mirror of https://github.com/alibaba/MNN.git
104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
//
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// CPUBackend.hpp
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// MNN
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//
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// Created by MNN on 2018/07/06.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#ifndef CPUBackend_hpp
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#define CPUBackend_hpp
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#include <stdio.h>
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#include <map>
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#include <memory>
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#include "core/Backend.hpp"
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#include "core/Execution.hpp"
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#include "MNN_generated.h"
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namespace MNN {
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class BufferAllocator;
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class CPUBackend final : public Backend {
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public:
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CPUBackend(int numberThread = 4, BackendConfig::MemoryMode memory = BackendConfig::Memory_Normal,
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BackendConfig::PowerMode = BackendConfig::Power_Normal, size_t flags = 0);
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virtual ~CPUBackend();
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// Return sizeDivide, scheduleNumber aligned memory
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std::pair<int, int> multiThreadDivide(int size) const;
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public:
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virtual bool onAcquireBuffer(const Tensor* nativeTensor, StorageType storageType) override;
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virtual bool onReleaseBuffer(const Tensor* nativeTensor, StorageType storageType) override;
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virtual bool onAllocateBuffer() override;
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virtual bool onClearBuffer() override;
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virtual void onCopyBuffer(const Tensor* srcTensor, const Tensor* dstTensor) const override;
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virtual std::pair<float, bool> onMeasure(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
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const MNN::Op* op) override;
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virtual Execution* onCreate(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
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const MNN::Op* op) override;
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virtual void onExecuteBegin() const override;
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virtual void onExecuteEnd() const override;
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public:
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class Creator {
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public:
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virtual Execution* onCreate(const std::vector<Tensor*>& inputs, const std::vector<Tensor*>& outputs,
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const MNN::Op* op, Backend* backend) const = 0;
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};
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static bool addCreator(OpType t, Creator* c);
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int threadNumber() const {
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return mThreadNumber;
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}
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BufferAllocator* getBufferAllocator() const {
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return mDynamicAllocator.get();
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}
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BackendConfig::MemoryMode memoryMode() const {
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return mMemory;
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}
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BackendConfig::PowerMode powerMode() const {
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return mPower;
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}
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#ifdef MNN_USE_THREAD_POOL
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inline int taskIndex() const {return mTaskIndex;}
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#endif
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private:
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std::unique_ptr<BufferAllocator> mStaticAllocator;
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std::unique_ptr<BufferAllocator> mDynamicAllocator;
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int mThreadNumber;
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#ifdef MNN_USE_THREAD_POOL
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int mTaskIndex;
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#endif
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const BackendConfig::MemoryMode mMemory;
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const BackendConfig::PowerMode mPower;
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bool mCheckNAN = false;
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float mFlops = 0.0f;
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};
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#ifdef MNN_CODEGEN_REGISTER
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#define REGISTER_CPU_OP_CREATOR(name, opType) \
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void ___##name##__##opType##__() { \
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CPUBackend::addCreator(opType, new name); \
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}
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#else
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template <class T>
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class CPUCreatorRegister {
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public:
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CPUCreatorRegister(OpType type) {
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CPUBackend::addCreator(type, new T);
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}
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};
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#define REGISTER_CPU_OP_CREATOR(name, opType) static CPUCreatorRegister<name> _Create##opType(opType)
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#endif
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} // namespace MNN
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#endif /* CPUBackend_hpp */
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