LCOV - code coverage report
Current view: top level - legacy/ascend910/algorithm/impl/coll_executor/coll_broadcast - coll_broadcast_mesh_executor.cc (source / functions) Coverage Total Hit
Test: coverage.info Lines: 2.7 % 150 4
Test Date: 2026-08-04 10:52:23 Functions: 14.3 % 7 1

            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 "coll_broadcast_mesh_executor.h"
      12              : 
      13              :  namespace hccl {
      14              : 
      15            1 : CollBroadcastMeshExecutor::CollBroadcastMeshExecutor(const HcclDispatcher dispatcher,
      16            1 :     std::unique_ptr<TopoMatcher> &topoMatcher)
      17            1 :     : CollBroadcastExecutor(dispatcher, topoMatcher)
      18              : {
      19            1 : }
      20              : 
      21            0 : HcclResult CollBroadcastMeshExecutor::CalcStreamNum(u32& streamNum)
      22              : {
      23            0 :     u32 totalStreamNum = 0U;
      24            0 :     if (algType_.algoLevel0 == AlgTypeLevel0::ALG_LEVEL0_4P_MESH) {
      25            0 :         totalStreamNum = LEVEL0_PLANE_NUM_IN_4PMESH;
      26              :     } else {
      27            0 :         if ((workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OP_BASE) &&
      28            0 :             (topoAttr_.deviceType == DevType::DEV_TYPE_910B) && topoAttr_.isSingleMeshAggregation ) {
      29            0 :             totalStreamNum = topoAttr_.deviceNumPerAggregation;
      30              :         } else {
      31            0 :             totalStreamNum = topoAttr_.deviceNumPerAggregation - 1;
      32              :         }
      33              :     }
      34            0 :     streamNum = totalStreamNum > 0 ? totalStreamNum - 1 : 0;
      35              : 
      36            0 :     HCCL_INFO("[CollBroadcastMeshExecutor][CalcStreamNum] tag[%s] streamNum_[%u]", tag_.c_str(), streamNum);
      37            0 :     return HCCL_SUCCESS;
      38              : }
      39              : 
      40            0 : HcclResult CollBroadcastMeshExecutor::CalcCommInfo(std::vector<LevelNSubCommTransport>& opTransport)
      41              : {
      42            0 :     TransportMemType inputType = TransportMemType::RESERVED;
      43            0 :     TransportMemType outputType = TransportMemType::RESERVED;
      44            0 :     CHK_RET(CalcTransportMemType(inputType, outputType));
      45            0 :     CHK_RET(CalcLevel0CommInfo(inputType, outputType, opTransport));
      46            0 :     CHK_RET(CalcLevel1CommInfo(inputType, outputType, opTransport));
      47            0 :     return HCCL_SUCCESS;
      48              : }
      49              : 
      50            0 : HcclResult CollBroadcastMeshExecutor::CalcLevel0CommInfo(TransportMemType inputType,
      51              :     TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
      52              : {
      53            0 :     CommParaInfo commParaLevel0(COMM_LEVEL0, CommType::COMM_TAG_MESH);
      54            0 :     commParaLevel0.meshSinglePlane = true;
      55            0 :     CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel0, opTransport[COMM_LEVEL0], inputType, outputType));
      56            0 :     return HCCL_SUCCESS;
      57            0 : }
      58              : 
      59            0 : HcclResult CollBroadcastMeshExecutor::KernelRun(const OpParam &param, ExecMem &execMem)
      60              : {
      61            0 :     HCCL_CONFIG_INFO(HCCL_ALG, "[CollBroadcastMeshExecutor][KernelRun] userRank[%u] starts.", topoAttr_.userRank);
      62            0 :     u32 perDataSize = SIZE_TABLE[param.DataDes.dataType];
      63              : 
      64            0 :     bool isUsedRegister = false;
      65            0 :     std::unique_ptr<AlgTemplateBase> level0TempAlg1;
      66            0 :     std::unique_ptr<AlgTemplateBase> level1TempAlg;
      67            0 :     std::unique_ptr<AlgTemplateBase> level0TempAlg2;
      68              : 
      69            0 :     SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
      70            0 :     u32 commIndex = level0CommInfo.localRank;
      71            0 :     CHK_RET(CheckCommSize(COMM_LEVEL1, commIndex + 1));
      72              : 
      73            0 :     level0TempAlg1 = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_SCATTER_MESH, dispatcher_);
      74            0 :     CHK_SMART_PTR_NULL(level0TempAlg1);
      75            0 :     CHK_RET(level0TempAlg1->Prepare(level0CommInfo.localRank, level0CommInfo.localRankSize));
      76            0 :     level0TempAlg1->CloseBarrier();
      77              : 
      78              :     /* 内层topo:all_reduce */
      79              :     /* 外层所有rank均参与内层的broadcast计算,所以此处对rank不作限制,但是每个rank需找到自己所在的内层通信域 */
      80            0 :     std::vector<Slice> slice;
      81            0 :     CHK_RET(GetRankSliceSize(param.DataDes.dataType, execMem.count, level0CommInfo.localRankSize, slice));
      82              : 
      83            0 :     CHK_PRT_RET(slice.empty(), HCCL_ERROR("[BroadCastOperator][BroadCastMeshExecutor]got slice is empty"),
      84              :         HCCL_E_INTERNAL);
      85              : 
      86            0 :     SubCommInfo level1CommInfo = GetSubCommInfo(COMM_LEVEL1, commIndex);
      87              : 
      88            0 :     u64 curSize = execMem.count * SIZE_TABLE[param.DataDes.dataType];
      89            0 :     if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_NHR) {
      90            0 :         HCCL_DEBUG("broadcast mesh: curSize[%llu] deviceNumPerAggregation[%u] commLevel0Size[%u]",
      91              :             curSize, topoAttr_.deviceNumPerAggregation, level0CommInfo.localRankSize);
      92            0 :         if (curSize / topoAttr_.deviceNumPerAggregation <= NHR_BCAST_SMALL_SIZE) {
      93            0 :             level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(
      94            0 :                 TemplateType::TEMPLATE_BROADCAST_NHR_ONESHOT, dispatcher_);
      95              :         } else {
      96            0 :             level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(
      97            0 :                 TemplateType::TEMPLATE_BROADCAST_NHR, dispatcher_);
      98              :         }
      99            0 :         HCCL_INFO("broadcast mesh: using nhr algo inter-server.");
     100            0 :     } else if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_NHR_V1) {
     101            0 :         isUsedRegister = true;
     102            0 :         level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_BROADCAST_NHR_V1,
     103            0 :             dispatcher_);
     104            0 :         HCCL_INFO("broadcast mesh: using nhr_v1 algo inter-server.");
     105            0 :     } else if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_NB) {
     106            0 :         const u32 level1RankSize = level1CommInfo.localRankSize;
     107            0 :         HCCL_DEBUG("[CollBroadcastMeshExecutor][KernelRun]level1RankSize is %u", level1RankSize);
     108            0 :         if (ShouldUseBinaryBroadcastOfNB(curSize / topoAttr_.deviceNumPerAggregation, level1RankSize,
     109            0 :                 topoAttr_.userRankSize, topoAttr_.deviceNumPerAggregation)) {
     110            0 :             level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(
     111            0 :                 TemplateType::TEMPLATE_BROADCAST_NB_BINARY, dispatcher_);
     112              :         } else {
     113            0 :             level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(
     114            0 :                 TemplateType::TEMPLATE_BROADCAST_NB, dispatcher_);
     115              :         }
     116            0 :         HCCL_INFO("broadcast mesh: using nonuniform-bruck algo inter-server.");
     117              :     } else {
     118            0 :         level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(
     119            0 :             TemplateType::TEMPLATE_BROADCAST_RECURSIVE_HD, dispatcher_);
     120            0 :         HCCL_INFO("broadcast mesh: using Recursive halving-doubling algo inter-server.");
     121              :     }
     122            0 :     CHK_SMART_PTR_NULL(level1TempAlg);
     123              : 
     124              :     /* 外层topo:all_gather */
     125            0 :     if (topoAttr_.deviceType == DevType::DEV_TYPE_910B) {
     126            0 :         level0TempAlg2 = AlgTemplateRegistry::Instance().GetAlgTemplate(
     127            0 :             TemplateType::TEMPLATE_ALL_GATHER_MESH_ATOMIC, dispatcher_);
     128              :     } else {
     129            0 :         level0TempAlg2 = AlgTemplateRegistry::Instance().GetAlgTemplate(
     130            0 :             TemplateType::TEMPLATE_ALL_GATHER_MESH, dispatcher_);
     131              :     }
     132            0 :     CHK_SMART_PTR_NULL(level0TempAlg2);
     133            0 :     CHK_RET(level0TempAlg2->Prepare(algResResp_->slaveStreams, algResResp_->notifiesMain, algResResp_->notifiesAux,
     134              :         topoAttr_.userRank, nullptr, level0CommInfo.localRank, level0CommInfo.localRankSize));
     135              : 
     136              :     /* 节点内执行器 stage0 */
     137            0 :     u32 rootRank = 0;
     138            0 :     HcclResult ret = GetRankByUserRank(COMM_LEVEL0, COMM_INDEX_0, param.root, rootRank);
     139            0 :     CHK_PRT_RET(ret != HCCL_SUCCESS,
     140              :         HCCL_ERROR("[BroadCastOperator][BroadCastMeshExecutor]invalid root[%u] to get userrank", param.root), ret);
     141              : 
     142            0 :     if (ret == HCCL_SUCCESS) {
     143            0 :         CHK_RET(level0TempAlg1->Prepare(execMem.inputMem, execMem.outputMem, execMem.outputMem, execMem.count,
     144              :                 param.DataDes.dataType, param.stream, HCCL_REDUCE_RESERVED, rootRank, slice));
     145              : 
     146            0 :         u32 rankSize = level0CommInfo.localRankSize;
     147            0 :         CHK_RET(level0TempAlg1->RegisterProfiler(
     148              :             (0 << PROF_RINGINDEX_OFFSET_OF_PLANEID)+(rankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) +
     149              :             level0CommInfo.localRank, PROF_STAGE_0, HCCL_EXEC_STEP_NOT_SET, param.stream));
     150              : 
     151            0 :         CHK_RET(RunTemplate(level0TempAlg1, level0CommInfo));
     152              :     } else {
     153            0 :         HCCL_ERROR("[BroadCastOperator][BroadCastMeshExecutor]invalid root[%u] to get userrank", param.root);
     154              :     }
     155            0 :     HCCL_INFO("[BroadCastOperator][BroadCastMeshExecutor] stage0 run success");
     156            0 :     u64 hdCount = slice[level0CommInfo.localRank].size / perDataSize;
     157              :     /* 节点间执行器 stage1 */
     158              : 
     159            0 :     u32 subUserrankRoot = topoMatcher_->GetSubRootUserRank(topoAttr_.userRank, param.root);
     160            0 :     CHK_PRT_RET(subUserrankRoot == INVALID_VALUE_RANKID,
     161              :         HCCL_ERROR("[BroadCastOperator][BroadCastMeshExecutor]subUserrankRoot[%u] is invalid,userRank[%u],root[%u]",
     162              :         subUserrankRoot, topoAttr_.userRank, param.root),
     163              :         HCCL_E_INTERNAL);
     164              : 
     165            0 :     u32 subRoot = 0;
     166            0 :     CHK_RET(GetRankByUserRank(COMM_LEVEL1, commIndex, subUserrankRoot, subRoot));
     167              : 
     168              :     // 增加偏移参数
     169            0 :     if (isUsedRegister) {
     170            0 :         PrepareData prepareData;
     171            0 :         prepareData.inputMem = execMem.inputMem;
     172            0 :         prepareData.outputMem = execMem.outputMem;
     173            0 :         prepareData.scratchMem = execMem.outputMem;
     174            0 :         prepareData.count = hdCount;
     175            0 :         prepareData.dataType = param.DataDes.dataType;
     176            0 :         prepareData.stream = param.stream;
     177            0 :         prepareData.reductionOp = HCCL_REDUCE_RESERVED;
     178            0 :         prepareData.root = subRoot;
     179            0 :         prepareData.baseOffset = slice[level0CommInfo.localRank].offset;
     180            0 :         CHK_RET(level1TempAlg->Prepare(prepareData));
     181            0 :     } else {
     182            0 :         CHK_RET(level1TempAlg->Prepare(execMem.inputMem, execMem.outputMem, execMem.outputMem, hdCount,
     183              :             param.DataDes.dataType, param.stream, HCCL_REDUCE_RESERVED, subRoot,
     184              :             std::vector<Slice>(0), slice[level0CommInfo.localRank].offset));
     185              :     }
     186              : 
     187            0 :     u32 rankSize = level1CommInfo.localRankSize;
     188            0 :     CHK_RET(level1TempAlg->RegisterProfiler((0 << PROF_RINGINDEX_OFFSET_OF_PLANEID) +
     189              :         (rankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + level1CommInfo.localRank,
     190              :         PROF_STAGE_1, HCCL_EXEC_STEP_NOT_SET, param.stream));
     191              : 
     192            0 :     CHK_RET(RunTemplate(level1TempAlg, level1CommInfo));
     193            0 :     HCCL_INFO("[BroadCastOperator][BroadCastMeshExecutor] stage1 run success");
     194              : 
     195              :     /* 节点内执行器 stage2 */
     196              :     {
     197            0 :         if (workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OPS_KERNEL_INFO_LIB) { // offline
     198            0 :             for (u32 streamIndex = 0; streamIndex < algResResp_->slaveStreams.size(); streamIndex++) {
     199            0 :                 CHK_RET(StreamActiveManager::GetInstance(topoAttr_.deviceLogicId).StreamActive(
     200              :                     algResResp_->slaveStreams[streamIndex].ptr(), param.stream.ptr()));
     201              :             }
     202              :         }
     203            0 :         CHK_RET(level0TempAlg2->Prepare(execMem.outputMem, execMem.outputMem, execMem.outputMem, execMem.count,
     204              :                                         param.DataDes.dataType, param.stream, HCCL_REDUCE_RESERVED, LEVEL0_BRIDGE_RANK_ID, slice));
     205              : 
     206            0 :         u32 rankSize = level0CommInfo.localRankSize;
     207            0 :         CHK_RET(level0TempAlg2->RegisterProfiler((0 << PROF_RINGINDEX_OFFSET_OF_PLANEID) +
     208              :             (rankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + level0CommInfo.localRank,
     209              :             PROF_STAGE_2, HCCL_EXEC_STEP_NOT_SET, param.stream));
     210              : 
     211            0 :         CHK_RET(RunTemplate(level0TempAlg2, level0CommInfo));
     212              :     }
     213              : 
     214            0 :     HCCL_INFO("[BroadCastOperator][BroadCastMeshExecutor] stage2 run success");
     215            0 :     return HCCL_SUCCESS;
     216            0 : }
     217            0 : HcclResult CollBroadcastMeshExecutor::Getlevel1CommRank(SubCommInfo& level1CommInfo)
     218              : {
     219            0 :     CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
     220            0 :     SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
     221              : 
     222            0 :     u32 commIndex = level0CommInfo.localRank; // 找到rank所在的节点间平面
     223            0 :     CHK_RET(CheckCommSize(COMM_LEVEL1, commIndex + 1));
     224              : 
     225            0 :     level1CommInfo = GetSubCommInfo(COMM_LEVEL1, commIndex);
     226            0 :     return HCCL_SUCCESS;
     227            0 : }
     228              : 
     229            0 : HcclResult CollBroadcastMeshExecutor::SelectTempAlg(std::unique_ptr<AlgTemplateBase> &level1TempAlg, u32 level1RankSize)
     230              : {
     231            0 :     if (level1RankSize > 1) {
     232            0 :         if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_NHR) {
     233            0 :             level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(
     234            0 :                 TemplateType::TEMPLATE_BROADCAST_NHR, dispatcher_);
     235            0 :         } else if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_NHR_V1) {
     236            0 :             level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_BROADCAST_NHR_V1,
     237            0 :                 dispatcher_);
     238            0 :             HCCL_INFO("broadcast mesh: using nhr_v1 algo inter-server.");
     239            0 :         } else if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_NB) {
     240            0 :             level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(
     241            0 :                 TemplateType::TEMPLATE_BROADCAST_NB, dispatcher_);
     242            0 :             HCCL_INFO("broadcast mesh: using nonuniform-bruck algo inter-server.");
     243              :         } else {
     244            0 :             level1TempAlg = AlgTemplateRegistry::Instance().GetAlgTemplate(
     245            0 :                 TemplateType::TEMPLATE_BROADCAST_RECURSIVE_HD, dispatcher_);
     246            0 :             HCCL_INFO("broadcast mesh: using Recursive halving-doubling algo inter-server.");
     247              :         }
     248            0 :         CHK_SMART_PTR_NULL(level1TempAlg);
     249              :     }
     250            0 :     return HCCL_SUCCESS;
     251              : }
     252              : REGISTER_EXEC("BroadCastMeshExecutor", BroadcastMesh, CollBroadcastMeshExecutor);
     253              : 
     254              :  } // namespace hccl
        

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