source: LMDZ6/trunk/libf/phy_common/mod_phys_lmdz_omp_transfert.F90 @ 5091

Last change on this file since 5091 was 5058, checked in by abarral, 4 months ago

Remove dangling public declaration

  • Property copyright set to
    Name of program: LMDZ
    Creation date: 1984
    Version: LMDZ5
    License: CeCILL version 2
    Holder: Laboratoire de m\'et\'eorologie dynamique, CNRS, UMR 8539
    See the license file in the root directory
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 28.6 KB
Line 
1!
2!$Header$
3!
4MODULE mod_phys_lmdz_omp_transfert
5
6  PRIVATE
7 
8  REAL,PARAMETER :: grow_factor=1.5
9  INTEGER,PARAMETER :: size_min=1024
10 
11  CHARACTER(LEN=size_min),SAVE            :: buffer_c
12!  INTEGER,SAVE                            :: size_c=0
13  INTEGER,SAVE,ALLOCATABLE,DIMENSION(:)   :: buffer_i
14  INTEGER,SAVE                            :: size_i=0
15  REAL,SAVE,ALLOCATABLE,DIMENSION(:)      :: buffer_r
16  INTEGER,SAVE                            :: size_r=0
17  LOGICAL,SAVE,ALLOCATABLE,DIMENSION(:)   :: buffer_l
18  INTEGER,SAVE                            :: size_l=0
19
20
21 
22 
23  INTERFACE bcast_omp
24    MODULE PROCEDURE bcast_omp_c,                                                     &
25                     bcast_omp_i,bcast_omp_i1,bcast_omp_i2,bcast_omp_i3,bcast_omp_i4, &
26                     bcast_omp_r,bcast_omp_r1,bcast_omp_r2,bcast_omp_r3,bcast_omp_r4, &
27                     bcast_omp_l,bcast_omp_l1,bcast_omp_l2,bcast_omp_l3,bcast_omp_l4
28  END INTERFACE
29
30  INTERFACE scatter_omp
31    MODULE PROCEDURE scatter_omp_i,scatter_omp_i1,scatter_omp_i2,scatter_omp_i3, &
32                     scatter_omp_r,scatter_omp_r1,scatter_omp_r2,scatter_omp_r3, &
33                     scatter_omp_l,scatter_omp_l1,scatter_omp_l2,scatter_omp_l3
34  END INTERFACE
35
36 
37  INTERFACE gather_omp
38    MODULE PROCEDURE gather_omp_i,gather_omp_i1,gather_omp_i2,gather_omp_i3, &
39                     gather_omp_r,gather_omp_r1,gather_omp_r2,gather_omp_r3, &
40                     gather_omp_l,gather_omp_l1,gather_omp_l2,gather_omp_l3 
41  END INTERFACE
42 
43 
44  INTERFACE reduce_sum_omp
45    MODULE PROCEDURE reduce_sum_omp_i,reduce_sum_omp_i1,reduce_sum_omp_i2,reduce_sum_omp_i3,reduce_sum_omp_i4, &
46                     reduce_sum_omp_r,reduce_sum_omp_r1,reduce_sum_omp_r2,reduce_sum_omp_r3,reduce_sum_omp_r4
47  END INTERFACE
48
49  INTERFACE reduce_min_omp
50    MODULE PROCEDURE reduce_min_omp_i,reduce_min_omp_i1,reduce_min_omp_i2,reduce_min_omp_i3,reduce_min_omp_i4, &
51                     reduce_min_omp_r,reduce_min_omp_r1,reduce_min_omp_r2,reduce_min_omp_r3,reduce_min_omp_r4
52  END INTERFACE
53
54
55  PUBLIC bcast_omp,scatter_omp,gather_omp,reduce_sum_omp, reduce_min_omp
56
57CONTAINS
58 
59  SUBROUTINE check_buffer_i(buff_size)
60  IMPLICIT NONE
61  INTEGER :: buff_size
62
63!$OMP BARRIER
64!$OMP MASTER
65    IF (buff_size>size_i) THEN
66      IF (ALLOCATED(buffer_i)) DEALLOCATE(buffer_i)
67      size_i=MAX(size_min,INT(grow_factor*buff_size))
68      ALLOCATE(buffer_i(size_i))
69    ENDIF
70!$OMP END MASTER
71!$OMP BARRIER
72 
73  END SUBROUTINE check_buffer_i
74 
75  SUBROUTINE check_buffer_r(buff_size)
76  IMPLICIT NONE
77  INTEGER :: buff_size
78
79!$OMP BARRIER
80!$OMP MASTER
81    IF (buff_size>size_r) THEN
82      IF (ALLOCATED(buffer_r)) DEALLOCATE(buffer_r)
83      size_r=MAX(size_min,INT(grow_factor*buff_size))
84      ALLOCATE(buffer_r(size_r))
85    ENDIF
86!$OMP END MASTER
87!$OMP BARRIER
88 
89  END SUBROUTINE check_buffer_r
90 
91  SUBROUTINE check_buffer_l(buff_size)
92  IMPLICIT NONE
93  INTEGER :: buff_size
94
95!$OMP BARRIER
96!$OMP MASTER
97    IF (buff_size>size_l) THEN
98      IF (ALLOCATED(buffer_l)) DEALLOCATE(buffer_l)
99      size_l=MAX(size_min,INT(grow_factor*buff_size))
100      ALLOCATE(buffer_l(size_l))
101    ENDIF
102!$OMP END MASTER
103!$OMP BARRIER
104 
105  END SUBROUTINE check_buffer_l
106   
107!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
108!! Definition des Broadcast --> 4D   !!
109!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
110
111!! -- Les chaine de charact�re -- !!
112
113  SUBROUTINE bcast_omp_c(var)
114  IMPLICIT NONE
115    CHARACTER(LEN=*),INTENT(INOUT) :: Var
116   
117    CALL bcast_omp_cgen(Var,len(Var),buffer_c)
118   
119  END SUBROUTINE bcast_omp_c
120
121!! -- Les entiers -- !!
122 
123  SUBROUTINE bcast_omp_i(var)
124  IMPLICIT NONE
125    INTEGER,INTENT(INOUT) :: Var
126    INTEGER :: Var_tmp(1)
127   
128    Var_tmp(1)=Var
129    CALL check_buffer_i(1)
130    CALL bcast_omp_igen(Var_tmp,1,buffer_i)
131    Var=Var_tmp(1)
132
133  END SUBROUTINE bcast_omp_i
134
135
136  SUBROUTINE bcast_omp_i1(var)
137  IMPLICIT NONE
138    INTEGER,INTENT(INOUT) :: Var(:)
139   
140    CALL check_buffer_i(size(Var))
141    CALL bcast_omp_igen(Var,size(Var),buffer_i)
142
143  END SUBROUTINE bcast_omp_i1
144
145
146  SUBROUTINE bcast_omp_i2(var)
147  IMPLICIT NONE
148    INTEGER,INTENT(INOUT) :: Var(:,:)
149   
150    CALL check_buffer_i(size(Var))
151    CALL bcast_omp_igen(Var,size(Var),buffer_i)
152
153  END SUBROUTINE bcast_omp_i2
154
155
156  SUBROUTINE bcast_omp_i3(var)
157  IMPLICIT NONE
158    INTEGER,INTENT(INOUT) :: Var(:,:,:)
159
160    CALL check_buffer_i(size(Var))
161    CALL bcast_omp_igen(Var,size(Var),buffer_i)
162
163  END SUBROUTINE bcast_omp_i3
164
165
166  SUBROUTINE bcast_omp_i4(var)
167  IMPLICIT NONE
168    INTEGER,INTENT(INOUT) :: Var(:,:,:,:)
169   
170    CALL check_buffer_i(size(Var))
171    CALL bcast_omp_igen(Var,size(Var),buffer_i)
172
173  END SUBROUTINE bcast_omp_i4
174
175
176!! -- Les reels -- !!
177
178  SUBROUTINE bcast_omp_r(var)
179  IMPLICIT NONE
180    REAL,INTENT(INOUT) :: Var
181    REAL :: Var_tmp(1)
182   
183    Var_tmp(1)=Var
184    CALL check_buffer_r(1)
185    CALL bcast_omp_rgen(Var_tmp,1,buffer_r)
186    Var=Var_tmp(1)
187
188  END SUBROUTINE bcast_omp_r
189
190
191  SUBROUTINE bcast_omp_r1(var)
192  IMPLICIT NONE
193    REAL,INTENT(INOUT) :: Var(:)
194   
195    CALL check_buffer_r(size(Var))
196    CALL bcast_omp_rgen(Var,size(Var),buffer_r)
197
198  END SUBROUTINE bcast_omp_r1
199
200
201  SUBROUTINE bcast_omp_r2(var)
202  IMPLICIT NONE
203    REAL,INTENT(INOUT) :: Var(:,:)
204   
205    CALL check_buffer_r(size(Var))
206    CALL bcast_omp_rgen(Var,size(Var),buffer_r)
207
208  END SUBROUTINE bcast_omp_r2
209
210
211  SUBROUTINE bcast_omp_r3(var)
212  IMPLICIT NONE
213    REAL,INTENT(INOUT) :: Var(:,:,:)
214
215    CALL check_buffer_r(size(Var))
216    CALL bcast_omp_rgen(Var,size(Var),buffer_r)
217
218  END SUBROUTINE bcast_omp_r3
219
220
221  SUBROUTINE bcast_omp_r4(var)
222  IMPLICIT NONE
223    REAL,INTENT(INOUT) :: Var(:,:,:,:)
224   
225    CALL check_buffer_r(size(Var))
226    CALL bcast_omp_rgen(Var,size(Var),buffer_r)
227
228  END SUBROUTINE bcast_omp_r4
229
230 
231!! -- Les booleans -- !!
232
233  SUBROUTINE bcast_omp_l(var)
234  IMPLICIT NONE
235    LOGICAL,INTENT(INOUT) :: Var
236    LOGICAL :: Var_tmp(1)
237   
238    Var_tmp(1)=Var
239    CALL check_buffer_l(1)
240    CALL bcast_omp_lgen(Var_tmp,1,buffer_l)
241    Var=Var_tmp(1)
242
243  END SUBROUTINE bcast_omp_l
244
245
246  SUBROUTINE bcast_omp_l1(var)
247  IMPLICIT NONE
248    LOGICAL,INTENT(INOUT) :: Var(:)
249   
250    CALL check_buffer_l(size(Var))
251    CALL bcast_omp_lgen(Var,size(Var),buffer_l)
252
253  END SUBROUTINE bcast_omp_l1
254
255
256  SUBROUTINE bcast_omp_l2(var)
257  IMPLICIT NONE
258    LOGICAL,INTENT(INOUT) :: Var(:,:)
259   
260    CALL check_buffer_l(size(Var))
261    CALL bcast_omp_lgen(Var,size(Var),buffer_l)
262
263  END SUBROUTINE bcast_omp_l2
264
265
266  SUBROUTINE bcast_omp_l3(var)
267  IMPLICIT NONE
268    LOGICAL,INTENT(INOUT) :: Var(:,:,:)
269
270    CALL check_buffer_l(size(Var))
271    CALL bcast_omp_lgen(Var,size(Var),buffer_l)
272
273  END SUBROUTINE bcast_omp_l3
274
275
276  SUBROUTINE bcast_omp_l4(var)
277  IMPLICIT NONE
278    LOGICAL,INTENT(INOUT) :: Var(:,:,:,:)
279   
280    CALL check_buffer_l(size(Var))
281    CALL bcast_omp_lgen(Var,size(Var),buffer_l)
282
283  END SUBROUTINE bcast_omp_l4
284
285
286
287!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
288!! Definition des Scatter   --> 4D   !!
289!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
290
291  SUBROUTINE scatter_omp_i(VarIn, VarOut)
292    IMPLICIT NONE
293 
294    INTEGER,INTENT(IN),DIMENSION(:) :: VarIn
295    INTEGER,INTENT(OUT),DIMENSION(:) :: VarOut
296
297    CALL Check_buffer_i(size(VarIn))   
298    CALL scatter_omp_igen(VarIn,Varout,1,buffer_i)
299   
300  END SUBROUTINE scatter_omp_i
301
302
303  SUBROUTINE scatter_omp_i1(VarIn, VarOut)
304    IMPLICIT NONE
305 
306    INTEGER,INTENT(IN),DIMENSION(:,:) :: VarIn
307    INTEGER,INTENT(OUT),DIMENSION(:,:) :: VarOut
308
309    CALL Check_buffer_i(size(VarIn))   
310    CALL scatter_omp_igen(VarIn,Varout,Size(VarOut,2),buffer_i)
311   
312  END SUBROUTINE scatter_omp_i1
313 
314 
315  SUBROUTINE scatter_omp_i2(VarIn, VarOut)
316    IMPLICIT NONE
317 
318    INTEGER,INTENT(IN),DIMENSION(:,:,:) :: VarIn
319    INTEGER,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
320   
321    CALL Check_buffer_i(size(VarIn))   
322    CALL scatter_omp_igen(VarIn,Varout,Size(VarOut,2)*Size(VarOut,3),buffer_i)
323
324  END SUBROUTINE scatter_omp_i2
325
326
327  SUBROUTINE scatter_omp_i3(VarIn, VarOut)
328    IMPLICIT NONE
329 
330    INTEGER,INTENT(IN),DIMENSION(:,:,:,:) :: VarIn
331    INTEGER,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
332   
333    CALL Check_buffer_i(size(VarIn))   
334    CALL scatter_omp_igen(VarIn,Varout,Size(VarOut,2)*Size(VarOut,3)*Size(VarOut,4),buffer_i)
335 
336  END SUBROUTINE scatter_omp_i3
337
338
339
340
341  SUBROUTINE scatter_omp_r(VarIn, VarOut)
342    IMPLICIT NONE
343 
344    REAL,INTENT(IN),DIMENSION(:) :: VarIn
345    REAL,INTENT(OUT),DIMENSION(:) :: VarOut
346
347    CALL Check_buffer_r(size(VarIn))   
348    CALL scatter_omp_rgen(VarIn,Varout,1,buffer_r)
349   
350  END SUBROUTINE scatter_omp_r
351
352
353  SUBROUTINE scatter_omp_r1(VarIn, VarOut)
354    IMPLICIT NONE
355 
356    REAL,INTENT(IN),DIMENSION(:,:) :: VarIn
357    REAL,INTENT(OUT),DIMENSION(:,:) :: VarOut
358   
359    CALL Check_buffer_r(size(VarIn))   
360    CALL scatter_omp_rgen(VarIn,Varout,Size(VarOut,2),buffer_r)
361       
362  END SUBROUTINE scatter_omp_r1
363 
364 
365  SUBROUTINE scatter_omp_r2(VarIn, VarOut)
366    IMPLICIT NONE
367 
368    REAL,INTENT(IN),DIMENSION(:,:,:) :: VarIn
369    REAL,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
370   
371    CALL Check_buffer_r(size(VarIn))   
372    CALL scatter_omp_rgen(VarIn,Varout,Size(VarOut,2)*Size(VarOut,3),buffer_r)
373
374  END SUBROUTINE scatter_omp_r2
375
376
377  SUBROUTINE scatter_omp_r3(VarIn, VarOut)
378    IMPLICIT NONE
379 
380    REAL,INTENT(IN),DIMENSION(:,:,:,:) :: VarIn
381    REAL,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
382   
383    CALL Check_buffer_r(size(VarIn))   
384    CALL scatter_omp_rgen(VarIn,Varout,Size(VarOut,2)*Size(VarOut,3)*Size(VarOut,4),buffer_r)
385 
386  END SUBROUTINE scatter_omp_r3
387 
388
389
390  SUBROUTINE scatter_omp_l(VarIn, VarOut)
391    IMPLICIT NONE
392 
393    LOGICAL,INTENT(IN),DIMENSION(:) :: VarIn
394    LOGICAL,INTENT(OUT),DIMENSION(:) :: VarOut
395
396    CALL Check_buffer_l(size(VarIn))   
397    CALL scatter_omp_lgen(VarIn,Varout,1,buffer_l)
398   
399  END SUBROUTINE scatter_omp_l
400
401
402  SUBROUTINE scatter_omp_l1(VarIn, VarOut)
403    IMPLICIT NONE
404 
405    LOGICAL,INTENT(IN),DIMENSION(:,:) :: VarIn
406    LOGICAL,INTENT(OUT),DIMENSION(:,:) :: VarOut
407   
408    CALL Check_buffer_l(size(VarIn))   
409    CALL scatter_omp_lgen(VarIn,Varout,Size(VarOut,2),buffer_l)
410   
411  END SUBROUTINE scatter_omp_l1
412 
413 
414  SUBROUTINE scatter_omp_l2(VarIn, VarOut)
415    IMPLICIT NONE
416 
417    LOGICAL,INTENT(IN),DIMENSION(:,:,:) :: VarIn
418    LOGICAL,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
419   
420    CALL Check_buffer_l(size(VarIn))   
421    CALL scatter_omp_lgen(VarIn,Varout,Size(VarOut,2)*Size(VarOut,3),buffer_l)
422
423  END SUBROUTINE scatter_omp_l2
424
425
426  SUBROUTINE scatter_omp_l3(VarIn, VarOut)
427    IMPLICIT NONE
428 
429    LOGICAL,INTENT(IN),DIMENSION(:,:,:,:) :: VarIn
430    LOGICAL,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
431   
432    CALL Check_buffer_l(size(VarIn))   
433    CALL scatter_omp_lgen(VarIn,Varout,Size(VarOut,2)*Size(VarOut,3)*Size(VarOut,4),buffer_l)
434 
435  END SUBROUTINE scatter_omp_l3 
436 
437
438  SUBROUTINE gather_omp_i(VarIn, VarOut)
439    IMPLICIT NONE
440 
441    INTEGER,INTENT(IN),DIMENSION(:) :: VarIn
442    INTEGER,INTENT(OUT),DIMENSION(:) :: VarOut
443
444    CALL Check_buffer_i(size(VarOut))   
445    CALL gather_omp_igen(VarIn,Varout,1,buffer_i)
446   
447  END SUBROUTINE gather_omp_i
448
449
450  SUBROUTINE gather_omp_i1(VarIn, VarOut)
451    IMPLICIT NONE
452 
453    INTEGER,INTENT(IN),DIMENSION(:,:) :: VarIn
454    INTEGER,INTENT(OUT),DIMENSION(:,:) :: VarOut
455   
456    CALL Check_buffer_i(size(VarOut))   
457    CALL gather_omp_igen(VarIn,Varout,Size(VarIn,2),buffer_i)
458   
459  END SUBROUTINE gather_omp_i1
460
461
462  SUBROUTINE gather_omp_i2(VarIn, VarOut)
463    IMPLICIT NONE
464 
465    INTEGER,INTENT(IN),DIMENSION(:,:,:) :: VarIn
466    INTEGER,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
467   
468    CALL Check_buffer_i(size(VarOut))   
469    CALL gather_omp_igen(VarIn,Varout,Size(VarIn,2)*Size(VarIn,3),buffer_i)
470         
471  END SUBROUTINE gather_omp_i2
472 
473
474  SUBROUTINE gather_omp_i3(VarIn, VarOut)
475    IMPLICIT NONE
476 
477    INTEGER,INTENT(IN),DIMENSION(:,:,:,:) :: VarIn
478    INTEGER,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
479   
480    CALL Check_buffer_i(size(VarOut))   
481    CALL gather_omp_igen(VarIn,Varout,Size(VarIn,2)*Size(VarIn,3)*Size(VarIn,4),buffer_i)
482   
483  END SUBROUTINE gather_omp_i3
484
485
486
487  SUBROUTINE gather_omp_r(VarIn, VarOut)
488    IMPLICIT NONE
489 
490    REAL,INTENT(IN),DIMENSION(:) :: VarIn
491    REAL,INTENT(OUT),DIMENSION(:) :: VarOut
492
493    CALL gather_omp_rgen(VarIn,Varout,1)
494   
495  END SUBROUTINE gather_omp_r
496
497
498  SUBROUTINE gather_omp_r1(VarIn, VarOut)
499    IMPLICIT NONE
500 
501    REAL,INTENT(IN),DIMENSION(:,:) :: VarIn
502    REAL,INTENT(OUT),DIMENSION(:,:) :: VarOut
503 
504    CALL gather_omp_rgen(VarIn,Varout,Size(VarIn,2))
505       
506  END SUBROUTINE gather_omp_r1
507
508
509  SUBROUTINE gather_omp_r2(VarIn, VarOut)
510    IMPLICIT NONE
511 
512    REAL,INTENT(IN),DIMENSION(:,:,:) :: VarIn
513    REAL,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
514 
515    CALL gather_omp_rgen(VarIn,Varout,Size(VarIn,2)*Size(VarIn,3))
516   
517  END SUBROUTINE gather_omp_r2
518 
519
520  SUBROUTINE gather_omp_r3(VarIn, VarOut)
521    IMPLICIT NONE
522 
523    REAL,INTENT(IN),DIMENSION(:,:,:,:) :: VarIn
524    REAL,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
525     
526    CALL gather_omp_rgen(VarIn,Varout,Size(VarIn,2)*Size(VarIn,3)*Size(VarIn,4))
527   
528  END SUBROUTINE gather_omp_r3
529
530
531  SUBROUTINE gather_omp_l(VarIn, VarOut)
532    IMPLICIT NONE
533 
534    LOGICAL,INTENT(IN),DIMENSION(:) :: VarIn
535    LOGICAL,INTENT(OUT),DIMENSION(:) :: VarOut
536
537    CALL Check_buffer_l(size(VarOut))   
538    CALL gather_omp_lgen(VarIn,Varout,1,buffer_l)
539   
540  END SUBROUTINE gather_omp_l
541
542
543  SUBROUTINE gather_omp_l1(VarIn, VarOut)
544    IMPLICIT NONE
545 
546    LOGICAL,INTENT(IN),DIMENSION(:,:) :: VarIn
547    LOGICAL,INTENT(OUT),DIMENSION(:,:) :: VarOut
548   
549    CALL Check_buffer_l(size(VarOut))   
550    CALL gather_omp_lgen(VarIn,Varout,Size(VarIn,2),buffer_l)
551   
552  END SUBROUTINE gather_omp_l1
553
554
555  SUBROUTINE gather_omp_l2(VarIn, VarOut)
556    IMPLICIT NONE
557 
558    LOGICAL,INTENT(IN),DIMENSION(:,:,:) :: VarIn
559    LOGICAL,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
560   
561    CALL Check_buffer_l(size(VarOut))   
562    CALL gather_omp_lgen(VarIn,Varout,Size(VarIn,2)*Size(VarIn,3),buffer_l)
563   
564  END SUBROUTINE gather_omp_l2
565 
566
567  SUBROUTINE gather_omp_l3(VarIn, VarOut)
568    IMPLICIT NONE
569 
570    LOGICAL,INTENT(IN),DIMENSION(:,:,:,:) :: VarIn
571    LOGICAL,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
572   
573    CALL Check_buffer_l(size(VarOut))   
574    CALL gather_omp_lgen(VarIn,Varout,Size(VarIn,2)*Size(VarIn,3)*Size(VarIn,4),buffer_l)
575   
576  END SUBROUTINE gather_omp_l3
577
578
579
580
581  SUBROUTINE reduce_sum_omp_i(VarIn, VarOut)
582    IMPLICIT NONE
583 
584    INTEGER,INTENT(IN)  :: VarIn
585    INTEGER,INTENT(OUT) :: VarOut
586    INTEGER             :: VarIn_tmp(1)
587    INTEGER             :: VarOut_tmp(1)
588   
589    VarIn_tmp(1)=VarIn
590    CALL Check_buffer_i(1)   
591    CALL reduce_sum_omp_igen(VarIn_tmp,Varout_tmp,1,buffer_i)
592    VarOut=VarOut_tmp(1)
593   
594  END SUBROUTINE reduce_sum_omp_i
595
596  SUBROUTINE reduce_sum_omp_i1(VarIn, VarOut)
597    IMPLICIT NONE
598 
599    INTEGER,INTENT(IN),DIMENSION(:)  :: VarIn
600    INTEGER,INTENT(OUT),DIMENSION(:) :: VarOut
601   
602    CALL Check_buffer_i(size(VarIn))   
603    CALL reduce_sum_omp_igen(VarIn,Varout,Size(VarIn),buffer_i)
604   
605  END SUBROUTINE reduce_sum_omp_i1
606 
607 
608  SUBROUTINE reduce_sum_omp_i2(VarIn, VarOut)
609    IMPLICIT NONE
610 
611    INTEGER,INTENT(IN),DIMENSION(:,:)  :: VarIn
612    INTEGER,INTENT(OUT),DIMENSION(:,:) :: VarOut
613
614    CALL Check_buffer_i(size(VarIn))   
615    CALL reduce_sum_omp_igen(VarIn,Varout,Size(VarIn),buffer_i)
616 
617  END SUBROUTINE reduce_sum_omp_i2
618
619
620  SUBROUTINE reduce_sum_omp_i3(VarIn, VarOut)
621    IMPLICIT NONE
622 
623    INTEGER,INTENT(IN),DIMENSION(:,:,:)  :: VarIn
624    INTEGER,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
625   
626    CALL Check_buffer_i(size(VarIn))   
627    CALL reduce_sum_omp_igen(VarIn,Varout,Size(VarIn),buffer_i)
628 
629  END SUBROUTINE reduce_sum_omp_i3
630
631
632  SUBROUTINE reduce_sum_omp_i4(VarIn, VarOut)
633    IMPLICIT NONE
634
635    INTEGER,INTENT(IN),DIMENSION(:,:,:,:)  :: VarIn
636    INTEGER,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
637 
638    CALL Check_buffer_i(size(VarIn))   
639    CALL reduce_sum_omp_igen(VarIn,Varout,Size(VarIn),buffer_i)
640 
641  END SUBROUTINE reduce_sum_omp_i4
642
643
644  SUBROUTINE reduce_sum_omp_r(VarIn, VarOut)
645    IMPLICIT NONE
646 
647    REAL,INTENT(IN)  :: VarIn
648    REAL,INTENT(OUT) :: VarOut
649    REAL             :: VarIn_tmp(1)
650    REAL             :: VarOut_tmp(1)
651   
652    VarIn_tmp(1)=VarIn
653    CALL Check_buffer_r(1)   
654    CALL reduce_sum_omp_rgen(VarIn_tmp,Varout_tmp,1,buffer_r)
655    VarOut=VarOut_tmp(1)
656 
657  END SUBROUTINE reduce_sum_omp_r
658
659  SUBROUTINE reduce_sum_omp_r1(VarIn, VarOut)
660    IMPLICIT NONE
661 
662    REAL,INTENT(IN),DIMENSION(:)  :: VarIn
663    REAL,INTENT(OUT),DIMENSION(:) :: VarOut
664   
665    CALL Check_buffer_r(size(VarIn))   
666    CALL reduce_sum_omp_rgen(VarIn,Varout,Size(VarIn),buffer_r)
667   
668  END SUBROUTINE reduce_sum_omp_r1
669 
670 
671  SUBROUTINE reduce_sum_omp_r2(VarIn, VarOut)
672    IMPLICIT NONE
673 
674    REAL,INTENT(IN),DIMENSION(:,:)  :: VarIn
675    REAL,INTENT(OUT),DIMENSION(:,:) :: VarOut
676   
677    CALL Check_buffer_r(size(VarIn))   
678    CALL reduce_sum_omp_rgen(VarIn,Varout,Size(VarIn),buffer_r)
679 
680  END SUBROUTINE reduce_sum_omp_r2
681
682
683  SUBROUTINE reduce_sum_omp_r3(VarIn, VarOut)
684    IMPLICIT NONE
685 
686    REAL,INTENT(IN),DIMENSION(:,:,:)  :: VarIn
687    REAL,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
688   
689    CALL Check_buffer_r(size(VarIn))   
690    CALL reduce_sum_omp_rgen(VarIn,Varout,Size(VarIn),buffer_r)
691 
692  END SUBROUTINE reduce_sum_omp_r3
693
694
695  SUBROUTINE reduce_sum_omp_r4(VarIn, VarOut)
696    IMPLICIT NONE
697
698    REAL,INTENT(IN),DIMENSION(:,:,:,:)  :: VarIn
699    REAL,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
700 
701    CALL Check_buffer_r(size(VarIn))   
702    CALL reduce_sum_omp_rgen(VarIn,Varout,Size(VarIn),buffer_r)
703 
704  END SUBROUTINE reduce_sum_omp_r4
705
706
707
708  SUBROUTINE reduce_min_omp_i(VarIn, VarOut)
709    IMPLICIT NONE
710 
711    INTEGER,INTENT(IN)  :: VarIn
712    INTEGER,INTENT(OUT) :: VarOut
713    INTEGER             :: VarIn_tmp(1)
714    INTEGER             :: VarOut_tmp(1)
715   
716    VarIn_tmp(1)=VarIn
717    CALL Check_buffer_i(1)   
718    CALL reduce_min_omp_igen(VarIn_tmp,Varout_tmp,1,buffer_i)
719    VarOut=VarOut_tmp(1)
720   
721  END SUBROUTINE reduce_min_omp_i
722
723  SUBROUTINE reduce_min_omp_i1(VarIn, VarOut)
724    IMPLICIT NONE
725 
726    INTEGER,INTENT(IN),DIMENSION(:)  :: VarIn
727    INTEGER,INTENT(OUT),DIMENSION(:) :: VarOut
728   
729    CALL Check_buffer_i(size(VarIn))   
730    CALL reduce_min_omp_igen(VarIn,Varout,Size(VarIn),buffer_i)
731   
732  END SUBROUTINE reduce_min_omp_i1
733 
734 
735  SUBROUTINE reduce_min_omp_i2(VarIn, VarOut)
736    IMPLICIT NONE
737 
738    INTEGER,INTENT(IN),DIMENSION(:,:)  :: VarIn
739    INTEGER,INTENT(OUT),DIMENSION(:,:) :: VarOut
740
741    CALL Check_buffer_i(size(VarIn))   
742    CALL reduce_min_omp_igen(VarIn,Varout,Size(VarIn),buffer_i)
743 
744  END SUBROUTINE reduce_min_omp_i2
745
746
747  SUBROUTINE reduce_min_omp_i3(VarIn, VarOut)
748    IMPLICIT NONE
749 
750    INTEGER,INTENT(IN),DIMENSION(:,:,:)  :: VarIn
751    INTEGER,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
752   
753    CALL Check_buffer_i(size(VarIn))   
754    CALL reduce_min_omp_igen(VarIn,Varout,Size(VarIn),buffer_i)
755 
756  END SUBROUTINE reduce_min_omp_i3
757
758
759  SUBROUTINE reduce_min_omp_i4(VarIn, VarOut)
760    IMPLICIT NONE
761
762    INTEGER,INTENT(IN),DIMENSION(:,:,:,:)  :: VarIn
763    INTEGER,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
764 
765    CALL Check_buffer_i(size(VarIn))   
766    CALL reduce_min_omp_igen(VarIn,Varout,Size(VarIn),buffer_i)
767 
768  END SUBROUTINE reduce_min_omp_i4
769
770
771  SUBROUTINE reduce_min_omp_r(VarIn, VarOut)
772    IMPLICIT NONE
773 
774    REAL,INTENT(IN)  :: VarIn
775    REAL,INTENT(OUT) :: VarOut
776    REAL             :: VarIn_tmp(1)
777    REAL             :: VarOut_tmp(1)
778   
779    VarIn_tmp(1)=VarIn
780    CALL Check_buffer_r(1)   
781    CALL reduce_min_omp_rgen(VarIn_tmp,Varout_tmp,1,buffer_r)
782    VarOut=VarOut_tmp(1)
783 
784  END SUBROUTINE reduce_min_omp_r
785
786  SUBROUTINE reduce_min_omp_r1(VarIn, VarOut)
787    IMPLICIT NONE
788 
789    REAL,INTENT(IN),DIMENSION(:)  :: VarIn
790    REAL,INTENT(OUT),DIMENSION(:) :: VarOut
791   
792    CALL Check_buffer_r(size(VarIn))   
793    CALL reduce_min_omp_rgen(VarIn,Varout,Size(VarIn),buffer_r)
794   
795  END SUBROUTINE reduce_min_omp_r1
796 
797 
798  SUBROUTINE reduce_min_omp_r2(VarIn, VarOut)
799    IMPLICIT NONE
800 
801    REAL,INTENT(IN),DIMENSION(:,:)  :: VarIn
802    REAL,INTENT(OUT),DIMENSION(:,:) :: VarOut
803   
804    CALL Check_buffer_r(size(VarIn))   
805    CALL reduce_min_omp_rgen(VarIn,Varout,Size(VarIn),buffer_r)
806 
807  END SUBROUTINE reduce_min_omp_r2
808
809
810  SUBROUTINE reduce_min_omp_r3(VarIn, VarOut)
811    IMPLICIT NONE
812 
813    REAL,INTENT(IN),DIMENSION(:,:,:)  :: VarIn
814    REAL,INTENT(OUT),DIMENSION(:,:,:) :: VarOut
815   
816    CALL Check_buffer_r(size(VarIn))   
817    CALL reduce_min_omp_rgen(VarIn,Varout,Size(VarIn),buffer_r)
818 
819  END SUBROUTINE reduce_min_omp_r3
820
821
822  SUBROUTINE reduce_min_omp_r4(VarIn, VarOut)
823    IMPLICIT NONE
824
825    REAL,INTENT(IN),DIMENSION(:,:,:,:)  :: VarIn
826    REAL,INTENT(OUT),DIMENSION(:,:,:,:) :: VarOut
827 
828    CALL Check_buffer_r(size(VarIn))   
829    CALL reduce_min_omp_rgen(VarIn,Varout,Size(VarIn),buffer_r)
830 
831  END SUBROUTINE reduce_min_omp_r4
832
833
834
835
836!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
837!    LES ROUTINES GENERIQUES    !
838!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
839
840  SUBROUTINE bcast_omp_cgen(Var,Nb,Buff)
841  IMPLICIT NONE
842   
843    CHARACTER(LEN=*),INTENT(INOUT) :: Var
844    CHARACTER(LEN=*),INTENT(INOUT) :: Buff
845    INTEGER,INTENT(IN) :: Nb
846   
847    INTEGER :: i
848 
849  !$OMP MASTER
850      Buff=Var
851  !$OMP END MASTER
852  !$OMP BARRIER
853
854    DO i=1,Nb
855      Var=Buff
856    ENDDO
857  !$OMP BARRIER     
858 
859  END SUBROUTINE bcast_omp_cgen
860
861
862     
863  SUBROUTINE bcast_omp_igen(Var,Nb,Buff)
864  IMPLICIT NONE
865   
866    INTEGER,INTENT(IN) :: Nb
867    INTEGER,DIMENSION(Nb),INTENT(INOUT) :: Var
868    INTEGER,DIMENSION(Nb),INTENT(INOUT) :: Buff
869
870    INTEGER :: i
871   
872  !$OMP MASTER
873    DO i=1,Nb
874      Buff(i)=Var(i)
875    ENDDO
876  !$OMP END MASTER
877  !$OMP BARRIER
878
879    DO i=1,Nb
880      Var(i)=Buff(i)
881    ENDDO
882  !$OMP BARRIER       
883
884  END SUBROUTINE bcast_omp_igen
885
886
887  SUBROUTINE bcast_omp_rgen(Var,Nb,Buff)
888  IMPLICIT NONE
889   
890    INTEGER,INTENT(IN) :: Nb
891    REAL,DIMENSION(Nb),INTENT(INOUT) :: Var
892    REAL,DIMENSION(Nb),INTENT(INOUT) :: Buff
893
894    INTEGER :: i
895   
896  !$OMP MASTER
897    DO i=1,Nb
898      Buff(i)=Var(i)
899    ENDDO
900  !$OMP END MASTER
901  !$OMP BARRIER
902
903    DO i=1,Nb
904      Var(i)=Buff(i)
905    ENDDO
906  !$OMP BARRIER       
907
908  END SUBROUTINE bcast_omp_rgen
909
910  SUBROUTINE bcast_omp_lgen(Var,Nb,Buff)
911  IMPLICIT NONE
912   
913    INTEGER,INTENT(IN) :: Nb
914    LOGICAL,DIMENSION(Nb),INTENT(INOUT) :: Var
915    LOGICAL,DIMENSION(Nb),INTENT(INOUT) :: Buff
916 
917    INTEGER :: i
918   
919  !$OMP MASTER
920    DO i=1,Nb
921      Buff(i)=Var(i)
922    ENDDO
923  !$OMP END MASTER
924  !$OMP BARRIER
925
926    DO i=1,Nb
927      Var(i)=Buff(i)
928    ENDDO
929  !$OMP BARRIER       
930
931  END SUBROUTINE bcast_omp_lgen
932
933
934  SUBROUTINE scatter_omp_igen(VarIn,VarOut,dimsize,Buff)
935    USE mod_phys_lmdz_omp_data
936    USE mod_phys_lmdz_mpi_data, ONLY : klon_mpi
937    IMPLICIT NONE
938
939    INTEGER,INTENT(IN) :: dimsize
940    INTEGER,INTENT(IN),DIMENSION(klon_mpi,dimsize) :: VarIn
941    INTEGER,INTENT(OUT),DIMENSION(klon_omp,dimsize) :: VarOut
942    INTEGER,INTENT(INOUT),DIMENSION(klon_mpi,dimsize) :: Buff
943
944    INTEGER :: i,ij
945   
946  !$OMP MASTER
947    DO i=1,dimsize
948      DO ij=1,klon_mpi
949        Buff(ij,i)=VarIn(ij,i)
950      ENDDO
951    ENDDO 
952  !$OMP END MASTER
953  !$OMP BARRIER
954 
955    DO i=1,dimsize
956      DO ij=1,klon_omp
957        VarOut(ij,i)=Buff(klon_omp_begin-1+ij,i)
958      ENDDO
959    ENDDO
960  !$OMP BARRIER 
961 
962  END SUBROUTINE scatter_omp_igen
963
964
965  SUBROUTINE scatter_omp_rgen(VarIn,VarOut,dimsize,Buff)
966  USE mod_phys_lmdz_omp_data
967  USE mod_phys_lmdz_mpi_data, ONLY : klon_mpi
968  IMPLICIT NONE
969
970    INTEGER,INTENT(IN) :: dimsize
971    REAL,INTENT(IN),DIMENSION(klon_mpi,dimsize) :: VarIn
972    REAL,INTENT(OUT),DIMENSION(klon_omp,dimsize) :: VarOut
973    REAL,INTENT(INOUT),DIMENSION(klon_mpi,dimsize) :: Buff
974
975    INTEGER :: i,ij
976   
977  !$OMP MASTER
978    DO i=1,dimsize
979      DO ij=1,klon_mpi
980        Buff(ij,i)=VarIn(ij,i)
981      ENDDO
982    ENDDO 
983  !$OMP END MASTER
984  !$OMP BARRIER
985
986    DO i=1,dimsize
987      DO ij=1,klon_omp
988        VarOut(ij,i)=Buff(klon_omp_begin-1+ij,i)
989      ENDDO
990    ENDDO
991  !$OMP BARRIER 
992
993  END SUBROUTINE scatter_omp_rgen
994
995
996  SUBROUTINE scatter_omp_lgen(VarIn,VarOut,dimsize,Buff)
997  USE mod_phys_lmdz_omp_data
998  USE mod_phys_lmdz_mpi_data, ONLY : klon_mpi
999  IMPLICIT NONE
1000
1001    INTEGER,INTENT(IN) :: dimsize
1002    LOGICAL,INTENT(IN),DIMENSION(klon_mpi,dimsize) :: VarIn
1003    LOGICAL,INTENT(OUT),DIMENSION(klon_omp,dimsize) :: VarOut
1004    LOGICAL,INTENT(INOUT),DIMENSION(klon_mpi,dimsize) :: Buff
1005
1006    INTEGER :: i,ij
1007   
1008 !$OMP MASTER
1009    DO i=1,dimsize
1010      DO ij=1,klon_mpi
1011        Buff(ij,i)=VarIn(ij,i)
1012      ENDDO
1013    ENDDO 
1014  !$OMP END MASTER
1015  !$OMP BARRIER
1016
1017    DO i=1,dimsize
1018      DO ij=1,klon_omp
1019        VarOut(ij,i)=Buff(klon_omp_begin-1+ij,i)
1020      ENDDO
1021    ENDDO
1022  !$OMP BARRIER 
1023
1024  END SUBROUTINE scatter_omp_lgen
1025
1026
1027
1028
1029
1030  SUBROUTINE gather_omp_igen(VarIn,VarOut,dimsize,Buff)
1031  USE mod_phys_lmdz_omp_data
1032  USE mod_phys_lmdz_mpi_data, ONLY : klon_mpi
1033  IMPLICIT NONE
1034
1035    INTEGER,INTENT(IN) :: dimsize
1036    INTEGER,INTENT(IN),DIMENSION(klon_omp,dimsize) :: VarIn
1037    INTEGER,INTENT(OUT),DIMENSION(klon_mpi,dimsize) :: VarOut
1038    INTEGER,INTENT(INOUT),DIMENSION(klon_mpi,dimsize) :: Buff
1039
1040    INTEGER :: i,ij
1041   
1042    DO i=1,dimsize
1043      DO ij=1,klon_omp
1044        Buff(klon_omp_begin-1+ij,i)=VarIn(ij,i)
1045      ENDDO
1046    ENDDO
1047  !$OMP BARRIER 
1048 
1049 
1050  !$OMP MASTER
1051    DO i=1,dimsize
1052      DO ij=1,klon_mpi
1053        VarOut(ij,i)=Buff(ij,i)
1054      ENDDO
1055    ENDDO 
1056  !$OMP END MASTER
1057  !$OMP BARRIER
1058
1059  END SUBROUTINE gather_omp_igen
1060
1061
1062  SUBROUTINE gather_omp_rgen(VarIn,VarOut,dimsize)
1063  USE mod_phys_lmdz_omp_data
1064  USE mod_phys_lmdz_mpi_data, ONLY : klon_mpi
1065  IMPLICIT NONE
1066
1067    INTEGER,INTENT(IN) :: dimsize
1068    REAL,INTENT(IN),DIMENSION(klon_omp,dimsize) :: VarIn
1069    REAL,INTENT(OUT),DIMENSION(klon_mpi,dimsize),TARGET :: VarOut
1070
1071    REAL, POINTER, SAVE :: Varout_ptr(:,:) ! Shared between threads NOT THREADPRIVATE
1072
1073    INTEGER :: i,ij
1074   
1075    !$omp master
1076    Varout_ptr => VarOut
1077    !$omp end master
1078    !$omp barrier
1079
1080    DO i=1,dimsize
1081      DO ij=1,klon_omp
1082        Varout_ptr(klon_omp_begin-1+ij,i)=VarIn(ij,i)
1083      ENDDO
1084    ENDDO
1085    !$omp barrier
1086  END SUBROUTINE gather_omp_rgen
1087
1088
1089  SUBROUTINE gather_omp_lgen(VarIn,VarOut,dimsize,Buff)
1090  USE mod_phys_lmdz_omp_data
1091  USE mod_phys_lmdz_mpi_data, ONLY : klon_mpi
1092  IMPLICIT NONE
1093
1094    INTEGER,INTENT(IN) :: dimsize
1095    LOGICAL,INTENT(IN),DIMENSION(klon_omp,dimsize) :: VarIn
1096    LOGICAL,INTENT(OUT),DIMENSION(klon_mpi,dimsize) :: VarOut
1097    LOGICAL,INTENT(INOUT),DIMENSION(klon_mpi,dimsize) :: Buff
1098
1099    INTEGER :: i,ij
1100   
1101    DO i=1,dimsize
1102      DO ij=1,klon_omp
1103        Buff(klon_omp_begin-1+ij,i)=VarIn(ij,i)
1104      ENDDO
1105    ENDDO
1106  !$OMP BARRIER 
1107
1108
1109  !$OMP MASTER
1110    DO i=1,dimsize
1111      DO ij=1,klon_mpi
1112        VarOut(ij,i)=Buff(ij,i)
1113      ENDDO
1114    ENDDO 
1115  !$OMP END MASTER
1116  !$OMP BARRIER
1117
1118  END SUBROUTINE gather_omp_lgen
1119
1120
1121  SUBROUTINE reduce_sum_omp_igen(VarIn,VarOut,dimsize,Buff)
1122  IMPLICIT NONE
1123
1124    INTEGER,INTENT(IN) :: dimsize
1125    INTEGER,INTENT(IN),DIMENSION(dimsize) :: VarIn
1126    INTEGER,INTENT(OUT),DIMENSION(dimsize) :: VarOut
1127    INTEGER,INTENT(INOUT),DIMENSION(dimsize) :: Buff
1128
1129    INTEGER :: i
1130
1131  !$OMP MASTER
1132    Buff(:)=0
1133  !$OMP END MASTER
1134  !$OMP BARRIER
1135 
1136  !$OMP CRITICAL     
1137    DO i=1,dimsize
1138      Buff(i)=Buff(i)+VarIn(i)
1139    ENDDO
1140  !$OMP END CRITICAL
1141  !$OMP BARRIER 
1142 
1143  !$OMP MASTER
1144    DO i=1,dimsize
1145      VarOut(i)=Buff(i)
1146    ENDDO
1147  !$OMP END MASTER
1148  !$OMP BARRIER
1149 
1150  END SUBROUTINE reduce_sum_omp_igen
1151
1152  SUBROUTINE reduce_sum_omp_rgen(VarIn,VarOut,dimsize,Buff)
1153  IMPLICIT NONE
1154
1155    INTEGER,INTENT(IN) :: dimsize
1156    REAL,INTENT(IN),DIMENSION(dimsize) :: VarIn
1157    REAL,INTENT(OUT),DIMENSION(dimsize) :: VarOut
1158    REAL,INTENT(INOUT),DIMENSION(dimsize) :: Buff
1159
1160    INTEGER :: i
1161
1162  !$OMP MASTER
1163    Buff(:)=0
1164  !$OMP END MASTER
1165  !$OMP BARRIER
1166 
1167  !$OMP CRITICAL     
1168    DO i=1,dimsize
1169      Buff(i)=Buff(i)+VarIn(i)
1170    ENDDO
1171  !$OMP END CRITICAL
1172  !$OMP BARRIER 
1173 
1174  !$OMP MASTER
1175    DO i=1,dimsize
1176      VarOut(i)=Buff(i)
1177    ENDDO
1178  !$OMP END MASTER
1179  !$OMP BARRIER
1180 
1181  END SUBROUTINE reduce_sum_omp_rgen
1182
1183
1184  SUBROUTINE reduce_min_omp_igen(VarIn,VarOut,dimsize,Buff)
1185  IMPLICIT NONE
1186
1187    INTEGER,INTENT(IN) :: dimsize
1188    INTEGER,INTENT(IN),DIMENSION(dimsize) :: VarIn
1189    INTEGER,INTENT(OUT),DIMENSION(dimsize) :: VarOut
1190    INTEGER,INTENT(INOUT),DIMENSION(dimsize) :: Buff
1191
1192    INTEGER :: i
1193    INTEGER :: var
1194
1195  !$OMP MASTER
1196    Buff(:)=HUGE(var)
1197  !$OMP END MASTER
1198  !$OMP BARRIER
1199 
1200  !$OMP CRITICAL     
1201    DO i=1,dimsize
1202      Buff(i)=MIN(Buff(i),VarIn(i))
1203    ENDDO
1204  !$OMP END CRITICAL
1205  !$OMP BARRIER 
1206 
1207  !$OMP MASTER
1208    DO i=1,dimsize
1209      VarOut(i)=Buff(i)
1210    ENDDO
1211  !$OMP END MASTER
1212  !$OMP BARRIER
1213 
1214  END SUBROUTINE reduce_min_omp_igen
1215
1216  SUBROUTINE reduce_min_omp_rgen(VarIn,VarOut,dimsize,Buff)
1217  IMPLICIT NONE
1218
1219    INTEGER,INTENT(IN) :: dimsize
1220    REAL,INTENT(IN),DIMENSION(dimsize) :: VarIn
1221    REAL,INTENT(OUT),DIMENSION(dimsize) :: VarOut
1222    REAL,INTENT(INOUT),DIMENSION(dimsize) :: Buff
1223
1224    INTEGER :: i
1225    REAL :: var
1226
1227  !$OMP MASTER
1228    Buff(:)=HUGE(var)
1229  !$OMP END MASTER
1230  !$OMP BARRIER
1231 
1232  !$OMP CRITICAL     
1233    DO i=1,dimsize
1234      Buff(i)=MIN(Buff(i),VarIn(i))
1235    ENDDO
1236  !$OMP END CRITICAL
1237  !$OMP BARRIER 
1238 
1239  !$OMP MASTER
1240    DO i=1,dimsize
1241      VarOut(i)=Buff(i)
1242    ENDDO
1243  !$OMP END MASTER
1244  !$OMP BARRIER
1245 
1246  END SUBROUTINE reduce_min_omp_rgen
1247
1248
1249END MODULE mod_phys_lmdz_omp_transfert
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