1 | #if defined key_mpp_mpi |
---|
2 | #if defined key_sp |
---|
3 | #define mpivar mpi_real |
---|
4 | #else |
---|
5 | #define mpivar mpi_double_precision |
---|
6 | #endif |
---|
7 | #endif |
---|
8 | MODULE obs_mpp |
---|
9 | !!====================================================================== |
---|
10 | !! *** MODULE obs_mpp *** |
---|
11 | !! Observation diagnostics: Various MPP support routines |
---|
12 | !!====================================================================== |
---|
13 | |
---|
14 | !!---------------------------------------------------------------------- |
---|
15 | !! obs_mpp_bcast_integer : Broadcast an integer array from a processor |
---|
16 | !! to all processors |
---|
17 | !! obs_mpp_max_integer : Find maximum on all processors of each |
---|
18 | !! value in an integer on all processors |
---|
19 | !! obs_mpp_find_obs_proc : Find processors which should hold the observations |
---|
20 | !! obs_mpp_sum_integers : Sum an integer array from all processors |
---|
21 | !! obs_mpp_sum_integer : Sum an integer from all processors |
---|
22 | !!---------------------------------------------------------------------- |
---|
23 | !! * Modules used |
---|
24 | USE dom_oce, ONLY : & ! Ocean space and time domain variables |
---|
25 | & nproc, & |
---|
26 | & mig,mjg |
---|
27 | USE mpp_map, ONLY : & |
---|
28 | & mppmap |
---|
29 | USE in_out_manager |
---|
30 | #if defined key_mpp_mpi |
---|
31 | USE lib_mpp, ONLY : & ! MPP library |
---|
32 | & mpi_comm_opa |
---|
33 | #endif |
---|
34 | IMPLICIT NONE |
---|
35 | |
---|
36 | !! * Routine accessibility |
---|
37 | PRIVATE |
---|
38 | |
---|
39 | PUBLIC obs_mpp_bcast_integer, & ! Broadcast an integer array from a proc to all procs |
---|
40 | & obs_mpp_max_integer, & ! Find maximum across processors in an integer array |
---|
41 | & obs_mpp_find_obs_proc, & ! Find processors which should hold the observations |
---|
42 | & obs_mpp_sum_integers, & ! Sum an integer array from all processors |
---|
43 | & obs_mpp_sum_integer, & ! Sum an integer from all processors |
---|
44 | & mpp_alltoall_int, & |
---|
45 | & mpp_alltoallv_int, & |
---|
46 | & mpp_alltoallv_real, & |
---|
47 | & mpp_global_max |
---|
48 | |
---|
49 | CONTAINS |
---|
50 | |
---|
51 | SUBROUTINE obs_mpp_bcast_integer(kvals,kno,kroot) |
---|
52 | !!---------------------------------------------------------------------- |
---|
53 | !! *** ROUTINE obs_mpp_bcast_integer *** |
---|
54 | !! |
---|
55 | !! ** Purpose : Send array kvals to all processors |
---|
56 | !! |
---|
57 | !! ** Method : MPI broadcast |
---|
58 | !! |
---|
59 | !! ** Action : This does only work for MPI. |
---|
60 | !! It does not work for SHMEM. |
---|
61 | !! MPI_COMM_OPA needs to be replace for OASIS4.! |
---|
62 | !! |
---|
63 | !! References : http://www.mpi-forum.org |
---|
64 | !! |
---|
65 | !! History : |
---|
66 | !! ! 06-03 (K. Mogensen) Original code |
---|
67 | !! ! 06-05 (K. Mogensen) Reformatted |
---|
68 | !!---------------------------------------------------------------------- |
---|
69 | |
---|
70 | !! * Arguments |
---|
71 | INTEGER, INTENT(IN) :: kno ! Number of elements in array |
---|
72 | INTEGER, INTENT(IN) :: kroot ! Processor to send data |
---|
73 | INTEGER, DIMENSION(kno), INTENT(INOUT) :: & |
---|
74 | & kvals ! Array to send on kroot, receive for non-kroot |
---|
75 | |
---|
76 | #if defined key_mpp_mpi |
---|
77 | !! * Local declarations |
---|
78 | INTEGER :: ierr |
---|
79 | INCLUDE 'mpif.h' |
---|
80 | |
---|
81 | !----------------------------------------------------------------------- |
---|
82 | ! Call the MPI library to broadcast data |
---|
83 | !----------------------------------------------------------------------- |
---|
84 | CALL mpi_bcast( kvals, kno, mpi_integer, & |
---|
85 | & kroot, mpi_comm_opa, ierr ) |
---|
86 | #elif defined key_mpp_shmem |
---|
87 | error "Only MPI support for MPP in NEMOVAR" |
---|
88 | #endif |
---|
89 | |
---|
90 | END SUBROUTINE obs_mpp_bcast_integer |
---|
91 | |
---|
92 | SUBROUTINE obs_mpp_max_integer( kvals, kno ) |
---|
93 | !!---------------------------------------------------------------------- |
---|
94 | !! *** ROUTINE obs_mpp_bcast_integer *** |
---|
95 | !! |
---|
96 | !! ** Purpose : Find maximum across processors in an integer array. |
---|
97 | !! |
---|
98 | !! ** Method : MPI all reduce. |
---|
99 | !! |
---|
100 | !! ** Action : This does only work for MPI. |
---|
101 | !! It does not work for SHMEM. |
---|
102 | !! MPI_COMM_OPA needs to be replace for OASIS4.! |
---|
103 | !! |
---|
104 | !! References : http://www.mpi-forum.org |
---|
105 | !! |
---|
106 | !! History : |
---|
107 | !! ! 06-03 (K. Mogensen) Original code |
---|
108 | !! ! 06-05 (K. Mogensen) Reformatted |
---|
109 | !!---------------------------------------------------------------------- |
---|
110 | |
---|
111 | !! * Arguments |
---|
112 | INTEGER, INTENT(IN) ::kno ! Number of elements in array |
---|
113 | INTEGER, DIMENSION(kno), INTENT(INOUT) :: & |
---|
114 | & kvals ! Array to send on kroot, receive for non-kroot |
---|
115 | |
---|
116 | #if defined key_mpp_mpi |
---|
117 | !! * Local declarations |
---|
118 | INTEGER :: ierr |
---|
119 | INTEGER, DIMENSION(kno) :: & |
---|
120 | & ivals |
---|
121 | INCLUDE 'mpif.h' |
---|
122 | |
---|
123 | !----------------------------------------------------------------------- |
---|
124 | ! Call the MPI library to find the maximum across processors |
---|
125 | !----------------------------------------------------------------------- |
---|
126 | CALL mpi_allreduce( kvals, ivals, kno, mpi_integer, & |
---|
127 | & mpi_max, mpi_comm_opa, ierr ) |
---|
128 | kvals(:) = ivals(:) |
---|
129 | #elif defined key_mpp_shmem |
---|
130 | error "Only MPI support for MPP in NEMOVAR" |
---|
131 | #endif |
---|
132 | END SUBROUTINE obs_mpp_max_integer |
---|
133 | |
---|
134 | SUBROUTINE obs_mpp_find_obs_proc(kobsp,kobsi,kobsj,kno) |
---|
135 | !!---------------------------------------------------------------------- |
---|
136 | !! *** ROUTINE obs_mpp_find_obs_proc *** |
---|
137 | !! |
---|
138 | !! ** Purpose : From the array kobsp containing the results of the grid |
---|
139 | !! grid search on each processor the processor return a |
---|
140 | !! decision of which processors should hold the observation. |
---|
141 | !! |
---|
142 | !! ** Method : A temporary 2D array holding all the decisions is |
---|
143 | !! constructed using mpi_allgather on each processor. |
---|
144 | !! If more than one processor has found the observation |
---|
145 | !! with the observation in the inner domain gets it |
---|
146 | !! |
---|
147 | !! ** Action : This does only work for MPI. |
---|
148 | !! It does not work for SHMEM. |
---|
149 | !! |
---|
150 | !! References : http://www.mpi-forum.org |
---|
151 | !! |
---|
152 | !! History : |
---|
153 | !! ! 06-07 (K. Mogensen) Original code |
---|
154 | !!---------------------------------------------------------------------- |
---|
155 | |
---|
156 | !! * Arguments |
---|
157 | INTEGER, INTENT(IN) :: kno |
---|
158 | INTEGER, DIMENSION(kno), INTENT(IN) :: & |
---|
159 | & kobsi, & |
---|
160 | & kobsj |
---|
161 | INTEGER, DIMENSION(kno), INTENT(INOUT) :: & |
---|
162 | & kobsp |
---|
163 | |
---|
164 | #if defined key_mpp_mpi |
---|
165 | !! * Local declarations |
---|
166 | INTEGER :: ji |
---|
167 | INTEGER :: jj |
---|
168 | INTEGER :: size |
---|
169 | INTEGER :: ierr |
---|
170 | INTEGER :: iobsip |
---|
171 | INTEGER :: iobsjp |
---|
172 | INTEGER :: num_sus_obs |
---|
173 | INTEGER, DIMENSION(kno) :: & |
---|
174 | & iobsig, & |
---|
175 | & iobsjg |
---|
176 | INTEGER, ALLOCATABLE, DIMENSION(:,:) :: & |
---|
177 | & iobsp, iobsi, iobsj |
---|
178 | |
---|
179 | INCLUDE 'mpif.h' |
---|
180 | |
---|
181 | !----------------------------------------------------------------------- |
---|
182 | ! Call the MPI library to find the maximum accross processors |
---|
183 | !----------------------------------------------------------------------- |
---|
184 | CALL mpi_comm_size( mpi_comm_opa, size, ierr ) |
---|
185 | !----------------------------------------------------------------------- |
---|
186 | ! Convert local grids points to global grid points |
---|
187 | !----------------------------------------------------------------------- |
---|
188 | DO ji = 1, kno |
---|
189 | IF ( ( kobsi(ji) >= 1 ) .AND. ( kobsi(ji) <= jpi ) .AND. & |
---|
190 | & ( kobsj(ji) >= 1 ) .AND. ( kobsj(ji) <= jpj ) ) THEN |
---|
191 | iobsig(ji) = mig( kobsi(ji) ) |
---|
192 | iobsjg(ji) = mjg( kobsj(ji) ) |
---|
193 | ELSE |
---|
194 | iobsig(ji) = -1 |
---|
195 | iobsjg(ji) = -1 |
---|
196 | ENDIF |
---|
197 | END DO |
---|
198 | !----------------------------------------------------------------------- |
---|
199 | ! Get the decisions from all processors |
---|
200 | !----------------------------------------------------------------------- |
---|
201 | ALLOCATE( iobsp(kno,size) ) |
---|
202 | ALLOCATE( iobsi(kno,size) ) |
---|
203 | ALLOCATE( iobsj(kno,size) ) |
---|
204 | CALL mpi_allgather( kobsp, kno, mpi_integer, & |
---|
205 | & iobsp, kno, mpi_integer, & |
---|
206 | & mpi_comm_opa, ierr ) |
---|
207 | CALL mpi_allgather( iobsig, kno, mpi_integer, & |
---|
208 | & iobsi, kno, mpi_integer, & |
---|
209 | & mpi_comm_opa, ierr ) |
---|
210 | CALL mpi_allgather( iobsjg, kno, mpi_integer, & |
---|
211 | & iobsj, kno, mpi_integer, & |
---|
212 | & mpi_comm_opa, ierr ) |
---|
213 | |
---|
214 | !----------------------------------------------------------------------- |
---|
215 | ! Find the processor with observations from the lowest processor |
---|
216 | ! number among processors holding the observation. |
---|
217 | !----------------------------------------------------------------------- |
---|
218 | kobsp(:) = -1 |
---|
219 | num_sus_obs = 0 |
---|
220 | DO ji = 1, kno |
---|
221 | DO jj = 1, size |
---|
222 | IF ( ( kobsp(ji) == -1 ) .AND. ( iobsp(ji,jj) /= -1 ) ) THEN |
---|
223 | kobsp(ji) = iobsp(ji,jj) |
---|
224 | iobsip = iobsi(ji,jj) |
---|
225 | iobsjp = iobsj(ji,jj) |
---|
226 | ENDIF |
---|
227 | IF ( ( kobsp(ji) /= -1 ) .AND. ( iobsp(ji,jj) /= -1 ) ) THEN |
---|
228 | IF ( ( iobsip /= iobsi(ji,jj) ) .OR. & |
---|
229 | & ( iobsjp /= iobsj(ji,jj) ) ) THEN |
---|
230 | IF ( ( kobsp(ji) < 1000000 ) .AND. & |
---|
231 | & ( iobsp(ji,jj) < 1000000 ) ) THEN |
---|
232 | num_sus_obs=num_sus_obs+1 |
---|
233 | ENDIF |
---|
234 | ENDIF |
---|
235 | IF ( mppmap(iobsip,iobsjp) /= ( kobsp(ji)+1 ) ) THEN |
---|
236 | IF ( ( iobsi(ji,jj) /= -1 ) .AND. & |
---|
237 | & ( iobsj(ji,jj) /= -1 ) ) THEN |
---|
238 | IF ((mppmap(iobsi(ji,jj),iobsj(ji,jj)) == (iobsp(ji,jj)+1))& |
---|
239 | & .OR. ( iobsp(ji,jj) < kobsp(ji) ) ) THEN |
---|
240 | kobsp(ji) = iobsp(ji,jj) |
---|
241 | iobsip = iobsi(ji,jj) |
---|
242 | iobsjp = iobsj(ji,jj) |
---|
243 | ENDIF |
---|
244 | ENDIF |
---|
245 | ENDIF |
---|
246 | ENDIF |
---|
247 | END DO |
---|
248 | END DO |
---|
249 | IF (lwp) WRITE(numout,*) 'Number of suspicious observations: ',num_sus_obs |
---|
250 | |
---|
251 | DEALLOCATE( iobsj ) |
---|
252 | DEALLOCATE( iobsi ) |
---|
253 | DEALLOCATE( iobsp ) |
---|
254 | #elif defined key_mpp_shmem |
---|
255 | error "Only MPI support for MPP in NEMOVAR" |
---|
256 | #endif |
---|
257 | |
---|
258 | END SUBROUTINE obs_mpp_find_obs_proc |
---|
259 | |
---|
260 | SUBROUTINE obs_mpp_sum_integers( kvalsin, kvalsout, kno ) |
---|
261 | !!---------------------------------------------------------------------- |
---|
262 | !! *** ROUTINE obs_mpp_sum_integers *** |
---|
263 | !! |
---|
264 | !! ** Purpose : Sum an integer array. |
---|
265 | !! |
---|
266 | !! ** Method : MPI all reduce. |
---|
267 | !! |
---|
268 | !! ** Action : This does only work for MPI. |
---|
269 | !! It does not work for SHMEM. |
---|
270 | !! |
---|
271 | !! References : http://www.mpi-forum.org |
---|
272 | !! |
---|
273 | !! History : |
---|
274 | !! ! 06-07 (K. Mogensen) Original code |
---|
275 | !!---------------------------------------------------------------------- |
---|
276 | |
---|
277 | !! * Arguments |
---|
278 | INTEGER, INTENT(IN) :: kno |
---|
279 | INTEGER, DIMENSION(kno), INTENT(IN) :: & |
---|
280 | & kvalsin |
---|
281 | INTEGER, DIMENSION(kno), INTENT(OUT) :: & |
---|
282 | & kvalsout |
---|
283 | |
---|
284 | #if defined key_mpp_mpi |
---|
285 | !! * Local declarations |
---|
286 | INTEGER :: ierr |
---|
287 | INCLUDE 'mpif.h' |
---|
288 | |
---|
289 | !----------------------------------------------------------------------- |
---|
290 | ! Call the MPI library to find the sum across processors |
---|
291 | !----------------------------------------------------------------------- |
---|
292 | CALL mpi_allreduce( kvalsin, kvalsout, kno, mpi_integer, & |
---|
293 | & mpi_sum, mpi_comm_opa, ierr ) |
---|
294 | #elif defined key_mpp_shmem |
---|
295 | error "Only MPI support for MPP in NEMOVAR" |
---|
296 | #else |
---|
297 | |
---|
298 | !----------------------------------------------------------------------- |
---|
299 | ! For no-MPP just return input values |
---|
300 | !----------------------------------------------------------------------- |
---|
301 | kvalsout(:) = kvalsin(:) |
---|
302 | #endif |
---|
303 | |
---|
304 | END SUBROUTINE obs_mpp_sum_integers |
---|
305 | |
---|
306 | SUBROUTINE obs_mpp_sum_integer( kvalin, kvalout ) |
---|
307 | !!---------------------------------------------------------------------- |
---|
308 | !! *** ROUTINE obs_mpp_sum_integers *** |
---|
309 | !! |
---|
310 | !! ** Purpose : Sum a single integer |
---|
311 | !! |
---|
312 | !! ** Method : MPI all reduce. |
---|
313 | !! |
---|
314 | !! ** Action : This does only work for MPI. |
---|
315 | !! It does not work for SHMEM. |
---|
316 | !! |
---|
317 | !! References : http://www.mpi-forum.org |
---|
318 | !! |
---|
319 | !! History : |
---|
320 | !! ! 06-07 (K. Mogensen) Original code |
---|
321 | !!---------------------------------------------------------------------- |
---|
322 | |
---|
323 | !! * Arguments |
---|
324 | INTEGER, INTENT(IN) :: kvalin |
---|
325 | INTEGER, INTENT(OUT) :: kvalout |
---|
326 | |
---|
327 | #if defined key_mpp_mpi |
---|
328 | !! * Local declarations |
---|
329 | INTEGER :: ierr |
---|
330 | INCLUDE 'mpif.h' |
---|
331 | |
---|
332 | !----------------------------------------------------------------------- |
---|
333 | ! Call the MPI library to find the sum across processors |
---|
334 | !----------------------------------------------------------------------- |
---|
335 | CALL mpi_allreduce( kvalin, kvalout, 1, mpi_integer, & |
---|
336 | & mpi_sum, mpi_comm_opa, ierr ) |
---|
337 | #elif defined key_mpp_shmem |
---|
338 | error "Only MPI support for MPP in NEMOVAR" |
---|
339 | #else |
---|
340 | |
---|
341 | !----------------------------------------------------------------------- |
---|
342 | ! For no-MPP just return input values |
---|
343 | !----------------------------------------------------------------------- |
---|
344 | kvalout = kvalin |
---|
345 | #endif |
---|
346 | END SUBROUTINE obs_mpp_sum_integer |
---|
347 | |
---|
348 | SUBROUTINE mpp_global_max( pval ) |
---|
349 | !!---------------------------------------------------------------------- |
---|
350 | !! *** ROUTINE mpp_global_or *** |
---|
351 | !! |
---|
352 | !! ** Purpose : Get the maximum value across processors for a global |
---|
353 | !! real array |
---|
354 | !! |
---|
355 | !! ** Method : MPI allreduce |
---|
356 | !! |
---|
357 | !! ** Action : This does only work for MPI. |
---|
358 | !! It does not work for SHMEM. |
---|
359 | !! |
---|
360 | !! References : http://www.mpi-forum.org |
---|
361 | !! |
---|
362 | !! History : |
---|
363 | !! ! 08-01 (K. Mogensen) Original code |
---|
364 | !!---------------------------------------------------------------------- |
---|
365 | |
---|
366 | !! * Arguments |
---|
367 | REAL(KIND=wp), DIMENSION(jpiglo,jpjglo), INTENT(INOUT) :: & |
---|
368 | & pval |
---|
369 | !! * Local declarations |
---|
370 | INTEGER :: ierr |
---|
371 | #if defined key_mpp_mpi |
---|
372 | INCLUDE 'mpif.h' |
---|
373 | REAL(KIND=wp), DIMENSION(:,:), ALLOCATABLE :: & |
---|
374 | & zcp |
---|
375 | |
---|
376 | ! Copy data for input to MPI |
---|
377 | |
---|
378 | ALLOCATE( & |
---|
379 | & zcp(jpiglo,jpjglo) & |
---|
380 | & ) |
---|
381 | zcp(:,:) = pval(:,:) |
---|
382 | |
---|
383 | ! Call the MPI library to find the coast lines globally |
---|
384 | |
---|
385 | CALL mpi_allreduce( zcp, pval, jpiglo*jpjglo, mpivar, & |
---|
386 | & mpi_max, mpi_comm_opa, ierr ) |
---|
387 | |
---|
388 | DEALLOCATE( & |
---|
389 | & zcp & |
---|
390 | & ) |
---|
391 | |
---|
392 | #elif defined key_mpp_shmem |
---|
393 | error "Only MPI support for MPP in NEMOVAR" |
---|
394 | #endif |
---|
395 | |
---|
396 | END SUBROUTINE mpp_global_max |
---|
397 | |
---|
398 | SUBROUTINE mpp_alltoall_int( kno, kvalsin, kvalsout ) |
---|
399 | !!---------------------------------------------------------------------- |
---|
400 | !! *** ROUTINE mpp_allgatherv *** |
---|
401 | !! |
---|
402 | !! ** Purpose : all to all. |
---|
403 | !! |
---|
404 | !! ** Method : MPI alltoall |
---|
405 | !! |
---|
406 | !! ** Action : This does only work for MPI. |
---|
407 | !! It does not work for SHMEM. |
---|
408 | !! |
---|
409 | !! References : http://www.mpi-forum.org |
---|
410 | !! |
---|
411 | !! History : |
---|
412 | !! ! 06-09 (K. Mogensen) Original code |
---|
413 | !!---------------------------------------------------------------------- |
---|
414 | |
---|
415 | !! * Arguments |
---|
416 | INTEGER, INTENT(IN) :: kno |
---|
417 | INTEGER, DIMENSION(kno*jpnij), INTENT(IN) :: & |
---|
418 | & kvalsin |
---|
419 | INTEGER, DIMENSION(kno*jpnij), INTENT(OUT) :: & |
---|
420 | & kvalsout |
---|
421 | !! * Local declarations |
---|
422 | INTEGER :: ierr |
---|
423 | #if defined key_mpp_mpi |
---|
424 | INCLUDE 'mpif.h' |
---|
425 | !----------------------------------------------------------------------- |
---|
426 | ! Call the MPI library to do the all to all operation of the data |
---|
427 | !----------------------------------------------------------------------- |
---|
428 | CALL mpi_alltoall( kvalsin, kno, mpi_integer, & |
---|
429 | & kvalsout, kno, mpi_integer, & |
---|
430 | & mpi_comm_opa, ierr ) |
---|
431 | #elif defined key_mpp_shmem |
---|
432 | error "Only MPI support for MPP in NEMOVAR" |
---|
433 | #else |
---|
434 | !----------------------------------------------------------------------- |
---|
435 | ! For no-MPP just return input values |
---|
436 | !----------------------------------------------------------------------- |
---|
437 | kvalsout = kvalsin |
---|
438 | #endif |
---|
439 | |
---|
440 | END SUBROUTINE mpp_alltoall_int |
---|
441 | |
---|
442 | SUBROUTINE mpp_alltoallv_int( kvalsin, knoin, kinv, kvalsout, & |
---|
443 | & knoout, koutv ) |
---|
444 | !!---------------------------------------------------------------------- |
---|
445 | !! *** ROUTINE mpp_alltoallv_int *** |
---|
446 | !! |
---|
447 | !! ** Purpose : all to all (integer version). |
---|
448 | !! |
---|
449 | !! ** Method : MPI alltoall |
---|
450 | !! |
---|
451 | !! ** Action : This does only work for MPI. |
---|
452 | !! It does not work for SHMEM. |
---|
453 | !! |
---|
454 | !! References : http://www.mpi-forum.org |
---|
455 | !! |
---|
456 | !! History : |
---|
457 | !! ! 06-09 (K. Mogensen) Original code |
---|
458 | !!---------------------------------------------------------------------- |
---|
459 | |
---|
460 | !! * Arguments |
---|
461 | INTEGER, INTENT(IN) :: knoin |
---|
462 | INTEGER, INTENT(IN) :: knoout |
---|
463 | INTEGER, DIMENSION(jpnij) :: & |
---|
464 | & kinv, & |
---|
465 | & koutv |
---|
466 | INTEGER, DIMENSION(knoin), INTENT(IN) :: & |
---|
467 | & kvalsin |
---|
468 | INTEGER, DIMENSION(knoout), INTENT(OUT) :: & |
---|
469 | & kvalsout |
---|
470 | !! * Local declarations |
---|
471 | INTEGER :: ierr |
---|
472 | INTEGER :: jproc |
---|
473 | #if defined key_mpp_mpi |
---|
474 | INCLUDE 'mpif.h' |
---|
475 | INTEGER, DIMENSION(jpnij) :: & |
---|
476 | & irdsp, & |
---|
477 | & isdsp |
---|
478 | !----------------------------------------------------------------------- |
---|
479 | ! Compute displacements |
---|
480 | !----------------------------------------------------------------------- |
---|
481 | irdsp(1) = 0 |
---|
482 | isdsp(1) = 0 |
---|
483 | DO jproc = 2, jpnij |
---|
484 | isdsp(jproc) = isdsp(jproc-1) + kinv(jproc-1) |
---|
485 | irdsp(jproc) = irdsp(jproc-1) + koutv(jproc-1) |
---|
486 | END DO |
---|
487 | !----------------------------------------------------------------------- |
---|
488 | ! Call the MPI library to do the all to all operation of the data |
---|
489 | !----------------------------------------------------------------------- |
---|
490 | CALL mpi_alltoallv( kvalsin, kinv, isdsp, mpi_integer, & |
---|
491 | & kvalsout, koutv, irdsp, mpi_integer, & |
---|
492 | & mpi_comm_opa, ierr ) |
---|
493 | #elif defined key_mpp_shmem |
---|
494 | error "Only MPI support for MPP in NEMOVAR" |
---|
495 | #else |
---|
496 | !----------------------------------------------------------------------- |
---|
497 | ! For no-MPP just return input values |
---|
498 | !----------------------------------------------------------------------- |
---|
499 | kvalsout = kvalsin |
---|
500 | #endif |
---|
501 | |
---|
502 | END SUBROUTINE mpp_alltoallv_int |
---|
503 | |
---|
504 | SUBROUTINE mpp_alltoallv_real( pvalsin, knoin, kinv, pvalsout, & |
---|
505 | & knoout, koutv ) |
---|
506 | !!---------------------------------------------------------------------- |
---|
507 | !! *** ROUTINE mpp_alltoallv_real *** |
---|
508 | !! |
---|
509 | !! ** Purpose : all to all (integer version). |
---|
510 | !! |
---|
511 | !! ** Method : MPI alltoall |
---|
512 | !! |
---|
513 | !! ** Action : This does only work for MPI. |
---|
514 | !! It does not work for SHMEM. |
---|
515 | !! |
---|
516 | !! References : http://www.mpi-forum.org |
---|
517 | !! |
---|
518 | !! History : |
---|
519 | !! ! 06-09 (K. Mogensen) Original code |
---|
520 | !!---------------------------------------------------------------------- |
---|
521 | |
---|
522 | !! * Arguments |
---|
523 | INTEGER, INTENT(IN) :: knoin |
---|
524 | INTEGER, INTENT(IN) :: knoout |
---|
525 | INTEGER, DIMENSION(jpnij) :: & |
---|
526 | & kinv, & |
---|
527 | & koutv |
---|
528 | REAL(KIND=wp), DIMENSION(knoin), INTENT(IN) :: & |
---|
529 | & pvalsin |
---|
530 | REAL(KIND=wp), DIMENSION(knoout), INTENT(OUT) :: & |
---|
531 | & pvalsout |
---|
532 | !! * Local declarations |
---|
533 | INTEGER :: ierr |
---|
534 | INTEGER :: jproc |
---|
535 | #if defined key_mpp_mpi |
---|
536 | INCLUDE 'mpif.h' |
---|
537 | INTEGER, DIMENSION(jpnij) :: & |
---|
538 | & irdsp, & |
---|
539 | & isdsp |
---|
540 | !----------------------------------------------------------------------- |
---|
541 | ! Compute displacements |
---|
542 | !----------------------------------------------------------------------- |
---|
543 | irdsp(1) = 0 |
---|
544 | isdsp(1) = 0 |
---|
545 | DO jproc = 2, jpnij |
---|
546 | isdsp(jproc) = isdsp(jproc-1) + kinv(jproc-1) |
---|
547 | irdsp(jproc) = irdsp(jproc-1) + koutv(jproc-1) |
---|
548 | END DO |
---|
549 | !----------------------------------------------------------------------- |
---|
550 | ! Call the MPI library to do the all to all operation of the data |
---|
551 | !----------------------------------------------------------------------- |
---|
552 | CALL mpi_alltoallv( pvalsin, kinv, isdsp, mpivar, & |
---|
553 | & pvalsout, koutv, irdsp, mpivar, & |
---|
554 | & mpi_comm_opa, ierr ) |
---|
555 | #elif defined key_mpp_shmem |
---|
556 | error "Only MPI support for MPP in NEMOVAR" |
---|
557 | #else |
---|
558 | !----------------------------------------------------------------------- |
---|
559 | ! For no-MPP just return input values |
---|
560 | !----------------------------------------------------------------------- |
---|
561 | pvalsout = pvalsin |
---|
562 | #endif |
---|
563 | |
---|
564 | END SUBROUTINE mpp_alltoallv_real |
---|
565 | |
---|
566 | END MODULE obs_mpp |
---|