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_all_gather_small_count_executor.h"
      12              : 
      13              : namespace hccl {
      14            0 : CollAllGatherSmallCountExecutor::CollAllGatherSmallCountExecutor(
      15            0 :     const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
      16            0 :     : CollAllGatherExecutor(dispatcher, topoMatcher)
      17              : {
      18            0 :     DMAReduceFlag_ = true;
      19            0 : }
      20              : 
      21            0 : HcclResult CollAllGatherSmallCountExecutor::CalcCommInfo(std::vector<LevelNSubCommTransport>& opTransport)
      22              : {
      23            0 :     TransportMemType inputType = TransportMemType::RESERVED;
      24            0 :     TransportMemType outputType = TransportMemType::RESERVED;
      25            0 :     CHK_RET(CalcTransportMemType(inputType, outputType));
      26            0 :     CHK_RET(CalcCombinedCommInfo(inputType, outputType, opTransport));
      27            0 :     return HCCL_SUCCESS;
      28              : }
      29              : 
      30            0 : HcclResult CollAllGatherSmallCountExecutor::CalcStreamNum(u32& streamNum)
      31              : {
      32            0 :     constexpr u64 streamForSmallCount = 3;
      33            0 :     streamNum = streamForSmallCount;
      34            0 :     HCCL_INFO("[CollAllGatherSmallCountExecutor][CalcStreamNum] tag[%s] streamNum[%u]", tag_.c_str(), streamNum);
      35            0 :     return HCCL_SUCCESS;
      36              : }
      37              : 
      38            0 : bool CollAllGatherSmallCountExecutor::IsSmallData([[maybe_unused]] const u64 size) { return true; }
      39              : 
      40            0 : u64 CollAllGatherSmallCountExecutor::CalcLoopMaxCount(const u64 cclBuffSize, const u32 unitSize)
      41              : {
      42              :     // 中转内存单次最多能够接受的output count
      43            0 :     u64 maxCountPerLoop = cclBuffSize / (unitSize * topoAttr_.userRankSize);
      44            0 :     if (topoAttr_.userRankSize % HCCL_DEVICE_NUM_FOUR == 0) {
      45            0 :         maxCountPerLoop = maxCountPerLoop * HCCL_DEVICE_NUM_FOUR;
      46            0 :     } else if (topoAttr_.userRankSize % HCCL_DEVICE_NUM_TWO == 0) {
      47            0 :         maxCountPerLoop = maxCountPerLoop * HCCL_DEVICE_NUM_TWO;
      48              :     }
      49            0 :     HCCL_INFO(
      50              :         "[CollAllGatherSmallCountExecutor][CalcLoopMaxCount]"
      51              :         "maxCountPerLoop[%llu]",
      52              :         maxCountPerLoop);
      53            0 :     return maxCountPerLoop;
      54              : }
      55              : 
      56              : HcclResult
      57            0 : CollAllGatherSmallCountExecutor::CalcTransportMemType(TransportMemType& inputType, TransportMemType& outputType)
      58              : {
      59            0 :     if (workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OP_BASE) {
      60            0 :         inputType = TransportMemType::CCL_INPUT;
      61            0 :         outputType = TransportMemType::CCL_OUTPUT;
      62              :     } else {
      63            0 :         inputType = TransportMemType::PARAM_INPUT;
      64            0 :         outputType = TransportMemType::PARAM_OUTPUT;
      65              :     }
      66            0 :     HCCL_INFO(
      67              :         "[CollAllGatherSmallCountExecutor][CalcTransportMemType] tag[%s] inputType[%d], outputType[%d]", tag_.c_str(),
      68              :         inputType, outputType);
      69            0 :     return HCCL_SUCCESS;
      70              : }
      71              : 
      72            0 : HcclResult CollAllGatherSmallCountExecutor::CalcCombinedCommInfo(
      73              :     TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
      74              : {
      75            0 :     CommPlane commPlane = COMM_COMBINE;
      76            0 :     if (topoAttr_.deviceType == DevType::DEV_TYPE_910_93) {
      77            0 :         commPlane = COMM_COMBINE_ORDER;
      78              :     }
      79              : 
      80            0 :     CommParaInfo commParaInfo(commPlane, CommType::COMM_TAG_MESH);
      81            0 :     CHK_RET(CalcCommPlaneInfo(tag_, commParaInfo, opTransport[commPlane], inputType, outputType));
      82              : 
      83            0 :     return HCCL_SUCCESS;
      84            0 : }
      85              : 
      86            0 : HcclResult CollAllGatherSmallCountExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
      87              : {
      88            0 :     HCCL_CONFIG_INFO(HCCL_ALG, "[%s] starts.", __func__);
      89            0 :     CommPlane commPlane = COMM_COMBINE_ORDER;
      90              : 
      91            0 :     CHK_RET(CheckCommSize(commPlane, COMM_INDEX_0 + 1));
      92            0 :     SubCommInfo combinedCommInfo = GetSubCommInfo(commPlane, COMM_INDEX_0);
      93              : 
      94              :     // 构造ring algorithm对应的all_gather实例
      95              :     std::unique_ptr<AlgTemplateBase> algTemplate
      96            0 :         = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_HD_STAGE, dispatcher_);
      97            0 :     HCCL_CONFIG_INFO(HCCL_ALG, "[%s] Run TEMPLATE_ALL_GATHER_HD_STAGE in COMM_COMBINE_ORDER", __func__);
      98            0 :     CHK_RET(ActiveSlaveStreams(param.stream));
      99            0 :     HcomCollOpInfo opInfo = {"",
     100            0 :                              execMem.inputPtr,
     101            0 :                              execMem.outputPtr,
     102            0 :                              param.DataDes.count,
     103            0 :                              param.DataDes.dataType,
     104            0 :                              param.root,
     105            0 :                              param.reduceType,
     106            0 :                              0};
     107            0 :     CHK_SMART_PTR_NULL(algTemplate);
     108              : 
     109            0 :     PrepareData prepareData;
     110            0 :     prepareData.userRank = topoAttr_.userRank;
     111            0 :     prepareData.opInfo = &opInfo;
     112            0 :     prepareData.inputMem = execMem.inputMem;
     113            0 :     prepareData.outputMem = execMem.outputMem;
     114            0 :     prepareData.scratchMem = execMem.outputMem;
     115            0 :     prepareData.count = execMem.count;
     116            0 :     prepareData.dataType = param.DataDes.dataType;
     117            0 :     prepareData.stream = param.stream;
     118            0 :     prepareData.subStreamsPtr = &algResResp_->slaveStreams;
     119            0 :     prepareData.signalPtr = &algResResp_->notifiesMain;
     120            0 :     prepareData.signalAuxPtr = &algResResp_->notifiesAux;
     121              : 
     122            0 :     CHK_RET(algTemplate->Prepare(prepareData));
     123              : 
     124            0 :     CHK_RET(RunTemplate(algTemplate, combinedCommInfo));
     125              : 
     126            0 :     return HCCL_SUCCESS;
     127            0 : }
     128              : 
     129              : REGISTER_EXEC("AllGatherSmallCount", AllGatherSmallCount, CollAllGatherSmallCountExecutor);
     130              : 
     131              : } // namespace hccl