* Copyright (c) 2024 Huawei Technologies Co., Ltd.
* This program is free software, you can redistribute it and/or modify it under the terms and conditions of
* CANN Open Software License Agreement Version 2.0 (the "License").
* Please refer to the License for details. You may not use this file except in compliance with the License.
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
* See LICENSE in the root of the software repository for the full text of the License.
*/
#ifndef ATB_KERNEL_CACHE_H
#define ATB_KERNEL_CACHE_H
#include <vector>
#include <memory>
#include <mki/launch_param.h>
#include <mki/kernel.h>
namespace atb {
using TilingBuffer = std::vector<uint8_t>;
using TilingBufferPtr = TilingBuffer const *;
struct CacheItem {
Mki::LaunchParam launchParam;
std::shared_ptr<Mki::Kernel> kernel = nullptr;
TilingBuffer tilingBuffer;
};
struct CacheSlot {
std::vector<CacheItem> cachedItems;
size_t replacePos = 0;
size_t hitPos = 0;
size_t validSize = 0;
void Init(uint32_t cacheItemCount);
void AddTiling(uint8_t *tilingData, uint64_t tilingSize, const Mki::LaunchParam &launchParam,
const Mki::Kernel *kernel);
TilingBufferPtr GetTilingByIndex(const size_t index, const Mki::LaunchParam &launchParam, const Mki::Kernel* &kernel);
TilingBufferPtr GetTiling(const Mki::LaunchParam &launchParam, const Mki::Kernel* &kernel);
};
class KernelCache {
public:
KernelCache() noexcept;
~KernelCache();
void Init(uint64_t kernelCount, uint32_t cacheItemCount = 1);
void AddTiling(size_t kernelIndex, uint8_t *tilingData, uint64_t tilingSize, const Mki::LaunchParam &launchParam,
const Mki::Kernel *kernel);
TilingBufferPtr GetTiling(size_t kernelIndex, const Mki::LaunchParam &launchParam, const Mki::Kernel* &kernel);
private:
bool IsValid(size_t kernelIndex) const;
private:
std::vector<CacheSlot> cachedSlots_;
};
}
#endif
