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_reduce_mesh_mid_count_executor.h"
12 :
13 : namespace hccl {
14 :
15 1 : CollAllReduceMeshMidCountExecutor::CollAllReduceMeshMidCountExecutor(
16 1 : const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
17 1 : : CollAllReduceExecutor(dispatcher, topoMatcher)
18 : {
19 1 : CCLMemSlice_ = false;
20 1 : DMAReduceFlag_ = true;
21 1 : }
22 :
23 1 : HcclResult CollAllReduceMeshMidCountExecutor::CalcStreamNum(u32& streamNum)
24 : {
25 1 : u32 totalStreamNum = INVALID_UINT;
26 1 : if (workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OP_BASE) {
27 1 : totalStreamNum = topoAttr_.deviceNumPerAggregation;
28 : } else {
29 0 : totalStreamNum = topoAttr_.deviceNumPerAggregation - 1U;
30 : }
31 1 : streamNum = totalStreamNum - 1U;
32 1 : HCCL_INFO("[CollAllReduceMeshMidCountExecutor][CalcStreamNum] tag[%s] streamNum[%u]", tag_.c_str(), streamNum);
33 1 : return HCCL_SUCCESS;
34 : }
35 :
36 1 : HcclResult CollAllReduceMeshMidCountExecutor::CalcCommInfo(std::vector<LevelNSubCommTransport>& opTransport)
37 : {
38 1 : TransportMemType inputType = TransportMemType::RESERVED;
39 1 : TransportMemType outputType = TransportMemType::RESERVED;
40 1 : CHK_RET(CalcTransportMemType(inputType, outputType));
41 1 : CHK_RET(CalcLevel0CommInfo(inputType, outputType, opTransport));
42 1 : return HCCL_SUCCESS;
43 : }
44 :
45 : HcclResult
46 1 : CollAllReduceMeshMidCountExecutor::CalcTransportMemType(TransportMemType& inputType, TransportMemType& outputType)
47 : {
48 1 : if (workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OP_BASE) {
49 1 : inputType = TransportMemType::CCL_INPUT;
50 1 : outputType = TransportMemType::CCL_OUTPUT;
51 : } else {
52 0 : inputType = TransportMemType::PARAM_INPUT; // userInput
53 0 : outputType = TransportMemType::PARAM_OUTPUT;
54 : }
55 1 : HCCL_INFO(
56 : "[CollAllReduceMeshMidCountExecutor][CalcTransportMemType]tag[%s] inputType[%d], outputType[%d].", tag_.c_str(),
57 : inputType, outputType);
58 1 : return HCCL_SUCCESS;
59 : }
60 :
61 1 : HcclResult CollAllReduceMeshMidCountExecutor::CalcLevel0CommInfo(
62 : TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
63 : {
64 1 : CommParaInfo commParaLevel0(COMM_LEVEL0, CommType::COMM_TAG_MESH);
65 1 : commParaLevel0.meshSinglePlane = true;
66 1 : CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel0, opTransport[COMM_LEVEL0], inputType, outputType));
67 1 : return HCCL_SUCCESS;
68 1 : }
69 :
70 1 : bool CollAllReduceMeshMidCountExecutor::IsHugeData(const u64 curSize)
71 : {
72 : // 只有server内通信,多QP哈希散列下不刷新子图
73 1 : bool hugeData = curSize > SDMA_SEND_MAX_SIZE;
74 1 : return hugeData;
75 : }
76 :
77 1 : bool CollAllReduceMeshMidCountExecutor::IsSmallData(const u64 totalSize, [[maybe_unused]] const u64 curSize)
78 : {
79 1 : bool smallData = totalSize <= HCCL_SMALL_COUNT_128_KB;
80 1 : return smallData;
81 : }
82 :
83 1 : HcclResult CollAllReduceMeshMidCountExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
84 : {
85 1 : HCCL_CONFIG_INFO(
86 : HCCL_ALG, "[CollAllReduceMeshMidCountExecutor][KernelRun] userRank[%u] starts.", topoAttr_.userRank);
87 1 : std::vector<Slice> dataSegsSlice; // 数据分成ranksize份,每份的起始偏移和大小
88 :
89 1 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
90 1 : SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
91 :
92 1 : CHK_RET(ActiveSlaveStreams(param.stream));
93 :
94 1 : u64 reduceAttr = GetReduceAttr(execMem.inputMem, execMem.outputMem, param.DataDes.dataType, param.reduceType);
95 1 : HcomCollOpInfo opInfo
96 1 : = {"", execMem.inputPtr, execMem.outputPtr, execMem.count, param.DataDes.dataType, param.root, param.reduceType,
97 1 : 0};
98 :
99 1 : std::unique_ptr<AlgTemplateBase> level0TempAlg;
100 : level0TempAlg
101 1 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_REDUCE_LOCAL_REDUCE, dispatcher_);
102 1 : CHK_SMART_PTR_NULL(level0TempAlg);
103 1 : CHK_RET(level0TempAlg->Prepare(
104 : reduceAttr, algResResp_->slaveStreams, algResResp_->notifiesMain, algResResp_->notifiesAux,
105 : level0CommInfo.localRank, level0CommInfo.localRankSize, topoAttr_.userRank, &opInfo));
106 :
107 3 : CHK_RET(level0TempAlg->Prepare(
108 : execMem.outputMem, execMem.outputMem, execMem.outputMem, execMem.count, param.DataDes.dataType, param.stream,
109 : param.reduceType, LEVEL0_BRIDGE_RANK_ID, dataSegsSlice, 0));
110 1 : CHK_RET(level0TempAlg->RegisterProfiler(
111 : (level0CommInfo.localRankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + level0CommInfo.localRank, PROF_STAGE_2,
112 : HCCL_EXEC_STEP_NOT_SET, param.stream));
113 1 : CHK_RET(RunTemplate(level0TempAlg, level0CommInfo));
114 1 : HCCL_INFO("AllReduce mid count run success.");
115 :
116 1 : return HCCL_SUCCESS;
117 1 : }
118 :
119 : REGISTER_EXEC("AllReduceMeshMidCountLoopExecutor", AllReduceMeshMidCount, CollAllReduceMeshMidCountExecutor);
120 :
121 : } // namespace hccl
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