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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2015
// Mehdi Goli Codeplay Software Ltd.
// Ralph Potter Codeplay Software Ltd.
// Luke Iwanski Codeplay Software Ltd.
// Contact: <eigen@codeplay.com>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#define EIGEN_TEST_NO_LONGDOUBLE
#define EIGEN_TEST_NO_COMPLEX
#define EIGEN_DEFAULT_DENSE_INDEX_TYPE int64_t
#define EIGEN_USE_SYCL
#include "main.h"
#include <unsupported/Eigen/CXX11/Tensor>
template <typename DataType, int DataLayout, typename IndexType>
static void test_simple_reverse(const Eigen::SyclDevice& sycl_device) {
IndexType dim1 = 2;
IndexType dim2 = 3;
IndexType dim3 = 5;
IndexType dim4 = 7;
array<IndexType, 4> tensorRange = {{dim1, dim2, dim3, dim4}};
Tensor<DataType, 4, DataLayout, IndexType> tensor(tensorRange);
Tensor<DataType, 4, DataLayout, IndexType> reversed_tensor(tensorRange);
tensor.setRandom();
array<bool, 4> dim_rev;
dim_rev[0] = false;
dim_rev[1] = true;
dim_rev[2] = true;
dim_rev[3] = false;
DataType* gpu_in_data = static_cast<DataType*>(
sycl_device.allocate(tensor.dimensions().TotalSize() * sizeof(DataType)));
DataType* gpu_out_data = static_cast<DataType*>(sycl_device.allocate(
reversed_tensor.dimensions().TotalSize() * sizeof(DataType)));
TensorMap<Tensor<DataType, 4, DataLayout, IndexType> > in_gpu(gpu_in_data,
tensorRange);
TensorMap<Tensor<DataType, 4, DataLayout, IndexType> > out_gpu(gpu_out_data,
tensorRange);
sycl_device.memcpyHostToDevice(
gpu_in_data, tensor.data(),
(tensor.dimensions().TotalSize()) * sizeof(DataType));
out_gpu.device(sycl_device) = in_gpu.reverse(dim_rev);
sycl_device.memcpyDeviceToHost(
reversed_tensor.data(), gpu_out_data,
reversed_tensor.dimensions().TotalSize() * sizeof(DataType));
// Check that the CPU and GPU reductions return the same result.
for (IndexType i = 0; i < 2; ++i) {
for (IndexType j = 0; j < 3; ++j) {
for (IndexType k = 0; k < 5; ++k) {
for (IndexType l = 0; l < 7; ++l) {
VERIFY_IS_EQUAL(tensor(i, j, k, l),
reversed_tensor(i, 2 - j, 4 - k, l));
}
}
}
}
dim_rev[0] = true;
dim_rev[1] = false;
dim_rev[2] = false;
dim_rev[3] = false;
out_gpu.device(sycl_device) = in_gpu.reverse(dim_rev);
sycl_device.memcpyDeviceToHost(
reversed_tensor.data(), gpu_out_data,
reversed_tensor.dimensions().TotalSize() * sizeof(DataType));
for (IndexType i = 0; i < 2; ++i) {
for (IndexType j = 0; j < 3; ++j) {
for (IndexType k = 0; k < 5; ++k) {
for (IndexType l = 0; l < 7; ++l) {
VERIFY_IS_EQUAL(tensor(i, j, k, l), reversed_tensor(1 - i, j, k, l));
}
}
}
}
dim_rev[0] = true;
dim_rev[1] = false;
dim_rev[2] = false;
dim_rev[3] = true;
out_gpu.device(sycl_device) = in_gpu.reverse(dim_rev);
sycl_device.memcpyDeviceToHost(
reversed_tensor.data(), gpu_out_data,
reversed_tensor.dimensions().TotalSize() * sizeof(DataType));
for (IndexType i = 0; i < 2; ++i) {
for (IndexType j = 0; j < 3; ++j) {
for (IndexType k = 0; k < 5; ++k) {
for (IndexType l = 0; l < 7; ++l) {
VERIFY_IS_EQUAL(tensor(i, j, k, l),
reversed_tensor(1 - i, j, k, 6 - l));
}
}
}
}
sycl_device.deallocate(gpu_in_data);
sycl_device.deallocate(gpu_out_data);
}
template <typename DataType, int DataLayout, typename IndexType>
static void test_expr_reverse(const Eigen::SyclDevice& sycl_device,
bool LValue) {
IndexType dim1 = 2;
IndexType dim2 = 3;
IndexType dim3 = 5;
IndexType dim4 = 7;
array<IndexType, 4> tensorRange = {{dim1, dim2, dim3, dim4}};
Tensor<DataType, 4, DataLayout, IndexType> tensor(tensorRange);
Tensor<DataType, 4, DataLayout, IndexType> expected(tensorRange);
Tensor<DataType, 4, DataLayout, IndexType> result(tensorRange);
tensor.setRandom();
array<bool, 4> dim_rev;
dim_rev[0] = false;
dim_rev[1] = true;
dim_rev[2] = false;
dim_rev[3] = true;
DataType* gpu_in_data = static_cast<DataType*>(
sycl_device.allocate(tensor.dimensions().TotalSize() * sizeof(DataType)));
DataType* gpu_out_data_expected = static_cast<DataType*>(sycl_device.allocate(
expected.dimensions().TotalSize() * sizeof(DataType)));
DataType* gpu_out_data_result = static_cast<DataType*>(
sycl_device.allocate(result.dimensions().TotalSize() * sizeof(DataType)));
TensorMap<Tensor<DataType, 4, DataLayout, IndexType> > in_gpu(gpu_in_data,
tensorRange);
TensorMap<Tensor<DataType, 4, DataLayout, IndexType> > out_gpu_expected(
gpu_out_data_expected, tensorRange);
TensorMap<Tensor<DataType, 4, DataLayout, IndexType> > out_gpu_result(
gpu_out_data_result, tensorRange);
sycl_device.memcpyHostToDevice(
gpu_in_data, tensor.data(),
(tensor.dimensions().TotalSize()) * sizeof(DataType));
if (LValue) {
out_gpu_expected.reverse(dim_rev).device(sycl_device) = in_gpu;
} else {
out_gpu_expected.device(sycl_device) = in_gpu.reverse(dim_rev);
}
sycl_device.memcpyDeviceToHost(
expected.data(), gpu_out_data_expected,
expected.dimensions().TotalSize() * sizeof(DataType));
array<IndexType, 4> src_slice_dim;
src_slice_dim[0] = 2;
src_slice_dim[1] = 3;
src_slice_dim[2] = 1;
src_slice_dim[3] = 7;
array<IndexType, 4> src_slice_start;
src_slice_start[0] = 0;
src_slice_start[1] = 0;
src_slice_start[2] = 0;
src_slice_start[3] = 0;
array<IndexType, 4> dst_slice_dim = src_slice_dim;
array<IndexType, 4> dst_slice_start = src_slice_start;
for (IndexType i = 0; i < 5; ++i) {
if (LValue) {
out_gpu_result.slice(dst_slice_start, dst_slice_dim)
.reverse(dim_rev)
.device(sycl_device) = in_gpu.slice(src_slice_start, src_slice_dim);
} else {
out_gpu_result.slice(dst_slice_start, dst_slice_dim).device(sycl_device) =
in_gpu.slice(src_slice_start, src_slice_dim).reverse(dim_rev);
}
src_slice_start[2] += 1;
dst_slice_start[2] += 1;
}
sycl_device.memcpyDeviceToHost(
result.data(), gpu_out_data_result,
result.dimensions().TotalSize() * sizeof(DataType));
for (IndexType i = 0; i < expected.dimension(0); ++i) {
for (IndexType j = 0; j < expected.dimension(1); ++j) {
for (IndexType k = 0; k < expected.dimension(2); ++k) {
for (IndexType l = 0; l < expected.dimension(3); ++l) {
VERIFY_IS_EQUAL(result(i, j, k, l), expected(i, j, k, l));
}
}
}
}
dst_slice_start[2] = 0;
result.setRandom();
sycl_device.memcpyHostToDevice(
gpu_out_data_result, result.data(),
(result.dimensions().TotalSize()) * sizeof(DataType));
for (IndexType i = 0; i < 5; ++i) {
if (LValue) {
out_gpu_result.slice(dst_slice_start, dst_slice_dim)
.reverse(dim_rev)
.device(sycl_device) = in_gpu.slice(dst_slice_start, dst_slice_dim);
} else {
out_gpu_result.slice(dst_slice_start, dst_slice_dim).device(sycl_device) =
in_gpu.reverse(dim_rev).slice(dst_slice_start, dst_slice_dim);
}
dst_slice_start[2] += 1;
}
sycl_device.memcpyDeviceToHost(
result.data(), gpu_out_data_result,
result.dimensions().TotalSize() * sizeof(DataType));
for (IndexType i = 0; i < expected.dimension(0); ++i) {
for (IndexType j = 0; j < expected.dimension(1); ++j) {
for (IndexType k = 0; k < expected.dimension(2); ++k) {
for (IndexType l = 0; l < expected.dimension(3); ++l) {
VERIFY_IS_EQUAL(result(i, j, k, l), expected(i, j, k, l));
}
}
}
}
}
template <typename DataType>
void sycl_reverse_test_per_device(const cl::sycl::device& d) {
QueueInterface queueInterface(d);
auto sycl_device = Eigen::SyclDevice(&queueInterface);
test_simple_reverse<DataType, RowMajor, int64_t>(sycl_device);
test_simple_reverse<DataType, ColMajor, int64_t>(sycl_device);
test_expr_reverse<DataType, RowMajor, int64_t>(sycl_device, false);
test_expr_reverse<DataType, ColMajor, int64_t>(sycl_device, false);
test_expr_reverse<DataType, RowMajor, int64_t>(sycl_device, true);
test_expr_reverse<DataType, ColMajor, int64_t>(sycl_device, true);
}
EIGEN_DECLARE_TEST(cxx11_tensor_reverse_sycl) {
for (const auto& device : Eigen::get_sycl_supported_devices()) {
std::cout << "Running on "
<< device.get_info<cl::sycl::info::device::name>() << std::endl;
CALL_SUBTEST_1(sycl_reverse_test_per_device<short>(device));
CALL_SUBTEST_2(sycl_reverse_test_per_device<int>(device));
CALL_SUBTEST_3(sycl_reverse_test_per_device<unsigned int>(device));
#ifdef EIGEN_SYCL_DOUBLE_SUPPORT
CALL_SUBTEST_4(sycl_reverse_test_per_device<double>(device));
#endif
CALL_SUBTEST_5(sycl_reverse_test_per_device<float>(device));
}
}
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