alibaba--mnn
wehub-resource-sync
70 行
2.5 KiB
C++
70 行
2.5 KiB
C++
//
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// StrassenMatmulComputor.hpp
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// MNN
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//
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// Created by MNN on 2024/08/01.
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// Copyright © 2018, Alibaba Group Holding Limited
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//
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#ifndef MNN_OPENCL_BUFFER_CLOSED
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#ifndef StrassenMatmulOpenCLComputor_hpp
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#define StrassenMatmulOpenCLComputor_hpp
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#include "core/BufferAllocator.hpp"
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#include "core/Backend.hpp"
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#include "backend/opencl/execution/image/CommonExecution.hpp"
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namespace MNN {
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namespace OpenCL {
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/**
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Based on
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Boyer, B., Dumas, J.-G., Pernet, C., & Zhou, W. (2007). Memory efficient scheduling of Strassen-Winogradʼs matrix multiplication algorithm. Proceedings of the 2009 international symposium on Symbolic and algebraic computation ISSAC 09, 55. ACM Press. Retrieved from http://arxiv.org/abs/0707.2347
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Use Table 2
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*/
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class StrassenMatrixComputor {
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public:
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StrassenMatrixComputor(Backend* bn, int maxDepth);
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virtual ~StrassenMatrixComputor();
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ErrorCode onEncode(int e, int l, int h, int as, int bs, int cs, const cl::Buffer AT, const cl::Buffer BT, cl::Buffer CT, bool useBias, const cl::Buffer Bias);
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int getExecuteTime();
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void onExecute();
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void onReset();
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private:
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struct MatrixInfo {
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int stackIndex;
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int offsetBytes;
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int lineStrideBytes;
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};
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/* postType:
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0 --> without post process
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1 --> with bias (one dimension)
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2 --> with feature map D to eltwise add ( Y = X + D)
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3 --> with feature map D to eltwise sub ( Y = X - D)
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4 --> with feature map D to eltwise sub and get negative( Y = D - X)
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*/
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ErrorCode _generateMatMul(int e, int l, int h, const MatrixInfo& AT, const MatrixInfo& BT, const MatrixInfo& CT, const MatrixInfo& COT, int currentDepth, int postType = 0);
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ErrorCode _generateBasicMatMul(int e, int l, int h, const MatrixInfo& AT, const MatrixInfo& BT, const MatrixInfo& CT, const MatrixInfo& COT, int postType, Unit& unit);
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ErrorCode _generateBinary(cl::Buffer ptrC, cl::Buffer ptrA, cl::Buffer ptrB, int offsetC, int offsetA, int offsetB, int elementStrideC, int elementStrideA, int elementStrideB, int width, int height, bool isAdd, Unit& unit);
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ErrorCode _generateCFunction(cl::Buffer ptrC, int offsetC, int elementStrideC, cl::Buffer ptrA, int width, int height, Unit& unit);
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private:
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std::vector<Unit> mUnits;
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int mMaxDepth;
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OpenCLBackend* mOpenCLBackend;
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int mM, mN, mK;
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std::vector<cl::Buffer> mStack;
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int mBytes = 4;
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bool mValid = true;
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};
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} // namespace MNN
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}
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#endif /* StrassenMatmulOpenCLComputor_hpp */
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#endif
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