1 | /*! |
---|
2 | \file ep_send.hpp |
---|
3 | \since 2 may 2016 |
---|
4 | |
---|
5 | \brief Definitions of MPI send functions: MPI_Send, MPI_Ssend, MPI_Isend, MPI_Issend |
---|
6 | */ |
---|
7 | |
---|
8 | #include "ep_lib.hpp" |
---|
9 | #include <mpi.h> |
---|
10 | #include "ep_declaration.hpp" |
---|
11 | |
---|
12 | |
---|
13 | namespace ep_lib { |
---|
14 | |
---|
15 | |
---|
16 | int MPI_Send(void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) |
---|
17 | { |
---|
18 | if(!comm.is_ep) |
---|
19 | { |
---|
20 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
21 | ::MPI_Send(buf, count, static_cast< ::MPI_Datatype>(datatype), dest, tag, mpi_comm); |
---|
22 | return 0; |
---|
23 | } |
---|
24 | |
---|
25 | MPI_Request request; |
---|
26 | MPI_Status status; |
---|
27 | MPI_Isend(buf, count, datatype, dest, tag, comm, &request); |
---|
28 | MPI_Wait(&request, &status); |
---|
29 | |
---|
30 | //check_sum_send(buf, count, datatype, dest, tag, comm); |
---|
31 | |
---|
32 | return 0; |
---|
33 | } |
---|
34 | |
---|
35 | |
---|
36 | int MPI_Ssend(void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) |
---|
37 | { |
---|
38 | if(!comm.is_ep) |
---|
39 | { |
---|
40 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
41 | ::MPI_Ssend(buf, count, static_cast< ::MPI_Datatype>(datatype), dest, tag, mpi_comm); |
---|
42 | return 0; |
---|
43 | } |
---|
44 | |
---|
45 | MPI_Request request; |
---|
46 | MPI_Status status; |
---|
47 | MPI_Issend(buf, count, datatype, dest, tag, comm, &request); |
---|
48 | MPI_Wait(&request, &status); |
---|
49 | //check_sum_send(buf, count, datatype, dest, tag, comm); |
---|
50 | return 0; |
---|
51 | } |
---|
52 | |
---|
53 | int MPI_Bsend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) |
---|
54 | { |
---|
55 | if(!comm.is_ep) |
---|
56 | { |
---|
57 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
58 | ::MPI_Bsend(buf, count, static_cast< ::MPI_Datatype>(datatype), dest, tag, mpi_comm); |
---|
59 | return 0; |
---|
60 | } |
---|
61 | |
---|
62 | MPI_Request request; |
---|
63 | MPI_Status status; |
---|
64 | //MPI_Ibsend(buf, count, datatype, dest, tag, comm, &request); |
---|
65 | MPI_Wait(&request, &status); |
---|
66 | |
---|
67 | //check_sum_send(buf, count, datatype, dest, tag, comm); |
---|
68 | |
---|
69 | return 0; |
---|
70 | } |
---|
71 | |
---|
72 | |
---|
73 | |
---|
74 | |
---|
75 | int MPI_Isend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
---|
76 | { |
---|
77 | Debug("\nMPI_Isend with EP\n"); |
---|
78 | int src_rank; |
---|
79 | MPI_Comm_rank(comm, &src_rank); |
---|
80 | |
---|
81 | |
---|
82 | |
---|
83 | if(!comm.is_ep) |
---|
84 | { |
---|
85 | ::MPI_Request mpi_request; |
---|
86 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
87 | ::MPI_Isend(buf, count, static_cast< ::MPI_Datatype> (datatype), dest, tag, mpi_comm, &mpi_request); |
---|
88 | |
---|
89 | request->mpi_request = mpi_request; |
---|
90 | |
---|
91 | request->ep_src = src_rank; |
---|
92 | request->ep_tag = tag; |
---|
93 | request->ep_datatype = datatype; |
---|
94 | request->type = 1; |
---|
95 | request->comm = comm; |
---|
96 | |
---|
97 | return 0; |
---|
98 | } |
---|
99 | |
---|
100 | if(comm.is_intercomm) return MPI_Isend_intercomm(buf, count, datatype, dest, tag, comm, request); |
---|
101 | |
---|
102 | // EP intracomm |
---|
103 | |
---|
104 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
---|
105 | |
---|
106 | int ep_src_loc = comm.ep_comm_ptr->size_rank_info[1].first; |
---|
107 | int ep_dest_loc = comm.ep_comm_ptr->comm_list->rank_map->at(dest).first; |
---|
108 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
109 | int mpi_dest = comm.ep_comm_ptr->comm_list->rank_map->at(dest).second; |
---|
110 | |
---|
111 | request->ep_src = src_rank; |
---|
112 | request->ep_tag = tag; |
---|
113 | request->ep_datatype = datatype; |
---|
114 | |
---|
115 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm> (comm.mpi_comm); |
---|
116 | ::MPI_Request mpi_request; |
---|
117 | |
---|
118 | ::MPI_Isend(buf, count, static_cast< ::MPI_Datatype>(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
119 | |
---|
120 | request->mpi_request = mpi_request; |
---|
121 | request->type = 1; // used in wait |
---|
122 | request->comm = comm; |
---|
123 | request->buf = const_cast<void*>(buf); |
---|
124 | |
---|
125 | //Message_Check(comm); |
---|
126 | |
---|
127 | return 0; |
---|
128 | } |
---|
129 | |
---|
130 | |
---|
131 | |
---|
132 | |
---|
133 | int MPI_Issend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
---|
134 | { |
---|
135 | Debug("\nMPI_Issend with EP\n"); |
---|
136 | |
---|
137 | int src_rank; |
---|
138 | MPI_Comm_rank(comm, &src_rank); |
---|
139 | |
---|
140 | |
---|
141 | |
---|
142 | if(!comm.is_ep) |
---|
143 | { |
---|
144 | ::MPI_Request mpi_request; |
---|
145 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
146 | ::MPI_Issend(buf, count, static_cast< ::MPI_Datatype> (datatype), dest, tag, mpi_comm, &mpi_request); |
---|
147 | |
---|
148 | request->mpi_request = mpi_request; |
---|
149 | request->ep_src = src_rank; |
---|
150 | request->ep_tag = tag; |
---|
151 | request->ep_datatype = datatype; |
---|
152 | request->type = 1; |
---|
153 | request->comm = comm; |
---|
154 | |
---|
155 | return 0; |
---|
156 | } |
---|
157 | |
---|
158 | if(comm.is_intercomm) return MPI_Issend_intercomm(buf, count, datatype, dest, tag, comm, request); |
---|
159 | |
---|
160 | // EP intracomm |
---|
161 | |
---|
162 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
---|
163 | |
---|
164 | int ep_src_loc = comm.ep_comm_ptr->size_rank_info[1].first; |
---|
165 | int ep_dest_loc = comm.ep_comm_ptr->comm_list->rank_map->at(dest).first; |
---|
166 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
167 | int mpi_dest = comm.ep_comm_ptr->comm_list->rank_map->at(dest).second; |
---|
168 | |
---|
169 | request->ep_src = src_rank; |
---|
170 | request->ep_tag = tag; |
---|
171 | request->ep_datatype = datatype; |
---|
172 | |
---|
173 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm> (comm.mpi_comm); |
---|
174 | ::MPI_Request mpi_request; |
---|
175 | |
---|
176 | ::MPI_Issend(buf, count, static_cast< ::MPI_Datatype>(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
177 | |
---|
178 | request->mpi_request = mpi_request; |
---|
179 | request->type = 1; // used in wait |
---|
180 | request->comm = comm; |
---|
181 | request->buf = NULL; |
---|
182 | |
---|
183 | |
---|
184 | //Message_Check(comm); |
---|
185 | |
---|
186 | return 0; |
---|
187 | } |
---|
188 | |
---|
189 | int MPI_Ibsend(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
---|
190 | { |
---|
191 | Debug("\nMPI_Isend with EP\n"); |
---|
192 | int src_rank; |
---|
193 | MPI_Comm_rank(comm, &src_rank); |
---|
194 | |
---|
195 | |
---|
196 | |
---|
197 | if(!comm.is_ep) |
---|
198 | { |
---|
199 | ::MPI_Request mpi_request; |
---|
200 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
201 | ::MPI_Ibsend(buf, count, static_cast< ::MPI_Datatype> (datatype), dest, tag, mpi_comm, &mpi_request); |
---|
202 | |
---|
203 | request->mpi_request = mpi_request; |
---|
204 | |
---|
205 | request->ep_src = src_rank; |
---|
206 | request->ep_tag = tag; |
---|
207 | request->ep_datatype = datatype; |
---|
208 | request->type = 1; |
---|
209 | request->comm = comm; |
---|
210 | |
---|
211 | return 0; |
---|
212 | } |
---|
213 | |
---|
214 | if(comm.is_intercomm) return 0;//MPI_Ibsend_intercomm(buf, count, datatype, dest, tag, comm, request); |
---|
215 | |
---|
216 | // EP intracomm |
---|
217 | |
---|
218 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
---|
219 | |
---|
220 | int ep_src_loc = comm.ep_comm_ptr->size_rank_info[1].first; |
---|
221 | int ep_dest_loc = comm.ep_comm_ptr->comm_list->rank_map->at(dest).first; |
---|
222 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
223 | int mpi_dest = comm.ep_comm_ptr->comm_list->rank_map->at(dest).second; |
---|
224 | |
---|
225 | request->ep_src = src_rank; |
---|
226 | request->ep_tag = tag; |
---|
227 | request->ep_datatype = datatype; |
---|
228 | |
---|
229 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm> (comm.mpi_comm); |
---|
230 | ::MPI_Request mpi_request; |
---|
231 | |
---|
232 | ::MPI_Ibsend(buf, count, static_cast< ::MPI_Datatype>(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
233 | |
---|
234 | request->mpi_request = mpi_request; |
---|
235 | request->type = 1; // used in wait |
---|
236 | request->comm = comm; |
---|
237 | request->buf = const_cast<void*>(buf); |
---|
238 | |
---|
239 | //Message_Check(comm); |
---|
240 | |
---|
241 | return 0; |
---|
242 | } |
---|
243 | |
---|
244 | |
---|
245 | |
---|
246 | int MPI_Isend_intercomm(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
---|
247 | { |
---|
248 | Debug("MPI_Isend with intercomm\n"); |
---|
249 | |
---|
250 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
---|
251 | |
---|
252 | int dest_remote_ep_rank = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).first; |
---|
253 | int dest_remote_comm_label = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).second; |
---|
254 | |
---|
255 | int src_ep_rank = comm.ep_comm_ptr->intercomm->size_rank_info[0].first; |
---|
256 | int src_comm_label; |
---|
257 | |
---|
258 | for(int i=0; i<comm.ep_comm_ptr->intercomm->local_rank_map->size(); i++) |
---|
259 | { |
---|
260 | if(comm.ep_comm_ptr->intercomm->local_rank_map->at(i).first == src_ep_rank) |
---|
261 | { |
---|
262 | src_comm_label = comm.ep_comm_ptr->intercomm->local_rank_map->at(i).second; |
---|
263 | break; |
---|
264 | } |
---|
265 | } |
---|
266 | |
---|
267 | //Message_Check(comm); |
---|
268 | |
---|
269 | |
---|
270 | if(dest_remote_comm_label == src_comm_label) // mpi_dest differs |
---|
271 | { |
---|
272 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
---|
273 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
---|
274 | int ep_dest_loc = comm.rank_map->at(dest_remote_ep_rank).first; |
---|
275 | int mpi_dest = comm.rank_map->at(dest_remote_ep_rank).second; |
---|
276 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
277 | |
---|
278 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
279 | ::MPI_Request mpi_request; |
---|
280 | |
---|
281 | ::MPI_Isend(buf, count, static_cast< ::MPI_Datatype >(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
282 | |
---|
283 | request->mpi_request = mpi_request; |
---|
284 | request->type = 1; // used in wait |
---|
285 | request->comm = comm; |
---|
286 | |
---|
287 | request->ep_src = src_ep_rank; |
---|
288 | request->ep_tag = tag; |
---|
289 | request->ep_datatype = datatype; |
---|
290 | } |
---|
291 | |
---|
292 | else // dest_remote_comm_label != src_comm_label |
---|
293 | { |
---|
294 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
---|
295 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
---|
296 | int ep_dest_loc = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).first; |
---|
297 | int mpi_dest = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).second; |
---|
298 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
299 | |
---|
300 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm >(comm.ep_comm_ptr->intercomm->mpi_inter_comm); |
---|
301 | ::MPI_Request mpi_request; |
---|
302 | |
---|
303 | ::MPI_Isend(buf, count, static_cast< ::MPI_Datatype >(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
304 | |
---|
305 | request->mpi_request = mpi_request; |
---|
306 | request->type = 1; // used in wait |
---|
307 | request->comm = comm; |
---|
308 | |
---|
309 | request->ep_src = src_ep_rank; |
---|
310 | request->ep_tag = tag; |
---|
311 | request->ep_datatype = datatype; |
---|
312 | } |
---|
313 | |
---|
314 | return 0; |
---|
315 | |
---|
316 | } |
---|
317 | |
---|
318 | |
---|
319 | int MPI_Issend_intercomm(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
---|
320 | { |
---|
321 | Debug("MPI_Issend with intercomm\n"); |
---|
322 | |
---|
323 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
---|
324 | |
---|
325 | int dest_remote_ep_rank = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).first; |
---|
326 | int dest_remote_comm_label = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).second; |
---|
327 | |
---|
328 | int src_ep_rank = comm.ep_comm_ptr->intercomm->size_rank_info[0].first; |
---|
329 | int src_comm_label; |
---|
330 | |
---|
331 | for(int i=0; i<comm.ep_comm_ptr->intercomm->local_rank_map->size(); i++) |
---|
332 | { |
---|
333 | if(comm.ep_comm_ptr->intercomm->local_rank_map->at(i).first == src_ep_rank) |
---|
334 | { |
---|
335 | src_comm_label = comm.ep_comm_ptr->intercomm->local_rank_map->at(i).second; |
---|
336 | break; |
---|
337 | } |
---|
338 | } |
---|
339 | |
---|
340 | //Message_Check(comm); |
---|
341 | |
---|
342 | |
---|
343 | if(dest_remote_comm_label == src_comm_label) // dest rank (loc, mpi) differs |
---|
344 | { |
---|
345 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
---|
346 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
---|
347 | int ep_dest_loc = comm.rank_map->at(dest_remote_ep_rank).first; |
---|
348 | int mpi_dest = comm.rank_map->at(dest_remote_ep_rank).second; |
---|
349 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
350 | |
---|
351 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
352 | ::MPI_Request mpi_request; |
---|
353 | |
---|
354 | ::MPI_Issend(buf, count, static_cast< ::MPI_Datatype >(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
355 | |
---|
356 | request->mpi_request = mpi_request; |
---|
357 | request->type = 1; // used in wait |
---|
358 | request->comm = comm; |
---|
359 | |
---|
360 | request->ep_src = src_ep_rank; |
---|
361 | request->ep_tag = tag; |
---|
362 | request->ep_datatype = datatype; |
---|
363 | } |
---|
364 | |
---|
365 | else // dest_remote_comm_label != src_comm_label |
---|
366 | { |
---|
367 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
---|
368 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
---|
369 | int ep_dest_loc = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).first; |
---|
370 | int mpi_dest = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).second; |
---|
371 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
372 | |
---|
373 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm >(comm.ep_comm_ptr->intercomm->mpi_inter_comm); |
---|
374 | ::MPI_Request mpi_request; |
---|
375 | |
---|
376 | ::MPI_Issend(buf, count, static_cast< ::MPI_Datatype >(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
377 | |
---|
378 | request->mpi_request = mpi_request; |
---|
379 | request->type = 1; // used in wait |
---|
380 | request->comm = comm; |
---|
381 | |
---|
382 | request->ep_src = src_ep_rank; |
---|
383 | request->ep_tag = tag; |
---|
384 | request->ep_datatype = datatype; |
---|
385 | } |
---|
386 | |
---|
387 | return 0; |
---|
388 | |
---|
389 | } |
---|
390 | |
---|
391 | int MPI_Ibsend_intercomm(const void *buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request *request) |
---|
392 | { |
---|
393 | printf("MPI_Ibsend with intercomm not yet implemented\n"); |
---|
394 | MPI_Abort(comm, 0); |
---|
395 | //check_sum_send(buf, count, datatype, dest, tag, comm, 1); |
---|
396 | |
---|
397 | int dest_remote_ep_rank = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).first; |
---|
398 | int dest_remote_comm_label = comm.ep_comm_ptr->intercomm->remote_rank_map->at(dest).second; |
---|
399 | |
---|
400 | int src_ep_rank = comm.ep_comm_ptr->intercomm->size_rank_info[0].first; |
---|
401 | int src_comm_label; |
---|
402 | |
---|
403 | for(int i=0; i<comm.ep_comm_ptr->intercomm->local_rank_map->size(); i++) |
---|
404 | { |
---|
405 | if(comm.ep_comm_ptr->intercomm->local_rank_map->at(i).first == src_ep_rank) |
---|
406 | { |
---|
407 | src_comm_label = comm.ep_comm_ptr->intercomm->local_rank_map->at(i).second; |
---|
408 | break; |
---|
409 | } |
---|
410 | } |
---|
411 | |
---|
412 | //Message_Check(comm); |
---|
413 | |
---|
414 | |
---|
415 | if(dest_remote_comm_label == src_comm_label) // mpi_dest differs |
---|
416 | { |
---|
417 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
---|
418 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
---|
419 | int ep_dest_loc = comm.rank_map->at(dest_remote_ep_rank).first; |
---|
420 | int mpi_dest = comm.rank_map->at(dest_remote_ep_rank).second; |
---|
421 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
422 | |
---|
423 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm > (comm.mpi_comm); |
---|
424 | ::MPI_Request mpi_request; |
---|
425 | |
---|
426 | ::MPI_Isend(buf, count, static_cast< ::MPI_Datatype >(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
427 | |
---|
428 | request->mpi_request = mpi_request; |
---|
429 | request->type = 1; // used in wait |
---|
430 | request->comm = comm; |
---|
431 | |
---|
432 | request->ep_src = src_ep_rank; |
---|
433 | request->ep_tag = tag; |
---|
434 | request->ep_datatype = datatype; |
---|
435 | } |
---|
436 | |
---|
437 | else // dest_remote_comm_label != src_comm_label |
---|
438 | { |
---|
439 | int inter_src = comm.ep_comm_ptr->intercomm->local_rank_map->at(src_ep_rank).first; |
---|
440 | int ep_src_loc = comm.rank_map->at(inter_src).first; |
---|
441 | int ep_dest_loc = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).first; |
---|
442 | int mpi_dest = comm.ep_comm_ptr->intercomm->intercomm_rank_map->at(dest_remote_ep_rank).second; |
---|
443 | int mpi_tag = tag_combine(tag, ep_src_loc, ep_dest_loc); |
---|
444 | |
---|
445 | ::MPI_Comm mpi_comm = static_cast< ::MPI_Comm >(comm.ep_comm_ptr->intercomm->mpi_inter_comm); |
---|
446 | ::MPI_Request mpi_request; |
---|
447 | |
---|
448 | ::MPI_Isend(buf, count, static_cast< ::MPI_Datatype >(datatype), mpi_dest, mpi_tag, mpi_comm, &mpi_request); |
---|
449 | |
---|
450 | request->mpi_request = mpi_request; |
---|
451 | request->type = 1; // used in wait |
---|
452 | request->comm = comm; |
---|
453 | |
---|
454 | request->ep_src = src_ep_rank; |
---|
455 | request->ep_tag = tag; |
---|
456 | request->ep_datatype = datatype; |
---|
457 | } |
---|
458 | |
---|
459 | return 0; |
---|
460 | |
---|
461 | } |
---|
462 | } |
---|
463 | |
---|
464 | |
---|
465 | |
---|
466 | |
---|
467 | |
---|
468 | |
---|