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_mesh_opbase_pipeline_executor.h"
12 :
13 : namespace hccl {
14 0 : CollAllGatherMeshOpbasePipelineExecutor::CollAllGatherMeshOpbasePipelineExecutor(
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 CollAllGatherMeshOpbasePipelineExecutor::CalcStreamNum(u32& streamNum)
22 : {
23 0 : u32 totalStreamNum = topoAttr_.deviceNumPerAggregation + 1U;
24 0 : streamNum = totalStreamNum - 1U;
25 0 : HCCL_INFO(
26 : "[CollAllGatherMeshOpbasePipelineExecutor][CalcStreamNum] tag[%s] streamNum[%u]", tag_.c_str(), streamNum);
27 0 : return HCCL_SUCCESS;
28 : }
29 :
30 0 : HcclResult CollAllGatherMeshOpbasePipelineExecutor::CalcCommInfo(std::vector<LevelNSubCommTransport>& opTransport)
31 : {
32 0 : TransportMemType inputType = TransportMemType::RESERVED;
33 0 : TransportMemType outputType = TransportMemType::RESERVED;
34 0 : CHK_RET(CalcTransportMemType(inputType, outputType));
35 0 : CHK_RET(CalcLevel0CommInfo(inputType, outputType, opTransport));
36 0 : CHK_RET(CalcLevel1CommInfo(inputType, outputType, opTransport));
37 0 : return HCCL_SUCCESS;
38 : }
39 :
40 : HcclResult
41 0 : CollAllGatherMeshOpbasePipelineExecutor::CalcTransportMemType(TransportMemType& inputType, TransportMemType& outputType)
42 : {
43 0 : inputType = TransportMemType::CCL_INPUT;
44 0 : outputType = TransportMemType::CCL_OUTPUT;
45 0 : HCCL_INFO(
46 : "[CollAllGatherMeshOpbasePipelineExecutor][CalcTransportMemType]"
47 : "tag[%s] inputType[%d], outputType[%d]",
48 : tag_.c_str(), inputType, outputType);
49 0 : return HCCL_SUCCESS;
50 : }
51 :
52 0 : HcclResult CollAllGatherMeshOpbasePipelineExecutor::CalcLevel0CommInfo(
53 : TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
54 : {
55 0 : CommParaInfo commParaInfo(COMM_LEVEL0, CommType::COMM_TAG_MESH);
56 0 : CHK_RET(CalcCommPlaneInfo(tag_, commParaInfo, opTransport[COMM_LEVEL0], inputType, outputType));
57 0 : return HCCL_SUCCESS;
58 0 : }
59 :
60 : // PipeLine模式下使用Ring算法
61 0 : HcclResult CollAllGatherMeshOpbasePipelineExecutor::CalcLevel1CommInfo(
62 : TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
63 : {
64 0 : CommParaInfo commParaInfo(COMM_LEVEL1, CommType::COMM_TAG_RING_INNER);
65 0 : CHK_RET(CalcCommPlaneInfo(tag_, commParaInfo, opTransport[COMM_LEVEL1], inputType, outputType));
66 0 : return HCCL_SUCCESS;
67 0 : }
68 :
69 0 : u64 CollAllGatherMeshOpbasePipelineExecutor::CalcLoopMaxCount(const u64 cclBuffSize, const u32 unitSize)
70 : {
71 0 : u64 maxCountPerLoop = (cclBuffSize - HCCL_MIN_SLICE_ALIGN_910B) / unitSize;
72 0 : return maxCountPerLoop;
73 : }
74 :
75 0 : bool CollAllGatherMeshOpbasePipelineExecutor::IsHugeData(const u64 curSize)
76 : {
77 0 : bool hugeData = curSize > RDMA_SEND_MAX_SIZE || curSize > SDMA_SEND_MAX_SIZE;
78 0 : return hugeData;
79 : }
80 :
81 0 : HcclResult CollAllGatherMeshOpbasePipelineExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
82 : {
83 0 : HCCL_CONFIG_INFO(
84 : HCCL_ALG, "[CollAllGatherMeshOpbasePipelineExecutor][KernelRun]AllGatherMeshOpbasePipelineExecutor begins.");
85 :
86 : // step 1 先获取 comm level0 \ comm level1 的value
87 0 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
88 0 : SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
89 0 : u32 commIndex = level0CommInfo.localRank;
90 0 : CHK_RET(CheckCommSize(COMM_LEVEL1, commIndex + 1));
91 0 : SubCommInfo level1CommInfo = GetSubCommInfo(COMM_LEVEL1, commIndex);
92 :
93 : // DMA消减场景,打包opInfo
94 0 : HcomCollOpInfo opInfo = {
95 0 : "", execMem.inputPtr, execMem.outputPtr, param.DataDes.count, param.DataDes.dataType, 0, HCCL_REDUCE_RESERVED,
96 0 : 0};
97 :
98 : std::unique_ptr<AlgTemplateBase> tempAlg
99 0 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_PIPELINE, dispatcher_);
100 0 : CHK_SMART_PTR_NULL(tempAlg);
101 0 : CHK_RET(tempAlg->Prepare(
102 : &opInfo, topoAttr_.userRank, execMem.count, execMem.inputMem, execMem.outputMem, level0CommInfo, level1CommInfo,
103 : const_cast<Stream&>(param.stream), algResResp_->slaveStreams, algResResp_->notifiesMain,
104 : algResResp_->notifiesAux));
105 0 : CHK_RET(tempAlg->RunAsync());
106 0 : return HCCL_SUCCESS;
107 0 : }
108 :
109 0 : HcclResult CollAllGatherMeshOpbasePipelineExecutor::Getlevel1CommRank(SubCommInfo& level1CommInfo)
110 : {
111 0 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
112 0 : SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
113 0 : u32 ringNum
114 0 : = (topoType_ == TopoType::TOPO_TYPE_8P_RING) ? LEVEL0_PLANE_NUM_IN_8PRING : LEVEL0_PLANE_NUM_IN_NPRING_SINGLE;
115 0 : u32 commIndex = (ringNum == LEVEL0_PLANE_NUM_IN_8PRING) ? topoAttr_.devicePhyId : level0CommInfo.localRank;
116 :
117 0 : CHK_RET(CheckCommSize(COMM_LEVEL1, commIndex + 1));
118 :
119 0 : level1CommInfo = GetSubCommInfo(COMM_LEVEL1, commIndex);
120 0 : HCCL_DEBUG("[CollAllGatherMeshOpbasePipelineExecutor]Getlevel1CommRank for level1CommInfo");
121 0 : return HCCL_SUCCESS;
122 0 : }
123 :
124 0 : HcclResult CollAllGatherMeshOpbasePipelineExecutor::SelectTempAlg(
125 : std::unique_ptr<AlgTemplateBase>& level1TempAlg, u32 level1RankSize)
126 : {
127 0 : if (level1RankSize > 1) {
128 : level1TempAlg
129 0 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_PIPELINE, dispatcher_);
130 0 : CHK_SMART_PTR_NULL(level1TempAlg);
131 0 : return HCCL_SUCCESS;
132 : }
133 0 : return HCCL_E_UNAVAIL;
134 : }
135 : REGISTER_EXEC("AllGatherMeshOpbasePipelineExecutor", AllGatherOpbasePipeline, CollAllGatherMeshOpbasePipelineExecutor);
136 :
137 : } // namespace hccl
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