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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_aiv_smallcount_executor.h"
12 :
13 : namespace hccl {
14 0 : CollReduceScatterVMeshAivSmallCountExecutor::CollReduceScatterVMeshAivSmallCountExecutor(
15 0 : const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
16 0 : : CollReduceScatterVExecutor(dispatcher, topoMatcher)
17 : {
18 0 : DMAReduceFlag_ = false;
19 0 : desc_.isAivMode = true;
20 0 : }
21 :
22 0 : HcclResult CollReduceScatterVMeshAivSmallCountExecutor::CalcCommInfo(std::vector<LevelNSubCommTransport>& opTransport)
23 : {
24 0 : TransportMemType inputType = TransportMemType::RESERVED;
25 0 : TransportMemType outputType = TransportMemType::RESERVED;
26 0 : CHK_RET(CalcTransportMemType(inputType, outputType));
27 0 : CHK_RET(CalcLevel0CommInfo(inputType, outputType, opTransport));
28 0 : return HCCL_SUCCESS;
29 : }
30 :
31 0 : HcclResult CollReduceScatterVMeshAivSmallCountExecutor::CalcTransportMemType(
32 : TransportMemType& inputType, TransportMemType& outputType)
33 : {
34 0 : inputType = TransportMemType::AIV_INPUT;
35 0 : outputType = TransportMemType::AIV_OUTPUT;
36 0 : HCCL_INFO(
37 : "[CollReduceScatterVMeshAivSmallCountExecutor][CalcTransportMemType] tag[%s] inputType[%d],"
38 : " outputType[%d].",
39 : tag_.c_str(), inputType, outputType);
40 0 : return HCCL_SUCCESS;
41 : }
42 :
43 0 : HcclResult CollReduceScatterVMeshAivSmallCountExecutor::CalcLevel0CommInfo(
44 : TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
45 : {
46 0 : CommParaInfo commParaLevel0(COMM_LEVEL0, CommType::COMM_TAG_MESH);
47 0 : commParaLevel0.meshSinglePlane = true;
48 0 : CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel0, opTransport[COMM_LEVEL0], inputType, outputType));
49 0 : return HCCL_SUCCESS;
50 0 : }
51 :
52 0 : HcclResult CollReduceScatterVMeshAivSmallCountExecutor::CalNumBlocks(
53 : u32& numBlocks, u32 rankSize, [[maybe_unused]] u64 dataSize, [[maybe_unused]] HcclCMDType cmdType)
54 : {
55 0 : numBlocks = rankSize; // 默认情况使用rankSize个AIV
56 0 : u32 bestNumBlocks = numBlocks;
57 :
58 0 : CHK_PRT_RET(
59 : numBlocks_ < numBlocks,
60 : HCCL_WARNING(
61 : "[CollReduceScatterVMeshAivSmallCountExecutor][CalNumBlocks]aivCore[%u] is invalid, at least need [%u].",
62 : numBlocks_, numBlocks),
63 : HCCL_E_PARA);
64 :
65 0 : HCCL_INFO(
66 : "[CollReduceScatterVMeshAivSmallCountExecutor][CalNumBlocks] numBlocks is set to [%u], limit[%u], "
67 : "recommanded[%u]",
68 : numBlocks, numBlocks_, bestNumBlocks);
69 0 : return HCCL_SUCCESS;
70 : }
71 :
72 0 : HcclResult CollReduceScatterVMeshAivSmallCountExecutor::Orchestrate(OpParam& param, AlgResourceResponse& algRes)
73 : {
74 0 : HcclUs startut = TIME_NOW();
75 0 : algResResp_ = &algRes;
76 :
77 0 : HcclResult ret = HCCL_SUCCESS;
78 0 : ExecMem execMem;
79 0 : execMem.inputPtr = param.inputPtr;
80 0 : execMem.outputPtr = param.outputPtr;
81 :
82 : // 单算子中/小数据量
83 0 : execMem.inputMem = algRes.aivInputMem;
84 0 : execMem.outputMem = algRes.aivOutputMem;
85 0 : ret = KernelRun(param, execMem);
86 :
87 0 : CHK_PRT_RET(
88 : ret != HCCL_SUCCESS,
89 : HCCL_ERROR(
90 : "[CollReduceScatterVMeshAivSmallCountExecutor][Orchestrate]errNo[0x%016llx] tag[%s] executor kernel "
91 : "run failed.",
92 : HCCL_ERROR_CODE(ret), param.tag.c_str()),
93 : ret);
94 :
95 0 : HCCL_INFO(
96 : "tag[%s], ReduceScatterV executor orchestrate success, take time [%lld]us.", param.tag.c_str(),
97 : DURATION_US(TIME_NOW() - startut));
98 0 : return HCCL_SUCCESS;
99 0 : }
100 :
101 0 : HcclResult CollReduceScatterVMeshAivSmallCountExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
102 : {
103 0 : HCCL_CONFIG_INFO(HCCL_ALG, "[CollReduceScatterVMeshAivSmallCountExecutor][KernelRun]ReduceScatterV aiv enter.");
104 :
105 0 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
106 0 : SubCommInfo outerCommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
107 :
108 : void* buffersIn[MAX_RANK_SIZE];
109 : void* buffersOut[MAX_RANK_SIZE];
110 :
111 0 : u32 localRank = outerCommInfo.localRank;
112 0 : u32 localRankSize = outerCommInfo.localRankSize;
113 0 : HCCL_DEBUG(
114 : "[CollReduceScatterVMeshAivSmallCountExecutor][KernelRun] userRank [%d] localRank [%d]", topoAttr_.userRank,
115 : localRank);
116 :
117 0 : ExtraArgs extraArgs;
118 0 : for (u32 i = 0; i < localRankSize; i++) {
119 0 : if (i != localRank) {
120 0 : CHK_RET(outerCommInfo.links[i]->GetRemoteMem(UserMemType::INPUT_MEM, &(buffersIn[i])));
121 0 : CHK_RET(outerCommInfo.links[i]->GetRemoteMem(UserMemType::OUTPUT_MEM, &(buffersOut[i])));
122 : } else {
123 0 : buffersIn[i] = execMem.inputMem.ptr();
124 0 : buffersOut[i] = execMem.outputMem.ptr();
125 : }
126 0 : extraArgs.sendCounts[i] = *(static_cast<const u64*>(param.VDataDes.counts) + i);
127 0 : extraArgs.sendDispls[i] = *(static_cast<const u64*>(param.VDataDes.displs) + i);
128 0 : extraArgs.maxCount = std::max(extraArgs.maxCount, extraArgs.sendCounts[i]);
129 0 : HCCL_INFO(
130 : "[CollReduceScatterVMeshAivSmallCountExecutor][KernelRun]rank[%u], sendCount[%llu], sendDispl[%llu]", i,
131 : extraArgs.sendCounts[i], extraArgs.sendDispls[i]);
132 : }
133 :
134 0 : bool isOpbase = (GetWorkflowMode() == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OP_BASE);
135 :
136 0 : AivOpArgs opArgs{
137 : HcclCMDType::HCCL_CMD_REDUCE_SCATTER_V,
138 0 : execMem.inputPtr,
139 0 : execMem.outputPtr,
140 0 : extraArgs.maxCount,
141 0 : param.VDataDes.dataType,
142 0 : param.reduceType,
143 : 0,
144 0 : isOpbase};
145 0 : AivTopoArgs topoArgs{localRank, localRankSize};
146 0 : topoArgs.identify = algoAttr_.identifier;
147 : u32 numBlocks;
148 0 : CHK_PRT_RET(
149 : CalNumBlocks(numBlocks, localRankSize) != HCCL_SUCCESS, HCCL_ERROR("[%s] CalNumBlocks failed", __func__),
150 : HCCL_E_PARA);
151 0 : numBlocks_ = numBlocks;
152 0 : AivResourceArgs resourceArgs{param.tag, param.stream.ptr(), buffersIn, buffersOut, execMem.inputMem.size(),
153 0 : numBlocks_, param.aivTag};
154 0 : AivAlgArgs algArgs{};
155 0 : algArgs.execTimeOut = topoMatcher_->GetExecTimeOutConfig();
156 0 : algArgs.execTimeOutSet = true;
157 0 : struct AivProfilingInfo aivProfilingInfo;
158 0 : aivProfilingInfo.counter = opCounter_;
159 :
160 0 : HcclResult ret = ExecuteKernelLaunch(opArgs, topoArgs, resourceArgs, algArgs, extraArgs, aivProfilingInfo);
161 0 : CHK_PRT_RET(
162 : ret != HCCL_SUCCESS,
163 : HCCL_ERROR(
164 : "[CollReduceScatterVMeshAivSmallCountExecutor][KernelRun]ReduceScatterV aiv failed, return[%d].", ret),
165 : ret);
166 :
167 0 : HCCL_INFO("[CollReduceScatterVMeshAivSmallCountExecutor][KernelRun]ReduceScatterV aiv run success.");
168 0 : return HCCL_SUCCESS;
169 0 : }
170 :
171 : REGISTER_EXEC(
172 : "ReduceScatterVMeshAivSmallCountExecutor", ReduceScatterVMeshAivSmallCount,
173 : CollReduceScatterVMeshAivSmallCountExecutor);
174 :
175 : } // namespace hccl
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