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bands.F90 @ 4526

Last change on this file since 4526 was 2771, checked in by Laurent Fairhead, 8 years ago
Modifications to allow MPI domain partition on 2 latitude bands rather than 3 LF
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
File size: 13.3 KB

Line
1	!
2	! $Id$
3	!
4	module Bands
5	USE parallel_lmdz
6	integer, parameter :: bands_caldyn=1
7	integer, parameter :: bands_vanleer=2
8	integer, parameter :: bands_dissip=3
9
10	INTEGER,dimension(:),allocatable :: jj_Nb_Caldyn
11	INTEGER,dimension(:),allocatable :: jj_Nb_vanleer
12	INTEGER,dimension(:),allocatable :: jj_Nb_vanleer2
13	INTEGER,dimension(:),allocatable :: jj_Nb_dissip
14	INTEGER,dimension(:),allocatable :: jj_Nb_physic
15	INTEGER,dimension(:),allocatable :: jj_Nb_physic_bis
16
17	TYPE(distrib),SAVE,TARGET :: distrib_Caldyn
18	TYPE(distrib),SAVE,TARGET :: distrib_vanleer
19	TYPE(distrib),SAVE,TARGET :: distrib_vanleer2
20	TYPE(distrib),SAVE,TARGET :: distrib_dissip
21	TYPE(distrib),SAVE,TARGET :: distrib_physic
22	TYPE(distrib),SAVE,TARGET :: distrib_physic_bis
23
24	INTEGER,dimension(:),allocatable :: distrib_phys
25
26	contains
27
28	subroutine AllocateBands
29	USE parallel_lmdz
30	implicit none
31
32	allocate(jj_Nb_Caldyn(0:MPI_Size-1))
33	allocate(jj_Nb_vanleer(0:MPI_Size-1))
34	allocate(jj_Nb_vanleer2(0:MPI_Size-1))
35	allocate(jj_Nb_dissip(0:MPI_Size-1))
36	allocate(jj_Nb_physic(0:MPI_Size-1))
37	allocate(jj_Nb_physic_bis(0:MPI_Size-1))
38	allocate(distrib_phys(0:MPI_Size-1))
39
40	end subroutine AllocateBands
41
42	subroutine Read_distrib
43	USE parallel_lmdz
44	implicit none
45
46	include "dimensions.h"
47	integer :: i,j
48	character (len=4) :: siim,sjjm,sllm,sproc
49	character (len=255) :: filename
50	integer :: unit_number=10
51	integer :: ierr
52
53	call AllocateBands
54	write(siim,'(i3)') iim
55	write(sjjm,'(i3)') jjm
56	write(sllm,'(i3)') llm
57	write(sproc,'(i3)') mpi_size
58	filename='Bands_'//TRIM(ADJUSTL(siim))//'x'//TRIM(ADJUSTL(sjjm))//'x'//TRIM(ADJUSTL(sllm))//'_' &
59	//TRIM(ADJUSTL(sproc))//'prc.dat'
60
61	OPEN(UNIT=unit_number,FILE=trim(filename),STATUS='old',FORM='formatted',IOSTAT=ierr)
62
63	if (ierr==0) then
64
65	do i=0,mpi_size-1
66	read (unit_number,*) j,jj_nb_caldyn(i)
67	enddo
68
69	do i=0,mpi_size-1
70	read (unit_number,*) j,jj_nb_vanleer(i)
71	enddo
72
73	do i=0,mpi_size-1
74	read (unit_number,*) j,jj_nb_dissip(i)
75	enddo
76
77	do i=0,mpi_size-1
78	read (unit_number,*) j,distrib_phys(i)
79	enddo
80
81	CLOSE(unit_number)
82
83	else
84	do i=0,mpi_size-1
85	jj_nb_caldyn(i)=(jjm+1)/mpi_size
86	if (i<MOD(jjm+1,mpi_size)) jj_nb_caldyn(i)=jj_nb_caldyn(i)+1
87	enddo
88
89	jj_nb_vanleer(:)=jj_nb_caldyn(:)
90	jj_nb_dissip(:)=jj_nb_caldyn(:)
91
92	do i=0,mpi_size-1
93	distrib_phys(i)=(iim*(jjm-1)+2)/mpi_size
94	IF (i<MOD(iim*(jjm-1)+2,mpi_size)) distrib_phys(i)=distrib_phys(i)+1
95	enddo
96	endif
97
98	! distrib_phys(:)=jj_nb_caldyn(:)*iim
99	! distrib_phys(0) = distrib_phys(0) - (iim-1)
100	! distrib_phys(mpi_size-1) = distrib_phys(mpi_size-1) - (iim-1)
101
102	end subroutine Read_distrib
103
104
105	SUBROUTINE Set_Bands
106	USE parallel_lmdz
107	IMPLICIT NONE
108	INCLUDE 'dimensions.h'
109	INTEGER :: i, ij
110	INTEGER :: jj_para_begin(0:mpi_size-1)
111	INTEGER :: jj_para_end(0:mpi_size-1)
112
113	do i=0,mpi_size-1
114	jj_nb_vanleer2(i)=(jjm+1)/mpi_size
115	if (i<MOD(jjm+1,mpi_size)) jj_nb_vanleer2(i)=jj_nb_vanleer2(i)+1
116	enddo
117
118	jj_para_begin(0)=1
119	ij=distrib_phys(0)+iim-1
120	jj_para_end(0)=((ij-1)/iim)+1
121
122	DO i=1,mpi_Size-1
123	ij=ij+1
124	jj_para_begin(i)=((ij-1)/iim)+1
125	ij=ij+distrib_phys(i)-1
126	jj_para_end(i)=((ij-1)/iim)+1
127	ENDDO
128
129	do i=0,MPI_Size-1
130	jj_Nb_physic(i)=jj_para_end(i)-jj_para_begin(i)+1
131	if (i/=0) then
132	if (jj_para_begin(i)==jj_para_end(i-1)) then
133	jj_Nb_physic(i-1)=jj_Nb_physic(i-1)-1
134	endif
135	endif
136	enddo
137
138	do i=0,MPI_Size-1
139	jj_Nb_physic_bis(i)=jj_para_end(i)-jj_para_begin(i)+1
140	if (i/=0) then
141	if (jj_para_begin(i)==jj_para_end(i-1)) then
142	jj_Nb_physic_bis(i)=jj_Nb_physic_bis(i)-1
143	else
144	jj_Nb_physic_bis(i-1)=jj_Nb_physic_bis(i-1)+1
145	jj_Nb_physic_bis(i)=jj_Nb_physic_bis(i)-1
146	endif
147	endif
148	enddo
149
150	CALL create_distrib(jj_Nb_Caldyn,distrib_caldyn)
151	CALL create_distrib(jj_Nb_vanleer,distrib_vanleer)
152	CALL create_distrib(jj_Nb_vanleer2,distrib_vanleer2)
153	CALL create_distrib(jj_Nb_dissip,distrib_dissip)
154	CALL create_distrib(jj_Nb_physic,distrib_physic)
155	CALL create_distrib(jj_Nb_physic_bis,distrib_physic_bis)
156
157	distrib_physic_bis%jjb_u=distrib_physic%jjb_u
158	distrib_physic_bis%jje_u=distrib_physic%jje_u
159	distrib_physic_bis%jjnb_u=distrib_physic%jjnb_u
160
161	distrib_physic_bis%ijb_u=distrib_physic%ijb_u
162	distrib_physic_bis%ije_u=distrib_physic%ije_u
163	distrib_physic_bis%ijnb_u=distrib_physic%ijnb_u
164
165	distrib_physic_bis%jjb_v=distrib_physic%jjb_v
166	distrib_physic_bis%jje_v=distrib_physic%jje_v
167	distrib_physic_bis%jjnb_v=distrib_physic%jjnb_v
168
169	distrib_physic_bis%ijb_v=distrib_physic%ijb_v
170	distrib_physic_bis%ije_v=distrib_physic%ije_v
171	distrib_physic_bis%ijnb_v=distrib_physic%ijnb_v
172
173	end subroutine Set_Bands
174
175
176	subroutine AdjustBands_caldyn(new_dist)
177	use times
178	USE parallel_lmdz
179	implicit none
180	TYPE(distrib),INTENT(INOUT) :: new_dist
181
182	real :: minvalue,maxvalue
183	integer :: min_proc,max_proc
184	integer :: i,j
185	real,allocatable,dimension(:) :: value
186	integer,allocatable,dimension(:) :: index
187	real :: tmpvalue
188	integer :: tmpindex
189
190	allocate(value(0:mpi_size-1))
191	allocate(index(0:mpi_size-1))
192
193
194	call allgather_timer_average
195
196	do i=0,mpi_size-1
197	value(i)=timer_average(jj_nb_caldyn(i),timer_caldyn,i)
198	index(i)=i
199	enddo
200
201	do i=0,mpi_size-2
202	do j=i+1,mpi_size-1
203	if (value(i)>value(j)) then
204	tmpvalue=value(i)
205	value(i)=value(j)
206	value(j)=tmpvalue
207
208	tmpindex=index(i)
209	index(i)=index(j)
210	index(j)=tmpindex
211	endif
212	enddo
213	enddo
214
215	maxvalue=value(mpi_size-1)
216	max_proc=index(mpi_size-1)
217
218	do i=0,mpi_size-2
219	minvalue=value(i)
220	min_proc=index(i)
221	if (jj_nb_caldyn(max_proc)>2) then
222	if (timer_iteration(jj_nb_caldyn(min_proc)+1,timer_caldyn,min_proc)<=1 ) then
223	jj_nb_caldyn(min_proc)=jj_nb_caldyn(min_proc)+1
224	jj_nb_caldyn(max_proc)=jj_nb_caldyn(max_proc)-1
225	exit
226	else
227	if (timer_average(jj_nb_caldyn(min_proc)+1,timer_caldyn,min_proc) &
228	-timer_delta(jj_nb_caldyn(min_proc)+1,timer_caldyn,min_proc) < maxvalue) then
229	jj_nb_caldyn(min_proc)=jj_nb_caldyn(min_proc)+1
230	jj_nb_caldyn(max_proc)=jj_nb_caldyn(max_proc)-1
231	exit
232	endif
233	endif
234	endif
235	enddo
236
237	deallocate(value)
238	deallocate(index)
239	CALL create_distrib(jj_nb_caldyn,new_dist)
240
241	end subroutine AdjustBands_caldyn
242
243	subroutine AdjustBands_vanleer(new_dist)
244	use times
245	USE parallel_lmdz
246	implicit none
247	TYPE(distrib),INTENT(INOUT) :: new_dist
248
249	real :: minvalue,maxvalue
250	integer :: min_proc,max_proc
251	integer :: i,j
252	real,allocatable,dimension(:) :: value
253	integer,allocatable,dimension(:) :: index
254	real :: tmpvalue
255	integer :: tmpindex
256
257	allocate(value(0:mpi_size-1))
258	allocate(index(0:mpi_size-1))
259
260
261	call allgather_timer_average
262
263	do i=0,mpi_size-1
264	value(i)=timer_average(jj_nb_vanleer(i),timer_vanleer,i)
265	index(i)=i
266	enddo
267
268	do i=0,mpi_size-2
269	do j=i+1,mpi_size-1
270	if (value(i)>value(j)) then
271	tmpvalue=value(i)
272	value(i)=value(j)
273	value(j)=tmpvalue
274
275	tmpindex=index(i)
276	index(i)=index(j)
277	index(j)=tmpindex
278	endif
279	enddo
280	enddo
281
282	maxvalue=value(mpi_size-1)
283	max_proc=index(mpi_size-1)
284
285	do i=0,mpi_size-2
286	minvalue=value(i)
287	min_proc=index(i)
288
289	if (jj_nb_vanleer(max_proc)>2) then
290	if (timer_average(jj_nb_vanleer(min_proc)+1,timer_vanleer,min_proc)==0. .or. &
291	timer_average(jj_nb_vanleer(max_proc)-1,timer_vanleer,max_proc)==0.) then
292	jj_nb_vanleer(min_proc)=jj_nb_vanleer(min_proc)+1
293	jj_nb_vanleer(max_proc)=jj_nb_vanleer(max_proc)-1
294	exit
295	else
296	if (timer_average(jj_nb_vanleer(min_proc)+1,timer_vanleer,min_proc) < maxvalue) then
297	jj_nb_vanleer(min_proc)=jj_nb_vanleer(min_proc)+1
298	jj_nb_vanleer(max_proc)=jj_nb_vanleer(max_proc)-1
299	exit
300	endif
301	endif
302	endif
303	enddo
304
305	deallocate(value)
306	deallocate(index)
307
308	CALL create_distrib(jj_nb_vanleer,new_dist)
309
310	end subroutine AdjustBands_vanleer
311
312	subroutine AdjustBands_dissip(new_dist)
313	use times
314	USE parallel_lmdz
315	implicit none
316	TYPE(distrib),INTENT(INOUT) :: new_dist
317
318	real :: minvalue,maxvalue
319	integer :: min_proc,max_proc
320	integer :: i,j
321	real,allocatable,dimension(:) :: value
322	integer,allocatable,dimension(:) :: index
323	real :: tmpvalue
324	integer :: tmpindex
325
326	allocate(value(0:mpi_size-1))
327	allocate(index(0:mpi_size-1))
328
329
330	call allgather_timer_average
331
332	do i=0,mpi_size-1
333	value(i)=timer_average(jj_nb_dissip(i),timer_dissip,i)
334	index(i)=i
335	enddo
336
337	do i=0,mpi_size-2
338	do j=i+1,mpi_size-1
339	if (value(i)>value(j)) then
340	tmpvalue=value(i)
341	value(i)=value(j)
342	value(j)=tmpvalue
343
344	tmpindex=index(i)
345	index(i)=index(j)
346	index(j)=tmpindex
347	endif
348	enddo
349	enddo
350
351	maxvalue=value(mpi_size-1)
352	max_proc=index(mpi_size-1)
353
354	do i=0,mpi_size-2
355	minvalue=value(i)
356	min_proc=index(i)
357
358	if (jj_nb_dissip(max_proc)>3) then
359	if (timer_iteration(jj_nb_dissip(min_proc)+1,timer_dissip,min_proc)<=1) then
360	jj_nb_dissip(min_proc)=jj_nb_dissip(min_proc)+1
361	jj_nb_dissip(max_proc)=jj_nb_dissip(max_proc)-1
362	exit
363	else
364	if (timer_average(jj_nb_dissip(min_proc)+1,timer_dissip,min_proc) &
365	- timer_delta(jj_nb_dissip(min_proc)+1,timer_dissip,min_proc) < maxvalue) then
366	jj_nb_dissip(min_proc)=jj_nb_dissip(min_proc)+1
367	jj_nb_dissip(max_proc)=jj_nb_dissip(max_proc)-1
368	exit
369	endif
370	endif
371	endif
372	enddo
373
374	deallocate(value)
375	deallocate(index)
376
377	CALL create_distrib(jj_nb_dissip,new_dist)
378
379	end subroutine AdjustBands_dissip
380
381	subroutine AdjustBands_physic
382	use times
383	#ifdef CPP_PHYS
384	! Ehouarn: what follows is only related to // physics
385	USE mod_phys_lmdz_para, only : klon_mpi_para_nb
386	#endif
387	USE parallel_lmdz
388	implicit none
389
390	integer :: i,Index
391	real,allocatable,dimension(:) :: value
392	integer,allocatable,dimension(:) :: Inc
393	real :: medium
394	integer :: NbTot,sgn
395
396	allocate(value(0:mpi_size-1))
397	allocate(Inc(0:mpi_size-1))
398
399
400	call allgather_timer_average
401
402	medium=0
403	do i=0,mpi_size-1
404	value(i)=timer_average(jj_nb_physic(i),timer_physic,i)
405	medium=medium+value(i)
406	enddo
407
408	medium=medium/mpi_size
409	NbTot=0
410	#ifdef CPP_PHYS
411	do i=0,mpi_size-1
412	Inc(i)=nint(klon_mpi_para_nb(i)*(medium-value(i))/value(i))
413	NbTot=NbTot+Inc(i)
414	enddo
415
416	if (NbTot>=0) then
417	Sgn=1
418	else
419	Sgn=-1
420	NbTot=-NbTot
421	endif
422
423	Index=0
424	do i=1,NbTot
425	Inc(Index)=Inc(Index)-Sgn
426	Index=Index+1
427	if (Index>mpi_size-1) Index=0
428	enddo
429
430	do i=0,mpi_size-1
431	distrib_phys(i)=klon_mpi_para_nb(i)+inc(i)
432	enddo
433	#endif
434
435	end subroutine AdjustBands_physic
436
437	subroutine WriteBands
438	USE parallel_lmdz
439	implicit none
440	include "dimensions.h"
441
442	integer :: i,j
443	character (len=4) :: siim,sjjm,sllm,sproc
444	character (len=255) :: filename
445	integer :: unit_number=10
446	integer :: ierr
447
448	write(siim,'(i3)') iim
449	write(sjjm,'(i3)') jjm
450	write(sllm,'(i3)') llm
451	write(sproc,'(i3)') mpi_size
452
453	filename='Bands_'//TRIM(ADJUSTL(siim))//'x'//TRIM(ADJUSTL(sjjm))//'x'//TRIM(ADJUSTL(sllm))//'_' &
454	//TRIM(ADJUSTL(sproc))//'prc.dat'
455
456	OPEN(UNIT=unit_number,FILE=trim(filename),STATUS='replace',FORM='formatted',IOSTAT=ierr)
457
458	if (ierr==0) then
459
460	! write (unit_number,) ' Bandes caldyn *'
461	do i=0,mpi_size-1
462	write (unit_number,*) i,jj_nb_caldyn(i)
463	enddo
464
465	! write (unit_number,) ' Bandes vanleer *'
466	do i=0,mpi_size-1
467	write (unit_number,*) i,jj_nb_vanleer(i)
468	enddo
469
470	! write (unit_number,) ' Bandes dissip *'
471	do i=0,mpi_size-1
472	write (unit_number,*) i,jj_nb_dissip(i)
473	enddo
474
475	do i=0,mpi_size-1
476	write (unit_number,*) i,distrib_phys(i)
477	enddo
478
479	CLOSE(unit_number)
480	else
481	print *,'probleme lors de l ecriture des bandes'
482	endif
483
484	end subroutine WriteBands
485
486	end module Bands
487
488
489

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