revert expectedFailure on TestFSDPWithEP::test_e2e

test_gather_object* require exact world size (4) to succeed
Likely, all NVSHMEM Triton tests would fail. Skipping all for now.

.ci/docker/build.sh

@@ -113,7 +113,6 @@ case "$tag" in
     UCX_COMMIT=${_UCX_COMMIT}
     UCC_COMMIT=${_UCC_COMMIT}
     TRITON=yes
-    INSTALL_MINGW=yes
     ;;
   pytorch-linux-jammy-cuda13.0-cudnn9-py3-gcc11)
     CUDA_VERSION=13.0.0
@@ -362,7 +361,6 @@ docker build \
        --build-arg "OPENBLAS=${OPENBLAS:-}" \
        --build-arg "SKIP_SCCACHE_INSTALL=${SKIP_SCCACHE_INSTALL:-}" \
        --build-arg "SKIP_LLVM_SRC_BUILD_INSTALL=${SKIP_LLVM_SRC_BUILD_INSTALL:-}" \
-       --build-arg "INSTALL_MINGW=${INSTALL_MINGW:-}" \
        -f $(dirname ${DOCKERFILE})/Dockerfile \
        -t "$tmp_tag" \
        "$@" \

.ci/docker/common/install_cpython.sh

@@ -83,6 +83,10 @@ function build_cpython {
         py_suffix=${py_ver::-1}
         py_folder=$py_suffix
     fi
+    # Update to rc2 due to https://github.com/python/cpython/commit/c72699086fe4
+    if [ "$py_suffix" == "3.14.0" ]; then
+        py_suffix="3.14.0rc2"
+    fi
     wget -q $PYTHON_DOWNLOAD_URL/$py_folder/Python-$py_suffix.tgz -O Python-$py_ver.tgz
     do_cpython_build $py_ver Python-$py_suffix
 

.ci/docker/common/install_mingw.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-
-set -ex
-
-# Install MinGW-w64 for Windows cross-compilation
-apt-get update
-apt-get install -y g++-mingw-w64-x86-64-posix
-
-echo "MinGW-w64 installed successfully"
-x86_64-w64-mingw32-g++ --version

.ci/docker/common/install_onnx.sh

@@ -19,8 +19,8 @@ pip_install \
   transformers==4.36.2
 
 pip_install coloredlogs packaging
-pip_install onnxruntime==1.23.1
-pip_install onnxscript==0.5.4
+pip_install onnxruntime==1.23.0
+pip_install onnxscript==0.5.3
 
 # Cache the transformers model to be used later by ONNX tests. We need to run the transformers
 # package to download the model. By default, the model is cached at ~/.cache/huggingface/hub/

.ci/docker/libtorch/build.sh

@@ -39,13 +39,9 @@ case ${DOCKER_TAG_PREFIX} in
         DOCKER_GPU_BUILD_ARG=""
         ;;
     rocm*)
-        # we want the patch version of 7.0 instead
-        if [[ "$GPU_ARCH_VERSION" == *"7.0"* ]]; then
-            GPU_ARCH_VERSION="${GPU_ARCH_VERSION}.2"
-        fi
         # we want the patch version of 6.4 instead
         if [[ "$GPU_ARCH_VERSION" == *"6.4"* ]]; then
-            GPU_ARCH_VERSION="${GPU_ARCH_VERSION}.4"
+            GPU_ARCH_VERSION="${GPU_ARCH_VERSION}.2"
         fi
         BASE_TARGET=rocm
         GPU_IMAGE=rocm/dev-ubuntu-22.04:${GPU_ARCH_VERSION}-complete

.ci/docker/manywheel/build.sh

@@ -75,13 +75,9 @@ case ${image} in
         DOCKERFILE_SUFFIX="_cuda_aarch64"
         ;;
     manylinux2_28-builder:rocm*)
-        # we want the patch version of 7.0 instead
-        if [[ "$GPU_ARCH_VERSION" == *"7.0"* ]]; then
-            GPU_ARCH_VERSION="${GPU_ARCH_VERSION}.2"
-        fi
         # we want the patch version of 6.4 instead
         if [[ "$GPU_ARCH_VERSION" == *"6.4"* ]]; then
-            GPU_ARCH_VERSION="${GPU_ARCH_VERSION}.4"
+            GPU_ARCH_VERSION="${GPU_ARCH_VERSION}.2"
         fi
         TARGET=rocm_final
         MANY_LINUX_VERSION="2_28"

.ci/docker/requirements-ci.txt

@@ -334,12 +334,12 @@ sympy==1.13.3
 #Pinned versions:
 #test that import:
 
-onnx==1.19.1
+onnx==1.18.0
 #Description: Required by onnx tests, and mypy and test_public_bindings.py when checking torch.onnx._internal
 #Pinned versions:
 #test that import:
 
-onnxscript==0.5.4
+onnxscript==0.5.3
 #Description: Required by mypy and test_public_bindings.py when checking torch.onnx._internal
 #Pinned versions:
 #test that import:

.ci/docker/ubuntu/Dockerfile

@@ -103,11 +103,6 @@ COPY ci_commit_pins/torchbench.txt torchbench.txt
 RUN if [ -n "${INDUCTOR_BENCHMARKS}" ]; then bash ./install_inductor_benchmark_deps.sh; fi
 RUN rm install_inductor_benchmark_deps.sh common_utils.sh timm.txt huggingface-requirements.txt torchbench.txt
 
-ARG INSTALL_MINGW
-COPY ./common/install_mingw.sh install_mingw.sh
-RUN if [ -n "${INSTALL_MINGW}" ]; then bash ./install_mingw.sh; fi
-RUN rm install_mingw.sh
-
 ARG TRITON
 ARG TRITON_CPU
 

.ci/lumen_cli/cli/lib/common/git_helper.py

@@ -57,8 +57,8 @@ def clone_external_repo(target: str, repo: str, dst: str = "", update_submodules
         logger.info("Successfully cloned %s", target)
         return r, commit
 
-    except GitCommandError:
-        logger.exception("Git operation failed")
+    except GitCommandError as e:
+        logger.error("Git operation failed: %s", e)
         raise
 
 

.ci/lumen_cli/pyproject.toml

@@ -6,7 +6,7 @@ dependencies = [
     "GitPython==3.1.45",
     "docker==7.1.0",
     "pytest==7.3.2",
-    "uv==0.9.5"
+    "uv==0.8.6"
 ]
 
 [tool.setuptools]

.ci/pytorch/test.sh

@@ -485,22 +485,6 @@ test_inductor_aoti() {
   /usr/bin/env "${TEST_ENVS[@]}" python test/run_test.py --cpp --verbose -i cpp/test_aoti_abi_check cpp/test_aoti_inference cpp/test_vec_half_AVX2 -dist=loadfile
 }
 
-test_inductor_aoti_cross_compile_for_windows() {
-
-  TEST_REPORTS_DIR=$(pwd)/test/test-reports
-  mkdir -p "$TEST_REPORTS_DIR"
-
-  # Set WINDOWS_CUDA_HOME environment variable
-  WINDOWS_CUDA_HOME="$(pwd)/win-torch-wheel-extracted"
-  export WINDOWS_CUDA_HOME
-
-  echo "WINDOWS_CUDA_HOME is set to: $WINDOWS_CUDA_HOME"
-  echo "Contents:"
-  ls -lah "$(pwd)/win-torch-wheel-extracted/lib/x64/" || true
-
-  python test/inductor/test_aoti_cross_compile_windows.py -k compile --package-dir "$TEST_REPORTS_DIR" --win-torch-lib-dir "$(pwd)/win-torch-wheel-extracted/torch/lib"
-}
-
 test_inductor_cpp_wrapper_shard() {
   if [[ -z "$NUM_TEST_SHARDS" ]]; then
     echo "NUM_TEST_SHARDS must be defined to run a Python test shard"
@@ -916,7 +900,7 @@ test_inductor_set_cpu_affinity(){
   export LD_PRELOAD="$JEMALLOC_LIB":"$LD_PRELOAD"
   export MALLOC_CONF="oversize_threshold:1,background_thread:true,metadata_thp:auto,dirty_decay_ms:-1,muzzy_decay_ms:-1"
 
-  if [[ "$(uname -m)" != "aarch64" ]]; then
+  if [[ "${TEST_CONFIG}" != *aarch64* ]]; then
     # Use Intel OpenMP for x86
     IOMP_LIB="$(dirname "$(which python)")/../lib/libiomp5.so"
     export LD_PRELOAD="$IOMP_LIB":"$LD_PRELOAD"
@@ -930,7 +914,7 @@ test_inductor_set_cpu_affinity(){
   cores=$((cpus / thread_per_core))
 
   # Set number of cores to 16 on aarch64 for performance runs
-  if [[ "$(uname -m)" == "aarch64" && $cores -gt 16 ]]; then
+  if [[ "${TEST_CONFIG}" == *aarch64* && $cores -gt 16 ]]; then
     cores=16
   fi
   export OMP_NUM_THREADS=$cores
@@ -1631,7 +1615,6 @@ test_operator_benchmark() {
   TEST_REPORTS_DIR=$(pwd)/test/test-reports
   mkdir -p "$TEST_REPORTS_DIR"
   TEST_DIR=$(pwd)
-  ARCH=$(uname -m)
 
   test_inductor_set_cpu_affinity
 
@@ -1646,7 +1629,7 @@ test_operator_benchmark() {
   pip_install pandas
   python check_perf_csv.py \
       --actual "${TEST_REPORTS_DIR}/operator_benchmark_eager_float32_cpu.csv" \
-      --expected "${ARCH}_expected_ci_operator_benchmark_eager_float32_cpu.csv"
+      --expected "expected_ci_operator_benchmark_eager_float32_cpu.csv"
 }
 
 test_operator_microbenchmark() {
@@ -1683,7 +1666,7 @@ if [[ "${TEST_CONFIG}" == *numpy_2* ]]; then
     python -m pip install --pre numpy==2.0.2 scipy==1.13.1 numba==0.60.0
   fi
   python test/run_test.py --include dynamo/test_functions.py dynamo/test_unspec.py test_binary_ufuncs.py test_fake_tensor.py test_linalg.py test_numpy_interop.py test_tensor_creation_ops.py test_torch.py torch_np/test_basic.py
-elif [[ "${BUILD_ENVIRONMENT}" == *aarch64* && "${TEST_CONFIG}" == 'default' ]]; then
+elif [[ "${BUILD_ENVIRONMENT}" == *aarch64* && "${TEST_CONFIG}" != *perf_cpu_aarch64* ]]; then
   test_linux_aarch64
 elif [[ "${TEST_CONFIG}" == *backward* ]]; then
   test_forward_backward_compatibility
@@ -1734,8 +1717,6 @@ elif [[ "${TEST_CONFIG}" == *inductor-triton-cpu* ]]; then
   test_inductor_triton_cpu
 elif [[ "${TEST_CONFIG}" == *inductor-micro-benchmark* ]]; then
   test_inductor_micro_benchmark
-elif [[ "${TEST_CONFIG}" == *aoti_cross_compile_for_windows* ]]; then
-  test_inductor_aoti_cross_compile_for_windows
 elif [[ "${TEST_CONFIG}" == *huggingface* ]]; then
   install_torchvision
   id=$((SHARD_NUMBER-1))

.circleci/scripts/binary_populate_env.sh

@@ -163,13 +163,8 @@ if [[ "$(uname)" != Darwin ]]; then
   MEMORY_LIMIT_MAX_JOBS=12
   NUM_CPUS=$(( $(nproc) - 2 ))
 
-  if [[ "$(uname)" == Linux ]]; then
-    # Defaults here for **binary** linux builds so they can be changed in one place
-    export MAX_JOBS=${MAX_JOBS:-$(( ${NUM_CPUS} > ${MEMORY_LIMIT_MAX_JOBS} ? ${MEMORY_LIMIT_MAX_JOBS} : ${NUM_CPUS} ))}
-  else
-    # For other builds
-    export MAX_JOBS=${NUM_CPUS}
-  fi
+  # Defaults here for **binary** linux builds so they can be changed in one place
+  export MAX_JOBS=${MAX_JOBS:-$(( ${NUM_CPUS} > ${MEMORY_LIMIT_MAX_JOBS} ? ${MEMORY_LIMIT_MAX_JOBS} : ${NUM_CPUS} ))}
 
   cat >>"$envfile" <<EOL
   export MAX_JOBS="${MAX_JOBS}"

.flake8

@@ -7,12 +7,16 @@ max-line-length = 120
 # C408 ignored because we like the dict keyword argument syntax
 # E501 is not flexible enough, we're using B950 instead
 ignore =
-    E203,E305,E402,E501,E704,E741,F405,F841,F999,W503,W504,C408,E302,W291,E303,F824,
+    E203,E305,E402,E501,E704,E721,E741,F405,F841,F999,W503,W504,C408,E302,W291,E303,F824,
     # shebang has extra meaning in fbcode lints, so I think it's not worth trying
     # to line this up with executable bit
     EXE001,
     # these ignores are from flake8-bugbear; please fix!
     B007,B008,B017,B019,B023,B028,B903,B905,B906,B907,B908,B910
+    # these ignores are from flake8-comprehensions; please fix!
+    C407,
+    # these ignores are from flake8-logging-format; please fix!
+    G100,G101,G200
     # these ignores are from flake8-simplify. please fix or ignore with commented reason
     SIM105,SIM108,SIM110,SIM111,SIM113,SIM114,SIM115,SIM116,SIM117,SIM118,SIM119,SIM12,
     # SIM104 is already covered by pyupgrade ruff

.github/ci_commit_pins/audio.txt

@@ -1 +1 @@
-69bbe7363897764f9e758d851cd0340147d27f94
+1b013f5b5a87a1882eb143c26d79d091150d6a37

.github/ci_commit_pins/vision.txt

@@ -1 +1 @@
-1752fe6809b74921644866275ab80244b96e80bc
+faffd5cf673615583da6517275e361cb3dbc77e6

.github/labeler.yml

@@ -133,32 +133,3 @@
 
 "ciflow/vllm":
 - .github/ci_commit_pins/vllm.txt
-
-"ciflow/b200":
-- test/test_matmul_cuda.py
-- test/test_scaled_matmul_cuda.py
-- test/inductor/test_fp8.py
-- aten/src/ATen/native/cuda/Blas.cpp
-- torch/**/*cublas*
-- torch/_inductor/kernel/mm.py
-- test/inductor/test_max_autotune.py
-- third_party/fbgemm
-
-"ciflow/h100":
-- test/test_matmul_cuda.py
-- test/test_scaled_matmul_cuda.py
-- test/inductor/test_fp8.py
-- aten/src/ATen/native/cuda/Blas.cpp
-- torch/**/*cublas*
-- torch/_inductor/kernel/mm.py
-- test/inductor/test_max_autotune.py
-- third_party/fbgemm
-
-"ciflow/rocm":
-- test/test_matmul_cuda.py
-- test/test_scaled_matmul_cuda.py
-- test/inductor/test_fp8.py
-- aten/src/ATen/native/cuda/Blas.cpp
-- torch/_inductor/kernel/mm.py
-- test/inductor/test_max_autotune.py
-- third_party/fbgemm

.github/pytorch-probot.yml

@@ -33,7 +33,6 @@ ciflow_push_tags:
 - ciflow/rocm
 - ciflow/rocm-mi300
 - ciflow/rocm-mi355
-- ciflow/rocm-navi31
 - ciflow/s390
 - ciflow/slow
 - ciflow/torchbench

.github/scripts/generate_binary_build_matrix.py

@@ -79,21 +79,21 @@ PYTORCH_EXTRA_INSTALL_REQUIREMENTS = {
         "nvidia-cufile-cu12==1.13.1.3; platform_system == 'Linux'"
     ),
     "12.9": (
-        "nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | "
-        "nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | "
-        "nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | "
-        "nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | "
-        "nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | "
-        "nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | "
-        "nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | "
-        "nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | "
-        "nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | "
-        "nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | "
-        "nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | "
-        "nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | "
-        "nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | "
-        "nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | "
-        "nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'"
+        "nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | "
+        "nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'"
     ),
     "13.0": (
         "nvidia-cuda-nvrtc==13.0.48; platform_system == 'Linux' | "
@@ -241,11 +241,7 @@ def generate_libtorch_matrix(
             arches += CUDA_ARCHES
             arches += ROCM_ARCHES
         elif os == "windows":
-            # TODO (huydhn): Only build CUDA 12.9 for Linux. This logic is to be cleaned up
-            # in 2.10
-            windows_cuda_arches = CUDA_ARCHES.copy()
-            windows_cuda_arches.remove("12.9")
-            arches += windows_cuda_arches
+            arches += CUDA_ARCHES
     if libtorch_variants is None:
         libtorch_variants = [
             "shared-with-deps",
@@ -309,11 +305,7 @@ def generate_wheels_matrix(
         if os == "linux":
             arches += CUDA_ARCHES + ROCM_ARCHES + XPU_ARCHES
         elif os == "windows":
-            # TODO (huydhn): Only build CUDA 12.9 for Linux. This logic is to be cleaned up
-            # in 2.10
-            windows_cuda_arches = CUDA_ARCHES.copy()
-            windows_cuda_arches.remove("12.9")
-            arches += windows_cuda_arches + XPU_ARCHES
+            arches += CUDA_ARCHES + XPU_ARCHES
         elif os == "linux-aarch64":
             # Separate new if as the CPU type is different and
             # uses different build/test scripts

.github/scripts/trymerge.py

@@ -1092,7 +1092,7 @@ class GitHubPR:
         editor = node["editor"]
         return GitHubComment(
             body_text=node["bodyText"],
-            created_at=node.get("createdAt", ""),
+            created_at=node["createdAt"] if "createdAt" in node else "",
             author_login=node["author"]["login"],
             author_url=node["author"].get("url", None),
             author_association=node["authorAssociation"],

.github/templates/macos_binary_build_workflow.yml.j2

@@ -26,8 +26,9 @@ name: !{{ build_environment }}
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
-          python-version: "!{{ py_ver.strip('t') + ('.4' if '3.14' not in py_ver else '.0') }}"
+          python-version: "!{{ (py_ver.strip('t') + '.4') if '3.14' not in py_ver else '3.14.0-rc.2' }}"
           freethreaded: !{{ "true" if py_ver.endswith('t') else "false" }}
 {%- endmacro %}
 

.github/templates/windows_binary_build_workflow.yml.j2

@@ -79,9 +79,9 @@ jobs:
     runs-on: "windows-11-arm64-preview"
     {%- else %}
     {%- if branches == "nightly" %}
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     {%- else %}
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge.nonephemeral"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge.nonephemeral"
     {%- endif %}
     {%- endif %}
     timeout-minutes: !{{ common.timeout_minutes_windows_binary }}

.github/workflows/_linux-build.yml

@@ -37,7 +37,7 @@ on:
       runner:
         required: false
         type: string
-        default: "linux.c7i.2xlarge"
+        default: "linux.2xlarge"
         description: |
           Label of the runner this job should run on.
       test-matrix:

.github/workflows/_linux-test.yml

@@ -224,46 +224,6 @@ jobs:
         continue-on-error: true
         uses: ./.github/actions/download-td-artifacts
 
-      - name: Download Windows torch wheel for cross-compilation
-        if: matrix.win_torch_wheel_artifact != ''
-        uses: seemethere/download-artifact-s3@1da556a7aa0a088e3153970611f6c432d58e80e6 # v4.2.0
-        with:
-          name: ${{ matrix.win_torch_wheel_artifact }}
-          path: win-torch-wheel
-
-      - name: Extract Windows wheel and setup CUDA libraries
-        if: matrix.win_torch_wheel_artifact != ''
-        shell: bash
-        run: |
-          set -x
-
-          # Find the wheel file
-          WHEEL_FILE=$(find win-torch-wheel -name "*.whl" -type f | head -n 1)
-          if [ -z "$WHEEL_FILE" ]; then
-            echo "Error: No wheel file found in win-torch-wheel directory"
-            exit 1
-          fi
-          echo "Found wheel file: $WHEEL_FILE"
-
-          # Unzip the wheel file
-          unzip -q "$WHEEL_FILE" -d win-torch-wheel-extracted
-          echo "Extracted wheel contents"
-
-          # Setup CUDA libraries (cuda.lib and cudart.lib) directory
-          mkdir -p win-torch-wheel-extracted/lib/x64
-          if [ -f "win-torch-wheel/cuda.lib" ]; then
-            mv win-torch-wheel/cuda.lib win-torch-wheel-extracted/lib/x64/
-            echo "Moved cuda.lib to win-torch-wheel-extracted/lib/x64/"
-          fi
-          if [ -f "win-torch-wheel/cudart.lib" ]; then
-            mv win-torch-wheel/cudart.lib win-torch-wheel-extracted/lib/x64/
-            echo "Moved cudart.lib to win-torch-wheel-extracted/lib/x64/"
-          fi
-
-          # Verify CUDA libraries are present
-          echo "CUDA libraries:"
-          ls -la win-torch-wheel-extracted/lib/x64/ || echo "No CUDA libraries found"
-
       - name: Parse ref
         id: parse-ref
         run: .github/scripts/parse_ref.py

.github/workflows/_win-build.yml

@@ -168,31 +168,6 @@ jobs:
         run: |
           .ci/pytorch/win-build.sh
 
-      # Collect Windows torch libs and CUDA libs for cross-compilation
-      - name: Collect Windows CUDA libs for cross-compilation
-        if: steps.build.outcome != 'skipped' && inputs.cuda-version != 'cpu'
-        shell: bash
-        run: |
-          set -ex
-
-          # Create directory structure if does not exist
-          mkdir -p /c/${{ github.run_id }}/build-results
-
-          # Copy CUDA libs
-          CUDA_PATH="/c/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v${{ inputs.cuda-version }}"
-
-          if [ -f "${CUDA_PATH}/lib/x64/cuda.lib" ]; then
-            cp "${CUDA_PATH}/lib/x64/cuda.lib" /c/${{ github.run_id }}/build-results/
-          fi
-
-          if [ -f "${CUDA_PATH}/lib/x64/cudart.lib" ]; then
-            cp "${CUDA_PATH}/lib/x64/cudart.lib" /c/${{ github.run_id }}/build-results/
-          fi
-
-          # List collected files
-          echo "Collected CUDA libs:"
-          ls -lah /c/${{ github.run_id }}/build-results/*.lib
-
       # Upload to github so that people can click and download artifacts
       - name: Upload artifacts to s3
         if: steps.build.outcome != 'skipped'

.github/workflows/generated-linux-aarch64-binary-manywheel-nightly.yml

@@ -224,7 +224,7 @@ jobs:
       ALPINE_IMAGE: "arm64v8/alpine"
       build_name: manywheel-py3_10-cuda-aarch64-12_9
       build_environment: linux-aarch64-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
       timeout-minutes: 420
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -473,7 +473,7 @@ jobs:
       ALPINE_IMAGE: "arm64v8/alpine"
       build_name: manywheel-py3_11-cuda-aarch64-12_9
       build_environment: linux-aarch64-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
       timeout-minutes: 420
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -722,7 +722,7 @@ jobs:
       ALPINE_IMAGE: "arm64v8/alpine"
       build_name: manywheel-py3_12-cuda-aarch64-12_9
       build_environment: linux-aarch64-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
       timeout-minutes: 420
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -971,7 +971,7 @@ jobs:
       ALPINE_IMAGE: "arm64v8/alpine"
       build_name: manywheel-py3_13-cuda-aarch64-12_9
       build_environment: linux-aarch64-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
       timeout-minutes: 420
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -1220,7 +1220,7 @@ jobs:
       ALPINE_IMAGE: "arm64v8/alpine"
       build_name: manywheel-py3_13t-cuda-aarch64-12_9
       build_environment: linux-aarch64-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
       timeout-minutes: 420
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -1469,7 +1469,7 @@ jobs:
       ALPINE_IMAGE: "arm64v8/alpine"
       build_name: manywheel-py3_14-cuda-aarch64-12_9
       build_environment: linux-aarch64-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
       timeout-minutes: 420
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
@@ -1718,7 +1718,7 @@ jobs:
       ALPINE_IMAGE: "arm64v8/alpine"
       build_name: manywheel-py3_14t-cuda-aarch64-12_9
       build_environment: linux-aarch64-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
       timeout-minutes: 420
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/generated-linux-binary-manywheel-nightly.yml

@@ -259,7 +259,7 @@ jobs:
       runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
       build_name: manywheel-py3_10-cuda12_9
       build_environment: linux-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
   manywheel-py3_10-cuda12_9-test:  # Testing
@@ -925,7 +925,7 @@ jobs:
       runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
       build_name: manywheel-py3_11-cuda12_9
       build_environment: linux-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
   manywheel-py3_11-cuda12_9-test:  # Testing
@@ -1591,7 +1591,7 @@ jobs:
       runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
       build_name: manywheel-py3_12-cuda12_9
       build_environment: linux-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
   manywheel-py3_12-cuda12_9-test:  # Testing
@@ -2257,7 +2257,7 @@ jobs:
       runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
       build_name: manywheel-py3_13-cuda12_9
       build_environment: linux-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
   manywheel-py3_13-cuda12_9-test:  # Testing
@@ -2923,7 +2923,7 @@ jobs:
       runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
       build_name: manywheel-py3_13t-cuda12_9
       build_environment: linux-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
   manywheel-py3_13t-cuda12_9-test:  # Testing
@@ -3589,7 +3589,7 @@ jobs:
       runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
       build_name: manywheel-py3_14-cuda12_9
       build_environment: linux-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
   manywheel-py3_14-cuda12_9-test:  # Testing
@@ -4255,7 +4255,7 @@ jobs:
       runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
       build_name: manywheel-py3_14t-cuda12_9
       build_environment: linux-binary-manywheel
-      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux'
+      PYTORCH_EXTRA_INSTALL_REQUIREMENTS: nvidia-cuda-nvrtc-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-runtime-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cuda-cupti-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cudnn-cu12==9.10.2.21; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cublas-cu12==12.9.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufft-cu12==11.4.1.4; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-curand-cu12==10.3.10.19; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusolver-cu12==11.7.5.82; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparse-cu12==12.5.10.65; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cusparselt-cu12==0.7.1; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nccl-cu12==2.27.5; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvshmem-cu12==3.3.20; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvtx-cu12==12.9.79; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-nvjitlink-cu12==12.9.86; platform_system == 'Linux' and platform_machine == 'x86_64' | nvidia-cufile-cu12==1.14.1.1; platform_system == 'Linux' and platform_machine == 'x86_64'
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
   manywheel-py3_14t-cuda12_9-test:  # Testing

.github/workflows/generated-macos-arm64-binary-libtorch-release-nightly.yml

@@ -63,6 +63,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
           python-version: "3.10.4"
           freethreaded: false

.github/workflows/generated-macos-arm64-binary-wheel-nightly.yml

@@ -59,6 +59,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
           python-version: "3.10.4"
           freethreaded: false
@@ -168,6 +169,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
           python-version: "3.11.4"
           freethreaded: false
@@ -277,6 +279,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
           python-version: "3.12.4"
           freethreaded: false
@@ -386,6 +389,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
           python-version: "3.13.4"
           freethreaded: false
@@ -495,6 +499,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
           python-version: "3.13.4"
           freethreaded: true
@@ -604,8 +609,9 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
-          python-version: "3.14.0"
+          python-version: "3.14.0-rc.2"
           freethreaded: false
       - name: Checkout PyTorch
         uses: actions/checkout@v4
@@ -713,8 +719,9 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v6
         with:
+          # TODO: Removeme once 3.14 is out
           # .4 version is min minor for 3.10, and also no-gil version of 3.13 needs at least 3.13.3
-          python-version: "3.14.0"
+          python-version: "3.14.0-rc.2"
           freethreaded: true
       - name: Checkout PyTorch
         uses: actions/checkout@v4

.github/workflows/generated-windows-binary-libtorch-debug-nightly.yml

@@ -44,7 +44,7 @@ jobs:
   libtorch-cpu-shared-with-deps-debug-build:
     if: ${{ github.repository_owner == 'pytorch' }}
     needs: get-label-type
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     timeout-minutes: 360
     env:
       PYTORCH_ROOT: ${{ github.workspace }}/pytorch
@@ -291,7 +291,7 @@ jobs:
   libtorch-cuda12_6-shared-with-deps-debug-build:
     if: ${{ github.repository_owner == 'pytorch' }}
     needs: get-label-type
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     timeout-minutes: 360
     env:
       PYTORCH_ROOT: ${{ github.workspace }}/pytorch
@@ -541,7 +541,7 @@ jobs:
   libtorch-cuda12_8-shared-with-deps-debug-build:
     if: ${{ github.repository_owner == 'pytorch' }}
     needs: get-label-type
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     timeout-minutes: 360
     env:
       PYTORCH_ROOT: ${{ github.workspace }}/pytorch
@@ -788,10 +788,260 @@ jobs:
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
     uses: ./.github/workflows/_binary-upload.yml
+  libtorch-cuda12_9-shared-with-deps-debug-build:
+    if: ${{ github.repository_owner == 'pytorch' }}
+    needs: get-label-type
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
+    timeout-minutes: 360
+    env:
+      PYTORCH_ROOT: ${{ github.workspace }}/pytorch
+      PACKAGE_TYPE: libtorch
+      # TODO: This is a legacy variable that we eventually want to get rid of in
+      #       favor of GPU_ARCH_VERSION
+      DESIRED_CUDA: cu129
+      GPU_ARCH_VERSION: "12.9"
+      GPU_ARCH_TYPE: cuda
+      SKIP_ALL_TESTS: 1
+      LIBTORCH_CONFIG: debug
+      LIBTORCH_VARIANT: shared-with-deps
+      # This is a dummy value for libtorch to work correctly with our batch scripts
+      # without this value pip does not get installed for some reason
+      DESIRED_PYTHON: "3.10"
+    steps:
+      # NOTE: These environment variables are put here so that they can be applied on every job equally
+      #       They are also here because setting them at a workflow level doesn't give us access to the
+      #       runner.temp variable, which we need.
+      - name: Populate binary env
+        shell: bash
+        run: |
+          echo "BINARY_ENV_FILE=${RUNNER_TEMP}/env" >> "${GITHUB_ENV}"
+          echo "PYTORCH_FINAL_PACKAGE_DIR=${RUNNER_TEMP}/artifacts" >> "${GITHUB_ENV}"
+          echo "WIN_PACKAGE_WORK_DIR=${RUNNER_TEMP}"
+      - name: Display EC2 information
+        shell: bash
+        run: |
+          set -euo pipefail
+          function get_ec2_metadata() {
+            # Pulled from instance metadata endpoint for EC2
+            # see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html
+            category=$1
+            curl -H "X-aws-ec2-metadata-token: $(curl -s -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 30")" -fsSL "http://169.254.169.254/latest/meta-data/${category}"
+          }
+          echo "ami-id: $(get_ec2_metadata ami-id)"
+          echo "instance-id: $(get_ec2_metadata instance-id)"
+          echo "instance-type: $(get_ec2_metadata instance-type)"
+          echo "system info $(uname -a)"
+      - name: "[FB EMPLOYEES] Enable SSH (Click me for login details)"
+        uses: pytorch/test-infra/.github/actions/setup-ssh@main
+        continue-on-error: true
+        with:
+          github-secret: ${{ secrets.GITHUB_TOKEN }}
+      - name: Enable git long paths and symlinks on Windows and disable fsmonitor daemon
+        shell: bash
+        run: |
+          git config --global core.longpaths true
+          git config --global core.symlinks true
+
+          # https://git-scm.com/docs/git-fsmonitor--daemon.  The daemon could lock
+          # the directory on Windows and prevent GHA from checking out as reported
+          # in https://github.com/actions/checkout/issues/1018
+          git config --global core.fsmonitor false
+      # Needed for binary builds, see: https://github.com/pytorch/pytorch/issues/73339#issuecomment-1058981560
+      - name: Enable long paths on Windows
+        shell: powershell
+        run: |
+          Set-ItemProperty -Path "HKLM:\\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled" -Value 1
+      # Since it's just a defensive command, the workflow should continue even the command fails. This step can be
+      # removed once Windows Defender is removed from the AMI
+      - name: Disables Windows Defender scheduled and real-time scanning for files in directories used by PyTorch
+        continue-on-error: true
+        shell: powershell
+        run: |
+          Add-MpPreference -ExclusionPath $(Get-Location).tostring(),$Env:TEMP -ErrorAction Ignore
+          # Let's both exclude the path and disable Windows Defender completely just to be sure
+          # that it doesn't interfere
+          Set-MpPreference -DisableRealtimeMonitoring $True -ErrorAction Ignore
+      - name: Checkout PyTorch
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          submodules: recursive
+          path: pytorch
+          show-progress: false
+      - name: Clean PyTorch checkout
+        run: |
+          # Remove any artifacts from the previous checkouts
+          git clean -fxd
+        working-directory: pytorch
+      - name: Populate binary env
+        shell: bash
+        run: |
+          "${PYTORCH_ROOT}/.circleci/scripts/binary_populate_env.sh"
+      - name: Build PyTorch binary
+        shell: bash
+        run: |
+          "${PYTORCH_ROOT}/.circleci/scripts/binary_windows_build.sh"
+      - uses: actions/upload-artifact@v4.4.0
+        if: always()
+        with:
+          name: libtorch-cuda12_9-shared-with-deps-debug
+          retention-days: 14
+          if-no-files-found: error
+          path: "${{ env.PYTORCH_FINAL_PACKAGE_DIR }}"
+      - name: Wait until all sessions have drained
+        shell: powershell
+        working-directory: pytorch
+        if: always()
+        timeout-minutes: 120
+        run: |
+          .github\scripts\wait_for_ssh_to_drain.ps1
+      - name: Kill active ssh sessions if still around (Useful if workflow was cancelled)
+        shell: powershell
+        working-directory: pytorch
+        if: always()
+        run: |
+          .github\scripts\kill_active_ssh_sessions.ps1
+
+  libtorch-cuda12_9-shared-with-deps-debug-test:  # Testing
+    if: ${{ github.repository_owner == 'pytorch' }}
+    needs:
+      - libtorch-cuda12_9-shared-with-deps-debug-build
+      - get-label-type
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.g4dn.xlarge"
+    timeout-minutes: 360
+    env:
+      PYTORCH_ROOT: ${{ github.workspace }}/pytorch
+      PACKAGE_TYPE: libtorch
+      # TODO: This is a legacy variable that we eventually want to get rid of in
+      #       favor of GPU_ARCH_VERSION
+      DESIRED_CUDA: cu129
+      GPU_ARCH_VERSION: "12.9"
+      GPU_ARCH_TYPE: cuda
+      SKIP_ALL_TESTS: 1
+      LIBTORCH_CONFIG: debug
+      LIBTORCH_VARIANT: shared-with-deps
+      # This is a dummy value for libtorch to work correctly with our batch scripts
+      # without this value pip does not get installed for some reason
+      DESIRED_PYTHON: "3.10"
+    steps:
+      - name: Display EC2 information
+        shell: bash
+        run: |
+          set -euo pipefail
+          function get_ec2_metadata() {
+            # Pulled from instance metadata endpoint for EC2
+            # see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html
+            category=$1
+            curl -H "X-aws-ec2-metadata-token: $(curl -s -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 30")" -fsSL "http://169.254.169.254/latest/meta-data/${category}"
+          }
+          echo "ami-id: $(get_ec2_metadata ami-id)"
+          echo "instance-id: $(get_ec2_metadata instance-id)"
+          echo "instance-type: $(get_ec2_metadata instance-type)"
+          echo "system info $(uname -a)"
+      - name: "[FB EMPLOYEES] Enable SSH (Click me for login details)"
+        uses: pytorch/test-infra/.github/actions/setup-ssh@main
+        continue-on-error: true
+        with:
+          github-secret: ${{ secrets.GITHUB_TOKEN }}
+      - name: Enable git long paths and symlinks on Windows and disable fsmonitor daemon
+        shell: bash
+        run: |
+          git config --global core.longpaths true
+          git config --global core.symlinks true
+
+          # https://git-scm.com/docs/git-fsmonitor--daemon.  The daemon could lock
+          # the directory on Windows and prevent GHA from checking out as reported
+          # in https://github.com/actions/checkout/issues/1018
+          git config --global core.fsmonitor false
+      # Needed for binary builds, see: https://github.com/pytorch/pytorch/issues/73339#issuecomment-1058981560
+      - name: Enable long paths on Windows
+        shell: powershell
+        run: |
+          Set-ItemProperty -Path "HKLM:\\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled" -Value 1
+      # Since it's just a defensive command, the workflow should continue even the command fails. This step can be
+      # removed once Windows Defender is removed from the AMI
+      - name: Disables Windows Defender scheduled and real-time scanning for files in directories used by PyTorch
+        continue-on-error: true
+        shell: powershell
+        run: |
+          Add-MpPreference -ExclusionPath $(Get-Location).tostring(),$Env:TEMP -ErrorAction Ignore
+          # Let's both exclude the path and disable Windows Defender completely just to be sure
+          # that it doesn't interfere
+          Set-MpPreference -DisableRealtimeMonitoring $True -ErrorAction Ignore
+      - name: Checkout PyTorch
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          submodules: recursive
+          path: pytorch
+          show-progress: false
+      - name: Clean PyTorch checkout
+        run: |
+          # Remove any artifacts from the previous checkouts
+          git clean -fxd
+        working-directory: pytorch
+      # NOTE: These environment variables are put here so that they can be applied on every job equally
+      #       They are also here because setting them at a workflow level doesn't give us access to the
+      #       runner.temp variable, which we need.
+      - name: Populate binary env
+        shell: bash
+        run: |
+          echo "BINARY_ENV_FILE=${RUNNER_TEMP}/env" >> "${GITHUB_ENV}"
+          echo "PYTORCH_FINAL_PACKAGE_DIR=${RUNNER_TEMP}/artifacts" >> "${GITHUB_ENV}"
+          echo "WIN_PACKAGE_WORK_DIR=${RUNNER_TEMP}"
+      - uses: actions/download-artifact@v4.1.7
+        name: Download Build Artifacts
+        with:
+          name: libtorch-cuda12_9-shared-with-deps-debug
+          path: "${{ env.PYTORCH_FINAL_PACKAGE_DIR }}"
+      - name: Populate binary env
+        shell: bash
+        run: |
+          "${PYTORCH_ROOT}/.circleci/scripts/binary_populate_env.sh"
+      - name: Test PyTorch binary
+        shell: bash
+        run: |
+          "${PYTORCH_ROOT}/.circleci/scripts/binary_windows_test.sh"
+      - name: Wait until all sessions have drained
+        shell: powershell
+        working-directory: pytorch
+        if: always()
+        timeout-minutes: 120
+        run: |
+          .github\scripts\wait_for_ssh_to_drain.ps1
+      - name: Kill active ssh sessions if still around (Useful if workflow was cancelled)
+        shell: powershell
+        working-directory: pytorch
+        if: always()
+        run: |
+          .github\scripts\kill_active_ssh_sessions.ps1
+  libtorch-cuda12_9-shared-with-deps-debug-upload:  # Uploading
+    if: ${{ github.repository_owner == 'pytorch' }}
+    permissions:
+      id-token: write
+      contents: read
+    needs: libtorch-cuda12_9-shared-with-deps-debug-test
+    with:
+      PYTORCH_ROOT: ${{ github.workspace }}/pytorch
+      PACKAGE_TYPE: libtorch
+      # TODO: This is a legacy variable that we eventually want to get rid of in
+      #       favor of GPU_ARCH_VERSION
+      DESIRED_CUDA: cu129
+      GPU_ARCH_VERSION: "12.9"
+      GPU_ARCH_TYPE: cuda
+      LIBTORCH_CONFIG: debug
+      LIBTORCH_VARIANT: shared-with-deps
+      # This is a dummy value for libtorch to work correctly with our batch scripts
+      # without this value pip does not get installed for some reason
+      DESIRED_PYTHON: "3.10"
+      build_name: libtorch-cuda12_9-shared-with-deps-debug
+    secrets:
+      github-token: ${{ secrets.GITHUB_TOKEN }}
+    uses: ./.github/workflows/_binary-upload.yml
   libtorch-cuda13_0-shared-with-deps-debug-build:
     if: ${{ github.repository_owner == 'pytorch' }}
     needs: get-label-type
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     timeout-minutes: 360
     env:
       PYTORCH_ROOT: ${{ github.workspace }}/pytorch

.github/workflows/generated-windows-binary-libtorch-release-nightly.yml

@@ -44,7 +44,7 @@ jobs:
   libtorch-cpu-shared-with-deps-release-build:
     if: ${{ github.repository_owner == 'pytorch' }}
     needs: get-label-type
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     timeout-minutes: 360
     env:
       PYTORCH_ROOT: ${{ github.workspace }}/pytorch
@@ -291,7 +291,7 @@ jobs:
   libtorch-cuda12_6-shared-with-deps-release-build:
     if: ${{ github.repository_owner == 'pytorch' }}
     needs: get-label-type
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     timeout-minutes: 360
     env:
       PYTORCH_ROOT: ${{ github.workspace }}/pytorch
@@ -541,7 +541,7 @@ jobs:
   libtorch-cuda12_8-shared-with-deps-release-build:
     if: ${{ github.repository_owner == 'pytorch' }}
     needs: get-label-type
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     timeout-minutes: 360
     env:
       PYTORCH_ROOT: ${{ github.workspace }}/pytorch
@@ -788,10 +788,260 @@ jobs:
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
     uses: ./.github/workflows/_binary-upload.yml
+  libtorch-cuda12_9-shared-with-deps-release-build:
+    if: ${{ github.repository_owner == 'pytorch' }}
+    needs: get-label-type
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
+    timeout-minutes: 360
+    env:
+      PYTORCH_ROOT: ${{ github.workspace }}/pytorch
+      PACKAGE_TYPE: libtorch
+      # TODO: This is a legacy variable that we eventually want to get rid of in
+      #       favor of GPU_ARCH_VERSION
+      DESIRED_CUDA: cu129
+      GPU_ARCH_VERSION: "12.9"
+      GPU_ARCH_TYPE: cuda
+      SKIP_ALL_TESTS: 1
+      LIBTORCH_CONFIG: release
+      LIBTORCH_VARIANT: shared-with-deps
+      # This is a dummy value for libtorch to work correctly with our batch scripts
+      # without this value pip does not get installed for some reason
+      DESIRED_PYTHON: "3.10"
+    steps:
+      # NOTE: These environment variables are put here so that they can be applied on every job equally
+      #       They are also here because setting them at a workflow level doesn't give us access to the
+      #       runner.temp variable, which we need.
+      - name: Populate binary env
+        shell: bash
+        run: |
+          echo "BINARY_ENV_FILE=${RUNNER_TEMP}/env" >> "${GITHUB_ENV}"
+          echo "PYTORCH_FINAL_PACKAGE_DIR=${RUNNER_TEMP}/artifacts" >> "${GITHUB_ENV}"
+          echo "WIN_PACKAGE_WORK_DIR=${RUNNER_TEMP}"
+      - name: Display EC2 information
+        shell: bash
+        run: |
+          set -euo pipefail
+          function get_ec2_metadata() {
+            # Pulled from instance metadata endpoint for EC2
+            # see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html
+            category=$1
+            curl -H "X-aws-ec2-metadata-token: $(curl -s -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 30")" -fsSL "http://169.254.169.254/latest/meta-data/${category}"
+          }
+          echo "ami-id: $(get_ec2_metadata ami-id)"
+          echo "instance-id: $(get_ec2_metadata instance-id)"
+          echo "instance-type: $(get_ec2_metadata instance-type)"
+          echo "system info $(uname -a)"
+      - name: "[FB EMPLOYEES] Enable SSH (Click me for login details)"
+        uses: pytorch/test-infra/.github/actions/setup-ssh@main
+        continue-on-error: true
+        with:
+          github-secret: ${{ secrets.GITHUB_TOKEN }}
+      - name: Enable git long paths and symlinks on Windows and disable fsmonitor daemon
+        shell: bash
+        run: |
+          git config --global core.longpaths true
+          git config --global core.symlinks true
+
+          # https://git-scm.com/docs/git-fsmonitor--daemon.  The daemon could lock
+          # the directory on Windows and prevent GHA from checking out as reported
+          # in https://github.com/actions/checkout/issues/1018
+          git config --global core.fsmonitor false
+      # Needed for binary builds, see: https://github.com/pytorch/pytorch/issues/73339#issuecomment-1058981560
+      - name: Enable long paths on Windows
+        shell: powershell
+        run: |
+          Set-ItemProperty -Path "HKLM:\\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled" -Value 1
+      # Since it's just a defensive command, the workflow should continue even the command fails. This step can be
+      # removed once Windows Defender is removed from the AMI
+      - name: Disables Windows Defender scheduled and real-time scanning for files in directories used by PyTorch
+        continue-on-error: true
+        shell: powershell
+        run: |
+          Add-MpPreference -ExclusionPath $(Get-Location).tostring(),$Env:TEMP -ErrorAction Ignore
+          # Let's both exclude the path and disable Windows Defender completely just to be sure
+          # that it doesn't interfere
+          Set-MpPreference -DisableRealtimeMonitoring $True -ErrorAction Ignore
+      - name: Checkout PyTorch
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          submodules: recursive
+          path: pytorch
+          show-progress: false
+      - name: Clean PyTorch checkout
+        run: |
+          # Remove any artifacts from the previous checkouts
+          git clean -fxd
+        working-directory: pytorch
+      - name: Populate binary env
+        shell: bash
+        run: |
+          "${PYTORCH_ROOT}/.circleci/scripts/binary_populate_env.sh"
+      - name: Build PyTorch binary
+        shell: bash
+        run: |
+          "${PYTORCH_ROOT}/.circleci/scripts/binary_windows_build.sh"
+      - uses: actions/upload-artifact@v4.4.0
+        if: always()
+        with:
+          name: libtorch-cuda12_9-shared-with-deps-release
+          retention-days: 14
+          if-no-files-found: error
+          path: "${{ env.PYTORCH_FINAL_PACKAGE_DIR }}"
+      - name: Wait until all sessions have drained
+        shell: powershell
+        working-directory: pytorch
+        if: always()
+        timeout-minutes: 120
+        run: |
+          .github\scripts\wait_for_ssh_to_drain.ps1
+      - name: Kill active ssh sessions if still around (Useful if workflow was cancelled)
+        shell: powershell
+        working-directory: pytorch
+        if: always()
+        run: |
+          .github\scripts\kill_active_ssh_sessions.ps1
+
+  libtorch-cuda12_9-shared-with-deps-release-test:  # Testing
+    if: ${{ github.repository_owner == 'pytorch' }}
+    needs:
+      - libtorch-cuda12_9-shared-with-deps-release-build
+      - get-label-type
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.g4dn.xlarge"
+    timeout-minutes: 360
+    env:
+      PYTORCH_ROOT: ${{ github.workspace }}/pytorch
+      PACKAGE_TYPE: libtorch
+      # TODO: This is a legacy variable that we eventually want to get rid of in
+      #       favor of GPU_ARCH_VERSION
+      DESIRED_CUDA: cu129
+      GPU_ARCH_VERSION: "12.9"
+      GPU_ARCH_TYPE: cuda
+      SKIP_ALL_TESTS: 1
+      LIBTORCH_CONFIG: release
+      LIBTORCH_VARIANT: shared-with-deps
+      # This is a dummy value for libtorch to work correctly with our batch scripts
+      # without this value pip does not get installed for some reason
+      DESIRED_PYTHON: "3.10"
+    steps:
+      - name: Display EC2 information
+        shell: bash
+        run: |
+          set -euo pipefail
+          function get_ec2_metadata() {
+            # Pulled from instance metadata endpoint for EC2
+            # see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/instancedata-data-retrieval.html
+            category=$1
+            curl -H "X-aws-ec2-metadata-token: $(curl -s -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: 30")" -fsSL "http://169.254.169.254/latest/meta-data/${category}"
+          }
+          echo "ami-id: $(get_ec2_metadata ami-id)"
+          echo "instance-id: $(get_ec2_metadata instance-id)"
+          echo "instance-type: $(get_ec2_metadata instance-type)"
+          echo "system info $(uname -a)"
+      - name: "[FB EMPLOYEES] Enable SSH (Click me for login details)"
+        uses: pytorch/test-infra/.github/actions/setup-ssh@main
+        continue-on-error: true
+        with:
+          github-secret: ${{ secrets.GITHUB_TOKEN }}
+      - name: Enable git long paths and symlinks on Windows and disable fsmonitor daemon
+        shell: bash
+        run: |
+          git config --global core.longpaths true
+          git config --global core.symlinks true
+
+          # https://git-scm.com/docs/git-fsmonitor--daemon.  The daemon could lock
+          # the directory on Windows and prevent GHA from checking out as reported
+          # in https://github.com/actions/checkout/issues/1018
+          git config --global core.fsmonitor false
+      # Needed for binary builds, see: https://github.com/pytorch/pytorch/issues/73339#issuecomment-1058981560
+      - name: Enable long paths on Windows
+        shell: powershell
+        run: |
+          Set-ItemProperty -Path "HKLM:\\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled" -Value 1
+      # Since it's just a defensive command, the workflow should continue even the command fails. This step can be
+      # removed once Windows Defender is removed from the AMI
+      - name: Disables Windows Defender scheduled and real-time scanning for files in directories used by PyTorch
+        continue-on-error: true
+        shell: powershell
+        run: |
+          Add-MpPreference -ExclusionPath $(Get-Location).tostring(),$Env:TEMP -ErrorAction Ignore
+          # Let's both exclude the path and disable Windows Defender completely just to be sure
+          # that it doesn't interfere
+          Set-MpPreference -DisableRealtimeMonitoring $True -ErrorAction Ignore
+      - name: Checkout PyTorch
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          submodules: recursive
+          path: pytorch
+          show-progress: false
+      - name: Clean PyTorch checkout
+        run: |
+          # Remove any artifacts from the previous checkouts
+          git clean -fxd
+        working-directory: pytorch
+      # NOTE: These environment variables are put here so that they can be applied on every job equally
+      #       They are also here because setting them at a workflow level doesn't give us access to the
+      #       runner.temp variable, which we need.
+      - name: Populate binary env
+        shell: bash
+        run: |
+          echo "BINARY_ENV_FILE=${RUNNER_TEMP}/env" >> "${GITHUB_ENV}"
+          echo "PYTORCH_FINAL_PACKAGE_DIR=${RUNNER_TEMP}/artifacts" >> "${GITHUB_ENV}"
+          echo "WIN_PACKAGE_WORK_DIR=${RUNNER_TEMP}"
+      - uses: actions/download-artifact@v4.1.7
+        name: Download Build Artifacts
+        with:
+          name: libtorch-cuda12_9-shared-with-deps-release
+          path: "${{ env.PYTORCH_FINAL_PACKAGE_DIR }}"
+      - name: Populate binary env
+        shell: bash
+        run: |
+          "${PYTORCH_ROOT}/.circleci/scripts/binary_populate_env.sh"
+      - name: Test PyTorch binary
+        shell: bash
+        run: |
+          "${PYTORCH_ROOT}/.circleci/scripts/binary_windows_test.sh"
+      - name: Wait until all sessions have drained
+        shell: powershell
+        working-directory: pytorch
+        if: always()
+        timeout-minutes: 120
+        run: |
+          .github\scripts\wait_for_ssh_to_drain.ps1
+      - name: Kill active ssh sessions if still around (Useful if workflow was cancelled)
+        shell: powershell
+        working-directory: pytorch
+        if: always()
+        run: |
+          .github\scripts\kill_active_ssh_sessions.ps1
+  libtorch-cuda12_9-shared-with-deps-release-upload:  # Uploading
+    if: ${{ github.repository_owner == 'pytorch' }}
+    permissions:
+      id-token: write
+      contents: read
+    needs: libtorch-cuda12_9-shared-with-deps-release-test
+    with:
+      PYTORCH_ROOT: ${{ github.workspace }}/pytorch
+      PACKAGE_TYPE: libtorch
+      # TODO: This is a legacy variable that we eventually want to get rid of in
+      #       favor of GPU_ARCH_VERSION
+      DESIRED_CUDA: cu129
+      GPU_ARCH_VERSION: "12.9"
+      GPU_ARCH_TYPE: cuda
+      LIBTORCH_CONFIG: release
+      LIBTORCH_VARIANT: shared-with-deps
+      # This is a dummy value for libtorch to work correctly with our batch scripts
+      # without this value pip does not get installed for some reason
+      DESIRED_PYTHON: "3.10"
+      build_name: libtorch-cuda12_9-shared-with-deps-release
+    secrets:
+      github-token: ${{ secrets.GITHUB_TOKEN }}
+    uses: ./.github/workflows/_binary-upload.yml
   libtorch-cuda13_0-shared-with-deps-release-build:
     if: ${{ github.repository_owner == 'pytorch' }}
     needs: get-label-type
-    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.12xlarge"
+    runs-on: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge"
     timeout-minutes: 360
     env:
       PYTORCH_ROOT: ${{ github.workspace }}/pytorch

.github/workflows/inductor-perf-test-nightly-rocm-mi355.yml

@@ -88,27 +88,27 @@ jobs:
       docker-image-name: ci-image:pytorch-linux-jammy-rocm-n-py3-benchmarks
       test-matrix: |
         { include: [
-          { config: "inductor_huggingface_perf_rocm_mi355", shard: 1, num_shards: 5, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_huggingface_perf_rocm_mi355", shard: 2, num_shards: 5, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_huggingface_perf_rocm_mi355", shard: 3, num_shards: 5, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_huggingface_perf_rocm_mi355", shard: 4, num_shards: 5, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_huggingface_perf_rocm_mi355", shard: 5, num_shards: 5, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_timm_perf_rocm_mi355", shard: 1, num_shards: 7, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_timm_perf_rocm_mi355", shard: 2, num_shards: 7, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_timm_perf_rocm_mi355", shard: 3, num_shards: 7, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_timm_perf_rocm_mi355", shard: 4, num_shards: 7, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_timm_perf_rocm_mi355", shard: 5, num_shards: 7, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_timm_perf_rocm_mi355", shard: 6, num_shards: 7, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_timm_perf_rocm_mi355", shard: 7, num_shards: 7, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 1, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 2, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 3, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 4, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 5, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 6, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 7, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 8, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "inductor_torchbench_perf_rocm_mi355", shard: 9, num_shards: 9, runner: "linux.rocm.gpu.mi355.1" },
+          { config: "inductor_huggingface_perf_rocm_mi355", shard: 1, num_shards: 5, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_huggingface_perf_rocm_mi355", shard: 2, num_shards: 5, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_huggingface_perf_rocm_mi355", shard: 3, num_shards: 5, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_huggingface_perf_rocm_mi355", shard: 4, num_shards: 5, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_huggingface_perf_rocm_mi355", shard: 5, num_shards: 5, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_timm_perf_rocm_mi355", shard: 1, num_shards: 7, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_timm_perf_rocm_mi355", shard: 2, num_shards: 7, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_timm_perf_rocm_mi355", shard: 3, num_shards: 7, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_timm_perf_rocm_mi355", shard: 4, num_shards: 7, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_timm_perf_rocm_mi355", shard: 5, num_shards: 7, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_timm_perf_rocm_mi355", shard: 6, num_shards: 7, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_timm_perf_rocm_mi355", shard: 7, num_shards: 7, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 1, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 2, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 3, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 4, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 5, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 6, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 7, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 8, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "inductor_torchbench_perf_rocm_mi355", shard: 9, num_shards: 9, runner: "linux.rocm.gpu.mi355.2" },
         ]}
     secrets: inherit
 

.github/workflows/lint.yml

@@ -118,9 +118,9 @@ jobs:
         CHANGED_FILES="${{ needs.get-changed-files.outputs.changed-files }}"
         echo "Running all other linters"
         if [ "$CHANGED_FILES" = '*' ]; then
-          ADDITIONAL_LINTRUNNER_ARGS="--skip CLANGTIDY,CLANGFORMAT,MYPY,MYPYSTRICT,PYREFLY --all-files" .github/scripts/lintrunner.sh
+          ADDITIONAL_LINTRUNNER_ARGS="--skip CLANGTIDY,CLANGFORMAT,MYPY,MYPYSTRICT --all-files" .github/scripts/lintrunner.sh
         else
-          ADDITIONAL_LINTRUNNER_ARGS="--skip CLANGTIDY,CLANGFORMAT,MYPY,MYPYSTRICT,PYREFLY ${CHANGED_FILES}" .github/scripts/lintrunner.sh
+          ADDITIONAL_LINTRUNNER_ARGS="--skip CLANGTIDY,CLANGFORMAT,MYPY,MYPYSTRICT ${CHANGED_FILES}" .github/scripts/lintrunner.sh
         fi
 
   quick-checks:

.github/workflows/operator_benchmark.yml

@@ -30,9 +30,9 @@ permissions:
   contents: read
 
 jobs:
-  x86-opbenchmark-build:
+  opbenchmark-build:
     if: github.repository_owner == 'pytorch'
-    name: x86-opbenchmark-build
+    name: opbenchmark-build
     uses: ./.github/workflows/_linux-build.yml
     with:
       build-environment: linux-jammy-py3.10-gcc11-build
@@ -43,36 +43,12 @@ jobs:
         ]}
     secrets: inherit
 
-  x86-opbenchmark-test:
-    name: x86-opbenchmark-test
+  opbenchmark-test:
+    name: opbenchmark-test
     uses: ./.github/workflows/_linux-test.yml
-    needs: x86-opbenchmark-build
+    needs: opbenchmark-build
     with:
       build-environment: linux-jammy-py3.10-gcc11-build
-      docker-image: ${{ needs.x86-opbenchmark-build.outputs.docker-image }}
-      test-matrix: ${{ needs.x86-opbenchmark-build.outputs.test-matrix }}
-    secrets: inherit
-
-  aarch64-opbenchmark-build:
-    if: github.repository_owner == 'pytorch'
-    name: aarch64-opbenchmark-build
-    uses: ./.github/workflows/_linux-build.yml
-    with:
-      build-environment: linux-jammy-aarch64-py3.10
-      runner: linux.arm64.m7g.4xlarge
-      docker-image-name: ci-image:pytorch-linux-jammy-aarch64-py3.10-gcc11
-      test-matrix: |
-        { include: [
-          { config: "cpu_operator_benchmark_short", shard: 1, num_shards: 1, runner: "linux.arm64.m8g.4xlarge" },
-        ]}
-    secrets: inherit
-
-  aarch64-opbenchmark-test:
-    name: aarch64-opbenchmark-test
-    uses: ./.github/workflows/_linux-test.yml
-    needs: aarch64-opbenchmark-build
-    with:
-      build-environment: linux-jammy-aarch64-py3.10
-      docker-image: ${{ needs.aarch64-opbenchmark-build.outputs.docker-image }}
-      test-matrix: ${{ needs.aarch64-opbenchmark-build.outputs.test-matrix }}
+      docker-image: ${{ needs.opbenchmark-build.outputs.docker-image }}
+      test-matrix: ${{ needs.opbenchmark-build.outputs.test-matrix }}
     secrets: inherit

.github/workflows/periodic.yml

@@ -147,16 +147,15 @@ jobs:
       runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
       build-environment: linux-jammy-cuda12.8-py3.10-gcc9-debug
       docker-image-name: ci-image:pytorch-linux-jammy-cuda12.8-cudnn9-py3-gcc9
-      cuda-arch-list: 8.9
       test-matrix: |
         { include: [
-          { config: "default", shard: 1, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.g6.4xlarge.experimental.nvidia.gpu", owners: ["oncall:debug-build"] },
-          { config: "default", shard: 2, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.g6.4xlarge.experimental.nvidia.gpu", owners: ["oncall:debug-build"] },
-          { config: "default", shard: 3, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.g6.4xlarge.experimental.nvidia.gpu", owners: ["oncall:debug-build"] },
-          { config: "default", shard: 4, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.g6.4xlarge.experimental.nvidia.gpu", owners: ["oncall:debug-build"] },
-          { config: "default", shard: 5, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.g6.4xlarge.experimental.nvidia.gpu", owners: ["oncall:debug-build"] },
-          { config: "default", shard: 6, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.g6.4xlarge.experimental.nvidia.gpu", owners: ["oncall:debug-build"] },
-          { config: "default", shard: 7, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.g6.4xlarge.experimental.nvidia.gpu", owners: ["oncall:debug-build"] },
+          { config: "default", shard: 1, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.4xlarge.nvidia.gpu", owners: ["oncall:debug-build"] },
+          { config: "default", shard: 2, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.4xlarge.nvidia.gpu", owners: ["oncall:debug-build"] },
+          { config: "default", shard: 3, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.4xlarge.nvidia.gpu", owners: ["oncall:debug-build"] },
+          { config: "default", shard: 4, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.4xlarge.nvidia.gpu", owners: ["oncall:debug-build"] },
+          { config: "default", shard: 5, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.4xlarge.nvidia.gpu", owners: ["oncall:debug-build"] },
+          { config: "default", shard: 6, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.4xlarge.nvidia.gpu", owners: ["oncall:debug-build"] },
+          { config: "default", shard: 7, num_shards: 7, runner: "${{ needs.get-label-type.outputs.label-type }}linux.4xlarge.nvidia.gpu", owners: ["oncall:debug-build"] },
         ]}
     secrets: inherit
 

.github/workflows/rocm-mi355.yml

@@ -45,12 +45,12 @@ jobs:
       sync-tag: rocm-build
       test-matrix: |
         { include: [
-          { config: "default", shard: 1, num_shards: 6, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "default", shard: 2, num_shards: 6, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "default", shard: 3, num_shards: 6, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "default", shard: 4, num_shards: 6, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "default", shard: 5, num_shards: 6, runner: "linux.rocm.gpu.mi355.1" },
-          { config: "default", shard: 6, num_shards: 6, runner: "linux.rocm.gpu.mi355.1" },
+          { config: "default", shard: 1, num_shards: 6, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "default", shard: 2, num_shards: 6, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "default", shard: 3, num_shards: 6, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "default", shard: 4, num_shards: 6, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "default", shard: 5, num_shards: 6, runner: "linux.rocm.gpu.mi355.2" },
+          { config: "default", shard: 6, num_shards: 6, runner: "linux.rocm.gpu.mi355.2" },
         ]}
     secrets: inherit
 

.github/workflows/rocm-navi31.yml

@@ -1,63 +0,0 @@
-name: rocm-navi31
-
-on:
-  push:
-    tags:
-      - ciflow/rocm-navi31/*
-  workflow_dispatch:
-  schedule:
-    # We have several schedules so jobs can check github.event.schedule to activate only for a fraction of the runs.
-    # Also run less frequently on weekends.
-    - cron: 45 */2 * * 1-5
-    - cron: 45 4,12 * * 0,6
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref_name }}-${{ github.ref_type == 'branch' && github.sha }}-${{ github.event_name == 'workflow_dispatch' }}-${{ github.event_name == 'schedule' }}
-  cancel-in-progress: true
-
-permissions: read-all
-
-jobs:
-  target-determination:
-    if: github.repository_owner == 'pytorch'
-    name: before-test
-    uses: ./.github/workflows/target_determination.yml
-    permissions:
-      id-token: write
-      contents: read
-
-  linux-jammy-rocm-py3_10-build:
-    if: ${{ (github.event_name != 'schedule' || github.repository == 'pytorch/pytorch') && github.repository_owner == 'pytorch' }}
-    name: linux-jammy-rocm-py3.10
-    uses: ./.github/workflows/_linux-build.yml
-    with:
-      build-environment: linux-jammy-rocm-py3.10
-      docker-image-name: ci-image:pytorch-linux-jammy-rocm-n-py3
-      sync-tag: rocm-build
-      test-matrix: |
-        { include: [
-          { config: "default", shard: 1, num_shards: 2, runner: "linux.rocm.gpu.gfx1100" },
-          { config: "default", shard: 2, num_shards: 2, runner: "linux.rocm.gpu.gfx1100" },
-        ]}
-    secrets: inherit
-
-  linux-jammy-rocm-py3_10-test:
-    permissions:
-      id-token: write
-      contents: read
-    name: linux-jammy-rocm-py3_10
-    uses: ./.github/workflows/_rocm-test.yml
-    needs:
-      - linux-jammy-rocm-py3_10-build
-      - target-determination
-    with:
-      build-environment: linux-jammy-rocm-py3.10
-      docker-image: ${{ needs.linux-jammy-rocm-py3_10-build.outputs.docker-image }}
-      test-matrix: ${{ needs.linux-jammy-rocm-py3_10-build.outputs.test-matrix }}
-      tests-to-include: >-
-         ${{ github.event_name == 'schedule' && 'test_nn test_torch test_cuda test_ops test_unary_ufuncs test_binary_ufuncs
-         test_autograd inductor/test_torchinductor inductor/test_kernel_benchmark
-         inductor/test_pad_mm inductor/test_benchmark_fusion inductor/test_aot_inductor
-         inductor/test_torchinductor inductor/test_decompose_mem_bound_mm
-         inductor/test_flex_attention inductor/test_max_autotune' || '' }}
-    secrets: inherit

.github/workflows/rocm.yml

@@ -59,3 +59,29 @@ jobs:
       docker-image: ${{ needs.linux-jammy-rocm-py3_10-build.outputs.docker-image }}
       test-matrix: ${{ needs.linux-jammy-rocm-py3_10-build.outputs.test-matrix }}
     secrets: inherit
+
+  linux-jammy-rocm-py3_10-gfx1100-test:
+    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+    permissions:
+      id-token: write
+      contents: read
+    name: linux-jammy-rocm-py3_10-gfx1100
+    uses: ./.github/workflows/_rocm-test.yml
+    needs:
+      - linux-jammy-rocm-py3_10-build
+      - target-determination
+    with:
+      build-environment: linux-jammy-rocm-py3.10
+      docker-image: ${{ needs.linux-jammy-rocm-py3_10-build.outputs.docker-image }}
+      test-matrix: |
+        { include: [
+          { config: "default", shard: 1, num_shards: 2, runner: "linux.rocm.gpu.gfx1100" },
+          { config: "default", shard: 2, num_shards: 2, runner: "linux.rocm.gpu.gfx1100" },
+        ]}
+      tests-to-include: >
+         test_nn test_torch test_cuda test_ops test_unary_ufuncs test_binary_ufuncs
+         test_autograd inductor/test_torchinductor inductor/test_kernel_benchmark
+         inductor/test_pad_mm inductor/test_benchmark_fusion inductor/test_aot_inductor
+         inductor/test_torchinductor inductor/test_decompose_mem_bound_mm
+         inductor/test_flex_attention inductor/test_max_autotune
+    secrets: inherit

.github/workflows/trunk-tagging.yml

@@ -58,10 +58,8 @@ jobs:
           else
             COMMIT_SHA="${{ github.sha }}"
           fi
-          {
-            echo "sha=${COMMIT_SHA}"
-            echo "tag_name=trunk/${COMMIT_SHA}"
-          } >> "${GITHUB_OUTPUT}"
+          echo "sha=${COMMIT_SHA}" >> "${GITHUB_OUTPUT}"
+          echo "tag_name=trunk/${COMMIT_SHA}" >> "${GITHUB_OUTPUT}"
 
       - name: Validate commit SHA
         run: |
@@ -89,7 +87,7 @@ jobs:
             echo "✅ Commit ${COMMIT_SHA} is valid (automatic push trigger)"
           fi
 
-      - name: Create and push tag(s) with retry
+      - name: Create and push tag with retry
         id: check_tag
         env:
           TAG_NAME: ${{ steps.commit.outputs.tag_name }}
@@ -114,23 +112,14 @@ jobs:
             return 1
           }
 
-          # Counters for summary reporting
-          created_count=0
-          skipped_count=0
-          failed_count=0
+          # Exit early if tag already exists
+          if check_tag_exists; then
+            echo "✅ Tag already exists - no action needed"
+            echo "exists=true" >> "${GITHUB_OUTPUT}"
+            exit 0
+          fi
 
-          # Always write outputs once on exit
-          finish() {
-            set +e
-            if [ -n "${GITHUB_OUTPUT:-}" ]; then
-              {
-                echo "created_count=${created_count}"
-                echo "skipped_count=${skipped_count}"
-                echo "failed_count=${failed_count}"
-              } >> "${GITHUB_OUTPUT}"
-            fi
-          }
-          trap finish EXIT
+          echo "Tag ${TAG_NAME} does not exist, proceeding with creation"
 
           # Retry configuration
           MAX_RETRIES=5
@@ -205,111 +194,31 @@ jobs:
             }
           }
 
-          # New behavior for push events: enumerate commits in the push and tag each one.
-          # For workflow_dispatch, retain existing single-SHA behavior.
-
-          # Always fetch tags once up front to improve idempotency in loops
-          git fetch origin --tags --quiet || true
-
-          if [ "${{ github.event_name }}" = "push" ]; then
-            BEFORE_SHA="${{ github.event.before }}"
-            AFTER_SHA="${{ github.sha }}"  # same as event.after
-
-            # List commits introduced by this push (old..new), oldest first for stable ordering
-            commits_file="$(mktemp)"
-            git rev-list --reverse "${BEFORE_SHA}..${AFTER_SHA}" > "${commits_file}"
-
-            if [ ! -s "${commits_file}" ]; then
-              echo "No new commits found between ${BEFORE_SHA}..${AFTER_SHA}; nothing to tag."
-              rm -f "${commits_file}"
-              exit 0
-            fi
-
-            commit_count="$(wc -l < "${commits_file}" | tr -d ' ')"
-            echo "Found ${commit_count} commit(s) to tag for push:"
-            while IFS= read -r sha; do
-              printf '  %s\n' "${sha}"
-            done < "${commits_file}"
-
-            while IFS= read -r sha; do
-              TAG_NAME="trunk/${sha}"
-              COMMIT_SHA="${sha}"
-
-              # If tag already exists locally or remotely, skip (idempotent)
-              if check_tag_exists; then
-                echo "✅ Tag ${TAG_NAME} already exists - skipping"
-                skipped_count=$((skipped_count + 1))
-                continue
-              fi
-
-              echo "Tag ${TAG_NAME} does not exist, proceeding with creation"
-
-              if retry_with_backoff "tag_with_retry" "Creating tag ${TAG_NAME} for commit ${COMMIT_SHA}"; then
-                created_count=$((created_count + 1))
-              else
-                echo "Tag creation failed after all retry attempts for ${TAG_NAME}"
-                failed_count=$((failed_count + 1))
-              fi
-            done < "${commits_file}"
-
-            rm -f "${commits_file}"
-
-            if [ "${failed_count}" -gt 0 ]; then
-              exit 1
-            fi
+          # Execute with retry
+          if retry_with_backoff "tag_with_retry" "Creating tag ${TAG_NAME} for commit ${COMMIT_SHA}"; then
+            echo "exists=false" >> "${GITHUB_OUTPUT}"
             exit 0
           else
-            # workflow_dispatch path (single SHA tagging preserved)
-
-            # Exit early if tag already exists
-            if check_tag_exists; then
-              echo "✅ Tag already exists - no action needed"
-              skipped_count=1
-              exit 0
-            fi
-
-            echo "Tag ${TAG_NAME} does not exist, proceeding with creation"
-
-            if retry_with_backoff "tag_with_retry" "Creating tag ${TAG_NAME} for commit ${COMMIT_SHA}"; then
-              created_count=1
-              exit 0
-            else
-              echo "Tag creation failed after all retry attempts"
-              failed_count=1
-              exit 1
-            fi
+            echo "Tag creation failed after all retry attempts"
+            exit 1
           fi
 
       - name: Tag creation summary
         if: always()
         run: |
-          if [ "${{ github.event_name }}" = "push" ]; then
-            echo "Trigger: push on main"
-            echo "Created: ${{ steps.check_tag.outputs.created_count }}"
-            echo "Skipped (already existed): ${{ steps.check_tag.outputs.skipped_count }}"
-            echo "Failed: ${{ steps.check_tag.outputs.failed_count }}"
-            if [ "${{ steps.check_tag.outputs.failed_count }}" = "0" ]; then
-              echo "✅ Completed tagging for push range ${{ github.event.before }}..${{ github.sha }}"
-            else
-              echo "❌ Some tags failed to create for push range ${{ github.event.before }}..${{ github.sha }}"
-            fi
+          if [ "${{ steps.check_tag.outputs.exists }}" = "true" ]; then
+            echo "✅ Tag ${{ steps.commit.outputs.tag_name }} already existed - no action needed"
+          elif [ "${{ job.status }}" = "success" ]; then
+            echo "✅ Successfully created tag ${{ steps.commit.outputs.tag_name }} for commit ${{ steps.commit.outputs.sha }}"
           else
-            if [ "${{ steps.check_tag.outputs.failed_count }}" = "0" ]; then
-              if [ "${{ steps.check_tag.outputs.created_count }}" = "0" ]; then
-                echo "✅ Tag ${{ steps.commit.outputs.tag_name }} already existed - no action needed"
-              else
-                echo "✅ Successfully created tag ${{ steps.commit.outputs.tag_name }} for commit ${{ steps.commit.outputs.sha }}"
-              fi
-            else
-              echo "❌ Failed to create tag ${{ steps.commit.outputs.tag_name }} for commit ${{ steps.commit.outputs.sha }}"
-            fi
-
-            echo ""
-            echo "Tag details:"
-            echo "  Name: ${{ steps.commit.outputs.tag_name }}"
-            echo "  Commit: ${{ steps.commit.outputs.sha }}"
-            echo "  Trigger: ${{ github.event_name }}"
-            if [ -n "${{ github.event.inputs.commit_sha }}" ]; then
-              echo "  Manual commit: ${{ github.event.inputs.commit_sha }}"
-            fi
+            echo "❌ Failed to create tag ${{ steps.commit.outputs.tag_name }} for commit ${{ steps.commit.outputs.sha }}"
+          fi
+
+          echo ""
+          echo "Tag details:"
+          echo "  Name: ${{ steps.commit.outputs.tag_name }}"
+          echo "  Commit: ${{ steps.commit.outputs.sha }}"
+          echo "  Trigger: ${{ github.event_name }}"
+          if [ -n "${{ github.event.inputs.commit_sha }}" ]; then
+            echo "  Manual commit: ${{ github.event.inputs.commit_sha }}"
           fi

.github/workflows/trunk.yml

@@ -190,40 +190,6 @@ jobs:
       runner: "${{ needs.get-label-type.outputs.label-type }}windows.4xlarge.nonephemeral"
     secrets: inherit
 
-  linux-jammy-rocm-py3_10-build:
-    if: ${{ startsWith(github.event.ref, 'refs/tags/ciflow/trunk') }}
-    name: linux-jammy-rocm-py3.10
-    uses: ./.github/workflows/_linux-build.yml
-    needs: get-label-type
-    with:
-      runner_prefix: "${{ needs.get-label-type.outputs.label-type }}"
-      build-environment: linux-jammy-rocm-py3.10
-      docker-image-name: ci-image:pytorch-linux-jammy-rocm-n-py3
-      sync-tag: rocm-build
-      test-matrix: |
-        { include: [
-          { config: "default", shard: 1, num_shards: 2, runner: "linux.rocm.gpu.gfx942.1" },
-          { config: "default", shard: 2, num_shards: 2, runner: "linux.rocm.gpu.gfx942.1" },
-        ]}
-    secrets: inherit
-
-  linux-jammy-rocm-py3_10-test:
-    if: ${{ startsWith(github.event.ref, 'refs/tags/ciflow/trunk') }}
-    permissions:
-      id-token: write
-      contents: read
-    name: linux-jammy-rocm-py3.10
-    uses: ./.github/workflows/_rocm-test.yml
-    needs:
-      - linux-jammy-rocm-py3_10-build
-      - target-determination
-    with:
-      build-environment: linux-jammy-rocm-py3.10
-      docker-image: ${{ needs.linux-jammy-rocm-py3_10-build.outputs.docker-image }}
-      test-matrix: ${{ needs.linux-jammy-rocm-py3_10-build.outputs.test-matrix }}
-      tests-to-include: "test_nn test_torch test_cuda test_ops test_unary_ufuncs test_binary_ufuncs test_autograd inductor/test_torchinductor"
-    secrets: inherit
-
   inductor-build:
     name: inductor-build
     uses: ./.github/workflows/_linux-build.yml
@@ -234,23 +200,6 @@ jobs:
       cuda-arch-list: '8.0'
     secrets: inherit
 
-  # Test cross-compiled models with Windows libs extracted from wheel
-  cross-compile-linux-test:
-    name: cross-compile-linux-test
-    uses: ./.github/workflows/_linux-test.yml
-    needs:
-      - linux-jammy-cuda12_8-py3_10-gcc11-build
-      - get-label-type
-      - win-vs2022-cuda12_8-py3-build
-    with:
-      build-environment: linux-jammy-cuda12.8-py3.10-gcc11
-      docker-image: ${{ needs.linux-jammy-cuda12_8-py3_10-gcc11-build.outputs.docker-image }}
-      test-matrix: |
-        { include: [
-          { config: "aoti_cross_compile_for_windows", shard: 1, num_shards: 1, runner: "${{ needs.get-label-type.outputs.label-type }}linux.g6.4xlarge.experimental.nvidia.gpu", win_torch_wheel_artifact: "win-vs2022-cuda12.8-py3" },
-        ]}
-    secrets: inherit
-
   verify-cachebench-cpu-build:
     name: verify-cachebench-cpu-build
     uses: ./.github/workflows/_linux-build.yml

.gitignore

@@ -374,7 +374,6 @@ third_party/ruy/
 third_party/glog/
 
 # Virtualenv
-.venv/
 venv/
 
 # Log files

.lintrunner.toml

@@ -209,46 +209,6 @@ command = [
     '@{{PATHSFILE}}'
 ]
 
-
-[[linter]]
-code = 'PYREFLY'
-include_patterns = [
-    'torch/**/*.py',
-    'torch/**/*.pyi',
-    'torchgen/**/*.py',
-    'torchgen/**/*.pyi',
-    'functorch/**/*.py',
-    'functorch/**/*.pyi',
-]
-exclude_patterns = []
-command = [
-    'python3',
-    'tools/linter/adapters/pyrefly_linter.py',
-    '--config=pyrefly.toml',
-]
-init_command = [
-    'python3',
-    'tools/linter/adapters/pip_init.py',
-    '--dry-run={{DRYRUN}}',
-    'numpy==2.1.0 ; python_version >= "3.12"',
-    'expecttest==0.3.0',
-    'pyrefly==0.36.2',
-    'sympy==1.13.3',
-    'types-requests==2.27.25',
-    'types-pyyaml==6.0.2',
-    'types-tabulate==0.8.8',
-    'types-protobuf==5.29.1.20250403',
-    'types-setuptools==79.0.0.20250422',
-    'types-jinja2==2.11.9',
-    'types-colorama==0.4.6',
-    'filelock==3.18.0',
-    'junitparser==2.1.1',
-    'rich==14.1.0',
-    'optree==0.17.0',
-    'types-openpyxl==3.1.5.20250919',
-    'types-python-dateutil==2.9.0.20251008'
-]
-
 [[linter]]
 code = 'CLANGTIDY'
 include_patterns = [

CODEOWNERS

@@ -201,17 +201,3 @@ torch/backends/cudnn/ @eqy @syed-ahmed @Aidyn-A
 /torch/csrc/stable/ @janeyx99 @mikaylagawarecki
 /torch/headeronly/ @janeyx99
 /torch/header_only_apis.txt @janeyx99
-
-# FlexAttention
-/torch/nn/attention/flex_attention.py @drisspg
-/torch/_higher_order_ops/flex_attention.py @drisspg
-/torch/_inductor/kernel/flex/ @drisspg
-/torch/_inductor/codegen/cpp_flex_attention_template.py @drisspg
-/test/inductor/test_flex_attention.py @drisspg
-/test/inductor/test_flex_decoding.py @drisspg
-
-# Low Precision GEMMs
-/aten/src/ATen/native/cuda/Blas.cpp @drisspg @slayton58
-/aten/src/ATen/cuda/CUDABlas.cpp @drisspg @slayton58
-/aten/src/ATen/cuda/CUDABlas.h @drisspg @slayton58
-/test/test_scaled_matmul_cuda.py @drisspg @slayton58

aten/src/ATen/CMakeLists.txt

@@ -289,15 +289,14 @@ IF(USE_FBGEMM_GENAI)
 
     set_target_properties(fbgemm_genai PROPERTIES POSITION_INDEPENDENT_CODE ON)
 
-    set(fbgemm_genai_cuh
+    set(fbgemm_genai_mx8mx8bf16_grouped
       "${FBGEMM_GENAI_SRCS}/cutlass_extensions/mx8mx8bf16_grouped/"
-      "${FBGEMM_GENAI_SRCS}/"
     )
 
     target_include_directories(fbgemm_genai PRIVATE
       ${FBGEMM_THIRD_PARTY}/cutlass/include
       ${FBGEMM_THIRD_PARTY}/cutlass/tools/util/include
-      ${fbgemm_genai_cuh}
+      ${fbgemm_genai_mx8mx8bf16_grouped}
       ${FBGEMM_GENAI_SRCS}/common/include/   # includes fbgemm_gpu/quantize/utils.h, fbgemm_gpu/quantize/tuning_cache.hpp
       ${FBGEMM_GENAI_SRCS}/include/          # includes fbgemm_gpu/torch_ops.h
     )
@@ -314,14 +313,13 @@ IF(USE_FBGEMM_GENAI)
 
     # Add additional HIPCC compiler flags for performance
     set(FBGEMM_GENAI_EXTRA_HIPCC_FLAGS
+      -mllvm
+      -amdgpu-coerce-illegal-types=1
       -mllvm
       -enable-post-misched=0
       -mllvm
       -greedy-reverse-local-assignment=1
       -fhip-new-launch-api)
-    if(DEFINED ROCM_VERSION_DEV AND ROCM_VERSION_DEV VERSION_LESS "7.2.0")
-        list(PREPEND FBGEMM_GENAI_EXTRA_HIPCC_FLAGS -mllvm -amdgpu-coerce-illegal-types=1)
-      endif()
 
     # Only compile for gfx942 for now.
     # This is rather hacky, I could not figure out a clean solution :(

aten/src/ATen/Context.cpp

@@ -825,14 +825,6 @@ void Context::setDisplayVmapFallbackWarnings(bool enabled) {
   display_vmap_fallback_warnings_ = enabled;
 }
 
-bool Context::warnOnAccumulateGradStreamMismatch() const {
-  return warn_on_accumulate_grad_stream_mismatch_;
-}
-
-void Context::setWarnOnAccumulateGradStreamMismatch(bool enabled) {
-  warn_on_accumulate_grad_stream_mismatch_ = enabled;
-}
-
 bool Context::isDefaultMobileCPUAllocatorSet() {
   return prev_allocator_ptr_ != nullptr;
 }

aten/src/ATen/Context.h

@@ -401,9 +401,6 @@ class TORCH_API Context {
   void setDisplayVmapFallbackWarnings(bool enabled);
   bool areVmapFallbackWarningsEnabled() const;
 
-  void setWarnOnAccumulateGradStreamMismatch(bool enabled);
-  bool warnOnAccumulateGradStreamMismatch() const;
-
   bool isDefaultMobileCPUAllocatorSet();
   void setDefaultMobileCPUAllocator();
   void unsetDefaultMobileCPUAllocator();
@@ -494,7 +491,6 @@ class TORCH_API Context {
   bool release_original_weights = false;
 #endif
   bool display_vmap_fallback_warnings_ = false;
-  bool warn_on_accumulate_grad_stream_mismatch_ = true;
   std::atomic<at::QEngine> quantized_engine = at::QEngine::NoQEngine;
   bool enable_sparse_tensor_invariant_checks = false;
   bool allow_fp16_reduction_cpu = false;

aten/src/ATen/core/CachingHostAllocator.h

@@ -39,7 +39,7 @@ struct HostBlock {
 };
 
 template <typename B>
-struct alignas(hardware_destructive_interference_size) FreeBlockList {
+struct alignas(64) FreeBlockList {
   std::mutex mutex_;
   std::deque<B*> list_;
 };
@@ -122,7 +122,7 @@ struct TORCH_API HostStats {
 // Struct containing memory allocator summary statistics for host, as they
 // are staged for reporting. This is a temporary struct that is used to
 // avoid locking the allocator while collecting stats.
-struct alignas(hardware_destructive_interference_size) HostStatsStaged {
+struct alignas(64) HostStatsStaged {
   std::mutex timing_mutex_;
   // COUNT: total allocations (active + free)
   // LOCK: access to this stat is protected by the allocator's blocks_mutex_
@@ -669,7 +669,7 @@ struct CachingHostAllocatorImpl {
     TORCH_CHECK_NOT_IMPLEMENTED(false, "Not implemented for query_event");
   }
 
-  alignas(hardware_destructive_interference_size) std::mutex blocks_mutex_;
+  alignas(64) std::mutex blocks_mutex_;
   ska::flat_hash_set<B*> blocks_; // block list
   ska::flat_hash_map<void*, B*> ptr_to_block_;
 
@@ -677,17 +677,17 @@ struct CachingHostAllocatorImpl {
   // size. This allows us to quickly find a free block of the right size.
   // We use deque to store per size free list and guard the list with its own
   // mutex.
-  alignas(hardware_destructive_interference_size) std::vector<FreeBlockList<B>> free_list_ =
+  alignas(64) std::vector<FreeBlockList<B>> free_list_ =
       std::vector<FreeBlockList<B>>(MAX_SIZE_INDEX);
 
-  alignas(hardware_destructive_interference_size) std::mutex events_mutex_;
+  alignas(64) std::mutex events_mutex_;
   std::deque<std::pair<E, B*>> events_; // event queue paired with block
 
   // Indicates whether the object is active.
   // Set to false in the destructor to signal background threads to stop.
   std::atomic<bool> active_{true};
 protected:
-  alignas(hardware_destructive_interference_size) HostStatsStaged stats_;
+  alignas(64) HostStatsStaged stats_;
 };
 
 struct TORCH_API HostAllocator : public at::Allocator {

aten/src/ATen/core/Generator.h

@@ -59,7 +59,9 @@ struct TORCH_API Generator {
 
   explicit Generator(c10::intrusive_ptr<c10::GeneratorImpl> gen_impl)
    : impl_(std::move(gen_impl)) {
-    TORCH_CHECK(impl_.get(), "GeneratorImpl with nullptr is not supported");
+    if (impl_.get() == nullptr) {
+      throw std::runtime_error("GeneratorImpl with nullptr is not supported");
+    }
   }
 
   bool operator==(const Generator& rhs) const {

aten/src/ATen/core/PhiloxRNGEngine.h

@@ -229,10 +229,10 @@ private:
   }
 
 
-  static constexpr uint32_t kPhilox10A = 0x9E3779B9;
-  static constexpr uint32_t kPhilox10B = 0xBB67AE85;
-  static constexpr uint32_t kPhiloxSA = 0xD2511F53;
-  static constexpr uint32_t kPhiloxSB = 0xCD9E8D57;
+  static const uint32_t kPhilox10A = 0x9E3779B9;
+  static const uint32_t kPhilox10B = 0xBB67AE85;
+  static const uint32_t kPhiloxSA = 0xD2511F53;
+  static const uint32_t kPhiloxSB = 0xCD9E8D57;
 };
 
 typedef philox_engine Philox4_32;

aten/src/ATen/core/TensorBase.h

@@ -111,7 +111,9 @@ class TORCH_API TensorBase {
   explicit TensorBase(
       c10::intrusive_ptr<TensorImpl, UndefinedTensorImpl> tensor_impl)
       : impl_(std::move(tensor_impl)) {
-    TORCH_CHECK(impl_.get(), "TensorImpl with nullptr is not supported");
+    if (impl_.get() == nullptr) {
+      throw std::runtime_error("TensorImpl with nullptr is not supported");
+    }
   }
   TensorBase(const TensorBase&) = default;
   TensorBase(TensorBase&&) noexcept = default;

aten/src/ATen/core/interned_strings.cpp

@@ -68,7 +68,11 @@ Symbol InternedStrings::_symbol(const std::string& s) {
     return it->second;
 
   auto pos = s.find("::");
-  TORCH_CHECK(pos != std::string::npos, "all symbols must have a namespace, <namespace>::<string>, but found: ", s);
+  if (pos == std::string::npos) {
+    std::stringstream ss;
+    ss << "all symbols must have a namespace, <namespace>::<string>, but found: " << s;
+    throw std::runtime_error(ss.str());
+  }
   Symbol ns = _symbol("namespaces::" + s.substr(0, pos));
 
   Symbol sym(sym_to_info_.size());
@@ -117,7 +121,12 @@ std::string Symbol::domainString() const {
 }
 
 Symbol Symbol::fromDomainAndUnqualString(const std::string & d, const std::string & s) {
-  TORCH_CHECK(d.compare(0, domain_prefix().size(), domain_prefix()) == 0, "Symbol: domain string is expected to be prefixed with '", domain_prefix(), "', e.g. 'org.pytorch.aten'");
+  if (d.compare(0, domain_prefix().size(), domain_prefix()) != 0) {
+    std::ostringstream ss;
+    ss << "Symbol: domain string is expected to be prefixed with '"
+       << domain_prefix() << "', e.g. 'org.pytorch.aten'";
+    throw std::runtime_error(ss.str());
+  }
   std::string qualString = d.substr(domain_prefix().size()) + "::" + s;
   return fromQualString(qualString);
 }

aten/src/ATen/core/ivalue.cpp

@@ -7,7 +7,6 @@
 #include <ATen/core/jit_type.h>
 #include <ATen/core/stack.h>
 #include <ATen/core/type_factory.h>
-#include <c10/util/Exception.h>
 #include <c10/util/StringUtil.h>
 #include <c10/util/hash.h>
 #include <c10/util/irange.h>
@@ -413,7 +412,7 @@ size_t IValue::hash(const IValue& v) {
     case Tag::Enum:
     case Tag::Stream:
     case Tag::Uninitialized:
-      TORCH_CHECK(false,
+      throw std::runtime_error(
           "unhashable type: '" + v.type()->repr_str() + "'");
   }
   // the above switch should be exhaustive

aten/src/ATen/core/jit_type.h

@@ -8,7 +8,6 @@
 #include <ATen/core/type_factory.h>
 #include <ATen/core/qualified_name.h>
 #include <c10/util/TypeList.h>
-#include <c10/util/Exception.h>
 #include <optional>
 #include <c10/core/SymFloat.h>
 #include <c10/core/SymBool.h>
@@ -117,8 +116,10 @@ struct SingleElementType : public SharedType {
 
  protected:
   SingleElementType(TypePtr elem) : SharedType(Kind), elem(std::move(elem)) {
-    TORCH_CHECK(this->elem, c10::str(
+    if (!this->elem) {
+      throw std::runtime_error(c10::str(
             "Can not create ", typeKindToString(Kind), " with None type"));
+    }
   }
 
  private:
@@ -415,12 +416,16 @@ struct TORCH_API SymbolicShape {
   }
 
   ShapeSymbol operator[](size_t i) const {
-    TORCH_CHECK(dims_, "Rank isn't fixed");
+    if (!dims_) {
+      throw std::runtime_error("Rank isn't fixed");
+    }
     return (*dims_).at(i);
   }
 
   ShapeSymbol at(size_t i) const {
-    TORCH_CHECK(dims_, "Rank isn't fixed");
+    if (!dims_) {
+      throw std::runtime_error("Rank isn't fixed");
+    }
     return (*dims_).at(i);
   }
 
@@ -515,7 +520,9 @@ struct VaryingShape {
   }
 
   const std::optional<T> &operator[](size_t i) const {
-    TORCH_CHECK(dims_, "Rank isn't fixed");
+    if (!dims_) {
+      throw std::runtime_error("Rank isn't fixed");
+    }
     return (*dims_).at(i);
   }
 
@@ -950,7 +957,9 @@ struct TORCH_API DictType : public SharedType {
 
   TypePtr createWithContained(
       std::vector<TypePtr> contained_types) const override {
-    TORCH_CHECK(contained_types.size() == 2, "Expected 2 contained types");
+    if (contained_types.size() != 2) {
+      throw std::runtime_error("Expected 2 contained types");
+    }
     return create(std::move(contained_types.at(0)), std::move(contained_types.at(1)));
   }
 

aten/src/ATen/core/type.cpp

@@ -8,7 +8,6 @@
 #include <ATen/core/jit_type.h>
 #include <c10/macros/Macros.h>
 #include <c10/util/env.h>
-#include <c10/util/Exception.h>
 #include <c10/util/flat_hash_map.h>
 #include <c10/util/irange.h>
 #include <array>
@@ -827,7 +826,9 @@ TupleType::TupleType(
     : NamedType(TypeKind::TupleType, std::move(name)),
       elements_(std::move(elements)),
       has_free_variables_(std::any_of(elements_.begin(), elements_.end(), [](const TypePtr& v) {
-        TORCH_CHECK(v, "Can not create tuple with None type");
+        if (!v) {
+          throw std::runtime_error("Can not create tuple with None type");
+        }
         return v->hasFreeVariables();
       })), schema_(std::move(schema)) {
 

aten/src/ATen/cpu/vec/vec128/vec128.h

@@ -8,8 +8,6 @@
 #include <ATen/cpu/vec/vec128/vec128_bfloat16_neon.h>
 #include <ATen/cpu/vec/vec128/vec128_float_neon.h>
 #include <ATen/cpu/vec/vec128/vec128_half_neon.h>
-#include <ATen/cpu/vec/vec128/vec128_int_aarch64.h>
-#include <ATen/cpu/vec/vec128/vec128_uint_aarch64.h>
 #endif
 
 #include <ATen/cpu/vec/vec128/vec128_convert.h>

aten/src/ATen/cpu/vec/vec128/vec128_bfloat16_neon.h

@@ -354,47 +354,9 @@ class Vectorized<c10::BFloat16> : public Vectorized16<
 
   DEFINE_UNARY_ELEMENTWISE_FUNC_VIA_FLOAT_METHOD(abs)
   Vectorized frac() const;
+  DEFINE_UNARY_ELEMENTWISE_FUNC_VIA_FLOAT_METHOD(neg)
   DEFINE_UNARY_ELEMENTWISE_FUNC_VIA_FLOAT_METHOD(trunc)
   DEFINE_UNARY_ELEMENTWISE_FUNC_VIA_FLOAT_METHOD(sqrt)
-
-#ifdef __ARM_FEATURE_BF16
-  Vectorized<c10::BFloat16> neg() const {
-    return -values;
-  }
-  Vectorized<c10::BFloat16> reciprocal() const {
-    return 1.0f / values;
-  }
-  Vectorized<c10::BFloat16> operator==(
-      const Vectorized<c10::BFloat16>& other) const {
-    return values == other.values;
-  }
-
-  Vectorized<c10::BFloat16> operator!=(
-      const Vectorized<c10::BFloat16>& other) const {
-    return values != other.values;
-  }
-
-  Vectorized<c10::BFloat16> operator<(
-      const Vectorized<c10::BFloat16>& other) const {
-    return values < other.values;
-  }
-
-  Vectorized<c10::BFloat16> operator<=(
-      const Vectorized<c10::BFloat16>& other) const {
-    return values <= other.values;
-  }
-
-  Vectorized<c10::BFloat16> operator>(
-      const Vectorized<c10::BFloat16>& other) const {
-    return values > other.values;
-  }
-
-  Vectorized<c10::BFloat16> operator>=(
-      const Vectorized<c10::BFloat16>& other) const {
-    return values >= other.values;
-  }
-#else
-  DEFINE_UNARY_ELEMENTWISE_FUNC_VIA_FLOAT_METHOD(neg)
   DEFINE_UNARY_ELEMENTWISE_FUNC_VIA_FLOAT_METHOD(reciprocal)
   DEFINE_BINARY_COMPARISON_OPERATOR_VIA_FLOAT_METHOD(operator==)
   DEFINE_BINARY_COMPARISON_OPERATOR_VIA_FLOAT_METHOD(operator!=)
@@ -402,7 +364,6 @@ class Vectorized<c10::BFloat16> : public Vectorized16<
   DEFINE_BINARY_COMPARISON_OPERATOR_VIA_FLOAT_METHOD(operator<=)
   DEFINE_BINARY_COMPARISON_OPERATOR_VIA_FLOAT_METHOD(operator>)
   DEFINE_BINARY_COMPARISON_OPERATOR_VIA_FLOAT_METHOD(operator>=)
-#endif
 
 #undef DEFINE_UNARY_ELEMENTWISE_FUNC_VIA_FLOAT_METHOD
 #undef DEFINE_BINARY_ELEMENTWISE_FUNC_VIA_FLOAT_METHOD
@@ -451,52 +412,28 @@ template <>
 Vectorized<c10::BFloat16> inline operator+(
     const Vectorized<c10::BFloat16>& a,
     const Vectorized<c10::BFloat16>& b) {
-#ifdef __ARM_FEATURE_BF16
-  bfloat16x8_t x = a;
-  bfloat16x8_t y = b;
-  return x + y;
-#else
   return binary_operator_via_float(std::plus<Vectorized<float>>(), a, b);
-#endif
 }
 
 template <>
 Vectorized<c10::BFloat16> inline operator-(
     const Vectorized<c10::BFloat16>& a,
     const Vectorized<c10::BFloat16>& b) {
-#ifdef __ARM_FEATURE_BF16
-  bfloat16x8_t x = a;
-  bfloat16x8_t y = b;
-  return x - y;
-#else
   return binary_operator_via_float(std::minus<Vectorized<float>>(), a, b);
-#endif
 }
 
 template <>
 Vectorized<c10::BFloat16> inline operator*(
     const Vectorized<c10::BFloat16>& a,
     const Vectorized<c10::BFloat16>& b) {
-#ifdef __ARM_FEATURE_BF16
-  bfloat16x8_t x = a;
-  bfloat16x8_t y = b;
-  return x * y;
-#else
   return binary_operator_via_float(std::multiplies<Vectorized<float>>(), a, b);
-#endif
 }
 
 template <>
 Vectorized<c10::BFloat16> inline operator/(
     const Vectorized<c10::BFloat16>& a,
     const Vectorized<c10::BFloat16>& b) {
-#ifdef __ARM_FEATURE_BF16
-  bfloat16x8_t x = a;
-  bfloat16x8_t y = b;
-  return x / y;
-#else
   return binary_operator_via_float(std::divides<Vectorized<float>>(), a, b);
-#endif
 }
 
 // frac. Implement this here so we can use subtraction
@@ -607,19 +544,12 @@ Vectorized<c10::BFloat16> inline fmadd(
     const Vectorized<c10::BFloat16>& a,
     const Vectorized<c10::BFloat16>& b,
     const Vectorized<c10::BFloat16>& c) {
-#ifdef __ARM_FEATURE_BF16
-  bfloat16x8_t x = a;
-  bfloat16x8_t y = b;
-  bfloat16x8_t z = c;
-  return x * y + z;
-#else
   // NOTE [BF16 FMA]: There isn't an FMA that accumulates into BF16!  Also,
   // vbfmlalbq_f32 and vbfmlaltq_f32 take the even and odd-numbered
   // elements, not the bottom and top half, so they don't seem
   // particularly useful here. Ideally we would include dot product in
   // the Vectorized interface...
   return a * b + c;
-#endif
 }
 
 template <>
@@ -627,15 +557,8 @@ Vectorized<c10::BFloat16> inline fnmadd(
     const Vectorized<c10::BFloat16>& a,
     const Vectorized<c10::BFloat16>& b,
     const Vectorized<c10::BFloat16>& c) {
-#ifdef __ARM_FEATURE_BF16
-  bfloat16x8_t x = a;
-  bfloat16x8_t y = b;
-  bfloat16x8_t z = c;
-  return (-x) * y + z;
-#else
   // See NOTE [BF16 FMA] above.
   return -a * b + c;
-#endif
 }
 
 template <>
@@ -643,15 +566,8 @@ Vectorized<c10::BFloat16> inline fmsub(
     const Vectorized<c10::BFloat16>& a,
     const Vectorized<c10::BFloat16>& b,
     const Vectorized<c10::BFloat16>& c) {
-#ifdef __ARM_FEATURE_BF16
-  bfloat16x8_t x = a;
-  bfloat16x8_t y = b;
-  bfloat16x8_t z = c;
-  return x * y - z;
-#else
   // See NOTE [BF16 FMA] above.
   return a * b - c;
-#endif
 }
 
 template <>
@@ -659,15 +575,8 @@ Vectorized<c10::BFloat16> inline fnmsub(
     const Vectorized<c10::BFloat16>& a,
     const Vectorized<c10::BFloat16>& b,
     const Vectorized<c10::BFloat16>& c) {
-#ifdef __ARM_FEATURE_BF16
-  bfloat16x8_t x = a;
-  bfloat16x8_t y = b;
-  bfloat16x8_t z = c;
-  return (-x) * y - z;
-#else
   // See NOTE [BF16 FMA] above.
   return -a * b - c;
-#endif
 }
 
 #endif // !defined(C10_MOBILE) && defined(__aarch64__)

aten/src/ATen/cpu/vec/vec128/vec128_int_aarch64.h

@@ -1,794 +0,0 @@
-#pragma once
-
-#include <ATen/cpu/vec/intrinsics.h>
-#include <ATen/cpu/vec/vec_base.h>
-#include <c10/macros/Macros.h>
-#include <c10/util/irange.h>
-
-namespace at::vec {
-// Note [CPU_CAPABILITY namespace]
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-// This header, and all of its subheaders, will be compiled with
-// different architecture flags for each supported set of vector
-// intrinsics. So we need to make sure they aren't inadvertently
-// linked together. We do this by declaring objects in an `inline
-// namespace` which changes the name mangling, but can still be
-// accessed as `at::vec`.
-inline namespace CPU_CAPABILITY {
-
-#define VEC_INT_NEON_TEMPLATE(vl, bit)                                        \
-  template <>                                                                 \
-  struct is_vec_specialized_for<int##bit##_t> : std::bool_constant<true> {};  \
-                                                                              \
-  template <>                                                                 \
-  class Vectorized<int##bit##_t> {                                            \
-    using neon_type = int##bit##x##vl##_t;                                    \
-                                                                              \
-   private:                                                                   \
-    neon_type values;                                                         \
-                                                                              \
-   public:                                                                    \
-    using value_type = int##bit##_t;                                          \
-    using size_type = int;                                                    \
-    static constexpr size_type size() {                                       \
-      return vl;                                                              \
-    }                                                                         \
-    Vectorized() {                                                            \
-      values = vdupq_n_s##bit(0);                                             \
-    }                                                                         \
-    Vectorized(neon_type v) : values(v) {}                                    \
-    Vectorized(int##bit##_t val);                                             \
-    template <                                                                \
-        typename... Args,                                                     \
-        typename = std::enable_if_t<(sizeof...(Args) == size())>>             \
-    Vectorized(Args... vals) {                                                \
-      __at_align__ int##bit##_t buffer[size()] = {vals...};                   \
-      values = vld1q_s##bit(buffer);                                          \
-    }                                                                         \
-    operator neon_type() const {                                              \
-      return values;                                                          \
-    }                                                                         \
-    static Vectorized<int##bit##_t> loadu(                                    \
-        const void* ptr,                                                      \
-        int64_t count = size());                                              \
-    void store(void* ptr, int64_t count = size()) const;                      \
-    template <int64_t mask>                                                   \
-    static Vectorized<int##bit##_t> blend(                                    \
-        const Vectorized<int##bit##_t>& a,                                    \
-        const Vectorized<int##bit##_t>& b);                                   \
-    static Vectorized<int##bit##_t> blendv(                                   \
-        const Vectorized<int##bit##_t>& a,                                    \
-        const Vectorized<int##bit##_t>& b,                                    \
-        const Vectorized<int##bit##_t>& mask_) {                              \
-      return vbslq_s##bit(vreinterpretq_u##bit##_s##bit(mask_.values), b, a); \
-    }                                                                         \
-    template <typename step_t>                                                \
-    static Vectorized<int##bit##_t> arange(                                   \
-        value_type base = 0,                                                  \
-        step_t step = static_cast<step_t>(1));                                \
-    static Vectorized<int##bit##_t> set(                                      \
-        const Vectorized<int##bit##_t>& a,                                    \
-        const Vectorized<int##bit##_t>& b,                                    \
-        int64_t count = size());                                              \
-    const int##bit##_t& operator[](int idx) const = delete;                   \
-    int##bit##_t& operator[](int idx) = delete;                               \
-    Vectorized<int##bit##_t> abs() const {                                    \
-      return vabsq_s##bit(values);                                            \
-    }                                                                         \
-    Vectorized<int##bit##_t> real() const {                                   \
-      return values;                                                          \
-    }                                                                         \
-    Vectorized<int##bit##_t> imag() const {                                   \
-      return vdupq_n_s##bit(0);                                               \
-    }                                                                         \
-    Vectorized<int##bit##_t> conj() const {                                   \
-      return values;                                                          \
-    }                                                                         \
-    Vectorized<int##bit##_t> neg() const {                                    \
-      return vnegq_s##bit(values);                                            \
-    }                                                                         \
-    int##bit##_t reduce_add() const {                                         \
-      return vaddvq_s##bit(values);                                           \
-    }                                                                         \
-    int##bit##_t reduce_max() const;                                          \
-    Vectorized<int##bit##_t> operator==(                                      \
-        const Vectorized<int##bit##_t>& other) const {                        \
-      return Vectorized<value_type>(                                          \
-          vreinterpretq_s##bit##_u##bit(vceqq_s##bit(values, other.values))); \
-    }                                                                         \
-    Vectorized<int##bit##_t> operator!=(                                      \
-        const Vectorized<int##bit##_t>& other) const;                         \
-    Vectorized<int##bit##_t> operator<(                                       \
-        const Vectorized<int##bit##_t>& other) const {                        \
-      return Vectorized<value_type>(                                          \
-          vreinterpretq_s##bit##_u##bit(vcltq_s##bit(values, other.values))); \
-    }                                                                         \
-    Vectorized<int##bit##_t> operator<=(                                      \
-        const Vectorized<int##bit##_t>& other) const {                        \
-      return Vectorized<value_type>(                                          \
-          vreinterpretq_s##bit##_u##bit(vcleq_s##bit(values, other.values))); \
-    }                                                                         \
-    Vectorized<int##bit##_t> operator>(                                       \
-        const Vectorized<int##bit##_t>& other) const {                        \
-      return Vectorized<value_type>(                                          \
-          vreinterpretq_s##bit##_u##bit(vcgtq_s##bit(values, other.values))); \
-    }                                                                         \
-    Vectorized<int##bit##_t> operator>=(                                      \
-        const Vectorized<int##bit##_t>& other) const {                        \
-      return Vectorized<value_type>(                                          \
-          vreinterpretq_s##bit##_u##bit(vcgeq_s##bit(values, other.values))); \
-    }                                                                         \
-    Vectorized<int##bit##_t> eq(const Vectorized<int##bit##_t>& other) const; \
-    Vectorized<int##bit##_t> ne(const Vectorized<int##bit##_t>& other) const; \
-    Vectorized<int##bit##_t> gt(const Vectorized<int##bit##_t>& other) const; \
-    Vectorized<int##bit##_t> ge(const Vectorized<int##bit##_t>& other) const; \
-    Vectorized<int##bit##_t> lt(const Vectorized<int##bit##_t>& other) const; \
-    Vectorized<int##bit##_t> le(const Vectorized<int##bit##_t>& other) const; \
-  };                                                                          \
-  template <>                                                                 \
-  Vectorized<int##bit##_t> inline operator+(                                  \
-      const Vectorized<int##bit##_t>& a, const Vectorized<int##bit##_t>& b) { \
-    return vaddq_s##bit(a, b);                                                \
-  }                                                                           \
-  template <>                                                                 \
-  Vectorized<int##bit##_t> inline operator-(                                  \
-      const Vectorized<int##bit##_t>& a, const Vectorized<int##bit##_t>& b) { \
-    return vsubq_s##bit(a, b);                                                \
-  }                                                                           \
-  template <>                                                                 \
-  Vectorized<int##bit##_t> inline operator&(                                  \
-      const Vectorized<int##bit##_t>& a, const Vectorized<int##bit##_t>& b) { \
-    return vandq_s##bit(a, b);                                                \
-  }                                                                           \
-  template <>                                                                 \
-  Vectorized<int##bit##_t> inline operator|(                                  \
-      const Vectorized<int##bit##_t>& a, const Vectorized<int##bit##_t>& b) { \
-    return vorrq_s##bit(a, b);                                                \
-  }                                                                           \
-  template <>                                                                 \
-  Vectorized<int##bit##_t> inline operator^(                                  \
-      const Vectorized<int##bit##_t>& a, const Vectorized<int##bit##_t>& b) { \
-    return veorq_s##bit(a, b);                                                \
-  }                                                                           \
-  Vectorized<int##bit##_t> inline Vectorized<int##bit##_t>::eq(               \
-      const Vectorized<int##bit##_t>& other) const {                          \
-    return (*this == other) & Vectorized<int##bit##_t>(1);                    \
-  }                                                                           \
-  Vectorized<int##bit##_t> inline Vectorized<int##bit##_t>::ne(               \
-      const Vectorized<int##bit##_t>& other) const {                          \
-    return (*this != other) & Vectorized<int##bit##_t>(1);                    \
-  }                                                                           \
-  Vectorized<int##bit##_t> inline Vectorized<int##bit##_t>::gt(               \
-      const Vectorized<int##bit##_t>& other) const {                          \
-    return (*this > other) & Vectorized<int##bit##_t>(1);                     \
-  }                                                                           \
-  Vectorized<int##bit##_t> inline Vectorized<int##bit##_t>::ge(               \
-      const Vectorized<int##bit##_t>& other) const {                          \
-    return (*this >= other) & Vectorized<int##bit##_t>(1);                    \
-  }                                                                           \
-  Vectorized<int##bit##_t> inline Vectorized<int##bit##_t>::lt(               \
-      const Vectorized<int##bit##_t>& other) const {                          \
-    return (*this < other) & Vectorized<int##bit##_t>(1);                     \
-  }                                                                           \
-  Vectorized<int##bit##_t> inline Vectorized<int##bit##_t>::le(               \
-      const Vectorized<int##bit##_t>& other) const {                          \
-    return (*this <= other) & Vectorized<int##bit##_t>(1);                    \
-  }
-
-VEC_INT_NEON_TEMPLATE(2, 64)
-VEC_INT_NEON_TEMPLATE(4, 32)
-VEC_INT_NEON_TEMPLATE(8, 16)
-VEC_INT_NEON_TEMPLATE(16, 8)
-
-inline int32_t Vectorized<int32_t>::reduce_max() const {
-  return vmaxvq_s32(values);
-}
-
-inline int16_t Vectorized<int16_t>::reduce_max() const {
-  return vmaxvq_s16(values);
-}
-
-inline int8_t Vectorized<int8_t>::reduce_max() const {
-  return vmaxvq_s8(values);
-}
-
-template <>
-Vectorized<int32_t> inline operator*(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& b) {
-  return vmulq_s32(a, b);
-}
-
-template <>
-Vectorized<int16_t> inline operator*(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& b) {
-  return vmulq_s16(a, b);
-}
-
-template <>
-Vectorized<int8_t> inline operator*(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& b) {
-  return vmulq_s8(a, b);
-}
-
-template <>
-inline Vectorized<int64_t> operator~(const Vectorized<int64_t>& a) {
-  int64x2_t val = a;
-  return ~val;
-}
-
-template <>
-inline Vectorized<int32_t> operator~(const Vectorized<int32_t>& a) {
-  return vmvnq_s32(a);
-}
-
-template <>
-inline Vectorized<int16_t> operator~(const Vectorized<int16_t>& a) {
-  return vmvnq_s16(a);
-}
-
-template <>
-inline Vectorized<int8_t> operator~(const Vectorized<int8_t>& a) {
-  return vmvnq_s8(a);
-}
-
-inline Vectorized<int64_t> Vectorized<int64_t>::operator!=(
-    const Vectorized<int64_t>& other) const {
-  return ~(*this == other);
-}
-
-inline Vectorized<int32_t> Vectorized<int32_t>::operator!=(
-    const Vectorized<int32_t>& other) const {
-  return ~(*this == other);
-}
-
-inline Vectorized<int16_t> Vectorized<int16_t>::operator!=(
-    const Vectorized<int16_t>& other) const {
-  return ~(*this == other);
-}
-
-inline Vectorized<int8_t> Vectorized<int8_t>::operator!=(
-    const Vectorized<int8_t>& other) const {
-  return ~(*this == other);
-}
-
-template <>
-Vectorized<int32_t> inline minimum(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& b) {
-  return vminq_s32(a, b);
-}
-
-template <>
-Vectorized<int16_t> inline minimum(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& b) {
-  return vminq_s16(a, b);
-}
-
-template <>
-Vectorized<int8_t> inline minimum(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& b) {
-  return vminq_s8(a, b);
-}
-
-template <>
-Vectorized<int32_t> inline maximum(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& b) {
-  return vmaxq_s32(a, b);
-}
-
-template <>
-Vectorized<int16_t> inline maximum(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& b) {
-  return vmaxq_s16(a, b);
-}
-
-template <>
-Vectorized<int8_t> inline maximum(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& b) {
-  return vmaxq_s8(a, b);
-}
-
-template <int64_t mask>
-Vectorized<int64_t> Vectorized<int64_t>::blend(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& b) {
-  // Build an array of flags: each bit of element is 1 if the corresponding bit
-  // in 'mask' is set, 0 otherwise.
-  uint64x2_t maskArray = {
-      (mask & 1LL) ? 0xFFFFFFFFFFFFFFFF : 0,
-      (mask & 2LL) ? 0xFFFFFFFFFFFFFFFF : 0};
-  // Use BSL to select elements from b where the mask is 1, else from a
-  return vbslq_s64(maskArray, b.values, a.values);
-}
-
-template <int64_t mask>
-Vectorized<int32_t> Vectorized<int32_t>::blend(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& b) {
-  // Build an array of flags: each bit of element is 1 if the corresponding bit
-  // in 'mask' is set, 0 otherwise.
-  uint32x4_t maskArray = {
-      (mask & 1LL) ? 0xFFFFFFFF : 0,
-      (mask & 2LL) ? 0xFFFFFFFF : 0,
-      (mask & 4LL) ? 0xFFFFFFFF : 0,
-      (mask & 8LL) ? 0xFFFFFFFF : 0};
-  // Use BSL to select elements from b where the mask is 1, else from a
-  return vbslq_s32(maskArray, b.values, a.values);
-}
-
-template <int64_t mask>
-Vectorized<int16_t> Vectorized<int16_t>::blend(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& b) {
-  // Build an array of flags: each bit of element is 1 if the corresponding bit
-  // in 'mask' is set, 0 otherwise.
-  uint16x8_t maskArray = {
-      (mask & 1LL) ? 0xFFFF : 0,
-      (mask & 2LL) ? 0xFFFF : 0,
-      (mask & 4LL) ? 0xFFFF : 0,
-      (mask & 8LL) ? 0xFFFF : 0,
-      (mask & 16LL) ? 0xFFFF : 0,
-      (mask & 32LL) ? 0xFFFF : 0,
-      (mask & 64LL) ? 0xFFFF : 0,
-      (mask & 128LL) ? 0xFFFF : 0};
-  // Use BSL to select elements from b where the mask is 1, else from a
-  return vbslq_s16(maskArray, b.values, a.values);
-}
-
-template <int64_t mask>
-Vectorized<int8_t> Vectorized<int8_t>::blend(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& b) {
-  // Build an array of flags: each bit of element is 1 if the corresponding bit
-  // in 'mask' is set, 0 otherwise.
-  uint8x16_t maskArray = {
-      (mask & 1LL) ? 0xFF : 0,
-      (mask & 2LL) ? 0xFF : 0,
-      (mask & 4LL) ? 0xFF : 0,
-      (mask & 8LL) ? 0xFF : 0,
-      (mask & 16LL) ? 0xFF : 0,
-      (mask & 32LL) ? 0xFF : 0,
-      (mask & 64LL) ? 0xFF : 0,
-      (mask & 128LL) ? 0xFF : 0,
-      (mask & 256LL) ? 0xFF : 0,
-      (mask & 512LL) ? 0xFF : 0,
-      (mask & 1024LL) ? 0xFF : 0,
-      (mask & 2048LL) ? 0xFF : 0,
-      (mask & 4096LL) ? 0xFF : 0,
-      (mask & 8192LL) ? 0xFF : 0,
-      (mask & 16384LL) ? 0xFF : 0,
-      (mask & 32768LL) ? 0xFF : 0};
-  // Use BSL to select elements from b where the mask is 1, else from a
-  return vbslq_s8(maskArray, b.values, a.values);
-}
-
-#define VEC_INT_NEON_OPS(vl, bit)                                             \
-  inline Vectorized<int##bit##_t>::Vectorized(int##bit##_t val) {             \
-    values = vdupq_n_s##bit(val);                                             \
-  }                                                                           \
-  inline Vectorized<int##bit##_t> Vectorized<int##bit##_t>::loadu(            \
-      const void* ptr, int64_t count) {                                       \
-    if (count == size()) {                                                    \
-      return vld1q_s##bit(reinterpret_cast<const int##bit##_t*>(ptr));        \
-    } else {                                                                  \
-      __at_align__ int##bit##_t tmp_values[size()];                           \
-      for (const auto i : c10::irange(size())) {                              \
-        tmp_values[i] = 0;                                                    \
-      }                                                                       \
-      std::memcpy(                                                            \
-          tmp_values,                                                         \
-          reinterpret_cast<const int##bit##_t*>(ptr),                         \
-          count * sizeof(int##bit##_t));                                      \
-      return vld1q_s##bit(reinterpret_cast<const int##bit##_t*>(tmp_values)); \
-    }                                                                         \
-  }                                                                           \
-  inline void Vectorized<int##bit##_t>::store(void* ptr, int64_t count)       \
-      const {                                                                 \
-    if (count == size()) {                                                    \
-      vst1q_s##bit(reinterpret_cast<int##bit##_t*>(ptr), values);             \
-    } else {                                                                  \
-      int##bit##_t tmp_values[size()];                                        \
-      vst1q_s##bit(reinterpret_cast<int##bit##_t*>(tmp_values), values);      \
-      std::memcpy(ptr, tmp_values, count * sizeof(int##bit##_t));             \
-    }                                                                         \
-  }
-
-VEC_INT_NEON_OPS(2, 64)
-VEC_INT_NEON_OPS(4, 32)
-VEC_INT_NEON_OPS(8, 16)
-VEC_INT_NEON_OPS(16, 8)
-
-template <>
-Vectorized<int64_t> inline operator*(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& b) {
-  int64x2_t x = a;
-  int64x2_t y = b;
-  return x * y;
-}
-
-template <>
-Vectorized<int64_t> inline operator/(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& b) {
-  int64x2_t x = a;
-  int64x2_t y = b;
-  return x / y;
-}
-
-template <>
-Vectorized<int32_t> inline operator/(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& b) {
-  int32x4_t x = a;
-  int32x4_t y = b;
-  return x / y;
-}
-
-inline int64_t Vectorized<int64_t>::reduce_max() const {
-  return std::max(values[0], values[1]);
-}
-
-template <>
-Vectorized<int64_t> inline minimum(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& b) {
-  int64x2_t x = a;
-  int64x2_t y = b;
-  return {std::min(x[0], y[0]), std::min(x[1], y[1])};
-}
-
-template <>
-Vectorized<int64_t> inline maximum(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& b) {
-  int64x2_t x = a;
-  int64x2_t y = b;
-  return {std::max(x[0], y[0]), std::max(x[1], y[1])};
-}
-
-template <typename step_t>
-inline Vectorized<int64_t> Vectorized<int64_t>::arange(
-    int64_t base,
-    step_t step) {
-  const Vectorized<int64_t> base_vec(base);
-  const Vectorized<int64_t> step_vec(step);
-  const int64x2_t step_sizes = {0, 1};
-  return base_vec.values + step_sizes * step_vec.values;
-}
-
-template <typename step_t>
-inline Vectorized<int32_t> Vectorized<int32_t>::arange(
-    int32_t base,
-    step_t step) {
-  const Vectorized<int32_t> base_vec(base);
-  const Vectorized<int32_t> step_vec(step);
-  const int32x4_t step_sizes = {0, 1, 2, 3};
-  return vmlaq_s32(base_vec, step_sizes, step_vec);
-}
-
-template <typename step_t>
-inline Vectorized<int16_t> Vectorized<int16_t>::arange(
-    int16_t base,
-    step_t step) {
-  const Vectorized<int16_t> base_vec(base);
-  const Vectorized<int16_t> step_vec(step);
-  const int16x8_t step_sizes = {0, 1, 2, 3, 4, 5, 6, 7};
-  return vmlaq_s16(base_vec, step_sizes, step_vec);
-}
-
-template <typename step_t>
-inline Vectorized<int8_t> Vectorized<int8_t>::arange(int8_t base, step_t step) {
-  const Vectorized<int8_t> base_vec(base);
-  const Vectorized<int8_t> step_vec(step);
-  const int8x16_t step_sizes = {
-      0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
-  return vmlaq_s8(base_vec, step_sizes, step_vec);
-}
-
-template <>
-Vectorized<int64_t> inline operator>>(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& b) {
-  int64x2_t x = a;
-  int64x2_t y = b;
-  uint64x2_t u = vreinterpretq_u64_s64(y);
-  uint64x2_t z = {std::min(u[0], (uint64_t)63), std::min(u[1], (uint64_t)63)};
-  return x >> vreinterpretq_s64_u64(z);
-}
-
-template <>
-Vectorized<int32_t> inline operator>>(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& b) {
-  int32x4_t x = a;
-  int32x4_t y = b;
-  uint32x4_t bound = vdupq_n_u32(31);
-  uint32x4_t z = vminq_u32(vreinterpretq_u32_s32(y), bound);
-  return x >> vreinterpretq_s32_u32(z);
-}
-
-template <>
-Vectorized<int16_t> inline operator>>(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& b) {
-  int16x8_t x = a;
-  int16x8_t y = b;
-  uint16x8_t bound = vdupq_n_u16(15);
-  uint16x8_t z = vminq_u16(vreinterpretq_u16_s16(y), bound);
-  return x >> vreinterpretq_s16_u16(z);
-}
-
-template <>
-Vectorized<int8_t> inline operator>>(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& b) {
-  int8x16_t x = a;
-  int8x16_t y = b;
-  uint8x16_t bound = vdupq_n_u8(7);
-  int8x16_t z = vreinterpretq_s8_u8(vminq_u8(vreinterpretq_u8_s8(y), bound));
-  return x >> z;
-}
-
-template <>
-Vectorized<int64_t> inline operator<<(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& b) {
-  int64x2_t y = b;
-  uint64x2_t u = vreinterpretq_u64_s64(y);
-  uint64x2_t z = {std::min(u[0], (uint64_t)64), std::min(u[1], (uint64_t)64)};
-  return vshlq_s64(a, vreinterpretq_s64_u64(z));
-}
-
-template <>
-Vectorized<int32_t> inline operator<<(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& b) {
-  int32x4_t y = b;
-  uint32x4_t bound = vdupq_n_u32(32);
-  uint32x4_t z = vminq_u32(vreinterpretq_u32_s32(y), bound);
-  return vshlq_s32(a, vreinterpretq_s32_u32(z));
-}
-
-template <>
-Vectorized<int16_t> inline operator<<(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& b) {
-  int16x8_t y = b;
-  uint16x8_t bound = vdupq_n_u16(16);
-  uint16x8_t z = vminq_u16(vreinterpretq_u16_s16(y), bound);
-  return vshlq_s16(a, vreinterpretq_s16_u16(z));
-}
-
-template <>
-Vectorized<int8_t> inline operator<<(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& b) {
-  int8x16_t y = b;
-  uint8x16_t bound = vdupq_n_u8(8);
-  int8x16_t z = vreinterpretq_s8_u8(vminq_u8(vreinterpretq_u8_s8(y), bound));
-  return vshlq_s8(a, z);
-}
-
-inline Vectorized<int64_t> Vectorized<int64_t>::set(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& b,
-    int64_t count) {
-  if (count == 0) {
-    return a;
-  } else if (count >= 2) {
-    return b;
-  } else {
-    int64x2_t c = {b.values[0], a.values[1]};
-    return c;
-  }
-}
-
-inline Vectorized<int32_t> Vectorized<int32_t>::set(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& b,
-    int64_t count) {
-  if (count == 0) {
-    return a;
-  } else if (count >= 4) {
-    return b;
-  } else {
-    // Build an array of flags: each bit of element is 1 if the corresponding
-    // bit in 'mask' is set, 0 otherwise.
-    uint32x4_t maskArray = {
-        (count >= 1LL) ? 0xFFFFFFFF : 0,
-        (count >= 2LL) ? 0xFFFFFFFF : 0,
-        (count >= 3LL) ? 0xFFFFFFFF : 0,
-        0};
-    // Use BSL to select elements from b where the mask is 1, else from a
-    return vbslq_s32(maskArray, b.values, a.values);
-  }
-}
-
-inline Vectorized<int16_t> Vectorized<int16_t>::set(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& b,
-    int64_t count) {
-  if (count == 0) {
-    return a;
-  } else if (count >= 8) {
-    return b;
-  } else {
-    // Build an array of flags: each bit of element is 1 if the corresponding
-    // bit in 'mask' is set, 0 otherwise.
-    uint16x8_t maskArray = {
-        static_cast<uint16_t>((count >= 1LL) ? 0xFFFF : 0),
-        static_cast<uint16_t>((count >= 2LL) ? 0xFFFF : 0),
-        static_cast<uint16_t>((count >= 3LL) ? 0xFFFF : 0),
-        static_cast<uint16_t>((count >= 4LL) ? 0xFFFF : 0),
-        static_cast<uint16_t>((count >= 5LL) ? 0xFFFF : 0),
-        static_cast<uint16_t>((count >= 6LL) ? 0xFFFF : 0),
-        static_cast<uint16_t>((count >= 7LL) ? 0xFFFF : 0),
-        0};
-    // Use BSL to select elements from b where the mask is 1, else from a
-    return vbslq_s16(maskArray, b.values, a.values);
-  }
-}
-
-inline Vectorized<int8_t> Vectorized<int8_t>::set(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& b,
-    int64_t count) {
-  if (count == 0) {
-    return a;
-  } else if (count >= 16) {
-    return b;
-  } else {
-    // Build an array of flags: each bit of element is 1 if the corresponding
-    // bit in 'mask' is set, 0 otherwise.
-    uint8x16_t maskArray = {
-        static_cast<uint8_t>((count >= 1LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 2LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 3LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 4LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 5LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 6LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 7LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 8LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 9LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 10LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 11LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 12LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 13LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 14LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 15LL) ? 0xFF : 0),
-        0};
-
-    // Use BSL to select elements from b where the mask is 1, else from a
-    return vbslq_s8(maskArray, b.values, a.values);
-  }
-}
-
-template <>
-Vectorized<int16_t> inline operator/(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& b) {
-  Vectorized<int32_t> highBitsA = vmovl_high_s16(a);
-  Vectorized<int32_t> highBitsB = vmovl_high_s16(b);
-  Vectorized<int32_t> lowBitsA = vmovl_s16(vget_low_s16(a));
-  Vectorized<int32_t> lowBitsB = vmovl_s16(vget_low_s16(b));
-  int32x4_t highBitsResult = highBitsA / highBitsB;
-  int32x4_t lowBitsResult = lowBitsA / lowBitsB;
-  return vuzp1q_s16(
-      vreinterpretq_s16_s32(lowBitsResult),
-      vreinterpretq_s16_s32(highBitsResult));
-}
-
-template <>
-Vectorized<int8_t> inline operator/(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& b) {
-  Vectorized<int16_t> highBitsA = vmovl_high_s8(a);
-  Vectorized<int16_t> highBitsB = vmovl_high_s8(b);
-  Vectorized<int16_t> lowBitsA = vmovl_s8(vget_low_s8(a));
-  Vectorized<int16_t> lowBitsB = vmovl_s8(vget_low_s8(b));
-  int16x8_t highBitsResult = highBitsA / highBitsB;
-  int16x8_t lowBitsResult = lowBitsA / lowBitsB;
-  return vuzp1q_s8(
-      vreinterpretq_s8_s16(lowBitsResult),
-      vreinterpretq_s8_s16(highBitsResult));
-}
-
-template <>
-Vectorized<int64_t> inline clamp(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& min,
-    const Vectorized<int64_t>& max) {
-  return minimum(max, maximum(min, a));
-}
-
-template <>
-Vectorized<int32_t> inline clamp(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& min,
-    const Vectorized<int32_t>& max) {
-  return minimum(max, maximum(min, a));
-}
-
-template <>
-Vectorized<int16_t> inline clamp(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& min,
-    const Vectorized<int16_t>& max) {
-  return minimum(max, maximum(min, a));
-}
-
-template <>
-Vectorized<int8_t> inline clamp(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& min,
-    const Vectorized<int8_t>& max) {
-  return minimum(max, maximum(min, a));
-}
-
-template <>
-Vectorized<int64_t> inline clamp_max(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& max) {
-  return minimum(max, a);
-}
-
-template <>
-Vectorized<int32_t> inline clamp_max(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& max) {
-  return minimum(max, a);
-}
-
-template <>
-Vectorized<int16_t> inline clamp_max(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& max) {
-  return minimum(max, a);
-}
-
-template <>
-Vectorized<int8_t> inline clamp_max(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& max) {
-  return minimum(max, a);
-}
-
-template <>
-Vectorized<int64_t> inline clamp_min(
-    const Vectorized<int64_t>& a,
-    const Vectorized<int64_t>& min) {
-  return maximum(min, a);
-}
-
-template <>
-Vectorized<int32_t> inline clamp_min(
-    const Vectorized<int32_t>& a,
-    const Vectorized<int32_t>& min) {
-  return maximum(min, a);
-}
-
-template <>
-Vectorized<int16_t> inline clamp_min(
-    const Vectorized<int16_t>& a,
-    const Vectorized<int16_t>& min) {
-  return maximum(min, a);
-}
-
-template <>
-Vectorized<int8_t> inline clamp_min(
-    const Vectorized<int8_t>& a,
-    const Vectorized<int8_t>& min) {
-  return maximum(min, a);
-}
-
-} // namespace CPU_CAPABILITY
-} // namespace at::vec

aten/src/ATen/cpu/vec/vec128/vec128_uint_aarch64.h

@@ -1,378 +0,0 @@
-#pragma once
-
-#include <ATen/cpu/vec/intrinsics.h>
-#include <ATen/cpu/vec/vec_base.h>
-#include <c10/macros/Macros.h>
-#include <c10/util/irange.h>
-
-namespace at::vec {
-// Note [CPU_CAPABILITY namespace]
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-// This header, and all of its subheaders, will be compiled with
-// different architecture flags for each supported set of vector
-// intrinsics. So we need to make sure they aren't inadvertently
-// linked together. We do this by declaring objects in an `inline
-// namespace` which changes the name mangling, but can still be
-// accessed as `at::vec`.
-inline namespace CPU_CAPABILITY {
-
-#define VEC_UINT_NEON_TEMPLATE(vl, bit)                                       \
-  template <>                                                                 \
-  struct is_vec_specialized_for<uint##bit##_t> : std::bool_constant<true> {}; \
-                                                                              \
-  template <>                                                                 \
-  class Vectorized<uint##bit##_t> {                                           \
-    using neon_type = uint##bit##x##vl##_t;                                   \
-                                                                              \
-   private:                                                                   \
-    neon_type values;                                                         \
-                                                                              \
-   public:                                                                    \
-    using value_type = uint##bit##_t;                                         \
-    using size_type = int;                                                    \
-    static constexpr size_type size() {                                       \
-      return vl;                                                              \
-    }                                                                         \
-    Vectorized() {                                                            \
-      values = vdupq_n_u##bit(0);                                             \
-    }                                                                         \
-    Vectorized(neon_type v) : values(v) {}                                    \
-    Vectorized(uint##bit##_t val);                                            \
-    template <                                                                \
-        typename... Args,                                                     \
-        typename = std::enable_if_t<(sizeof...(Args) == size())>>             \
-    Vectorized(Args... vals) {                                                \
-      __at_align__ uint##bit##_t buffer[size()] = {vals...};                  \
-      values = vld1q_u##bit(buffer);                                          \
-    }                                                                         \
-    operator neon_type() const {                                              \
-      return values;                                                          \
-    }                                                                         \
-    static Vectorized<uint##bit##_t> loadu(                                   \
-        const void* ptr,                                                      \
-        uint64_t count = size());                                             \
-    void store(void* ptr, uint64_t count = size()) const;                     \
-    template <uint64_t mask>                                                  \
-    static Vectorized<uint##bit##_t> blend(                                   \
-        const Vectorized<uint##bit##_t>& a,                                   \
-        const Vectorized<uint##bit##_t>& b);                                  \
-    static Vectorized<uint##bit##_t> blendv(                                  \
-        const Vectorized<uint##bit##_t>& a,                                   \
-        const Vectorized<uint##bit##_t>& b,                                   \
-        const Vectorized<uint##bit##_t>& mask_) {                             \
-      return vbslq_u##bit(mask_.values, b, a);                                \
-    }                                                                         \
-    template <typename step_t>                                                \
-    static Vectorized<uint##bit##_t> arange(                                  \
-        value_type base = 0,                                                  \
-        step_t step = static_cast<step_t>(1));                                \
-    static Vectorized<uint##bit##_t> set(                                     \
-        const Vectorized<uint##bit##_t>& a,                                   \
-        const Vectorized<uint##bit##_t>& b,                                   \
-        uint64_t count = size());                                             \
-    const uint##bit##_t& operator[](uint idx) const = delete;                 \
-    uint##bit##_t& operator[](uint idx) = delete;                             \
-    Vectorized<uint##bit##_t> abs() const {                                   \
-      return values;                                                          \
-    }                                                                         \
-    Vectorized<uint##bit##_t> real() const {                                  \
-      return values;                                                          \
-    }                                                                         \
-    Vectorized<uint##bit##_t> imag() const {                                  \
-      return vdupq_n_u##bit(0);                                               \
-    }                                                                         \
-    Vectorized<uint##bit##_t> conj() const {                                  \
-      return values;                                                          \
-    }                                                                         \
-    Vectorized<uint##bit##_t> neg() const {                                   \
-      return vreinterpretq_u##bit##_s##bit(                                   \
-          vnegq_s##bit(vreinterpretq_s##bit##_u##bit(values)));               \
-    }                                                                         \
-    uint##bit##_t reduce_add() const {                                        \
-      return vaddvq_u##bit(values);                                           \
-    }                                                                         \
-    uint##bit##_t reduce_max() const;                                         \
-    Vectorized<uint##bit##_t> operator==(                                     \
-        const Vectorized<uint##bit##_t>& other) const {                       \
-      return Vectorized<value_type>(vceqq_u##bit(values, other.values));      \
-    }                                                                         \
-    Vectorized<uint##bit##_t> operator!=(                                     \
-        const Vectorized<uint##bit##_t>& other) const;                        \
-    Vectorized<uint##bit##_t> operator<(                                      \
-        const Vectorized<uint##bit##_t>& other) const {                       \
-      return Vectorized<value_type>(vcltq_u##bit(values, other.values));      \
-    }                                                                         \
-    Vectorized<uint##bit##_t> operator<=(                                     \
-        const Vectorized<uint##bit##_t>& other) const {                       \
-      return Vectorized<value_type>(vcleq_u##bit(values, other.values));      \
-    }                                                                         \
-    Vectorized<uint##bit##_t> operator>(                                      \
-        const Vectorized<uint##bit##_t>& other) const {                       \
-      return Vectorized<value_type>(vcgtq_u##bit(values, other.values));      \
-    }                                                                         \
-    Vectorized<uint##bit##_t> operator>=(                                     \
-        const Vectorized<uint##bit##_t>& other) const {                       \
-      return Vectorized<value_type>(vcgeq_u##bit(values, other.values));      \
-    }                                                                         \
-    Vectorized<uint##bit##_t> eq(                                             \
-        const Vectorized<uint##bit##_t>& other) const;                        \
-    Vectorized<uint##bit##_t> ne(                                             \
-        const Vectorized<uint##bit##_t>& other) const;                        \
-    Vectorized<uint##bit##_t> gt(                                             \
-        const Vectorized<uint##bit##_t>& other) const;                        \
-    Vectorized<uint##bit##_t> ge(                                             \
-        const Vectorized<uint##bit##_t>& other) const;                        \
-    Vectorized<uint##bit##_t> lt(                                             \
-        const Vectorized<uint##bit##_t>& other) const;                        \
-    Vectorized<uint##bit##_t> le(                                             \
-        const Vectorized<uint##bit##_t>& other) const;                        \
-  };                                                                          \
-  template <>                                                                 \
-  Vectorized<uint##bit##_t> inline operator+(                                 \
-      const Vectorized<uint##bit##_t>& a,                                     \
-      const Vectorized<uint##bit##_t>& b) {                                   \
-    return vaddq_u##bit(a, b);                                                \
-  }                                                                           \
-  template <>                                                                 \
-  Vectorized<uint##bit##_t> inline operator-(                                 \
-      const Vectorized<uint##bit##_t>& a,                                     \
-      const Vectorized<uint##bit##_t>& b) {                                   \
-    return vsubq_u##bit(a, b);                                                \
-  }                                                                           \
-  template <>                                                                 \
-  Vectorized<uint##bit##_t> inline operator&(                                 \
-      const Vectorized<uint##bit##_t>& a,                                     \
-      const Vectorized<uint##bit##_t>& b) {                                   \
-    return vandq_u##bit(a, b);                                                \
-  }                                                                           \
-  template <>                                                                 \
-  Vectorized<uint##bit##_t> inline operator|(                                 \
-      const Vectorized<uint##bit##_t>& a,                                     \
-      const Vectorized<uint##bit##_t>& b) {                                   \
-    return vorrq_u##bit(a, b);                                                \
-  }                                                                           \
-  template <>                                                                 \
-  Vectorized<uint##bit##_t> inline operator^(                                 \
-      const Vectorized<uint##bit##_t>& a,                                     \
-      const Vectorized<uint##bit##_t>& b) {                                   \
-    return veorq_u##bit(a, b);                                                \
-  }                                                                           \
-  Vectorized<uint##bit##_t> inline Vectorized<uint##bit##_t>::eq(             \
-      const Vectorized<uint##bit##_t>& other) const {                         \
-    return (*this == other) & Vectorized<uint##bit##_t>(1);                   \
-  }                                                                           \
-  Vectorized<uint##bit##_t> inline Vectorized<uint##bit##_t>::ne(             \
-      const Vectorized<uint##bit##_t>& other) const {                         \
-    return (*this != other) & Vectorized<uint##bit##_t>(1);                   \
-  }                                                                           \
-  Vectorized<uint##bit##_t> inline Vectorized<uint##bit##_t>::gt(             \
-      const Vectorized<uint##bit##_t>& other) const {                         \
-    return (*this > other) & Vectorized<uint##bit##_t>(1);                    \
-  }                                                                           \
-  Vectorized<uint##bit##_t> inline Vectorized<uint##bit##_t>::ge(             \
-      const Vectorized<uint##bit##_t>& other) const {                         \
-    return (*this >= other) & Vectorized<uint##bit##_t>(1);                   \
-  }                                                                           \
-  Vectorized<uint##bit##_t> inline Vectorized<uint##bit##_t>::lt(             \
-      const Vectorized<uint##bit##_t>& other) const {                         \
-    return (*this < other) & Vectorized<uint##bit##_t>(1);                    \
-  }                                                                           \
-  Vectorized<uint##bit##_t> inline Vectorized<uint##bit##_t>::le(             \
-      const Vectorized<uint##bit##_t>& other) const {                         \
-    return (*this <= other) & Vectorized<uint##bit##_t>(1);                   \
-  }
-
-VEC_UINT_NEON_TEMPLATE(16, 8)
-
-inline uint8_t Vectorized<uint8_t>::reduce_max() const {
-  return vmaxvq_u8(values);
-}
-
-template <>
-Vectorized<uint8_t> inline operator*(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& b) {
-  return vmulq_u8(a, b);
-}
-
-template <>
-inline Vectorized<uint8_t> operator~(const Vectorized<uint8_t>& a) {
-  return vmvnq_u8(a);
-}
-
-inline Vectorized<uint8_t> Vectorized<uint8_t>::operator!=(
-    const Vectorized<uint8_t>& other) const {
-  return ~(*this == other);
-}
-
-template <>
-Vectorized<uint8_t> inline minimum(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& b) {
-  return vminq_u8(a, b);
-}
-
-template <>
-Vectorized<uint8_t> inline maximum(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& b) {
-  return vmaxq_u8(a, b);
-}
-
-template <uint64_t mask>
-Vectorized<uint8_t> Vectorized<uint8_t>::blend(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& b) {
-  // Build an array of flags: each bit of element is 1 if the corresponding bit
-  // in 'mask' is set, 0 otherwise.
-  uint8x16_t maskArray = {
-      (mask & 1LL) ? 0xFF : 0,
-      (mask & 2LL) ? 0xFF : 0,
-      (mask & 4LL) ? 0xFF : 0,
-      (mask & 8LL) ? 0xFF : 0,
-      (mask & 16LL) ? 0xFF : 0,
-      (mask & 32LL) ? 0xFF : 0,
-      (mask & 64LL) ? 0xFF : 0,
-      (mask & 128LL) ? 0xFF : 0,
-      (mask & 256LL) ? 0xFF : 0,
-      (mask & 512LL) ? 0xFF : 0,
-      (mask & 1024LL) ? 0xFF : 0,
-      (mask & 2048LL) ? 0xFF : 0,
-      (mask & 4096LL) ? 0xFF : 0,
-      (mask & 8192LL) ? 0xFF : 0,
-      (mask & 16384LL) ? 0xFF : 0,
-      (mask & 32768LL) ? 0xFF : 0};
-  // Use BSL to select elements from b where the mask is 1, else from a
-  return vbslq_u8(maskArray, b.values, a.values);
-}
-
-#define VEC_UINT_NEON_OPS(vl, bit)                                             \
-  inline Vectorized<uint##bit##_t>::Vectorized(uint##bit##_t val) {            \
-    values = vdupq_n_u##bit(val);                                              \
-  }                                                                            \
-  inline Vectorized<uint##bit##_t> Vectorized<uint##bit##_t>::loadu(           \
-      const void* ptr, uint64_t count) {                                       \
-    if (count == size()) {                                                     \
-      return vld1q_u##bit(reinterpret_cast<const uint##bit##_t*>(ptr));        \
-    } else {                                                                   \
-      __at_align__ uint##bit##_t tmp_values[size()];                           \
-      for (const auto i : c10::irange(size())) {                               \
-        tmp_values[i] = 0;                                                     \
-      }                                                                        \
-      std::memcpy(                                                             \
-          tmp_values,                                                          \
-          reinterpret_cast<const uint##bit##_t*>(ptr),                         \
-          count * sizeof(uint##bit##_t));                                      \
-      return vld1q_u##bit(reinterpret_cast<const uint##bit##_t*>(tmp_values)); \
-    }                                                                          \
-  }                                                                            \
-  inline void Vectorized<uint##bit##_t>::store(void* ptr, uint64_t count)      \
-      const {                                                                  \
-    if (count == size()) {                                                     \
-      vst1q_u##bit(reinterpret_cast<uint##bit##_t*>(ptr), values);             \
-    } else {                                                                   \
-      uint##bit##_t tmp_values[size()];                                        \
-      vst1q_u##bit(reinterpret_cast<uint##bit##_t*>(tmp_values), values);      \
-      std::memcpy(ptr, tmp_values, count * sizeof(uint##bit##_t));             \
-    }                                                                          \
-  }
-
-VEC_UINT_NEON_OPS(16, 8)
-
-template <typename step_t>
-inline Vectorized<uint8_t> Vectorized<uint8_t>::arange(
-    uint8_t base,
-    step_t step) {
-  const Vectorized<uint8_t> base_vec(base);
-  const Vectorized<uint8_t> step_vec(step);
-  const uint8x16_t step_sizes = {
-      0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
-  return vmlaq_u8(base_vec, step_sizes, step_vec);
-}
-
-template <>
-Vectorized<uint8_t> inline operator>>(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& b) {
-  uint8x16_t x = a;
-  uint8x16_t bound = vdupq_n_u8(8);
-  uint8x16_t z = vminq_u8(b, bound);
-  return x >> z;
-}
-
-template <>
-Vectorized<uint8_t> inline operator<<(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& b) {
-  uint8x16_t bound = vdupq_n_u8(8);
-  uint8x16_t z = vminq_u8(b, bound);
-  return vshlq_u8(a, vreinterpretq_s8_u8(z));
-}
-
-inline Vectorized<uint8_t> Vectorized<uint8_t>::set(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& b,
-    uint64_t count) {
-  if (count == 0) {
-    return a;
-  } else if (count >= 16) {
-    return b;
-  } else {
-    // Build an array of flags: each bit of element is 1 if the corresponding
-    // bit in 'mask' is set, 0 otherwise.
-    uint8x16_t maskArray = {
-        static_cast<uint8_t>((count >= 1LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 2LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 3LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 4LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 5LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 6LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 7LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 8LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 9LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 10LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 11LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 12LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 13LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 14LL) ? 0xFF : 0),
-        static_cast<uint8_t>((count >= 15LL) ? 0xFF : 0),
-        0};
-
-    // Use BSL to select elements from b where the mask is 1, else from a
-    return vbslq_u8(maskArray, b.values, a.values);
-  }
-}
-
-template <>
-Vectorized<uint8_t> inline operator/(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& b) {
-  uint8x16_t x = a;
-  uint8x16_t y = b;
-  return x / y;
-}
-
-template <>
-Vectorized<uint8_t> inline clamp(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& min,
-    const Vectorized<uint8_t>& max) {
-  return minimum(max, maximum(min, a));
-}
-
-template <>
-Vectorized<uint8_t> inline clamp_max(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& max) {
-  return minimum(max, a);
-}
-
-template <>
-Vectorized<uint8_t> inline clamp_min(
-    const Vectorized<uint8_t>& a,
-    const Vectorized<uint8_t>& min) {
-  return maximum(min, a);
-}
-
-} // namespace CPU_CAPABILITY
-} // namespace at::vec

aten/src/ATen/cpu/vec/vec256/vec256_qint.h

@@ -1377,7 +1377,7 @@ Vectorized<c10::quint8> inline maximum(
 #if (defined(__aarch64__) && !defined(CPU_CAPABILITY_SVE256))
 std::pair<Vectorized<float>, Vectorized<float>> inline convert_int8_to_float(
     at::vec::Vectorized<int8_t> src) {
-  auto s8x8 = vget_low_s8(src);
+  auto s8x8 = vld1_s8(src.operator const int8_t*());
   auto s16x8 = vmovl_s8(s8x8);
 
   auto s32x4_hi = vmovl_s16(vget_high_s16(s16x8));
@@ -1390,7 +1390,7 @@ std::pair<Vectorized<float>, Vectorized<float>> inline convert_int8_to_float(
 
 std::pair<Vectorized<float>, Vectorized<float>> inline convert_int8_to_float(
     at::vec::Vectorized<uint8_t> src) {
-  auto u8x8 = vget_low_u8(src);
+  auto u8x8 = vld1_u8(src.operator const uint8_t*());
   auto u16x8 = vmovl_u8(u8x8);
   auto u32x4_hi = vmovl_u16(vget_high_u16(u16x8));
   auto u32x4_lo = vmovl_u16(vget_low_u16(u16x8));
@@ -1402,7 +1402,7 @@ std::pair<Vectorized<float>, Vectorized<float>> inline convert_int8_to_float(
 
 Vectorized<float> inline convert_int8_half_register_to_float(
     at::vec::Vectorized<int8_t> src) {
-  auto s8x8 = vget_low_s8(src);
+  auto s8x8 = vld1_s8(src.operator const int8_t*());
   auto s16x8 = vmovl_s8(s8x8);
 
   auto s32x4_lo = vmovl_s16(vget_low_s16(s16x8));
@@ -1412,7 +1412,7 @@ Vectorized<float> inline convert_int8_half_register_to_float(
 
 Vectorized<float> inline convert_int8_half_register_to_float(
     at::vec::Vectorized<uint8_t> src) {
-  auto u8x8 = vget_low_u8(src);
+  auto u8x8 = vld1_u8(src.operator const uint8_t*());
   auto u16x8 = vmovl_u8(u8x8);
   auto u32x4_lo = vmovl_u16(vget_low_u16(u16x8));
 

aten/src/ATen/cuda/CUDABlas.cpp

@@ -16,8 +16,6 @@
 #include <c10/util/irange.h>
 #include <c10/core/ScalarType.h>
 
-#include <ATen/cuda/detail/BLASConstants.h>
-
 #ifdef USE_ROCM
 #include <c10/cuda/CUDAStream.h>
 #include <hipblaslt/hipblaslt-ext.hpp>
@@ -1956,15 +1954,13 @@ void scaled_gemm(
     const void *result_scale_ptr,
     int64_t result_ld,
     ScalarType result_dtype,
-    bool use_fast_accum,
-    const std::optional<Tensor>& alpha) {
+    bool use_fast_accum) {
   // Note: see `cublasCommonArgs` for various non-intuitive manupulations
   // of input arguments to this function.
   const auto computeType = CUBLAS_COMPUTE_32F;
   const auto scaleType = CUDA_R_32F;
-  // Note: alpha_val may change later depending on user-passed argument
-  float alpha_val = 1.0;
-  float beta_val = 0.0;
+  const float alpha_val = 1.0;
+  const float beta_val = 0.0;
   CuBlasLtMatmulDescriptor computeDesc(computeType, scaleType);
   computeDesc.setAttribute(CUBLASLT_MATMUL_DESC_TRANSA, _cublasOpFromChar(transa));
   computeDesc.setAttribute(CUBLASLT_MATMUL_DESC_TRANSB, _cublasOpFromChar(transb));
@@ -2035,33 +2031,6 @@ void scaled_gemm(
     computeDesc.setAttribute(CUBLASLT_MATMUL_DESC_EPILOGUE, CUBLASLT_EPILOGUE_BIAS);
     computeDesc.setAttribute(CUBLASLT_MATMUL_DESC_BIAS_DATA_TYPE, ScalarTypeToCudaDataType(bias_dtype));
   }
-
-  // Handle user-passed alpha
-  float *alpha_ptr = &alpha_val;
-  float *beta_ptr = &beta_val;
-
-  if (alpha.has_value()) {
-    auto& a = alpha.value();
-
-    // if device-tensor
-    if (a.is_cuda()) {
-      // NOTE: there are lifetime requirements on device-side pointers for alpha/beta -- the value must be
-      //       valid & correct until the cublas call finishes (not is scheduled like host-side values). Thus
-      //       we need to use allocations for alpha/beta that have some guarantees on lifetime - a statically
-      //       managed 4B buffer for alpha that we'll copy the passed alpha value into, and constant memory
-      //       for beta respectively.
-      float *user_alpha_ptr = at::cuda::detail::get_user_alpha_ptr();
-      at::Tensor user_alpha = at::from_blob(user_alpha_ptr, {1}, TensorOptions().device(kCUDA).dtype(kFloat));
-      user_alpha.copy_(a);
-      // Tell cublasLt we're using device-side pointers for alpha/beta
-      auto pointer_mode = CUBLASLT_POINTER_MODE_DEVICE;
-      computeDesc.setAttribute(CUBLASLT_MATMUL_DESC_POINTER_MODE, pointer_mode);
-      alpha_ptr = user_alpha.data_ptr<float>();
-      beta_ptr = at::cuda::detail::get_cublas_device_zero();
-    } else {
-      alpha_val = a.item<float>();
-    }
-  }
     // For other data types, use the get_scale_mode function based on scaling type
     // The SCALE_MODE attrs only exist in cuBLAS 12.8+/ROCm 7.0 or in recent hipblaslt,
     // but we must invoke get_scale_mode anyways to trigger the version checks.
@@ -2079,7 +2048,6 @@ void scaled_gemm(
   cublasLtMatmulHeuristicResult_t heuristicResult = {};
   int returnedResult = 0;
   cublasLtHandle_t ltHandle = at::cuda::getCurrentCUDABlasLtHandle();
-
   TORCH_CUDABLAS_CHECK(cublasLtMatmulAlgoGetHeuristic(
       ltHandle,
       computeDesc.descriptor(),
@@ -2120,10 +2088,10 @@ void scaled_gemm(
         auto is_valid_status = hipblaslt_ext::matmulIsAlgoSupported(
                 ltHandle,
                 computeDesc.descriptor(),
-                alpha_ptr,
+                &alpha_val,
                 Adesc.descriptor(),
                 Bdesc.descriptor(),
-                beta_ptr,
+                &beta_val,
                 Cdesc.descriptor(),
                 Ddesc.descriptor(),
                 all_algos[i].algo,
@@ -2142,14 +2110,17 @@ void scaled_gemm(
   cublasStatus_t cublasStatus = cublasLtMatmul(
       ltHandle,
       computeDesc.descriptor(),
-      alpha_ptr,
+      &alpha_val,
       mat1_ptr,
       Adesc.descriptor(),
       mat2_ptr,
       Bdesc.descriptor(),
-      beta_ptr,
-      // NOTE: always use result_ptr here, because cuBLASLt w/device beta=0 can't handle nullptr either
+      &beta_val,
+#ifdef USE_ROCM
       result_ptr, // unused, since beta_val is 0, but hipblaslt can't handle nullptr
+#else
+      nullptr,
+#endif // ifdef USE_ROCM
       Cdesc.descriptor(),
       result_ptr,
       Ddesc.descriptor(),

aten/src/ATen/cuda/CUDABlas.h

@@ -161,8 +161,7 @@ void scaled_gemm(
     const void* result_scale_ptr,
     int64_t result_ld,
     ScalarType result_dtype,
-    bool use_fast_accum,
-    const std::optional<Tensor>& alpha);
+    bool use_fast_accum);
 
 #define CUDABLAS_BGEMM_ARGTYPES(Dtype)  CUDABLAS_BGEMM_ARGTYPES_AND_C_DTYPE(Dtype, Dtype)
 

aten/src/ATen/cuda/CUDAGeneratorImpl.cpp

@@ -325,9 +325,9 @@ uint64_t CUDAGeneratorImpl::seed() {
  */
 c10::intrusive_ptr<c10::TensorImpl> CUDAGeneratorImpl::get_state() const {
   // The RNG state comprises the seed, and an offset used for Philox.
-  constexpr size_t seed_size = sizeof(uint64_t);
-  constexpr size_t offset_size = sizeof(int64_t);
-  constexpr size_t total_size = seed_size + offset_size;
+  static const size_t seed_size = sizeof(uint64_t);
+  static const size_t offset_size = sizeof(int64_t);
+  static const size_t total_size = seed_size + offset_size;
 
   auto state_tensor = at::detail::empty_cpu({(int64_t)total_size}, ScalarType::Byte, std::nullopt, std::nullopt, std::nullopt, std::nullopt);
   auto rng_state = state_tensor.data_ptr<uint8_t>();
@@ -346,9 +346,9 @@ c10::intrusive_ptr<c10::TensorImpl> CUDAGeneratorImpl::get_state() const {
  * and size of the internal state.
  */
 void CUDAGeneratorImpl::set_state(const c10::TensorImpl& new_state) {
-  constexpr size_t seed_size = sizeof(uint64_t);
-  constexpr size_t offset_size = sizeof(int64_t);
-  constexpr size_t total_size = seed_size + offset_size;
+  static const size_t seed_size = sizeof(uint64_t);
+  static const size_t offset_size = sizeof(int64_t);
+  static const size_t total_size = seed_size + offset_size;
 
   detail::check_rng_state(new_state);
 

aten/src/ATen/cuda/CUDAGreenContext.cpp

@@ -1,192 +0,0 @@
-#include <ATen/cuda/CUDAGreenContext.h>
-
-namespace at::cuda {
-  GreenContext::GreenContext(uint32_t device_id, uint32_t num_sms) {
-#if CUDA_HAS_GREEN_CONTEXT
-    int driver_version;
-    C10_CUDA_CHECK(cudaDriverGetVersion(&driver_version));
-    TORCH_CHECK(
-        driver_version >= 12080, "cuda driver too old to use green context!");
-    CUcontext pctx = nullptr;
-    C10_CUDA_DRIVER_CHECK(c10::cuda::DriverAPI::get()->cuCtxGetCurrent_(&pctx));
-    if (C10_UNLIKELY(!pctx)) {
-      TORCH_WARN(
-          "Attempted to create a green context but"
-          " there was no primary context! Creating a primary context...");
-
-      cudaFree(0);
-    }
-
-    CUdevice device;
-    device_id_ = device_id;
-    C10_CUDA_DRIVER_CHECK(
-        c10::cuda::DriverAPI::get()->cuDeviceGet_(&device, device_id));
-
-    // Get device resources
-    CUdevResource device_resource;
-    C10_CUDA_DRIVER_CHECK(c10::cuda::DriverAPI::get()->cuDeviceGetDevResource_(
-        device, &device_resource, CU_DEV_RESOURCE_TYPE_SM));
-
-    // Split resources
-    std::vector<CUdevResource> result(1);
-    auto result_data = result.data();
-    unsigned int nb_groups = 1;
-    CUdevResource remaining;
-
-    C10_CUDA_DRIVER_CHECK(
-        c10::cuda::DriverAPI::get()->cuDevSmResourceSplitByCount_(
-            result_data,
-            &nb_groups,
-            &device_resource,
-            &remaining,
-            0, // default flags
-            num_sms));
-
-    TORCH_CHECK(nb_groups == 1, "Failed to create single resource group");
-
-    // Generate resource descriptor
-    CUdevResourceDesc desc;
-    C10_CUDA_DRIVER_CHECK(
-        c10::cuda::DriverAPI::get()->cuDevResourceGenerateDesc_(
-            &desc, result_data, 1));
-
-    // Create green context
-    // CU_GREEN_CTX_DEFAULT_STREAM is required per docs:
-    // https://docs.nvidia.com/cuda/cuda-driver-api/group__CUDA__GREEN__CONTEXTS.html
-    C10_CUDA_DRIVER_CHECK(c10::cuda::DriverAPI::get()->cuGreenCtxCreate_(
-        &green_ctx_, desc, device, CU_GREEN_CTX_DEFAULT_STREAM));
-
-    // Convert to regular context
-    C10_CUDA_DRIVER_CHECK(
-        c10::cuda::DriverAPI::get()->cuCtxFromGreenCtx_(&context_, green_ctx_));
-    TORCH_CHECK(context_, "Green ctx conversion to regular ctx failed!");
-#else
-    TORCH_CHECK(false, "Green Context is only supported on CUDA 12.8+!");
-#endif
-  }
-
-  std::unique_ptr<GreenContext> GreenContext::create(
-      uint32_t num_sms,
-      std::optional<uint32_t> device_id) {
-#if CUDA_HAS_GREEN_CONTEXT
-    if (!device_id.has_value()) {
-      device_id = at::cuda::current_device();
-    }
-    return std::make_unique<GreenContext>(device_id.value(), num_sms);
-#else
-    TORCH_CHECK(false, "Green Context is only supported on CUDA 12.8+!");
-#endif
-  }
-
-  // Implement move operations
-  GreenContext::GreenContext(GreenContext&& other) noexcept{
-#if CUDA_HAS_GREEN_CONTEXT
-    device_id_ = std::exchange(other.device_id_, -1);
-    green_ctx_ = std::exchange(other.green_ctx_, nullptr);
-    context_ = std::exchange(other.context_, nullptr);
-    parent_stream_ = std::exchange(other.parent_stream_, nullptr);
-#else
-    TORCH_CHECK(false, "Green Context is only supported on CUDA 12.8+!");
-#endif
-  }
-
-  GreenContext& GreenContext::operator=(GreenContext&& other) noexcept{
-#if CUDA_HAS_GREEN_CONTEXT
-    if (this != &other) {
-      // Clean up current resources
-      if (green_ctx_) {
-        CUcontext current = nullptr;
-        C10_CUDA_DRIVER_CHECK(
-            c10::cuda::DriverAPI::get()->cuCtxGetCurrent_(&current));
-        if (current == context_) {
-          TORCH_CHECK(
-              false,
-              "attempting to overwrite current green ctx "
-              "when it is active!");
-        }
-        C10_CUDA_DRIVER_CHECK(c10::cuda::DriverAPI::get()->cuGreenCtxDestroy_(green_ctx_));
-      }
-
-      // Take ownership of other's resources
-      device_id_ = std::exchange(other.device_id_, -1);
-      green_ctx_ = std::exchange(other.green_ctx_, nullptr);
-      context_ = std::exchange(other.context_, nullptr);
-      parent_stream_ = std::exchange(other.parent_stream_, nullptr);
-    }
-    return *this;
-#else
-    TORCH_CHECK(false, "Green Context is only supported on CUDA 12.8+!");
-#endif
-  }
-
-  GreenContext::~GreenContext() noexcept{
-#if CUDA_HAS_GREEN_CONTEXT
-    C10_CUDA_DRIVER_CHECK(
-        c10::cuda::DriverAPI::get()->cuGreenCtxDestroy_(green_ctx_));
-#else
-    TORCH_CHECK(false, "Green Context is only supported on CUDA 12.8+!");
-#endif
-  }
-
-  // Get the underlying CUDA context
-  CUcontext GreenContext::getContext() const {
-#if CUDA_HAS_GREEN_CONTEXT
-    return context_;
-#else
-    TORCH_CHECK(false, "Green Context is only supported on CUDA 12.8+!");
-#endif
-  }
-
-  // Get the underlying green context
-#if CUDA_HAS_GREEN_CONTEXT
-  CUgreenCtx GreenContext::getGreenContext() const {
-    return green_ctx_;
-  }
-#endif
-
-  // Make this context current
-  void GreenContext::setContext() {
-#if CUDA_HAS_GREEN_CONTEXT
-    auto current_stream = c10::cuda::getCurrentCUDAStream();
-    parent_stream_ = current_stream.stream();
-
-    at::cuda::CUDAEvent ev;
-    ev.record(current_stream);
-
-    CUcontext current = nullptr;
-    C10_CUDA_DRIVER_CHECK(
-        c10::cuda::DriverAPI::get()->cuCtxGetCurrent_(&current));
-    if (!current) {
-      C10_CUDA_DRIVER_CHECK(
-          c10::cuda::DriverAPI::get()->cuCtxSetCurrent_(context_));
-    } else {
-      C10_CUDA_DRIVER_CHECK(
-          c10::cuda::DriverAPI::get()->cuCtxPushCurrent_(context_));
-    }
-    // currently hardcodes the new green context to use the default stream
-    // TODO(eqy): consider creating a new stream if e.g., it allows interop
-    // with CUDA Graph captures etc.
-    auto default_stream = c10::cuda::getDefaultCUDAStream();
-    ev.block(default_stream);
-    c10::cuda::setCurrentCUDAStream(default_stream);
-#else
-    TORCH_CHECK(false, "Green Context is only supported on CUDA 12.8+!");
-#endif
-  }
-
-  void GreenContext::popContext() {
-#if CUDA_HAS_GREEN_CONTEXT
-    // see above note about stream being hardcoded to the default stream
-    at::cuda::CUDAEvent ev;
-    ev.record(c10::cuda::getCurrentCUDAStream());
-    CUcontext popped;
-    C10_CUDA_DRIVER_CHECK(
-        c10::cuda::DriverAPI::get()->cuCtxPopCurrent_(&popped));
-    TORCH_INTERNAL_ASSERT(
-        popped == context_, "expected popped context to be the current ctx");
-    ev.block(c10::cuda::getStreamFromExternal(parent_stream_, device_id_));
-#else
-    TORCH_CHECK(false, "Green Context is only supported on CUDA 12.8+!");
-#endif
-  }
-} // namespace at::cuda

aten/src/ATen/cuda/CUDAGreenContext.h

@@ -1,53 +0,0 @@
-#pragma once
-#include <ATen/cuda/CUDAEvent.h>
-
-#if defined(CUDA_VERSION) && !defined(USE_ROCM) && defined(PYTORCH_C10_DRIVER_API_SUPPORTED)
-#include <c10/cuda/driver_api.h>
-#include <cuda.h>
-#include <memory>
-#include <stdexcept>
-#include <vector>
-#define CUDA_HAS_GREEN_CONTEXT 1
-#else
-#define CUDA_HAS_GREEN_CONTEXT 0
-#endif
-
-namespace at::cuda {
-
-class TORCH_CUDA_CPP_API GreenContext {
- public:
-  GreenContext(uint32_t device_id, uint32_t num_sms);
-
-  static std::unique_ptr<GreenContext> create(uint32_t num_sms, std::optional<uint32_t> device_id);
-
-  // Delete copy constructor and assignment
-  GreenContext(const GreenContext&) = delete;
-  GreenContext& operator=(const GreenContext&) = delete;
-
-  // Implement move operations
-  GreenContext(GreenContext&& other) noexcept;
-  GreenContext& operator=(GreenContext&& other) noexcept;
-  ~GreenContext() noexcept;
-
-  // Get the underlying CUDA context
-  CUcontext getContext() const;
-
-  // Get the underlying green context
-#if CUDA_HAS_GREEN_CONTEXT
-  CUgreenCtx getGreenContext() const;
-#endif
-
-  // Make this context current
-  void setContext();
-
-  void popContext();
-
- private:
-#if CUDA_HAS_GREEN_CONTEXT
-  int32_t device_id_ = -1;
-  CUgreenCtx green_ctx_ = nullptr;
-  CUcontext context_ = nullptr;
-  cudaStream_t parent_stream_ = nullptr;
-#endif
-};
-} // namespace at::cuda

aten/src/ATen/cuda/CachingHostAllocator.cpp

@@ -183,6 +183,11 @@ struct CUDACachingHostAllocatorImpl
     return true;
   }
 
+  bool pinned_use_background_threads() override {
+    return c10::cuda::CUDACachingAllocator::CUDAAllocatorConfig::
+        pinned_use_background_threads();
+  }
+
   EventPool::Event create_event_internal(DeviceIndex idx) {
     // Leak the event pool to avoid shutdown issue.
     static auto* event_pool = new EventPool();

aten/src/ATen/cuda/cub.cuh

@@ -70,7 +70,11 @@
 #define ATEN_CUB_MAXIMUM() NO_ROCM(at_cuda_detail)ROCM_HIPCUB(::cub)::Max()
 #endif
 
-#if defined(USE_ROCM)
+#if (!defined(USE_ROCM) && !CUB_SUPPORTS_NV_BFLOAT16()) || defined(USE_ROCM)
+
+#if !defined(USE_ROCM)
+namespace at_cuda_detail {
+#endif
 
 // backport https://github.com/NVIDIA/cub/pull/306 for c10::BFloat16
 
@@ -92,6 +96,10 @@ template <>
 struct ROCM_HIPCUB(cub)::NumericTraits<c10::BFloat16>:
        ROCM_HIPCUB(cub)::BaseTraits<ROCM_HIPCUB(cub)::FLOATING_POINT, true, false, unsigned short, c10::BFloat16> {};
 
+#if !defined(USE_ROCM)
+} // namespace at_cuda_detail
+#endif
+
 #endif
 
 #if !defined(USE_ROCM)
@@ -113,7 +121,7 @@ struct cuda_type<c10::Half> {
   using type = __half;
 };
 
-#if !defined(USE_ROCM)
+#if !defined(USE_ROCM) && CUB_SUPPORTS_NV_BFLOAT16()
 
 template<>
 struct cuda_type<c10::BFloat16> {
@@ -169,6 +177,7 @@ inline void segmented_sort_pairs(
   }
 }
 
+#if CUB_SUPPORTS_UNIQUE_BY_KEY()
 template <typename KeysInputIteratorT, typename ValuesInputIteratorT, typename ValuesOutputIteratorT, typename NumSelectedIteratorT>
 inline void unique_by_key(
   KeysInputIteratorT keys_in, ValuesInputIteratorT values_in,
@@ -184,6 +193,7 @@ inline void unique_by_key(
   CUB_WRAPPER(NO_ROCM(at_cuda_detail)::cub::DeviceSelect::UniqueByKey,
     keys_in, values_in, keys_out_, values_out, num_selected, num_input_items, c10::cuda::getCurrentCUDAStream());
 }
+#endif
 
 namespace impl {
 
@@ -195,6 +205,36 @@ __global__ void transform_vals(InputIteratorT1 a, InputIteratorT2 b, OutputItera
   *out = scan_op(static_cast<acc_t>(*a), static_cast<acc_t>(*b));
 }
 
+#if !CUB_SUPPORTS_FUTURE_VALUE()
+template<typename ValueT, typename InputIteratorT>
+struct chained_iterator {
+  using iterator_category = std::random_access_iterator_tag;
+  using difference_type   = std::ptrdiff_t;
+  using value_type        = ValueT;
+  using pointer           = ValueT*;
+  using reference         = ValueT&;
+
+  InputIteratorT iter;
+  ValueT *first;
+  difference_type offset = 0;
+
+  __device__ ValueT operator[](difference_type i) {
+    i +=  offset;
+    if (i == 0) {
+      return *first;
+    } else {
+      return ValueT(iter[i - 1]);
+    }
+  }
+  __device__ chained_iterator operator+(difference_type i) {
+    return chained_iterator{iter, first, i};
+  }
+  __device__ ValueT operator*() {
+    return (*this)[0];
+  }
+};
+#endif
+
 // even though cub is supposed to support tensors with int_max elements, in reality it doesn't,
 // so split at int_max/2
 constexpr int max_cub_size = std::numeric_limits<int>::max() / 2 + 1; // 2**30
@@ -239,6 +279,25 @@ inline void inclusive_scan(InputIteratorT input, OutputIteratorT output, ScanOpT
         first_elem_ptr,
         scan_op);
     C10_CUDA_KERNEL_LAUNCH_CHECK();
+#if !CUB_SUPPORTS_FUTURE_VALUE()
+    using ArgIndexInputIterator = NO_ROCM(at_cuda_detail)::cub::ArgIndexInputIterator<InputIteratorT>;
+    using tuple = typename ArgIndexInputIterator::value_type;
+    auto input_iter_transform = [=] __device__ (const tuple &x)->input_t  {
+      if (x.key == 0) {
+        return *first_elem_ptr;
+      } else {
+        return x.value;
+      }
+    };
+    auto input_ = ATEN_CUB_TRANSFORM_ITERATOR(input_t, decltype(input_iter_transform), ArgIndexInputIterator)(
+      ArgIndexInputIterator(input + i), input_iter_transform);
+    CUB_WRAPPER(NO_ROCM(at_cuda_detail)::cub::DeviceScan::InclusiveScan,
+        input_,
+        output + i,
+        scan_op,
+        size_cub,
+        at::cuda::getCurrentCUDAStream());
+#else
     CUB_WRAPPER(NO_ROCM(at_cuda_detail)::cub::DeviceScan::ExclusiveScan,
         input + i + 1,
         output + i,
@@ -246,6 +305,7 @@ inline void inclusive_scan(InputIteratorT input, OutputIteratorT output, ScanOpT
         ::at_cuda_detail::cub::FutureValue<input_t>(first_elem_ptr),
         size_cub,
         at::cuda::getCurrentCUDAStream());
+#endif
   }
 #endif
 }
@@ -497,6 +557,16 @@ inline void exclusive_scan(InputIteratorT input, OutputIteratorT output, ScanOpT
         first_elem_ptr,
         scan_op);
     C10_CUDA_KERNEL_LAUNCH_CHECK();
+#if !CUB_SUPPORTS_FUTURE_VALUE()
+    auto input_ = impl::chained_iterator<InitValueT, InputIteratorT>{
+      input + i, first_elem_ptr};
+    CUB_WRAPPER(NO_ROCM(at_cuda_detail)::cub::DeviceScan::InclusiveScan,
+        input_,
+        output + i,
+        scan_op,
+        size_cub,
+        at::cuda::getCurrentCUDAStream());
+#else
     CUB_WRAPPER(NO_ROCM(at_cuda_detail)::cub::DeviceScan::ExclusiveScan,
         input + i,
         output + i,
@@ -504,10 +574,12 @@ inline void exclusive_scan(InputIteratorT input, OutputIteratorT output, ScanOpT
         ::at_cuda_detail::cub::FutureValue<InitValueT>(first_elem_ptr),
         size_cub,
         at::cuda::getCurrentCUDAStream());
+#endif
   }
 #endif
 }
 
+#if CUB_SUPPORTS_SCAN_BY_KEY()
 
 template <typename KeysInputIteratorT, typename ValuesInputIteratorT, typename ValuesOutputIteratorT>
 inline void inclusive_sum_by_key(KeysInputIteratorT keys, ValuesInputIteratorT input, ValuesOutputIteratorT output, int64_t num_items) {
@@ -535,6 +607,7 @@ inline void inclusive_scan_by_key(KeysInputIteratorT keys, ValuesInputIteratorT
 #endif
 }
 
+#endif
 
 template <typename InputIteratorT, typename OutputIteratorT, typename NumSelectedIteratorT>
 void unique(InputIteratorT input, OutputIteratorT output,

aten/src/ATen/cuda/cub_definitions.cuh

@@ -10,6 +10,14 @@
 #define CUB_VERSION 200001
 #endif
 
+// cub sort support for __nv_bfloat16 is added to cub 1.13 in:
+// https://github.com/NVIDIA/cub/pull/306
+#if CUB_VERSION >= 101300
+#define CUB_SUPPORTS_NV_BFLOAT16() true
+#else
+#define CUB_SUPPORTS_NV_BFLOAT16() false
+#endif
+
 // cub support for CUB_WRAPPED_NAMESPACE is added to cub 1.13.1 in:
 // https://github.com/NVIDIA/cub/pull/326
 // CUB_WRAPPED_NAMESPACE is defined globally in cmake/Dependencies.cmake
@@ -20,6 +28,30 @@
 #define USE_GLOBAL_CUB_WRAPPED_NAMESPACE() false
 #endif
 
+// cub support for UniqueByKey is added to cub 1.16 in:
+// https://github.com/NVIDIA/cub/pull/405
+#if CUB_VERSION >= 101600
+#define CUB_SUPPORTS_UNIQUE_BY_KEY() true
+#else
+#define CUB_SUPPORTS_UNIQUE_BY_KEY() false
+#endif
+
+// cub support for scan by key is added to cub 1.15
+// in https://github.com/NVIDIA/cub/pull/376
+#if CUB_VERSION >= 101500
+#define CUB_SUPPORTS_SCAN_BY_KEY() 1
+#else
+#define CUB_SUPPORTS_SCAN_BY_KEY() 0
+#endif
+
+// cub support for cub::FutureValue is added to cub 1.15 in:
+// https://github.com/NVIDIA/cub/pull/305
+#if CUB_VERSION >= 101500
+#define CUB_SUPPORTS_FUTURE_VALUE() true
+#else
+#define CUB_SUPPORTS_FUTURE_VALUE() false
+#endif
+
 // There were many bc-breaking changes in major version release of CCCL v3.0.0
 // Please see https://nvidia.github.io/cccl/cccl/3.0_migration_guide.html
 #if CUB_VERSION >= 200800

aten/src/ATen/cuda/detail/BLASConstants.cu

@@ -1,54 +0,0 @@
-#include <ATen/Functions.h>
-#include <ATen/Tensor.h>
-#include <ATen/cuda/Exceptions.h>
-
-#include <mutex>
-
-namespace at {
-namespace cuda {
-namespace detail {
-
-__device__ __constant__ float cublas_one_device;
-__device__ __constant__ float cublas_zero_device;
-
-float *get_cublas_device_one() {
-  static c10::once_flag init_flag;
-
-  c10::call_once(init_flag, []() {
-    const float one = 1.f;
-    AT_CUDA_CHECK(cudaMemcpyToSymbol(cublas_one_device, &one, sizeof(float)));
-  });
-
-  float *ptr;
-  AT_CUDA_CHECK(cudaGetSymbolAddress(reinterpret_cast<void**>(&ptr), cublas_one_device));
-  return ptr;
-}
-
-float *get_cublas_device_zero() {
-  static c10::once_flag init_flag;
-
-  c10::call_once(init_flag, []() {
-    const float zero = 0.f;
-    AT_CUDA_CHECK(cudaMemcpyToSymbol(cublas_zero_device, &zero, sizeof(float)));
-  });
-
-  float *ptr;
-  AT_CUDA_CHECK(cudaGetSymbolAddress(reinterpret_cast<void**>(&ptr), cublas_zero_device));
-  return ptr;
-}
-
-float *get_user_alpha_ptr() {
-  static float *alpha_ptr;
-
-  static c10::once_flag init_flag;
-
-  c10::call_once(init_flag, []() {
-    AT_CUDA_CHECK(cudaMalloc(&alpha_ptr, sizeof(float)));
-  });
-
-  return alpha_ptr;
-}
-
-} // namespace detail
-} // namespace cuda
-} // namespace at

aten/src/ATen/cuda/detail/BLASConstants.h

@@ -1,11 +0,0 @@
-#pragma once
-
-#include <ATen/core/TensorBase.h>
-
-namespace at::cuda::detail {
-
-float *get_cublas_device_one();
-float *get_cublas_device_zero();
-float *get_user_alpha_ptr();
-
-} // namespace at::cuda::detail

aten/src/ATen/cuda/tunable/TunableGemm.h

@@ -109,8 +109,7 @@ class DefaultScaledGemmOp : public Callable<ScaledGemmParams<T>> {
           params->c_scale_ptr,
           params->ldc,
           params->c_dtype,
-          params->use_fast_accum,
-          std::nullopt /* alpha */);
+          params->use_fast_accum);
       return OK;
     }
 };

aten/src/ATen/functorch/BatchedTensorImpl.h

@@ -160,10 +160,6 @@ constexpr DispatchKeySet kKeysToPropagateToWrapper({
   DispatchKey::CUDA,
   DispatchKey::CPU,
   DispatchKey::PrivateUse1,
-  DispatchKey::SparseCPU,
-  DispatchKey::SparseCUDA,
-  DispatchKey::SparseCsrCPU,
-  DispatchKey::SparseCsrCUDA,
 });
 
 inline DispatchKeySet getKeysToPropagateToWrapper(const Tensor& tensor, DispatchKeySet to_propagate=kKeysToPropagateToWrapper) {

aten/src/ATen/native/Activation.cpp

@@ -240,8 +240,8 @@ TORCH_META_FUNC(gelu_backward) (
 
 namespace at::native {
 
-static constexpr double SELU_ALPHA = 1.6732632423543772848170429916717;
-static constexpr double SELU_SCALE = 1.0507009873554804934193349852946;
+static const double SELU_ALPHA = 1.6732632423543772848170429916717;
+static const double SELU_SCALE = 1.0507009873554804934193349852946;
 
 DEFINE_DISPATCH(elu_stub);
 DEFINE_DISPATCH(elu_backward_stub);

aten/src/ATen/native/BlasKernel.cpp

@@ -286,7 +286,7 @@ template void scal_fast_path<scalar_t>(int *n, scalar_t *a, scalar_t *x, int *in
 #if AT_BUILD_WITH_BLAS()
 template <>
 bool scal_use_fast_path<double>(int64_t n, int64_t incx) {
-  auto constexpr intmax = std::numeric_limits<int>::max();
+  auto intmax = std::numeric_limits<int>::max();
   return n <= intmax && incx <= intmax;
 }
 
@@ -315,7 +315,7 @@ bool gemv_use_fast_path<float>(
     int64_t incx,
     [[maybe_unused]] float beta,
     int64_t incy) {
-  auto constexpr intmax = std::numeric_limits<int>::max();
+  auto intmax = std::numeric_limits<int>::max();
   return (m <= intmax) && (n <= intmax) && (lda <= intmax) &&
          (incx > 0) && (incx <= intmax) && (incy > 0) && (incy <= intmax);
 }

aten/src/ATen/native/Convolution.cpp

@@ -658,7 +658,6 @@ static void check_shape_forward(const at::Tensor& input,
   TORCH_CHECK(!params.is_output_padding_neg(), "negative output_padding is not supported");
   TORCH_CHECK(!params.is_stride_nonpos(), "non-positive stride is not supported");
   TORCH_CHECK(!params.is_dilation_neg(), "dilation should be greater than zero");
-  TORCH_CHECK(groups > 0, "expected groups to be greater than 0, but got groups=", groups);
 
   TORCH_CHECK(weight_dim == k,
            "Expected ", weight_dim, "-dimensional input for ", weight_dim,

aten/src/ATen/native/Distributions.h

@@ -1,6 +1,5 @@
 #pragma once
 
-#include <array>
 #include <ATen/native/Math.h>
 #include <c10/macros/Macros.h>
 #include <c10/util/MathConstants.h>
@@ -128,7 +127,7 @@ C10_DEVICE scalar_t sample_gamma(scalar_t alpha, BaseSampler<accscalar_t, unifor
 
 template<typename scalar_t>
 C10_DEVICE scalar_t stirling_approx_tail(scalar_t k) {
-  constexpr static scalar_t kTailValues[] = {
+  const static scalar_t kTailValues[] = {
     0.0810614667953272,
     0.0413406959554092,
     0.0276779256849983,
@@ -140,7 +139,7 @@ C10_DEVICE scalar_t stirling_approx_tail(scalar_t k) {
     0.00925546218271273,
     0.00833056343336287
   };
-  if (k < std::size(kTailValues)) {
+  if (k <= 9) {
     return kTailValues[static_cast<size_t>(k)];
   }
   scalar_t kp1sq = (k + 1) * (k + 1);

aten/src/ATen/native/LinearAlgebra.cpp

@@ -3620,7 +3620,7 @@ Tensor& _int_mm_out_cpu(const Tensor& self, const Tensor& mat2, Tensor& result)
     try {
       mkldnn_matmul_i8i8i32(self, mat2, result);
       dispatched = true;
-    } catch ([[maybe_unused]] const std::exception& e) {
+    } catch (const std::exception& e) {
       TORCH_WARN(func_name, " failed, switching to BLAS gemm: ", e.what());
     }
   }

aten/src/ATen/native/Math.h

@@ -581,7 +581,7 @@ scalar_t ratevl(scalar_t x, const scalar_t num[], int64_t M,
 template <typename scalar_t>
 static scalar_t lanczos_sum_expg_scaled(scalar_t x) {
   // lanczos approximation
-  static constexpr scalar_t lanczos_sum_expg_scaled_num[13] = {
+  static const scalar_t lanczos_sum_expg_scaled_num[13] = {
     0.006061842346248906525783753964555936883222,
     0.5098416655656676188125178644804694509993,
     19.51992788247617482847860966235652136208,
@@ -596,7 +596,7 @@ static scalar_t lanczos_sum_expg_scaled(scalar_t x) {
     103794043.1163445451906271053616070238554,
     56906521.91347156388090791033559122686859
   };
-  static constexpr scalar_t lanczos_sum_expg_scaled_denom[13] = {
+  static const scalar_t lanczos_sum_expg_scaled_denom[13] = {
     1.,
     66.,
     1925.,
@@ -712,7 +712,7 @@ static scalar_t _igamc_helper_series(scalar_t a, scalar_t x) {
 template <typename scalar_t>
 static scalar_t _igam_helper_asymptotic_series(scalar_t a, scalar_t x, bool igam) {
   // Compute igam/igamc using DLMF 8.12.3/8.12.4 [igam1]
-  static constexpr scalar_t d[25][25] =
+  static const scalar_t d[25][25] =
     {{-3.3333333333333333e-1, 8.3333333333333333e-2, -1.4814814814814815e-2,
       1.1574074074074074e-3, 3.527336860670194e-4, -1.7875514403292181e-4,
       3.9192631785224378e-5, -2.1854485106799922e-6, -1.85406221071516e-6,

aten/src/ATen/native/Normalization.cpp

@@ -62,7 +62,7 @@
 #include <utility>
 #include <vector>
 
-static constexpr int MIOPEN_DIM_MAX = 5;
+static const int MIOPEN_DIM_MAX = 5;
 
 namespace at::meta {
 

aten/src/ATen/native/PixelShuffle.h

@@ -11,8 +11,6 @@ inline void check_pixel_shuffle_shapes(const Tensor& self, int64_t upscale_facto
               "pixel_shuffle expects a positive upscale_factor, but got ",
               upscale_factor);
   int64_t c = self.size(-3);
-  TORCH_CHECK_VALUE(upscale_factor <= std::numeric_limits<decltype(upscale_factor)>::max() / upscale_factor,
-        "upscale factor is too large, (upscale_factor)^2 overflowed: upscale_factor=", upscale_factor);
   int64_t upscale_factor_squared = upscale_factor * upscale_factor;
   TORCH_CHECK(c % upscale_factor_squared == 0,
               "pixel_shuffle expects its input's 'channel' dimension to be divisible by the square of "

aten/src/ATen/native/TensorAdvancedIndexing.cpp

@@ -1906,9 +1906,11 @@ Tensor& index_fill_(
         "This also applies to advanced indexing e.g. tensor[mask] = scalar");
   }
 
-  TORCH_CHECK(
-      self.is_complex() || !source.isComplex(),
-      "index_fill_(): Converting complex Scalar to non-complex type is not supported");
+  if (!self.is_complex() && source.isComplex()) {
+    TORCH_CHECK(
+        false,
+        "index_fill_(): Converting complex Scalar to non-complex type is not supported");
+  }
 
   // Handle the case when `self` is 0-dim
   Tensor self_nonzero_dim = (self.dim() == 0) ? self.unsqueeze(-1) : self;

aten/src/ATen/native/TensorAdvancedIndexingUtils.h

@@ -77,7 +77,7 @@ inline AdvancedIndex make_info(Tensor self, IOptTensorListRef orig) {
   // next broadcast all index tensors together
   try {
     indices = expand_outplace(indices);
-  } catch (std::exception&) {
+  } catch (std::exception& e) {
     TORCH_CHECK_INDEX(
         false,
         "shape mismatch: indexing tensors could not be broadcast together"

aten/src/ATen/native/cpu/DepthwiseConvKernel.cpp

@@ -259,20 +259,11 @@ inline void winograd_f2k3_input_transform_inplace__rvv(
   const vfloat32m1_t wd1 = __riscv_vfadd_vv_f32m1(d1, d2, 4);
   const vfloat32m1_t wd2 = __riscv_vfsub_vv_f32m1(d2, d1, 4);
   const vfloat32m1_t wd3 = __riscv_vfsub_vv_f32m1(d1, d3, 4);
-  /* GCC 14.2 (RISC-V RVV) ICE workaround:
-   * Avoid single-statement read-modify-write on MEM_REF like:
-   *   *input_tile_val =
-   *     __riscv_vset_v_f32m1_f32m1x4(*input_tile_val, idx, val);
-   * This triggers an ICE during GIMPLE lower (gsi_replace / riscv_gimple_fold_builtin)
-   * with -march=rv64gcv. Use a temporary then write back.
-   * Do NOT refactor into the single-statement form. Clang is unaffected.
-   */
-  vfloat32m1x4_t tmp_input_tile_val = *input_tile_val;
-  tmp_input_tile_val = __riscv_vset_v_f32m1_f32m1x4(tmp_input_tile_val, 0, wd0);
-  tmp_input_tile_val = __riscv_vset_v_f32m1_f32m1x4(tmp_input_tile_val, 1, wd1);
-  tmp_input_tile_val = __riscv_vset_v_f32m1_f32m1x4(tmp_input_tile_val, 2, wd2);
-  tmp_input_tile_val = __riscv_vset_v_f32m1_f32m1x4(tmp_input_tile_val, 3, wd3);
-  *input_tile_val = tmp_input_tile_val;
+
+  *input_tile_val = __riscv_vset_v_f32m1_f32m1x4(*input_tile_val, 0, wd0);
+  *input_tile_val = __riscv_vset_v_f32m1_f32m1x4(*input_tile_val, 1, wd1);
+  *input_tile_val = __riscv_vset_v_f32m1_f32m1x4(*input_tile_val, 2, wd2);
+  *input_tile_val = __riscv_vset_v_f32m1_f32m1x4(*input_tile_val, 3, wd3);
 }
 
 inline void winograd_f2k3_output_transform_inplace__rvv(
@@ -286,15 +277,9 @@ inline void winograd_f2k3_output_transform_inplace__rvv(
   const vfloat32m1_t wm0 = __riscv_vfadd_vv_f32m1(m0_plus_m1, m2, 4);
   const vfloat32m1_t m1_sub_m2 = __riscv_vfsub_vv_f32m1(m1, m2, 4);
   const vfloat32m1_t wm1 = __riscv_vfsub_vv_f32m1(m1_sub_m2, m3, 4);
-  /* GCC 14.2 (RISC-V RVV) ICE workaround — see note above.
-   * Keep the temporary + write-back pattern to avoid ICE.
-   * Do NOT rewrite into:
-   *   *input_tile_val = __riscv_vset_v_f32m1_f32m1x4(*input_tile_val, idx, val);
-   */
-  vfloat32m1x4_t tmp_output_tile_val = *input_tile_val;
-  tmp_output_tile_val = __riscv_vset_v_f32m1_f32m1x4(tmp_output_tile_val, 0, wm0);
-  tmp_output_tile_val = __riscv_vset_v_f32m1_f32m1x4(tmp_output_tile_val, 1, wm1);
-  *input_tile_val = tmp_output_tile_val;
+
+  *input_tile_val = __riscv_vset_v_f32m1_f32m1x4(*input_tile_val, 0, wm0);
+  *input_tile_val = __riscv_vset_v_f32m1_f32m1x4(*input_tile_val, 1, wm1);
 }
 
 inline vfloat32m1_t
@@ -315,17 +300,11 @@ inline void winograd_f2k3_kernel_transform__rvv(
   const vfloat32m1_t const_half = __riscv_vfmv_v_f_f32m1(0.5f, 4);
   const vfloat32m1_t g0_plus_g2 = __riscv_vfadd_vv_f32m1(g0, g2, 4);
   vfloat32m1_t half_g0_plus_g2 =  __riscv_vfmul_vv_f32m1(const_half, g0_plus_g2, 4);
-  /* GCC 14.2 (RISC-V RVV) ICE workaround — see note above.
-   * Keep the temporary + write-back pattern to avoid ICE.
-   * Do NOT rewrite into:
-   *   *transform = __riscv_vset_v_f32m1_f32m1x4(*transform, idx, val);
-   */
-  vfloat32m1x4_t tmp_transform = *transform;
-  tmp_transform = __riscv_vset_v_f32m1_f32m1x4(tmp_transform, 0, g0);
-  tmp_transform = __riscv_vset_v_f32m1_f32m1x4(tmp_transform, 1, vmuladdq_f32(half_g0_plus_g2, const_half, g1));
-  tmp_transform = __riscv_vset_v_f32m1_f32m1x4(tmp_transform, 2, vmulsubq_f32(half_g0_plus_g2, const_half, g1));
-  tmp_transform = __riscv_vset_v_f32m1_f32m1x4(tmp_transform, 3, g2);
-  *transform = tmp_transform;
+
+  *transform = __riscv_vset_v_f32m1_f32m1x4(*transform, 0, g0);
+  *transform = __riscv_vset_v_f32m1_f32m1x4(*transform, 1, vmuladdq_f32(half_g0_plus_g2, const_half, g1));
+  *transform = __riscv_vset_v_f32m1_f32m1x4(*transform, 2, vmulsubq_f32(half_g0_plus_g2, const_half, g1));
+  *transform = __riscv_vset_v_f32m1_f32m1x4(*transform, 3, g2);
 }
 
 inline vfloat32m1x4_t v4f_transpose4x4__rvv(const vfloat32m1x4_t m) {

aten/src/ATen/native/cpu/UpSampleKernel.cpp

@@ -1038,7 +1038,7 @@ struct HelperInterpNearest : public HelperInterpBase {
   // We keep this structure for BC and consider as deprecated.
   // See HelperInterpNearestExact as replacement
 
-  static constexpr int interp_size = 1;
+  static const int interp_size = 1;
 
   static inline void init_indices_weights(
     at::ScalarType output_type,
@@ -1155,7 +1155,7 @@ struct HelperInterpNearestExact : public HelperInterpNearest {
 
 struct HelperInterpLinear : public HelperInterpBase {
 
-  static constexpr int interp_size = 2;
+  static const int interp_size = 2;
 
   // Compute indices and weights for each interpolated dimension
   // indices_weights = {
@@ -1275,7 +1275,7 @@ struct HelperInterpLinear : public HelperInterpBase {
 
 struct HelperInterpCubic : public HelperInterpBase {
 
-  static constexpr int interp_size = 4;
+  static const int interp_size = 4;
 
   // Compute indices and weights for each interpolated dimension
   // indices_weights = {

aten/src/ATen/native/cuda/Blas.cpp

@@ -272,110 +272,28 @@ cuda::blas::GEMMAndBiasActivationEpilogue activation_to_gemm_and_blas_arg(Activa
   }
 }
 
-/*
- * Checks whether DISABLE_ADDMM_CUDA_LT is set.
- * Additionally, for ROCM we test whether the architecture supports the Lt.
- */
-static bool isGloballyDisabledAddmmCudaLt(const at::Device& device) {
-  // When hipBLASLt is not supported on the architecture, return true
-  #ifdef USE_ROCM
-  static const std::vector<std::string> archs = {
+static bool getDisableAddmmCudaLt() {
+    static const auto env_value = c10::utils::get_env("DISABLE_ADDMM_CUDA_LT");
+    if (env_value == "1") {
+      return true;
+    }
+    return false;
+}
+
+#ifdef USE_ROCM
+static bool isSupportedHipLtROCmArch(int index) {
+    static const std::vector<std::string> archs = {
         "gfx90a", "gfx942",
-    #if ROCM_VERSION >= 60300
+#if ROCM_VERSION >= 60300
         "gfx1100", "gfx1101", "gfx1200", "gfx1201", "gfx908",
-    #endif
-    #if ROCM_VERSION >= 70000
+#endif
+#if ROCM_VERSION >= 70000
         "gfx950", "gfx1150", "gfx1151"
-    #endif
-  };
-  const auto is_hipblas_lt_arch_supported = at::detail::getCUDAHooks().isGPUArch(archs, device.index());
-  if (!is_hipblas_lt_arch_supported) {
-    return true;
-  }
-  #endif
-
-  // Check whether it is disabled in the env
-  static const auto is_addmm_cuda_lt_disabled = c10::utils::get_env("DISABLE_ADDMM_CUDA_LT");
-  if (is_addmm_cuda_lt_disabled == "1") {
-    return true;
-  }
-
-  return false;
-}
-
-/*
- * Check whether for the given input we want to enable the Lt interface
- */
-static bool isInputCompliesAddmmCudaLt(Tensor& result, const Tensor& self, const Tensor& mat1, const Tensor& mat2, const Scalar& beta, const Scalar& alpha) {
-  // Implies 2D bias which we currently not send through Lt.
-  // TODO: this check is done pre col-major input preparation,
-  // so, this condition can be ralexed in cases when a col-major
-  // copy of result is needed.
-  if (result.is_same(self)) {
-    return false;
-  }
-
-  #if defined(USE_ROCM) && ROCM_VERSION == 60400
-  // hipblaslt TT fp32 regression on ROCm 6.4, cannot use
-  const auto args = cublasCommonArgs(mat1, mat2, result);
-  if (args.transa == 't' && args.transb == 't') {
-    return false;
-  }
-  #endif
-
-  const auto mat1_sizes = mat1.sizes();
-  const auto mat2_sizes = mat2.sizes();
-  #if defined(CUDA_VERSION) || defined(USE_ROCM)
-  const auto scalar_type = mat1.scalar_type();
-  return (beta.toComplexDouble() == 1.0
-    // self.dim() == 1 && result.dim() == 2 && self.sizes()[0] == mat2_sizes[1]
-    // is to use lt interface only when self is bias.
-    && self.dim() == 1 && self.sizes()[0] == mat2_sizes[1] && self.is_contiguous()
-    && result.dim() == 2 && result.is_contiguous()
-    && ( // some dtype restrictions
-      #ifndef USE_ROCM
-      scalar_type == at::ScalarType::Double ||
-      #endif
-      scalar_type == at::ScalarType::Float ||
-      scalar_type == at::ScalarType::Half ||
-      scalar_type == at::ScalarType::BFloat16
-    )
-    && ( // some shape/stride restrictions
-      // Strangely, if mat2 has only 1 row or column, we get
-      // CUBLAS_STATUS_INVALID_VALUE error from cublasLtMatmulAlgoGetHeuristic.
-      // NOTE: extension to mat1 because mat1/mat2 can be swapped based off
-      // their row-/col-majorness.
-      mat1_sizes[0] > 1 && mat1_sizes[1] > 1 &&
-      mat2_sizes[0] > 1 && mat2_sizes[1] > 1
-      // The last conditions is to skip 16b transA and non-trans-B having
-      // leading dim >> rows when they are sliced from a large tensor
-      // see fbcode/caffe2/test/test_linalg.py:test_corner_cases_of_cublasltmatmul
-      #if !(defined(CUDA_VERSION) && CUDA_VERSION >= 12010 || defined(USE_ROCM))
-      // Related to avoiding the leading stride >> leading dim problematic case
-      // with 16b dtypes described above. For such dtypes we only allow inputs
-      // which are either row- or col-major (i.e. non-overlapping, compact memory layout).
-      // In that case the leading stride will be equal to the outer dim len.
-      // Why do we catch this case here? The following `prepare_matrix_for_cublas` method
-      // does not modify inputs as long as there is a stride of length 1
-      // and the leading stride is at least max(1, other dim length), so we might
-      // end up with contiguous cols but not rows (i.e. holes between different rows)
-      // and vice versa.
-      mat2_sizes[0] < 65535 * 32 && mat2_sizes[1] < 65535 * 32 &&
-      mat1_sizes[0] < 65535 * 32 && mat1_sizes[1] < 65535 * 32 &&
-      && (
-        // filter by dtype
-        (scalar_type != at::ScalarType::Half && scalar_type != at::ScalarType::BFloat16) ||
-        // check mat1/mat2 is row-/col-major
-        (mat1.is_non_overlapping_and_dense() && mat2.is_non_overlapping_and_dense())
-      )
-      #endif
-    )
-  );
-  #endif
-
-  // no compliance by default
-  return false;
+#endif
+    };
+    return at::detail::getCUDAHooks().isGPUArch(archs, index);
 }
+#endif
 
 template <typename scalar_t>
 void launchTunableGemmAndBias(cublasCommonArgs &args, const Scalar& alpha, const scalar_t* bias, cuda::blas::GEMMAndBiasActivationEpilogue activation) {
@@ -417,70 +335,7 @@ void launchTunableGemmAndBias(cublasCommonArgs &args, const Scalar& alpha, const
   }
 }
 
-template <typename scalar_t, typename res_scalar_t = scalar_t>
-bool launchGemmAndBiasCublasLt(
-    // args contains result which is modified
-    cublasCommonArgs& args,
-    const Tensor& self,
-    const Scalar& alpha,
-    Activation activation = Activation::None
-) {
-  const auto* self_ptr = self.const_data_ptr<scalar_t>();
-
-  const auto tuning_ctx = at::cuda::tunable::getTuningContext();
-  if (tuning_ctx->IsTunableOpEnabled()) {
-    // TODO: maybe also return some success state?
-    launchTunableGemmAndBias<scalar_t>(
-      args, alpha, self_ptr, activation_to_gemm_and_blas_arg(activation)
-    );
-    return true;
-  }
-
-  return at::cuda::blas::gemm_and_bias<scalar_t, res_scalar_t>(
-    args.transa == 't',
-    args.transb == 't',
-    args.m,
-    args.n,
-    args.k,
-    alpha.to<at::opmath_type<scalar_t>>(),
-    args.mata->const_data_ptr<scalar_t>(),
-    args.lda,
-    args.matb->const_data_ptr<scalar_t>(),
-    args.ldb,
-    self_ptr,
-    args.result->data_ptr<res_scalar_t>(),
-    args.result_ld,
-    activation_to_gemm_and_blas_arg(activation)
-  );
-}
-
-template <typename scalar_t, typename res_scalar_t = scalar_t>
-bool launchGemmCublas(
-    // args contains result which is modified
-    cublasCommonArgs& args,
-    const Scalar& alpha,
-    const Scalar& beta
-) {
-  at::cuda::blas::gemm<scalar_t, res_scalar_t>(
-    args.transa,
-    args.transb,
-    args.m,
-    args.n,
-    args.k,
-    alpha.to<at::opmath_type<scalar_t>>(),
-    args.mata->const_data_ptr<scalar_t>(),
-    args.lda,
-    args.matb->const_data_ptr<scalar_t>(),
-    args.ldb,
-    beta.to<at::opmath_type<scalar_t>>(),
-    args.result->data_ptr<res_scalar_t>(),
-    args.result_ld
-  );
-  return true; // success!
-}
-
 Tensor& addmm_out_cuda_impl(Tensor& result, const Tensor& self, const Tensor& mat1, const Tensor& mat2, const Scalar& beta, const Scalar& alpha, Activation activation=Activation::None, bool disable_addmm_cuda_lt_override=false) {
-  // Shape checks {
   // Make sure to keep addmm_cuda below in sync with this code; it
   // preflights a check to try to avoid actually needing to call
   // expand().
@@ -490,62 +345,105 @@ Tensor& addmm_out_cuda_impl(Tensor& result, const Tensor& self, const Tensor& ma
     "expected mat1 and mat2 to have the same dtype, but got: ", mat1.dtype(), " != ", mat2.dtype()
   )
 
-  if (result.is_same(self)) {
-    TORCH_CHECK(result.dim() == 2, "tensors must be 2-D");
-    TORCH_CHECK(self.sizes()[0] == mat1.sizes()[0], "self dim 0 must match mat1 dim 0");
-    TORCH_CHECK(self.sizes()[1] == mat2.sizes()[1], "self dim 1 must match mat2 dim 1");
-  }
-  // } Shape checks
-
   // NOLINTNEXTLINE(*c-array*)
   TensorArg targs[]{{result, "out", 0}, {self, "self", 1}, {mat1, "mat1", 2}, {mat2, "mat2", 3}};
   checkAllSameGPU(__func__, targs);
 
-  // Handle whether to use the Lt interface {
-  static bool persistent_disable_addmm_cuda_lt = isGloballyDisabledAddmmCudaLt(self.device());
+  IntArrayRef mat1_sizes = mat1.sizes();
+  IntArrayRef mat2_sizes = mat2.sizes();
+  IntArrayRef self__sizes;
+  bool useLtInterface = false;
+#if defined(USE_ROCM)
+  // When hipBLASLt is not supported on the architecture,
+  // disable_addmm_cuda_lt will always be to set to true
+  static bool disable_addmm_cuda_lt =
+    !isSupportedHipLtROCmArch(self.device().index()) || getDisableAddmmCudaLt();
+#else
+  static bool disable_addmm_cuda_lt = getDisableAddmmCudaLt();
+#endif
   // if lt path fails, we recurse back into this function here and force the lt path to off
   // we cannot update varible disable_addmm_cuda_lt from above since it is static and would be permanent
-  bool disable_addmm_cuda_lt = persistent_disable_addmm_cuda_lt || disable_addmm_cuda_lt_override;
-  #ifdef USE_ROCM
-  // Conditioned on the device index, which is not persistent
-  disable_addmm_cuda_lt = isGloballyDisabledAddmmCudaLt(self.device()) || disable_addmm_cuda_lt;
-  #endif
-  // Condition on the input
-  disable_addmm_cuda_lt = !isInputCompliesAddmmCudaLt(result, self, mat1, mat2, beta, alpha) || disable_addmm_cuda_lt;
-  // }
-
+  bool disable_addmm_cuda_lt_final = disable_addmm_cuda_lt || disable_addmm_cuda_lt_override;
+#if defined(USE_ROCM) && ROCM_VERSION == 60400
+  // hipblaslt TT fp32 regression on ROCm 6.4, cannot use
+  cublasCommonArgs _args(mat1, mat2, result);
+  if (_args.transa == 't' && _args.transb == 't') {
+    disable_addmm_cuda_lt_final = true;
+  }
+#endif
   at::ScalarType scalar_type = mat1.scalar_type();
   bool is_float_output_with_half_input = (scalar_type == at::ScalarType::Half || scalar_type == at::ScalarType::BFloat16) && result.scalar_type() == at::ScalarType::Float;
+  c10::MaybeOwned<Tensor> self_;
+  if (&result != &self) {
+#if defined(CUDA_VERSION) || defined(USE_ROCM)
+    // Strangely, if mat2 has only 1 row or column, we get
+    // CUBLAS_STATUS_INVALID_VALUE error from cublasLtMatmulAlgoGetHeuristic.
+    // self.dim() == 1 && result.dim() == 2 && self.sizes()[0] == mat2_sizes[1]
+    // is to use lt interface only when self is bias.
+    // for cuda 11.4, cublasLtMatmul is activated
+    // the last two conditions is to skip 16b transA and non-trans-B having
+    // leading dim >> rows when they are sliced from a large tensor
+    // see fbcode/caffe2/test/test_linalg.py:test_corner_cases_of_cublasltmatmul
+    if (!disable_addmm_cuda_lt_final) {
+      useLtInterface = beta.toComplexDouble() == 1.0 && self.dim() == 1 &&
+          result.dim() == 2 && self.sizes()[0] == mat2_sizes[1] &&
+          self.is_contiguous() && result.is_contiguous() &&
+#ifdef USE_ROCM
+          (scalar_type == at::ScalarType::Float ||
+           scalar_type == at::ScalarType::Half ||
+           scalar_type == at::ScalarType::BFloat16) &&
+#else
+          (scalar_type == at::ScalarType::Double ||
+           scalar_type == at::ScalarType::Float ||
+           scalar_type == at::ScalarType::Half ||
+           scalar_type == at::ScalarType::BFloat16) &&
+#endif
+#if (defined(CUDA_VERSION) && CUDA_VERSION >= 12010 || defined(USE_ROCM))
+          mat2_sizes[0] > 1 && mat2_sizes[1] > 1;
+#else
+          mat2_sizes[0] > 1 && mat2_sizes[1] > 1 &&
+          mat2_sizes[0] < 65535 * 32 && mat2_sizes[1] < 65535 * 32 &&
+          mat1_sizes[0] < 65535 * 32 && mat1_sizes[1] < 65535 * 32 &&
+          // avoid leading dim >> rows bugs
+          ((mat1.strides()[0] == 1 && mat1.strides()[1] == mat1_sizes[0]) ||
+           (mat1.strides()[1] == 1 && mat1.strides()[0] == mat1_sizes[1]) ||
+           (scalar_type != at::ScalarType::Half &&
+            scalar_type != at::ScalarType::BFloat16)) &&
+          ((mat2.strides()[0] == 1 && mat2.strides()[1] == mat2_sizes[0]) ||
+           (mat2.strides()[1] == 1 && mat2.strides()[0] == mat2_sizes[1]) ||
+           (scalar_type != at::ScalarType::Half &&
+            scalar_type != at::ScalarType::BFloat16));
+#endif
+    }
+#endif
+    if (!useLtInterface) {
+      self_ = expand_size(self, {mat1_sizes[0], mat2_sizes[1]}, "addmm");
+    }
+    self__sizes = self_->sizes();
+  } else {
+    self_ = c10::MaybeOwned<Tensor>::borrowed(self);
+    self__sizes = self_->sizes();
+    TORCH_CHECK(result.dim() == 2, "tensors must be 2-D");
+    TORCH_CHECK(self__sizes[0] == mat1_sizes[0], "self_ dim 0 must match mat1 dim 0");
+    TORCH_CHECK(self__sizes[1] == mat2_sizes[1], "self_ dim 1 must match mat2 dim 1");
+  }
 
-  // Handle result/self shapes
-  if (!result.is_same(self)) {
-    at::native::resize_output(result, {mat1.sizes()[0], mat2.sizes()[1]});
-
-    const auto self_maybe_expanded = [&]() -> c10::MaybeOwned<Tensor> {
-      if (disable_addmm_cuda_lt) {
-        // When in non-Lt path we do expand self even before
-        // check for beta != 0.0 to make sure that
-        // test_sparse_csr.py::TestSparseCSRCUDA::test_addmm_errors_*
-        // runs green.
-        return expand_size(self, result.sizes(), "addmm");
-      }
-      // copy next, should broadcast
-      return c10::MaybeOwned<Tensor>::borrowed(self);
-    }();
-    // We copy bias when in the non-Lt path
-    if (beta.toComplexDouble() != 0.0 && disable_addmm_cuda_lt) {
-      // NOTE: self should broadcast over result
-      at::native::copy_(result, *self_maybe_expanded);
+  if (&result != &self) {
+    at::native::resize_output(result, {mat1_sizes[0], mat2_sizes[1]});
+    if (beta.toComplexDouble() != 0.0 && !useLtInterface) {
+      at::native::copy_(result, *self_);
     }
   }
 
-  // Short circuit on empty result
-  if (result.numel() == 0) {
+
+  IntArrayRef result_sizes = result.sizes();
+  if ((result_sizes[0] == 0) || (result_sizes[1] == 0)) {
     return result;
   }
 
-  // Short circuit if the reduction dim is empty
-  if (mat1.sizes()[1] == 0) {
+  cublasCommonArgs args(mat1, mat2, result);
+
+  if (mat1.numel() == 0) {
     // By definition, when beta==0, values in self should be ignored. nans and infs
     // should not propagate
     if (beta.toComplexDouble() == 0.) {
@@ -557,64 +455,158 @@ Tensor& addmm_out_cuda_impl(Tensor& result, const Tensor& self, const Tensor& ma
         result,
         self.expand(result.sizes()),
         at::native::scalar_tensor(
-          beta,
-          self.scalar_type(),
-          std::nullopt /* layout */,
-          at::kCPU,
-          std::nullopt /* pin_memory */
-        )
-    );
+            beta,
+            self.scalar_type(),
+            std::nullopt /* layout */,
+            at::kCPU,
+            std::nullopt /* pin_memory */));
   }
 
-  cublasCommonArgs args(mat1, mat2, result);
   TORCH_INTERNAL_ASSERT_DEBUG_ONLY(!args.result->is_conj());
 
-  // The Lt path
-  if (!disable_addmm_cuda_lt) {
-    bool lt_success = false;
+  if (useLtInterface) {
+#if defined(USE_ROCM)
+    bool okay = true;
     if (is_float_output_with_half_input) {
-      #ifdef USE_ROCM
       TORCH_CHECK(false, "float output with half input is not enabled for ROCm");
-      #else
-      if (at::cuda::tunable::getTuningContext()->IsTunableOpEnabled()) {
-       TORCH_CHECK(false, "Tunable GEMM is not supported for float output with reduced float input");
-      }
-      AT_DISPATCH_REDUCED_FLOATING_TYPES(
-        scalar_type,
-        "addmm_cuda_lt",
-        [&] {
-          lt_success = launchGemmAndBiasCublasLt<scalar_t, float>(args, self, alpha, activation);
-        }
-      );
-      #endif
     } else {
-      // !is_float_output_with_half_input
       AT_DISPATCH_FLOATING_TYPES_AND2(
         at::ScalarType::Half,
         at::ScalarType::BFloat16,
         scalar_type,
         "addmm_cuda_lt",
         [&] {
-          lt_success = launchGemmAndBiasCublasLt<scalar_t>(args, self, alpha, activation);
+        auto tuning_ctx = at::cuda::tunable::getTuningContext();
+        if (tuning_ctx->IsTunableOpEnabled()) {
+          launchTunableGemmAndBias<scalar_t>(
+              args,
+              alpha,
+              (&result != &self) ? self.const_data_ptr<scalar_t>() : nullptr,
+              activation_to_gemm_and_blas_arg(activation));
+        } else {
+          okay = at::cuda::blas::gemm_and_bias<scalar_t>(
+            args.transa == 't',
+            args.transb == 't',
+            args.m,
+            args.n,
+            args.k,
+            alpha.to<at::opmath_type<scalar_t>>(),
+            args.mata->const_data_ptr<scalar_t>(),
+            args.lda,
+            args.matb->const_data_ptr<scalar_t>(),
+            args.ldb,
+            // This condition is needed for mm case on ROCm for hipblasLt path.
+            // Passing the bias ptr as null to avoid accuracy issues for mm case.
+            (&result != &self) ? self.const_data_ptr<scalar_t>() : nullptr,
+            args.result->data_ptr<scalar_t>(),
+            args.result_ld,
+            activation_to_gemm_and_blas_arg(activation)
+          );
         }
-      );
-    } // end is_float_output_with_half_input
-
-    if (!lt_success) {
-    // lt path failed; recurse but disable lt path
+      });
+    }
+    if (!okay) {
+      // lt path failed; recurse but disable lt path
       return addmm_out_cuda_impl(result, self, mat1, mat2, beta, alpha, activation, true);
     }
-    // end Lt path
-  } else {
-    // No Lt, we use a GEMM instead
+#else
+    auto activation_epilogue = activation_to_gemm_and_blas_arg(activation);
+    bool okay = true;
+    if (is_float_output_with_half_input) {
+      AT_DISPATCH_REDUCED_FLOATING_TYPES(
+        scalar_type,
+        "addmm_cuda_lt",
+        [&] {
+        auto tuning_ctx = at::cuda::tunable::getTuningContext();
+        if (tuning_ctx->IsTunableOpEnabled()) {
+          TORCH_CHECK(false, "Tunable GEMM is not supported for float output with reduced float input");
+        }
+        else {
+          okay = at::cuda::blas::gemm_and_bias<scalar_t, float>(
+              args.transa == 't',
+              args.transb == 't',
+              args.m,
+              args.n,
+              args.k,
+              alpha.to<at::opmath_type<scalar_t>>(),
+              args.mata->const_data_ptr<scalar_t>(),
+              args.lda,
+              args.matb->const_data_ptr<scalar_t>(),
+              args.ldb,
+              self.const_data_ptr<scalar_t>(),
+              args.result->data_ptr<float>(),
+              args.result_ld,
+              activation_epilogue
+          );
+        }});
+    } else {
+      AT_DISPATCH_FLOATING_TYPES_AND2(
+        at::ScalarType::Half,
+        at::ScalarType::BFloat16,
+        scalar_type,
+        "addmm_cuda_lt",
+        [&] {
+        auto tuning_ctx = at::cuda::tunable::getTuningContext();
+        if (tuning_ctx->IsTunableOpEnabled()) {
+          launchTunableGemmAndBias<scalar_t>(
+              args,
+              alpha,
+              self.const_data_ptr<scalar_t>(),
+              activation_epilogue);
+        }
+        else {
+          okay = at::cuda::blas::gemm_and_bias<scalar_t>(
+              args.transa == 't',
+              args.transb == 't',
+              args.m,
+              args.n,
+              args.k,
+              alpha.to<at::opmath_type<scalar_t>>(),
+              args.mata->const_data_ptr<scalar_t>(),
+              args.lda,
+              args.matb->const_data_ptr<scalar_t>(),
+              args.ldb,
+              self.const_data_ptr<scalar_t>(),
+              args.result->data_ptr<scalar_t>(),
+              args.result_ld,
+              activation_epilogue
+          );
+      }});
+    }
+    if (!okay) {
+      // lt path failed; recurse but disable lt path
+      return addmm_out_cuda_impl(result, self, mat1, mat2, beta, alpha, activation, true);
+    }
+#endif
+  } else
+  {
     if (is_float_output_with_half_input) {
       AT_DISPATCH_REDUCED_FLOATING_TYPES(
         scalar_type,
         "addmm_cuda",
         [&] {
-          launchGemmCublas<scalar_t, float>(args, alpha, beta);
-        }
-      );
+          using opmath_t = at::opmath_type<scalar_t>;
+          opmath_t alpha_val = alpha.to<opmath_t>();
+          opmath_t beta_val = beta.to<opmath_t>();
+          const scalar_t* mat1_ptr = args.mata->const_data_ptr<scalar_t>();
+          const scalar_t* mat2_ptr = args.matb->const_data_ptr<scalar_t>();
+
+          float* result_ptr = args.result->mutable_data_ptr<float>();
+          at::cuda::blas::gemm<scalar_t, float>(
+              args.transa,
+              args.transb,
+              args.m,
+              args.n,
+              args.k,
+              alpha_val,
+              mat1_ptr,
+              args.lda,
+              mat2_ptr,
+              args.ldb,
+              beta_val,
+              result_ptr,
+              args.result_ld);
+        });
     } else {
       AT_DISPATCH_FLOATING_AND_COMPLEX_TYPES_AND2(
         at::ScalarType::Half,
@@ -622,12 +614,28 @@ Tensor& addmm_out_cuda_impl(Tensor& result, const Tensor& self, const Tensor& ma
         scalar_type,
         "addmm_cuda",
         [&] {
-          launchGemmCublas<scalar_t>(args, alpha, beta);
-        }
-      );
+          using opmath_t = at::opmath_type<scalar_t>;
+          opmath_t alpha_val = alpha.to<opmath_t>();
+          opmath_t beta_val = beta.to<opmath_t>();
+          const scalar_t* mat1_ptr = args.mata->const_data_ptr<scalar_t>();
+          const scalar_t* mat2_ptr = args.matb->const_data_ptr<scalar_t>();
+          scalar_t* result_ptr = args.result->mutable_data_ptr<scalar_t>();
+          at::cuda::blas::gemm<scalar_t>(
+              args.transa,
+              args.transb,
+              args.m,
+              args.n,
+              args.k,
+              alpha_val,
+              mat1_ptr,
+              args.lda,
+              mat2_ptr,
+              args.ldb,
+              beta_val,
+              result_ptr,
+              args.result_ld);
+        });
     }
-
-    // Apply epilogue
     switch (activation) {
       case Activation::RELU:
         // NOLINTNEXTLINE(cppcoreguidelines-pro-type-const-cast)
@@ -639,14 +647,14 @@ Tensor& addmm_out_cuda_impl(Tensor& result, const Tensor& self, const Tensor& ma
         break;
       default: break;
     }
-  } // end GEMM path
+  }
 
 // Preprocessor gate here needs to match the inverse of the check
 // gating activation_to_gemm_and_blas_arg above; here we are manually
 // performing a post-GELU because we weren't able to use the GELU
 // epilogue above.
 #if !defined(CUDA_VERSION) && !defined(USE_ROCM)
-  if (!disable_addmm_cuda_lt && activation == Activation::GELU) {
+  if (useLtInterface && activation == Activation::GELU) {
     at::gelu_(const_cast<Tensor&>(*args.result), "tanh");
   }
 #endif
@@ -1351,8 +1359,7 @@ _scaled_gemm(
           const ScalingType scaling_choice_a, const ScalingType scaling_choice_b,
           const std::optional<Tensor>& bias,
           const bool use_fast_accum,
-          Tensor& out,
-          const std::optional<Tensor>& alpha = std::nullopt) {
+          Tensor& out) {
   cublasCommonArgs args(mat1, mat2, out, scale_a, scale_b, std::nullopt, scaling_choice_a, scaling_choice_b);
   const auto out_dtype_ = args.result->scalar_type();
   TORCH_CHECK(args.transa == 't' && args.transb == 'n', "Only multiplication of row-major and column-major matrices is supported by cuBLASLt");
@@ -1403,8 +1410,7 @@ _scaled_gemm(
           args.scale_result_ptr,
           args.result_ld,
           out_dtype_,
-          use_fast_accum,
-          alpha);
+          use_fast_accum);
       return out;
   }
 }
@@ -1753,7 +1759,6 @@ enum class ScaledGemmImplementation {
   MXFP8_MXFP8 = 6,
   NVFP4_NVFP4 = 7,
   NVFP4_NVFP4_SINGLE_SCALE = 8,
-  MXFP4_MXFP4 = 9,
 };
 
 /**
@@ -1950,39 +1955,10 @@ bool check_mxfp8_recipe(c10::ScalarType type_a,
   return true;
 }
 
-/**
- * Both inputs must be fp4
- * A, B must have 1 scale each, {Blockwise_1x32, e8m0}
- */
-bool check_mxfp4_recipe(c10::ScalarType type_a,
-                        std::vector<ScalingType>& recipe_a,
-                        ArrayRef<Tensor>& scales_a,
-                        c10::ScalarType type_b,
-                        std::vector<ScalingType>& recipe_b,
-                        ArrayRef<Tensor>& scales_b) {
-  // both types must be fp4
-  if (type_a != ScalarType::Float4_e2m1fn_x2 || type_b != ScalarType::Float4_e2m1fn_x2) {
-    return false;
-  }
-
-  // 1 scales, 1 recipes for each input
-  if (scales_a.size() != 1 || recipe_a.size() != 1 || scales_b.size() != 1 || recipe_b.size() != 1) {
-    return false;
-  }
-
-  // Need {Blockwise_1x32, e8m0} for A & B
-  if (recipe_a[0] != ScalingType::BlockWise1x32) return false;
-  if (scales_a[0].scalar_type() != ScalarType::Float8_e8m0fnu) return false;
-  if (recipe_b[0] != ScalingType::BlockWise1x32) return false;
-  if (scales_b[0].scalar_type() != ScalarType::Float8_e8m0fnu) return false;
-
-  return true;
-}
-
 using acceptance_fn = std::function<bool(c10::ScalarType, std::vector<ScalingType>&, ArrayRef<Tensor>&, c10::ScalarType, std::vector<ScalingType>&, ArrayRef<Tensor>&)>;
 using namespace std::placeholders;
 
-std::array<std::tuple<std::string, acceptance_fn, ScaledGemmImplementation>, 9> scale_kernel_dispatch = {{
+std::array<std::tuple<std::string, acceptance_fn, ScaledGemmImplementation>, 8> scale_kernel_dispatch = {{
   { "tensorwise_tensorwise", check_tensorwise_recipe, ScaledGemmImplementation::TENSORWISE_TENSORWISE },
   { "rowwise_rowwise", check_rowwise_recipe, ScaledGemmImplementation::ROWWISE_ROWWISE},
   { "block_1x128_128x128", std::bind(check_deepseek_recipe, ScalingType::BlockWise1x128, ScalingType::BlockWise128x128, _1, _2, _3, _4, _5, _6),
@@ -1993,8 +1969,7 @@ std::array<std::tuple<std::string, acceptance_fn, ScaledGemmImplementation>, 9>
     ScaledGemmImplementation::BLOCK_1x128_1x128},
   { "nvfp4_nvfp4", check_nvfp4_recipe, ScaledGemmImplementation::NVFP4_NVFP4},
   { "nvfp4_nvfp4_single_scale", check_nvfp4_recipe_single_scale, ScaledGemmImplementation::NVFP4_NVFP4_SINGLE_SCALE },
-  { "mxfp8_mxfp8", check_mxfp8_recipe, ScaledGemmImplementation::MXFP8_MXFP8},
-  { "mxfp4_mxfp4", check_mxfp4_recipe, ScaledGemmImplementation::MXFP4_MXFP4}}};
+  { "mxfp8_mxfp8", check_mxfp8_recipe, ScaledGemmImplementation::MXFP8_MXFP8}}};
 
 Tensor&
 _scaled_tensorwise_tensorwise(
@@ -2212,22 +2187,15 @@ _scaled_mxfp8_mxfp8(
   TORCH_CHECK_VALUE(isFloat8Type(mat_a.scalar_type()) && isFloat8Type(mat_b.scalar_type()), "mat_a and mat_b must be fp8 types, got: ",
       mat_a.scalar_type(), mat_b.scalar_type());
 
-#ifdef USE_ROCM
-  auto scale_a_elems = ceil_div<int64_t>(mat_a.size(0), 32) * mat_a.size(1);
-  auto scale_b_elems = ceil_div<int64_t>(mat_b.size(1), 32) * mat_b.size(0);
-#else
   auto scale_a_elems = round_up<int64_t>(mat_a.size(0), 128) * round_up<int64_t>(ceil_div<int64_t>(mat_a.size(1), 32), 4);
   auto scale_b_elems = round_up<int64_t>(mat_b.size(1), 128) * round_up<int64_t>(ceil_div<int64_t>(mat_b.size(0), 32), 4);
-#endif
   TORCH_CHECK_VALUE(scale_a_elems == scale_a.numel(),
          "For Blockwise scaling scale_a should have ", scale_a_elems, " elements, got: ", scale_a.numel());
   TORCH_CHECK_VALUE(scale_b_elems == scale_b.numel(),
          "For Blockwise scaling scale_b should have ", scale_b_elems, " elements, got: ", scale_b.numel());
 
-#ifndef USE_ROCM
   TORCH_CHECK_VALUE(swizzle_a == SwizzleType::SWIZZLE_32_4_4, "scale_a must be swizzled to SWIZZLE_32_4_4 format");
   TORCH_CHECK_VALUE(swizzle_b == SwizzleType::SWIZZLE_32_4_4, "scale_b must be swizzled to SWIZZLE_32_4_4 format");
-#endif
 
   TORCH_CHECK_VALUE(scale_a.is_contiguous() && scale_b.is_contiguous(),
         "For Blockwise scaling both scales should be contiguous");
@@ -2257,56 +2225,6 @@ _scaled_mxfp8_mxfp8(
   return _scaled_gemm(mat_a, mat_b, scale_a, scale_b, scaling_choice_a, scaling_choice_b, bias, false /* use_fast_accum */, out);
 }
 
-
-Tensor&
-_scaled_mxfp4_mxfp4(
-          const Tensor& mat_a, const Tensor& mat_b,
-          const Tensor& scale_a, const SwizzleType swizzle_a,
-          const Tensor& scale_b, const SwizzleType swizzle_b,
-          const std::optional<Tensor>& bias,
-          const c10::ScalarType out_dtype,
-          Tensor& out) {
-#ifndef USE_ROCM
-  TORCH_CHECK_NOT_IMPLEMENTED(false, "MXFP4 scaling supported on ROCM only");
-#endif
-  // Restrictions:
-  // A, B are FP4, scales are e8m0, A: shape K//32, B: K, N//32
-  TORCH_CHECK_VALUE(mat_a.scalar_type() == at::kFloat4_e2m1fn_x2 && mat_b.scalar_type() == at::kFloat4_e2m1fn_x2, "mat_a and mat_b must be fp4 types, got: ",
-      mat_a.scalar_type(), mat_b.scalar_type());
-
-  auto scale_a_elems = ceil_div<int64_t>(2 * mat_a.size(0), 32) * mat_a.size(1);
-  auto scale_b_elems = ceil_div<int64_t>(2 * mat_b.size(1), 32) * mat_b.size(0);
-  TORCH_CHECK_VALUE(scale_a_elems == scale_a.numel(),
-         "For Blockwise scaling scale_a should have ", scale_a_elems, " elements, got: ", scale_a.numel());
-  TORCH_CHECK_VALUE(scale_b_elems == scale_b.numel(),
-         "For Blockwise scaling scale_b should have ", scale_b_elems, " elements, got: ", scale_b.numel());
-
-  TORCH_CHECK_VALUE(scale_a.is_contiguous() && scale_b.is_contiguous(),
-        "For Blockwise scaling both scales should be contiguous");
-
-  TORCH_CHECK_VALUE(out.scalar_type() == out_dtype, "expected out.scalar_type() to be ", out_dtype, ", but got ", out_dtype);
-
-  auto scaling_choice_a = ScalingType::BlockWise1x32;
-  auto scaling_choice_b = ScalingType::BlockWise1x32;
-
-#if ROCM_VERSION >= 70000
-  TORCH_CHECK_NOT_IMPLEMENTED(at::detail::getCUDAHooks().isGPUArch({"gfx950"}),
-              "Block-wise scaling for Float8_e8m0fnu is only supported on gfx950");
-
-  TORCH_CHECK_VALUE(mat_a.size(0) % 32 == 0 && mat_a.size(1) % 32 == 0 &&
-              mat_b.size(0) % 32 == 0 && mat_b.size(1) % 32 == 0,
-              "Matrix dimensions must be multiples of 32 for block-wise scaling");
-
-  TORCH_CHECK_VALUE(out.scalar_type() == ScalarType::BFloat16 ||
-              out.scalar_type() == ScalarType::Half,
-              "Block-wise scaling only supports BFloat16 or Half output types");
-#else
-    TORCH_CHECK_NOT_IMPLEMENTED(false, "Block-wise scaling for Float8_e8m0fnu requires ROCm 7.0 or later");
-#endif
-
-  return _scaled_gemm(mat_a, mat_b, scale_a, scale_b, scaling_choice_a, scaling_choice_b, bias, false /* use_fast_accum */, out);
-}
-
 Tensor&
 _scaled_nvfp4_nvfp4(
           const Tensor& mat_a, const Tensor& mat_b,
@@ -2314,23 +2232,12 @@ _scaled_nvfp4_nvfp4(
           const Tensor& scale_b, const SwizzleType swizzle_b,
           const std::optional<Tensor>& bias,
           const c10::ScalarType out_dtype,
-          Tensor& out,
-          const std::optional<Tensor>& global_scale_a = std::nullopt,
-          const std::optional<Tensor>& global_scale_b = std::nullopt) {
+          const bool single_scale,
+          Tensor& out) {
 #ifdef USE_ROCM
   TORCH_CHECK_NOT_IMPLEMENTED(false, "NVFP4 scaling not supported on ROCM");
 #endif
-  std::optional<Tensor> alpha = std::nullopt;
-  // Note: "Or" here means that if only one scale is passed, we check for the other. Otherwise,
-  //       if this is "And" we would silently do nothing in the case where one global scale is
-  //       passed and not the other.
-  if (global_scale_a.has_value() || global_scale_b.has_value()) {
-    TORCH_CHECK_VALUE(global_scale_a.has_value(),
-        "For two-level-scaled NVFP4, global_scale_a must have a value");
-    TORCH_CHECK_VALUE(global_scale_b.has_value(),
-        "For two-level-scaled NVFP4, global_scale_b must have a value");
-    alpha = global_scale_a.value().mul(global_scale_b.value());
-  }
+  TORCH_CHECK_VALUE(single_scale, "Only single-scaled NVFP4 currently supported");
   // Restrictions:
   // A, B are FP4, scales are e8m0, A: shape K//32, B: K, N//32
   // Scales must be swizzled
@@ -2352,7 +2259,7 @@ _scaled_nvfp4_nvfp4(
 
   auto scaling_choice_a = ScalingType::BlockWise1x16;
   auto scaling_choice_b = ScalingType::BlockWise1x16;
-  return _scaled_gemm(mat_a, mat_b, scale_a, scale_b, scaling_choice_a, scaling_choice_b, bias, false /* use_fast_accum */, out, alpha);
+  return _scaled_gemm(mat_a, mat_b, scale_a, scale_b, scaling_choice_a, scaling_choice_b, bias, false /* use_fast_accum */, out);
 }
 
 
@@ -2558,12 +2465,9 @@ _scaled_mm_cuda_v2_out(
   } else if (gemm_impl == ScaledGemmImplementation::MXFP8_MXFP8) {
     return _scaled_mxfp8_mxfp8(mat_a, mat_b, scale_a[0], swizzle_a_enum[0], scale_b[0], swizzle_b_enum[0], bias, out_dtype_, out);
   } else if (gemm_impl == ScaledGemmImplementation::NVFP4_NVFP4) {
-    return _scaled_nvfp4_nvfp4(mat_a, mat_b, scale_a[0], swizzle_a_enum[0], scale_b[0], swizzle_b_enum[0], bias, out_dtype_, out,
-                               scale_a[1], scale_b[1]);
+    TORCH_CHECK_NOT_IMPLEMENTED(false, "Only single-scale NVFP4 currently supported");
   } else if (gemm_impl == ScaledGemmImplementation::NVFP4_NVFP4_SINGLE_SCALE) {
-    return _scaled_nvfp4_nvfp4(mat_a, mat_b, scale_a[0], swizzle_a_enum[0], scale_b[0], swizzle_b_enum[0], bias, out_dtype_, out);
-  } else if (gemm_impl == ScaledGemmImplementation::MXFP4_MXFP4) {
-    return _scaled_mxfp4_mxfp4(mat_a, mat_b, scale_a[0], swizzle_a_enum[0], scale_b[0], swizzle_b_enum[0], bias, out_dtype_, out);
+    return _scaled_nvfp4_nvfp4(mat_a, mat_b, scale_a[0], swizzle_a_enum[0], scale_b[0], swizzle_b_enum[0], bias, out_dtype_, true /* single_scale */, out);
   } else {
     TORCH_CHECK_VALUE(false, "Invalid state - found an implementation, but not really");
   }

aten/src/ATen/native/cuda/DilatedMaxPool2d.cu

@@ -38,41 +38,12 @@ __device__ inline int min(int a, int b) {
 #define BLOCK_STRIDE_BWD 2 // increasing block_stride to lower # of blocks launched
 #endif
 
-template <typename index_t>
-static __device__ inline index_t p_start(index_t size, int pad, int kernel, int dilation, int stride) {
-  const auto kernel_extent = static_cast<index_t>((kernel - 1) * dilation + 1);
-  return (size + pad < kernel_extent) ? index_t(0) : (size + pad - kernel_extent) / stride + 1;
+static __device__ inline int p_start(int size, int pad, int kernel, int dilation, int stride) {
+  return (size + pad < ((kernel - 1) * dilation + 1)) ? 0 : (size + pad - ((kernel - 1) * dilation + 1)) / stride + 1;
 }
 
-template <typename index_t>
-static __device__ inline index_t p_end(index_t size, int pad, index_t pooled_size, int stride) {
-  return std::min((size + pad) / stride + 1, pooled_size);
-}
-
-static inline bool can_use_int32_nhwc(
-    int64_t nbatch, int64_t channels,
-    int64_t height, int64_t width,
-    int64_t pooled_height, int64_t pooled_width,
-    int64_t in_stride_n, int64_t in_stride_c,
-    int64_t in_stride_h, int64_t in_stride_w)
-{
-  constexpr int64_t int_max = std::numeric_limits<int>::max();
-
-  int64_t max_intra_batch =
-      (height ? (height - 1) * in_stride_h : 0) +
-      (width ? (width - 1) * in_stride_w : 0) +
-      (channels? (channels - 1) * in_stride_c : 0);
-
-  int64_t max_input_offset = (nbatch ? (nbatch - 1) * in_stride_n : 0) + max_intra_batch;
-
-  if (max_input_offset > int_max) return false;
-
-  int64_t out_batch_stride = pooled_height * pooled_width * channels;
-  if ((nbatch ? (nbatch - 1) * out_batch_stride : 0) > int_max) return false;
-
-  if (height * width > int_max) return false;
-
-  return true;
+static __device__ inline int p_end(int size, int pad, int pooled_size, int stride) {
+  return min((size + pad) / stride + 1, pooled_size);
 }
 
 // kernels borrowed from Caffe
@@ -114,25 +85,21 @@ __global__ void max_pool_forward_nchw(const int nthreads, const scalar_t* bottom
   }
 }
 
-template <typename scalar_t, typename index_t>
+template <typename scalar_t>
 C10_LAUNCH_BOUNDS_1(CUDA_MAX_THREADS)
-__global__ void max_pool_forward_nhwc(
-    const scalar_t* bottom_data,
-    const int nbatch,
-    const index_t channels, const index_t height, const index_t width,
-    const index_t pooled_height, const index_t pooled_width,
-    const int kernel_h, const int kernel_w, const int stride_h,
-    const int stride_w, const int pad_h, const int pad_w,
-    const int dilation_h, const int dilation_w,
-    const index_t in_stride_n, const index_t in_stride_c,
-    const index_t in_stride_h, const index_t in_stride_w,
-    const int kernel_stride_C, const int kernel_size_C,
-    scalar_t* top_data, int64_t* top_mask) {
-
-  extern __shared__ unsigned char smem_raw[];
-  index_t *out_mask_cached = reinterpret_cast<index_t*>(smem_raw);
-  scalar_t *out_cached = reinterpret_cast<scalar_t*>(
-      out_mask_cached + kernel_size_C*blockDim.x*blockDim.y*blockDim.z);
+__global__ void max_pool_forward_nhwc(const scalar_t* bottom_data, const int nbatch,
+                                   const int64_t channels, const int64_t height,
+                                   const int64_t width, const int pooled_height, const int pooled_width,
+                                   const int kernel_h, const int kernel_w, const int stride_h,
+                                   const int stride_w, const int pad_h, const int pad_w,
+                                   const int dilation_h, const int dilation_w,
+                                   const int in_stride_n, const int in_stride_c,
+                                   const int in_stride_h, const int in_stride_w,
+                                   const int kernel_stride_C, const int kernel_size_C,
+                                   scalar_t* top_data, int64_t* top_mask) {
+  extern __shared__ int smem[];
+  int *out_mask_cached = smem;
+  scalar_t *out_cached = reinterpret_cast<scalar_t*>(&out_mask_cached[kernel_size_C*blockDim.x*blockDim.y*blockDim.z]);
 
   // flattening cta for pre-computation & smem initialization;
   int thread_id = threadIdx.x + blockDim.x * (threadIdx.y + blockDim.y * threadIdx.z);
@@ -151,26 +118,26 @@ __global__ void max_pool_forward_nhwc(
   int channel_id = blockIdx.x / nbatch;
   int channel_offset = threadIdx.x + channel_id * blockDim.x;
 
-  top_data = top_data + static_cast<index_t>(batch_id) * (pooled_height * pooled_width * channels);
-  top_mask = top_mask + static_cast<index_t>(batch_id) * (pooled_height * pooled_width * channels);
-  bottom_data = bottom_data + static_cast<index_t>(batch_id) * in_stride_n;
+  top_data = top_data + batch_id * pooled_height * pooled_width * channels;
+  top_mask = top_mask + batch_id * pooled_height * pooled_width * channels;
+  bottom_data = bottom_data + batch_id * in_stride_n;
 
-  out_cached += (threadIdx.z * blockDim.y + threadIdx.y) * kernel_size_C*blockDim.x;
-  out_mask_cached  += (threadIdx.z * blockDim.y + threadIdx.y) * kernel_size_C*blockDim.x;
+  out_cached = &out_cached[(threadIdx.z * blockDim.y + threadIdx.y) * kernel_size_C*blockDim.x];
+  out_mask_cached = &out_mask_cached[(threadIdx.z * blockDim.y + threadIdx.y) * kernel_size_C*blockDim.x];
 
-  int oH = (static_cast<int>(pooled_height) + gridDim.z - 1) / gridDim.z;
-  int oW = (static_cast<int>(pooled_width)  + gridDim.y - 1) / gridDim.y;
+  int oH = (pooled_height + gridDim.z-1) / gridDim.z;
+  int oW = (pooled_width + gridDim.y-1) / gridDim.y;
   int ostartH = threadIdx.z + blockIdx.z*oH;
-  int oendH = ::min(ostartH+oH, static_cast<int>(pooled_height));
+  int oendH = ::min(ostartH+oH, pooled_height);
   int ostartW = threadIdx.y + blockIdx.y*oW;
-  int oendW = ::min(ostartW+oW, static_cast<int>(pooled_width));
+  int oendW = ::min(ostartW+oW, pooled_width);
 
   for (int oh = ostartH; oh < oendH; oh+=blockDim.z) {
-    index_t hstart = static_cast<index_t>(oh) * stride_h - pad_h;
-    index_t hend = std::min(hstart + static_cast<index_t>((kernel_h - 1) * dilation_h + 1), height);
+    int hstart = oh * stride_h - pad_h;
+    int hend = min(hstart + (kernel_h - 1) * dilation_h + 1, height);
     for (int ow = ostartW; ow < oendW; ow+=blockDim.y) {
-      index_t wstart = static_cast<index_t>(ow) * stride_w - pad_w;
-      index_t wend = std::min(wstart + static_cast<index_t>((kernel_w - 1) * dilation_w + 1), width);
+      int wstart = ow * stride_w - pad_w;
+      int wend = min(wstart + (kernel_w - 1) * dilation_w + 1, width);
       while(hstart < 0)
         hstart += dilation_h;
       while(wstart < 0)
@@ -218,12 +185,12 @@ __global__ void max_pool_forward_nhwc(
       // Else do it Non-Prefetch...
       else
 #endif
-      for (index_t ih = hstart; ih < hend; ih += dilation_h) {
-        for (index_t iw = wstart; iw < wend; iw += dilation_w) {
+      for (int ih = hstart; ih < hend; ih += dilation_h) {
+        for (int iw = wstart; iw < wend; iw += dilation_w) {
           int cached_index = threadIdx.x;
           const scalar_t *ptr_input = bottom_data + ih * in_stride_h + iw * in_stride_w;
-          for (index_t c = channel_offset; c < channels; c += static_cast<index_t>(blockDim.x) * kernel_stride_C) {
-            scalar_t val = ptr_input[c * in_stride_c];
+          for(int c = channel_offset; c < channels; c+= blockDim.x*kernel_stride_C) {
+            scalar_t val = ptr_input[c*in_stride_c];
             if ((val > out_cached[cached_index]) || at::_isnan(val)) {
               out_cached[cached_index] = val;
               out_mask_cached[cached_index] = ih * width + iw;
@@ -233,15 +200,15 @@ __global__ void max_pool_forward_nhwc(
         }
       }
 
-      scalar_t *ptr_output_data = top_data + (static_cast<index_t>(oh) * pooled_width + ow) * channels;
-      int64_t *ptr_output_mask = top_mask + (static_cast<index_t>(oh) * pooled_width + ow) * channels;
+      scalar_t *ptr_output_data = top_data + (oh * pooled_width + ow) * channels;
+      int64_t *ptr_output_mask = top_mask + (oh * pooled_width + ow) * channels;
 
       int cached_index = threadIdx.x;
-      for (index_t c = channel_offset; c < channels; c += static_cast<index_t>(blockDim.x) * kernel_stride_C) {
+      for(int c = channel_offset; c < channels; c+= blockDim.x*kernel_stride_C) {
         ptr_output_data[c] = out_cached[cached_index];
-        ptr_output_mask[c] = static_cast<int64_t>(out_mask_cached[cached_index]);
+        ptr_output_mask[c] = out_mask_cached[cached_index];
         out_cached[cached_index] = at::numeric_limits<scalar_t>::lower_bound();
-        out_mask_cached[cached_index] = index_t(0);
+        out_mask_cached[cached_index] = 0;
         cached_index += blockDim.x;
       }
     }
@@ -249,7 +216,7 @@ __global__ void max_pool_forward_nhwc(
 }
 
 
-static constexpr int BLOCK_THREADS = 256;
+static const int BLOCK_THREADS = 256;
 
 template <typename scalar_t, typename accscalar_t>
 #if defined (USE_ROCM)
@@ -495,11 +462,6 @@ const Tensor& indices) {
               maxThreadsDim[0], std::min<int>(lastPow2(nInputPlane), max_threads / block_y / block_z));
           const dim3 block(block_x, block_y, block_z);
 
-          bool use_int32 = can_use_int32_nhwc(
-              nbatch, nInputPlane, inputHeight, inputWidth,
-              outputHeight, outputWidth,
-              in_stride_n, in_stride_c, in_stride_h, in_stride_w);
-
           int kernel_stride_C = ceil_div(
               safe_downcast<int, int64_t>(nInputPlane), block_x * 4);
           int kernel_size_C = ceil_div(
@@ -514,41 +476,18 @@ const Tensor& indices) {
               ceil_div(safe_downcast<int, int64_t>(outputHeight), block_z*BLOCK_STRIDE_FWD));
           const dim3 grid(grid_x, grid_y, grid_z);
 
-          size_t shmem_size;
-          size_t mask_elems = static_cast<size_t>(kernel_size_C) * block_x * block_y * block_z;
+          size_t shmem_size = (kernel_size_C * block_x*block_y*block_z) * (sizeof(int) + sizeof(scalar_t));
+          AT_ASSERT(shmem_size <= at::cuda::getCurrentDeviceProperties()->sharedMemPerBlock);
 
-          if (use_int32) {
-            shmem_size = mask_elems * (sizeof(int32_t) + sizeof(scalar_t));
-            TORCH_CHECK(shmem_size <= at::cuda::getCurrentDeviceProperties()->sharedMemPerBlock,
-                        "shared memory too small");
-            max_pool_forward_nhwc<scalar_t, int32_t>
-              <<<grid, block, shmem_size, at::cuda::getCurrentCUDAStream()>>>(
-                input_data, static_cast<int>(nbatch),
-                static_cast<int32_t>(nInputPlane),
-                static_cast<int32_t>(inputHeight),
-                static_cast<int32_t>(inputWidth),
-                static_cast<int32_t>(outputHeight),
-                static_cast<int32_t>(outputWidth),
-                kH, kW, dH, dW, padH, padW, dilationH, dilationW,
-                static_cast<int32_t>(in_stride_n),
-                static_cast<int32_t>(in_stride_c),
-                static_cast<int32_t>(in_stride_h),
-                static_cast<int32_t>(in_stride_w),
-                kernel_stride_C, kernel_size_C,
-                output_data, indices_data);
-          } else {
-            shmem_size = mask_elems * (sizeof(int64_t) + sizeof(scalar_t));
-            TORCH_CHECK(shmem_size <= at::cuda::getCurrentDeviceProperties()->sharedMemPerBlock,
-                        "shared memory too small");
-            max_pool_forward_nhwc<scalar_t, int64_t>
-              <<<grid, block, shmem_size, at::cuda::getCurrentCUDAStream()>>>(
-                input_data, static_cast<int>(nbatch),
-                nInputPlane, inputHeight, inputWidth, outputHeight, outputWidth,
-                kH, kW, dH, dW, padH, padW, dilationH, dilationW,
-                in_stride_n, in_stride_c, in_stride_h, in_stride_w,
-                kernel_stride_C, kernel_size_C,
-                output_data, indices_data);
-          }
+          max_pool_forward_nhwc<scalar_t>
+          <<<grid, block, shmem_size, at::cuda::getCurrentCUDAStream()>>>(
+              input_data, nbatch,
+                  nInputPlane, inputHeight, inputWidth, outputHeight, outputWidth,
+                  kH, kW, dH, dW, padH, padW, dilationH, dilationW,
+                  in_stride_n, in_stride_c,
+                  in_stride_h, in_stride_w,
+                  kernel_stride_C, kernel_size_C,
+                  output_data, indices_data);
           C10_CUDA_KERNEL_LAUNCH_CHECK();
           break;
         }

aten/src/ATen/native/cuda/Embedding.cu

@@ -15,7 +15,9 @@
 #include <ATen/native/cuda/block_reduce.cuh>
 #include <ATen/native/cuda/thread_constants.h>
 
+#if CUB_SUPPORTS_SCAN_BY_KEY()
 #include <thrust/iterator/reverse_iterator.h>
+#endif
 
 #ifndef AT_PER_OPERATOR_HEADERS
 #include <ATen/Functions.h>
@@ -34,9 +36,9 @@ namespace at::native {
 namespace {
 
 #if defined(USE_ROCM)
-static constexpr int BLOCKDIMY = 16;
+static const int BLOCKDIMY = 16;
 #else
-static constexpr int BLOCKDIMY = 32;
+static const int BLOCKDIMY = 32;
 #endif
 
 template
@@ -238,6 +240,10 @@ __global__ void renorm_kernel(
 
 } // anonymous namespace
 
+#if !CUB_SUPPORTS_SCAN_BY_KEY()
+template<typename index_t>
+void embedding_dense_backward_cuda_scan(Tensor &sorted_indices, Tensor &count);
+#endif
 
 Tensor embedding_dense_backward_cuda(const Tensor & grad_, const Tensor & indices_,
                                int64_t num_weights, int64_t padding_idx,
@@ -300,6 +306,7 @@ Tensor embedding_dense_backward_cuda(const Tensor & grad_, const Tensor & indice
 
   if (scale_grad_by_freq) {
     count = at::empty_like(indices, LEGACY_CONTIGUOUS_MEMORY_FORMAT);
+#if CUB_SUPPORTS_SCAN_BY_KEY()
     AT_DISPATCH_INDEX_TYPES(indices.scalar_type(), "embedding_dense_backward_cuda", [&] () {
       cudaStream_t stream = at::cuda::getCurrentCUDAStream();
 
@@ -326,6 +333,11 @@ Tensor embedding_dense_backward_cuda(const Tensor & grad_, const Tensor & indice
         num_indices
       );
     });
+#else
+    AT_DISPATCH_INDEX_TYPES(indices.scalar_type(), "embedding_dense_backward_cuda", [&] () {
+      embedding_dense_backward_cuda_scan<index_t>(sorted_indices, count);
+    });
+#endif
   }
 
   return embedding_backward_cuda_kernel(grad, orig_indices,

aten/src/ATen/native/cuda/EmbeddingBackwardKernel.cu

@@ -10,7 +10,9 @@
 
 #include <c10/macros/Macros.h>
 
+#if CUB_SUPPORTS_UNIQUE_BY_KEY()
 #include <thrust/iterator/counting_iterator.h>
+#endif
 
 #ifndef AT_PER_OPERATOR_HEADERS
 #include <ATen/Functions.h>
@@ -194,9 +196,18 @@ __global__ void compute_num_of_partial_segments(const index_t *partials_per_segm
             partials_per_segment_offset[num_of_segments-1];
 }
 
+#if !CUB_SUPPORTS_UNIQUE_BY_KEY()
+__global__ void write_num_of_segments_for_legacy_thrust_path(int64_t *num_of_segments_ptr, int64_t num_of_segments) {
+  *num_of_segments_ptr = num_of_segments;
+}
+#endif
 
 } // anon namespace
 
+#if !CUB_SUPPORTS_UNIQUE_BY_KEY()
+template<typename index_t>
+int64_t embedding_backward_cuda_kernel_unique_by_key(const Tensor &sorted_indices, Tensor &segment_offsets);
+#endif
 
 Tensor embedding_backward_cuda_kernel(
         const Tensor &grad,
@@ -223,12 +234,20 @@ Tensor embedding_backward_cuda_kernel(
   auto segment_offsets = at::empty({numel}, orig_indices.options());
   auto num_of_segments_tensor = at::empty({}, grad.options().dtype(kLong));
   int64_t *num_of_segments_ptr = num_of_segments_tensor.mutable_data_ptr<int64_t>();
+#if !CUB_SUPPORTS_UNIQUE_BY_KEY()
+  AT_DISPATCH_INDEX_TYPES(orig_indices.scalar_type(), "embedding_backward_cuda_kernel", [&] () {
+    int64_t num_of_segments = embedding_backward_cuda_kernel_unique_by_key<index_t>(sorted_indices, segment_offsets);
+    write_num_of_segments_for_legacy_thrust_path<<<1, 1, 0, c10::cuda::getCurrentCUDAStream()>>>(num_of_segments_ptr, num_of_segments);
+    C10_CUDA_KERNEL_LAUNCH_CHECK();
+  });
+#else
   AT_DISPATCH_INDEX_TYPES(orig_indices.scalar_type(), "embedding_backward_cuda_kernel", [&] () {
     cuda::cub::unique_by_key(
       sorted_indices.const_data_ptr<index_t>(), thrust::make_counting_iterator(0),
       segment_offsets.mutable_data_ptr<index_t>(),
       num_of_segments_ptr, sorted_indices.numel());
   });
+#endif
 
   int64_t max_segments = std::min<int64_t>(numel, num_weights);
 

aten/src/ATen/native/cuda/EmbeddingBag.cu

@@ -31,10 +31,16 @@
 
 #include <c10/macros/Macros.h>
 
+#if CUB_SUPPORTS_SCAN_BY_KEY()
 #include <thrust/iterator/reverse_iterator.h>
+#endif
 
 namespace at::native {
 
+#if !CUB_SUPPORTS_SCAN_BY_KEY()
+template<typename index_t>
+void embedding_dense_backward_cuda_scan(Tensor &sorted_indices, Tensor &count);
+#endif
 
 namespace {
 
@@ -193,6 +199,7 @@ Tensor embedding_bag_backward_cuda_sum_avg(
 
   if (scale_grad_by_freq) {
     count = at::empty_like(indices, LEGACY_CONTIGUOUS_MEMORY_FORMAT);
+#if CUB_SUPPORTS_SCAN_BY_KEY()
     AT_DISPATCH_INDEX_TYPES(indices.scalar_type(), "embedding_bag_backward_cuda_sum_avg", [&] () {
       cudaStream_t stream = at::cuda::getCurrentCUDAStream();
 
@@ -219,6 +226,11 @@ Tensor embedding_bag_backward_cuda_sum_avg(
         num_indices
       );
     });
+#else
+    AT_DISPATCH_INDEX_TYPES(indices.scalar_type(), "embedding_bag_backward_cuda_sum_avg", [&] () {
+      embedding_dense_backward_cuda_scan<index_t>(sorted_indices, count);
+    });
+#endif
   }
   return embedding_backward_cuda_kernel(grad, orig_indices, sorted_indices,
       count, num_weights, padding_idx, mode == EmbeddingBagMode::MEAN, offset2bag,

aten/src/ATen/native/cuda/IGammaKernel.cu

@@ -82,7 +82,7 @@ __host__ __device__ scalar_t lanczos_sum_expg_scaled(scalar_t x) {
   // lanczos approximation
   using accscalar_t = at::acc_type<scalar_t, /*is_cuda=*/true>;
 
-  constexpr accscalar_t lanczos_sum_expg_scaled_num[13] = {
+  static const accscalar_t lanczos_sum_expg_scaled_num[13] = {
     0.006061842346248906525783753964555936883222,
     0.5098416655656676188125178644804694509993,
     19.51992788247617482847860966235652136208,
@@ -97,7 +97,7 @@ __host__ __device__ scalar_t lanczos_sum_expg_scaled(scalar_t x) {
     103794043.1163445451906271053616070238554,
     56906521.91347156388090791033559122686859
   };
-  constexpr accscalar_t lanczos_sum_expg_scaled_denom[13] = {
+  static const accscalar_t lanczos_sum_expg_scaled_denom[13] = {
     1.,
     66.,
     1925.,
@@ -126,10 +126,10 @@ __host__ __device__ scalar_t _igam_helper_fac(scalar_t a, scalar_t x) {
 
   using accscalar_t = at::acc_type<scalar_t, /*is_cuda=*/true>;
   accscalar_t ax, fac, res, num, numfac;
-  constexpr accscalar_t MAXLOG = std::is_same_v<accscalar_t,double> ?
+  static const accscalar_t MAXLOG = std::is_same_v<accscalar_t,double> ?
     7.09782712893383996843E2 : 88.72283905206835;
-  constexpr accscalar_t EXP1 = 2.718281828459045;
-  constexpr accscalar_t lanczos_g = 6.024680040776729583740234375;
+  static const accscalar_t EXP1 = 2.718281828459045;
+  static const accscalar_t lanczos_g = 6.024680040776729583740234375;
 
   if (::fabs(a - x) > 0.4 * ::fabs(a)) {
     ax = a * ::log(x) - x - ::lgamma(a);
@@ -158,9 +158,9 @@ __host__ __device__ scalar_t _igam_helper_series(scalar_t a, scalar_t x) {
   // Compute igam using DLMF 8.11.4. [igam1]
 
   using accscalar_t = at::acc_type<scalar_t, /*is_cuda=*/true>;
-  constexpr accscalar_t MACHEP = std::is_same_v<accscalar_t, double> ?
+  static const accscalar_t MACHEP = std::is_same_v<accscalar_t, double> ?
     1.11022302462515654042E-16 : 5.9604644775390625E-8;
-  constexpr int MAXITER = 2000;
+  static const int MAXITER = 2000;
 
   int i;
   accscalar_t ans, ax, c, r;
@@ -196,8 +196,8 @@ __host__ __device__ scalar_t _igamc_helper_series(scalar_t a, scalar_t x) {
   accscalar_t fac = 1;
   accscalar_t sum = 0;
   accscalar_t term, logx;
-  constexpr int MAXITER = 2000;
-  constexpr accscalar_t MACHEP = std::is_same_v<accscalar_t, double> ?
+  static const int MAXITER = 2000;
+  static const accscalar_t MACHEP = std::is_same_v<accscalar_t, double> ?
     1.11022302462515654042E-16 : 5.9604644775390625E-8;
 
   for (n = 1; n < MAXITER; n++) {
@@ -219,7 +219,7 @@ __host__ __device__ scalar_t _igam_helper_asymptotic_series(scalar_t a, scalar_t
   // Compute igam/igamc using DLMF 8.12.3/8.12.4 [igam1]
 
   using accscalar_t = at::acc_type<scalar_t, /*is_cuda=*/true>;
-  constexpr accscalar_t d[25][25] =
+  static const accscalar_t d[25][25] =
     {{-3.3333333333333333e-1, 8.3333333333333333e-2, -1.4814814814814815e-2, 1.1574074074074074e-3, 3.527336860670194e-4, -1.7875514403292181e-4, 3.9192631785224378e-5, -2.1854485106799922e-6, -1.85406221071516e-6, 8.296711340953086e-7, -1.7665952736826079e-7, 6.7078535434014986e-9, 1.0261809784240308e-8, -4.3820360184533532e-9, 9.1476995822367902e-10, -2.551419399494625e-11, -5.8307721325504251e-11, 2.4361948020667416e-11, -5.0276692801141756e-12, 1.1004392031956135e-13, 3.3717632624009854e-13, -1.3923887224181621e-13, 2.8534893807047443e-14, -5.1391118342425726e-16, -1.9752288294349443e-15},
     {-1.8518518518518519e-3, -3.4722222222222222e-3, 2.6455026455026455e-3, -9.9022633744855967e-4, 2.0576131687242798e-4, -4.0187757201646091e-7, -1.8098550334489978e-5, 7.6491609160811101e-6, -1.6120900894563446e-6, 4.6471278028074343e-9, 1.378633446915721e-7, -5.752545603517705e-8, 1.1951628599778147e-8, -1.7543241719747648e-11, -1.0091543710600413e-9, 4.1627929918425826e-10, -8.5639070264929806e-11, 6.0672151016047586e-14, 7.1624989648114854e-12, -2.9331866437714371e-12, 5.9966963656836887e-13, -2.1671786527323314e-16, -4.9783399723692616e-14, 2.0291628823713425e-14, -4.13125571381061e-15},
     {4.1335978835978836e-3, -2.6813271604938272e-3, 7.7160493827160494e-4, 2.0093878600823045e-6, -1.0736653226365161e-4, 5.2923448829120125e-5, -1.2760635188618728e-5, 3.4235787340961381e-8, 1.3721957309062933e-6, -6.298992138380055e-7, 1.4280614206064242e-7, -2.0477098421990866e-10, -1.4092529910867521e-8, 6.228974084922022e-9, -1.3670488396617113e-9, 9.4283561590146782e-13, 1.2872252400089318e-10, -5.5645956134363321e-11, 1.1975935546366981e-11, -4.1689782251838635e-15, -1.0940640427884594e-12, 4.6622399463901357e-13, -9.905105763906906e-14, 1.8931876768373515e-17, 8.8592218725911273e-15},
@@ -248,7 +248,7 @@ __host__ __device__ scalar_t _igam_helper_asymptotic_series(scalar_t a, scalar_t
 
   int k, n, sgn;
   int maxpow = 0;
-  constexpr accscalar_t MACHEP = std::is_same_v<accscalar_t, double> ?
+  static const accscalar_t MACHEP = std::is_same_v<accscalar_t, double> ?
     1.11022302462515654042E-16 : 5.9604644775390625E-8;
   accscalar_t lambda = x / a;
   accscalar_t sigma = (x - a) / a;
@@ -314,12 +314,12 @@ __host__ __device__ scalar_t _igamc_helper_continued_fraction(scalar_t a, scalar
   int i;
   accscalar_t ans, ax, c, yc, r, t, y, z;
   accscalar_t pk, pkm1, pkm2, qk, qkm1, qkm2;
-  constexpr int MAXITER = 2000;
-  constexpr accscalar_t MACHEP = std::is_same_v<accscalar_t, double> ?
+  static const int MAXITER = 2000;
+  static const accscalar_t MACHEP = std::is_same_v<accscalar_t, double> ?
     1.11022302462515654042E-16 : 5.9604644775390625E-8;
-  constexpr accscalar_t BIG = std::is_same_v<accscalar_t,double> ?
+  static const accscalar_t BIG = std::is_same_v<accscalar_t,double> ?
     4.503599627370496e15 : 16777216.;
-  constexpr accscalar_t BIGINV = std::is_same_v<accscalar_t,double> ?
+  static const accscalar_t BIGINV = std::is_same_v<accscalar_t,double> ?
     2.22044604925031308085e-16 : 5.9604644775390625E-8;
 
   ax = _igam_helper_fac(a, x);
@@ -385,10 +385,10 @@ __noinline__ __host__ __device__ scalar_t calc_igammac(scalar_t a, scalar_t x) {
   using accscalar_t = at::acc_type<scalar_t, /*is_cuda=*/true>;
   accscalar_t absxma_a;
 
-  constexpr accscalar_t SMALL = 20.0;
-  constexpr accscalar_t LARGE = 200.0;
-  constexpr accscalar_t SMALLRATIO = 0.3;
-  constexpr accscalar_t LARGERATIO = 4.5;
+  static const accscalar_t SMALL = 20.0;
+  static const accscalar_t LARGE = 200.0;
+  static const accscalar_t SMALLRATIO = 0.3;
+  static const accscalar_t LARGERATIO = 4.5;
 
   if ((x < 0) || (a < 0)) {
     // out of defined-region of the function
@@ -467,10 +467,10 @@ __noinline__ __host__ __device__ scalar_t calc_igamma(scalar_t a, scalar_t x) {
 
   using accscalar_t = at::acc_type<scalar_t, /*is_cuda=*/true>;
   accscalar_t absxma_a;
-  constexpr accscalar_t SMALL = 20.0;
-  constexpr accscalar_t LARGE = 200.0;
-  constexpr accscalar_t SMALLRATIO = 0.3;
-  constexpr accscalar_t LARGERATIO = 4.5;
+  static const accscalar_t SMALL = 20.0;
+  static const accscalar_t LARGE = 200.0;
+  static const accscalar_t SMALLRATIO = 0.3;
+  static const accscalar_t LARGERATIO = 4.5;
 
   // boundary values following SciPy
   if ((x < 0) || (a < 0)) {

aten/src/ATen/native/cuda/LegacyThrustHelpers.cu

@@ -0,0 +1,90 @@
+#define TORCH_ASSERT_ONLY_METHOD_OPERATORS
+#include <ATen/core/Tensor.h>
+#include <ATen/native/cuda/SortingCommon.cuh>
+#include <ATen/cuda/cub_definitions.cuh>
+
+#ifndef AT_PER_OPERATOR_HEADERS
+#include <ATen/Functions.h>
+#else
+#include <ATen/ops/empty_like.h>
+#endif
+
+#include <ATen/cuda/ThrustAllocator.h>
+#include <thrust/device_ptr.h>
+#include <thrust/execution_policy.h>
+#include <thrust/sort.h>
+#include <thrust/unique.h>
+#include <thrust/device_ptr.h>
+#include <thrust/iterator/constant_iterator.h>
+
+namespace at::native {
+
+#if !CUB_SUPPORTS_SCAN_BY_KEY()
+
+template<typename index_t>
+void embedding_dense_backward_cuda_scan(Tensor &sorted_indices, Tensor &count) {
+  cudaStream_t stream = at::cuda::getCurrentCUDAStream();
+  at::cuda::ThrustAllocator allocator;
+  auto policy = thrust::cuda::par(allocator).on(stream);
+
+  auto num_indices = count.numel();
+
+  // Compute an increasing sequence per unique item in sortedIndices:
+  // sorted: 2 5 5 5 7 7 8 9 9
+  //  count: 1 1 2 3 1 2 1 1 2
+  auto sorted_data = thrust::device_ptr<const index_t>(sorted_indices.const_data_ptr<index_t>());
+  auto count_data = thrust::device_ptr<index_t>(count.mutable_data_ptr<index_t>());
+  thrust::inclusive_scan_by_key(
+    policy,
+    sorted_data,
+    sorted_data + num_indices,
+    thrust::make_constant_iterator(1),
+    count_data
+  );
+
+  // Take the maximum of each count per unique key in reverse:
+  // sorted: 2 5 5 5 7 7 8 9 9
+  //  count: 1 3 3 3 2 2 1 2 2
+  thrust::inclusive_scan_by_key(
+    policy,
+    thrust::make_reverse_iterator(sorted_data + num_indices),
+    thrust::make_reverse_iterator(sorted_data),
+    thrust::make_reverse_iterator(count_data + num_indices),
+    thrust::make_reverse_iterator(count_data + num_indices),
+    thrust::equal_to<index_t>(),
+    thrust::maximum<index_t>()
+  );
+}
+
+template
+void embedding_dense_backward_cuda_scan<int>(Tensor &sorted_indices, Tensor &count);
+template
+void embedding_dense_backward_cuda_scan<int64_t>(Tensor &sorted_indices, Tensor &count);
+
+#endif
+
+template<typename index_t>
+int64_t embedding_backward_cuda_kernel_unique_by_key(const Tensor &sorted_indices, Tensor &segment_offsets) {
+  auto stream = at::cuda::getCurrentCUDAStream();
+  at::cuda::ThrustAllocator allocator;
+  auto policy = thrust::cuda::par(allocator).on(stream);
+  const ptrdiff_t numel = sorted_indices.numel();
+  auto sorted_indices_dev = thrust::device_ptr<const index_t>(sorted_indices.const_data_ptr<index_t>());
+  auto dummy = at::empty_like(sorted_indices, LEGACY_CONTIGUOUS_MEMORY_FORMAT);
+  auto dummy_dev = thrust::device_ptr<index_t>(dummy.mutable_data_ptr<index_t>());
+  auto ends = thrust::unique_by_key_copy(
+          policy,
+          sorted_indices_dev,
+          sorted_indices_dev + numel,
+          thrust::make_counting_iterator(0),
+          dummy_dev,
+          thrust::device_ptr<index_t>(segment_offsets.mutable_data_ptr<index_t>()));
+  return thrust::get<0>(ends) - dummy_dev;
+}
+
+template
+int64_t embedding_backward_cuda_kernel_unique_by_key<int>(const Tensor &sorted_indices, Tensor &segment_offsets);
+template
+int64_t embedding_backward_cuda_kernel_unique_by_key<int64_t>(const Tensor &sorted_indices, Tensor &segment_offsets);
+
+} // namespace at::native

aten/src/ATen/native/cuda/Loops.cuh

@@ -1,17 +1,18 @@
 #pragma once
 
-#include <ATen/OpMathType.h>
-#include <ATen/cuda/detail/OffsetCalculator.cuh>
 #include <ATen/detail/FunctionTraits.h>
 #include <ATen/native/TensorIterator.h>
 #include <ATen/native/TensorIteratorDynamicCasting.h>
+#include <ATen/cuda/detail/OffsetCalculator.cuh>
+#include <ATen/OpMathType.h>
 #include <ATen/native/cuda/thread_constants.h>
+
+#include <thrust/tuple.h>
+
 #include <ATen/native/cuda/MemoryAccess.cuh>
 
 #include <tuple>
 
-
-
 namespace at::native {
 
 template<int N>
@@ -61,11 +62,7 @@ __device__ inline void elementwise_kernel_helper(func_t f, policy_t policy) {
   #pragma unroll
   for (int i = 0; i < elems_per_thread; i++) {
     if (policy.check_inbounds(i)) {
-#if defined(__HIP__)
       results[i] = c10::guts::apply(f, args[i]);
-#else
-      results[i] = std::apply(f, args[i]);
-#endif
     }
   }
 

aten/src/ATen/native/cuda/Math.cuh

@@ -231,7 +231,7 @@ const auto lcm_string = jiterator_stringify(
 const auto digamma_string = jiterator_stringify(
   template <typename T>
   T digamma(T x) {
-    static constexpr double PI_f64 = 3.14159265358979323846;
+    static const double PI_f64 = 3.14159265358979323846;
 
     // Short-circuits if x is +/- 0 and returns -/+ ∞ per the C++ standard
     if (x == 0) {
@@ -3072,9 +3072,9 @@ template <typename scalar_t>
 static inline C10_HOST_DEVICE scalar_t calc_digamma(scalar_t in) {
   // [C++ Standard Reference: Gamma Function] https://en.cppreference.com/w/cpp/numeric/math/tgamma
   using accscalar_t = at::acc_type<scalar_t, /*is_cuda=*/true>;
-  static constexpr double PI_f64 = 3.14159265358979323846;
-  constexpr accscalar_t PSI_10 = 2.25175258906672110764;
-  constexpr accscalar_t A[] = {
+  static const double PI_f64 = 3.14159265358979323846;
+  const accscalar_t PSI_10 = 2.25175258906672110764;
+  const accscalar_t A[] = {
       8.33333333333333333333E-2,
       -2.10927960927960927961E-2,
       7.57575757575757575758E-3,

aten/src/ATen/native/cuda/NLLLoss2d.cu

@@ -146,7 +146,6 @@ __global__ void nll_loss2d_backward_no_reduce_kernel(
   int64_t batch_size = target.size(0);
   int64_t H = target.size(1);
   int64_t W = target.size(2);
-  int64_t n_classes = grad_input.size(1);
 
   CUDA_KERNEL_LOOP(index, n_threads) {
     const int64_t b = index % batch_size;
@@ -157,7 +156,6 @@ __global__ void nll_loss2d_backward_no_reduce_kernel(
     if (cur_target == ignore_index) {
       continue;
     }
-    CUDA_KERNEL_ASSERT(cur_target >= 0 && cur_target < n_classes);
     scalar_t value = -(weight != nullptr ? weight[cur_target] : static_cast<scalar_t>(1));
     grad_input[b][cur_target][h][w] = value * grad_output[b][h][w];
   }

aten/src/ATen/native/cuda/Normalization.cuh

@@ -23,7 +23,7 @@ namespace at::native {
 
 // The maximum number of threads in a block
 #if defined(USE_ROCM)
-constexpr int MAX_BLOCK_SIZE = 1024;
+constexpr int MAX_BLOCK_SIZE = 256;
 #else
 constexpr int MAX_BLOCK_SIZE = 512;
 #endif
@@ -33,7 +33,7 @@ constexpr unsigned MAX_GRID_SIZE = 65535u;
 // Number of threads in a block given an input size up to MAX_BLOCK_SIZE
 static int getNumThreads(int nElem) {
 #if defined(USE_ROCM)
-  int threadSizes[5] = { 64, 128, 256, 512, MAX_BLOCK_SIZE };
+  int threadSizes[5] = { 16, 32, 64, 128, MAX_BLOCK_SIZE };
 #else
   int threadSizes[5] = { 32, 64, 128, 256, MAX_BLOCK_SIZE };
 #endif
@@ -115,23 +115,9 @@ __device__ scalar_t reduce(Op op, PTA tensor, int plane) {
   // first the reductions each thread does separately
   scalar_t sum = static_cast<scalar_t>(0);
   for (int batch = threadIdx.y; batch < tensor.size(0); batch += blockDim.y) {
-#if defined(USE_ROCM)
-    constexpr int UNRL = 4; // load deserilize factor
-    scalar_t tmp[UNRL];
-    for (int x = threadIdx.x; x < tensor.size(2); x += blockDim.x*UNRL) {
-#pragma unroll
-      for (int u = 0; u < UNRL; u++)
-        tmp[u] = op(batch, plane, min((int)tensor.size(2)-1, (int)(x+u*blockDim.x)));
-#pragma unroll
-      for (int u = 0; u < UNRL; u++)
-        if (x+u*blockDim.x < tensor.size(2))
-          sum += tmp[u];
-    }
-#else
     for (int x = threadIdx.x; x < tensor.size(2); x += blockDim.x) {
       sum += op(batch, plane, x);
     }
-#endif
   }
   __shared__ scalar_t shared[C10_WARP_SIZE];
   SumReduceOp<scalar_t> reduce_op;

aten/src/ATen/native/cuda/Reduce.cuh

@@ -413,12 +413,14 @@ struct ReduceOp {
       value = thread_reduce<output_vec_size>(input_slice);
     }
 
-    if (config.should_block_x_reduce()) {
-      value = block_x_reduce<output_vec_size>(value, shared_memory);
-    }
     if (config.should_block_y_reduce()) {
       value = block_y_reduce<output_vec_size>(value, shared_memory);
     }
+    __syncthreads();
+    if (config.should_block_x_reduce()) {
+      value = block_x_reduce<output_vec_size>(value, shared_memory);
+    }
+
     using out_ptr_vec_t = std::array<out_scalar_t*, output_vec_size>;
     using offset_vec_t = std::array<index_t, output_vec_size>;
     offset_vec_t base_offsets;
@@ -655,8 +657,8 @@ struct ReduceOp {
     __syncthreads();
     // Intra-warp reduction, fix CUDA to have offset decreasing for better numerics
     // matching Triton, etc.
-    // TODO(PaulZhang12): AMD and internal
-    #if defined(USE_ROCM) || defined(FBCODE_CAFFE2)
+    // todo for AMD
+    #ifdef USE_ROCM
     for (int offset = 1; offset < dim_x; offset <<= 1) {
     #else
     for (int offset = dim_x >> 1; offset > 0; offset >>= 1) {
@@ -1095,7 +1097,11 @@ ReduceConfig setReduceConfig(const TensorIterator& iter){
   // threads with different threadIdx.x are independent and will produce results for different outputs.
   // In such case, values in each loaded vector always correspond to different outputs.
   if (fastest_moving_stride == sizeof(scalar_t)) {
+#ifdef USE_ROCM
     if (reduction_on_fastest_striding_dimension && dim0 >= 128 && iter.num_reduce_dims() == 1) {
+#else
+    if (reduction_on_fastest_striding_dimension && dim0 > 128 && iter.num_reduce_dims() == 1 && vt0 >= input_vec_size) {
+#endif
       // Case 1: "vectorize along input"
       // Note that if vt0 < ReduceConfig::vec_size, then this means the register pressure could be high, in such case,
       // we should avoid vectorization.

aten/src/ATen/native/cuda/ReduceMomentKernel.cu

@@ -39,14 +39,9 @@ static void std_var_kernel_cuda(TensorIterator& iter, double correction, bool ta
 template <typename scalar_t, typename acc_t=scalar_t, typename out_t=scalar_t>
 void mean_kernel_impl(TensorIterator& iter) {
   //  returns acc_t for all non-complex dtypes and returns T for c10::complex<T>
-  constexpr bool is_16_bits = sizeof(scalar_t) == 2;
   using factor_t = typename c10::scalar_value_type<acc_t>::type;
   factor_t factor = static_cast<factor_t>(iter.num_output_elements()) / iter.numel();
-  if constexpr (is_16_bits) {
-    gpu_reduce_kernel<scalar_t, out_t, /*vt0=*/4, /*input_vec_size=*/8>(iter, MeanOps<scalar_t, acc_t, factor_t, out_t> {factor});
-  } else {
-    gpu_reduce_kernel<scalar_t, out_t>(iter, MeanOps<scalar_t, acc_t, factor_t, out_t> {factor});
-  }
+  gpu_reduce_kernel<scalar_t, out_t>(iter, MeanOps<scalar_t, acc_t, factor_t, out_t> {factor});
 }
 
 static void mean_kernel_cuda(TensorIterator& iter) {

aten/src/ATen/native/cuda/ReduceSumProdKernel.cu

@@ -13,19 +13,24 @@ namespace at::native {
 template <typename scalar_t, typename acc_t = scalar_t, typename out_t = scalar_t>
 struct sum_functor {
   void operator()(TensorIterator& iter) {
-    const auto sum_combine = [] GPU_LAMBDA(acc_t a, acc_t b) -> acc_t {
-      return a + b;
-    };
-    constexpr bool is_16_bits = sizeof(scalar_t) == 2;
-    if constexpr (is_16_bits) {
+#ifdef USE_ROCM
+    // Half and BFloat16 can be packed in groups of up to 8 elements and
+    // can use *_DWORDX4 instructions to achieve that.
+    const bool is_16_bits =
+      ( (std::is_same<at::Half, scalar_t>::value) ||
+        (std::is_same<at::BFloat16, scalar_t>::value) );
+    if (is_16_bits) {
       gpu_reduce_kernel<scalar_t, out_t, /*vt0=*/4, /*input_vec_size=*/8>(
-        iter, func_wrapper<out_t>(sum_combine)
-      );
-    } else {
-      gpu_reduce_kernel<scalar_t, out_t>(
-        iter, func_wrapper<out_t>(sum_combine)
-      );
+        iter, func_wrapper<out_t>([] GPU_LAMBDA(acc_t a, acc_t b) -> acc_t {
+          return a + b;
+        }));
+      return;
     }
+#endif
+    gpu_reduce_kernel<scalar_t, out_t>(
+        iter, func_wrapper<out_t>([] GPU_LAMBDA(acc_t a, acc_t b) -> acc_t {
+          return a + b;
+        }));
   }
 };
 

aten/src/ATen/native/cuda/ReflectionPad.cu

@@ -92,16 +92,6 @@ inline thrust::pair<int64_t, int64_t>  get_index_mapping2d(
     output_offset + output_y * output_dim_x + output_x);
 }
 
-__device__ __forceinline__ int64_t reflect_index(int64_t x, int64_t len) {
-  const int64_t two = (len - 1) * 2;
-  if (two <= 0) {
-    return 0;
-  }
-  int64_t m = x % two;
-  if (m < 0) m += two;
-  return (m < len) ? m : (two - m);
-}
-
 template<typename scalar_t>
 __global__ void reflection_pad1d_out_kernel(
     const scalar_t * input, scalar_t * output,
@@ -116,28 +106,6 @@ __global__ void reflection_pad1d_out_kernel(
   }
 }
 
-template <typename scalar_t>
-__global__ void reflection_pad1d_flat(
-    const scalar_t* __restrict__ input,
-    scalar_t* __restrict__ output,
-    int64_t input_w, int64_t pad_l, int64_t pad_r,
-    int64_t out_w, int64_t plane_count) {
-
-  const int64_t bx = blockDim.x;
-  const int64_t tx = threadIdx.x;
-
-  const int64_t total = plane_count * out_w;
-  const int64_t grid_stride = static_cast<int64_t>(bx) * gridDim.x;
-  int64_t linear = static_cast<int64_t>(blockIdx.x) * bx + tx;
-
-  for (; linear < total; linear += grid_stride) {
-    const int64_t plane = linear / out_w;
-    const int64_t x = linear - plane * out_w;
-    const int64_t j = reflect_index(x - pad_l, input_w);
-    output[plane * out_w + x] = input[plane * input_w + j];
-  }
-}
-
 template <typename scalar_t>
 __global__ void reflection_pad1d_backward_out_kernel(
     scalar_t * grad_input, const scalar_t * grad_output,
@@ -742,44 +710,25 @@ TORCH_IMPL_FUNC(reflection_pad1d_out_cuda)
   int64_t input_w = input_.size(dim_w);
   int64_t output_w = input_w + pad_l + pad_r;
 
+  dim3 block_size(output_w > 256 ? 256 : output_w);
+  dim3 grid_size((int)::ceil(output_w / 256.0), nplane, nbatch);
 
   Tensor input = input_.contiguous();
 
-  const int block_x = static_cast<int>(std::min<int64_t>(256, std::max<int64_t>(1, output_w)));
-  const cudaDeviceProp* prop = at::cuda::getCurrentDeviceProperties();
-  const int max_x = prop->maxGridSize[0];
-  const int max_y = prop->maxGridSize[1];
-  const int max_z = prop->maxGridSize[2];
-
-  AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND2(kHalf, kBFloat16, input.scalar_type(), "reflection_pad1d_out", [&] {
-    auto stream = at::cuda::getCurrentCUDAStream();
-
-    const int64_t gx = at::ceil_div(output_w, static_cast<int64_t>(block_x));
-
-    const bool fits3d = (nplane <= max_y) && (nbatch <= max_z) && (gx <= max_x);
-
-    if (fits3d) {
-      dim3 block(block_x, 1, 1);
-      dim3 grid(gx, static_cast<unsigned>(nplane), static_cast<unsigned>(nbatch));
-      reflection_pad1d_out_kernel<scalar_t><<<grid, block, 0, stream>>>(
-          input.const_data_ptr<scalar_t>(),
-          output.mutable_data_ptr<scalar_t>(),
-          input_w, pad_l, pad_r);
-    } else {
-      dim3 block(block_x, 1, 1);
-      const int64_t plane_count = nplane * nbatch;
-      const int64_t total_blocks = at::ceil_div(plane_count * output_w, static_cast<int64_t>(block_x));
-      const int grid_x = static_cast<int>(std::min<int64_t>(max_x, std::max<int64_t>(1, total_blocks)));
-      dim3 grid(grid_x, 1, 1);
-
-      reflection_pad1d_flat<scalar_t><<<grid, block, 0, stream>>>(
-          input.const_data_ptr<scalar_t>(),
-          output.mutable_data_ptr<scalar_t>(),
-          input_w, pad_l, pad_r, output_w, plane_count);
-    }
-
-    C10_CUDA_KERNEL_LAUNCH_CHECK();
-  });
+  AT_DISPATCH_ALL_TYPES_AND_COMPLEX_AND2(
+      kHalf, kBFloat16, input.scalar_type(), "reflection_pad1d_out_template", [&] {
+        reflection_pad1d_out_kernel<<<
+            grid_size,
+            block_size,
+            0,
+            at::cuda::getCurrentCUDAStream()>>>(
+            input.const_data_ptr<scalar_t>(),
+            output.mutable_data_ptr<scalar_t>(),
+            input_w,
+            pad_l,
+            pad_r);
+        C10_CUDA_KERNEL_LAUNCH_CHECK();
+      });
 }
 
 TORCH_IMPL_FUNC(reflection_pad1d_backward_out_cuda)(const Tensor& grad_output_,

aten/src/ATen/native/cuda/TensorTopK.cpp

@@ -19,6 +19,7 @@
 
 namespace at::native {
 
+// TODO: remove this when CUDA <11.6 is no longer supported
 void topk_out_with_sort(
   const Tensor& self,
   int64_t k, int64_t dim, bool largest,
@@ -30,12 +31,21 @@ void topk_out_with_sort(
   indices.copy_(sorted_indices.narrow(dim, 0, k));
 }
 
+// TODO: remove this when CUDA <11.6 is no longer supported
+bool disable_sort_for_topk();
 bool should_use_sort(const Tensor& self, int64_t dim) {
 #if defined(USE_ROCM)
   if (self.dtype() == kBool) return false; // Bool sort not supported in ROCm: https://github.com/pytorch/pytorch/issues/139972
   return (self.numel() >= 10000 && self.numel() == self.size(dim)); // based on the experiments in https://github.com/pytorch/pytorch/pull/146387
 #else
-  return false;
+  if (disable_sort_for_topk()) return false;
+  // This heuristics is based on the experiment in https://github.com/pytorch/pytorch/pull/68632
+  if (self.dim() == 0) return false;
+  if (self.dtype() == kBool) return false; // Bool is not support by topk
+  int64_t slice_size = self.size(dim);
+  if (slice_size == 0) return false;
+  int64_t num_slices = self.numel() / slice_size;
+  return num_slices <= 10 && slice_size >= 100000;
 #endif
 }
 

aten/src/ATen/native/cuda/TensorTopK.cu

@@ -21,6 +21,11 @@ using namespace at::native;
 
 namespace at::native {
 
+// TODO: remove this when CUDA <11.6 is no longer supported
+bool disable_sort_for_topk() {
+  return CUB_SUPPORTS_SCAN_BY_KEY();
+}
+
 namespace sbtopk { // single_block_topk
 
 template <typename T>
@@ -413,6 +418,10 @@ __global__ void computeBlockwiseWithinKCounts(
   }
   __syncthreads();
 
+#if !CUB_SUPPORTS_SCAN_BY_KEY()
+  return;
+#endif
+
   Bitwise desired_digit = at::cuda::Bitfield<Bitwise>::getBitfield(desired, current_bit, RADIX_BITS);
 
   // if largest, then only threads that has tidx > desired_digit are active
@@ -468,6 +477,7 @@ __global__ void computeBlockwiseWithinKCounts(
   }
 }
 
+#if CUB_SUPPORTS_SCAN_BY_KEY()
 // Assumption: slice_size can not be larger than UINT32_MAX
 template <typename Bitwise>
 __global__ void computeBlockwiseKthCounts(
@@ -599,6 +609,7 @@ __global__ void gatherTopK(at::cuda::detail::TensorInfo<const T, IndexType> inpu
     }
   }
 }
+#endif
 
 int get_items_per_thread(uint64_t num_slices, uint64_t slice_size) {
   // occupancy of this kernel is limited by registers per threads
@@ -676,12 +687,16 @@ void launch(
   uint32_t* digit_cum_sum = reinterpret_cast<uint32_t*>(digit_cum_sum_buffer.get());
   AT_CUDA_CHECK(cudaMemsetAsync(digit_cum_sum, 0, numInputSlices * RADIX_DIGITS * sizeof(uint32_t), stream));
 
+#if CUB_SUPPORTS_SCAN_BY_KEY()
   auto withinKCounts_buffer = allocator.allocate(num_blocks * sizeof(uint32_t));
   uint32_t* withinKCounts = reinterpret_cast<uint32_t*>(withinKCounts_buffer.get());
   AT_CUDA_CHECK(cudaMemsetAsync(withinKCounts, 0, num_blocks * sizeof(uint32_t), stream));
 
   auto kthCounts_buffer = allocator.allocate(num_blocks * sizeof(uint32_t));
   uint32_t* kthCounts = reinterpret_cast<uint32_t*>(kthCounts_buffer.get());
+#else
+  uint32_t* withinKCounts = nullptr;
+#endif
 
   Bitwise desiredMask = 0;
   dim3 grid;
@@ -728,6 +743,7 @@ void launch(
   }
   desired = desired_in;
 
+#if CUB_SUPPORTS_SCAN_BY_KEY()
   computeBlockwiseKthCounts<Bitwise><<<std::min(((int64_t)numInputSlices + 255) / 256, (int64_t)1073741824), 256, 0, stream>>>(
     desired, counts, num_blocks, blocks_per_slice, kthCounts);
   C10_CUDA_KERNEL_LAUNCH_CHECK();
@@ -743,6 +759,28 @@ void launch(
     topK, topKWithinSliceStride, indices, indicesWithinSliceStride, items_per_thread,
     blocks_per_slice, kthValues, withinKCounts, kthCounts, num_blocks);
   C10_CUDA_KERNEL_LAUNCH_CHECK();
+#else
+  // Find topk values based on kth values
+  {
+    dim3 grid;
+    TORCH_INTERNAL_ASSERT(getGridFromTiles(numInputSlices, grid), "Too many slices for topk");
+    int warp_size = at::cuda::warp_size();
+    dim3 block(std::min(at::ceil_div((int64_t)inputSliceSize, (int64_t)warp_size) * (int64_t)warp_size, (int64_t)1024));
+    sbtopk::gatherTopK<T, IndexType, Dim, /* WithKthValues= */true><<<grid, block, 0, stream>>>(
+        input,
+        inputSliceSize,
+        outputSliceSize,
+        largest,
+        numInputSlices,
+        inputWithinSliceStride,
+        topK,
+        topKWithinSliceStride,
+        indices,
+        indicesWithinSliceStride,
+        kthValues);
+    C10_CUDA_KERNEL_LAUNCH_CHECK();
+  }
+#endif
 }
 
 } // namespace mbtopk
@@ -750,6 +788,7 @@ void launch(
 bool should_use_multiblock(int64_t num_slices, int64_t slice_size) {
   if (num_slices > std::numeric_limits<uint32_t>::max() ||
       slice_size > std::numeric_limits<uint32_t>::max()) return false;
+#if CUB_SUPPORTS_SCAN_BY_KEY()
   // This heuristics is based on the experiment in https://github.com/pytorch/pytorch/pull/74267
   return (num_slices <= 20 && slice_size >= 20000) ||
       (num_slices > 20 && num_slices <= 40 && slice_size >= 10000) ||
@@ -758,6 +797,12 @@ bool should_use_multiblock(int64_t num_slices, int64_t slice_size) {
       (num_slices >= 200 && num_slices < 800 && slice_size >= 3000) ||
       (num_slices >= 800 && num_slices <= 4000 && slice_size >= 800) ||
       (num_slices > 4000 && slice_size >= 400);
+#else
+  // This heuristics is based on the experiment in https://github.com/pytorch/pytorch/pull/71081
+  return (num_slices <= 400 && slice_size >= 5000) ||
+      (num_slices > 400 && num_slices < 4000 && slice_size >= 1000) ||
+      (num_slices >= 4000 && slice_size >= 300);
+#endif
 }
 
 void launch_gather_topk_kernel(