1 | #include "globalScopeData.hpp" |
---|
2 | #include "xios_spl.hpp" |
---|
3 | #include "cxios.hpp" |
---|
4 | #include "server.hpp" |
---|
5 | #include "client.hpp" |
---|
6 | #include "type.hpp" |
---|
7 | #include "context.hpp" |
---|
8 | #include "object_template.hpp" |
---|
9 | #include "oasis_cinterface.hpp" |
---|
10 | #include <boost/functional/hash.hpp> |
---|
11 | #include <boost/algorithm/string.hpp> |
---|
12 | #include "mpi.hpp" |
---|
13 | #include "tracer.hpp" |
---|
14 | #include "timer.hpp" |
---|
15 | #include "event_scheduler.hpp" |
---|
16 | #include "string_tools.hpp" |
---|
17 | |
---|
18 | namespace xios |
---|
19 | { |
---|
20 | ep_lib::MPI_Comm CServer::intraComm ; |
---|
21 | std::list<ep_lib::MPI_Comm> CServer::interCommLeft ; |
---|
22 | std::list<ep_lib::MPI_Comm> CServer::interCommRight ; |
---|
23 | std::list<ep_lib::MPI_Comm> CServer::contextInterComms; |
---|
24 | std::list<ep_lib::MPI_Comm> CServer::contextIntraComms; |
---|
25 | int CServer::serverLevel = 0 ; |
---|
26 | int CServer::nbContexts = 0; |
---|
27 | bool CServer::isRoot = false ; |
---|
28 | int CServer::rank_ = INVALID_RANK; |
---|
29 | StdOFStream CServer::m_infoStream; |
---|
30 | StdOFStream CServer::m_errorStream; |
---|
31 | map<string,CContext*> CServer::contextList ; |
---|
32 | vector<int> CServer::sndServerGlobalRanks; |
---|
33 | bool CServer::finished=false ; |
---|
34 | bool CServer::is_MPI_Initialized ; |
---|
35 | CEventScheduler* CServer::eventScheduler = 0; |
---|
36 | |
---|
37 | //--------------------------------------------------------------- |
---|
38 | /*! |
---|
39 | * \fn void CServer::initialize(void) |
---|
40 | * Creates intraComm for each possible type of servers (classical, primary or secondary). |
---|
41 | * Creates interComm and stores them into the following lists: |
---|
42 | * classical server -- interCommLeft |
---|
43 | * primary server -- interCommLeft and interCommRight |
---|
44 | * secondary server -- interCommLeft for each pool. |
---|
45 | * IMPORTANT: CXios::usingServer2 should NOT be used beyond this function. Use CServer::serverLevel instead. |
---|
46 | */ |
---|
47 | void CServer::initialize(void) |
---|
48 | { |
---|
49 | int initialized ; |
---|
50 | ep_lib::MPI_Initialized(&initialized) ; |
---|
51 | if (initialized) is_MPI_Initialized=true ; |
---|
52 | else is_MPI_Initialized=false ; |
---|
53 | int rank ; |
---|
54 | |
---|
55 | // Not using OASIS |
---|
56 | if (!CXios::usingOasis) |
---|
57 | { |
---|
58 | |
---|
59 | if (!is_MPI_Initialized) |
---|
60 | { |
---|
61 | ep_lib::MPI_Init(NULL, NULL); |
---|
62 | } |
---|
63 | CTimer::get("XIOS").resume() ; |
---|
64 | |
---|
65 | boost::hash<string> hashString ; |
---|
66 | unsigned long hashServer = hashString(CXios::xiosCodeId); |
---|
67 | |
---|
68 | unsigned long* hashAll ; |
---|
69 | unsigned long* srvLevelAll ; |
---|
70 | |
---|
71 | int size ; |
---|
72 | int myColor ; |
---|
73 | int i,c ; |
---|
74 | ep_lib::MPI_Comm newComm; |
---|
75 | |
---|
76 | ep_lib::MPI_Comm_size(CXios::globalComm, &size) ; |
---|
77 | ep_lib::MPI_Comm_rank(CXios::globalComm, &rank_); |
---|
78 | |
---|
79 | hashAll=new unsigned long[size] ; |
---|
80 | ep_lib::MPI_Allgather(&hashServer, 1, EP_LONG, hashAll, 1, EP_LONG, CXios::globalComm) ; |
---|
81 | |
---|
82 | map<unsigned long, int> colors ; |
---|
83 | map<unsigned long, int> leaders ; |
---|
84 | map<unsigned long, int>::iterator it ; |
---|
85 | |
---|
86 | // (1) Establish client leaders, distribute processes between two server levels |
---|
87 | std::vector<int> srvRanks; |
---|
88 | for(i=0,c=0;i<size;i++) |
---|
89 | { |
---|
90 | if (colors.find(hashAll[i])==colors.end()) |
---|
91 | { |
---|
92 | colors[hashAll[i]]=c ; |
---|
93 | leaders[hashAll[i]]=i ; |
---|
94 | c++ ; |
---|
95 | } |
---|
96 | if (CXios::usingServer2) |
---|
97 | if (hashAll[i] == hashServer) |
---|
98 | srvRanks.push_back(i); |
---|
99 | } |
---|
100 | |
---|
101 | if (CXios::usingServer2) |
---|
102 | { |
---|
103 | int reqNbProc = srvRanks.size()*CXios::ratioServer2/100.; |
---|
104 | if (reqNbProc<1 || reqNbProc==srvRanks.size()) |
---|
105 | { |
---|
106 | error(0)<<"WARNING: void CServer::initialize(void)"<<endl |
---|
107 | << "It is impossible to dedicate the requested number of processes = "<<reqNbProc |
---|
108 | <<" to secondary server. XIOS will run in the classical server mode."<<endl; |
---|
109 | } |
---|
110 | else |
---|
111 | { |
---|
112 | if (CXios::nbPoolsServer2 == 0) CXios::nbPoolsServer2 = reqNbProc; |
---|
113 | int firstSndSrvRank = srvRanks.size()*(100.-CXios::ratioServer2)/100. ; |
---|
114 | int poolLeader = firstSndSrvRank; |
---|
115 | //*********** (1) Comment out the line below to set one process per pool |
---|
116 | sndServerGlobalRanks.push_back(srvRanks[poolLeader]); |
---|
117 | int nbPools = CXios::nbPoolsServer2; |
---|
118 | if ( nbPools > reqNbProc || nbPools < 1) |
---|
119 | { |
---|
120 | error(0)<<"WARNING: void CServer::initialize(void)"<<endl |
---|
121 | << "It is impossible to allocate the requested number of pools = "<<nbPools |
---|
122 | <<" on the secondary server. It will be set so that there is one process per pool."<<endl; |
---|
123 | nbPools = reqNbProc; |
---|
124 | } |
---|
125 | int remainder = ((int) (srvRanks.size()*CXios::ratioServer2/100.)) % nbPools; |
---|
126 | int procsPerPool = ((int) (srvRanks.size()*CXios::ratioServer2/100.)) / nbPools; |
---|
127 | for (i=0; i<srvRanks.size(); i++) |
---|
128 | { |
---|
129 | if (i >= firstSndSrvRank) |
---|
130 | { |
---|
131 | if (rank_ == srvRanks[i]) |
---|
132 | { |
---|
133 | serverLevel=2; |
---|
134 | } |
---|
135 | poolLeader += procsPerPool; |
---|
136 | if (remainder != 0) |
---|
137 | { |
---|
138 | ++poolLeader; |
---|
139 | --remainder; |
---|
140 | } |
---|
141 | //*********** (2) Comment out the two lines below to set one process per pool |
---|
142 | if (poolLeader < srvRanks.size()) |
---|
143 | sndServerGlobalRanks.push_back(srvRanks[poolLeader]); |
---|
144 | //*********** (3) Uncomment the line below to set one process per pool |
---|
145 | // sndServerGlobalRanks.push_back(srvRanks[i]); |
---|
146 | } |
---|
147 | else |
---|
148 | { |
---|
149 | if (rank_ == srvRanks[i]) serverLevel=1; |
---|
150 | } |
---|
151 | } |
---|
152 | if (serverLevel==2) |
---|
153 | { |
---|
154 | info(50)<<"The number of secondary server pools is "<< sndServerGlobalRanks.size() <<endl ; |
---|
155 | for (i=0; i<sndServerGlobalRanks.size(); i++) |
---|
156 | { |
---|
157 | if (rank_>= sndServerGlobalRanks[i]) |
---|
158 | { |
---|
159 | if ( i == sndServerGlobalRanks.size()-1) |
---|
160 | { |
---|
161 | myColor = colors.size() + sndServerGlobalRanks[i]; |
---|
162 | } |
---|
163 | else if (rank_< sndServerGlobalRanks[i+1]) |
---|
164 | { |
---|
165 | myColor = colors.size() + sndServerGlobalRanks[i]; |
---|
166 | break; |
---|
167 | } |
---|
168 | } |
---|
169 | } |
---|
170 | } |
---|
171 | } |
---|
172 | } |
---|
173 | |
---|
174 | // (2) Create intraComm |
---|
175 | if (serverLevel != 2) myColor=colors[hashServer]; |
---|
176 | ep_lib::MPI_Comm_split(CXios::globalComm, myColor, rank_, &intraComm) ; |
---|
177 | |
---|
178 | // (3) Create interComm |
---|
179 | if (serverLevel == 0) |
---|
180 | { |
---|
181 | int clientLeader; |
---|
182 | for(it=leaders.begin();it!=leaders.end();it++) |
---|
183 | { |
---|
184 | if (it->first!=hashServer) |
---|
185 | { |
---|
186 | clientLeader=it->second ; |
---|
187 | int intraCommSize, intraCommRank ; |
---|
188 | ep_lib::MPI_Comm_size(intraComm,&intraCommSize) ; |
---|
189 | ep_lib::MPI_Comm_rank(intraComm,&intraCommRank) ; |
---|
190 | info(50)<<"intercommCreate::server (classical mode) "<<rank_<<" intraCommSize : "<<intraCommSize |
---|
191 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
---|
192 | |
---|
193 | ep_lib::MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 0, &newComm) ; |
---|
194 | interCommLeft.push_back(newComm) ; |
---|
195 | } |
---|
196 | } |
---|
197 | } |
---|
198 | else if (serverLevel == 1) |
---|
199 | { |
---|
200 | int clientLeader, srvSndLeader; |
---|
201 | int srvPrmLeader ; |
---|
202 | |
---|
203 | for (it=leaders.begin();it!=leaders.end();it++) |
---|
204 | { |
---|
205 | if (it->first != hashServer) |
---|
206 | { |
---|
207 | clientLeader=it->second ; |
---|
208 | int intraCommSize, intraCommRank ; |
---|
209 | ep_lib::MPI_Comm_size(intraComm, &intraCommSize) ; |
---|
210 | ep_lib::MPI_Comm_rank(intraComm, &intraCommRank) ; |
---|
211 | info(50)<<"intercommCreate::server (server level 1) "<<rank_<<" intraCommSize : "<<intraCommSize |
---|
212 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
---|
213 | ep_lib::MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 0, &newComm) ; |
---|
214 | interCommLeft.push_back(newComm) ; |
---|
215 | } |
---|
216 | } |
---|
217 | |
---|
218 | for (int i = 0; i < sndServerGlobalRanks.size(); ++i) |
---|
219 | { |
---|
220 | int intraCommSize, intraCommRank ; |
---|
221 | ep_lib::MPI_Comm_size(intraComm, &intraCommSize) ; |
---|
222 | ep_lib::MPI_Comm_rank(intraComm, &intraCommRank) ; |
---|
223 | info(50)<<"intercommCreate::client (server level 1) "<<rank_<<" intraCommSize : "<<intraCommSize |
---|
224 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< sndServerGlobalRanks[i]<<endl ; |
---|
225 | ep_lib::MPI_Intercomm_create(intraComm, 0, CXios::globalComm, sndServerGlobalRanks[i], 1, &newComm) ; |
---|
226 | interCommRight.push_back(newComm) ; |
---|
227 | } |
---|
228 | } |
---|
229 | else |
---|
230 | { |
---|
231 | int clientLeader; |
---|
232 | clientLeader = leaders[hashString(CXios::xiosCodeId)]; |
---|
233 | int intraCommSize, intraCommRank ; |
---|
234 | ep_lib::MPI_Comm_size(intraComm, &intraCommSize) ; |
---|
235 | ep_lib::MPI_Comm_rank(intraComm, &intraCommRank) ; |
---|
236 | info(50)<<"intercommCreate::server (server level 2) "<<rank_<<" intraCommSize : "<<intraCommSize |
---|
237 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
---|
238 | |
---|
239 | ep_lib::MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 1, &newComm) ; |
---|
240 | interCommLeft.push_back(newComm) ; |
---|
241 | } |
---|
242 | |
---|
243 | delete [] hashAll ; |
---|
244 | |
---|
245 | } |
---|
246 | // using OASIS |
---|
247 | else |
---|
248 | { |
---|
249 | int size; |
---|
250 | int myColor; |
---|
251 | int* srvGlobalRanks; |
---|
252 | if (!is_MPI_Initialized) oasis_init(CXios::xiosCodeId); |
---|
253 | |
---|
254 | CTimer::get("XIOS").resume() ; |
---|
255 | ep_lib::MPI_Comm localComm; |
---|
256 | oasis_get_localcomm(localComm); |
---|
257 | ep_lib::MPI_Comm_rank(localComm,&rank_) ; |
---|
258 | |
---|
259 | // (1) Create server intraComm |
---|
260 | if (!CXios::usingServer2) |
---|
261 | { |
---|
262 | ep_lib::MPI_Comm_dup(localComm, &intraComm); |
---|
263 | } |
---|
264 | else |
---|
265 | { |
---|
266 | int globalRank; |
---|
267 | ep_lib::MPI_Comm_size(localComm,&size) ; |
---|
268 | ep_lib::MPI_Comm_rank(CXios::globalComm,&globalRank) ; |
---|
269 | srvGlobalRanks = new int[size] ; |
---|
270 | ep_lib::MPI_Allgather(&globalRank, 1, EP_INT, srvGlobalRanks, 1, EP_INT, localComm) ; |
---|
271 | |
---|
272 | int reqNbProc = size*CXios::ratioServer2/100.; |
---|
273 | if (reqNbProc < 1 || reqNbProc == size) |
---|
274 | { |
---|
275 | error(0)<<"WARNING: void CServer::initialize(void)"<<endl |
---|
276 | << "It is impossible to dedicate the requested number of processes = "<<reqNbProc |
---|
277 | <<" to secondary server. XIOS will run in the classical server mode."<<endl; |
---|
278 | ep_lib::MPI_Comm_dup(localComm, &intraComm); |
---|
279 | } |
---|
280 | else |
---|
281 | { |
---|
282 | int firstSndSrvRank = size*(100.-CXios::ratioServer2)/100. ; |
---|
283 | int poolLeader = firstSndSrvRank; |
---|
284 | //*********** (1) Comment out the line below to set one process per pool |
---|
285 | // sndServerGlobalRanks.push_back(srvGlobalRanks[poolLeader]); |
---|
286 | int nbPools = CXios::nbPoolsServer2; |
---|
287 | if ( nbPools > reqNbProc || nbPools < 1) |
---|
288 | { |
---|
289 | error(0)<<"WARNING: void CServer::initialize(void)"<<endl |
---|
290 | << "It is impossible to allocate the requested number of pools = "<<nbPools |
---|
291 | <<" on the secondary server. It will be set so that there is one process per pool."<<endl; |
---|
292 | nbPools = reqNbProc; |
---|
293 | } |
---|
294 | int remainder = ((int) (size*CXios::ratioServer2/100.)) % nbPools; |
---|
295 | int procsPerPool = ((int) (size*CXios::ratioServer2/100.)) / nbPools; |
---|
296 | for (int i=0; i<size; i++) |
---|
297 | { |
---|
298 | if (i >= firstSndSrvRank) |
---|
299 | { |
---|
300 | if (globalRank == srvGlobalRanks[i]) |
---|
301 | { |
---|
302 | serverLevel=2; |
---|
303 | } |
---|
304 | poolLeader += procsPerPool; |
---|
305 | if (remainder != 0) |
---|
306 | { |
---|
307 | ++poolLeader; |
---|
308 | --remainder; |
---|
309 | } |
---|
310 | //*********** (2) Comment out the two lines below to set one process per pool |
---|
311 | // if (poolLeader < size) |
---|
312 | // sndServerGlobalRanks.push_back(srvGlobalRanks[poolLeader]); |
---|
313 | //*********** (3) Uncomment the line below to set one process per pool |
---|
314 | sndServerGlobalRanks.push_back(srvGlobalRanks[i]); |
---|
315 | } |
---|
316 | else |
---|
317 | { |
---|
318 | if (globalRank == srvGlobalRanks[i]) serverLevel=1; |
---|
319 | } |
---|
320 | } |
---|
321 | if (serverLevel==2) |
---|
322 | { |
---|
323 | info(50)<<"The number of secondary server pools is "<< sndServerGlobalRanks.size() <<endl ; |
---|
324 | for (int i=0; i<sndServerGlobalRanks.size(); i++) |
---|
325 | { |
---|
326 | if (globalRank>= sndServerGlobalRanks[i]) |
---|
327 | { |
---|
328 | if (i == sndServerGlobalRanks.size()-1) |
---|
329 | { |
---|
330 | myColor = sndServerGlobalRanks[i]; |
---|
331 | } |
---|
332 | else if (globalRank< sndServerGlobalRanks[i+1]) |
---|
333 | { |
---|
334 | myColor = sndServerGlobalRanks[i]; |
---|
335 | break; |
---|
336 | } |
---|
337 | } |
---|
338 | } |
---|
339 | } |
---|
340 | if (serverLevel != 2) myColor=0; |
---|
341 | ep_lib::MPI_Comm_split(localComm, myColor, rank_, &intraComm) ; |
---|
342 | } |
---|
343 | } |
---|
344 | |
---|
345 | string codesId=CXios::getin<string>("oasis_codes_id") ; |
---|
346 | vector<string> oasisCodeId=splitRegex(codesId,"\\s*,\\s*") ; |
---|
347 | |
---|
348 | vector<string>::iterator it ; |
---|
349 | |
---|
350 | ep_lib::MPI_Comm newComm ; |
---|
351 | int globalRank ; |
---|
352 | ep_lib::MPI_Comm_rank(CXios::globalComm,&globalRank); |
---|
353 | |
---|
354 | // (2) Create interComms with models |
---|
355 | for(it=oasisCodeId.begin();it!=oasisCodeId.end();it++) |
---|
356 | { |
---|
357 | oasis_get_intercomm(newComm,*it) ; |
---|
358 | if ( serverLevel == 0 || serverLevel == 1) |
---|
359 | { |
---|
360 | interCommLeft.push_back(newComm) ; |
---|
361 | if (rank_==0) ep_lib::MPI_Send(&globalRank,1,EP_INT,0,0,newComm) ; |
---|
362 | } |
---|
363 | } |
---|
364 | |
---|
365 | // (3) Create interComms between primary and secondary servers |
---|
366 | int intraCommSize, intraCommRank ; |
---|
367 | ep_lib::MPI_Comm_size(intraComm,&intraCommSize) ; |
---|
368 | ep_lib::MPI_Comm_rank(intraComm, &intraCommRank) ; |
---|
369 | |
---|
370 | if (serverLevel == 1) |
---|
371 | { |
---|
372 | for (int i = 0; i < sndServerGlobalRanks.size(); ++i) |
---|
373 | { |
---|
374 | int srvSndLeader = sndServerGlobalRanks[i]; |
---|
375 | info(50)<<"intercommCreate::client (server level 1) "<<globalRank<<" intraCommSize : "<<intraCommSize |
---|
376 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< srvSndLeader<<endl ; |
---|
377 | ep_lib::MPI_Intercomm_create(intraComm, 0, CXios::globalComm, srvSndLeader, 0, &newComm) ; |
---|
378 | interCommRight.push_back(newComm) ; |
---|
379 | } |
---|
380 | } |
---|
381 | else if (serverLevel == 2) |
---|
382 | { |
---|
383 | info(50)<<"intercommCreate::server (server level 2)"<<globalRank<<" intraCommSize : "<<intraCommSize |
---|
384 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< srvGlobalRanks[0] <<endl ; |
---|
385 | ep_lib::MPI_Intercomm_create(intraComm, 0, CXios::globalComm, srvGlobalRanks[0], 0, &newComm) ; |
---|
386 | interCommLeft.push_back(newComm) ; |
---|
387 | } |
---|
388 | if (CXios::usingServer2) delete [] srvGlobalRanks ; |
---|
389 | |
---|
390 | bool oasisEnddef=CXios::getin<bool>("call_oasis_enddef",true) ; |
---|
391 | if (!oasisEnddef) oasis_enddef() ; |
---|
392 | } |
---|
393 | |
---|
394 | |
---|
395 | ep_lib::MPI_Comm_rank(intraComm, &rank) ; |
---|
396 | if (rank==0) isRoot=true; |
---|
397 | else isRoot=false; |
---|
398 | |
---|
399 | eventScheduler = new CEventScheduler(intraComm) ; |
---|
400 | } |
---|
401 | |
---|
402 | void CServer::finalize(void) |
---|
403 | { |
---|
404 | CTimer::get("XIOS").suspend() ; |
---|
405 | |
---|
406 | delete eventScheduler ; |
---|
407 | |
---|
408 | for (std::list<ep_lib::MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
---|
409 | ep_lib::MPI_Comm_free(&(*it)); |
---|
410 | |
---|
411 | for (std::list<ep_lib::MPI_Comm>::iterator it = contextIntraComms.begin(); it != contextIntraComms.end(); it++) |
---|
412 | ep_lib::MPI_Comm_free(&(*it)); |
---|
413 | |
---|
414 | // for (std::list<MPI_Comm>::iterator it = interComm.begin(); it != interComm.end(); it++) |
---|
415 | // MPI_Comm_free(&(*it)); |
---|
416 | |
---|
417 | // for (std::list<MPI_Comm>::iterator it = interCommLeft.begin(); it != interCommLeft.end(); it++) |
---|
418 | // MPI_Comm_free(&(*it)); |
---|
419 | |
---|
420 | for (std::list<ep_lib::MPI_Comm>::iterator it = interCommRight.begin(); it != interCommRight.end(); it++) |
---|
421 | ep_lib::MPI_Comm_free(&(*it)); |
---|
422 | |
---|
423 | ep_lib::MPI_Comm_free(&intraComm); |
---|
424 | |
---|
425 | if (!is_MPI_Initialized) |
---|
426 | { |
---|
427 | if (CXios::usingOasis) oasis_finalize(); |
---|
428 | else ep_lib::MPI_Finalize() ; |
---|
429 | } |
---|
430 | report(0)<<"Performance report : Time spent for XIOS : "<<CTimer::get("XIOS server").getCumulatedTime()<<endl ; |
---|
431 | report(0)<<"Performance report : Time spent in processing events : "<<CTimer::get("Process events").getCumulatedTime()<<endl ; |
---|
432 | report(0)<<"Performance report : Ratio : "<<CTimer::get("Process events").getCumulatedTime()/CTimer::get("XIOS server").getCumulatedTime()*100.<<"%"<<endl ; |
---|
433 | report(100)<<CTimer::getAllCumulatedTime()<<endl ; |
---|
434 | } |
---|
435 | |
---|
436 | void CServer::eventLoop(void) |
---|
437 | { |
---|
438 | bool stop=false ; |
---|
439 | |
---|
440 | CTimer::get("XIOS server").resume() ; |
---|
441 | while(!stop) |
---|
442 | { |
---|
443 | if (isRoot) |
---|
444 | { |
---|
445 | listenContext(); |
---|
446 | listenRootContext(); |
---|
447 | listenOasisEnddef() ; |
---|
448 | listenRootOasisEnddef() ; |
---|
449 | if (!finished) listenFinalize() ; |
---|
450 | } |
---|
451 | else |
---|
452 | { |
---|
453 | listenRootContext(); |
---|
454 | listenRootOasisEnddef() ; |
---|
455 | if (!finished) listenRootFinalize() ; |
---|
456 | } |
---|
457 | |
---|
458 | contextEventLoop() ; |
---|
459 | if (finished && contextList.empty()) stop=true ; |
---|
460 | eventScheduler->checkEvent() ; |
---|
461 | } |
---|
462 | CTimer::get("XIOS server").suspend() ; |
---|
463 | } |
---|
464 | |
---|
465 | void CServer::listenFinalize(void) |
---|
466 | { |
---|
467 | list<ep_lib::MPI_Comm>::iterator it, itr; |
---|
468 | int msg ; |
---|
469 | int flag ; |
---|
470 | |
---|
471 | for(it=interCommLeft.begin();it!=interCommLeft.end();it++) |
---|
472 | { |
---|
473 | ep_lib::MPI_Status status ; |
---|
474 | traceOff() ; |
---|
475 | ep_lib::MPI_Iprobe(0,0,*it,&flag,&status) ; |
---|
476 | traceOn() ; |
---|
477 | if (flag==true) |
---|
478 | { |
---|
479 | ep_lib::MPI_Recv(&msg,1,EP_INT,0,0,*it,&status) ; |
---|
480 | info(20)<<" CServer : Receive client finalize"<<endl ; |
---|
481 | // Sending server finalize message to secondary servers (if any) |
---|
482 | for(itr=interCommRight.begin();itr!=interCommRight.end();itr++) |
---|
483 | { |
---|
484 | ep_lib::MPI_Send(&msg,1,EP_INT,0,0,*itr) ; |
---|
485 | } |
---|
486 | ep_lib::MPI_Comm_free(&(*it)); |
---|
487 | interCommLeft.erase(it) ; |
---|
488 | break ; |
---|
489 | } |
---|
490 | } |
---|
491 | |
---|
492 | if (interCommLeft.empty()) |
---|
493 | { |
---|
494 | int i,size ; |
---|
495 | ep_lib::MPI_Comm_size(intraComm,&size) ; |
---|
496 | ep_lib::MPI_Request* requests= new ep_lib::MPI_Request[size-1] ; |
---|
497 | ep_lib::MPI_Status* status= new ep_lib::MPI_Status[size-1] ; |
---|
498 | |
---|
499 | for(int i=1;i<size;i++) ep_lib::MPI_Isend(&msg,1,EP_INT,i,4,intraComm,&requests[i-1]) ; |
---|
500 | ep_lib::MPI_Waitall(size-1,requests,status) ; |
---|
501 | |
---|
502 | finished=true ; |
---|
503 | delete [] requests ; |
---|
504 | delete [] status ; |
---|
505 | } |
---|
506 | } |
---|
507 | |
---|
508 | |
---|
509 | void CServer::listenRootFinalize() |
---|
510 | { |
---|
511 | int flag ; |
---|
512 | ep_lib::MPI_Status status ; |
---|
513 | int msg ; |
---|
514 | |
---|
515 | traceOff() ; |
---|
516 | ep_lib::MPI_Iprobe(0,4,intraComm, &flag, &status) ; |
---|
517 | traceOn() ; |
---|
518 | if (flag==true) |
---|
519 | { |
---|
520 | ep_lib::MPI_Recv(&msg,1,EP_INT,0,4,intraComm,&status) ; |
---|
521 | finished=true ; |
---|
522 | } |
---|
523 | } |
---|
524 | |
---|
525 | |
---|
526 | /*! |
---|
527 | * Root process is listening for an order sent by client to call "oasis_enddef". |
---|
528 | * The root client of a compound send the order (tag 5). It is probed and received. |
---|
529 | * When the order has been received from each coumpound, the server root process ping the order to the root processes of the secondary levels of servers (if any). |
---|
530 | * After, it also inform (asynchronous call) other processes of the communicator that the oasis_enddef call must be done |
---|
531 | */ |
---|
532 | |
---|
533 | void CServer::listenOasisEnddef(void) |
---|
534 | { |
---|
535 | int flag ; |
---|
536 | ep_lib::MPI_Status status ; |
---|
537 | list<ep_lib::MPI_Comm>::iterator it; |
---|
538 | int msg ; |
---|
539 | static int nbCompound=0 ; |
---|
540 | int size ; |
---|
541 | static bool sent=false ; |
---|
542 | static ep_lib::MPI_Request* allRequests ; |
---|
543 | static ep_lib::MPI_Status* allStatus ; |
---|
544 | |
---|
545 | |
---|
546 | if (sent) |
---|
547 | { |
---|
548 | ep_lib::MPI_Comm_size(intraComm,&size) ; |
---|
549 | ep_lib::MPI_Testall(size,allRequests, &flag, allStatus) ; |
---|
550 | if (flag==true) |
---|
551 | { |
---|
552 | delete [] allRequests ; |
---|
553 | delete [] allStatus ; |
---|
554 | sent=false ; |
---|
555 | } |
---|
556 | } |
---|
557 | |
---|
558 | |
---|
559 | for(it=interCommLeft.begin();it!=interCommLeft.end();it++) |
---|
560 | { |
---|
561 | ep_lib::MPI_Status status ; |
---|
562 | traceOff() ; |
---|
563 | ep_lib::MPI_Iprobe(0,5,*it,&flag,&status) ; // tags oasis_endded = 5 |
---|
564 | traceOn() ; |
---|
565 | if (flag==true) |
---|
566 | { |
---|
567 | ep_lib::MPI_Recv(&msg,1,EP_INT,0,5,*it,&status) ; // tags oasis_endded = 5 |
---|
568 | nbCompound++ ; |
---|
569 | if (nbCompound==interCommLeft.size()) |
---|
570 | { |
---|
571 | for (std::list<ep_lib::MPI_Comm>::iterator it = interCommRight.begin(); it != interCommRight.end(); it++) |
---|
572 | { |
---|
573 | ep_lib::MPI_Send(&msg,1,EP_INT,0,5,*it) ; // tags oasis_endded = 5 |
---|
574 | } |
---|
575 | ep_lib::MPI_Comm_size(intraComm,&size) ; |
---|
576 | allRequests= new ep_lib::MPI_Request[size] ; |
---|
577 | allStatus= new ep_lib::MPI_Status[size] ; |
---|
578 | for(int i=0;i<size;i++) ep_lib::MPI_Isend(&msg,1,EP_INT,i,5,intraComm,&allRequests[i]) ; // tags oasis_endded = 5 |
---|
579 | sent=true ; |
---|
580 | } |
---|
581 | } |
---|
582 | } |
---|
583 | } |
---|
584 | |
---|
585 | /*! |
---|
586 | * Processes probes message from root process if oasis_enddef call must be done. |
---|
587 | * When the order is received it is scheduled to be treated in a synchronized way by all server processes of the communicator |
---|
588 | */ |
---|
589 | void CServer::listenRootOasisEnddef(void) |
---|
590 | { |
---|
591 | int flag ; |
---|
592 | ep_lib::MPI_Status status ; |
---|
593 | const int root=0 ; |
---|
594 | int msg ; |
---|
595 | static bool eventSent=false ; |
---|
596 | |
---|
597 | if (eventSent) |
---|
598 | { |
---|
599 | boost::hash<string> hashString; |
---|
600 | size_t hashId = hashString("oasis_enddef"); |
---|
601 | if (eventScheduler->queryEvent(0,hashId)) |
---|
602 | { |
---|
603 | oasis_enddef() ; |
---|
604 | eventSent=false ; |
---|
605 | } |
---|
606 | } |
---|
607 | |
---|
608 | traceOff() ; |
---|
609 | ep_lib::MPI_Iprobe(root,5,intraComm, &flag, &status) ; |
---|
610 | traceOn() ; |
---|
611 | if (flag==true) |
---|
612 | { |
---|
613 | ep_lib::MPI_Recv(&msg,1,EP_INT,root,5,intraComm,&status) ; // tags oasis_endded = 5 |
---|
614 | boost::hash<string> hashString; |
---|
615 | size_t hashId = hashString("oasis_enddef"); |
---|
616 | eventScheduler->registerEvent(0,hashId); |
---|
617 | eventSent=true ; |
---|
618 | } |
---|
619 | } |
---|
620 | |
---|
621 | |
---|
622 | |
---|
623 | |
---|
624 | |
---|
625 | void CServer::listenContext(void) |
---|
626 | { |
---|
627 | |
---|
628 | ep_lib::MPI_Status status ; |
---|
629 | int flag ; |
---|
630 | static char* buffer ; |
---|
631 | static ep_lib::MPI_Request request ; |
---|
632 | static bool recept=false ; |
---|
633 | int rank ; |
---|
634 | int count ; |
---|
635 | |
---|
636 | if (recept==false) |
---|
637 | { |
---|
638 | traceOff() ; |
---|
639 | #ifdef _usingMPI |
---|
640 | ep_lib::MPI_Iprobe(MPI_ANY_SOURCE,1,CXios::globalComm, &flag, &status) ; |
---|
641 | #elif _usingEP |
---|
642 | ep_lib::MPI_Iprobe(-2,1,CXios::globalComm, &flag, &status) ; |
---|
643 | #endif |
---|
644 | traceOn() ; |
---|
645 | if (flag==true) |
---|
646 | { |
---|
647 | #ifdef _usingMPI |
---|
648 | rank=status.MPI_SOURCE ; |
---|
649 | #elif _usingEP |
---|
650 | rank=status.ep_src ; |
---|
651 | #endif |
---|
652 | ep_lib::MPI_Get_count(&status,EP_CHAR,&count) ; |
---|
653 | buffer=new char[count] ; |
---|
654 | ep_lib::MPI_Irecv((void*)buffer,count,EP_CHAR,rank,1,CXios::globalComm,&request) ; |
---|
655 | recept=true ; |
---|
656 | } |
---|
657 | } |
---|
658 | else |
---|
659 | { |
---|
660 | traceOff() ; |
---|
661 | ep_lib::MPI_Test(&request,&flag,&status) ; |
---|
662 | traceOn() ; |
---|
663 | if (flag==true) |
---|
664 | { |
---|
665 | #ifdef _usingMPI |
---|
666 | rank=status.MPI_SOURCE ; |
---|
667 | #elif _usingEP |
---|
668 | rank=status.ep_src ; |
---|
669 | #endif |
---|
670 | ep_lib::MPI_Get_count(&status,EP_CHAR,&count) ; |
---|
671 | recvContextMessage((void*)buffer,count) ; |
---|
672 | delete [] buffer ; |
---|
673 | recept=false ; |
---|
674 | } |
---|
675 | } |
---|
676 | } |
---|
677 | |
---|
678 | void CServer::recvContextMessage(void* buff,int count) |
---|
679 | { |
---|
680 | static map<string,contextMessage> recvContextId; |
---|
681 | map<string,contextMessage>::iterator it ; |
---|
682 | CBufferIn buffer(buff,count) ; |
---|
683 | string id ; |
---|
684 | int clientLeader ; |
---|
685 | int nbMessage ; |
---|
686 | |
---|
687 | buffer>>id>>nbMessage>>clientLeader ; |
---|
688 | |
---|
689 | it=recvContextId.find(id) ; |
---|
690 | if (it==recvContextId.end()) |
---|
691 | { |
---|
692 | contextMessage msg={0,0} ; |
---|
693 | pair<map<string,contextMessage>::iterator,bool> ret ; |
---|
694 | ret=recvContextId.insert(pair<string,contextMessage>(id,msg)) ; |
---|
695 | it=ret.first ; |
---|
696 | } |
---|
697 | it->second.nbRecv+=1 ; |
---|
698 | it->second.leaderRank+=clientLeader ; |
---|
699 | |
---|
700 | if (it->second.nbRecv==nbMessage) |
---|
701 | { |
---|
702 | int size ; |
---|
703 | ep_lib::MPI_Comm_size(intraComm,&size) ; |
---|
704 | // MPI_Request* requests= new MPI_Request[size-1] ; |
---|
705 | // MPI_Status* status= new MPI_Status[size-1] ; |
---|
706 | ep_lib::MPI_Request* requests= new ep_lib::MPI_Request[size] ; |
---|
707 | ep_lib::MPI_Status* status= new ep_lib::MPI_Status[size] ; |
---|
708 | |
---|
709 | CMessage msg ; |
---|
710 | msg<<id<<it->second.leaderRank; |
---|
711 | int messageSize=msg.size() ; |
---|
712 | void * sendBuff = new char[messageSize] ; |
---|
713 | CBufferOut sendBuffer(sendBuff,messageSize) ; |
---|
714 | sendBuffer<<msg ; |
---|
715 | |
---|
716 | // Include root itself in order not to have a divergence |
---|
717 | for(int i=0; i<size; i++) |
---|
718 | { |
---|
719 | ep_lib::MPI_Isend(sendBuff,sendBuffer.count(),EP_CHAR,i,2,intraComm,&requests[i]) ; |
---|
720 | } |
---|
721 | |
---|
722 | recvContextId.erase(it) ; |
---|
723 | delete [] requests ; |
---|
724 | delete [] status ; |
---|
725 | |
---|
726 | } |
---|
727 | } |
---|
728 | |
---|
729 | void CServer::listenRootContext(void) |
---|
730 | { |
---|
731 | ep_lib::MPI_Status status ; |
---|
732 | int flag ; |
---|
733 | static std::vector<void*> buffers; |
---|
734 | static std::vector<ep_lib::MPI_Request> requests ; |
---|
735 | static std::vector<int> counts ; |
---|
736 | static std::vector<bool> isEventRegistered ; |
---|
737 | static std::vector<bool> isEventQueued ; |
---|
738 | ep_lib::MPI_Request request; |
---|
739 | |
---|
740 | int rank ; |
---|
741 | const int root=0 ; |
---|
742 | boost::hash<string> hashString; |
---|
743 | size_t hashId = hashString("RegisterContext"); |
---|
744 | |
---|
745 | // (1) Receive context id from the root, save it into a buffer |
---|
746 | traceOff() ; |
---|
747 | ep_lib::MPI_Iprobe(root,2,intraComm, &flag, &status) ; |
---|
748 | traceOn() ; |
---|
749 | if (flag==true) |
---|
750 | { |
---|
751 | counts.push_back(0); |
---|
752 | ep_lib::MPI_Get_count(&status,EP_CHAR,&(counts.back())) ; |
---|
753 | buffers.push_back(new char[counts.back()]) ; |
---|
754 | requests.push_back(request); |
---|
755 | ep_lib::MPI_Irecv((void*)(buffers.back()),counts.back(),EP_CHAR,root,2,intraComm,&(requests.back())) ; |
---|
756 | isEventRegistered.push_back(false); |
---|
757 | isEventQueued.push_back(false); |
---|
758 | nbContexts++; |
---|
759 | } |
---|
760 | |
---|
761 | for (int ctxNb = 0; ctxNb < nbContexts; ctxNb++ ) |
---|
762 | { |
---|
763 | // (2) If context id is received, register an event |
---|
764 | ep_lib::MPI_Test(&requests[ctxNb],&flag,&status) ; |
---|
765 | if (flag==true && !isEventRegistered[ctxNb]) |
---|
766 | { |
---|
767 | eventScheduler->registerEvent(ctxNb,hashId); |
---|
768 | isEventRegistered[ctxNb] = true; |
---|
769 | } |
---|
770 | // (3) If event has been scheduled, call register context |
---|
771 | if (eventScheduler->queryEvent(ctxNb,hashId) && !isEventQueued[ctxNb]) |
---|
772 | { |
---|
773 | registerContext(buffers[ctxNb],counts[ctxNb]) ; |
---|
774 | isEventQueued[ctxNb] = true; |
---|
775 | delete [] buffers[ctxNb] ; |
---|
776 | } |
---|
777 | } |
---|
778 | |
---|
779 | } |
---|
780 | |
---|
781 | void CServer::registerContext(void* buff, int count, int leaderRank) |
---|
782 | { |
---|
783 | string contextId; |
---|
784 | CBufferIn buffer(buff, count); |
---|
785 | // buffer >> contextId; |
---|
786 | buffer >> contextId>>leaderRank; |
---|
787 | CContext* context; |
---|
788 | |
---|
789 | info(20) << "CServer : Register new Context : " << contextId << endl; |
---|
790 | |
---|
791 | if (contextList.find(contextId) != contextList.end()) |
---|
792 | ERROR("void CServer::registerContext(void* buff, int count, int leaderRank)", |
---|
793 | << "Context '" << contextId << "' has already been registred"); |
---|
794 | |
---|
795 | context=CContext::create(contextId); |
---|
796 | contextList[contextId]=context; |
---|
797 | |
---|
798 | // Primary or classical server: create communication channel with a client |
---|
799 | // (1) create interComm (with a client) |
---|
800 | // (2) initialize client and server (contextClient and contextServer) |
---|
801 | ep_lib::MPI_Comm inter; |
---|
802 | if (serverLevel < 2) |
---|
803 | { |
---|
804 | ep_lib::MPI_Comm contextInterComm; |
---|
805 | ep_lib::MPI_Intercomm_create(intraComm, 0, CXios::globalComm, leaderRank, 10+leaderRank, &contextInterComm); |
---|
806 | ep_lib::MPI_Intercomm_merge(contextInterComm,1,&inter); |
---|
807 | ep_lib::MPI_Barrier(inter); |
---|
808 | ep_lib::MPI_Comm_free(&inter); |
---|
809 | context->initServer(intraComm,contextInterComm); |
---|
810 | contextInterComms.push_back(contextInterComm); |
---|
811 | |
---|
812 | } |
---|
813 | // Secondary server: create communication channel with a primary server |
---|
814 | // (1) duplicate interComm with a primary server |
---|
815 | // (2) initialize client and server (contextClient and contextServer) |
---|
816 | // Remark: in the case of the secondary server there is no need to create an interComm calling MPI_Intercomm_create, |
---|
817 | // because interComm of CContext is defined on the same processes as the interComm of CServer. |
---|
818 | // So just duplicate it. |
---|
819 | else if (serverLevel == 2) |
---|
820 | { |
---|
821 | ep_lib::MPI_Comm_dup(interCommLeft.front(), &inter); |
---|
822 | contextInterComms.push_back(inter); |
---|
823 | context->initServer(intraComm, contextInterComms.back()); |
---|
824 | } |
---|
825 | |
---|
826 | // Primary server: |
---|
827 | // (1) send create context message to secondary servers |
---|
828 | // (2) initialize communication channels with secondary servers (create contextClient and contextServer) |
---|
829 | if (serverLevel == 1) |
---|
830 | { |
---|
831 | int i = 0, size; |
---|
832 | ep_lib::MPI_Comm_size(intraComm, &size) ; |
---|
833 | for (std::list<ep_lib::MPI_Comm>::iterator it = interCommRight.begin(); it != interCommRight.end(); it++, ++i) |
---|
834 | { |
---|
835 | StdString str = contextId +"_server_" + boost::lexical_cast<string>(i); |
---|
836 | CMessage msg; |
---|
837 | int messageSize; |
---|
838 | msg<<str<<size<<rank_ ; |
---|
839 | messageSize = msg.size() ; |
---|
840 | buff = new char[messageSize] ; |
---|
841 | CBufferOut buffer(buff,messageSize) ; |
---|
842 | buffer<<msg ; |
---|
843 | ep_lib::MPI_Send(buff, buffer.count(), EP_CHAR, sndServerGlobalRanks[i], 1, CXios::globalComm) ; |
---|
844 | ep_lib::MPI_Comm_dup(*it, &inter); |
---|
845 | contextInterComms.push_back(inter); |
---|
846 | ep_lib::MPI_Comm_dup(intraComm, &inter); |
---|
847 | contextIntraComms.push_back(inter); |
---|
848 | context->initClient(contextIntraComms.back(), contextInterComms.back()) ; |
---|
849 | delete [] buff ; |
---|
850 | } |
---|
851 | } |
---|
852 | } |
---|
853 | |
---|
854 | void CServer::contextEventLoop(bool enableEventsProcessing /*= true*/) |
---|
855 | { |
---|
856 | bool isFinalized ; |
---|
857 | map<string,CContext*>::iterator it ; |
---|
858 | |
---|
859 | for(it=contextList.begin();it!=contextList.end();it++) |
---|
860 | { |
---|
861 | isFinalized=it->second->isFinalized(); |
---|
862 | if (isFinalized) |
---|
863 | { |
---|
864 | contextList.erase(it) ; |
---|
865 | break ; |
---|
866 | } |
---|
867 | else |
---|
868 | it->second->checkBuffersAndListen(enableEventsProcessing); |
---|
869 | } |
---|
870 | } |
---|
871 | |
---|
872 | //! Get rank of the current process in the intraComm |
---|
873 | int CServer::getRank() |
---|
874 | { |
---|
875 | int rank; |
---|
876 | ep_lib::MPI_Comm_rank(intraComm,&rank); |
---|
877 | return rank; |
---|
878 | } |
---|
879 | |
---|
880 | vector<int>& CServer::getSecondaryServerGlobalRanks() |
---|
881 | { |
---|
882 | return sndServerGlobalRanks; |
---|
883 | } |
---|
884 | |
---|
885 | /*! |
---|
886 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
---|
887 | * The file name will be suffix+rank+extension. |
---|
888 | * |
---|
889 | * \param fileName[in] protype file name |
---|
890 | * \param ext [in] extension of the file |
---|
891 | * \param fb [in/out] the file buffer |
---|
892 | */ |
---|
893 | void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
---|
894 | { |
---|
895 | StdStringStream fileNameClient; |
---|
896 | int numDigit = 0; |
---|
897 | int size = 0; |
---|
898 | int id; |
---|
899 | ep_lib::MPI_Comm_size(CXios::globalComm, &size); |
---|
900 | while (size) |
---|
901 | { |
---|
902 | size /= 10; |
---|
903 | ++numDigit; |
---|
904 | } |
---|
905 | id = rank_; //getRank(); |
---|
906 | |
---|
907 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << id << ext; |
---|
908 | fb->open(fileNameClient.str().c_str(), std::ios::out); |
---|
909 | if (!fb->is_open()) |
---|
910 | ERROR("void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
---|
911 | << std::endl << "Can not open <" << fileNameClient.str() << "> file to write the server log(s)."); |
---|
912 | } |
---|
913 | |
---|
914 | /*! |
---|
915 | * \brief Open a file stream to write the info logs |
---|
916 | * Open a file stream with a specific file name suffix+rank |
---|
917 | * to write the info logs. |
---|
918 | * \param fileName [in] protype file name |
---|
919 | */ |
---|
920 | void CServer::openInfoStream(const StdString& fileName) |
---|
921 | { |
---|
922 | std::filebuf* fb = m_infoStream.rdbuf(); |
---|
923 | openStream(fileName, ".out", fb); |
---|
924 | |
---|
925 | info.write2File(fb); |
---|
926 | report.write2File(fb); |
---|
927 | } |
---|
928 | |
---|
929 | //! Write the info logs to standard output |
---|
930 | void CServer::openInfoStream() |
---|
931 | { |
---|
932 | info.write2StdOut(); |
---|
933 | report.write2StdOut(); |
---|
934 | } |
---|
935 | |
---|
936 | //! Close the info logs file if it opens |
---|
937 | void CServer::closeInfoStream() |
---|
938 | { |
---|
939 | if (m_infoStream.is_open()) m_infoStream.close(); |
---|
940 | } |
---|
941 | |
---|
942 | /*! |
---|
943 | * \brief Open a file stream to write the error log |
---|
944 | * Open a file stream with a specific file name suffix+rank |
---|
945 | * to write the error log. |
---|
946 | * \param fileName [in] protype file name |
---|
947 | */ |
---|
948 | void CServer::openErrorStream(const StdString& fileName) |
---|
949 | { |
---|
950 | std::filebuf* fb = m_errorStream.rdbuf(); |
---|
951 | openStream(fileName, ".err", fb); |
---|
952 | |
---|
953 | error.write2File(fb); |
---|
954 | } |
---|
955 | |
---|
956 | //! Write the error log to standard error output |
---|
957 | void CServer::openErrorStream() |
---|
958 | { |
---|
959 | error.write2StdErr(); |
---|
960 | } |
---|
961 | |
---|
962 | //! Close the error log file if it opens |
---|
963 | void CServer::closeErrorStream() |
---|
964 | { |
---|
965 | if (m_errorStream.is_open()) m_errorStream.close(); |
---|
966 | } |
---|
967 | } |
---|