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

67 lines
2.3 KiB
C++

/**
* Copyright 2020 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/addn_cpu_kernel.h"
#include "device/cpu/cpu_device_address.h"
#include "ir/primitive.h"
namespace mindspore {
namespace kernel {
void AddNCPUKernel::InitKernel(const CNodePtr &kernel_node) {
CheckParam(kernel_node);
input_num_ = AnfAlgo::GetInputTensorNum(kernel_node);
output_shape_ = AnfAlgo::GetOutputInferShape(kernel_node, 0);
CPUKernelUtils::ExpandDimsTo4(&output_shape_);
}
bool AddNCPUKernel::Launch(const std::vector<kernel::AddressPtr> &inputs,
const std::vector<kernel::AddressPtr> & /*workspace*/,
const std::vector<kernel::AddressPtr> &outputs) {
auto output_addr = reinterpret_cast<float *>(outputs[0]->addr);
size_t offset = 0;
for (size_t i = 0; i < output_shape_[0]; ++i) {
for (size_t j = 0; j < output_shape_[1]; ++j) {
for (size_t k = 0; k < output_shape_[2]; ++k) {
for (size_t m = 0; m < output_shape_[3]; ++m) {
float sum = 0;
for (size_t index = 0; index < input_num_; ++index) {
auto input_addr = reinterpret_cast<float *>(inputs[index]->addr);
sum += input_addr[offset];
}
output_addr[offset++] = sum;
}
}
}
}
return true;
}
void AddNCPUKernel::CheckParam(const CNodePtr &kernel_node) {
auto input_shape = AnfAlgo::GetPrevNodeOutputInferShape(kernel_node, 0);
if (input_shape.size() > 4) {
MS_LOG(EXCEPTION) << "Input dims is " << input_shape.size() << ", but AddNCPUKernel olny support 4d or lower.";
}
size_t output_num = AnfAlgo::GetOutputTensorNum(kernel_node);
if (output_num != 1) {
MS_LOG(EXCEPTION) << "Output number is " << output_num << ", but AddNCPUKernel needs 1 output.";
}
}
} // namespace kernel
} // namespace mindspore