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_v_mesh_executor.h"
      12              : #include "alg_template_register.h"
      13              : 
      14              : namespace hccl {
      15              : 
      16            0 : CollReduceScatterVMeshExecutor::CollReduceScatterVMeshExecutor(
      17            0 :     const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
      18            0 :     : CollReduceScatterVExecutor(dispatcher, topoMatcher)
      19              : {
      20            0 :     DMAReduceFlag_ = false;
      21            0 : }
      22              : 
      23            0 : void CollReduceScatterVMeshExecutor::ParseParam(const OpParam& param)
      24              : {
      25              :     // 910B 图模式非确定计算，inlineReduce使能，MESH拓扑场景下，创建一个mesh平面
      26              :     bool isInlineReduce
      27            0 :         = IsSupportSDMAReduce(param.inputPtr, param.outputPtr, param.VDataDes.dataType, param.reduceType);
      28            0 :     meshSinglePlane_ = (topoAttr_.deviceType == DevType::DEV_TYPE_910B)
      29            0 :                        && topoMatcher_->GetExternalInputHcclDeterministic() == DETERMINISTIC_DISABLE && isInlineReduce
      30            0 :                        && (workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OPS_KERNEL_INFO_LIB);
      31              : 
      32              :     // 记录图模式总数据量
      33            0 :     u64 totalSize = 0;
      34            0 :     const u64* counts = static_cast<const u64*>(param.VDataDes.counts);
      35            0 :     for (u32 i = 0; i < topoAttr_.userRankSize; i++) {
      36            0 :         totalSize += counts[i] * SIZE_TABLE[param.VDataDes.dataType];
      37              :     }
      38            0 :     totalSize_ = totalSize;
      39            0 :     scratchMemFlag_ = false; // mesh算法不需要使用scrachMem
      40            0 :     aicpuUnfoldMode_ = param.aicpuUnfoldMode;
      41            0 : }
      42              : 
      43            0 : HcclResult CollReduceScatterVMeshExecutor::CalcStreamNum(u32& streamNum)
      44              : {
      45            0 :     u32 totalStreamNum = topoAttr_.deviceNumPerAggregation > 1U ? topoAttr_.deviceNumPerAggregation - 1U : 1U;
      46            0 :     streamNum = totalStreamNum - 1U;
      47            0 :     HCCL_INFO("[CollReduceScatterVMeshExecutor][CalcStreamNum] tag[%s] streamNum[%u]", tag_.c_str(), streamNum);
      48            0 :     return HCCL_SUCCESS;
      49              : }
      50              : 
      51            0 : HcclResult CollReduceScatterVMeshExecutor::CalcCommInfo(std::vector<LevelNSubCommTransport>& opTransport)
      52              : {
      53            0 :     TransportMemType inputType = TransportMemType::RESERVED;
      54            0 :     TransportMemType outputType = TransportMemType::RESERVED;
      55            0 :     CHK_RET(CalcTransportMemType(inputType, outputType));
      56            0 :     CHK_RET(CalcLevel0CommInfo(inputType, outputType, opTransport));
      57            0 :     return HCCL_SUCCESS;
      58              : }
      59              : 
      60              : HcclResult
      61            0 : CollReduceScatterVMeshExecutor::CalcTransportMemType(TransportMemType& inputType, TransportMemType& outputType)
      62              : {
      63            0 :     inputType = TransportMemType::PARAM_INPUT;
      64            0 :     outputType = TransportMemType::PARAM_OUTPUT;
      65              : 
      66            0 :     HCCL_INFO(
      67              :         "[CollReduceScatterVMeshExecutor][CalcTransportMemType] tag[%s] inputType[%d],"
      68              :         " outputType[%d]",
      69              :         tag_.c_str(), inputType, outputType);
      70            0 :     return HCCL_SUCCESS;
      71              : }
      72              : 
      73            0 : HcclResult CollReduceScatterVMeshExecutor::CalcLevel0CommInfo(
      74              :     TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
      75              : {
      76            0 :     CommParaInfo commParaLevel0(COMM_LEVEL0, CommType::COMM_TAG_MESH);
      77            0 :     commParaLevel0.meshSinglePlane = meshSinglePlane_;
      78            0 :     CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel0, opTransport[COMM_LEVEL0], inputType, outputType));
      79            0 :     return HCCL_SUCCESS;
      80            0 : }
      81              : 
      82            0 : HcclResult CollReduceScatterVMeshExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
      83              : {
      84            0 :     HCCL_CONFIG_INFO(HCCL_ALG, "[CollReduceScatterVMeshExecutor] ReduceScatterV mesh run");
      85            0 :     HcclDataType dataType = param.VDataDes.dataType;
      86            0 :     const u32 unitSize = SIZE_TABLE[dataType];
      87              : 
      88            0 :     CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
      89            0 :     SubCommInfo subCommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
      90            0 :     u32 rankSize = subCommInfo.localRankSize;
      91              : 
      92            0 :     CHK_RET(ActiveSlaveStreams(param.stream));
      93              : 
      94              :     /* *******************节点内reducescatter ******************************************/
      95              :     // reduce_scatter_v 计算slice，数据分成ranksize份，每份的起始偏移和大小
      96            0 :     std::vector<Slice> inputSlices;
      97            0 :     const auto counts = static_cast<u64*>(param.VDataDes.counts);
      98            0 :     const auto displs = static_cast<u64*>(param.VDataDes.displs);
      99            0 :     for (u32 rank = 0; rank < rankSize; ++rank) {
     100            0 :         Slice userslice;
     101            0 :         userslice.offset = displs[rank] * unitSize;
     102            0 :         userslice.size = counts[rank] * unitSize;
     103            0 :         inputSlices.emplace_back(std::move(userslice));
     104              :     }
     105              : 
     106            0 :     u64 reduceAttr = GetReduceAttr(execMem.inputMem, execMem.outputMem, dataType, param.reduceType);
     107              :     std::unique_ptr<AlgTemplateBase> tempAlg
     108            0 :         = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_REDUCESCATTER_MESH_ATOMIC, dispatcher_);
     109            0 :     CHK_SMART_PTR_NULL(tempAlg);
     110              : 
     111            0 :     CHK_RET(tempAlg->Prepare(
     112              :         execMem.inputMem, execMem.outputMem, execMem.scratchMem, execMem.count, dataType, param.stream,
     113              :         param.reduceType, LEVEL0_BRIDGE_RANK_ID, inputSlices, 0, reduceAttr, algResResp_->slaveStreams,
     114              :         algResResp_->notifiesMain, algResResp_->notifiesAux, topoAttr_.userRank));
     115              : 
     116            0 :     CHK_RET(tempAlg->RegisterProfiler(
     117              :         (subCommInfo.localRankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + subCommInfo.localRank, PROF_STAGE_0,
     118              :         HCCL_EXEC_STEP_NOT_SET, param.stream));
     119              : 
     120            0 :     CHK_RET(RunTemplate(tempAlg, subCommInfo));
     121              : 
     122            0 :     return HCCL_SUCCESS;
     123            0 : }
     124              : 
     125              : REGISTER_EXEC("ReduceScatterVMeshExecutor", ReduceScatterVMesh, CollReduceScatterVMeshExecutor);
     126              : } // namespace hccl