forked from NOAA-PSL/stochastic_physics
-
Notifications
You must be signed in to change notification settings - Fork 1
/
update_ca.F90
968 lines (814 loc) · 32.3 KB
/
update_ca.F90
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
module update_ca
!Main module for evolving CA in time, also includes
!read and write restart routines, to restart fields
!on the ncellsxncells CA grid
use kinddef
use halo_exchange, only: atmosphere_scalar_field_halo
use random_numbers, only: random_01_CB
use mpi_wrapper, only: mype,mp_reduce_min,mp_reduce_max
use mpp_domains_mod, only: domain2D,mpp_get_global_domain,CENTER, mpp_get_data_domain, mpp_get_compute_domain,mpp_get_ntile_count,&
mpp_define_mosaic,mpp_get_layout,mpp_define_io_domain,mpp_get_io_domain_layout,mpp_get_domain_extents
use mpp_mod, only: mpp_error, mpp_pe, mpp_root_pe, &
NOTE, FATAL
use fms2_io_mod, only: FmsNetcdfDomainFile_t, unlimited, &
open_file, close_file, &
register_axis, register_restart_field, &
register_variable_attribute, register_field, &
read_restart, write_restart, write_data, &
get_global_io_domain_indices, variable_exists
implicit none
public write_ca_restart
public read_ca_restart
public update_cells_sgs
public update_cells_global
integer,allocatable :: board(:,:,:), lives(:,:,:)
integer,allocatable :: board_g(:,:,:), lives_g(:,:,:)
integer,public :: isdnx,iednx,jsdnx,jednx,nxncells,nyncells
integer,public :: iscnx,iecnx,jscnx,jecnx,nxncells_g,nyncells_g
integer,public :: isdnx_g,iednx_g,jsdnx_g,jednx_g
integer,public :: iscnx_g,iecnx_g,jscnx_g,jecnx_g
integer*8, public :: csum
type(domain2D),public :: domain_sgs,domain_global
logical, public :: cold_start_ca_sgs=.true.,cold_start_ca_global=.true.
contains
!Compute CA domain:--------------------------------------------------------------------------
subroutine define_ca_domain(domain_in,domain_out,halo,ncells,nxncells_local,nyncells_local)
implicit none
type(domain2D),intent(inout) :: domain_in
type(domain2D),intent(inout) :: domain_out
integer,intent(in) :: ncells,halo
integer,intent(out) :: nxncells_local, nyncells_local
integer :: layout(2)
integer, allocatable :: xextent(:,:), yextent(:,:)
integer :: ntiles
integer, allocatable :: pe_start(:), pe_end(:)
integer :: i, j, k, n
integer :: nx, ny
integer :: isc,iec,jsc,jec
!--- get params from fv domain mosaic for building domain_out
call mpp_get_global_domain(domain_in,xsize=nx,ysize=ny,position=CENTER)
call mpp_get_layout(domain_in,layout)
ntiles = mpp_get_ntile_count(domain_in)
allocate(xextent(layout(1),ntiles))
allocate(yextent(layout(2),ntiles))
call mpp_get_domain_extents(domain_in,xextent,yextent)
xextent=xextent*ncells
yextent=yextent*ncells
!write(1000+mpp_pe(),*) "nx,ny: ",nx,ny
!write(1000+mpp_pe(),*) "layout: ",layout
!--- define mosaic for domain_out refined by 'ncells' from domain_in
nxncells_local=nx*ncells+1
nyncells_local=ny*ncells+1
allocate(pe_start(ntiles))
allocate(pe_end(ntiles))
do n = 1, ntiles
pe_start(n) = mpp_root_pe() + (n-1)*layout(1)*layout(2)
pe_end(n) = mpp_root_pe() + n*layout(1)*layout(2)-1
enddo
call define_cubic_mosaic(domain_out, nxncells_local-1, nyncells_local-1, &
layout, pe_start, pe_end, halo, ntiles, xextent, yextent )
deallocate(pe_start)
deallocate(pe_end)
deallocate(xextent)
deallocate(yextent)
end subroutine define_ca_domain
!---------------------------------------------------------------------------------------------
subroutine write_ca_restart(timestamp)
!Write restart files
implicit none
character(len=*), optional, intent(in) :: timestamp
character(len=32) :: fn_ca = 'ca_data.nc'
type(FmsNetcdfDomainFile_t) :: CA_restart
integer :: id_restart,nx,ny,i
integer :: is,ie,js,je,nca,nca_g
integer, allocatable, dimension(:) :: buffer
character(7) :: indir='RESTART'
character(72) :: infile
logical :: amiopen
amiopen=.false.
!Return if not allocated:
if(.not. allocated(board) .and. .not. allocated(lives) .and. .not. allocated(board_g) .and. .not. allocated(lives_g))return
infile=trim(indir)//'/'//trim(fn_ca)
if( present(timestamp) ) infile=trim(indir)//'/'//trim(timestamp)//'.'//trim(fn_ca)
!--- register axis
if (allocated(board)) then
amiopen=open_file(CA_restart, trim(infile), 'overwrite', domain=domain_sgs, is_restart=.true., dont_add_res_to_filename=.true.)
if( amiopen ) then
nca=SIZE(board,3)
call mpp_get_compute_domain (domain_sgs,is,ie,js,je)
call register_axis(CA_restart, 'xaxis_1', 'X')
call register_field(CA_restart, 'xaxis_1', 'double', (/'xaxis_1'/))
call register_variable_attribute(CA_restart, 'xaxis_1', 'cartesian_axis', 'X', str_len=1)
call get_global_io_domain_indices(CA_restart, 'xaxis_1', is, ie, indices=buffer)
call write_data(CA_restart, "xaxis_1", buffer)
deallocate(buffer)
call register_axis(CA_restart, 'yaxis_1', 'Y')
call register_field(CA_restart, 'yaxis_1', 'double', (/'yaxis_1'/))
call register_variable_attribute(CA_restart, 'yaxis_1', 'cartesian_axis', 'Y', str_len=1)
call get_global_io_domain_indices(CA_restart, 'yaxis_1', js, je, indices=buffer)
call write_data(CA_restart, "yaxis_1", buffer)
deallocate(buffer)
call register_axis(CA_restart, 'zaxis_1', nca )
call register_field(CA_restart, 'zaxis_1', 'double', (/'zaxis_1'/))
call register_variable_attribute(CA_restart, 'zaxis_1', 'cartesian_axis', 'Z', str_len=1)
allocate( buffer(nca) )
do i=1, nca
buffer(i)=i
end do
call write_data(CA_restart, "zaxis_1", buffer)
deallocate(buffer)
call register_restart_field(CA_restart, "board", board(:,:,:), dimensions=(/'xaxis_1','yaxis_1','zaxis_1'/),is_optional=.false.)
call register_restart_field(CA_restart, "lives", lives(:,:,:), dimensions=(/'xaxis_1','yaxis_1','zaxis_1'/),is_optional=.false.)
call write_restart(CA_restart)
call close_file(CA_restart)
else
call mpp_error(FATAL, 'Error opening file '//trim(infile))
endif
endif
if (allocated(board_g)) then
if ( amiopen) then
amiopen=open_file(CA_restart, trim(infile), 'append', domain=domain_global, is_restart=.true., dont_add_res_to_filename=.true.)
else
amiopen=open_file(CA_restart, trim(infile), 'overwrite', domain=domain_global, is_restart=.true., dont_add_res_to_filename=.true.)
endif
if( amiopen ) then
nca_g=SIZE(board_g,3)
call mpp_get_compute_domain (domain_global,is,ie,js,je)
call register_axis(CA_restart, 'xaxis_2', 'X')
call register_field(CA_restart, 'xaxis_2', 'double', (/'xaxis_2'/))
call register_variable_attribute(CA_restart, 'xaxis_2', 'cartesian_axis', 'X', str_len=1)
call get_global_io_domain_indices(CA_restart, 'xaxis_2', is, ie, indices=buffer)
call write_data(CA_restart, "xaxis_2", buffer)
deallocate(buffer)
call register_axis(CA_restart, 'yaxis_2', 'Y')
call register_field(CA_restart, 'yaxis_2', 'double', (/'yaxis_2'/))
call register_variable_attribute(CA_restart, 'yaxis_2', 'cartesian_axis', 'Y', str_len=1)
call get_global_io_domain_indices(CA_restart, 'yaxis_2', js, je, indices=buffer)
call write_data(CA_restart, "yaxis_2", buffer)
deallocate(buffer)
call register_axis(CA_restart, 'zaxis_2', nca_g)
call register_field(CA_restart, 'zaxis_2', 'double', (/'zaxis_2'/))
call register_variable_attribute(CA_restart, 'zaxis_2', 'cartesian_axis', 'Z', str_len=1)
allocate( buffer(nca_g) )
do i=1, nca_g
buffer(i)=i
end do
call write_data(CA_restart, "zaxis_2", buffer)
deallocate(buffer)
call register_restart_field(CA_restart, "board_g", board_g(:,:,:), dimensions=(/'xaxis_2','yaxis_2','zaxis_2'/),is_optional=.false.)
call register_restart_field(CA_restart, "lives_g", lives_g(:,:,:), dimensions=(/'xaxis_2','yaxis_2','zaxis_2'/),is_optional=.false.)
call write_restart(CA_restart)
call close_file(CA_restart)
else
call mpp_error(FATAL, 'Error opening file '//trim(infile))
endif
endif
end subroutine write_ca_restart
subroutine read_ca_restart(domain_in,halo,ncells,nca,ncells_g,nca_g)
!Read restart files
implicit none
type(FmsNetcdfDomainFile_t) :: CA_restart
type(domain2D), intent(inout) :: domain_in
integer,intent(in) :: ncells,nca,nca_g,ncells_g,halo
character(len=32) :: fn_ca = 'ca_data.nc'
character(len=64) :: fname
integer :: id_restart
integer :: nxc,nyc,i
real :: pi,re,dx
integer :: nx,ny
character(5) :: indir='INPUT'
logical :: amiopen
integer, allocatable, dimension(:) :: io_layout(:)
call mpp_get_global_domain(domain_in,xsize=nx,ysize=ny,position=CENTER)
fname = trim(indir)//'/'//trim(fn_ca)
if (nca .gt. 0 ) then
allocate(io_layout(2))
io_layout=mpp_get_io_domain_layout(domain_in)
call define_ca_domain(domain_in,domain_sgs,halo,ncells,nxncells,nyncells)
call mpp_define_io_domain(domain_sgs, io_layout)
call mpp_get_compute_domain (domain_sgs,iscnx,iecnx,jscnx,jecnx)
amiopen=open_file(CA_restart, trim(fname), 'read', domain=domain_sgs, is_restart=.true., dont_add_res_to_filename=.true.)
if( amiopen ) then
call register_axis(CA_restart, 'xaxis_1', 'X')
call register_axis(CA_restart, 'yaxis_1', 'Y')
call register_axis(CA_restart, 'nca', nca)
!Get CA SGS domain
nxc = iecnx-iscnx+1
nyc = jecnx-jscnx+1
if (.not. allocated(board))then
allocate(board(nxc,nyc,nca))
endif
if (.not. allocated(lives))then
allocate(lives(nxc,nyc,nca))
endif
!Read restart
call register_restart_field(CA_restart, "board", board(:,:,:), dimensions=(/'xaxis_1','yaxis_1','zaxis_1'/),is_optional=.false.)
call register_restart_field(CA_restart, "lives", lives(:,:,:), dimensions=(/'xaxis_1','yaxis_1','zaxis_1'/),is_optional=.false.)
!--- read the CA restart data
call mpp_error(NOTE,'reading CA_sgs restart data from INPUT/ca_data.tile*.nc')
call read_restart(CA_restart)
call close_file(CA_restart)
cold_start_ca_sgs=.false.
else
call mpp_error(NOTE,'No CA_sgs restarts - cold starting CA')
cold_start_ca_sgs=.true.
endif
endif
if (nca_g .gt. 0 ) then
amiopen=open_file(CA_restart, trim(fname), 'read', domain=domain_global, is_restart=.true., dont_add_res_to_filename=.true.)
if( amiopen ) then
call register_axis(CA_restart, 'xaxis_2', 'X')
call register_axis(CA_restart, 'yaxis_2', 'Y')
call register_axis(CA_restart, 'nca_g', nca_g)
call define_ca_domain(domain_in,domain_global,halo,ncells_g,nxncells_g,nyncells_g)
call mpp_define_io_domain(domain_global, io_layout)
call mpp_get_compute_domain (domain_global,iscnx_g,iecnx_g,jscnx_g,jecnx_g)
nxc = iecnx_g-iscnx_g+1
nyc = jecnx_g-jscnx_g+1
if (.not. allocated(board_g))then
allocate(board_g(nxc,nyc,nca_g))
endif
if (.not. allocated(lives_g))then
allocate(lives_g(nxc,nyc,nca_g))
endif
!Read restart
call register_restart_field(CA_restart, "board_g", board_g(:,:,:), dimensions=(/'xaxis_2','yaxis_2','zaxis_2'/),is_optional=.false.)
call register_restart_field(CA_restart, "lives_g", lives_g(:,:,:), dimensions=(/'xaxis_2','yaxis_2','zaxis_2'/),is_optional=.false.)
call mpp_error(NOTE,'reading CA_global restart data from INPUT/ca_data.tile*.nc')
call read_restart(CA_restart)
call close_file(CA_restart)
cold_start_ca_global=.false.
else
call mpp_error(NOTE,'No CA_global restarts - cold starting CA')
cold_start_ca_global=.true.
endif
endif
end subroutine read_ca_restart
subroutine update_cells_sgs(kstep,halo,dt,initialize_ca,iseed_ca,first_flag,restart,first_time_step,nca,nxc,nyc,nxch,nych,nlon,&
nlat,isc,iec,jsc,jec,ca_advect, npx,npy, &
CA,ca_plumes,iini,ilives_in,uhigh,vhigh,dxhigh,nlives, &
nfracseed,nseed,nspinup,nf,nca_plumes,ncells,mytile)
use plumes_mod
implicit none
integer, intent(in) :: kstep,nxc,nyc,nlon,nlat,nxch,nych,nca,isc,iec,jsc,jec,npx,npy
integer(8), intent(in) :: iseed_ca
integer, intent(in) :: iini(nxc,nyc,nca),initialize_ca,ilives_in(nxc,nyc,nca)
integer, intent(in) :: mytile,halo
real(kind_phys), intent(out) :: CA(nlon,nlat)
integer, intent(out) :: ca_plumes(nlon,nlat)
integer, intent(in) :: nlives,nseed, nspinup, nf,ncells
real(kind_phys), intent(in) :: nfracseed,dt,dxhigh(nxc,nyc)
real(kind_phys), intent(inout) :: uhigh(nxc,nyc),vhigh(nxc,nyc)
logical, intent(in) :: nca_plumes,restart,ca_advect,first_flag,first_time_step
integer, allocatable :: V(:),L(:),B(:)
integer, allocatable :: AG(:,:)
integer :: inci, incj, i, j, k,sub,spinup,it,k_in,isize,jsize
integer :: ih, jh,kend, boardmax,livemax, Xn,Yn
real, allocatable :: board_halo(:,:,:)
integer, dimension(nxc,nyc) :: neighbours,birth,thresh,adlives,adgrid
integer, dimension(nxc,nyc) :: newcell, temp,newseed
integer, dimension(ncells,ncells) :: onegrid
integer(8) :: nx_full,ny_full
integer(8) :: iscale = 10000000000
logical, save :: start_from_restart
real, dimension(nxch,nych) :: adlives_halo,adgrid_halo
real, dimension(nxc,nyc) :: noise_b,umax,vmax,umin,vmin,dyhigh
integer(8) :: count, count_rate, count_max, count_trunc
integer :: count4
integer*8 :: i1,j1
real :: ncells2inv
!------------------------------------------------------------------------------------------------
if(first_time_step)then
start_from_restart = .False.
endif
!-------------------------------------------------------------------------------------------------
isize=nlon+2*halo
jsize=nlat+2*halo
k_in=1
if (.not. allocated(board))then
allocate(board(nxc,nyc,nca))
board=0.0
endif
if (.not. allocated(lives))then
allocate(lives(nxc,nyc,nca))
lives=0.0
endif
if(.not. allocated(board_halo))then
allocate(board_halo(nxch,nych,1))
endif
!Step 2: Initialize CA, if restart data exist (board,lives > 0) initialize from restart file, otherwise initialize at time-
!step initialize_ca.
boardmax=maxval(board)
call mp_reduce_max(boardmax)
livemax=maxval(lives)
call mp_reduce_max(livemax)
if(restart .and. first_time_step .and. boardmax > 0 .and. livemax > 0)then
!restart
start_from_restart = .true.
spinup = 1
else
if(kstep < initialize_ca .and. .not. start_from_restart)then
do j=1,nyc
do i=1,nxc
board(i,j,nf) = 0
lives(i,j,nf) = 0
enddo
enddo
endif
if(kstep == initialize_ca .and. .not. start_from_restart)then
do j=1,nyc
do i=1,nxc
board(i,j,nf) = iini(i,j,nf)
lives(i,j,nf) = ilives_in(i,j,nf)*iini(i,j,nf)
enddo
enddo
spinup=nspinup
else
spinup=1
endif
endif
newseed = 0
!seed with new active cells each nseed time-step regardless of restart/cold start
nx_full=int(ncells,kind=8)*int(npx-1,kind=8)
ny_full=int(ncells,kind=8)*int(npy-1,kind=8)
if(mod(kstep,nseed)==0. .and. (kstep >= initialize_ca .or. start_from_restart))then
do j=1,nyc
j1=j+(jsc-1)*ncells
do i=1,nxc
i1=i+(isc-1)*ncells
if (iseed_ca <= 0) then
!call system_clock(count, count_rate, count_max)
count_trunc = iscale*(count/iscale)
count4 = count - count_trunc + mytile *( i1+nx_full*(j1-1)) ! no need to multply by 7 since time will be different in sgs
else
count4 = mod((iseed_ca*nf+mytile)*(i1+nx_full*(j1-1))+ 2147483648_8, 4294967296_8) - 2147483648_8
endif
noise_b(i,j)=real(random_01_CB(kstep,count4),kind=8)
enddo
enddo
do j=1,nyc
do i=1,nxc
if(board(i,j,nf) == 0 .and. noise_b(i,j)>0.90 )then
newseed(i,j) = 1
endif
board(i,j,nf) = board(i,j,nf) + newseed(i,j)
enddo
enddo
endif
!Step 3: Evolve CA
do it = 1,spinup
CA=0
neighbours=0
birth=0
newcell=0
board_halo=0
!--- copy board into the halo-augmented board_halo
board_halo(1+halo:nxc+halo,1+halo:nyc+halo,1) = real(board(1:nxc,1:nyc,1),kind=8)
! write(1000+mpp_pe(),*) "board_halo pre: ",board_halo(20,1:50,1)
!--- perform halo update
call atmosphere_scalar_field_halo (board_halo, halo, nxch, nych, 1, &
iscnx, iecnx, jscnx, jecnx, &
nxncells, nyncells, domain_sgs)
!--- output data to ensure proper update
!write(1000+mpp_pe(),*) "board_halo post: ",board_halo(20,1:50,1)
!--- Count the neighbours
do j=1,nyc
do i=1,nxc
ih=i+halo
jh=j+halo
neighbours(i,j)=board_halo(ih-1,jh-1,1)+board_halo(ih-1,jh,1)+ &
board_halo(ih-1,jh+1,1)+board_halo(ih,jh+1,1)+board_halo(ih+1,jh+1,1)+&
board_halo(ih+1,jh,1)+board_halo(ih+1,jh-1,1)+board_halo(ih,jh-1,1)
enddo
enddo
!--- Check rules;
!birth
do j=1,nyc
do i=1,nxc
if((neighbours(i,j) == 3 .or. neighbours(i,j) == 2))then
birth(i,j)=1
endif
enddo
enddo
!death
do j=1,nyc
do i=1,nxc
if(neighbours(i,j) < 2 .or. neighbours(i,j) > 3)then
lives(i,j,nf)=lives(i,j,nf) - 1
endif
enddo
enddo
do j=1,nyc
do i=1,nxc
if(lives(i,j,nf) < 0)then
lives(i,j,nf)=0
endif
enddo
enddo
do j=1,nyc
do i=1,nxc
if(birth(i,j)==1 .and. lives(i,j,nf)==0)then
newcell(i,j)=1
endif
enddo
enddo
do j=1,nyc
do i=1,nxc
lives(i,j,nf)=lives(i,j,nf)+newcell(i,j)*ilives_in(i,j,nf)
enddo
enddo
do j=1,nyc
do i=1,nxc
if(neighbours(i,j)==3 .or. (board(i,j,nf)==1 .and. neighbours(i,j)==2))then
board(i,j,nf)=1
else
board(i,j,nf)=0
endif
enddo
enddo
enddo !spinup
!ADVECTION OF CA CELLS:
!Let the CFL criteria limit the maximum wind speed, such that the
!advection (distance) of a single CA cell does not move outside the
!Halo region
if(ca_advect)then
do j=1,nyc
do i=1,nxc
dyhigh(i,j)=dxhigh(i,j)
umax(i,j)=((dxhigh(i,j))*halo)/dt
vmax(i,j)=((dyhigh(i,j))*halo)/dt
enddo
enddo
umin(:,:) = -1.0*umax(:,:)
vmin(:,:) = -1.0*vmax(:,:)
do j=1,nyc
do i=1,nxc
uhigh(i,j)=MIN(uhigh(i,j),umax(i,j))
vhigh(i,j)=MIN(vhigh(i,j),vmax(i,j))
uhigh(i,j)=MAX(uhigh(i,j),umin(i,j))
vhigh(i,j)=MAX(vhigh(i,j),vmin(i,j))
enddo
enddo
!Move CA cells in direction of the wind
adlives_halo(:,:)=0.
adgrid_halo(:,:)=0.
do j=1,nyc
do i=1,nxc
ih=i+halo
jh=j+halo
Xn=ih+nint((uhigh(i,j)/dxhigh(i,j))*dt)
Yn=jh+nint((vhigh(i,j)/dyhigh(i,j))*dt)
adgrid_halo(Xn,Yn)=adgrid_halo(Xn,Yn)+board(i,j,nf)
adlives_halo(Xn,Yn)=adlives_halo(Xn,Yn)+lives(i,j,nf)
enddo
enddo
call atmosphere_scalar_field_halo (adgrid_halo, halo, nxch, nych, 1, &
iscnx, iecnx, jscnx, jecnx, &
nxncells, nyncells, domain_sgs)
call atmosphere_scalar_field_halo (adlives_halo, halo, nxch, nych, 1, &
iscnx, iecnx, jscnx, jecnx, &
nxncells, nyncells, domain_sgs)
!--- copy the advected fields from the halo-augmented fields
adgrid(1:nxc,1:nyc) = nint(adgrid_halo(1+halo:nxc+halo,1+halo:nyc+halo))
adlives(1:nxc,1:nyc) = nint(adlives_halo(1+halo:nxc+halo,1+halo:nyc+halo))
do j=1,nyc
do i=1,nxc
lives(i,j,nf)=0.
board(i,j,nf)=0.
lives(i,j,nf)=adlives(i,j)
if(adgrid(i,j)>=1)then
board(i,j,nf)=1
endif
enddo
enddo
endif !advection
!COARSE-GRAIN BACK TO NWP GRID
inci=ncells
incj=ncells
sub=ncells-1
ncells2inv=real(1.0/(ncells*ncells))
DO j=1,nlat
DO i=1,nlon
CA(i,j)=(SUM(lives(inci-sub:inci,incj-sub:incj,nf)))*ncells2inv
inci=inci+ncells
ENDDO
inci=ncells
incj=incj+ncells
ENDDO
if(nca_plumes) then
!COMPUTE NUMBER OF CLUSTERS (CONVECTIVE PLUMES) IN EACH CA-CELL
!Note, at the moment we only use the count of the plumes found in a grid-cell
!In the future the routine "plumes" can also be used to give the size of
!each individual plume for better coupling to the convection scheme.
temp=0
do j=1,nyc
do i=1,nxc
if(lives(i,j,1) > 0)then
temp(i,j)=1
endif
enddo
enddo
kend=ceiling((ncells*ncells)/2.)
if (.not. allocated(V))then
allocate(V(kend))
endif
if (.not. allocated(L))then
allocate(L(kend))
endif
if (.not. allocated(B))then
allocate(B(kend))
endif
if (.not. allocated(AG))then
allocate(AG(ncells,ncells))
endif
ca_plumes(:,:)=0
inci=ncells
incj=ncells
sub=ncells-1
DO j=1,nlat
DO i=1,nlon
B(:)=0
L(:)=0
V(:)=0
onegrid(1:ncells,1:ncells)=temp(inci-sub:inci,incj-sub:incj)
call plumes(V,L,AG,onegrid,ncells,ncells,kend)
do k=1,kend
if(V(k)==1)then
B(k)=L(k) !to avoid considering clusters of 0
endif
enddo
ca_plumes(i,j)=MAXVAL(B(1:kend))
inci=inci+ncells
ENDDO
inci=ncells
incj=incj+ncells
ENDDO
else
ca_plumes(:,:)=0.
endif ! nca_plumes
end subroutine update_cells_sgs
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
subroutine update_cells_global(kstep,halo,first_time_step,iseed_ca,restart,nca,nxc,nyc,nxch,nych,nlon,nlat,isc,iec,jsc,jec, &
npx,npy,CA,iini_g,ilives_g, &
nlives,ncells,nfracseed,nseed,nspinup,nf,mytile)
implicit none
integer, intent(in) :: kstep,nxc,nyc,nlon,nlat,nxch,nych,nca,isc,iec,jsc,jec,npx,npy
integer, intent(in) :: iini_g(nxc,nyc,nca), ilives_g(nxc,nyc)
integer(8), intent(in) :: iseed_ca
real, intent(out) :: CA(nlon,nlat)
logical, intent(in) :: first_time_step
logical, intent(in) :: restart
integer, intent(in) :: nlives, ncells, nseed, nspinup, nf
real, intent(in) :: nfracseed
integer, intent(in) :: mytile, halo
integer,allocatable :: V(:),L(:)
integer :: inci, incj, i, j, k ,sub,spinup,it,k_in,isize,jsize
integer :: ih, jh,kend
real, allocatable :: board_halo(:,:,:)
integer, dimension(nxc,nyc) :: neighbours, birth, thresh
integer, dimension(nxc,nyc) :: newcell, temp,newseed
real, dimension(nxc,nyc) :: noise_b
integer(8) :: count, count_rate, count_max, count_trunc
integer :: count4
integer(8) :: nx_full,ny_full
integer(8) :: iscale = 10000000000
integer*8 :: i1,j1
!-------------------------------------------------------------------------------------------------
isize=nlon+2*halo
jsize=nlat+2*halo
k_in=1
if (.not. allocated(board_g)) allocate(board_g(nxc,nyc,nca))
if (.not. allocated(lives_g)) allocate(lives_g(nxc,nyc,nca))
if (.not. allocated(board_halo)) allocate(board_halo(nxch,nych,1))
if(first_time_step .and. cold_start_ca_global)then
do j=1,nyc
do i=1,nxc
board_g(i,j,nf) = iini_g(i,j,nf)
lives_g(i,j,nf) = ilives_g(i,j)*iini_g(i,j,nf)
enddo
enddo
endif
!Seed with new CA cells at each nseed step
newseed=0
if(mod(kstep,nseed) == 0)then
nx_full=int(npx-1,kind=8)
ny_full=int(npy-1,kind=8)
!random numbers:
do j=1,nyc
j1=j+(jsc-1)*ncells
do i=1,nxc
i1=i+(isc-1)*ncells
if (iseed_ca <= 0) then
!call system_clock(count, count_rate, count_max)
count_trunc = iscale*(count/iscale)
count4 = count - count_trunc + mytile *( i1+nx_full*(j1-1)) ! no need to multply by 7 since time will be different in sgs
else
count4 = mod(iseed_ca*nf+(7*mytile)*(i1+nx_full*(j1-1))+ 2147483648_8, 4294967296_8) - 2147483648_8
endif
noise_b(i,j)=real(random_01_CB(kstep,count4),kind=8)
enddo
enddo
do j=1,nyc
do i=1,nxc
if(board_g(i,j,nf) == 0 .and. noise_b(i,j)>0.75 )then
newseed(i,j)=1
endif
board_g(i,j,nf) = board_g(i,j,nf) + newseed(i,j)
enddo
enddo
endif
if(first_time_step .and. cold_start_ca_global)then
spinup=nspinup
else
spinup = 1
endif
do it=1,spinup
!Step 2 - Initialize variables to 0 and extract the halo
neighbours=0
birth=0
newcell=0
CA=0
board_halo=0
!The input to scalar_field_halo needs to be 1D.
!take the updated board_g fields and extract the halo
! in order to have updated values in the halo region.
!--- copy board into the halo-augmented board_halo
board_halo(1+halo:nxc+halo,1+halo:nyc+halo,1) = real(board_g(1:nxc,1:nyc,nf),kind=8)
!write(1000+mpp_pe(),*) "board_halo pre: ",board_halo(:,:,1)
!--- perform halo update
call atmosphere_scalar_field_halo (board_halo, halo, nxch, nych, 1, &
iscnx_g, iecnx_g, jscnx_g, jecnx_g, &
nxncells_g, nyncells_g, domain_global)
do j=1,nyc
do i=1,nxc
ih=i+halo
jh=j+halo
neighbours(i,j)=board_halo(ih-1,jh-1,1)+board_halo(ih-1,jh,1)+ &
board_halo(ih-1,jh+1,1)+board_halo(ih,jh+1,1)+board_halo(ih+1,jh+1,1)+&
board_halo(ih+1,jh,1)+board_halo(ih+1,jh-1,1)+board_halo(ih,jh-1,1)
enddo
enddo
do j=1,nyc
do i=1,nxc
if(neighbours(i,j)==2 .or. neighbours(i,j)==3)then
birth(i,j)=1
endif
enddo
enddo
do j=1,nyc
do i=1,nxc
if(neighbours(i,j)<2 .or. neighbours(i,j)>3)then
lives_g(i,j,nf)=lives_g(i,j,nf) - 1
endif
enddo
enddo
do j=1,nyc
do i=1,nxc
if(lives_g(i,j,nf)<0)then
lives_g(i,j,nf)=0
endif
enddo
enddo
do j=1,nyc
do i=1,nxc
if(birth(i,j)==1 .and. lives_g(i,j,nf)==0)then
newcell(i,j)=1
endif
enddo
enddo
do j=1,nyc
do i=1,nxc
lives_g(i,j,nf)=lives_g(i,j,nf)+newcell(i,j)*ilives_g(i,j)
enddo
enddo
do j=1,nyc
do i=1,nxc
if( (board_g(i,j,nf) ==1 .and. (neighbours(i,j)==3 .or. neighbours(i,j)==2) ).or. (board_g(i,j,nf)==0 .and. neighbours(i,j)==3) )then
board_g(i,j,nf)=1
else
board_g(i,j,nf)=0
endif
enddo
enddo
enddo !spinup
!COARSE-GRAIN BACK TO NWP GRID
inci=ncells
incj=ncells
sub=ncells-1
DO j=1,nlat
DO i=1,nlon
CA(i,j)=(SUM(lives_g(inci-sub:inci,incj-sub:incj,nf)))/real(ncells*ncells)
inci=inci+ncells
ENDDO
inci=ncells
incj=incj+ncells
ENDDO
end subroutine update_cells_global
!================================
! This subroutine is copied from FMS/test_fms/test_mpp_domains.F90
! and modified to make it simpler to use.
! domain_decomp in fv_mp_mod.F90 does something similar, but it does a
! few other unnecessary things (and requires more arguments).
subroutine define_cubic_mosaic(domain, ni, nj, layout, pe_start, pe_end, halo, ntiles, xextent, yextent)
type(domain2d), intent(inout) :: domain
integer, intent(in) :: ni, nj, ntiles, xextent(:,:), yextent(:,:)
integer, intent(in) :: layout(:)
integer, intent(in) :: pe_start(:), pe_end(:)
integer, intent(in) :: halo
!--- local variables
integer,allocatable :: global_indices(:,:), layout2D(:,:)
integer,allocatable :: istart1(:), iend1(:), jstart1(:), jend1(:), tile1(:)
integer,allocatable :: istart2(:), iend2(:), jstart2(:), jend2(:), tile2(:)
integer :: num_contact
integer :: i
if(size(layout) .NE. 2) call mpp_error(FATAL, &
"define_cubic_mosaic: size of layout should be 2")
if(ntiles==6)then
num_contact = 12
allocate(global_indices(4,ntiles))
allocate(layout2D(2,ntiles))
allocate(istart1(num_contact), iend1(num_contact), jstart1(num_contact), jend1(num_contact), tile1(num_contact) )
allocate(istart2(num_contact), iend2(num_contact), jstart2(num_contact), jend2(num_contact), tile2(num_contact) )
do i = 1, ntiles
layout2D(:,i) = layout(:)
global_indices(1,i) = 1
global_indices(2,i) = ni
global_indices(3,i) = 1
global_indices(4,i) = nj
enddo
!--- Contact line 1, between tile 1 (EAST) and tile 2 (WEST)
tile1(1) = 1; tile2(1) = 2
istart1(1) = ni; iend1(1) = ni; jstart1(1) = 1; jend1(1) = nj
istart2(1) = 1; iend2(1) = 1; jstart2(1) = 1; jend2(1) = nj
!--- Contact line 2, between tile 1 (NORTH) and tile 3 (WEST)
tile1(2) = 1; tile2(2) = 3
istart1(2) = 1; iend1(2) = ni; jstart1(2) = nj; jend1(2) = nj
istart2(2) = 1; iend2(2) = 1; jstart2(2) = nj; jend2(2) = 1
!--- Contact line 3, between tile 1 (WEST) and tile 5 (NORTH)
tile1(3) = 1; tile2(3) = 5
istart1(3) = 1; iend1(3) = 1; jstart1(3) = 1; jend1(3) = nj
istart2(3) = ni; iend2(3) = 1; jstart2(3) = nj; jend2(3) = nj
!--- Contact line 4, between tile 1 (SOUTH) and tile 6 (NORTH)
tile1(4) = 1; tile2(4) = 6
istart1(4) = 1; iend1(4) = ni; jstart1(4) = 1; jend1(4) = 1
istart2(4) = 1; iend2(4) = ni; jstart2(4) = nj; jend2(4) = nj
!--- Contact line 5, between tile 2 (NORTH) and tile 3 (SOUTH)
tile1(5) = 2; tile2(5) = 3
istart1(5) = 1; iend1(5) = ni; jstart1(5) = nj; jend1(5) = nj
istart2(5) = 1; iend2(5) = ni; jstart2(5) = 1; jend2(5) = 1
!--- Contact line 6, between tile 2 (EAST) and tile 4 (SOUTH)
tile1(6) = 2; tile2(6) = 4
istart1(6) = ni; iend1(6) = ni; jstart1(6) = 1; jend1(6) = nj
istart2(6) = ni; iend2(6) = 1; jstart2(6) = 1; jend2(6) = 1
!--- Contact line 7, between tile 2 (SOUTH) and tile 6 (EAST)
tile1(7) = 2; tile2(7) = 6
istart1(7) = 1; iend1(7) = ni; jstart1(7) = 1; jend1(7) = 1
istart2(7) = ni; iend2(7) = ni; jstart2(7) = nj; jend2(7) = 1
!--- Contact line 8, between tile 3 (EAST) and tile 4 (WEST)
tile1(8) = 3; tile2(8) = 4
istart1(8) = ni; iend1(8) = ni; jstart1(8) = 1; jend1(8) = nj
istart2(8) = 1; iend2(8) = 1; jstart2(8) = 1; jend2(8) = nj
!--- Contact line 9, between tile 3 (NORTH) and tile 5 (WEST)
tile1(9) = 3; tile2(9) = 5
istart1(9) = 1; iend1(9) = ni; jstart1(9) = nj; jend1(9) = nj
istart2(9) = 1; iend2(9) = 1; jstart2(9) = nj; jend2(9) = 1
!--- Contact line 10, between tile 4 (NORTH) and tile 5 (SOUTH)
tile1(10) = 4; tile2(10) = 5
istart1(10) = 1; iend1(10) = ni; jstart1(10) = nj; jend1(10) = nj
istart2(10) = 1; iend2(10) = ni; jstart2(10) = 1; jend2(10) = 1
!--- Contact line 11, between tile 4 (EAST) and tile 6 (SOUTH)
tile1(11) = 4; tile2(11) = 6
istart1(11) = ni; iend1(11) = ni; jstart1(11) = 1; jend1(11) = nj
istart2(11) = ni; iend2(11) = 1; jstart2(11) = 1; jend2(11) = 1
!--- Contact line 12, between tile 5 (EAST) and tile 6 (WEST)
tile1(12) = 5; tile2(12) = 6
istart1(12) = ni; iend1(12) = ni; jstart1(12) = 1; jend1(12) = nj
istart2(12) = 1; iend2(12) = 1; jstart2(12) = 1; jend2(12) = nj
else if(ntiles==1) then !Single tile
num_contact = 0
allocate(global_indices(4,ntiles))
allocate(layout2D(2,ntiles))
allocate(istart1(num_contact+1), iend1(num_contact+1), jstart1(num_contact+1), jend1(num_contact+1), tile1(num_contact+1) )
allocate(istart2(num_contact+1), iend2(num_contact+1), jstart2(num_contact+1), jend2(num_contact+1), tile2(num_contact+1) )
do i = 1, ntiles
layout2D(:,i) = layout(:)
global_indices(1,i) = 1
global_indices(2,i) = ni
global_indices(3,i) = 1
global_indices(4,i) = nj
enddo
else
call mpp_error(FATAL, &
"ntiles should be either 6 or 1 to run cellular automata")
endif !global or regional domain
call mpp_define_mosaic(global_indices, layout2D, domain, ntiles, &
num_contact, tile1, tile2, istart1, iend1, jstart1, jend1, &
istart2, iend2, jstart2, jend2, pe_start, pe_end, symmetry=.true., &
whalo=halo, ehalo=halo, shalo=halo, nhalo=halo,name='CA cubic mosaic', &
xextent=xextent, yextent=yextent)
deallocate(global_indices)
deallocate(layout2D)
deallocate(istart1, iend1, jstart1, jend1, tile1)
deallocate(istart2, iend2, jstart2, jend2, tile2)
end subroutine define_cubic_mosaic
end module update_ca