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