17 |
I A_vv, ! section of matrix that multiplies v and projects on v |
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 maxIter, |
21 |
I myThid ) |
I myThid ) |
22 |
C /============================================================\ |
C /============================================================\ |
23 |
C | SUBROUTINE | |
C | SUBROUTINE | |
27 |
C \============================================================/ |
C \============================================================/ |
28 |
IMPLICIT NONE |
IMPLICIT NONE |
29 |
|
|
|
C === Global variables === |
|
30 |
#include "SIZE.h" |
#include "SIZE.h" |
31 |
#include "EEPARAMS.h" |
#include "EEPARAMS.h" |
32 |
#include "PARAMS.h" |
#include "PARAMS.h" |
33 |
#include "STREAMICE.h" |
#include "STREAMICE.h" |
34 |
#include "STREAMICE_CG.h" |
#include "STREAMICE_CG.h" |
35 |
|
|
36 |
|
|
37 |
|
|
38 |
|
!#ifdef ALLOW_PETSC |
39 |
|
!#include "finclude/petsc.h" |
40 |
|
! UNCOMMENT IF V3.0 |
41 |
|
!#include "finclude/petscvec.h" |
42 |
|
!#include "finclude/petscmat.h" |
43 |
|
!#include "finclude/petscksp.h" |
44 |
|
!#include "finclude/petscpc.h" |
45 |
|
!#endif |
46 |
|
C === Global variables === |
47 |
|
|
48 |
|
|
49 |
C !INPUT/OUTPUT ARGUMENTS |
C !INPUT/OUTPUT ARGUMENTS |
50 |
C cg_Uin, cg_Vin - input and output velocities |
C cg_Uin, cg_Vin - input and output velocities |
51 |
C cg_Bu, cg_Bv - driving stress |
C cg_Bu, cg_Bv - driving stress |
52 |
INTEGER myThid |
INTEGER myThid |
53 |
INTEGER iters |
INTEGER iters |
54 |
|
INTEGER maxIter |
55 |
_RL tolerance |
_RL tolerance |
56 |
_RL cg_Uin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL cg_Uin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
57 |
_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) |
71 |
_RL dot_p2_tile (nSx,nSy) |
_RL dot_p2_tile (nSx,nSy) |
72 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
73 |
|
|
74 |
iters = streamice_max_cg_iter |
|
75 |
|
!#ifdef ALLOW_PETSC |
76 |
|
! INTEGER indices(2*(snx*nsx*sny*nsy)) |
77 |
|
! INTEGER n_dofs_cum_sum (0:nPx*nPy-1), idx(1) |
78 |
|
! _RL rhs_values(2*(snx*nsx*sny*nsy)) |
79 |
|
! _RL solution_values(2*(snx*nsx*sny*nsy)) |
80 |
|
! _RL mat_values (2*Nx*Ny,2*(snx*nsx*sny*nsy)) |
81 |
|
! _RL mat_values (18,1), mat_val_return(1) |
82 |
|
! INTEGER indices_col(18) |
83 |
|
! INTEGER local_dofs, global_dofs, dof_index, dof_index_col |
84 |
|
! INTEGER local_offset |
85 |
|
! Mat matrix |
86 |
|
! KSP ksp |
87 |
|
! PC pc |
88 |
|
! Vec rhs |
89 |
|
! Vec solution |
90 |
|
! PetscErrorCode ierr |
91 |
|
!#ifdef ALLOW_USE_MPI |
92 |
|
! integer mpiRC, mpiMyWid |
93 |
|
!#endif |
94 |
|
!#endif |
95 |
|
|
96 |
|
|
97 |
#ifdef ALLOW_STREAMICE |
#ifdef ALLOW_STREAMICE |
98 |
|
|
99 |
|
|
100 |
|
|
101 |
|
CALL TIMER_START ('STREAMICE_CG_SOLVE',myThid) |
102 |
|
#ifndef STREAMICE_SERIAL_TRISOLVE |
103 |
|
|
104 |
|
#ifdef ALLOW_PETSC |
105 |
|
|
106 |
|
CALL STREAMICE_CG_SOLVE_PETSC( |
107 |
|
U cg_Uin, ! x-velocities |
108 |
|
U cg_Vin, ! y-velocities |
109 |
|
I cg_Bu, ! force in x dir |
110 |
|
I cg_Bv, ! force in y dir |
111 |
|
I A_uu, ! section of matrix that multiplies u and projects on u |
112 |
|
I A_uv, ! section of matrix that multiplies v and projects on u |
113 |
|
I A_vu, ! section of matrix that multiplies u and projects on v |
114 |
|
I A_vv, ! section of matrix that multiplies v and projects on v |
115 |
|
I tolerance, |
116 |
|
I maxIter, |
117 |
|
O iters, |
118 |
|
I myThid ) |
119 |
|
|
120 |
|
|
121 |
|
#else /* ALLOW_PETSC */ |
122 |
|
|
123 |
|
|
124 |
|
iters = maxIter |
125 |
conv_flag = 0 |
conv_flag = 0 |
126 |
|
|
127 |
|
|
193 |
ENDDO |
ENDDO |
194 |
ENDDO |
ENDDO |
195 |
|
|
|
|
|
|
|
|
196 |
DO bj = myByLo(myThid), myByHi(myThid) |
DO bj = myByLo(myThid), myByHi(myThid) |
197 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
DO bi = myBxLo(myThid), myBxHi(myThid) |
198 |
DO j=1,sNy |
DO j=1,sNy |
206 |
ENDDO |
ENDDO |
207 |
ENDDO |
ENDDO |
208 |
|
|
209 |
|
|
210 |
CALL GLOBAL_SUM_TILE_RL( dot_p1_tile, dot_p1, myThid ) |
CALL GLOBAL_SUM_TILE_RL( dot_p1_tile, dot_p1, myThid ) |
211 |
resid_0 = sqrt(dot_p1) |
resid_0 = sqrt(dot_p1) |
212 |
|
|
213 |
|
DO bj = myByLo(myThid), myByHi(myThid) |
214 |
|
DO bi = myBxLo(myThid), myBxHi(myThid) |
215 |
|
|
216 |
|
WRITE(msgBuf,'(A,I1,I1,E14.7)') 'CONJ GRAD INIT RESID LOCAL, ', |
217 |
|
& bi,bj, dot_p1_tile(bi,bj) |
218 |
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
219 |
|
& SQUEEZE_RIGHT , 1) |
220 |
|
|
221 |
|
enddo |
222 |
|
enddo |
223 |
|
|
224 |
WRITE(msgBuf,'(A,E14.7)') 'CONJ GRAD INIT RESID, ', |
WRITE(msgBuf,'(A,E14.7)') 'CONJ GRAD INIT RESID, ', |
225 |
& resid_0 |
& resid_0 |
226 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
276 |
! IF(STREAMICE_construct_matrix) CALL STREAMICE_CG_MAKE_A(myThid) |
! IF(STREAMICE_construct_matrix) CALL STREAMICE_CG_MAKE_A(myThid) |
277 |
|
|
278 |
|
|
279 |
do iter = 1, streamice_max_cg_iter |
do iter = 1, maxIter |
280 |
if (resid .gt. tolerance*resid_0) then |
if (resid .gt. tolerance*resid_0) then |
281 |
|
|
282 |
c to avoid using "exit" |
c to avoid using "exit" |
500 |
c to avoid using "exit" |
c to avoid using "exit" |
501 |
c if iters has reached max_iters there is no convergence |
c if iters has reached max_iters there is no convergence |
502 |
|
|
503 |
IF (iters .lt. streamice_max_cg_iter) THEN |
IF (iters .lt. maxIter) THEN |
504 |
conv_flag = 1 |
conv_flag = 1 |
505 |
ENDIF |
ENDIF |
506 |
|
|
520 |
! _EXCH_XY_RL( cg_Uin, myThid ) |
! _EXCH_XY_RL( cg_Uin, myThid ) |
521 |
! _EXCH_XY_RL( cg_Vin, myThid ) |
! _EXCH_XY_RL( cg_Vin, myThid ) |
522 |
|
|
523 |
#endif |
#endif /* ifndef ALLOW_PETSC */ |
|
RETURN |
|
|
END |
|
524 |
|
|
525 |
|
#else /* STREAMICE_SERIAL_TRISOLVE */ |
526 |
|
|
527 |
|
iters = 0 |
528 |
|
|
529 |
|
CALL STREAMICE_TRIDIAG_SOLVE( |
530 |
|
U cg_Uin, ! x-velocities |
531 |
|
U cg_Vin, |
532 |
|
U cg_Bu, ! force in x dir |
533 |
|
I A_uu, ! section of matrix that multiplies u and projects on u |
534 |
|
I STREAMICE_umask, |
535 |
|
I myThid ) |
536 |
|
|
537 |
|
#endif |
538 |
|
|
539 |
|
CALL TIMER_STOP ('STREAMICE_CG_SOLVE',myThid) |
540 |
|
|
541 |
|
|
542 |
|
#endif |
543 |
|
RETURN |
544 |
|
END |