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_hccs_sio_executor.h"
12 :
13 : namespace hccl {
14 0 : CollAllGatherHccsSioExecutor::CollAllGatherHccsSioExecutor(
15 0 : const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
16 0 : : CollAllGatherExecutor(dispatcher, topoMatcher)
17 : {
18 0 : desc_.isZeroCopy = false;
19 0 : DMAReduceFlag_ = true;
20 0 : }
21 :
22 0 : HcclResult CollAllGatherHccsSioExecutor::CalcStreamNum(u32& streamNum)
23 : {
24 0 : u32 totalStreamNum = topoAttr_.deviceNumPerAggregation + 1U;
25 : // 本地拷贝两条流并发,跨片两条流并发
26 : static u32 MULTIPLIER = 2;
27 0 : streamNum = MULTIPLIER * (totalStreamNum - 1);
28 0 : HCCL_INFO("[CollAllGatherHccsSioExecutor][CalcStreamNum] tag[%s] streamNum[%u]", tag_.c_str(), streamNum);
29 :
30 0 : return HCCL_SUCCESS;
31 : }
32 :
33 0 : u64 CollAllGatherHccsSioExecutor::CalcLoopMaxCount(const u64 cclBuffSize, const u32 unitSize)
34 : {
35 : // 中转内存单次最多能够接受的output count
36 0 : u64 maxCountPerLoop = cclBuffSize / HCCL_MIN_SLICE_ALIGN * HCCL_MIN_SLICE_ALIGN / unitSize;
37 0 : HCCL_INFO(
38 : "[CollAllGatherHccsSioExecutor][CalcLoopMaxCount]"
39 : "using default maxCountPerLoop[%llu] as CCLBuffSize / unitSize.",
40 : maxCountPerLoop);
41 0 : return maxCountPerLoop;
42 : }
43 :
44 0 : HcclResult CollAllGatherHccsSioExecutor::CalcCommInfo(std::vector<LevelNSubCommTransport>& opTransport)
45 : {
46 0 : TransportMemType inputType = TransportMemType::RESERVED;
47 0 : TransportMemType outputType = TransportMemType::RESERVED;
48 0 : CHK_RET(CalcTransportMemType(inputType, outputType));
49 0 : CHK_RET(CalcLevel0CommInfo(inputType, outputType, opTransport));
50 0 : return HCCL_SUCCESS;
51 : }
52 :
53 0 : HcclResult CollAllGatherHccsSioExecutor::CalcLevel0CommInfo(
54 : TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
55 : {
56 0 : CommParaInfo commParaLevel0(COMM_LEVEL0, CommType::COMM_TAG_HCCS_PLUS_SIO); // 新建通信平面
57 0 : CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel0, opTransport[COMM_LEVEL0], inputType, outputType));
58 :
59 0 : LevelNSubCommTransport& commTransportLevel0 = opTransport[COMM_LEVEL0];
60 0 : for (u32 subCommIndex = 0; subCommIndex < commTransportLevel0.size(); subCommIndex++) {
61 0 : for (auto& transportRequest :
62 0 : commTransportLevel0[subCommIndex].transportRequests) { // 两个transport分别设置ishccs为false、true
63 : // 根据子通信索引设置isHccs的值
64 0 : transportRequest.linkType = (subCommIndex == 0) ? TransportLinkType::SIO : TransportLinkType::HCCS;
65 0 : HCCL_INFO(
66 : "[CollAllGatherHccsSioExecutor][CalcLevel0CommInfo] set extral notifyNum[%u]",
67 : transportRequest.notifyNum);
68 : }
69 : }
70 0 : return HCCL_SUCCESS;
71 0 : }
72 :
73 0 : HcclResult CollAllGatherHccsSioExecutor::CalcTransportMemType(TransportMemType& inputType, TransportMemType& outputType)
74 : {
75 0 : if (workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OP_BASE) {
76 0 : inputType = TransportMemType::CCL_INPUT;
77 0 : outputType = TransportMemType::CCL_OUTPUT;
78 : } else {
79 0 : inputType = TransportMemType::PARAM_INPUT;
80 0 : outputType = TransportMemType::PARAM_OUTPUT;
81 : }
82 :
83 0 : HCCL_INFO(
84 : "[CollAllGatherHccsSioExecutor][CalcTransportMemType]"
85 : "tag[%s] inputType[%d], outputType[%d]",
86 : tag_.c_str(), inputType, outputType);
87 0 : return HCCL_SUCCESS;
88 : }
89 :
90 0 : HcclResult CollAllGatherHccsSioExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
91 : {
92 0 : HCCL_CONFIG_INFO(HCCL_ALG, "[%s] The AllGatherHccsSioExecutor starts.", __func__);
93 0 : HcomCollOpInfo opInfo = {"",
94 0 : execMem.inputPtr,
95 0 : execMem.outputPtr,
96 0 : param.DataDes.count,
97 0 : param.DataDes.dataType,
98 0 : param.root,
99 0 : param.reduceType,
100 0 : 0};
101 :
102 : // step 1 先获取 comm inner \ comm outer 的value
103 0 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
104 0 : SubCommInfo outerCommInfoHccs = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
105 0 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_1 + 1));
106 0 : SubCommInfo outerCommInfoSio = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_1);
107 :
108 : // 执行
109 : std::unique_ptr<AlgTemplateBase> tempAlg
110 0 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_HCCS_SIO, dispatcher_);
111 0 : HCCL_CONFIG_INFO(HCCL_ALG, "[%s] Run TEMPLATE_ALL_GATHER_HCCS_SIO in COMM_LEVEL0", __func__);
112 0 : CHK_SMART_PTR_NULL(tempAlg);
113 :
114 0 : CHK_RET(tempAlg->Prepare(
115 : outerCommInfoHccs, outerCommInfoSio, execMem.inputMem, execMem.outputMem, execMem.count, param.DataDes.dataType,
116 : param.stream, algResResp_->slaveStreams, algResResp_->notifiesMain, algResResp_->notifiesAux,
117 : topoAttr_.userRank, &opInfo));
118 :
119 0 : CHK_RET(tempAlg->RegisterProfiler(
120 : (outerCommInfoHccs.localRankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + outerCommInfoHccs.localRank,
121 : PROF_STAGE_1, HCCL_EXEC_STEP_NOT_SET, param.stream));
122 :
123 0 : CHK_RET(RunTemplate(tempAlg, outerCommInfoHccs));
124 :
125 0 : HCCL_INFO("[CollAllGatherHccsSioExecutor][KernelRun] AllGatherHccsSioExecutor ends.");
126 :
127 0 : return HCCL_SUCCESS;
128 0 : }
129 :
130 : REGISTER_EXEC("AllGatherHccsSioExecutor", AllGatherHccsSio, CollAllGatherHccsSioExecutor);
131 :
132 : } // namespace hccl
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