mindspore2022/mindspore/ccsrc/kernel/cpu/cpu_kernel.cc

81 lines
3.0 KiB
C++

/**
* Copyright 2019 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "kernel/cpu/cpu_kernel.h"
namespace mindspore {
namespace kernel {
void CPUKernel::InitInputOutputSize(const CNodePtr &kernel_node) {
MS_EXCEPTION_IF_NULL(kernel_node);
size_t input_num = AnfAlgo::GetInputTensorNum(kernel_node);
size_t type_size = sizeof(float);
for (size_t input_index = 0; input_index < input_num; ++input_index) {
std::vector<size_t> shape = AnfAlgo::GetInputDeviceShape(kernel_node, input_index);
size_t tensor_size =
shape.empty() ? type_size : std::accumulate(shape.begin(), shape.end(), type_size, std::multiplies<size_t>());
input_size_list_.emplace_back(tensor_size);
}
size_t output_num = AnfAlgo::GetOutputTensorNum(kernel_node);
for (size_t output_index = 0; output_index < output_num; ++output_index) {
std::vector<size_t> shape = AnfAlgo::GetOutputDeviceShape(kernel_node, output_index);
size_t tensor_size =
shape.empty() ? type_size : std::accumulate(shape.begin(), shape.end(), type_size, std::multiplies<size_t>());
output_size_list_.emplace_back(tensor_size);
}
}
void CPUKernel::Init(const CNodePtr &kernel_node) {
InitKernel(kernel_node);
InitInputOutputSize(kernel_node);
}
void CPUKernelUtils::ExpandDimsTo4(std::vector<size_t> *shape) {
auto len = shape->size();
if (len < 4) {
for (size_t i = 0; i < 4 - len; ++i) {
shape->insert(shape->begin(), 1);
}
}
}
size_t CPUKernelUtils::CalcOffset(const std::vector<size_t> &shape, size_t dim0, size_t dim1, size_t dim2,
size_t dim3) {
size_t offset = dim0 * shape[1] * shape[2] * shape[3] + dim1 * shape[2] * shape[3] + dim2 * shape[3] + dim3;
return offset;
}
size_t CPUKernelUtils::GetElementNumOnAxis(const std::vector<size_t> &shape, int axis) {
if (axis < 0) {
axis = axis + SizeToInt(shape.size());
}
size_t result = 1;
for (int j = 3; j > axis; --j) {
result *= shape[j];
}
return result;
}
void CPUKernelUtils::GetElementNumEveryDim(const std::vector<size_t> &shape, std::vector<size_t> *element_num) {
size_t accumulation = 1;
element_num->emplace_back(1);
for (size_t i = shape.size() - 1; i > 0; --i) {
accumulation *= shape[i];
element_num->emplace_back(accumulation);
}
std::reverse(element_num->begin(), element_num->end());
}
} // namespace kernel
} // namespace mindspore