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Revert "Update Cutlass to v2.11 (#94188)"

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This reverts commit a0f9abdcb651bb948d2d6e9f7d3ce947e2c53659.

Reverted https://github.com/pytorch/pytorch/pull/94188 on behalf of https://github.com/ezyang due to bouncing this to derisk branch cut
This commit is contained in:
PyTorch MergeBot
2023-02-13 19:03:36 +00:00
parent f70ba23415
commit 36dfbb08f3
6 changed files with 7 additions and 4 deletions
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1
BUILD.bazel
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@ -414,6 +414,7 @@ cc_library(
torch_cuda_half_options = [
"-DCUDA_HAS_FP16=1",
"-D__CUDA_NO_HALF_OPERATORS__",
"-D__CUDA_NO_HALF_CONVERSIONS__",
"-D__CUDA_NO_BFLOAT16_CONVERSIONS__",
"-D__CUDA_NO_HALF2_OPERATORS__",
]

4
aten/src/ATen/native/cuda/KernelUtils.cuh
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@ -49,14 +49,14 @@ __device__ __forceinline__ void fastSpecializedAtomicAdd(
if (low_byte && index < (numel - 1)) {
__half2 value2;
value2.x = static_cast<__half>(value);
value2.x = value;
value2.y = __int2half_rz(0);
atomicAdd(reinterpret_cast<__half2*>(target_addr), value2);
} else if (!low_byte && index > 0) {
__half2 value2;
value2.x = __int2half_rz(0);
value2.y = static_cast<__half>(value);
value2.y = value;
atomicAdd(reinterpret_cast<__half2*>(target_addr - 1), value2);
} else {

2
aten/src/ATen/test/cuda_half_test.cu
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@ -21,7 +21,7 @@ __device__ void test(){
__half a = __float2half(3.0f);
__half b = __float2half(2.0f);
__half c = Half(a) - Half(b);
__half c = a - Half(b);
assert(static_cast<Half>(c) == Half(1.0));
// asserting if the functions used on

1
cmake/Dependencies.cmake
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@ -1653,6 +1653,7 @@ if(NOT INTERN_BUILD_MOBILE)
message(STATUS "Found CUDA with FP16 support, compiling with torch.cuda.HalfTensor")
string(APPEND CMAKE_CUDA_FLAGS " -DCUDA_HAS_FP16=1"
" -D__CUDA_NO_HALF_OPERATORS__"
" -D__CUDA_NO_HALF_CONVERSIONS__"
" -D__CUDA_NO_HALF2_OPERATORS__"
" -D__CUDA_NO_BFLOAT16_CONVERSIONS__")

2
third_party/cutlass vendored

Submodule third_party/cutlass updated: 66d9cddc83...b72cbf957d

1
torch/utils/cpp_extension.py
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@ -225,6 +225,7 @@ MSVC_IGNORE_CUDAFE_WARNINGS = [
COMMON_NVCC_FLAGS = [
'-D__CUDA_NO_HALF_OPERATORS__',
'-D__CUDA_NO_HALF_CONVERSIONS__',
'-D__CUDA_NO_BFLOAT16_CONVERSIONS__',
'-D__CUDA_NO_HALF2_OPERATORS__',
'--expt-relaxed-constexpr'