Fix PR #5550 reverted in #5911 (performance improvment for operator Transpose) (#5916)

* Improves implementation of transpose operator
* Fix issue mentioned in #5911
* adding unit test for function DoTransposeImpl
This commit is contained in:
Xavier Dupré 2020-12-03 00:38:18 +01:00 committed by GitHub
parent f2dcba7afe
commit bdd06f6310
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3 changed files with 322 additions and 102 deletions

View file

@ -15,23 +15,85 @@ namespace onnxruntime {
etc.
*/
// ComputeOffset: compute offset into a tensor. This is essentially the dot-product of
// index and stride, restricted to the specified number of axes.
static inline size_t ComputeOffset(const std::vector<int64_t>& index, const std::vector<size_t>& stride, int64_t num_axes) {
size_t offset = 0;
for (int64_t j = 0; j < num_axes; ++j) {
offset += index[j] * stride[j];
struct MultiIndex {
size_t n_axes;
std::vector<size_t> index;
std::vector<size_t> upper_bound;
std::vector<int64_t> stride;
/* There is one MultiIndex instance per axis in the tensor.
* The array keeps track of the position of a pointer walking through the data.
* Any function using it creates an array of MultiIndex
* then calls function IncrementIndexAndComputeOffsetSetup
* to initialize the array. This constructor does not initialize
* anything because it would be overwritten by function
* IncrementIndexAndComputeOffsetSetup. This one calls method Init.
* Function IncrementIndexAndComputeOffset is called to increment
* the array of MultiIndex to move to the next data in the tensor.
*/
MultiIndex() : index(), upper_bound(), stride() { n_axes = 0; }
void Init(size_t num_axes) {
index.resize(num_axes);
upper_bound.resize(num_axes);
stride.resize(num_axes);
n_axes = num_axes;
}
return offset;
void InitAxis(size_t n_axis, size_t i, size_t n, int64_t s) {
index[n_axis] = i;
upper_bound[n_axis] = n;
stride[n_axis] = s;
}
};
/* This function initializes an array of MultiIndex of size num_axes (one instance per axis).
* target_dims is the shape of the transposed tensor, stride is linked to the tensor to
* be transposed, if source_dims is the shape, stride[i] = source_dims[i+1] * source_dims[i+2] * ... * 1.
* element_size is the size of the tensor element (sizeof(float), sizeof(double)).
*/
static void IncrementIndexAndComputeOffsetSetup(MultiIndex& mindex, size_t num_axes, const std::vector<int64_t>& target_dims,
const std::vector<size_t>& stride, size_t element_size) {
mindex.Init(num_axes);
size_t naxes = 0;
for (size_t i = 0; i < num_axes; ++i) {
if (target_dims[i] == 1)
continue;
mindex.InitAxis(naxes, 0, static_cast<size_t>(target_dims[i]), stride[i] * element_size);
++naxes;
}
ORT_ENFORCE(naxes > 0, "Method IncrementIndexAndComputeOffset assumes this value is strictly positive.");
mindex.n_axes = naxes;
}
// IncrementIndex: Increment an index into a tensor (in lexicographic ordering), wrapping
// around the specified upper_bound.
static inline void IncrementIndex(std::vector<int64_t>& index, const std::vector<int64_t>& upper_bound, int64_t num_axes) {
for (int64_t k = num_axes - 1; k >= 0; --k) {
index[k]++;
if (index[k] < upper_bound[k]) break;
index[k] = 0;
/* This function increments an array of MultiIndex initialized by function IncrementIndexAndComputeOffsetSetup.
* It increments the last dimension, checks if it stays within boundary. If it stays in, it returns,
* otherwise, it reset the dimension to zero and increments the previous one.
* While doing that, every modification brought to the array of indices is applied on the
* pointer local_source. It avoids computing again local_source from the source tensor.
* At every time, the following condition is verified:
* local_source = source + (sum_i mindex[i].index * mindex[i].stride
*/
template <typename T>
static inline void IncrementIndexAndComputeOffset(MultiIndex& mindex, const T*& local_source) {
// Increment the last dimension.
int pos = static_cast<int>(mindex.n_axes) - 1;
local_source += mindex.stride[pos];
// Checks it stays within boundaries.
if (++mindex.index[pos] < mindex.upper_bound[pos])
return;
// If not, loops on other indices.
// The first test is outside the loop to be faster.
// As it is the most common case.
local_source -= mindex.stride[pos] * mindex.index[pos];
mindex.index[pos] = 0;
--pos;
for (; pos >= 0; --pos) {
local_source += mindex.stride[pos];
if (++mindex.index[pos] < mindex.upper_bound[pos])
break;
local_source -= mindex.stride[pos] * mindex.index[pos];
mindex.index[pos] = 0;
}
}
@ -55,17 +117,14 @@ static void DoTransposeImpl(int64_t num_axes, const std::vector<int64_t>& target
size_t num_blocks, size_t num_elts_in_block, const std::vector<size_t>& stride,
const uint8_t* source, uint8_t* target, size_t element_size) {
size_t blocksize = num_elts_in_block * element_size;
// index used to iterate over target iteration-space
std::vector<int64_t> target_index(num_axes, 0);
MultiIndex mindex;
IncrementIndexAndComputeOffsetSetup(mindex, num_axes, target_dims, stride, element_size);
const uint8_t* local_source = source;
for (size_t i = 0; i < num_blocks; ++i) {
// convert target_index into an offset in source data
size_t source_offset = ComputeOffset(target_index, stride, num_axes);
// copy
memcpy(target, source + source_offset * element_size, blocksize);
// increment target_index:
IncrementIndex(target_index, target_dims, num_axes);
ORT_ENFORCE((local_source >= source) && (local_source < source + num_blocks * blocksize));
memcpy(target, local_source, blocksize);
IncrementIndexAndComputeOffset(mindex, local_source);
target += blocksize;
}
}
@ -73,17 +132,15 @@ static void DoTransposeImpl(int64_t num_axes, const std::vector<int64_t>& target
static void DoTransposeImpl(int64_t num_axes, const std::vector<int64_t>& target_dims,
size_t num_blocks, size_t num_elts_in_block, const std::vector<size_t>& stride,
const std::string* source, std::string* target) {
// index used to iterate over target iteration-space
std::vector<int64_t> target_index(num_axes, 0);
ORT_ENFORCE(num_axes > 0, "Transpose not implemented for empty tensors.");
MultiIndex mindex;
IncrementIndexAndComputeOffsetSetup(mindex, num_axes, target_dims, stride, 1);
const std::string* local_source = source;
for (size_t i = 0; i < num_blocks; ++i) {
// convert target_index into an offset in source data
size_t source_offset = ComputeOffset(target_index, stride, num_axes);
// copy
DoTransposeSingleBlock(num_elts_in_block, source + source_offset, target);
// increment target_index:
IncrementIndex(target_index, target_dims, num_axes);
ORT_ENFORCE((local_source >= source) && (local_source < source + num_blocks * num_elts_in_block));
DoTransposeSingleBlock(num_elts_in_block, local_source, target);
IncrementIndexAndComputeOffset(mindex, local_source);
target += num_elts_in_block;
}
}
@ -93,67 +150,40 @@ inline void CopyPrim(uint8_t* target, const uint8_t* source) {
*reinterpret_cast<T*>(target) = *reinterpret_cast<const T*>(source);
}
// The function does not check num_axes > 0 but this is expected.
template <class T>
static void TypedDoTransposeEltWise(int64_t num_axes, const std::vector<int64_t>& target_dims, size_t num_blocks,
const std::vector<size_t>& stride, const uint8_t* source, uint8_t* target) {
MultiIndex mindex;
IncrementIndexAndComputeOffsetSetup(mindex, num_axes, target_dims, stride, sizeof(T));
const uint8_t* local_source = source;
uint8_t* target_end = target + sizeof(T) * num_blocks;
for (; target != target_end; target += sizeof(T)) {
ORT_ENFORCE((local_source >= source) && (local_source < source + sizeof(T) * num_blocks));
CopyPrim<T>(target, local_source);
IncrementIndexAndComputeOffset(mindex, local_source);
}
}
// DoTransposeEltWise: specialization of DoTranspose for the num_elts_in_block=1 case.
// copies source tensor to target, transposing elements.
// The stride vector indicates the transposition.
static void DoTransposeEltWise(int64_t num_axes, const std::vector<int64_t>& target_dims, size_t num_blocks,
const std::vector<size_t>& stride, const uint8_t* source, uint8_t* target,
size_t element_size) {
// index used to iterate over target iteration-space
std::vector<int64_t> target_index(num_axes, 0);
void DoTransposeEltWise(int64_t num_axes, const std::vector<int64_t>& target_dims, size_t num_blocks,
const std::vector<size_t>& stride, const uint8_t* source, uint8_t* target,
size_t element_size) {
switch (element_size) {
case sizeof(uint64_t):
for (size_t i = 0; i < num_blocks; ++i) {
// convert target_index into an offset in source data
size_t source_offset = ComputeOffset(target_index, stride, num_axes);
// copy
CopyPrim<uint64_t>(target, source + (source_offset * element_size));
// increment target_index:
IncrementIndex(target_index, target_dims, num_axes);
target += element_size;
}
TypedDoTransposeEltWise<uint64_t>(num_axes, target_dims, num_blocks, stride, source, target);
break;
case sizeof(uint32_t):
for (size_t i = 0; i < num_blocks; ++i) {
// convert target_index into an offset in source data
size_t source_offset = ComputeOffset(target_index, stride, num_axes);
// copy
CopyPrim<uint32_t>(target, source + (source_offset * element_size));
// increment target_index:
IncrementIndex(target_index, target_dims, num_axes);
target += element_size;
}
TypedDoTransposeEltWise<uint32_t>(num_axes, target_dims, num_blocks, stride, source, target);
break;
case sizeof(uint16_t):
for (size_t i = 0; i < num_blocks; ++i) {
// convert target_index into an offset in source data
size_t source_offset = ComputeOffset(target_index, stride, num_axes);
// copy
CopyPrim<uint16_t>(target, source + (source_offset * element_size));
// increment target_index:
IncrementIndex(target_index, target_dims, num_axes);
target += element_size;
}
TypedDoTransposeEltWise<uint16_t>(num_axes, target_dims, num_blocks, stride, source, target);
break;
case sizeof(uint8_t):
for (size_t i = 0; i < num_blocks; ++i) {
// convert target_index into an offset in source data
size_t source_offset = ComputeOffset(target_index, stride, num_axes);
// copy
*target = *(source + (source_offset * element_size));
// increment target_index:
IncrementIndex(target_index, target_dims, num_axes);
target += element_size;
}
TypedDoTransposeEltWise<uint8_t>(num_axes, target_dims, num_blocks, stride, source, target);
break;
default:
assert(false);
@ -162,17 +192,16 @@ static void DoTransposeEltWise(int64_t num_axes, const std::vector<int64_t>& tar
static void DoTransposeEltWise(int64_t num_axes, const std::vector<int64_t>& target_dims, size_t num_blocks,
const std::vector<size_t>& stride, const std::string* source, std::string* target) {
ORT_ENFORCE(num_axes > 0, "Transpose not implemented for empty tensors.");
MultiIndex mindex;
IncrementIndexAndComputeOffsetSetup(mindex, num_axes, target_dims, stride, 1);
// index used to iterate over target iteration-space
std::vector<int64_t> target_index(num_axes, 0);
const std::string* local_source = source;
for (size_t i = 0; i < num_blocks; ++i) {
// convert target_index into an offset in source data
size_t source_offset = ComputeOffset(target_index, stride, num_axes);
// copy
*target = *(source + source_offset);
// increment target_index:
IncrementIndex(target_index, target_dims, num_axes);
ORT_ENFORCE((local_source >= source) && (local_source < source + num_blocks));
*target = *local_source;
IncrementIndexAndComputeOffset(mindex, local_source);
target++;
}
}
@ -274,13 +303,15 @@ template <typename T>
static void SimpleTransposeSingleAxisOutwards(const T* input_data, T* output_data,
int64_t num_loops, int64_t num_writers,
int64_t writes_per_loop, int64_t writes_per_writer_per_loop) {
const T* end;
for (int64_t l = 0; l < num_loops; ++l) {
T* output_for_first_writer = output_data;
for (auto wwpl = 0; wwpl < writes_per_writer_per_loop; ++wwpl) {
T* output_for_current_writer = output_for_first_writer;
for (int64_t w = 0; w < num_writers; ++w) {
end = input_data + num_writers;
for (; input_data != end;) {
*output_for_current_writer = *input_data++;
// skip to output position for next writer
@ -379,13 +410,15 @@ template <typename T>
static void SimpleTransposeSingleAxisInwards(const T* input_data, T* output_data,
int64_t num_loops, int64_t num_readers,
int64_t reads_per_loop, int64_t reads_per_reader_per_loop) {
T* end;
for (int64_t l = 0; l < num_loops; ++l) {
const T* input_for_first_reader = input_data;
for (auto rrpl = 0; rrpl < reads_per_reader_per_loop; ++rrpl) {
const T* input_for_current_reader = input_for_first_reader;
for (int64_t r = 0; r < num_readers; ++r) {
end = output_data + num_readers;
for (; output_data != end;) {
*output_data++ = *input_for_current_reader;
// skip to input position for next reader
input_for_current_reader += reads_per_reader_per_loop;
@ -560,6 +593,20 @@ static bool IsMovingSingleAxis(const std::vector<size_t>& permutations, size_t&
return single_axis_moved;
}
bool IsTransposeReshape(const std::vector<size_t>& perm, const std::vector<int64_t>& input_dims) {
// As long as the dims with values > 1 stay in the same order, it's a reshape.
// Example: Shape=(1,1,1024,4096) -> perm=(2,0,3,1).
size_t last_permuted_axis = 0;
for (size_t i = 0; i < perm.size(); ++i) {
if (input_dims[perm[i]] == 1)
continue;
if (perm[i] < last_permuted_axis)
return false;
last_permuted_axis = perm[i];
}
return true;
}
//`input_shape_override` overrides the shape of `input` for compute purposes.
Status TransposeBase::DoTranspose(const std::vector<size_t>& permutations, const Tensor& input, Tensor& output,
const TensorShape* input_shape_override) {
@ -572,6 +619,14 @@ Status TransposeBase::DoTranspose(const std::vector<size_t>& permutations, const
status = ORT_MAKE_STATUS(ONNXRUNTIME, FAIL, "Mismatched data types between input and output Tensors. ",
input_type, " != ", output_type);
} else {
TensorShape shape = input_shape_override ? *input_shape_override : input.Shape();
if (IsTransposeReshape(permutations, shape.GetDims())) {
// As long as the dims with values > 1 stay in the same order, it's a reshape.
// Example: Shape=(1,1,1024,4096) -> perm=(2,0,3,1).
CopyCpuTensor(&input, &output);
return Status::OK();
}
size_t from = 0, to = 0;
bool moving_single_axis = IsMovingSingleAxis(permutations, from, to);
@ -607,6 +662,13 @@ Status Transpose::Compute(OpKernelContext* ctx) const {
if (output_shape.Size() == 0)
return Status::OK();
if (IsTransposeReshape(*p_perm, input_dims)) {
// As long as the dims with values > 1 stay in the same order, it's a reshape.
// Example: Shape=(1,1,1024,4096) -> perm=(2,0,3,1).
CopyCpuTensor(&X, &Y);
return Status::OK();
}
size_t from = 0, to = 0;
bool moving_single_axis = IsMovingSingleAxis(*p_perm, from, to);

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@ -10,6 +10,16 @@
namespace onnxruntime {
/** Tells if the transpose is equivalent to a reshape:
empty dimensions can change place, not empty dimensions must be in
the same order in the permuted tenosr.
*/
bool IsTransposeReshape(const std::vector<size_t>& perm, const std::vector<int64_t>& input_dims);
void DoTransposeEltWise(int64_t num_axes, const std::vector<int64_t>& target_dims, size_t num_blocks,
const std::vector<size_t>& stride, const uint8_t* source, uint8_t* target,
size_t element_size);
class TransposeBase {
public:
/**

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@ -4,10 +4,23 @@
#include "gtest/gtest.h"
#include "test/providers/provider_test_utils.h"
#include "test/providers/compare_provider_test_utils.h"
#include "core/providers/cpu/tensor/transpose.h"
namespace onnxruntime {
namespace test {
TEST(TransposeOpTest, IsTransposeReshapeTest) {
std::vector<int64_t> input_dims{1, 2, 3, 4, 1};
std::vector<size_t> perm{0, 1, 2, 3, 4};
ASSERT_TRUE(IsTransposeReshape(perm, input_dims));
perm = std::vector<size_t>{1, 2, 3, 0, 4};
ASSERT_TRUE(IsTransposeReshape(perm, input_dims));
perm = std::vector<size_t>{4, 1, 0, 2, 3};
ASSERT_TRUE(IsTransposeReshape(perm, input_dims));
perm = std::vector<size_t>{4, 1, 0, 3, 2};
ASSERT_FALSE(IsTransposeReshape(perm, input_dims));
}
// Some of the tests can't run on TensorrtExecutionProvider because of errors.
// Those tests will fallback to other EPs.
@ -124,11 +137,11 @@ TEST(TransposeOpTest, TwoDim_int16) {
2, 5,
3, 6};
#if defined(OPENVINO_CONFIG_MYRIAD) || defined(OPENVINO_CONFIG_VAD_M)
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals, true, false);
#else
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals);
#endif
#if defined(OPENVINO_CONFIG_MYRIAD) || defined(OPENVINO_CONFIG_VAD_M)
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals, true, false);
#else
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals);
#endif
}
TEST(TransposeOpTest, TwoDim_mlfloat16) {
@ -246,6 +259,39 @@ TEST(TransposeOpTest, ThreeDimSuffix) {
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals, false); //TensorRT: illegal error
}
TEST(TransposeOpTest, TransposeReshape) {
std::vector<int64_t> input_shape({1, 4, 2, 1, 3});
std::vector<float> input_vals = {
1.0f, 2.0f, 3.0f,
4.0f, 5.0f, 6.0f,
1.1f, 2.1f, 3.1f,
4.1f, 5.1f, 6.1f,
1.2f, 2.2f, 3.2f,
4.2f, 5.2f, 6.2f,
1.3f, 2.3f, 3.3f,
4.3f, 5.3f, 6.3f};
std::vector<int64_t> perm = {1, 3, 2, 4, 0};
std::vector<int64_t> expected_shape({4, 1, 2, 3, 1});
auto expected_vals = {
1.0f, 2.0f, 3.0f,
4.0f, 5.0f, 6.0f,
1.1f, 2.1f, 3.1f,
4.1f, 5.1f, 6.1f,
1.2f, 2.2f, 3.2f,
4.2f, 5.2f, 6.2f,
1.3f, 2.3f, 3.3f,
4.3f, 5.3f, 6.3f};
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals, false); //TensorRT: illegal error
}
TEST(TransposeOpTest, ThreeDimStr) {
std::vector<int64_t> input_shape({4, 2, 3});
std::vector<std::string> input_vals = {
@ -419,10 +465,112 @@ TEST(TransposeOpTest, SingleAxisMovingInwardsBlockCopy) {
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals, false);
}
TEST(TransposeOpTest, NDim) {
std::vector<int64_t> input_shape({2, 2, 2, 2});
std::vector<float> input_vals = {1.0f, 2.0f, 3.0f, 4.0f,
5.0f, 6.0f, 7.0f, 8.0f,
9.0f, 10.0f, 11.0f, 12.0f,
13.0f, 14.0f, 15.0f, 16.0f};
std::vector<int64_t> perm = {1, 0, 2, 3};
auto expected_vals = {1.0f, 2.0f, 3.0f, 4.0f,
9.0f, 10.0f, 11.0f, 12.0f,
5.0f, 6.0f, 7.0f, 8.0f,
13.0f, 14.0f, 15.0f, 16.0f};
TransposeTest(input_shape, input_vals, &perm, input_shape, expected_vals);
perm = {1, 0, 3, 2};
auto expected_vals2 = {1.0f, 3.0f, 2.0f, 4.0f,
9.0f, 11.0f, 10.0f, 12.0f,
5.0f, 7.0f, 6.0f, 8.0f,
13.0f, 15.0f, 14.0f, 16.0f};
TransposeTest(input_shape, input_vals, &perm, input_shape, expected_vals2);
}
TEST(TransposeOpTest, DoTransposeImpl) {
std::vector<int64_t> input_shape({5, 2, 1, 3});
std::vector<float> input_vals(30);
for (auto it = input_vals.begin(); it != input_vals.end(); ++it) {
*it = static_cast<float>(std::distance(input_vals.begin(), it));
}
std::vector<int64_t> perm = {2, 1, 0, 3};
std::vector<int64_t> expected_shape({1, 2, 5, 3});
auto expected_vals = {0.0f, 1.0f, 2.0f, 6.0f, 7.0f, 8.0f,
12.0f, 13.0f, 14.0f, 18.0f, 19.0f, 20.0f,
24.0f, 25.0f, 26.0f, 3.0f, 4.0f, 5.0f,
9.0f, 10.0f, 11.0f, 15.0f, 16.0f, 17.0f,
21.0f, 22.0f, 23.0f, 27.0f, 28.0f, 29.0f};
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals);
}
TEST(TransposeOpTest, DoTransposeImplString) {
std::vector<int64_t> input_shape({5, 2, 1, 3});
std::vector<std::string> input_vals(30);
for (auto it = input_vals.begin(); it != input_vals.end(); ++it) {
*it = std::string("n") + std::to_string(static_cast<int>(std::distance(input_vals.begin(), it)));
}
std::vector<int64_t> perm = {2, 1, 0, 3};
std::vector<int64_t> expected_shape({1, 2, 5, 3});
std::initializer_list<std::string> expected_vals = {"n0", "n1", "n2", "n6", "n7", "n8",
"n12", "n13", "n14", "n18", "n19", "n20",
"n24", "n25", "n26", "n3", "n4", "n5",
"n9", "n10", "n11", "n15", "n16", "n17",
"n21", "n22", "n23", "n27", "n28", "n29"};
TransposeTest(input_shape, input_vals, &perm, expected_shape, expected_vals);
}
TEST(TransposeOpTest, DoTransposeEltWise) {
// Configuration where DoTransposeEltWise is called.
std::vector<int64_t> input_shape({2, 2, 2, 2});
std::vector<float> input_vals = {1.0f, 2.0f, 3.0f, 4.0f,
5.0f, 6.0f, 7.0f, 8.0f,
9.0f, 10.0f, 11.0f, 12.0f,
13.0f, 14.0f, 15.0f, 16.0f};
std::vector<int64_t> perm = {1, 0, 3, 2};
auto expected_vals2 = {1.0f, 3.0f, 2.0f, 4.0f,
9.0f, 11.0f, 10.0f, 12.0f,
5.0f, 7.0f, 6.0f, 8.0f,
13.0f, 15.0f, 14.0f, 16.0f};
TransposeTest(input_shape, input_vals, &perm, input_shape, expected_vals2);
// Specific test which tests that function DoTransposeEltWise does not
// copy values outside the target buffer.
TensorShape tensor_shape(input_shape);
std::vector<size_t> stride(input_shape.size());
for (size_t i = 0; i < input_shape.size(); i++) {
size_t inpdim = perm[i];
if (inpdim + 1 < input_shape.size())
stride[i] = tensor_shape.SizeFromDimension(inpdim + 1);
else
stride[i] = 1;
}
std::vector<float> input_vals_end = {1.0f, 2.0f, 3.0f, 4.0f,
5.0f, 6.0f, 7.0f, 8.0f,
9.0f, 10.0f, 11.0f, 12.0f,
13.0f, 14.0f, 15.0f, 16.0f,
-1.0f, -1.0f};
std::vector<float> target(input_vals_end.size(), 17.0f);
std::vector<float> expected_vals3 = {1.0f, 3.0f, 2.0f, 4.0f,
9.0f, 11.0f, 10.0f, 12.0f,
5.0f, 7.0f, 6.0f, 8.0f,
13.0f, 15.0f, 14.0f, 16.0f,
17.0f, 17.0f};
DoTransposeEltWise(input_shape.size(), input_shape, 16,
stride, (uint8_t*)input_vals_end.data(), (uint8_t*)target.data(),
sizeof(float));
for (size_t i = 0; i < input_vals_end.size(); ++i) {
ASSERT_TRUE(target[i] == expected_vals3[i]);
}
}
#if USE_CUDA
constexpr const char* kGpuExecutionProvider = kCudaExecutionProvider;
constexpr const char* kGpuExecutionProvider = kCudaExecutionProvider;
#elif USE_ROCM
constexpr const char* kGpuExecutionProvider = kRocmExecutionProvider;
constexpr const char* kGpuExecutionProvider = kRocmExecutionProvider;
#endif
#if defined(USE_CUDA) || defined(USE_ROCM)