* Copyright (c) 2025 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.
*/
* \file fma_tiling.h
* \brief
*/
#ifndef LIB_MATH_FMA_TILING_H
#define LIB_MATH_FMA_TILING_H
#include "graph/tensor.h"
#include "tiling/platform/platform_ascendc.h"
namespace AscendC {
* \brief This interface is used to obtain the maximum and minimum temporary space reserved or applied.
* The developer selects a proper space size based on this range as the tiling parameter.
*
* \param [in] ascendcPlatform, platform information
* \param [in] srcShape, input shape information
* \param [in] typeSize, size of the input data type, in bytes
* \param [in] isReuseSource, whether to reuse the input space of the source operand
* \param [out] maxValue, maximum temporary space required
* \param [out] minValue, minimum temporary space required
*/
void GetFmaMaxMinTmpSize(const platform_ascendc::PlatformAscendC& ascendcPlatform, const ge::Shape& srcShape,
const uint32_t typeSize, const bool isReuseSource, uint32_t& maxValue, uint32_t& minValue);
* \brief The calculation of the Fma interface requires the developer to reserve or apply for temporary space.
* It's used to derive the size of elements per calculation iteration based on remain free space size.
* iterationSize = (remainFreeSapce - extraBuf) / maxLivedNodeCnt / typeSize
*
* \param [in] ascendcPlatform, platform information
* \param [in] typeSize, size of the input data type, in bytes
* \param [out] maxLivedNodeCount, the multiple of the maximum temporary space to the input occupied space
* \param [out] extraBuf, the size of the extra temporary space
*/
void GetFmaTmpBufferFactorSize(const platform_ascendc::PlatformAscendC& ascendcPlatform, const uint32_t typeSize,
uint32_t& maxLivedNodeCount, uint32_t& extraBuf);
}
#endif
