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_reduce_scatter_semi_ring_executor.h"
      12              : 
      13              : namespace hccl {
      14              : 
      15            0 : CollReduceScatterSemiRingExecutor::CollReduceScatterSemiRingExecutor(
      16            0 :     const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
      17            0 :     : CollReduceScatterRingFor91093Executor(dispatcher, topoMatcher)
      18            0 : {}
      19              : 
      20            0 : HcclResult CollReduceScatterSemiRingExecutor::CalcNotifyNum(u32 streamNum, u32& notifyNum)
      21              : {
      22              :     // notify数量是从流的两倍 + 新增带notifyId的notify资源
      23            0 :     notifyNum = 2U * streamNum + (topoAttr_.deviceNumPerAggregation + 4U);
      24            0 :     HCCL_INFO("[CollReduceScatterSemiRingExecutor][CalcNotifyNum]tag[%s] notifyNum_ is [%u]", tag_.c_str(), notifyNum);
      25            0 :     return HCCL_SUCCESS;
      26              : }
      27              : 
      28            0 : HcclResult CollReduceScatterSemiRingExecutor::CalcStreamNum(u32& streamNum)
      29              : {
      30            0 :     u32 totalStreamNum = LEVEL0_PLANE_NUM_IN_NPRING_DOUBLE + 1U;
      31              : 
      32            0 :     streamNum = totalStreamNum - 1U;
      33            0 :     HCCL_INFO("[CollReduceScatterSemiRingExecutor][CalcStreamNum] tag[%s] streamNum_[%u]", tag_.c_str(), streamNum);
      34            0 :     return HCCL_SUCCESS;
      35              : }
      36              : 
      37            0 : void CollReduceScatterSemiRingExecutor::ParseParam(const OpParam& param)
      38              : {
      39            0 :     tag_ = param.tag;
      40              : 
      41              :     // 是否需要scratch memory
      42            0 :     if (isSupportSDMAReduce_ && topoAttr_.serverNum == 1) {
      43            0 :         scratchMemFlag_ = false;
      44              :     } else {
      45            0 :         scratchMemFlag_ = true;
      46              :     }
      47              : 
      48              :     // 记录图模式总数据量
      49            0 :     const HcclDataType dataType = param.GetDataType();
      50            0 :     totalSize_ = CalcTotalCount(param) * SIZE_TABLE[dataType];
      51            0 :     aicpuUnfoldMode_ = param.aicpuUnfoldMode;
      52            0 : }
      53              : 
      54            0 : HcclResult CollReduceScatterSemiRingExecutor::CalcLevel0CommInfo(
      55              :     TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
      56              : {
      57            0 :     CommParaInfo commParaLevel0(COMM_LEVEL0, CommType::COMM_TAG_MESH);
      58            0 :     CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel0, opTransport[COMM_LEVEL0], inputType, outputType));
      59              : 
      60            0 :     LevelNSubCommTransport& commTransportLevel0 = opTransport[COMM_LEVEL0];
      61            0 :     for (u32 subCommIndex = 0; subCommIndex < commTransportLevel0.size(); subCommIndex++) {
      62            0 :         for (auto& transportRequest : commTransportLevel0[subCommIndex].transportRequests) {
      63            0 :             transportRequest.notifyNum = topoAttr_.deviceNumPerAggregation + 4U; // 只传递额外的notify个数
      64            0 :             HCCL_INFO(
      65              :                 "[CollReduceScatterSemiRingExecutor][CalcLevel0CommInfo] set extral notifyNum[%u]",
      66              :                 transportRequest.notifyNum);
      67              :         }
      68              :     }
      69            0 :     return HCCL_SUCCESS;
      70            0 : }
      71              : 
      72            0 : HcclResult CollReduceScatterSemiRingExecutor::DoubleRingMidCountReduceScatter(
      73              :     const std::string& tag, DeviceMem inputMem, DeviceMem outputMem, const u64 count, const HcclDataType dataType,
      74              :     const HcclReduceOp reductionOp, const std::vector<std::vector<Slice>> multRingsSliceZero, Stream stream,
      75              :     s32 profStage, const u64 baseOffset, const HcomCollOpInfo* opInfo,
      76              :     const std::vector<std::vector<Slice>> multRingsUserMemSlice, const bool retryEnable)
      77              : {
      78              :     (void)tag;
      79              :     (void)baseOffset;
      80              :     (void)opInfo;
      81              :     (void)multRingsSliceZero;
      82              :     (void)retryEnable;
      83            0 :     HCCL_CONFIG_INFO(HCCL_ALG, "[CollReduceScatterSemiRingExecutor] DoubleRingMidCountReduceScatter starts.");
      84              : 
      85            0 :     CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
      86            0 :     SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
      87              : 
      88              :     // 此处计算reduceAttr计算outputmem使用scratchmem
      89            0 :     u64 reduceAttr = GetReduceAttr(inputMem, outputMem, dataType, reductionOp);
      90              :     // 执行
      91            0 :     std::unique_ptr<AlgTemplateBase> executor = AlgTemplateRegistry::Instance().GetAlgTemplate(
      92            0 :         TemplateType::TEMPLATE_REDUCESCATTER_UNIFIED_MARCH, dispatcher_);
      93            0 :     HCCL_CONFIG_INFO(HCCL_ALG, "[%s] Run TEMPLATE_REDUCESCATTER_UNIFIED_MARCH in COMM_LEVEL0", __func__);
      94            0 :     CHK_SMART_PTR_NULL(executor);
      95              : 
      96            0 :     CHK_RET(executor->Prepare(
      97              :         stream, level0CommInfo, algResResp_->paramInputMem, algResResp_->paramOutputMem, inputMem, outputMem, count,
      98              :         algResResp_->slaveStreams, algResResp_->notifiesMain, algResResp_->notifiesAux, dataType, reductionOp,
      99              :         multRingsUserMemSlice, reduceAttr));
     100              : 
     101            0 :     HcclResult ret = executor->RegisterProfiler(
     102              :         ((COMM_INDEX_0 + 1) << PROF_RINGINDEX_OFFSET_OF_PLANEID)
     103            0 :             + (level0CommInfo.localRankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + level0CommInfo.localRank,
     104              :         profStage, HCCL_EXEC_STEP_NOT_SET, stream);
     105            0 :     CHK_PRT_RET(
     106              :         ret != HCCL_SUCCESS,
     107              :         HCCL_ERROR(
     108              :             "[CollReduceScatterSemiRingExecutor][DoubleRingMidCountReduceScatter]"
     109              :             "Double ring ReduceScatter failed,return[%d]",
     110              :             ret),
     111              :         ret);
     112              : 
     113            0 :     CHK_RET(executor->RunAsync());
     114              : 
     115            0 :     HCCL_INFO("[CollReduceScatterSemiRingExecutor] ReduceScatter double ring level1 run success");
     116            0 :     return ret;
     117            0 : }
     118              : 
     119            0 : HcclResult CollReduceScatterSemiRingExecutor::RunIntraSeverReduceScatter(
     120              :     const std::string& tag, DeviceMem& inputMem, DeviceMem& outputMem, const u64 count, const HcclDataType& dataType,
     121              :     const HcclReduceOp& reductionOp, const std::vector<std::vector<Slice>>& multRingsSliceZero, const Stream& stream,
     122              :     s32 profStage, const u64 baseOffset, const HcomCollOpInfo* opInfo,
     123              :     const std::vector<std::vector<Slice>>& multRingsUserMemSlice, const bool retryEnable)
     124              : {
     125            0 :     CHK_RET(DoubleRingMidCountReduceScatter(
     126              :         tag, inputMem, outputMem, count, dataType, reductionOp, multRingsSliceZero, stream, profStage, baseOffset,
     127              :         opInfo, multRingsUserMemSlice, retryEnable));
     128            0 :     return HCCL_SUCCESS;
     129              : }
     130              : 
     131              : REGISTER_EXEC("ReduceScatterSemiRingExecutor", ReduceScatterDoubleRingMidCount, CollReduceScatterSemiRingExecutor);
     132              : 
     133              : } // namespace hccl