7 |
|
|
8 |
CBOP |
CBOP |
9 |
SUBROUTINE STREAMICE_CG_SOLVE( |
SUBROUTINE STREAMICE_CG_SOLVE( |
10 |
U cg_Uin, |
U cg_Uin, ! x-velocities |
11 |
U cg_Vin, |
U cg_Vin, ! y-velocities |
12 |
I cg_Bu, |
I cg_Bu, ! force in x dir |
13 |
I cg_Bv, |
I cg_Bv, ! force in y dir |
14 |
|
I A_uu, ! section of matrix that multiplies u and projects on u |
15 |
|
I A_uv, ! section of matrix that multiplies v and projects on u |
16 |
|
I A_vu, ! section of matrix that multiplies u and projects on v |
17 |
|
I A_vv, ! section of matrix that multiplies v and projects on v |
18 |
I tolerance, |
I tolerance, |
19 |
O iters, |
O iters, |
20 |
I myThid ) |
I myThid ) |
26 |
C \============================================================/ |
C \============================================================/ |
27 |
IMPLICIT NONE |
IMPLICIT NONE |
28 |
|
|
|
C === Global variables === |
|
29 |
#include "SIZE.h" |
#include "SIZE.h" |
30 |
#include "EEPARAMS.h" |
#include "EEPARAMS.h" |
31 |
#include "PARAMS.h" |
#include "PARAMS.h" |
32 |
#include "STREAMICE.h" |
#include "STREAMICE.h" |
33 |
#include "STREAMICE_CG.h" |
#include "STREAMICE_CG.h" |
34 |
|
|
35 |
|
|
36 |
|
|
37 |
|
#ifdef ALLOW_PETSC |
38 |
|
#include "finclude/petsc.h" |
39 |
|
! UNCOMMENT IF V3.0 |
40 |
|
!#include "finclude/petscvec.h" |
41 |
|
!#include "finclude/petscmat.h" |
42 |
|
!#include "finclude/petscksp.h" |
43 |
|
!#include "finclude/petscpc.h" |
44 |
|
#endif |
45 |
|
C === Global variables === |
46 |
|
|
47 |
|
|
48 |
C !INPUT/OUTPUT ARGUMENTS |
C !INPUT/OUTPUT ARGUMENTS |
49 |
C cg_Uin, cg_Vin - input and output velocities |
C cg_Uin, cg_Vin - input and output velocities |
55 |
_RL cg_Vin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL cg_Vin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
56 |
_RL cg_Bu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL cg_Bu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
57 |
_RL cg_Bv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL cg_Bv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
58 |
|
_RL |
59 |
|
& A_uu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
60 |
|
& A_vu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
61 |
|
& A_uv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
62 |
|
& A_vv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1) |
63 |
|
|
64 |
C LOCAL VARIABLES |
C LOCAL VARIABLES |
65 |
INTEGER i, j, bi, bj, cg_halo, conv_flag |
INTEGER i, j, bi, bj, cg_halo, conv_flag |
66 |
INTEGER iter, is, js, ie, je, colx, coly, k |
INTEGER iter, is, js, ie, je, colx, coly, k |
67 |
_RL dot_p1, dot_p2, resid_0, alpha_k, beta_k, resid |
_RL dot_p1, dot_p2, alpha_k, beta_k, resid, resid_0 |
68 |
_RL dot_p1_tile (nSx,nSy) |
_RL dot_p1_tile (nSx,nSy) |
69 |
_RL dot_p2_tile (nSx,nSy) |
_RL dot_p2_tile (nSx,nSy) |
70 |
|
CHARACTER*(MAX_LEN_MBUF) msgBuf |
71 |
|
|
72 |
|
|
73 |
|
#ifdef ALLOW_PETSC |
74 |
|
INTEGER indices(2*(snx*nsx*sny*nsy)) |
75 |
|
INTEGER n_dofs_cum_sum (0:nPx*nPy-1), idx(1) |
76 |
|
_RL rhs_values(2*(snx*nsx*sny*nsy)) |
77 |
|
_RL solution_values(2*(snx*nsx*sny*nsy)) |
78 |
|
! _RL mat_values (2*Nx*Ny,2*(snx*nsx*sny*nsy)) |
79 |
|
_RL mat_values (18,1), mat_val_return(1) |
80 |
|
INTEGER indices_col(18) |
81 |
|
INTEGER local_dofs, global_dofs, dof_index, dof_index_col |
82 |
|
INTEGER local_offset |
83 |
|
Mat matrix |
84 |
|
KSP ksp |
85 |
|
PC pc |
86 |
|
Vec rhs |
87 |
|
Vec solution |
88 |
|
PetscErrorCode ierr |
89 |
|
#ifdef ALLOW_USE_MPI |
90 |
|
integer mpiRC, mpiMyWid |
91 |
|
#endif |
92 |
|
#endif |
93 |
|
|
|
iters = streamice_max_cg_iter |
|
94 |
|
|
95 |
#ifdef ALLOW_STREAMICE |
#ifdef ALLOW_STREAMICE |
96 |
|
|
97 |
|
|
98 |
|
|
99 |
|
CALL TIMER_START ('STREAMICE_CG_SOLVE',myThid) |
100 |
|
#ifndef STREAMICE_SERIAL_TRISOLVE |
101 |
|
|
102 |
|
#ifdef ALLOW_PETSC |
103 |
|
|
104 |
|
#ifdef ALLOW_USE_MPI |
105 |
|
|
106 |
|
|
107 |
|
CALL MPI_COMM_RANK( MPI_COMM_WORLD, mpiMyWId, mpiRC ) |
108 |
|
local_dofs = n_dofs_process (mpiMyWid) |
109 |
|
global_dofs = 0 |
110 |
|
|
111 |
|
n_dofs_cum_sum(0) = 0 |
112 |
|
DO i=0,nPx*nPy-1 |
113 |
|
global_dofs = global_dofs + n_dofs_process (i) |
114 |
|
if (i.ge.1) THEN |
115 |
|
n_dofs_cum_sum(i) = n_dofs_cum_sum(i-1)+ |
116 |
|
& n_dofs_process(i-1) |
117 |
|
endif |
118 |
|
ENDDO |
119 |
|
local_offset = n_dofs_cum_sum(mpimywid) |
120 |
|
|
121 |
|
#else |
122 |
|
|
123 |
|
local_dofs = n_dofs_process (0) |
124 |
|
global_dofs = local_dofs |
125 |
|
local_offset = 0 |
126 |
|
|
127 |
|
#endif |
128 |
|
|
129 |
|
! call petscInitialize(PETSC_NULL_CHARACTER,ierr) |
130 |
|
|
131 |
|
!---------------------- |
132 |
|
|
133 |
|
call VecCreate(PETSC_COMM_WORLD, rhs, ierr) |
134 |
|
call VecSetSizes(rhs, local_dofs, global_dofs, ierr) |
135 |
|
call VecSetType(rhs, VECMPI, ierr) |
136 |
|
|
137 |
|
call VecCreate(PETSC_COMM_WORLD, solution, ierr) |
138 |
|
call VecSetSizes(solution, local_dofs, global_dofs, ierr) |
139 |
|
call VecSetType(solution, VECMPI, ierr) |
140 |
|
|
141 |
|
do i=1,local_dofs |
142 |
|
indices(i) = i-1 + local_offset |
143 |
|
end do |
144 |
|
do i=1,2*nSx*nSy*sNx*sNy |
145 |
|
rhs_values (i) = 0. _d 0 |
146 |
|
solution_values (i) = 0. _d 0 |
147 |
|
enddo |
148 |
|
|
149 |
|
! gather rhs and initial guess values to populate petsc vectors |
150 |
|
|
151 |
|
DO bj = myByLo(myThid), myByHi(myThid) |
152 |
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
153 |
|
DO j=1,sNy |
154 |
|
DO i=1,sNx |
155 |
|
|
156 |
|
dof_index = INT(streamice_petsc_dofs_u(i,j,bi,bj)) |
157 |
|
& - local_offset |
158 |
|
|
159 |
|
if (dof_index.ge.0) THEN |
160 |
|
|
161 |
|
rhs_values(dof_index+1) = cg_Bu(i,j,bi,bj) |
162 |
|
solution_values(dof_index+1) = cg_Uin(i,j,bi,bj) |
163 |
|
|
164 |
|
endif |
165 |
|
|
166 |
|
!--------------- |
167 |
|
|
168 |
|
dof_index = INT(streamice_petsc_dofs_v(i,j,bi,bj)) |
169 |
|
& - local_offset |
170 |
|
|
171 |
|
if (dof_index.ge.0) THEN |
172 |
|
|
173 |
|
rhs_values(dof_index+1) = cg_Bv(i,j,bi,bj) |
174 |
|
solution_values(dof_index+1) = cg_Vin(i,j,bi,bj) |
175 |
|
|
176 |
|
endif |
177 |
|
|
178 |
|
ENDDO |
179 |
|
ENDDO |
180 |
|
ENDDO |
181 |
|
ENDDO |
182 |
|
|
183 |
|
|
184 |
|
call VecSetValues(rhs, local_dofs, indices, rhs_values, |
185 |
|
& INSERT_VALUES, ierr) |
186 |
|
call VecAssemblyBegin(rhs, ierr) |
187 |
|
call VecAssemblyEnd(rhs, ierr) |
188 |
|
|
189 |
|
|
190 |
|
call VecSetValues(solution, local_dofs, indices, |
191 |
|
& solution_values, INSERT_VALUES, ierr) |
192 |
|
call VecAssemblyBegin(solution, ierr) |
193 |
|
call VecAssemblyEnd(solution, ierr) |
194 |
|
|
195 |
|
! IF USING v3.0 THEN |
196 |
|
! call MatCreateMPIAIJ (PETSC_COMM_WORLD, |
197 |
|
call MatCreateAIJ (PETSC_COMM_WORLD, |
198 |
|
& local_dofs, local_dofs, |
199 |
|
& global_dofs, global_dofs, |
200 |
|
& 18, PETSC_NULL_INTEGER, |
201 |
|
& 18, PETSC_NULL_INTEGER, |
202 |
|
& matrix, ierr) |
203 |
|
|
204 |
|
|
205 |
|
! populate petsc matrix |
206 |
|
|
207 |
|
DO bj = myByLo(myThid), myByHi(myThid) |
208 |
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
209 |
|
DO j=1,sNy |
210 |
|
DO i=1,sNx |
211 |
|
|
212 |
|
dof_index = INT(streamice_petsc_dofs_u(i,j,bi,bj)) |
213 |
|
! & - local_offset |
214 |
|
|
215 |
|
IF (dof_index .ge. 0) THEN |
216 |
|
|
217 |
|
DO k=1,18 |
218 |
|
indices_col(k) = 0 |
219 |
|
mat_values(k,1) = 0. _d 0 |
220 |
|
ENDDO |
221 |
|
k=0 |
222 |
|
|
223 |
|
DO coly=-1,1 |
224 |
|
DO colx=-1,1 |
225 |
|
|
226 |
|
dof_index_col = streamice_petsc_dofs_u(i+colx,j+coly,bi,bj) |
227 |
|
|
228 |
|
if (dof_index_col.ge.0) THEN |
229 |
|
! pscal = A_uu(i,j,bi,bj,colx,coly) |
230 |
|
! CALL MatSetValue (matrix,dof_index, dof_index_col, |
231 |
|
! & pscal,INSERT_VALUES,ierr) |
232 |
|
k=k+1 |
233 |
|
mat_values (k,1) = A_uu(i,j,bi,bj,colx,coly) |
234 |
|
indices_col (k) = dof_index_col |
235 |
|
endif |
236 |
|
|
237 |
|
dof_index_col = streamice_petsc_dofs_v(i+colx,j+coly,bi,bj) |
238 |
|
|
239 |
|
if (dof_index_col.ge.0) THEN |
240 |
|
! CALL MatSetValue (matrix,dof_index, dof_index_col, |
241 |
|
! & A_uv(i,j,bi,bj,colx,coly),INSERT_VALUES,ierr) |
242 |
|
k=k+1 |
243 |
|
mat_values (k,1) = A_uv(i,j,bi,bj,colx,coly) |
244 |
|
indices_col (k) = dof_index_col |
245 |
|
endif |
246 |
|
|
247 |
|
ENDDO |
248 |
|
ENDDO |
249 |
|
|
250 |
|
call matSetValues (matrix, 1, dof_index, k, indices_col, |
251 |
|
& mat_values,INSERT_VALUES,ierr) |
252 |
|
|
253 |
|
|
254 |
|
ENDIF |
255 |
|
|
256 |
|
! ---------------------------------------------- |
257 |
|
|
258 |
|
dof_index = INT(streamice_petsc_dofs_v(i,j,bi,bj)) |
259 |
|
! & - local_offset |
260 |
|
|
261 |
|
IF (dof_index .ge. 0) THEN |
262 |
|
|
263 |
|
DO k=1,18 |
264 |
|
indices_col(k) = 0 |
265 |
|
mat_values(k,1) = 0. _d 0 |
266 |
|
ENDDO |
267 |
|
k=0 |
268 |
|
|
269 |
|
DO coly=-1,1 |
270 |
|
DO colx=-1,1 |
271 |
|
|
272 |
|
dof_index_col = streamice_petsc_dofs_u(i+colx,j+coly,bi,bj) |
273 |
|
|
274 |
|
if (dof_index_col.ge.0) THEN |
275 |
|
! CALL MatSetValue (matrix,dof_index, dof_index_col, |
276 |
|
! & A_vu(i,j,bi,bj,colx,coly),INSERT_VALUES,ierr) |
277 |
|
k=k+1 |
278 |
|
mat_values (k,1) = A_vu(i,j,bi,bj,colx,coly) |
279 |
|
indices_col (k) = dof_index_col |
280 |
|
endif |
281 |
|
|
282 |
|
dof_index_col = streamice_petsc_dofs_v(i+colx,j+coly,bi,bj) |
283 |
|
|
284 |
|
if (dof_index_col.ge.0) THEN |
285 |
|
! CALL MatSetValue (matrix,dof_index, dof_index_col, |
286 |
|
! & A_vv(i,j,bi,bj,colx,coly),INSERT_VALUES,ierr) |
287 |
|
k=k+1 |
288 |
|
mat_values (k,1) = A_vv(i,j,bi,bj,colx,coly) |
289 |
|
indices_col (k) = dof_index_col |
290 |
|
endif |
291 |
|
|
292 |
|
ENDDO |
293 |
|
ENDDO |
294 |
|
|
295 |
|
call matSetValues (matrix, 1, dof_index, k, indices_col, |
296 |
|
& mat_values,INSERT_VALUES,ierr) |
297 |
|
ENDIF |
298 |
|
|
299 |
|
ENDDO |
300 |
|
ENDDO |
301 |
|
ENDDO |
302 |
|
ENDDO |
303 |
|
|
304 |
|
call MatAssemblyBegin(matrix,MAT_FINAL_ASSEMBLY,ierr) |
305 |
|
call MatAssemblyEnd(matrix,MAT_FINAL_ASSEMBLY,ierr) |
306 |
|
|
307 |
|
|
308 |
|
call KSPCreate(PETSC_COMM_WORLD, ksp, ierr) |
309 |
|
call KSPSetOperators(ksp, matrix, matrix, |
310 |
|
& DIFFERENT_NONZERO_PATTERN, ierr) |
311 |
|
|
312 |
|
SELECT CASE (PETSC_SOLVER_TYPE) |
313 |
|
CASE ('CG') |
314 |
|
PRINT *, "PETSC SOLVER: SELECTED CG" |
315 |
|
call KSPSetType(ksp, KSPCG, ierr) |
316 |
|
CASE ('GMRES') |
317 |
|
PRINT *, "PETSC SOLVER: SELECTED GMRES" |
318 |
|
call KSPSetType(ksp, KSPGMRES, ierr) |
319 |
|
CASE ('BICG') |
320 |
|
PRINT *, "PETSC SOLVER: SELECTED BICG" |
321 |
|
call KSPSetType(ksp, KSPBICG, ierr) |
322 |
|
CASE DEFAULT |
323 |
|
PRINT *, "PETSC SOLVER: SELECTED DEFAULT" |
324 |
|
call KSPSetType(ksp, KSPCG, ierr) |
325 |
|
END SELECT |
326 |
|
|
327 |
|
call KSPGetPC(ksp, pc, ierr) |
328 |
|
call KSPSetTolerances(ksp,tolerance, |
329 |
|
& PETSC_DEFAULT_DOUBLE_PRECISION, |
330 |
|
& PETSC_DEFAULT_DOUBLE_PRECISION, |
331 |
|
& streamice_max_cg_iter,ierr) |
332 |
|
|
333 |
|
SELECT CASE (PETSC_PRECOND_TYPE) |
334 |
|
CASE ('BLOCKJACOBI') |
335 |
|
PRINT *, "PETSC PRECOND: SELECTED BJACOBI" |
336 |
|
call PCSetType(pc, PCBJACOBI, ierr) |
337 |
|
CASE ('JACOBI') |
338 |
|
PRINT *, "PETSC PRECOND: SELECTED JACOBI" |
339 |
|
call PCSetType(pc, PCJACOBI, ierr) |
340 |
|
CASE ('ILU') |
341 |
|
PRINT *, "PETSC PRECOND: SELECTED ILU" |
342 |
|
call PCSetType(pc, PCILU, ierr) |
343 |
|
CASE DEFAULT |
344 |
|
PRINT *, "PETSC PRECOND: SELECTED DEFAULT" |
345 |
|
call PCSetType(pc, PCBJACOBI, ierr) |
346 |
|
END SELECT |
347 |
|
|
348 |
|
|
349 |
|
call KSPSolve(ksp, rhs, solution, ierr) |
350 |
|
call KSPGetIterationNumber(ksp,iters,ierr) |
351 |
|
|
352 |
|
call VecGetValues(solution,local_dofs,indices, |
353 |
|
& solution_values,ierr) |
354 |
|
|
355 |
|
DO bj = myByLo(myThid), myByHi(myThid) |
356 |
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
357 |
|
DO j=1,sNy |
358 |
|
DO i=1,sNx |
359 |
|
|
360 |
|
dof_index = INT(streamice_petsc_dofs_u(i,j,bi,bj)) |
361 |
|
& - local_offset |
362 |
|
if (dof_index.ge.0) THEN |
363 |
|
cg_Uin(i,j,bi,bj) = solution_values(dof_index+1) |
364 |
|
endif |
365 |
|
|
366 |
|
dof_index = INT(streamice_petsc_dofs_v(i,j,bi,bj)) |
367 |
|
& - local_offset |
368 |
|
if (dof_index.ge.0) THEN |
369 |
|
cg_Vin(i,j,bi,bj) = solution_values(dof_index+1) |
370 |
|
endif |
371 |
|
|
372 |
|
ENDDO |
373 |
|
ENDDO |
374 |
|
ENDDO |
375 |
|
ENDDO |
376 |
|
|
377 |
|
|
378 |
|
|
379 |
|
#else /* ALLOW_PETSC */ |
380 |
|
|
381 |
|
|
382 |
|
iters = streamice_max_cg_iter |
383 |
conv_flag = 0 |
conv_flag = 0 |
384 |
|
|
385 |
|
|
386 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
387 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
388 |
DO j=1,sNy |
DO j=1,sNy |
389 |
DO i=1,sNx |
DO i=1,sNx |
390 |
Zu_SI (i,j,bi,bj) = 0. _d 0 |
Zu_SI (i,j,bi,bj) = 0. _d 0 |
391 |
Zv_SI (i,j,bi,bj) = 0. _d 0 |
Zv_SI (i,j,bi,bj) = 0. _d 0 |
|
DIAGu_SI (i,j,bi,bj) = 0. _d 0 |
|
|
DIAGv_SI (i,j,bi,bj) = 0. _d 0 |
|
392 |
Ru_SI (i,j,bi,bj) = 0. _d 0 |
Ru_SI (i,j,bi,bj) = 0. _d 0 |
393 |
Rv_SI (i,j,bi,bj) = 0. _d 0 |
Rv_SI (i,j,bi,bj) = 0. _d 0 |
394 |
Au_SI (i,j,bi,bj) = 0. _d 0 |
Au_SI (i,j,bi,bj) = 0. _d 0 |
395 |
Av_SI (i,j,bi,bj) = 0. _d 0 |
Av_SI (i,j,bi,bj) = 0. _d 0 |
396 |
Du_SI (i,j,bi,bj) = 0. _d 0 |
Du_SI (i,j,bi,bj) = 0. _d 0 |
397 |
Dv_SI (i,j,bi,bj) = 0. _d 0 |
Dv_SI (i,j,bi,bj) = 0. _d 0 |
|
ubd_SI (i,j,bi,bj) = 0. _d 0 |
|
|
vbd_SI (i,j,bi,bj) = 0. _d 0 |
|
398 |
ENDDO |
ENDDO |
399 |
ENDDO |
ENDDO |
400 |
ENDDO |
ENDDO |
401 |
ENDDO |
ENDDO |
402 |
|
|
403 |
|
C FIND INITIAL RESIDUAL, and initialize r |
404 |
|
|
405 |
C PREAMBLE: get bdry contribution, find matrix diagonal, |
! #ifdef STREAMICE_CONSTRUCT_MATRIX |
|
C initialize iterates R (residual), Z, and D |
|
406 |
|
|
407 |
CALL STREAMICE_CG_BOUND_VALS( myThid, |
|
|
O ubd_SI, |
|
|
O vbd_SI) |
|
408 |
|
|
409 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
410 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
411 |
DO j=1-OLy,sNy+OLy |
DO j=1,sNy |
412 |
DO i=1-OLx,sNx+OLx |
DO i=1,sNx |
413 |
RHSu_SI (i,j,bi,bj) = cg_Bu(i,j,bi,bj) |
DO colx=-1,1 |
414 |
& - ubd_SI(i,j,bi,bj) |
DO coly=-1,1 |
415 |
RHSv_SI (i,j,bi,bj) = cg_Bv(i,j,bi,bj) |
Au_SI(i,j,bi,bj) = Au_SI(i,j,bi,bj) + |
416 |
& - vbd_SI(i,j,bi,bj) |
& A_uu(i,j,bi,bj,colx,coly)* |
417 |
ENDDO |
& cg_Uin(i+colx,j+coly,bi,bj)+ |
418 |
ENDDO |
& A_uv(i,j,bi,bj,colx,coly)* |
419 |
ENDDO |
& cg_Vin(i+colx,j+coly,bi,bj) |
|
ENDDO |
|
|
|
|
|
_EXCH_XY_RL( RHSu_SI, myThid ) |
|
|
_EXCH_XY_RL( RHSv_SI, myThid ) |
|
420 |
|
|
|
CALL STREAMICE_CG_ADIAG( myThid, |
|
|
O DIAGu_SI, |
|
|
O DIAGv_SI) |
|
421 |
|
|
422 |
_EXCH_XY_RL( DIAGu_SI, myThid ) |
Av_SI(i,j,bi,bj) = Av_SI(i,j,bi,bj) + |
423 |
_EXCH_XY_RL( DIAGv_SI, myThid ) |
& A_vu(i,j,bi,bj,colx,coly)* |
424 |
|
& cg_Uin(i+colx,j+coly,bi,bj)+ |
425 |
C FIX PROBLEM WITH PRECOND LATER |
& A_vv(i,j,bi,bj,colx,coly)* |
426 |
|
& cg_Vin(i+colx,j+coly,bi,bj) |
427 |
! DO bj = myByLo(myThid), myByHi(myThid) |
ENDDO |
428 |
! DO bi = myBxLo(myThid), myBxHi(myThid) |
ENDDO |
429 |
! DO j=1-OLy,sNy+OLy |
ENDDO |
430 |
! DO i=1-OLx,sNx+OLx |
ENDDO |
431 |
! DIAGu_SI(i,j,bi,bj)=1.0 |
ENDDO |
432 |
! DIAGv_SI(i,j,bi,bj)=1.0 |
ENDDO |
|
! ENDDO |
|
|
! ENDDO |
|
|
! ENDDO |
|
|
! ENDDO |
|
|
|
|
|
CALL STREAMICE_CG_ACTION( myThid, |
|
|
O Au_SI, |
|
|
O Av_SI, |
|
|
I cg_Uin, |
|
|
I cg_Vin, |
|
|
I 0, sNx+1, 0, sNy+1 ) |
|
433 |
|
|
434 |
|
|
435 |
_EXCH_XY_RL( Au_SI, myThid ) |
_EXCH_XY_RL( Au_SI, myThid ) |
436 |
_EXCH_XY_RL( Av_SI, myThid ) |
_EXCH_XY_RL( Av_SI, myThid ) |
437 |
|
|
438 |
|
|
439 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
440 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
441 |
DO j=1-OLy,sNy+OLy |
DO j=1-OLy,sNy+OLy |
442 |
DO i=1-OLx,sNx+OLx |
DO i=1-OLx,sNx+OLx |
443 |
Ru_SI(i,j,bi,bj)=RHSu_SI(i,j,bi,bj)- |
Ru_SI(i,j,bi,bj)=cg_Bu(i,j,bi,bj)- |
444 |
& Au_SI(i,j,bi,bj) |
& Au_SI(i,j,bi,bj) |
445 |
Rv_SI(i,j,bi,bj)=RHSv_SI(i,j,bi,bj)- |
Rv_SI(i,j,bi,bj)=cg_Bv(i,j,bi,bj)- |
446 |
& Av_SI(i,j,bi,bj) |
& Av_SI(i,j,bi,bj) |
447 |
ENDDO |
ENDDO |
448 |
ENDDO |
ENDDO |
451 |
ENDDO |
ENDDO |
452 |
ENDDO |
ENDDO |
453 |
|
|
454 |
|
|
455 |
|
|
456 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
457 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
458 |
DO j=1,sNy |
DO j=1,sNy |
469 |
CALL GLOBAL_SUM_TILE_RL( dot_p1_tile, dot_p1, myThid ) |
CALL GLOBAL_SUM_TILE_RL( dot_p1_tile, dot_p1, myThid ) |
470 |
resid_0 = sqrt(dot_p1) |
resid_0 = sqrt(dot_p1) |
471 |
|
|
472 |
|
WRITE(msgBuf,'(A,E14.7)') 'CONJ GRAD INIT RESID, ', |
473 |
|
& resid_0 |
474 |
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
475 |
|
& SQUEEZE_RIGHT , 1) |
476 |
|
|
477 |
|
C CCCCCCCCCCCCCCCCCCCC |
478 |
|
|
479 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
480 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
481 |
DO j=1-OLy,sNy+OLy |
DO j=1-OLy,sNy+OLy |
489 |
ENDDO |
ENDDO |
490 |
ENDDO |
ENDDO |
491 |
|
|
|
|
|
492 |
cg_halo = min(OLx-1,OLy-1) |
cg_halo = min(OLx-1,OLy-1) |
493 |
conv_flag = 0 |
conv_flag = 0 |
494 |
|
|
511 |
c !! MAIN CG LOOP !! |
c !! MAIN CG LOOP !! |
512 |
c !! !! |
c !! !! |
513 |
c !!!!!!!!!!!!!!!!!! |
c !!!!!!!!!!!!!!!!!! |
514 |
|
|
515 |
|
|
516 |
|
|
517 |
|
|
518 |
c ! initially, b-grid data is valid up to 3 halo nodes out -- right? (check for MITgcm!!) |
c ! initially, b-grid data is valid up to 3 halo nodes out -- right? (check for MITgcm!!) |
519 |
|
|
520 |
print *, "BEGINNING MAIN CG LOOP" |
WRITE(msgBuf,'(A)') 'BEGINNING MAIN CG LOOP' |
521 |
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
522 |
|
& SQUEEZE_RIGHT , 1) |
523 |
|
|
524 |
! IF(STREAMICE_construct_matrix) CALL STREAMICE_CG_MAKE_A(myThid) |
! IF(STREAMICE_construct_matrix) CALL STREAMICE_CG_MAKE_A(myThid) |
|
#ifdef STREAMICE_CONSTRUCT_MATRIX |
|
|
|
|
|
CALL STREAMICE_CG_MAKE_A(myThid) |
|
525 |
|
|
|
#endif |
|
526 |
|
|
527 |
do iter = 1, streamice_max_cg_iter |
do iter = 1, streamice_max_cg_iter |
528 |
if (resid .gt. tolerance*resid_0) then |
if (resid .gt. tolerance*resid_0) then |
541 |
DO i=1-OLx,sNx+OLx |
DO i=1-OLx,sNx+OLx |
542 |
Au_SI(i,j,bi,bj) = 0. _d 0 |
Au_SI(i,j,bi,bj) = 0. _d 0 |
543 |
Av_SI(i,j,bi,bj) = 0. _d 0 |
Av_SI(i,j,bi,bj) = 0. _d 0 |
|
! Du_SI(i,j,bi,bj) = Real(i) |
|
|
! Dv_SI(i,j,bi,bj) = 0.0 |
|
544 |
ENDDO |
ENDDO |
545 |
ENDDO |
ENDDO |
546 |
ENDDO |
ENDDO |
548 |
|
|
549 |
! IF (STREAMICE_construct_matrix) THEN |
! IF (STREAMICE_construct_matrix) THEN |
550 |
|
|
551 |
#ifdef STREAMICE_CONSTRUCT_MATRIX |
! #ifdef STREAMICE_CONSTRUCT_MATRIX |
552 |
|
|
553 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
554 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
557 |
DO colx=-1,1 |
DO colx=-1,1 |
558 |
DO coly=-1,1 |
DO coly=-1,1 |
559 |
Au_SI(i,j,bi,bj) = Au_SI(i,j,bi,bj) + |
Au_SI(i,j,bi,bj) = Au_SI(i,j,bi,bj) + |
560 |
& streamice_cg_A1(i,j,bi,bj,colx,coly)* |
& A_uu(i,j,bi,bj,colx,coly)* |
561 |
& Du_SI(i+colx,j+coly,bi,bj)+ |
& Du_SI(i+colx,j+coly,bi,bj)+ |
562 |
& streamice_cg_A2(i,j,bi,bj,colx,coly)* |
& A_uv(i,j,bi,bj,colx,coly)* |
563 |
& Dv_SI(i+colx,j+coly,bi,bj) |
& Dv_SI(i+colx,j+coly,bi,bj) |
564 |
Av_SI(i,j,bi,bj) = Av_SI(i,j,bi,bj) + |
Av_SI(i,j,bi,bj) = Av_SI(i,j,bi,bj) + |
565 |
& streamice_cg_A3(i,j,bi,bj,colx,coly)* |
& A_vu(i,j,bi,bj,colx,coly)* |
566 |
& Du_SI(i+colx,j+coly,bi,bj)+ |
& Du_SI(i+colx,j+coly,bi,bj)+ |
567 |
& streamice_cg_A4(i,j,bi,bj,colx,coly)* |
& A_vv(i,j,bi,bj,colx,coly)* |
568 |
& Dv_SI(i+colx,j+coly,bi,bj) |
& Dv_SI(i+colx,j+coly,bi,bj) |
569 |
ENDDO |
ENDDO |
570 |
ENDDO |
ENDDO |
574 |
ENDDO |
ENDDO |
575 |
|
|
576 |
! else |
! else |
577 |
#else |
! #else |
578 |
|
! |
579 |
CALL STREAMICE_CG_ACTION( myThid, |
! CALL STREAMICE_CG_ACTION( myThid, |
580 |
O Au_SI, |
! O Au_SI, |
581 |
O Av_SI, |
! O Av_SI, |
582 |
I Du_SI, |
! I Du_SI, |
583 |
I Dv_SI, |
! I Dv_SI, |
584 |
I is,ie,js,je) |
! I is,ie,js,je) |
585 |
|
! |
586 |
! ENDIF |
! ! ENDIF |
587 |
|
! |
588 |
#endif |
! #endif |
589 |
|
|
|
! ! if (iter.eq.1) then |
|
|
! ! CALL WRITE_FLD_XY_RL ("Au2","",Au_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL ("Av2","",Av_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL ("Du","",Du_SI,0,myThid) |
|
|
! ! |
|
|
! ! CALL WRITE_FLD_XY_RL("Dv","",Au_SI,0,myThid) |
|
|
! ! |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagU1","",Diagu_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagV1","",Diagv_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagU2","", |
|
|
! ! & streamice_cg_A1(i,j,bi,bj,0,0),0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagV2","", |
|
|
! ! & streamice_cg_A4(i,j,bi,bj,0,0),0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL("DiagV2","",Diagv_SI,0,myThid) |
|
|
! ! |
|
|
! ! endif |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
! ! if (iter.eq.1) then |
|
|
! ! CALL WRITE_FLD_XY_RL ("Au1","",Au_SI,0,myThid) |
|
|
! ! CALL WRITE_FLD_XY_RL ("Av1","",Av_SI,0,myThid) |
|
|
! ! |
|
|
! ! endif |
|
|
|
|
|
|
|
590 |
|
|
591 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
592 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
741 |
_EXCH_XY_RL( cg_Vin, myThid ) |
_EXCH_XY_RL( cg_Vin, myThid ) |
742 |
endif |
endif |
743 |
|
|
744 |
|
|
745 |
endif |
endif |
746 |
enddo ! end of CG loop |
enddo ! end of CG loop |
747 |
|
|
752 |
conv_flag = 1 |
conv_flag = 1 |
753 |
ENDIF |
ENDIF |
754 |
|
|
755 |
DO bj = myByLo(myThid), myByHi(myThid) |
! DO bj = myByLo(myThid), myByHi(myThid) |
756 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
! DO bi = myBxLo(myThid), myBxHi(myThid) |
757 |
DO j=1-OLy,sNy+OLy |
! DO j=1-OLy,sNy+OLy |
758 |
DO i=1-OLy,sNx+OLy |
! DO i=1-OLy,sNx+OLy |
759 |
IF (STREAMICE_umask(i,j,bi,bj).eq.3.0) |
! IF (STREAMICE_umask(i,j,bi,bj).eq.3.0) |
760 |
& cg_Uin(i,j,bi,bj)=u_bdry_values_SI(i,j,bi,bj) |
! & cg_Uin(i,j,bi,bj)=u_bdry_values_SI(i,j,bi,bj) |
761 |
IF (STREAMICE_vmask(i,j,bi,bj).eq.3.0) |
! IF (STREAMICE_vmask(i,j,bi,bj).eq.3.0) |
762 |
& cg_Vin(i,j,bi,bj)=v_bdry_values_SI(i,j,bi,bj) |
! & cg_Vin(i,j,bi,bj)=v_bdry_values_SI(i,j,bi,bj) |
763 |
ENDDO |
! ENDDO |
764 |
ENDDO |
! ENDDO |
765 |
ENDDO |
! ENDDO |
766 |
ENDDO |
! ENDDO |
767 |
|
! |
768 |
_EXCH_XY_RL( cg_Uin, myThid ) |
! _EXCH_XY_RL( cg_Uin, myThid ) |
769 |
_EXCH_XY_RL( cg_Vin, myThid ) |
! _EXCH_XY_RL( cg_Vin, myThid ) |
770 |
|
|
771 |
|
#endif /* ifndef ALLOW_PETSC */ |
772 |
|
|
773 |
|
#else /* STREAMICE_SERIAL_TRISOLVE */ |
774 |
|
|
775 |
|
CALL STREAMICE_TRIDIAG_SOLVE( |
776 |
|
U cg_Uin, ! x-velocities |
777 |
|
U cg_Vin, |
778 |
|
U cg_Bu, ! force in x dir |
779 |
|
I A_uu, ! section of matrix that multiplies u and projects on u |
780 |
|
I STREAMICE_umask, |
781 |
|
I myThid ) |
782 |
|
|
783 |
#endif |
#endif |
|
RETURN |
|
|
END |
|
|
|
|
784 |
|
|
785 |
|
CALL TIMER_STOP ('STREAMICE_CG_SOLVE',myThid) |
|
|
|
|
|
|
|
|
|
786 |
|
|
787 |
|
|
788 |
|
#endif |
789 |
|
RETURN |
790 |
|
END |