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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 "ccu_context_broadcast_nhr1d_mem2mem.h"
12 :
13 : namespace Hccl {
14 :
15 : constexpr uint16_t TOKEN_XN_ID = 2;
16 : constexpr uint16_t OUTPUT_XN_ID = 1;
17 : constexpr uint16_t RANK_NUM_PER_CKE = 16; // 本rank给远端置位时应当写的CKE，16个对端一个CKE
18 : constexpr uint16_t CKE_IDX_0 = 0; // 后同步
19 : constexpr uint16_t CKE_IDX_1 = 1; // 前同步addr
20 : constexpr uint16_t CKE_IDX_2 = 2; // 前同步token
21 : constexpr uint16_t CKE_IDX_3 = 3; // NHR step同步信号0，用于RS前同步，AG后同步
22 : constexpr uint16_t CKE_IDX_4 = 4; // NHR step同步信号1，用于RS后同步
23 : constexpr uint16_t FST_AXIS_ID = 0;
24 : constexpr uint16_t SEC_AXIS_ID = 1;
25 :
26 0 : CcuContextBroadcastNHRMem2Mem1D::CcuContextBroadcastNHRMem2Mem1D(
27 0 : const CcuCtxArg& arg, const std::vector<CcuTransport*>& transports, const CcuTransportGroup& group)
28 0 : : CcuContextAlgBase(arg, transports, group)
29 : {
30 0 : const CcuCtxArgBroadcastNHRMem2Mem1D* ctxArg = dynamic_cast<const CcuCtxArgBroadcastNHRMem2Mem1D*>(&arg);
31 0 : rankId_ = ctxArg->rankId_;
32 0 : axisId_ = ctxArg->axisId_;
33 0 : axisSize_ = ctxArg->axisSize_;
34 0 : dimSize_ = ctxArg->dimSize_[0];
35 0 : localAxisSignalName_ = "CcuContextBroadcastNHR1DDieSync_" + std::to_string(axisId_);
36 0 : anotherAxisSignalName_ = "CcuContextBroadcastNHR1DDieSync_" + std::to_string(1 - axisId_);
37 0 : stepInfoVector_ = ctxArg->stepInfoVector_;
38 0 : indexMap_ = ctxArg->indexMap_;
39 0 : localSize_ = indexMap_.size();
40 0 : myRankIdx_ = indexMap_.size();
41 0 : dataType_ = ctxArg->op_.dataType;
42 0 : signalNum_ = (dimSize_ + RANK_NUM_PER_CKE - 1) / RANK_NUM_PER_CKE; // 每个CKE有16个bit
43 0 : HCCL_INFO(
44 : "[CcuContextBroadcastNHRMem2Mem1D] CtxArg: rankId_[%u], axisId_[%u], axisSize_[%u], dimSize_[%u], "
45 : "localSize_[%u], "
46 : "signalNum_[%u], dataType[%s]",
47 : rankId_, axisId_, axisSize_, dimSize_, localSize_, signalNum_, dataType_.Describe().c_str());
48 0 : }
49 :
50 0 : void CcuContextBroadcastNHRMem2Mem1D::InitResources()
51 : {
52 0 : die0Size_ = CreateVariable();
53 0 : die1Size_ = CreateVariable();
54 0 : die0SliceSize_ = CreateVariable();
55 0 : die1SliceSize_ = CreateVariable();
56 0 : die0LastSliceSize_ = CreateVariable();
57 0 : die1LastSliceSize_ = CreateVariable();
58 0 : localAxisSignal_ = CreateMaskSignal();
59 0 : localSignal_ = CreateMaskSignal();
60 :
61 0 : if (axisSize_ > 1) {
62 0 : anotherAxisSignal_ = CreateMaskSignal();
63 :
64 0 : ExportMaskSignal(localAxisSignal_, localAxisSignalName_);
65 0 : anotherAxisSignal_ = ImportMaskSignal(anotherAxisSignalName_);
66 : }
67 :
68 0 : input_ = CreateVariable();
69 0 : for (uint32_t transportIdx = 0; transportIdx < localSize_; transportIdx++) {
70 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] MyRank[%u], TransportId[%u]", rankId_, transportIdx);
71 0 : CHK_PRT_RET(
72 : transports[transportIdx] == nullptr,
73 : HCCL_ERROR("[CcuContextBroadcastNHRMem2Mem1D] Algorithm transport ptr is null"), );
74 0 : output_.push_back(
75 0 : CreateVariable((*transports[transportIdx]), OUTPUT_XN_ID)); // 获取transport中id=1的Var来传递output
76 0 : token_.push_back(CreateVariable((*transports[transportIdx]), TOKEN_XN_ID));
77 : }
78 0 : output_.push_back(CreateVariable());
79 0 : token_.push_back(CreateVariable());
80 :
81 0 : srcMem_ = CreateMemory();
82 0 : dstMem_ = CreateMemory();
83 :
84 0 : CcuRep::Variable tmpSliceOffset = CreateVariable();
85 0 : tmpSliceOffset = 0;
86 :
87 0 : for (u64 i = 0; i < dimSize_; i++) {
88 0 : sliceOffset_.push_back(CreateVariable());
89 0 : sliceOffset_[i] = tmpSliceOffset;
90 0 : tmpSliceOffset += axisId_ == 0 ? die0SliceSize_ : die1SliceSize_;
91 : }
92 :
93 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] InitResources finished");
94 0 : }
95 :
96 0 : void CcuContextBroadcastNHRMem2Mem1D::LoadArgs()
97 : {
98 0 : Load(input_);
99 0 : Load(output_[myRankIdx_]);
100 0 : Load(token_[myRankIdx_]);
101 0 : Load(die0Size_);
102 0 : Load(die1Size_);
103 0 : Load(die0SliceSize_);
104 0 : Load(die1SliceSize_);
105 0 : Load(die0LastSliceSize_);
106 0 : Load(die1LastSliceSize_);
107 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] LoadArgs run finished");
108 0 : }
109 :
110 0 : void CcuContextBroadcastNHRMem2Mem1D::AxisSync(uint32_t signalIndex)
111 : {
112 0 : const uint32_t DIE_NUM = 2;
113 0 : if (signalIndex > 1) {
114 0 : THROW<InvalidParamsException>(
115 0 : StringFormat("[CcuContextBroadcastNHRMem2Mem1D] Unexpected SignalInex[%u]", signalIndex));
116 : }
117 0 : LocalCtxPost(anotherAxisSignal_, 1 << (axisId_ + signalIndex * DIE_NUM));
118 0 : LocalWait(localAxisSignal_, 1 << (1 - axisId_ + signalIndex * DIE_NUM));
119 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] AxisSync run finished");
120 0 : return;
121 : }
122 :
123 0 : void CcuContextBroadcastNHRMem2Mem1D::PreSync()
124 : {
125 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] PreSync start");
126 0 : uint16_t selfSignalId = rankId_ / RANK_NUM_PER_CKE;
127 0 : uint16_t selfBit = 1 << (rankId_ % RANK_NUM_PER_CKE);
128 0 : for (auto t : transports) {
129 0 : WriteVariableWithSignal(*t, output_[localSize_], OUTPUT_XN_ID, selfSignalId + signalNum_ * CKE_IDX_1, selfBit);
130 0 : WriteVariableWithSignal(*t, token_[localSize_], TOKEN_XN_ID, selfSignalId + signalNum_ * CKE_IDX_2, selfBit);
131 : }
132 0 : std::vector<uint16_t> waitBitVector(signalNum_, 0);
133 0 : for (auto& pair : indexMap_) {
134 0 : uint16_t pairSignalId = pair.first / RANK_NUM_PER_CKE;
135 0 : uint16_t pairBit = 1 << (pair.first % RANK_NUM_PER_CKE);
136 0 : waitBitVector[pairSignalId] = waitBitVector[pairSignalId] | pairBit;
137 : }
138 0 : for (uint16_t sId = 0; sId < waitBitVector.size(); sId++) {
139 0 : GroupWait(*transportGroup, sId + signalNum_ * CKE_IDX_1, waitBitVector[sId]);
140 0 : GroupWait(*transportGroup, sId + signalNum_ * CKE_IDX_2, waitBitVector[sId]);
141 : }
142 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] PreSync end");
143 0 : }
144 :
145 0 : void CcuContextBroadcastNHRMem2Mem1D::PostSync()
146 : {
147 0 : uint16_t selfSignalId = rankId_ / RANK_NUM_PER_CKE;
148 0 : uint16_t selfBit = 1 << (rankId_ % RANK_NUM_PER_CKE);
149 0 : for (auto& t : transports) {
150 0 : RemotePost(*t, selfSignalId + signalNum_ * CKE_IDX_0, selfBit);
151 : }
152 0 : std::vector<uint16_t> waitBitVector(signalNum_, 0);
153 0 : for (auto& pair : indexMap_) {
154 0 : uint16_t pairSignalId = pair.first / RANK_NUM_PER_CKE;
155 0 : uint16_t pairBit = 1 << (pair.first % RANK_NUM_PER_CKE);
156 0 : waitBitVector[pairSignalId] = waitBitVector[pairSignalId] | pairBit;
157 : }
158 0 : for (uint32_t sId = 0; sId < signalNum_; sId++) {
159 0 : GroupWait(*transportGroup, sId + signalNum_ * CKE_IDX_0, waitBitVector[sId]);
160 : }
161 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] PostSync run finished");
162 0 : }
163 :
164 0 : void CcuContextBroadcastNHRMem2Mem1D::DoScatterNHR()
165 : {
166 0 : const uint32_t NHR_NUM = 2;
167 0 : for (u64 i = 0; i < stepInfoVector_.size() / NHR_NUM; i++) {
168 0 : const NHRStepInfo& nhrStepInfo = stepInfoVector_[i];
169 0 : DoScatterNHRSingleStep(nhrStepInfo);
170 : }
171 0 : }
172 :
173 0 : void CcuContextBroadcastNHRMem2Mem1D::DoScatterNHRSingleStep(const NHRStepInfo& nhrStepInfo)
174 : {
175 0 : const std::vector<u32>& sendSliceIdxList = nhrStepInfo.txSliceIdxs;
176 0 : const std::vector<u32>& recvSliceIdxList = nhrStepInfo.rxSliceIdxs;
177 : // 只需要发
178 0 : if (sendSliceIdxList.size() != 0) {
179 0 : u32& toRankIdx = indexMap_[nhrStepInfo.toRank];
180 0 : u32 sendSliceIdx = 0;
181 0 : CcuTransport* sendTransport = transports[toRankIdx];
182 0 : srcMem_.token = token_[myRankIdx_];
183 0 : dstMem_.token = token_[toRankIdx];
184 :
185 0 : uint16_t selfSignalId = rankId_ / RANK_NUM_PER_CKE;
186 0 : uint16_t selfBit = 1 << (rankId_ % RANK_NUM_PER_CKE);
187 :
188 0 : for (u32 i = 0; i < sendSliceIdxList.size(); i++) {
189 0 : sendSliceIdx = sendSliceIdxList[i];
190 :
191 0 : if (i != 0) {
192 0 : if (i % RANK_NUM_PER_CKE == 0) {
193 0 : LocalWait(localSignal_, (1 << RANK_NUM_PER_CKE) - 1);
194 : }
195 : }
196 :
197 0 : if (nhrStepInfo.step == 0) {
198 : // 只有第0步的源数据从input中取
199 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] nhrStepInfo 0.");
200 0 : srcMem_.addr = input_;
201 0 : srcMem_.addr += sliceOffset_[sendSliceIdx];
202 : } else {
203 0 : srcMem_.addr = output_[myRankIdx_];
204 0 : srcMem_.addr += sliceOffset_[sendSliceIdx];
205 : }
206 :
207 0 : dstMem_.addr = output_[toRankIdx];
208 0 : dstMem_.addr += sliceOffset_[sendSliceIdx];
209 :
210 0 : DoSendRecvSlice(nhrStepInfo.toRank, srcMem_, dstMem_, sendSliceIdx, i % RANK_NUM_PER_CKE);
211 : }
212 :
213 0 : LocalWait(localSignal_, (1 << (sendSliceIdxList.size() % RANK_NUM_PER_CKE)) - 1);
214 :
215 : // 通知toRank数据写入完毕
216 0 : RemotePost(*sendTransport, selfSignalId + signalNum_ * CKE_IDX_4, selfBit, true);
217 : }
218 :
219 : // 只需要收
220 0 : if (recvSliceIdxList.size() != 0) {
221 0 : u32& fromRankIdx = indexMap_[nhrStepInfo.fromRank];
222 0 : CcuTransport* recvTransport = transports[fromRankIdx];
223 :
224 0 : uint16_t recvSignalId = nhrStepInfo.fromRank / RANK_NUM_PER_CKE;
225 0 : uint16_t recvBit = 1 << (nhrStepInfo.fromRank % RANK_NUM_PER_CKE);
226 0 : RemoteWait(*recvTransport, recvSignalId + signalNum_ * CKE_IDX_4, recvBit);
227 : }
228 0 : }
229 :
230 0 : void CcuContextBroadcastNHRMem2Mem1D::DoSendRecvSlice(
231 : const u32& toRank, CcuRep::Memory& src, CcuRep::Memory& dst, const u32& sendSliceIdx, u32 signalIndex)
232 : {
233 0 : CcuTransport* sendTransport = transports[indexMap_[toRank]];
234 : bool islastSlice;
235 :
236 : // 添加 die1 偏移
237 0 : if (axisId_ == 1) {
238 0 : src.addr += die0Size_;
239 0 : dst.addr += die0Size_;
240 : }
241 :
242 0 : islastSlice = (sendSliceIdx + 1 == dimSize_);
243 0 : const CcuRep::Variable& sliceSize = axisId_ == 0 ? (islastSlice ? die0LastSliceSize_ : die0SliceSize_) :
244 : (islastSlice ? die1LastSliceSize_ : die1SliceSize_);
245 :
246 0 : CCU_IF(sliceSize == 0) { LocalPost(localSignal_, 1 << signalIndex); }
247 :
248 0 : CCU_IF(sliceSize != 0) { Write(*sendTransport, dst, src, sliceSize, localSignal_, 1 << signalIndex); }
249 0 : }
250 :
251 0 : void CcuContextBroadcastNHRMem2Mem1D::DoAllGatherNHR()
252 : {
253 0 : const uint32_t NHR_NUM = 2;
254 0 : for (u64 i = stepInfoVector_.size() / NHR_NUM; i < stepInfoVector_.size(); i++) {
255 0 : const NHRStepInfo& nhrStepInfo = stepInfoVector_[i];
256 0 : DoAllGatherNHRSingleStep(nhrStepInfo);
257 : }
258 0 : }
259 :
260 0 : void CcuContextBroadcastNHRMem2Mem1D::DoAllGatherNHRSingleStep(const NHRStepInfo& nhrStepInfo)
261 : {
262 0 : u32& toRankIdx = indexMap_[nhrStepInfo.toRank];
263 0 : u32& fromRankIdx = indexMap_[nhrStepInfo.fromRank];
264 0 : u32 sendSliceIdx = 0;
265 0 : CcuTransport* sendTransport = transports[toRankIdx];
266 0 : CcuTransport* recvTransport = transports[fromRankIdx];
267 0 : const std::vector<u32>& sendSliceIdxList = nhrStepInfo.txSliceIdxs;
268 0 : dstMem_.token = token_[toRankIdx];
269 0 : srcMem_.token = token_[myRankIdx_];
270 :
271 0 : uint16_t selfSignalId = rankId_ / RANK_NUM_PER_CKE;
272 0 : uint16_t selfBit = 1 << (rankId_ % RANK_NUM_PER_CKE);
273 :
274 0 : for (u32 i = 0; i < sendSliceIdxList.size(); i++) {
275 0 : sendSliceIdx = sendSliceIdxList[i];
276 :
277 0 : if (i != 0) {
278 0 : if (i % RANK_NUM_PER_CKE == 0) {
279 0 : LocalWait(localSignal_, (1 << RANK_NUM_PER_CKE) - 1);
280 : }
281 : }
282 :
283 0 : srcMem_.addr = output_[myRankIdx_];
284 0 : srcMem_.addr += sliceOffset_[sendSliceIdx];
285 :
286 0 : dstMem_.addr = output_[toRankIdx];
287 0 : dstMem_.addr += sliceOffset_[sendSliceIdx];
288 0 : DoSendRecvSlice(nhrStepInfo.toRank, srcMem_, dstMem_, sendSliceIdx, i % RANK_NUM_PER_CKE);
289 : }
290 :
291 0 : LocalWait(localSignal_, (1 << (sendSliceIdxList.size() % RANK_NUM_PER_CKE)) - 1);
292 :
293 0 : if (nhrStepInfo.step + 1 != stepInfoVector_.size()) { // 最后一步不需要同步
294 : // 通知toRank，写入完毕
295 0 : RemotePost(*sendTransport, selfSignalId + signalNum_ * CKE_IDX_3, selfBit, true);
296 : // 等待fromRank通知写入完毕
297 0 : uint16_t recvSignalId = nhrStepInfo.fromRank / RANK_NUM_PER_CKE;
298 0 : uint16_t recvBit = 1 << (nhrStepInfo.fromRank % RANK_NUM_PER_CKE);
299 0 : RemoteWait(*recvTransport, recvSignalId + signalNum_ * CKE_IDX_3, recvBit);
300 : }
301 :
302 0 : HCCL_DEBUG(
303 : "[DoAllGatherNHRSingleStep] rank %u step %u, toRank=%u, fromRank=%u, nSlice=%lu", rankId_, nhrStepInfo.step,
304 : nhrStepInfo.toRank, nhrStepInfo.fromRank, sendSliceIdxList.size());
305 0 : }
306 :
307 0 : void CcuContextBroadcastNHRMem2Mem1D::Algorithm()
308 : {
309 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] BroadcastNHR1D run");
310 :
311 0 : InitResources();
312 0 : LoadArgs();
313 0 : if (axisSize_ > 1) {
314 0 : AxisSync(FST_AXIS_ID);
315 : }
316 0 : PreSync();
317 0 : DoScatterNHR();
318 0 : DoAllGatherNHR();
319 0 : PostSync();
320 0 : if (axisSize_ > 1) {
321 0 : AxisSync(SEC_AXIS_ID);
322 : }
323 :
324 0 : HCCL_INFO("[CcuContextBroadcastNHRMem2Mem1D] BroadcastNHR1D end");
325 0 : return;
326 : }
327 :
328 0 : std::vector<uint64_t> CcuContextBroadcastNHRMem2Mem1D::GeneArgs(const CcuTaskArg& arg)
329 : {
330 0 : const CcuTaskArgBroadcastNHRMem2Mem1D* taskArg = dynamic_cast<const CcuTaskArgBroadcastNHRMem2Mem1D*>(&arg);
331 0 : if (taskArg == nullptr) {
332 0 : THROW<NullPtrException>(StringFormat("CcuContextBroadcastNHRMem2Mem1D::taskArg ptr is null"));
333 : }
334 : // input&output&buffer地址
335 0 : uint64_t inputAddr = taskArg->inputAddr_;
336 0 : uint64_t outputAddr = taskArg->outputAddr_;
337 0 : uint64_t token = taskArg->token_;
338 0 : uint64_t die0Size = taskArg->die0Size_;
339 0 : uint64_t die1Size = taskArg->die1Size_;
340 0 : uint64_t die0SliceSize = taskArg->die0SliceSize_;
341 0 : uint64_t die1SliceSize = taskArg->die1SliceSize_;
342 0 : uint64_t die0LastSliceSize = taskArg->die0LastSliceSize_;
343 0 : uint64_t die1LastSliceSize = taskArg->die1LastSliceSize_;
344 :
345 0 : HCCL_INFO(
346 : "[CcuContextBroadcastNHRMem2Mem1D] TaskArgs: inputAddr[%llu], outputAddr[%llu], "
347 : "die0Size[%llu], die1Size[%llu], die0SliceSize[%llu], die1SliceSize[%llu],"
348 : "die0LastSliceSize[%llu], die1LastSliceSize[%llu]",
349 : inputAddr, outputAddr, die0Size, die1Size, die0SliceSize, die1SliceSize, die0LastSliceSize, die1LastSliceSize);
350 :
351 : return {inputAddr, outputAddr, token, die0Size, die1Size, die0SliceSize, die1SliceSize,
352 0 : die0LastSliceSize, die1LastSliceSize};
353 : }
354 :
355 : } // namespace Hccl
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