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 OPEN_HCCL_INS_TEMP_REDUCE_SCATTER_MESH_H
      12              : #define OPEN_HCCL_INS_TEMP_REDUCE_SCATTER_MESH_H
      13              : 
      14              : #include "string_util.h"
      15              : #include "ins_alg_template_base.h"
      16              : #include "executor_utils.h"
      17              : namespace Hccl {
      18              : 
      19              : class InsTempReduceScatterMesh1D : public InsAlgTemplateBase {
      20              : public:
      21              :     explicit InsTempReduceScatterMesh1D(const RankId virtualRank, const u32 tempRankSize,
      22              :                                      const std::vector<std::vector<RankId>> &tempVTopo,
      23              :                                      const std::map<RankId, u32>            &tempVirtRankMap);
      24              :     ~InsTempReduceScatterMesh1D() override;
      25              : 
      26            0 :     std::string Describe() const override
      27              :     {
      28            0 :         return StringFormat("Template of reduce scatter NHR with tempRankSize [%u].", tempRankSize_);
      29              :     }
      30              : 
      31              :     HcclResult GenExtIns(const TempFuncs &tempFuncs, const TemplateDataParams &tempAlgParams,
      32              :                          const ResLinks &tempLinks, std::vector<InsQuePtr> &tempInsQues);
      33              :     HcclResult CalcRes(AlgTempResReq &tempResReq) override;
      34              :     HcclResult PostCopy(const TemplateDataParams &tempAlgParams, std::vector<InsQuePtr> &tempInsQues);
      35              :     u64 CalcScratchMultiple(const BufferType &inBuffType, const BufferType &outBuffType) const;
      36              : private:
      37              :     HcclResult RunReduceScatter(const ResLinks &tempLinks, std::vector<InsQuePtr> &tempInsQues,
      38              :                                 const TemplateDataParams &tempAlgParams);
      39              :     RankId GetRankFromMap(const u32 rankIdx);
      40              :     vector<u64> processSize_{0};
      41              :     vector<u64> linkSliceOffsetVec_{0};
      42              : };
      43              : 
      44              : } // namespace Hccl
      45              : 
      46              : #endif //OPEN_HCCL_INS_TEMP_REDUCE_SCATTER_MESH_H