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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_aiv_deter_small_executor.h"
12 :
13 : namespace hccl {
14 0 : CollReduceScatterAivDeterSmallExecutor::CollReduceScatterAivDeterSmallExecutor(
15 0 : const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
16 0 : : CollReduceScatterExecutor(dispatcher, topoMatcher)
17 : {
18 0 : DMAReduceFlag_ = false;
19 0 : desc_.isAivMode = true;
20 0 : }
21 :
22 0 : HcclResult CollReduceScatterAivDeterSmallExecutor::CalcStreamNum(u32& streamNum)
23 : {
24 0 : streamNum = 0; // AIV通信不需要申请从流
25 0 : HCCL_INFO(
26 : "[CollReduceScatterAivDeterSmallExecutor][CalcStreamNum] tag[%s] streamNum[%u].", tag_.c_str(), streamNum);
27 0 : return HCCL_SUCCESS;
28 : }
29 :
30 0 : HcclResult CollReduceScatterAivDeterSmallExecutor::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 : return HCCL_SUCCESS;
37 : }
38 :
39 : HcclResult
40 0 : CollReduceScatterAivDeterSmallExecutor::CalcTransportMemType(TransportMemType& inputType, TransportMemType& outputType)
41 : {
42 0 : inputType = TransportMemType::AIV_INPUT;
43 0 : outputType = TransportMemType::AIV_OUTPUT;
44 0 : HCCL_INFO(
45 : "[CollReduceScatterAivDeterSmallExecutor][CalcTransportMemType] tag[%s] inputType[%d], outputType[%d].",
46 : tag_.c_str(), inputType, outputType);
47 0 : return HCCL_SUCCESS;
48 : }
49 :
50 0 : HcclResult CollReduceScatterAivDeterSmallExecutor::CalcLevel0CommInfo(
51 : TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
52 : {
53 0 : CommParaInfo commParaLevel0(COMM_LEVEL0, CommType::COMM_TAG_MESH);
54 0 : commParaLevel0.meshSinglePlane = true;
55 0 : CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel0, opTransport[COMM_LEVEL0], inputType, outputType));
56 0 : return HCCL_SUCCESS;
57 0 : }
58 :
59 0 : HcclResult CollReduceScatterAivDeterSmallExecutor::CalNumBlocks(
60 : u32& numBlocks, u32 rankSize, u64 dataSize, [[maybe_unused]] HcclCMDType cmdType)
61 : {
62 0 : numBlocks = rankSize; // 默认情况使用rankSize个AIV
63 :
64 0 : numBlocks = NUM_BLOCKS_FACTOR_TWO * rankSize; // 小数据量使用2倍rankSize的AIV core
65 0 : if ((rankSize * dataSize) >= AIV_REDUCE_SCATTER_DETER_SMALL_SIZE) {
66 0 : numBlocks = NUM_BLOCKS_FACTOR_THREE * rankSize;
67 : }
68 :
69 0 : u32 bestNumBlocks = numBlocks;
70 0 : CHK_PRT_RET(
71 : numBlocks_ < rankSize,
72 : HCCL_WARNING(
73 : "[CollReduceScatterAivDeterSmallExecutor][CalNumBlocks]aivCore[%u] is invalid, at least need [%u].",
74 : numBlocks_, rankSize),
75 : HCCL_E_PARA);
76 0 : if (numBlocks_ < numBlocks) {
77 0 : numBlocks = numBlocks_ / rankSize * rankSize;
78 : }
79 :
80 0 : HCCL_INFO(
81 : "[CollReduceScatterAivDeterSmallExecutor][CalNumBlocks] numBlocks is set to [%u], limit[%u], recommanded[%u]",
82 : numBlocks, numBlocks_, bestNumBlocks);
83 0 : return HCCL_SUCCESS;
84 : }
85 :
86 0 : HcclResult CollReduceScatterAivDeterSmallExecutor::Orchestrate(OpParam& param, AlgResourceResponse& algRes)
87 : {
88 0 : HcclUs startut = TIME_NOW();
89 0 : tag_ = param.tag;
90 0 : algResResp_ = &algRes;
91 :
92 0 : HcclResult ret = HCCL_SUCCESS;
93 0 : ExecMem execMem;
94 0 : execMem.count = param.DataDes.count;
95 0 : execMem.inputPtr = param.inputPtr;
96 0 : execMem.outputPtr = param.outputPtr;
97 0 : execMem.inputMem = algRes.aivInputMem;
98 0 : execMem.outputMem = algRes.aivOutputMem;
99 :
100 0 : ret = KernelRun(param, execMem);
101 0 : CHK_PRT_RET(
102 : ret != HCCL_SUCCESS,
103 : HCCL_ERROR(
104 : "[CollReduceScatterAivDeterSmallExecutor][Orchestrate]errNo[0x%016llx] tag[%s] executor kernel run failed",
105 : HCCL_ERROR_CODE(ret), param.tag.c_str()),
106 : ret);
107 :
108 0 : HCCL_INFO(
109 : "tag[%s], ReduceScatter executor orchestrate success, take time [%lld]us", param.tag.c_str(),
110 : DURATION_US(TIME_NOW() - startut));
111 0 : return HCCL_SUCCESS;
112 0 : }
113 :
114 0 : HcclResult CollReduceScatterAivDeterSmallExecutor::GetAivExecParam(
115 : const OpParam& param, AlgResourceResponse& algRes, AivSuperKernelArgs& args)
116 : {
117 0 : HcclUs startut = TIME_NOW();
118 0 : tag_ = param.tag;
119 0 : algResResp_ = &algRes;
120 :
121 0 : ExecMem execMem;
122 0 : execMem.count = param.DataDes.count;
123 0 : execMem.inputPtr = param.inputPtr;
124 0 : execMem.outputPtr = param.outputPtr;
125 :
126 : // 单算子大数据量
127 0 : execMem.inputMem = algRes.paramInputMem;
128 0 : execMem.outputMem = algRes.aivOutputMem;
129 :
130 0 : SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
131 :
132 0 : u32 localRank = level0CommInfo.localRank;
133 0 : u32 localRankSize = level0CommInfo.localRankSize;
134 0 : HCCL_DEBUG(
135 : "[CollReduceScatterAivDeterSmallExecutor][GetAivExecParam] userRank [%d] localRank [%d]", topoAttr_.userRank,
136 : localRank);
137 :
138 0 : for (u32 i = 0; i < localRankSize; i++) {
139 0 : if (i != localRank) {
140 0 : CHK_RET(level0CommInfo.links[i]->GetRemoteMem(UserMemType::INPUT_MEM, &(args.buffersIn[i])));
141 0 : CHK_RET(level0CommInfo.links[i]->GetRemoteMem(UserMemType::OUTPUT_MEM, &(args.buffersOut[i])));
142 : } else {
143 0 : args.buffersIn[i] = execMem.inputMem.ptr();
144 0 : args.buffersOut[i] = execMem.outputMem.ptr();
145 : }
146 : }
147 :
148 0 : HCCL_INFO(
149 : "SPK, buffersIn [%p] [%p] [%p] [%p]"
150 : "buffersOut [%p] [%p] [%p] [%p]",
151 : args.buffersIn[0], args.buffersIn[1], args.buffersIn[2], args.buffersIn[3], args.buffersOut[0],
152 : args.buffersOut[1], args.buffersOut[2], args.buffersOut[3]);
153 0 : args.rank = localRank;
154 0 : args.rankSize = localRankSize;
155 0 : args.len = execMem.count;
156 0 : args.dataType = param.DataDes.dataType;
157 0 : args.unitSize = SIZE_TABLE[param.DataDes.dataType];
158 0 : args.reduceOp = param.reduceType;
159 0 : args.devType = static_cast<u32>(topoAttr_.deviceType);
160 0 : HCCL_INFO(
161 : "SPK [CollReduceScatterAivDeterSmallExecutor][GetAivExecParam], rank[%llu], rankSize[%llu], "
162 : "len[%llu],datatype[%llu], op[%llu]",
163 : args.rank, args.rankSize, args.len, args.dataType, args.reduceOp);
164 :
165 0 : HCCL_INFO(
166 : "tag[%s], ReduceScatter executor getalgexecparam success, take time [%lld]us.", param.tag.c_str(),
167 : DURATION_US(TIME_NOW() - startut));
168 0 : return HCCL_SUCCESS;
169 0 : }
170 :
171 0 : HcclResult CollReduceScatterAivDeterSmallExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
172 : {
173 0 : HCCL_INFO("[CollReduceScatterAivDeterSmallExecutor][KernelRun]ReduceScatter aiv enter.");
174 :
175 0 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
176 0 : SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
177 :
178 : void* buffersIn[MAX_RANK_SIZE];
179 : void* buffersOut[MAX_RANK_SIZE];
180 :
181 0 : u32 localRank = level0CommInfo.localRank;
182 0 : u32 localRankSize = level0CommInfo.localRankSize;
183 0 : HCCL_DEBUG(
184 : "[CollReduceScatterAivDeterSmallExecutor][KernelRun] userRank [%u] localRank [%u]", topoAttr_.userRank,
185 : localRank);
186 :
187 0 : for (u32 i = 0; i < localRankSize; i++) {
188 0 : if (i != localRank) {
189 0 : CHK_RET(level0CommInfo.links[i]->GetRemoteMem(UserMemType::INPUT_MEM, &(buffersIn[i])));
190 0 : CHK_RET(level0CommInfo.links[i]->GetRemoteMem(UserMemType::OUTPUT_MEM, &(buffersOut[i])));
191 : } else {
192 0 : buffersIn[i] = execMem.inputMem.ptr();
193 0 : buffersOut[i] = execMem.outputMem.ptr();
194 : }
195 : }
196 :
197 0 : bool isOpbase = (workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OP_BASE);
198 0 : AivOpArgs opArgs{
199 : HcclCMDType::HCCL_CMD_REDUCE_SCATTER,
200 0 : execMem.inputPtr,
201 0 : execMem.outputPtr,
202 0 : execMem.count,
203 0 : param.DataDes.dataType,
204 0 : param.reduceType,
205 : 0,
206 0 : isOpbase};
207 0 : AivTopoArgs topoArgs{localRank, localRankSize, MAX_RANK_SIZE, 0, 1, topoAttr_.deviceType};
208 0 : topoArgs.identify = algoAttr_.identifier;
209 :
210 0 : u64 dataSize = SIZE_TABLE[param.DataDes.dataType] * execMem.count;
211 : u32 numBlocks;
212 0 : CHK_PRT_RET(
213 : CalNumBlocks(numBlocks, localRankSize, dataSize) != HCCL_SUCCESS,
214 : HCCL_ERROR("[%s] CalNumBlocks failed", __func__), HCCL_E_PARA);
215 0 : numBlocks_ = numBlocks;
216 0 : AivResourceArgs resourceArgs{param.tag, param.stream.ptr(), buffersIn, buffersOut, execMem.inputMem.size(),
217 0 : numBlocks_, param.aivTag};
218 0 : AivAlgArgs algArgs{};
219 0 : algArgs.deterministic = 1;
220 0 : algArgs.execTimeOut = topoMatcher_->GetExecTimeOutConfig();
221 0 : algArgs.execTimeOutSet = true;
222 0 : struct AivProfilingInfo aivProfilingInfo;
223 0 : aivProfilingInfo.counter = opCounter_;
224 0 : HCCL_INFO(
225 : "[CollReduceScatterAivDeterSmallExecutor][KernelRun]ReduceScatter bufferin[%d] bufferout[%d]",
226 : execMem.inputMem.size(), execMem.outputMem.size());
227 :
228 0 : HcclResult ret = ExecuteKernelLaunch(opArgs, topoArgs, resourceArgs, algArgs, aivProfilingInfo);
229 :
230 0 : CHK_PRT_RET(
231 : ret != HCCL_SUCCESS,
232 : HCCL_ERROR("[CollReduceScatterAivDeterSmallExecutor][KernelRun]ReduceScatter aiv failed, return[%d]", ret),
233 : ret);
234 :
235 0 : ExtraArgs extraArgs;
236 0 : CHK_RET(SetOpCache(opArgs, topoArgs, resourceArgs, algArgs, extraArgs, aivProfilingInfo, false));
237 :
238 0 : HCCL_INFO("[CollReduceScatterAivDeterSmallExecutor][KernelRun]ReduceScatter aiv run success.");
239 0 : return HCCL_SUCCESS;
240 0 : }
241 :
242 : REGISTER_EXEC("ReduceScatterAivDeterSmallExecutor", ReduceScatterAivDeterSmall, CollReduceScatterAivDeterSmallExecutor);
243 :
244 : } // namespace hccl
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