/**  * This program is free software, you can redistribute it and/or modify.  * Copyright (c) 2025 Huawei Technologies Co., Ltd. * This file is a part of the CANN Open Software. * Licensed under 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 tiling_key.h * \brief */ #pragma once #include namespace Ops { namespace Transformer { namespace OpTiling { constexpr uint64_t RecursiveSum() { return 0; } constexpr uint64_t kBase = 10; // 10进制进位基数 template constexpr uint64_t RecursiveSum(T templateId, Args... templateIds) { return static_cast(templateId) + kBase * RecursiveSum(templateIds...); } // TilingKey 的生成规则: // FlashAttentionScore/FlashAttentionScoreGrad 十进制位组装tiling key,包含以下关键参数,从低位到高位依次是:Ub0, Ub1, // Block, DataType, Format, Sparse, 特化模板 Ub0、Ub1: // 表示Ub核内切分的轴,使用枚举AxisEnum表示,因为我们允许最多切分两根轴,所以存在UB0和UB1,如果没有UB核内切分, // 那么填AXIS_NONE。UB0和UB1各占一个十进制位; // Block: 表示UB用来分核的轴,使用枚举AxisEnum表示,占一个十进制位; // DataType: 表示当前tiling key支持的输入输出的数据类型,使用枚举SupportedDtype来表示,占一个十进制位 // Format: 表示当前tiling key支持的Format, 使用枚举InputLayout表示,占一个十进制位 // Sparse: 表示当前tiling key是否支持Sparse,使用枚举SparseCapability表示,占一个十进制位 // 其余特化场景,定义自己的位域和值 // usage: get tilingKey from inputed types // uint64_t tilingKey = GET_FLASHATTENTION_TILINGKEY(AxisEnum::AXIS_S1, AxisEnum::AXIS_S2, AxisEnum::AXIS_N2, // SupportedDtype::FLOAT32, InputLayout::BSH, SparseCapability::SUPPORT_ALL) constexpr uint64_t TILINGKEYOFFSET = uint64_t(10000000000000000000UL); // 10^19 template constexpr uint64_t GET_TILINGKEY(Args... templateIds) { return TILINGKEYOFFSET + RecursiveSum(templateIds...); } // usage: get tilingKey from inputed types // uint64_t tilingKey = TILINGKEY(S2, S1, N2, FLOAT32, BSND, ALL) #define TILINGKEY(ub2, ub1, block, dtype, layout, sparse) \ (GET_TILINGKEY(AxisEnum::ub2, AxisEnum::ub1, AxisEnum::block, DtypeEnum::dtype, LayoutEnum::layout, \ SparseEnum::sparse)) } // namespace Optiling } // namespace Transformer } // namespace Ops