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              : #include "comm_halving_doubling.h"
      12              : 
      13              : namespace hccl {
      14            0 : CommHalvingDoubling::CommHalvingDoubling(
      15              :     const std::string& collectiveId, const u32 userRank, const u32 userRankSize, const u32 rank, const u32 rankSize,
      16              :     const TopoType topoFlag, const HcclDispatcher dispatcher, const std::unique_ptr<NotifyPool>& notifyPool,
      17              :     std::map<HcclIpAddress, HcclNetDevCtx>& netDevCtxMap, const IntraExchanger& exchanger,
      18              :     const std::vector<RankInfo> paraVector, const DeviceMem& inputMem, const DeviceMem& outputMem,
      19              :     const bool isUsedRdmaLevel0, const std::string& tag, const NICDeployment nicDeployInner, const u32 subUserRankRoot,
      20            0 :     HalvingDoublingType halvingDoublingType, const bool isHaveCpuRank, const bool useSuperPodMode)
      21              :     : CommBase(
      22              :           collectiveId, userRank, userRankSize, rank, rankSize, paraVector, topoFlag, dispatcher, notifyPool,
      23              :           netDevCtxMap, exchanger, inputMem, outputMem, isUsedRdmaLevel0, tag, nicDeployInner, false, false, false,
      24              :           INVALID_UINT, isHaveCpuRank, useSuperPodMode),
      25            0 :       subUserRankRoot_(subUserRankRoot),
      26            0 :       halvingDoublingType_(halvingDoublingType)
      27            0 : {}
      28              : 
      29            0 : CommHalvingDoubling::~CommHalvingDoubling() {}
      30              : 
      31            0 : HcclResult CommHalvingDoubling::CalcLink()
      32              : {
      33            0 :     u32 subRoot = INVALID_VALUE_RANKID;
      34            0 :     HcclResult ret = HCCL_SUCCESS;
      35            0 :     if (subUserRankRoot_ != INVALID_VALUE_RANKID) {
      36            0 :         CHK_RET(GetRankByUserRank(subUserRankRoot_, subRoot));
      37              :     }
      38              : 
      39              :     std::vector<bool> linkRelation
      40            0 :         = AlgTemplateBase::CalcLinksRelation(rank_, rankSize_, subRoot, halvingDoublingType_);
      41            0 :     if (linkRelation.size() == 0) {
      42            0 :         HCCL_ERROR("[Calc][Link]comm halving doubling calculate link relation failed!");
      43            0 :         return HCCL_E_INTERNAL;
      44              :     }
      45              : 
      46            0 :     for (u32 dstRank = 0; dstRank < rankSize_; dstRank++) {
      47            0 :         if (!linkRelation[dstRank]) {
      48            0 :             HCCL_DEBUG("comm halving doubling rank[%u] don't need create link with dst_rank[%u]", rank_, dstRank);
      49            0 :             continue;
      50              :         }
      51              : 
      52            0 :         if (rank_ < dstRank) {
      53            0 :             ret = CalcLinksNum(MachineType::MACHINE_SERVER_TYPE, dstRank);
      54            0 :             CHK_PRT_RET(
      55              :                 ret != HCCL_SUCCESS,
      56              :                 HCCL_ERROR(
      57              :                     "[Calc][Link]comm halving doubling calc links num failed, type[%d], "
      58              :                     "dstRank[%u]",
      59              :                     static_cast<int32_t>(MachineType::MACHINE_SERVER_TYPE), dstRank),
      60              :                 ret);
      61              :         }
      62              : 
      63            0 :         if (rank_ > dstRank) {
      64            0 :             ret = CalcLinksNum(MachineType::MACHINE_CLIENT_TYPE, dstRank);
      65            0 :             CHK_PRT_RET(
      66              :                 ret != HCCL_SUCCESS,
      67              :                 HCCL_ERROR(
      68              :                     "[Calc][Link]comm halving doubling calc links num failed, type[%d], "
      69              :                     "dstRank[%u]",
      70              :                     static_cast<int32_t>(MachineType::MACHINE_CLIENT_TYPE), dstRank),
      71              :                 ret);
      72              :         }
      73              :     }
      74              : 
      75            0 :     return HCCL_SUCCESS;
      76            0 : }
      77            0 : bool CommHalvingDoubling::NeedDataReceivedAck()
      78              : {
      79            0 :     HCCL_INFO("having-doubling need make a comm supporting DataReceivedAck");
      80            0 :     return true;
      81              : }
      82              : } // namespace hccl