// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2016
// Mehdi Goli Codeplay Software Ltd.
// Ralph Potter Codeplay Software Ltd.
// Luke Iwanski Codeplay Software Ltd.
// Contact: <eigen@codeplay.com>
// Benoit Steiner <benoit.steiner.goog@gmail.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>
using Eigen::array;
using Eigen::SyclDevice;
using Eigen::Tensor;
using Eigen::TensorMap;
template <
typename DataType,
int DataLayout,
typename IndexType>
static void test_simple_padding(
const Eigen::SyclDevice& sycl_device)
{
IndexType sizeDim1 =
2 ;
IndexType sizeDim2 =
3 ;
IndexType sizeDim3 =
5 ;
IndexType sizeDim4 =
7 ;
array<IndexType,
4 > tensorRange = {{sizeDim1, sizeDim2, sizeDim3, sizeDim4}};
Tensor<DataType,
4 , DataLayout, IndexType> tensor(tensorRange);
tensor.setRandom();
array<std::pair<IndexType, IndexType>,
4 > paddings;
paddings[
0 ] = std::make_pair(
0 ,
0 );
paddings[
1 ] = std::make_pair(
2 ,
1 );
paddings[
2 ] = std::make_pair(
3 ,
4 );
paddings[
3 ] = std::make_pair(
0 ,
0 );
IndexType padedSizeDim1 =
2 ;
IndexType padedSizeDim2 =
6 ;
IndexType padedSizeDim3 =
12 ;
IndexType padedSizeDim4 =
7 ;
array<IndexType,
4 > padedtensorRange = {{padedSizeDim1, padedSizeDim2, padedSizeDim3, pad
edSizeDim4}};
Tensor<DataType, 4 , DataLayout, IndexType> padded(padedtensorRange);
DataType* gpu_data1 = static_cast <DataType*>(sycl_device.allocate(tensor.size()*sizeof (DataType)));
DataType* gpu_data2 = static_cast <DataType*>(sycl_device.allocate(padded.size()*sizeof (DataType)));
TensorMap<Tensor<DataType, 4 ,DataLayout,IndexType>> gpu1(gpu_data1, tensorRange);
TensorMap<Tensor<DataType, 4 ,DataLayout,IndexType>> gpu2(gpu_data2, padedtensorRange);
VERIFY_IS_EQUAL(padded.dimension(0 ), 2 +0 );
VERIFY_IS_EQUAL(padded.dimension(1 ), 3 +3 );
VERIFY_IS_EQUAL(padded.dimension(2 ), 5 +7 );
VERIFY_IS_EQUAL(padded.dimension(3 ), 7 +0 );
sycl_device.memcpyHostToDevice(gpu_data1, tensor.data(),(tensor.size())*sizeof (DataType));
gpu2.device(sycl_device)=gpu1.pad(paddings);
sycl_device.memcpyDeviceToHost(padded.data(), gpu_data2,(padded.size())*sizeof (DataType));
for (IndexType i = 0 ; i < padedSizeDim1; ++i) {
for (IndexType j = 0 ; j < padedSizeDim2; ++j) {
for (IndexType k = 0 ; k < padedSizeDim3; ++k) {
for (IndexType l = 0 ; l < padedSizeDim4; ++l) {
if (j >= 2 && j < 5 && k >= 3 && k < 8 ) {
VERIFY_IS_EQUAL(padded(i,j,k,l), tensor(i,j-2 ,k-3 ,l));
} else {
VERIFY_IS_EQUAL(padded(i,j,k,l), 0 .0 f);
}
}
}
}
}
sycl_device.deallocate(gpu_data1);
sycl_device.deallocate(gpu_data2);
}
template <typename DataType, int DataLayout, typename IndexType>
static void test_padded_expr(const Eigen::SyclDevice& sycl_device)
{
IndexType sizeDim1 = 2 ;
IndexType sizeDim2 = 3 ;
IndexType sizeDim3 = 5 ;
IndexType sizeDim4 = 7 ;
array<IndexType, 4 > tensorRange = {{sizeDim1, sizeDim2, sizeDim3, sizeDim4}};
Tensor<DataType, 4 , DataLayout, IndexType> tensor(tensorRange);
tensor.setRandom();
array<std::pair<IndexType, IndexType>, 4 > paddings;
paddings[0 ] = std::make_pair(0 , 0 );
paddings[1 ] = std::make_pair(2 , 1 );
paddings[2 ] = std::make_pair(3 , 4 );
paddings[3 ] = std::make_pair(0 , 0 );
Eigen::DSizes<IndexType, 2 > reshape_dims;
reshape_dims[0 ] = 12 ;
reshape_dims[1 ] = 84 ;
Tensor<DataType, 2 , DataLayout, IndexType> result(reshape_dims);
DataType* gpu_data1 = static_cast <DataType*>(sycl_device.allocate(tensor.size()*sizeof (DataType)));
DataType* gpu_data2 = static_cast <DataType*>(sycl_device.allocate(result.size()*sizeof (DataType)));
TensorMap<Tensor<DataType, 4 ,DataLayout,IndexType>> gpu1(gpu_data1, tensorRange);
TensorMap<Tensor<DataType, 2 ,DataLayout,IndexType>> gpu2(gpu_data2, reshape_dims);
sycl_device.memcpyHostToDevice(gpu_data1, tensor.data(),(tensor.size())*sizeof (DataType));
gpu2.device(sycl_device)=gpu1.pad(paddings).reshape(reshape_dims);
sycl_device.memcpyDeviceToHost(result.data(), gpu_data2,(result.size())*sizeof (DataType));
for (IndexType i = 0 ; i < 2 ; ++i) {
for (IndexType j = 0 ; j < 6 ; ++j) {
for (IndexType k = 0 ; k < 12 ; ++k) {
for (IndexType l = 0 ; l < 7 ; ++l) {
const float result_value = DataLayout == ColMajor ?
result(i+2 *j,k+12 *l) : result(j+6 *i,l+7 *k);
if (j >= 2 && j < 5 && k >= 3 && k < 8 ) {
VERIFY_IS_EQUAL(result_value, tensor(i,j-2 ,k-3 ,l));
} else {
VERIFY_IS_EQUAL(result_value, 0 .0 f);
}
}
}
}
}
sycl_device.deallocate(gpu_data1);
sycl_device.deallocate(gpu_data2);
}
template <typename DataType, typename dev_Selector> void sycl_padding_test_per_device(dev_Selector s){
QueueInterface queueInterface(s);
auto sycl_device = Eigen::SyclDevice(&queueInterface);
test_simple_padding<DataType, RowMajor, int64_t>(sycl_device);
test_simple_padding<DataType, ColMajor, int64_t>(sycl_device);
test_padded_expr<DataType, RowMajor, int64_t>(sycl_device);
test_padded_expr<DataType, ColMajor, int64_t>(sycl_device);
}
EIGEN_DECLARE_TEST(cxx11_tensor_padding_sycl)
{
for (const auto & device :Eigen::get_sycl_supported_devices()) {
CALL_SUBTEST(sycl_padding_test_per_device<float >(device));
}
}
Messung V0.5 in Prozent C=95 H=92 G=93
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-06)
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