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2026-07-13 13:33:03 +08:00

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//
// FmhaV2Execution.hpp
// MNN
//
// Created by MNN on 2024/02/02.
// Copyright © 2018, Alibaba Group Holding Limited
//
#ifndef FmhaCommonExecution_hpp
#define FmhaCommonExecution_hpp
#include "backend/cuda/core/CUDABackend.hpp"
#include "fused_multi_head_attention/kernel_forward.h"
namespace MNN {
namespace CUDA {
class FmhaCommonExecution : public Execution {
public:
FmhaCommonExecution(const MNN::Op* op, Backend *backend);
virtual ~FmhaCommonExecution() = default;
virtual ErrorCode onResize(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) override;
virtual ErrorCode onExecute(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs) override;
template <int kQueriesPerBlock, int kKeysPerBlock, int kMaxK>
int run_attention(const std::vector<Tensor *> &inputs, const std::vector<Tensor *> &outputs);
private:
int32_t mNumHeads;
int32_t mSeqLen;
int32_t mSeqLenKV;
int32_t mBatchSize;
int32_t mHeadSize;
int32_t mHeadSizeV;
void* mQ_Buffer;
void* mK_Buffer;
void* mV_Buffer;
void* mAcc_Buffer;
int32_t mSM{};
int mType = 0;
};
} // namespace CUDA
} // namespace MNN
#endif /* FmhaCommonExecution_hpp */