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https://github.com/pytorch/pytorch.git
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ab78449e8c
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/19270 ghimport-source-id: a5ade6131f3260066c5750ea1fa9ed5c998bb791 Differential Revision: D14938707 Pulled By: li-roy fbshipit-source-id: 018fb3f01706531a06515d6d861e5683a455a705
83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
#include <gtest/gtest.h>
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#include <ATen/Context.h>
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#include <ATen/DeviceGuard.h>
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#include <ATen/Functions.h>
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#include <c10/core/ScalarType.h>
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#include <c10/core/TensorOptions.h>
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#include <torch/cuda.h>
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// NB: This file is compiled even in CPU build (for some reason), so
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// make sure you don't include any CUDA only headers.
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using namespace at;
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// TODO: This might be generally helpful aliases elsewhere.
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at::Device CPUDevice() {
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return at::Device(at::kCPU);
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}
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at::Device CUDADevice(DeviceIndex index) {
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return at::Device(at::kCUDA, index);
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}
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// A macro so we don't lose location information when an assertion fails.
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#define REQUIRE_OPTIONS(device_, index_, type_, layout_) \
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ASSERT_EQ(options.device().type(), Device((device_), (index_)).type()); \
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ASSERT_TRUE( \
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options.device().index() == Device((device_), (index_)).index()); \
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ASSERT_EQ(typeMetaToScalarType(options.dtype()), (type_)); \
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ASSERT_TRUE(options.layout() == (layout_))
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#define REQUIRE_TENSOR_OPTIONS(device_, index_, type_, layout_) \
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ASSERT_EQ(tensor.device().type(), Device((device_), (index_)).type()); \
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ASSERT_EQ(tensor.device().index(), Device((device_), (index_)).index()); \
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ASSERT_EQ(tensor.scalar_type(), (type_)); \
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ASSERT_TRUE(tensor.type().layout() == (layout_))
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TEST(TensorOptionsTest, ConstructsWellFromCUDATypes_CUDA) {
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auto options = CUDA(kFloat).options();
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REQUIRE_OPTIONS(kCUDA, -1, kFloat, kStrided);
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options = CUDA(kInt).options();
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REQUIRE_OPTIONS(kCUDA, -1, kInt, kStrided);
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options = getNonVariableDeprecatedTypeProperties(Backend::SparseCUDA, kFloat).options();
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REQUIRE_OPTIONS(kCUDA, -1, kFloat, kSparse);
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options = getNonVariableDeprecatedTypeProperties(Backend::SparseCUDA, kByte).options();
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REQUIRE_OPTIONS(kCUDA, -1, kByte, kSparse);
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options = CUDA(kFloat).options(/*device=*/5);
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REQUIRE_OPTIONS(kCUDA, 5, kFloat, kStrided);
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options =
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getNonVariableDeprecatedTypeProperties(Backend::SparseCUDA, kFloat).options(/*device=*/5);
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REQUIRE_OPTIONS(kCUDA, 5, kFloat, kSparse);
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}
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TEST(TensorOptionsTest, ConstructsWellFromCUDATensors_MultiCUDA) {
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auto options = empty(5, device(kCUDA).dtype(kDouble)).options();
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REQUIRE_OPTIONS(kCUDA, 0, kDouble, kStrided);
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options = empty(5, getNonVariableDeprecatedTypeProperties(Backend::SparseCUDA, kByte)).options();
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REQUIRE_OPTIONS(kCUDA, 0, kByte, kSparse);
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if (torch::cuda::device_count() > 1) {
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Tensor tensor;
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{
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DeviceGuard guard(CUDADevice(1));
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tensor = empty(5, device(kCUDA));
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}
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options = tensor.options();
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REQUIRE_OPTIONS(kCUDA, 1, kFloat, kStrided);
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{
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DeviceGuard guard(CUDADevice(1));
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tensor = empty(5, device(kCUDA).layout(kSparse));
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}
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options = tensor.options();
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REQUIRE_OPTIONS(kCUDA, 1, kFloat, kSparse);
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}
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}
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