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 ALL_GATHER_HD_STAGE_PUB_H
      12              : #define ALL_GATHER_HD_STAGE_PUB_H
      13              : 
      14              : #include "alg_template_base_pub.h"
      15              : #include "mem_host_pub.h"
      16              : #include "mem_device_pub.h"
      17              : #include "stream_pub.h"
      18              : #include "alg_template_register.h"
      19              : 
      20              : namespace hccl {
      21              : class AllGatherHDStage : public AlgTemplateBase {
      22              : public:
      23              :     explicit AllGatherHDStage(const HcclDispatcher dispatcher);
      24              :     ~AllGatherHDStage() override;
      25              : 
      26              :     HcclResult RunAsync(const u32 rank, const u32 rankSize, const std::vector<LINK>& links) override;
      27              :     HcclResult Prepare(PrepareData& param) override;
      28              : 
      29              : protected:
      30              : private:
      31              :     HcclResult MainRecordSub(u32 streamNum);
      32              :     HcclResult SubWaitMain(u32 streamNum);
      33              :     HcclResult MainWaitSub(u32 streamNum);
      34              :     HcclResult SubRecordMain(u32 streamNum);
      35              :     HcclResult ReverseId(u32 oriIdx, u32& revIdx);
      36              :     HcclResult PrepareSliceData(u32 subRank, u32 subRankSize, u32 size, u32 batchSize, std::vector<Slice>& slices);
      37              :     HcclResult RunPreCopy(u32 rank, u32 rankSize, const std::vector<LINK>& links);
      38              :     HcclResult RunAllGatherStage(u32 rank, u32 rankSize, const std::vector<LINK>& links);
      39              :     HcclResult RunAllGatherNoPower(u32 rank, u32 rankSize, const std::vector<LINK>& links);
      40              :     HcclResult RunBetweenStep(u32 rank, u32 neighCur, u32 neighNext, const std::vector<LINK>& links);
      41              :     HcclResult RunAllGatherPower(u32 rank, u32 rankSize, const std::vector<LINK>& links);
      42              :     HcclResult RunAllGatherLast(u32 rank, u32 rankSize, const std::vector<LINK>& links);
      43              :     HcclResult RunAllGatherLastOne(u32 rank, u32 rankSize, const std::vector<LINK>& links);
      44              :     HcclResult RunAllGatherLastTwo(u32 rank, u32 rankSize, const std::vector<LINK>& links);
      45            0 :     inline u32 BackwardRank(u32 rank, u32 rankSize, u32 step) const
      46              :     {
      47            0 :         if (rankSize == 0) {
      48            0 :             return 0;
      49              :         }
      50            0 :         return (rank + rankSize - step) % rankSize;
      51              :     }
      52              :     const u32 base = 2;
      53              :     u32 userRank_;
      54              :     std::vector<Stream> meshStreams_;                                   /* * 多steam* */
      55              :     const std::vector<std::shared_ptr<LocalNotify>>* meshSignalPtr_;    /* 每个ring创建一个signal */
      56              :     const std::vector<std::shared_ptr<LocalNotify>>* meshSignalAuxPtr_; /* 从stream wait，主steam record */
      57              :     const HcomCollOpInfo* opInfo_;
      58              :     std::vector<Slice> sliceNoPower_;
      59              :     std::vector<Slice> slicePower_;
      60              :     const std::vector<u32> resMap = {0, 2, 1, 3};
      61              :     u32 nSteps_ = 0;
      62              :     u32 powerSteps_ = 0;
      63              :     u32 finalSteps_ = 0;
      64              :     u32 noPower_ = 0;
      65              :     u32 totalSize_ = 0;
      66              : };
      67              : } // namespace hccl
      68              : #endif /* ALL_GATHER_HD_STAGE_PUB_H */