Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : 
      11              : #ifndef COLL_REDUCESCATTERV_EXECUTOR_H
      12              : #define COLL_REDUCESCATTERV_EXECUTOR_H
      13              : #include "coll_comm_executor.h"
      14              : 
      15              : namespace hccl {
      16              : 
      17              : class CollReduceScatterVExecutor : public CollCommExecutor {
      18              : public:
      19              :     explicit CollReduceScatterVExecutor(const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher);
      20            0 :     ~CollReduceScatterVExecutor() override = default;
      21              : 
      22              :     HcclResult Orchestrate(OpParam& param, AlgResourceResponse& algRes) override;
      23              :     HcclResult GetAdjInfo(AlgResourceResponse& algRes, AdjInfo& adjInfo) override;
      24              : 
      25              : protected:
      26              :     // ReduceScatter Loop Executor公共接口
      27              :     virtual u64 CalcLoopMaxCount(const u32 unitSize);
      28              :     virtual HcclResult CalcCurCountsAndCurDispls(
      29              :         const u64 maxTotalCount, std::vector<u64>& countsLeft, std::vector<u64>& displs, std::vector<u64>& curCounts,
      30              :         std::vector<u64>& curDispls, bool& finished);
      31              :     virtual bool IsHugeData(const u64 curSize, const OpParam& param);
      32              :     virtual HcclResult RunLoop(OpParam& param, AlgResourceResponse& algRes);
      33              : 
      34              :     // 工具类
      35              :     void PrintCurCountAndCurDispls(const std::vector<u64>& curCounts, const std::vector<u64>& curDispls);
      36              : 
      37              :     bool CCLMemSlice_{true};     // 每次Loop是否需要对CCLMem进行切片
      38              :     bool DMAReduceFlag_{false};  // 是否DMA消减
      39              :     bool scratchMemFlag_{false}; // 是否需要申请scratch memory，不需要申请则传入outputmem为scratchmem
      40              :     u64 totalSize_{0};           // 总数据量
      41              : 
      42              : private:
      43              :     HcclResult RunLoopInner(OpParam& param, const ReduceType& reduceType, ExecMem& execMem);
      44              : };
      45              : 
      46              : } // namespace hccl
      47              : 
      48              : #endif