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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_all_gather_v_mesh_executor.h"
12 :
13 : #include <algorithm>
14 : #include <numeric>
15 :
16 : namespace hccl {
17 0 : CollAllGatherVMeshExecutor::CollAllGatherVMeshExecutor(
18 0 : const HcclDispatcher dispatcher, std::unique_ptr<TopoMatcher>& topoMatcher)
19 0 : : CollAllGatherVExecutor(dispatcher, topoMatcher)
20 : {
21 0 : DMAReduceFlag_ = (topoAttr_.moduleNum <= 1);
22 0 : }
23 :
24 0 : HcclResult CollAllGatherVMeshExecutor::CalcStreamNum(u32& streamNum)
25 : {
26 0 : u32 totalStreamNum = 0;
27 0 : if (topoAttr_.moduleNum > 1) {
28 0 : totalStreamNum = topoAttr_.deviceNumPerAggregation > 1U ? topoAttr_.deviceNumPerAggregation - 1U : 1U;
29 : } else {
30 0 : totalStreamNum = topoAttr_.deviceNumPerAggregation;
31 : }
32 0 : streamNum = totalStreamNum - 1U;
33 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][CalcStreamNum] tag[%s] streamNum[%u]", tag_.c_str(), streamNum);
34 0 : return HCCL_SUCCESS;
35 : }
36 :
37 0 : HcclResult CollAllGatherVMeshExecutor::CalcCommInfo(std::vector<LevelNSubCommTransport>& opTransport)
38 : {
39 0 : TransportMemType inputType = TransportMemType::RESERVED;
40 0 : TransportMemType outputType = TransportMemType::RESERVED;
41 0 : CHK_RET(CalcTransportMemType(inputType, outputType));
42 0 : CHK_RET(CalcLevel0CommInfo(inputType, outputType, opTransport));
43 0 : if (topoAttr_.moduleNum > 1) {
44 0 : CHK_RET(CalcLevel1CommInfo(inputType, outputType, opTransport));
45 : }
46 :
47 0 : return HCCL_SUCCESS;
48 : }
49 :
50 : HcclResult
51 0 : CollAllGatherVMeshExecutor::CalcTransportMemType(TransportMemType& inputType, TransportMemType& outputType) const
52 : {
53 0 : if (workflowMode_ == HcclWorkflowMode::HCCL_WORKFLOW_MODE_OP_BASE) {
54 0 : inputType = TransportMemType::CCL_INPUT;
55 0 : outputType = TransportMemType::CCL_OUTPUT;
56 : } else {
57 0 : inputType = TransportMemType::PARAM_INPUT;
58 0 : outputType = TransportMemType::PARAM_OUTPUT;
59 : }
60 0 : HCCL_INFO(
61 : "[CollAllGatherVMeshExecutor][CalcTransportMemType] tag[%s] inputType[%d], outputType[%d]", tag_.c_str(),
62 : inputType, outputType);
63 0 : return HCCL_SUCCESS;
64 : }
65 :
66 0 : HcclResult CollAllGatherVMeshExecutor::CalcLevel0CommInfo(
67 : TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
68 : {
69 0 : CommParaInfo commParaLevel0(COMM_LEVEL0, CommType::COMM_TAG_MESH);
70 0 : CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel0, opTransport[COMM_LEVEL0], inputType, outputType));
71 0 : return HCCL_SUCCESS;
72 0 : }
73 :
74 0 : HcclResult CollAllGatherVMeshExecutor::CalcLevel1CommInfo(
75 : TransportMemType inputType, TransportMemType outputType, std::vector<LevelNSubCommTransport>& opTransport)
76 : {
77 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][CalcLevel1CommInfo]tag[%s] start", tag_.c_str());
78 0 : CommParaInfo commParaLevel1(COMM_LEVEL1, CommType::COMM_TAG_MAX);
79 0 : if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_RING
80 0 : || (topoAttr_.isDiffDeviceModule && topoAttr_.serverNum == 1)) {
81 0 : commParaLevel1.commType = CommType::COMM_TAG_RING_INNER;
82 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][CalcLevel1CommInfo]tag[%s] Calc RingCommInfo", tag_.c_str());
83 0 : } else if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_NB) {
84 0 : commParaLevel1.commType = CommType::COMM_TAG_NONUNIFORM_BRUCK;
85 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][CalcLevel1CommInfo]tag[%s] Calc NBCommInfo", tag_.c_str());
86 : } else {
87 0 : commParaLevel1.commType = CommType::COMM_TAG_NONUNIFORM_HIERARCHICAL_RING;
88 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][CalcLevel1CommInfo]tag[%s] Calc NHRCommInfo", tag_.c_str());
89 : }
90 0 : commParaLevel1.forceRdma = false;
91 0 : CHK_RET(CalcCommPlaneInfo(tag_, commParaLevel1, opTransport[commParaLevel1.commPlane], inputType, outputType));
92 :
93 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][COMM_LEVEL1]tag[%s] Calc CommInfo Finish", tag_.c_str());
94 :
95 0 : return HCCL_SUCCESS;
96 0 : }
97 :
98 0 : u64 CollAllGatherVMeshExecutor::CalcLoopMaxCount(const u64 cclBuffSize, const u32 unitSize)
99 : {
100 : u64 maxCountPerLoop;
101 0 : if (topoAttr_.moduleNum > 1) {
102 0 : maxCountPerLoop = cclBuffSize / HCCL_MIN_SLICE_ALIGN * HCCL_MIN_SLICE_ALIGN / unitSize;
103 : } else {
104 : maxCountPerLoop
105 0 : = (cclBuffSize - HCCL_MIN_SLICE_ALIGN_910B) / HCCL_MIN_SLICE_ALIGN * HCCL_MIN_SLICE_ALIGN / unitSize;
106 : }
107 :
108 0 : return maxCountPerLoop;
109 : }
110 :
111 0 : bool CollAllGatherVMeshExecutor::IsHugeData(const u64 curSize)
112 : {
113 0 : bool hugeData = curSize * topoAttr_.userRankSize > RDMA_SEND_MAX_SIZE || curSize > SDMA_SEND_MAX_SIZE;
114 0 : return hugeData;
115 : }
116 :
117 0 : HcclResult CollAllGatherVMeshExecutor::RunLevel0(
118 : const OpParam& param, ExecMem& execMem, SubCommInfo& level0CommInfo, const SubCommInfo& level1CommInfo)
119 : {
120 0 : HCCL_CONFIG_INFO(HCCL_ALG, "[CollAllGatherVMeshExecutor][KernelRun] userRank[%u] starts.", topoAttr_.userRank);
121 0 : u32 perDataSize = SIZE_TABLE[param.VDataDes.dataType];
122 0 : const auto counts = static_cast<u64*>(param.VDataDes.counts);
123 0 : u32 serverIndex = level1CommInfo.localRank;
124 0 : u32 rankBaseOffset = serverIndex * level0CommInfo.localRankSize;
125 0 : u64 countBaseOffset = std::accumulate(counts, counts + rankBaseOffset, 0ULL);
126 : // level0的rank 0在整个通信域中的偏移
127 0 : u64 baseOffset = countBaseOffset * perDataSize;
128 : // allgatherv 计算slice,数据分成ranksize份,每份的起始偏移和大小
129 0 : std::vector<Slice> outputSlices;
130 0 : u64 outputMemSize = 0;
131 0 : for (u32 rank = rankBaseOffset; rank < rankBaseOffset + level0CommInfo.localRankSize; ++rank) {
132 0 : Slice userslice;
133 0 : userslice.offset = outputMemSize;
134 0 : userslice.size = counts[rank] * perDataSize;
135 0 : outputSlices.emplace_back(std::move(userslice));
136 0 : outputMemSize += userslice.size;
137 : }
138 :
139 0 : u64 inputMemSize = outputSlices[level0CommInfo.localRank].size;
140 0 : u64 level0Offset = outputSlices[level0CommInfo.localRank].offset;
141 0 : DeviceMem srcMem = execMem.inputMem.range(0, inputMemSize);
142 0 : DeviceMem dstMem = execMem.outputMem.range(baseOffset + level0Offset, inputMemSize);
143 0 : CHK_SMART_PTR_NULL(dstMem);
144 0 : Stream stream = param.stream;
145 : // 将数据从input内存拷贝到output内存的对应位置
146 0 : HcclResult ret = HcclD2DMemcpyAsync(dispatcher_, dstMem, srcMem, stream);
147 0 : CHK_PRT_RET(
148 : ret != HCCL_SUCCESS,
149 : HCCL_ERROR(
150 : "[CollAllGatherVMeshExecutor][KernelRun]all gatherV mesh memcpy Failed, Offset[%llu], Size[%llu].",
151 : level0Offset, inputMemSize),
152 : ret);
153 :
154 0 : CHK_RET(ActiveSlaveStreams(param.stream));
155 :
156 : // 抽取当前用于多环all gather 的output内存数据
157 0 : DeviceMem currentOutputMem = execMem.outputMem.range(baseOffset, outputMemSize);
158 0 : CHK_SMART_PTR_NULL(currentOutputMem);
159 :
160 : std::unique_ptr<AlgTemplateBase> level0TempAlg
161 0 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_MESH_ATOMIC, dispatcher_);
162 0 : CHK_SMART_PTR_NULL(level0TempAlg);
163 0 : CHK_RET(level0TempAlg->Prepare(
164 : algResResp_->slaveStreams, algResResp_->notifiesMain, algResResp_->notifiesAux, topoAttr_.userRank, nullptr,
165 : level0CommInfo.localRank, level0CommInfo.localRankSize));
166 0 : CHK_RET(level0TempAlg->Prepare(
167 : currentOutputMem, currentOutputMem, execMem.inputMem, execMem.count, param.VDataDes.dataType, param.stream,
168 : HCCL_REDUCE_RESERVED, LEVEL0_BRIDGE_RANK_ID, outputSlices, baseOffset));
169 0 : u32 rankSize = level0CommInfo.localRankSize;
170 0 : CHK_RET(level0TempAlg->RegisterProfiler(
171 : (rankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + level0CommInfo.localRank, PROF_STAGE_1, HCCL_EXEC_STEP_NOT_SET,
172 : param.stream));
173 0 : CHK_RET(RunTemplate(level0TempAlg, level0CommInfo));
174 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][RunLevel0] level 0 for A2 run success");
175 0 : return HCCL_SUCCESS;
176 0 : }
177 :
178 0 : HcclResult CollAllGatherVMeshExecutor::RunLevel1(
179 : const OpParam& param, ExecMem& execMem, const SubCommInfo& level0CommInfo, SubCommInfo& level1CommInfo) const
180 : {
181 0 : std::unique_ptr<AlgTemplateBase> level1TempAlg;
182 0 : if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_RING
183 0 : || (topoAttr_.isDiffDeviceModule && topoAttr_.serverNum == 1)) {
184 : // 1-单server-SDMA
185 : level1TempAlg
186 0 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_RING, dispatcher_);
187 0 : HCCL_INFO("allgatherv mesh: using ring algo inter-server.");
188 0 : } else if (algType_.algoLevel1 == AlgTypeLevel1::ALG_LEVEL1_NB) {
189 : level1TempAlg
190 0 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_NB, dispatcher_);
191 0 : HCCL_INFO("allgatherv mesh: using nonuniform-bruck algo inter-server.");
192 : } else {
193 : // 使用nhr作为兜底算法
194 : level1TempAlg
195 0 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_NHR, dispatcher_);
196 0 : level1TempAlg->CloseBarrier();
197 0 : HCCL_INFO("allgatherv mesh: using nhr algo inter-server.");
198 : }
199 0 : CHK_SMART_PTR_NULL(level1TempAlg);
200 :
201 0 : u32 perDataSize = SIZE_TABLE[param.VDataDes.dataType];
202 0 : const auto counts = static_cast<u64*>(param.VDataDes.counts);
203 : // allgatherv 计算slice,数据分成level1 ranksize份,每份的起始偏移和大小
204 0 : std::vector<Slice> outputSlices;
205 0 : u64 outputMemSize = 0;
206 0 : for (u32 rankLevel1 = 0; rankLevel1 < level1CommInfo.localRankSize; ++rankLevel1) {
207 0 : Slice userslice;
208 : // 计算偏移值
209 0 : u64 countLevel0 = std::accumulate(
210 0 : counts + rankLevel1 * level0CommInfo.localRankSize,
211 0 : counts + (rankLevel1 + 1) * level0CommInfo.localRankSize, 0ULL);
212 0 : userslice.offset = outputMemSize;
213 0 : userslice.size = countLevel0 * perDataSize;
214 0 : outputSlices.emplace_back(std::move(userslice));
215 0 : outputMemSize += userslice.size;
216 : }
217 :
218 : // 此处虽然带入inputMem作为scratch mem, 但inputMem 不能被使用
219 0 : CHK_RET(level1TempAlg->Prepare(
220 : execMem.outputMem, execMem.outputMem, execMem.inputMem,
221 : outputSlices[level1CommInfo.localRank].size / perDataSize, param.VDataDes.dataType, param.stream,
222 : HcclReduceOp::HCCL_REDUCE_RESERVED, INVALID_VALUE_RANKID, outputSlices, 0));
223 :
224 0 : u32 rankSize = level1CommInfo.localRankSize;
225 0 : CHK_RET(level1TempAlg->RegisterProfiler(
226 : (rankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + level1CommInfo.localRank, PROF_STAGE_2, HCCL_EXEC_STEP_NOT_SET,
227 : param.stream));
228 :
229 0 : CHK_RET(RunTemplate(level1TempAlg, level1CommInfo));
230 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][RunLevel1] level 1 for A2 run success");
231 :
232 0 : return HCCL_SUCCESS;
233 0 : }
234 :
235 0 : HcclResult CollAllGatherVMeshExecutor::RunSingleMesh(const OpParam& param, ExecMem& execMem)
236 : {
237 0 : HcclDataType dataType = HCCL_DATA_TYPE_RESERVED;
238 0 : dataType = param.VDataDes.dataType;
239 0 : const u32 unitSize = SIZE_TABLE[dataType];
240 :
241 0 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
242 0 : SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
243 0 : u32 rankSize = level0CommInfo.localRankSize;
244 :
245 : // DMA消减后仅使用ccl out通信,ccl out根据实际使用大小重新申请内存空间
246 0 : u64 inputMemSize = execMem.inputMem.size();
247 0 : u64 baseOffset = 0;
248 0 : DeviceMem curOutputMem = execMem.outputMem.range(baseOffset, inputMemSize);
249 0 : CHK_SMART_PTR_NULL(curOutputMem);
250 :
251 : // allgatherv 计算slice,数据分成ranksize份,每份的起始偏移和大小
252 0 : std::vector<Slice> outputSlices;
253 0 : const auto counts = static_cast<u64*>(param.VDataDes.counts);
254 0 : const auto displs = static_cast<u64*>(param.VDataDes.displs);
255 0 : for (u32 rank = 0; rank < rankSize; ++rank) {
256 0 : Slice userslice;
257 0 : userslice.offset = displs[rank] * unitSize;
258 0 : userslice.size = counts[rank] * unitSize;
259 0 : outputSlices.emplace_back(std::move(userslice));
260 : }
261 :
262 : // DMA消减场景,打包opInfo
263 0 : HcomCollOpInfo opInfo
264 0 : = {"", execMem.inputPtr, execMem.outputPtr, execMem.count, dataType, param.root, param.reduceType, 0};
265 :
266 : std::unique_ptr<AlgTemplateBase> tempAlg
267 0 : = AlgTemplateRegistry::Instance().GetAlgTemplate(TemplateType::TEMPLATE_ALL_GATHER_MESH_DIRECT, dispatcher_);
268 0 : CHK_SMART_PTR_NULL(tempAlg);
269 0 : CHK_RET(tempAlg->Prepare(
270 : algResResp_->slaveStreams, algResResp_->notifiesMain, algResResp_->notifiesAux, topoAttr_.userRank, &opInfo,
271 : level0CommInfo.localRank, level0CommInfo.localRankSize));
272 :
273 0 : CHK_RET(tempAlg->Prepare(
274 : curOutputMem, curOutputMem, execMem.inputMem, execMem.count, dataType, param.stream, HCCL_REDUCE_RESERVED,
275 : LEVEL0_BRIDGE_RANK_ID, outputSlices, baseOffset));
276 :
277 0 : CHK_RET(tempAlg->RegisterProfiler(
278 : (rankSize << PROF_RANKSIZE_OFFSET_OF_PLANEID) + level0CommInfo.localRank, PROF_STAGE_0, HCCL_EXEC_STEP_NOT_SET,
279 : param.stream));
280 :
281 0 : CHK_RET(RunTemplate(tempAlg, level0CommInfo));
282 :
283 0 : HCCL_INFO("[CollAllGatherVMeshExecutor][RunSingleMesh] single mesh for A2 run success");
284 0 : return HCCL_SUCCESS;
285 0 : }
286 :
287 0 : HcclResult CollAllGatherVMeshExecutor::KernelRun(const OpParam& param, ExecMem& execMem)
288 : {
289 0 : HCCL_CONFIG_INFO(HCCL_ALG, "[CollAllGatherVMeshExecutor][KernelRun] userRank[%u] starts.", topoAttr_.userRank);
290 0 : if (topoAttr_.moduleNum > 1) {
291 : // 获取子通信域信息
292 0 : CHK_RET(CheckCommSize(COMM_LEVEL0, COMM_INDEX_0 + 1));
293 0 : SubCommInfo level0CommInfo = GetSubCommInfo(COMM_LEVEL0, COMM_INDEX_0);
294 0 : CHK_RET(CheckCommSize(COMM_LEVEL1, level0CommInfo.localRank + 1));
295 0 : SubCommInfo level1CommInfo = GetSubCommInfo(COMM_LEVEL1, level0CommInfo.localRank);
296 :
297 0 : CHK_RET(RunLevel0(param, execMem, level0CommInfo, level1CommInfo));
298 0 : CHK_RET(RunLevel1(param, execMem, level0CommInfo, level1CommInfo));
299 0 : } else {
300 0 : CHK_RET(RunSingleMesh(param, execMem));
301 : }
302 :
303 0 : return HCCL_SUCCESS;
304 : }
305 :
306 0 : HcclResult CollAllGatherVMeshExecutor::CalcCurCountsAndCurDisplsMultiModule(
307 : const u64 maxTotalCount, std::vector<u64>& countsLeft, std::vector<u64>& displs, std::vector<u64>& curCounts,
308 : std::vector<u64>& curDispls, bool& finished) const
309 : {
310 0 : curCounts = std::vector<u64>(countsLeft.size(), 0);
311 0 : curDispls = std::vector<u64>(displs.size(), 0);
312 0 : auto allocatableCount = maxTotalCount;
313 :
314 0 : HCCL_DEBUG("CalcCurCountsAndCurDisplsMultiModule begin");
315 : // 先设置本轮的displacements,等于入参displs
316 0 : std::copy(displs.begin(), displs.end(), curDispls.begin());
317 :
318 : // 分配本轮的counts,如果CCLbuffer空间还没完全利用,则再进行分配
319 0 : while (allocatableCount > 0) {
320 : // 计算现在还有几个rank还有数据需要去通信(countsLeft不为0)
321 0 : const auto nonZeroCount = std::count_if(countsLeft.begin(), countsLeft.end(), [](const u64 count) {
322 0 : return count != 0;
323 : });
324 0 : if (nonZeroCount == 0) {
325 0 : finished = true;
326 0 : HCCL_INFO("[%s] Calc CurCountsAndCurDispls for multiModule finish", __func__);
327 0 : return HCCL_SUCCESS;
328 : }
329 : // 计算每个rank可以分到多少count
330 0 : const auto perRankCount = allocatableCount / nonZeroCount;
331 0 : if (perRankCount == 0) {
332 0 : break;
333 : }
334 0 : HCCL_DEBUG("[%s] Calc CurCountsAndCurDispls for perRankCount finish", __func__);
335 0 : for (auto i = 0U; i < countsLeft.size(); ++i) {
336 0 : const auto curCount = countsLeft[i] < perRankCount ? countsLeft[i] : perRankCount;
337 0 : allocatableCount -= curCount;
338 0 : curCounts[i] += curCount;
339 0 : countsLeft[i] -= curCount;
340 0 : displs[i] += curCount;
341 : }
342 : }
343 : // 特殊情况下,allocatableCount 刚好使用完毕时,不仅如此while循环,导致RunLoop额外循环一次
344 0 : const auto nonZeroCount = std::count_if(countsLeft.begin(), countsLeft.end(), [](const u64 count) {
345 0 : return count != 0;
346 : });
347 0 : if (nonZeroCount == 0) {
348 0 : finished = true;
349 : }
350 0 : HCCL_INFO("[%s] Calc CurCountsAndCurDispls for multiModule finish.", __func__);
351 0 : return HCCL_SUCCESS;
352 : }
353 :
354 0 : HcclResult CollAllGatherVMeshExecutor::CalcCurCountsAndCurDisplsSingleModule(
355 : const u64 maxTotalCount, std::vector<u64>& countsLeft, std::vector<u64>& displs, std::vector<u64>& curCounts,
356 : std::vector<u64>& curDispls, bool& finished) const
357 : {
358 0 : finished = true;
359 :
360 0 : curCounts.resize(countsLeft.size(), 0);
361 0 : curDispls.resize(displs.size(), 0);
362 :
363 : // 先设置本轮的displacements,等于入参displs
364 0 : std::copy(displs.begin(), displs.end(), curDispls.begin());
365 :
366 : // 分配好每个rank的counts
367 0 : for (auto i = 0U; i < countsLeft.size(); ++i) {
368 0 : const auto curCount = countsLeft[i] < maxTotalCount ? countsLeft[i] : maxTotalCount;
369 0 : curCounts[i] = curCount;
370 0 : countsLeft[i] -= curCount;
371 0 : displs[i] += curCount;
372 :
373 0 : if (countsLeft[i] != 0) {
374 0 : finished = false;
375 : }
376 : }
377 :
378 0 : return HCCL_SUCCESS;
379 : }
380 :
381 0 : HcclResult CollAllGatherVMeshExecutor::CalcCurCountsAndCurDispls(
382 : const u64 maxTotalCount, std::vector<u64>& countsLeft, std::vector<u64>& displs, std::vector<u64>& curCounts,
383 : std::vector<u64>& curDispls, bool& finished)
384 : {
385 0 : if (topoAttr_.moduleNum > 1) {
386 0 : CHK_RET(
387 : CalcCurCountsAndCurDisplsMultiModule(maxTotalCount, countsLeft, displs, curCounts, curDispls, finished));
388 : } else {
389 0 : CHK_RET(
390 : CalcCurCountsAndCurDisplsSingleModule(maxTotalCount, countsLeft, displs, curCounts, curDispls, finished));
391 : }
392 0 : return HCCL_SUCCESS;
393 : }
394 :
395 : REGISTER_EXEC("AllGatherVMeshExecutor", AllGatherVMesh, CollAllGatherVMeshExecutor);
396 : } // namespace hccl
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