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 INS_TEMP_REDUCE_SCATTER_MESH_2D_H
      12              : #define INS_TEMP_REDUCE_SCATTER_MESH_2D_H
      13              : 
      14              : #include "string_util.h"
      15              : #include "ins_temp_all_gather_nhr.h"
      16              : #include "ins_alg_template_base.h"
      17              : #include "executor_utils.h"
      18              : 
      19              : #define DATASLICE_ONE 1
      20              : 
      21              : namespace Hccl {
      22              : 
      23              : constexpr u32 PARALLEL_SIZE = 2;
      24              : class InsTempReduceScatterMesh2D : public InsAlgTemplateBase {
      25              : public:
      26              :     explicit InsTempReduceScatterMesh2D(
      27              :         const RankId virtualRank, const u32 tempRankSize, const std::vector<std::vector<RankId>>& tempVTopo,
      28              :         const std::map<RankId, u32>& tempVirtRankMap);
      29              :     ~InsTempReduceScatterMesh2D() override;
      30              : 
      31            0 :     std::string Describe() const override
      32              :     {
      33            0 :         return StringFormat("Template of reduce scatter Mesh2D with tempRankSize [%u].", tempRankSize_);
      34              :     }
      35              :     u64 CalcScratchMultiple(const BufferType& inBuffType, const BufferType& outBuffType);
      36              :     HcclResult CalcRes(AlgTempResReq& tempResReq) override;
      37              :     HcclResult GenExtIns(
      38              :         const TempFuncs& tempFuncs, TemplateDataParams& tempAlgParams, const ResLinks& tempLinks,
      39              :         std::vector<InsQuePtr>& tempInsQues);
      40              : 
      41              : private:
      42              :     HcclResult CalcResLinksMesh2D(const u32 linkNumBtwPeers, AlgTempResReq& tempResReq);
      43              :     HcclResult PreCopy(const TemplateDataParams& tempAlgParams, std::vector<InsQuePtr>& tempInsQues);
      44              :     HcclResult SendRecvProcess(
      45              :         const ResLinks& tempLinks, std::vector<std::vector<DataSlice>> allSliceVec, std::vector<InsQuePtr>& tempInsQues,
      46              :         u32 remoteRank, u32 queIdx) const;
      47              :     HcclResult RunFirstLevel(
      48              :         const ResLinks& tempLinks, std::vector<InsQuePtr>& tempInsQues, const TemplateDataParams& tempAlgParams);
      49              :     HcclResult RunFirstReduce(std::vector<InsQuePtr>& tempInsQues, const TemplateDataParams& tempAlgParams);
      50              :     HcclResult RunSecondLevel(
      51              :         const ResLinks& tempLinks, std::vector<InsQuePtr>& tempInsQues, const TemplateDataParams& tempAlgParams);
      52              :     HcclResult RunSecondReduce(std::vector<InsQuePtr>& tempInsQues, const TemplateDataParams& tempAlgParams);
      53              :     RankId GetRankFromMap(const u32 rankIdx);
      54              :     u32 xQueNum_ = 0;
      55              :     u32 yQueNum_ = 0;
      56              :     u32 xRankSize_ = 0;
      57              :     u32 yRankSize_ = 0;
      58              :     u32 xRankId_ = 0;
      59              :     u32 yRankId_ = 0;
      60              :     u64 halfDataSize_ = 0;
      61              : };
      62              : 
      63              : } // namespace Hccl
      64              : 
      65              : #endif // INS_TEMP_REDUCE_SCATTER_MESH_2D_H