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       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_CCU_TEMP_ALL_REDUCE_NHR_1D_MEM2MEM_H_
      12              : #define HCCLV2_CCU_TEMP_ALL_REDUCE_NHR_1D_MEM2MEM_H_
      13              : #include "string_util.h"
      14              : #include "env_config.h"
      15              : #include "ccu_alg_template_base.h"
      16              : #include "ccu_instruction_all_reduce_nhr1d_mem2mem.h"
      17              : #include "executor_utils.h"
      18              : 
      19              : 
      20              : namespace Hccl {
      21              : class CcuTempAllReduceNHRMem2Mem1D : public CcuAlgTemplateBase {
      22              : public:
      23              :     explicit CcuTempAllReduceNHRMem2Mem1D(const RankId virtualRank, const u32 tempRankSize,
      24              :                                    const std::vector<std::vector<RankId>> &tempVTopo,
      25              :                                    const std::map<RankId, u32>            &tempVirtRankMap);
      26              :     ~CcuTempAllReduceNHRMem2Mem1D() override;
      27              : 
      28            0 :     std::string Describe() const override
      29              :     {
      30            0 :         return StringFormat("Template of AllReduce ccu nhr 1D mem2mem with tempRankSize [%u].", tempRankSize_);
      31              :     }
      32              : 
      33              :     HcclResult GenExtIns(const TempFuncs &tempFuncs, TemplateDataParams &tempAlgParams,
      34              :                          const ResLinks &tempLinks, std::vector<InsQuePtr> &tempInsQues);
      35              :     HcclResult CalcRes(AlgTempResReq &tempResReq) override;
      36              :     uint64_t GetMaxSliceSize() const;
      37              :     void InitReduceInfo(const ReduceOp &reduceOp, const DataType &dataType);
      38              : 
      39              : private:
      40              :     HcclResult CalcSlice(const u64 dataSize, RankSliceInfo &sliceInfoVec);
      41              :     HcclResult GetStepInfo(u32 step, u32 nSteps, NHRStepInfo &stepInfo);
      42              :     HcclResult GetAllGatherStepInfo(u32 step, u32 nSteps, NHRStepInfo &stepInfo);
      43              :     HcclResult GetReduceScatterStepInfo(u32 step, NHRStepInfo &stepInfo);
      44              :     HcclResult ProcessNHRStepInfo(std::vector<NHRStepInfo> &stepInfoVector, RankGroup &rankGroup,
      45              :                                 std::map<u32, u32> &indexMap, std::vector<LinkData> &linksDie0,
      46              :                                 std::vector<LinkData> &linksDie1, const ResLinks &tempLinks, uint32_t axisSize);
      47              :     HcclResult SplitDataFor2Dies(uint64_t dataCount, const ResLinks &tempLinks,
      48              :                                 uint64_t &die0Size, uint64_t &die1Size) const;
      49              :     uint32_t virtRankId2RankId(const u32 virtRankId);
      50              :     ReduceOp reduceOp_;
      51              :     DataType dataType_;
      52              : };
      53              : 
      54              : } // namespace Hccl
      55              : 
      56              : #endif // HCCLV2_CCU_TEMP_ALL_REDUCE_MESH_1D_MEM2MEM_H_