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source: palm/trunk/SOURCE/pmc_mpi_wrapper_mod.f90 @ 2371

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1	MODULE pmc_mpi_wrapper
2
3	!------------------------------------------------------------------------------!
4	! This file is part of PALM.
5	!
6	! PALM is free software: you can redistribute it and/or modify it under the
7	! terms of the GNU General Public License as published by the Free Software
8	! Foundation, either version 3 of the License, or (at your option) any later
9	! version.
10	!
11	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
12	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
13	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
14	!
15	! You should have received a copy of the GNU General Public License along with
16	! PALM. If not, see <http://www.gnu.org/licenses/>.
17	!
18	! Copyright 1997-2017 Leibniz Universitaet Hannover
19	!------------------------------------------------------------------------------!
20	!
21	! Current revisions:
22	! ------------------
23	!
24	!
25	! Former revisions:
26	! -----------------
27	! $Id: pmc_mpi_wrapper_mod.f90 2101 2017-01-05 16:42:31Z kanani $
28	!
29	! 2000 2016-08-20 18:09:15Z knoop
30	! Forced header and separation lines into 80 columns
31	!
32	! 1901 2016-05-04 15:39:38Z raasch
33	! Code clean up. The words server/client changed to parent/child.
34	!
35	! 1900 2016-05-04 15:27:53Z raasch
36	! re-formatted to match PALM style
37	!
38	! 1850 2016-04-08 13:29:27Z maronga
39	! Module renamed
40	!
41	!
42	! 1808 2016-04-05 19:44:00Z raasch
43	! MPI module used by default on all machines
44	!
45	! 1779 2016-03-03 08:01:28Z raasch
46	! kind=dp replaced by wp
47	!
48	! 1764 2016-02-28 12:45:19Z raasch
49	! cpp-statement added (nesting can only be used in parallel mode),
50	! kind-parameters adjusted to PALM-kinds
51	!
52	! 1762 2016-02-25 12:31:13Z hellstea
53	! Initial revision by K. Ketelsen
54	!
55	! Description:
56	! ------------
57	!
58	! MPI Wrapper of Palm Model Coupler
59	!-------------------------------------------------------------------------------!
60
61	#if defined( __parallel )
62	USE, INTRINSIC :: ISO_C_BINDING
63
64	#if defined( __mpifh )
65	INCLUDE "mpif.h"
66	#else
67	USE MPI
68	#endif
69
70	USE kinds
71	USE pmc_handle_communicator, &
72	ONLY: m_model_comm, m_model_rank, m_to_parent_comm, m_to_child_comm
73
74	IMPLICIT NONE
75
76	PRIVATE
77	SAVE
78
79	INTERFACE pmc_send_to_parent
80	MODULE PROCEDURE pmc_send_to_parent_integer
81	MODULE PROCEDURE pmc_send_to_parent_integer_2
82	MODULE PROCEDURE pmc_send_to_parent_real_r1
83	MODULE PROCEDURE pmc_send_to_parent_real_r2
84	MODULE PROCEDURE pmc_send_to_parent_real_r3
85	END INTERFACE pmc_send_to_parent
86
87	INTERFACE pmc_recv_from_parent
88	MODULE PROCEDURE pmc_recv_from_parent_integer
89	MODULE PROCEDURE pmc_recv_from_parent_real_r1
90	MODULE PROCEDURE pmc_recv_from_parent_real_r2
91	MODULE PROCEDURE pmc_recv_from_parent_real_r3
92	END INTERFACE pmc_recv_from_parent
93
94	INTERFACE pmc_send_to_child
95	MODULE PROCEDURE pmc_send_to_child_integer
96	MODULE PROCEDURE pmc_send_to_child_real_r1
97	MODULE PROCEDURE pmc_send_to_child_real_r2
98	MODULE PROCEDURE pmc_send_to_child_real_r3
99	END INTERFACE pmc_send_to_child
100
101	INTERFACE pmc_recv_from_child
102	MODULE PROCEDURE pmc_recv_from_child_integer
103	MODULE PROCEDURE pmc_recv_from_child_integer_2
104	MODULE PROCEDURE pmc_recv_from_child_real_r1
105	MODULE PROCEDURE pmc_recv_from_child_real_r2
106	MODULE PROCEDURE pmc_recv_from_child_real_r3
107	END INTERFACE pmc_recv_from_child
108
109	INTERFACE pmc_bcast
110	MODULE PROCEDURE pmc_bcast_integer
111	MODULE PROCEDURE pmc_bcast_character
112	END INTERFACE pmc_bcast
113
114	INTERFACE pmc_inter_bcast
115	MODULE PROCEDURE pmc_inter_bcast_integer_1
116	END INTERFACE pmc_inter_bcast
117
118	INTERFACE pmc_alloc_mem
119	MODULE PROCEDURE pmc_alloc_mem_integer_1
120	MODULE PROCEDURE pmc_alloc_mem_Real_1
121	END INTERFACE pmc_alloc_mem
122
123	INTERFACE pmc_time
124	MODULE PROCEDURE pmc_time
125	END INTERFACE pmc_time
126
127	PUBLIC pmc_alloc_mem, pmc_bcast, pmc_inter_bcast, pmc_recv_from_child, &
128	pmc_recv_from_parent, pmc_send_to_child, pmc_send_to_parent, &
129	pmc_time
130
131	CONTAINS
132
133
134	SUBROUTINE pmc_send_to_parent_integer( buf, n, parent_rank, tag, ierr )
135
136	IMPLICIT NONE
137
138	INTEGER, DIMENSION(:), INTENT(IN) :: buf !<
139	INTEGER, INTENT(IN) :: n !<
140	INTEGER, INTENT(IN) :: parent_rank !<
141	INTEGER, INTENT(IN) :: tag !<
142	INTEGER, INTENT(OUT) :: ierr !<
143
144	ierr = 0
145	CALL MPI_SEND( buf, n, MPI_INTEGER, parent_rank, tag, m_to_parent_comm, &
146	ierr)
147
148	END SUBROUTINE pmc_send_to_parent_integer
149
150
151
152	SUBROUTINE pmc_recv_from_parent_integer( buf, n, parent_rank, tag, ierr )
153
154	IMPLICIT NONE
155
156	INTEGER, DIMENSION(:), INTENT(OUT) :: buf !<
157	INTEGER, INTENT(IN) :: n !<
158	INTEGER, INTENT(IN) :: parent_rank !<
159	INTEGER, INTENT(IN) :: tag !<
160	INTEGER, INTENT(OUT) :: ierr !<
161
162	ierr = 0
163	CALL MPI_RECV( buf, n, MPI_INTEGER, parent_rank, tag, m_to_parent_comm, &
164	MPI_STATUS_IGNORE, ierr )
165
166	END SUBROUTINE pmc_recv_from_parent_integer
167
168
169
170	SUBROUTINE pmc_send_to_parent_integer_2( buf, n, parent_rank, tag, ierr )
171
172	IMPLICIT NONE
173
174	INTEGER, DIMENSION(:,:), INTENT(IN) :: buf !<
175	INTEGER, INTENT(IN) :: n !<
176	INTEGER, INTENT(IN) :: parent_rank !<
177	INTEGER, INTENT(IN) :: tag !<
178	INTEGER, INTENT(OUT) :: ierr !<
179
180	ierr = 0
181	CALL MPI_SEND( buf, n, MPI_INTEGER, parent_rank, tag, m_to_parent_comm, &
182	ierr )
183
184	END SUBROUTINE pmc_send_to_parent_integer_2
185
186
187
188	SUBROUTINE pmc_send_to_parent_real_r1( buf, n, parent_rank, tag, ierr )
189
190	IMPLICIT NONE
191
192	REAL(wp), DIMENSION(:), INTENT(IN) :: buf !<
193	INTEGER, INTENT(IN) :: n !<
194	INTEGER, INTENT(IN) :: parent_rank !<
195	INTEGER, INTENT(IN) :: tag !<
196	INTEGER, INTENT(OUT) :: ierr !<
197
198	ierr = 0
199	CALL MPI_SEND( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, ierr )
200
201	END SUBROUTINE pmc_send_to_parent_real_r1
202
203
204
205	SUBROUTINE pmc_recv_from_parent_real_r1( buf, n, parent_rank, tag, ierr )
206
207	IMPLICIT NONE
208
209	REAL(wp), DIMENSION(:), INTENT(OUT) :: buf !<
210	INTEGER, INTENT(IN) :: n !<
211	INTEGER, INTENT(IN) :: parent_rank !<
212	INTEGER, INTENT(IN) :: tag !<
213	INTEGER, INTENT(OUT) :: ierr !<
214
215	ierr = 0
216	CALL MPI_RECV( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, &
217	MPI_STATUS_IGNORE, ierr )
218
219	END SUBROUTINE pmc_recv_from_parent_real_r1
220
221
222
223	SUBROUTINE pmc_send_to_parent_real_r2( buf, n, parent_rank, tag, ierr )
224
225	IMPLICIT NONE
226
227	REAL(wp), DIMENSION(:,:), INTENT(IN) :: buf !<
228	INTEGER, INTENT(IN) :: n !<
229	INTEGER, INTENT(IN) :: parent_rank !<
230	INTEGER, INTENT(IN) :: tag !<
231	INTEGER, INTENT(OUT) :: ierr !<
232
233	ierr = 0
234	CALL MPI_SEND( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, ierr )
235
236	END SUBROUTINE pmc_send_to_parent_real_r2
237
238
239	SUBROUTINE pmc_recv_from_parent_real_r2( buf, n, parent_rank, tag, ierr )
240
241	IMPLICIT NONE
242
243	REAL(wp), DIMENSION(:,:), INTENT(OUT) :: buf !<
244	INTEGER, INTENT(IN) :: n !<
245	INTEGER, INTENT(IN) :: parent_rank !<
246	INTEGER, INTENT(IN) :: tag !<
247	INTEGER, INTENT(OUT) :: ierr !<
248
249	ierr = 0
250	CALL MPI_RECV( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, &
251	MPI_STATUS_IGNORE, ierr )
252
253	END SUBROUTINE pmc_recv_from_parent_real_r2
254
255
256
257	SUBROUTINE pmc_send_to_parent_real_r3( buf, n, parent_rank, tag, ierr )
258
259	IMPLICIT NONE
260
261	REAL(wp), DIMENSION(:,:,:), INTENT(IN) :: buf !<
262	INTEGER, INTENT(IN) :: n !<
263	INTEGER, INTENT(IN) :: parent_rank !<
264	INTEGER, INTENT(IN) :: tag !<
265	INTEGER, INTENT(OUT) :: ierr !<
266
267	ierr = 0
268	CALL MPI_SEND( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, ierr )
269
270	END SUBROUTINE pmc_send_to_parent_real_r3
271
272
273
274	SUBROUTINE pmc_recv_from_parent_real_r3( buf, n, parent_rank, tag, ierr )
275
276	IMPLICIT NONE
277
278	REAL(wp), DIMENSION(:,:,:), INTENT(OUT) :: buf !<
279	INTEGER, INTENT(IN) :: n !<
280	INTEGER, INTENT(IN) :: parent_rank !<
281	INTEGER, INTENT(IN) :: tag !<
282	INTEGER, INTENT(OUT) :: ierr !<
283
284	ierr = 0
285	CALL MPI_RECV( buf, n, MPI_REAL, parent_rank, tag, m_to_parent_comm, &
286	MPI_STATUS_IGNORE, ierr )
287
288	END SUBROUTINE pmc_recv_from_parent_real_r3
289
290
291
292	SUBROUTINE pmc_send_to_child_integer( child_id, buf, n, child_rank, tag, &
293	ierr )
294
295	IMPLICIT NONE
296
297	INTEGER, INTENT(IN) :: child_id !<
298	INTEGER, DIMENSION(:), INTENT(IN) :: buf !<
299	INTEGER, INTENT(IN) :: n !<
300	INTEGER, INTENT(IN) :: child_rank !<
301	INTEGER, INTENT(IN) :: tag !<
302	INTEGER, INTENT(OUT) :: ierr !<
303
304	ierr = 0
305	CALL MPI_SEND( buf, n, MPI_INTEGER, child_rank, tag, &
306	m_to_child_comm(child_id), ierr )
307
308	END SUBROUTINE pmc_send_to_child_integer
309
310
311
312	SUBROUTINE pmc_recv_from_child_integer( child_id, buf, n, child_rank, tag, &
313	ierr )
314
315	IMPLICIT NONE
316
317	INTEGER, INTENT(IN) :: child_id !<
318	INTEGER, DIMENSION(:), INTENT(INOUT) :: buf !<
319	INTEGER, INTENT(IN) :: n !<
320	INTEGER, INTENT(IN) :: child_rank !<
321	INTEGER, INTENT(IN) :: tag !<
322	INTEGER, INTENT(OUT) :: ierr !<
323
324	ierr = 0
325	CALL MPI_RECV( buf, n, MPI_INTEGER, child_rank, tag, &
326	m_to_child_comm(child_id), MPI_STATUS_IGNORE, ierr )
327
328	END SUBROUTINE pmc_recv_from_child_integer
329
330
331
332	SUBROUTINE pmc_recv_from_child_integer_2( child_id, buf, n, child_rank, &
333	tag, ierr )
334
335	IMPLICIT NONE
336
337	INTEGER, INTENT(IN) :: child_id !<
338	INTEGER, DIMENSION(:,:), INTENT(OUT) :: buf !<
339	INTEGER, INTENT(IN) :: n !<
340	INTEGER, INTENT(IN) :: child_rank !<
341	INTEGER, INTENT(IN) :: tag !<
342	INTEGER, INTENT(OUT) :: ierr !<
343
344	ierr = 0
345	CALL MPI_RECV( buf, n, MPI_INTEGER, child_rank, tag, &
346	m_to_child_comm(child_id), MPI_STATUS_IGNORE, ierr )
347
348	END SUBROUTINE pmc_recv_from_child_integer_2
349
350
351
352	SUBROUTINE pmc_send_to_child_real_r1( child_id, buf, n, child_rank, tag, &
353	ierr )
354
355	IMPLICIT NONE
356
357	INTEGER, INTENT(IN) :: child_id !<
358	REAL(wp), DIMENSION(:), INTENT(IN) :: buf !<
359	INTEGER, INTENT(IN) :: n !<
360	INTEGER, INTENT(IN) :: child_rank !<
361	INTEGER, INTENT(IN) :: tag !<
362	INTEGER, INTENT(OUT) :: ierr !<
363
364	ierr = 0
365	CALL MPI_SEND( buf, n, MPI_REAL, child_rank, tag, &
366	m_to_child_comm(child_id), ierr )
367
368	END SUBROUTINE pmc_send_to_child_real_r1
369
370
371
372	SUBROUTINE pmc_recv_from_child_real_r1( child_id, buf, n, child_rank, tag, &
373	ierr )
374
375	IMPLICIT NONE
376
377	INTEGER, INTENT(IN) :: child_id !<
378	REAL(wp), DIMENSION(:), INTENT(INOUT) :: buf !<
379	INTEGER, INTENT(IN) :: n !<
380	INTEGER, INTENT(IN) :: child_rank !<
381	INTEGER, INTENT(IN) :: tag !<
382	INTEGER, INTENT(OUT) :: ierr !<
383
384	ierr = 0
385	CALL MPI_RECV( buf, n, MPI_REAL, child_rank, tag, &
386	m_to_child_comm(child_id), MPI_STATUS_IGNORE, ierr )
387
388	END SUBROUTINE pmc_recv_from_child_real_r1
389
390
391
392	SUBROUTINE pmc_send_to_child_real_r2( child_id, buf, n, child_rank, tag, &
393	ierr )
394
395	IMPLICIT NONE
396
397	INTEGER, INTENT(IN) :: child_id !<
398	REAL(wp), DIMENSION(:,:), INTENT(IN) :: buf !<
399	INTEGER, INTENT(IN) :: n !<
400	INTEGER, INTENT(IN) :: child_rank !<
401	INTEGER, INTENT(IN) :: tag !<
402	INTEGER, INTENT(OUT) :: ierr !<
403
404	ierr = 0
405	CALL MPI_SEND( buf, n, MPI_REAL, child_rank, tag, &
406	m_to_child_comm(child_id), ierr )
407
408	END SUBROUTINE pmc_send_to_child_real_r2
409
410
411
412	SUBROUTINE pmc_recv_from_child_real_r2( child_id, buf, n, child_rank, tag, &
413	ierr )
414
415	IMPLICIT NONE
416
417	INTEGER, INTENT(IN) :: child_id !<
418	REAL(wp), DIMENSION(:,:), INTENT(OUT) :: buf !<
419	INTEGER, INTENT(IN) :: n !<
420	INTEGER, INTENT(IN) :: child_rank !<
421	INTEGER, INTENT(IN) :: tag !<
422	INTEGER, INTENT(OUT) :: ierr !<
423
424	ierr = 0
425	CALL MPI_RECV( buf, n, MPI_REAL, child_rank, tag, &
426	m_to_child_comm(child_id), MPI_STATUS_IGNORE, ierr )
427
428	END SUBROUTINE pmc_recv_from_child_real_r2
429
430
431
432	SUBROUTINE pmc_send_to_child_real_r3( child_id, buf, n, child_rank, tag, &
433	ierr)
434
435	IMPLICIT NONE
436
437	INTEGER, INTENT(IN) :: child_id !<
438	REAL(wp), DIMENSION(:,:,:), INTENT(IN) :: buf !<
439	INTEGER, INTENT(IN) :: n !<
440	INTEGER, INTENT(IN) :: child_rank !<
441	INTEGER, INTENT(IN) :: tag !<
442	INTEGER, INTENT(OUT) :: ierr !<
443
444	ierr = 0
445	CALL MPI_SEND( buf, n, MPI_REAL, child_rank, tag, &
446	m_to_child_comm(child_id), ierr )
447
448	END SUBROUTINE pmc_send_to_child_real_r3
449
450
451
452	SUBROUTINE pmc_recv_from_child_real_r3( child_id, buf, n, child_rank, tag, &
453	ierr )
454
455	IMPLICIT NONE
456
457	INTEGER, INTENT(IN) :: child_id !<
458	REAL(wp), DIMENSION(:,:,:), INTENT(OUT) :: buf !<
459	INTEGER, INTENT(IN) :: n !<
460	INTEGER, INTENT(IN) :: child_rank !<
461	INTEGER, INTENT(IN) :: tag !<
462	INTEGER, INTENT(OUT) :: ierr !<
463
464	ierr = 0
465	CALL MPI_RECV( buf, n, MPI_REAL, child_rank, tag, &
466	m_to_child_comm(child_id), MPI_STATUS_IGNORE, ierr )
467
468	END SUBROUTINE pmc_recv_from_child_real_r3
469
470
471
472	SUBROUTINE pmc_bcast_integer( buf, root_pe, comm, ierr )
473
474	IMPLICIT NONE
475
476	INTEGER, INTENT(INOUT) :: buf !<
477	INTEGER, INTENT(IN) :: root_pe !<
478	INTEGER, INTENT(IN), OPTIONAL :: comm !<
479	INTEGER, INTENT(OUT), OPTIONAL :: ierr !<
480
481	INTEGER :: mycomm !<
482	INTEGER :: myerr !<
483
484
485	IF ( PRESENT( comm ) ) THEN
486	mycomm = comm
487	ELSE
488	mycomm = m_model_comm
489	ENDIF
490
491	CALL MPI_BCAST( buf, 1, MPI_INTEGER, root_pe, mycomm, myerr )
492
493	IF ( PRESENT( ierr ) ) THEN
494	ierr = myerr
495	ENDIF
496
497	END SUBROUTINE pmc_bcast_integer
498
499
500
501	SUBROUTINE pmc_bcast_character( buf, root_pe, comm, ierr )
502
503	IMPLICIT NONE
504
505	CHARACTER(LEN=*), INTENT(INOUT) :: buf !<
506	INTEGER, INTENT(IN) :: root_pe !<
507	INTEGER, INTENT(IN), OPTIONAL :: comm !<
508	INTEGER, INTENT(OUT), OPTIONAL :: ierr !<
509
510	INTEGER :: mycomm !<
511	INTEGER :: myerr !<
512
513	IF ( PRESENT( comm ) ) THEN
514	mycomm = comm
515	ELSE
516	mycomm = m_model_comm
517	ENDIF
518
519	CALL MPI_BCAST( buf, LEN(buf), MPI_CHARACTER, root_pe, mycomm, myerr )
520
521	IF ( PRESENT( ierr ) ) THEN
522	ierr = myerr
523	ENDIF
524
525	END SUBROUTINE pmc_bcast_character
526
527
528
529	SUBROUTINE pmc_inter_bcast_integer_1( buf, child_id, ierr )
530
531	IMPLICIT NONE
532
533	INTEGER, INTENT(INOUT),DIMENSION(:) :: buf !<
534	INTEGER, INTENT(IN),optional :: child_id !<
535	INTEGER, INTENT(OUT),optional :: ierr !<
536
537	INTEGER :: mycomm !<
538	INTEGER :: myerr !<
539	INTEGER :: root_pe !<
540
541	!
542	!-- PE 0 on parent broadcast to all child PEs
543	IF ( PRESENT( child_id ) ) THEN
544
545	mycomm = m_to_child_comm(child_id)
546
547	IF ( m_model_rank == 0 ) THEN
548	root_pe = MPI_ROOT
549	ELSE
550	root_pe = MPI_PROC_NULL
551	ENDIF
552
553	ELSE
554	mycomm = m_to_parent_comm
555	root_pe = 0
556	ENDIF
557
558	CALL MPI_BCAST( buf, SIZE( buf ), MPI_INTEGER, root_pe, mycomm, myerr )
559
560	IF ( PRESENT( ierr ) ) THEN
561	ierr = myerr
562	ENDIF
563
564	END SUBROUTINE pmc_inter_bcast_integer_1
565
566
567
568	SUBROUTINE pmc_alloc_mem_integer_1( iarray, idim1 )
569	!
570	!-- Allocate memory with MPI_ALLOC_MEM using intermediate C-pointer
571
572	IMPLICIT NONE
573
574	INTEGER, DIMENSION(:), POINTER, INTENT(INOUT) :: iarray !<
575	INTEGER, INTENT(IN) :: idim1 !<
576
577	INTEGER, DIMENSION(1) :: ashape !<
578	INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !<
579	INTEGER :: ierr !<
580
581	TYPE(C_PTR) :: p_myind !<
582
583	winsize = idim1 * C_SIZEOF( ierr )
584
585	CALL MPI_ALLOC_MEM( winsize, MPI_INFO_NULL, p_myind, ierr )
586	ashape(1) = idim1
587	CALL C_F_POINTER( p_myind, iarray, ashape )
588
589	END SUBROUTINE pmc_alloc_mem_integer_1
590
591
592
593	SUBROUTINE pmc_alloc_mem_real_1( array, idim1, base_ptr )
594
595	IMPLICIT NONE
596
597	INTEGER(idp), INTENT(IN) :: idim1 !<
598	REAL(KIND=wp), DIMENSION(:), POINTER, INTENT(INOUT) :: array !<
599	TYPE(C_PTR), INTENT(OUT), OPTIONAL :: base_ptr !<
600
601	INTEGER, DIMENSION(1) :: ashape !<
602	INTEGER(KIND=MPI_ADDRESS_KIND) :: winsize !<
603	INTEGER :: ierr !<
604
605	TYPE(C_PTR) :: p_myind !<
606
607	winsize = idim1 * wp
608
609	CALL MPI_ALLOC_MEM( winsize , MPI_INFO_NULL, p_myind, ierr )
610	ashape(1) = idim1
611	CALL C_F_POINTER( p_myind, array, ashape )
612
613	IF ( PRESENT( base_ptr ) ) THEN
614	base_ptr = p_myind
615	ENDIF
616
617	END SUBROUTINE pmc_alloc_mem_Real_1
618
619
620
621	FUNCTION pmc_time()
622
623	REAL(kind=wp) :: pmc_time !<
624
625	pmc_time = MPI_WTIME()
626
627	END FUNCTION pmc_time
628
629	#endif
630	END MODULE pmc_mpi_wrapper

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