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 HCCLV2_TEMP_REDUCE_SCATTER_RING
      12              : #define HCCLV2_TEMP_REDUCE_SCATTER_RING
      13              : #include <vector>
      14              : #include <map>
      15              : #include <string>
      16              : #include <hccl/hccl_types.h>
      17              : 
      18              : #include "hccl/base.h"
      19              : #include "types/types.h"
      20              : #include "string_util.h"
      21              : #include "template_utils.h"
      22              : #include "alg_template_base_v2.h"
      23              : 
      24              : namespace Hccl {
      25              : 
      26              : class TempReduceScatterRing : public AlgTemplateBase {
      27              : public:
      28              :     explicit TempReduceScatterRing(
      29              :         const RankId virtualRank, const u32 tempRankSize, const std::vector<std::vector<RankId>>& tempVTopo,
      30              :         const std::map<RankId, u32>& tempVirtRankMap);
      31              :     ~TempReduceScatterRing() override;
      32              : 
      33            0 :     std::string Describe() const override
      34              :     {
      35            0 :         return StringFormat("Template of reduce scatter ring with tempRankSize [%u].", tempRankSize_);
      36              :     }
      37              : 
      38              :     HcclResult GenPrimQue(
      39              :         const TempFuncs& tempFuncs, const RankSliceInfo& sliceInfoVec, const BuffInfo& buffInfo,
      40              :         const ResLinks& tempLinks, std::vector<PrimQuePtr>& tempPrimQues) override;
      41              : 
      42              :     using AlgTemplateBase::CalcSliceInfo;
      43              :     HcclResult CalcSliceInfo(
      44              :         const AllignInfo& allignInfo, const bool forAllReduce, const u64 dataSize,
      45              :         RankSliceInfo& sliceInfoVec) override;
      46              : 
      47              :     using AlgTemplateBase::CalcRes;
      48              :     HcclResult CalcRes(const bool forAllReduce, AlgTempResReq& tempResReq, u32& requiredScratchMultiplier) override;
      49              : 
      50              : private:
      51              :     HcclResult CalcSliceInfoAllReduce(const AllignInfo& allignInfo, const u64 dataSize, RankSliceInfo& sliceInfoVec);
      52              : 
      53              :     HcclResult RunIndividualRing(
      54              :         const u32 queIdx, const bool& forAllReduce, const RankSliceInfo& sliceInfoVec, const ResLinks& tempLinks,
      55              :         PrimQuePtr currPrimQue);
      56              : 
      57              :     HcclResult PostCopyOffload(const RankSliceInfo& sliceInfoVec, std::vector<PrimQuePtr>& tempPrimQues);
      58              : 
      59              :     u32 stepNum_ = 0;
      60              : };
      61              : 
      62              : } // namespace Hccl
      63              : 
      64              : #endif // !HCCLV2_TEMP_REDUCE_SCATTER_RING