MNN/source/backend/cpu/CPUSize.cpp

39 lines
1.0 KiB
C++

//
// CPUSize.cpp
// MNN
//
// Created by MNN on 2018/08/23.
// Copyright © 2018, Alibaba Group Holding Limited
//
#include "backend/cpu/CPUSize.hpp"
#include "backend/cpu/CPUBackend.hpp"
namespace MNN {
template <typename T>
CPUSize<T>::CPUSize(Backend *backend, const Op *op) : Execution(backend) {
// nothing to do
}
template <typename T>
ErrorCode CPUSize<T>::onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) {
int count = 1;
for (int i = 0; i < inputs[0]->buffer().dimensions; i++) {
count *= inputs[0]->buffer().dim[i].extent;
}
outputs[0]->host<T>()[0] = count;
return NO_ERROR;
}
class CPUSizeCreator : public CPUBackend::Creator {
public:
virtual Execution *onCreate(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs,
const MNN::Op *op, Backend *backend) const {
return new CPUSize<int32_t>(backend, op);
}
};
REGISTER_CPU_OP_CREATOR(CPUSizeCreator, OpType_Size);
} // namespace MNN