/wrfv2_fire/external/RSL_LITE/period.c
C | 462 lines | 431 code | 23 blank | 8 comment | 123 complexity | d6cd81ed0c6f1085938fe6f1f0a43fcc MD5 | raw file
Possible License(s): AGPL-1.0
- #ifndef MS_SUA
- # include <stdio.h>
- #endif
- #include <fcntl.h>
- #define STANDARD_ERROR 2
- #define STANDARD_OUTPUT 1
- #ifndef STUBMPI
- # include "mpi.h"
- #endif
- #include "rsl_lite.h"
- static int yp_curs, ym_curs, xp_curs, xm_curs ;
- RSL_LITE_INIT_PERIOD (
- int * Fcomm0,
- int * shw0,
- int * n3dR0, int *n2dR0, int * typesizeR0 ,
- int * n3dI0, int *n2dI0, int * typesizeI0 ,
- int * n3dD0, int *n2dD0, int * typesizeD0 ,
- int * n3dL0, int *n2dL0, int * typesizeL0 ,
- int * me0, int * np0 , int * np_x0 , int * np_y0 ,
- int * ips0 , int * ipe0 , int * jps0 , int * jpe0 , int * kps0 , int * kpe0 )
- {
- #ifndef STUBMPI
- int n3dR, n2dR, typesizeR ;
- int n3dI, n2dI, typesizeI ;
- int n3dD, n2dD, typesizeD ;
- int n3dL, n2dL, typesizeL ;
- int shw ;
- int me, np, np_x, np_y ;
- int ips , ipe , jps , jpe , kps , kpe ;
- int yp, ym, xp, xm ;
- int nbytes ;
- int coords[2] ;
- MPI_Comm comm, *comm0, dummy_comm ;
- comm0 = &dummy_comm ;
- *comm0 = MPI_Comm_f2c( *Fcomm0 ) ;
- shw = *shw0 ;
- n3dR = *n3dR0 ; n2dR = *n2dR0 ; typesizeR = *typesizeR0 ;
- n3dI = *n3dI0 ; n2dI = *n2dI0 ; typesizeI = *typesizeI0 ;
- n3dD = *n3dD0 ; n2dD = *n2dD0 ; typesizeD = *typesizeD0 ;
- n3dL = *n3dL0 ; n2dL = *n2dL0 ; typesizeL = *typesizeL0 ;
- me = *me0 ; np = *np0 ; np_x = *np_x0 ; np_y = *np_y0 ;
- ips = *ips0-1 ; ipe = *ipe0-1 ; jps = *jps0-1 ; jpe = *jpe0-1 ; kps = *kps0-1 ; kpe = *kpe0-1 ;
- /*
- This assumes that the topoology associated with the communicator is periodic
- the period routines should be called with "local_communicator_periodic", which
- is set up in module_dm.F for RSL_LITE. Registry generated code automatically
- does this (gen_comms.c for RSL_LITE).
- */
- if ( np_y > 1 ) {
- nbytes = typesizeR*(ipe-ips+1+2*shw)*(shw+1)*(n3dR*(kpe-kps+1)+n2dR) +
- typesizeI*(ipe-ips+1+2*shw)*(shw+1)*(n3dI*(kpe-kps+1)+n2dI) +
- typesizeD*(ipe-ips+1+2*shw)*(shw+1)*(n3dD*(kpe-kps+1)+n2dD) +
- typesizeL*(ipe-ips+1+2*shw)*(shw+1)*(n3dL*(kpe-kps+1)+n2dL) ;
- MPI_Comm_rank( *comm0, &me ) ;
- MPI_Cart_coords( *comm0, me, 2, coords ) ;
- MPI_Cart_shift( *comm0, 0, 1, &ym, &yp ) ;
- if ( yp != MPI_PROC_NULL && coords[0] == np_y - 1 ) { /* process on top of mesh */
- buffer_for_proc ( yp , nbytes, RSL_RECVBUF ) ;
- buffer_for_proc ( yp , nbytes, RSL_SENDBUF ) ;
- }
- if ( ym != MPI_PROC_NULL && coords[0] == 0 ) { /* process on bottom of mesh */
- buffer_for_proc ( ym , nbytes, RSL_RECVBUF ) ;
- buffer_for_proc ( ym , nbytes, RSL_SENDBUF ) ;
- }
- }
- if ( np_x > 1 ) {
- nbytes = typesizeR*(jpe-jps+1+2*shw)*(shw+1)*(n3dR*(kpe-kps+1)+n2dR) +
- typesizeI*(jpe-jps+1+2*shw)*(shw+1)*(n3dI*(kpe-kps+1)+n2dI) +
- typesizeD*(jpe-jps+1+2*shw)*(shw+1)*(n3dD*(kpe-kps+1)+n2dD) +
- typesizeL*(jpe-jps+1+2*shw)*(shw+1)*(n3dL*(kpe-kps+1)+n2dL) ;
- MPI_Comm_rank( *comm0, &me ) ;
- MPI_Cart_coords( *comm0, me, 2, coords ) ;
- MPI_Cart_shift( *comm0, 1, 1, &xm, &xp ) ;
- if ( xm != MPI_PROC_NULL && coords[1] == np_x - 1 ) { /* process on right hand side of mesh */
- buffer_for_proc ( xp , nbytes, RSL_RECVBUF ) ;
- buffer_for_proc ( xp , nbytes, RSL_SENDBUF ) ;
- }
- if ( xp != MPI_PROC_NULL && coords[1] == 0 ) { /* process on left hand side of mesh */
- buffer_for_proc ( xm, nbytes, RSL_RECVBUF ) ;
- buffer_for_proc ( xm , nbytes, RSL_SENDBUF ) ;
- }
- }
- yp_curs = 0 ; ym_curs = 0 ; xp_curs = 0 ; xm_curs = 0 ;
- #endif
- }
- RSL_LITE_PACK_PERIOD ( int* Fcomm0, char * buf , int * shw0 , int * typesize0 , int * xy0 , int * pu0 , int * imemord , int * stag0 ,
- int *me0, int * np0 , int * np_x0 , int * np_y0 ,
- int * ids0 , int * ide0 , int * jds0 , int * jde0 , int * kds0 , int * kde0 ,
- int * ims0 , int * ime0 , int * jms0 , int * jme0 , int * kms0 , int * kme0 ,
- int * ips0 , int * ipe0 , int * jps0 , int * jpe0 , int * kps0 , int * kpe0 )
- {
- #ifndef STUBMPI
- int me, np, np_x, np_y ;
- int shw , typesize ;
- int ids , ide , jds , jde , kds , kde ;
- int ims , ime , jms , jme , kms , kme ;
- int ips , ipe , jps , jpe , kps , kpe ;
- int stag ; /* 0 not stag, 1 stag */
- int xy ; /* y = 0 , x = 1 */
- int pu ; /* pack = 0 , unpack = 1 */
- register int i, j, k, t ;
- #ifdef crayx1
- register int i2,i3,i4,i_offset;
- #endif
- char *p ;
- int the_buf ;
- int yp, ym, xp, xm ;
- int nbytes, ierr ;
- register int *pi, *qi ;
- int coords[2] ;
- int js, je, ks, ke, is, ie, wcount ;
- MPI_Comm comm, *comm0, dummy_comm ;
- comm0 = &dummy_comm ;
- *comm0 = MPI_Comm_f2c( *Fcomm0 ) ;
- me = *me0 ; np = *np0 ; np_x = *np_x0 ; np_y = *np_y0 ;
- stag = *stag0 ;
- shw = *shw0 ; typesize = *typesize0 ;
- ids = *ids0-1 ; ide = *ide0-1 ; jds = *jds0-1 ; jde = *jde0-1 ; kds = *kds0-1 ; kde = *kde0-1 ;
- ims = *ims0-1 ; ime = *ime0-1 ; jms = *jms0-1 ; jme = *jme0-1 ; kms = *kms0-1 ; kme = *kme0-1 ;
- ips = *ips0-1 ; ipe = *ipe0-1 ; jps = *jps0-1 ; jpe = *jpe0-1 ; kps = *kps0-1 ; kpe = *kpe0-1 ;
- xy = *xy0 ;
- pu = *pu0 ;
- #define RANGE(S1,E1,S2,E2,S3,E3,S4,E4) (((E1)-(S1)+1)*((E2)-(S2)+1)*((E3)-(S3)+1)*((E4)-(S4)+1))
- #if 0
- #define IMAX(A) (((A)>ids)?(A):ids)
- #define IMIN(A) (((A)<ide)?(A):ide)
- #define JMAX(A) (((A)>jds)?(A):jds)
- #define JMIN(A) (((A)<jde)?(A):jde)
- #else
- /* allow the extent in other dimension to go into boundary region (e.g. < ids or > ide) since
- this will handle corner points for doubly periodic updates (he wrote hopefully) */
- #define IMAX(A) (A)
- #define IMIN(A) (A)
- #define JMAX(A) (A)
- #define JMIN(A) (A)
- #endif
- the_buf = ( pu == 0 ) ? RSL_SENDBUF : RSL_RECVBUF ;
- if ( np_x > 1 && xy == 1 ) { /* exchange period in x dim */
- MPI_Comm_rank( *comm0, &me ) ;
- MPI_Cart_coords( *comm0, me, 2, coords ) ;
- MPI_Cart_shift( *comm0, 1, 1, &xm, &xp ) ;
- if ( coords[1] == np_x - 1 ) { /* process on right hand edge of domain */
- p = buffer_for_proc( xp , 0 , the_buf ) ;
- if ( pu == 0 ) {
- js = JMAX(jps-shw) ; je = JMIN(jpe+shw) ;
- ks = kps ; ke = kpe ;
- is = ipe-shw ; ie = ipe-1 ;
- nbytes = buffer_size_for_proc( xp , the_buf ) ;
- if ( xp_curs + RANGE( JMAX(jps-shw), JMIN(jpe+shw), kps, kpe, ipe-shw, ipe-1, 1, typesize ) > nbytes ) {
- #ifndef MS_SUA
- fprintf(stderr,"memory overwrite in rsl_lite_pack_period_x, right hand X to %d, %d > %d\n",xp,
- xp_curs + RANGE( JMAX(jps-shw), JMIN(jpe+shw), kps, kpe, ipe-shw, ipe-1, 1, typesize ), nbytes ) ;
- #endif
- MPI_Abort(MPI_COMM_WORLD, 98) ;
- }
- if ( typesize == 8 ) {
- F_PACK_LINT ( buf, p+xp_curs, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- xp_curs += wcount*typesize ;
- } else
- if ( typesize == 4 ) {
- F_PACK_INT ( buf, p+xp_curs, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- xp_curs += wcount*typesize ;
- }
- else {
- #ifndef MS_SUA
- fprintf(stderr,"internal error: %s %d\n",__FILE__,__LINE__) ;
- #endif
- }
- } else {
- js = JMAX(jps-shw) ; je = JMIN(jpe+shw) ;
- ks = kps ; ke = kpe ;
- is = ipe ; ie = ipe+shw-1+stag ;
- if ( typesize == 8 ) {
- F_UNPACK_LINT ( p+xp_curs, buf, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- xp_curs += wcount*typesize ;
- } else
- if ( typesize == 4 ) {
- F_UNPACK_INT ( p+xp_curs, buf, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- xp_curs += wcount*typesize ;
- }
- else {
- #ifndef MS_SUA
- fprintf(stderr,"internal error: %s %d\n",__FILE__,__LINE__) ;
- #endif
- }
- }
- }
- if ( coords[1] == 0 ) { /* process on left hand edge of domain */
- p = buffer_for_proc( xm , 0 , the_buf ) ;
- if ( pu == 0 ) {
- js = JMAX(jps-shw) ; je = JMIN(jpe+shw) ;
- ks = kps ; ke = kpe ;
- is = ips ; ie = ips+shw-1+stag ;
- nbytes = buffer_size_for_proc( xm , the_buf ) ;
- if ( xm_curs + RANGE( JMAX(jps-shw), JMIN(jpe+shw), kps, kpe, ips, ips+shw-1+stag, 1, typesize ) > nbytes ) {
- #ifndef MS_SUA
- fprintf(stderr,"memory overwrite in rsl_lite_pack_period_x, left hand X to %d , %d > %d\n",xm,
- xm_curs + RANGE( JMAX(jps-shw), JMIN(jpe+shw), kps, kpe, ips, ips+shw-1+stag, 1, typesize ), nbytes ) ;
- #endif
- MPI_Abort(MPI_COMM_WORLD, 98) ;
- }
- if ( typesize == 8 ) {
- F_PACK_LINT ( buf, p+xm_curs, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- xm_curs += wcount*typesize ;
- } else
- if ( typesize == 4 ) {
- F_PACK_INT ( buf, p+xm_curs, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- xm_curs += wcount*typesize ;
- }
- else {
- #ifndef MS_SUA
- fprintf(stderr,"internal error: %s %d\n",__FILE__,__LINE__) ;
- #endif
- }
- } else {
- js = JMAX(jps-shw) ; je = JMIN(jpe+shw) ;
- ks = kps ; ke = kpe ;
- is = ips-shw ; ie = ips-1 ;
- if ( typesize == 8 ) {
- F_UNPACK_LINT ( p+xm_curs, buf, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- xm_curs += wcount*typesize ;
- } else
- if ( typesize == 4 ) {
- F_UNPACK_INT ( p+xm_curs, buf, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- xm_curs += wcount*typesize ;
- }
- else {
- #ifndef MS_SUA
- fprintf(stderr,"internal error: %s %d\n",__FILE__,__LINE__) ;
- #endif
- }
- }
- }
- }
- if ( np_y > 1 && xy == 0 ) { /* exchange period in Y dim */
- MPI_Comm_rank( *comm0, &me ) ;
- MPI_Cart_coords( *comm0, me, 2, coords ) ;
- MPI_Cart_shift( *comm0, 0, 1, &ym, &yp ) ;
- if ( coords[0] == np_y - 1 ) { /* process on top edge of domain */
- p = buffer_for_proc( yp , 0 , the_buf ) ;
- if ( pu == 0 ) {
- is = IMAX(ips-shw) ; ie = IMIN(ipe+shw) ;
- ks = kps ; ke = kpe ;
- js = jpe-shw ; je = jpe-1 ;
- nbytes = buffer_size_for_proc( yp , the_buf ) ;
- if ( yp_curs + RANGE( IMAX(ips-shw), IMIN(ipe+shw), kps, kpe, jpe-shw, jpe-1, 1, typesize ) > nbytes ) {
- #ifndef MS_SUA
- fprintf(stderr,"memory overwrite in rsl_lite_pack_period_y, right hand Y to %d, %d > %d\n",yp,
- yp_curs + RANGE( IMAX(ips-shw), IMIN(ipe+shw), kps, kpe, jpe-shw, jpe-1, 1, typesize ), nbytes ) ;
- #endif
- MPI_Abort(MPI_COMM_WORLD, 98) ;
- }
- if ( typesize == 8 ) {
- F_PACK_LINT ( buf, p+yp_curs, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- yp_curs += wcount*typesize ;
- } else
- if ( typesize == 4 ) {
- F_PACK_INT ( buf, p+yp_curs, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- yp_curs += wcount*typesize ;
- }
- else {
- #ifndef MS_SUA
- fprintf(stderr,"internal error: %s %d\n",__FILE__,__LINE__) ;
- #endif
- }
- } else {
- is = IMAX(ips-shw) ; ie = IMIN(ipe+shw) ;
- ks = kps ; ke = kpe ;
- js = jpe ; je = jpe+shw-1+stag ;
- if ( typesize == 8 ) {
- F_UNPACK_LINT ( p+yp_curs, buf, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- yp_curs += wcount*typesize ;
- } else
- if ( typesize == 4 ) {
- F_UNPACK_INT ( p+yp_curs, buf, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- yp_curs += wcount*typesize ;
- }
- else {
- #ifndef MS_SUA
- fprintf(stderr,"internal error: %s %d\n",__FILE__,__LINE__) ;
- #endif
- }
- }
- }
- if ( coords[0] == 0 ) { /* process on bottom edge of domain */
- p = buffer_for_proc( ym , 0 , the_buf ) ;
- if ( pu == 0 ) {
- is = IMAX(ips-shw) ; ie = IMIN(ipe+shw) ;
- ks = kps ; ke = kpe ;
- js = jps ; je = jps+shw-1+stag ;
- nbytes = buffer_size_for_proc( ym , the_buf ) ;
- if ( ym_curs + RANGE( IMAX(ips-shw), IMIN(ipe+shw), kps, kpe, jps, jps+shw-1+stag, 1, typesize ) > nbytes ) {
- #ifndef MS_SUA
- fprintf(stderr,"memory overwrite in rsl_lite_pack_period_y, left hand Y to %d , %d > %d\n",xm,
- ym_curs + RANGE( IMAX(ips-shw), IMIN(ipe+shw), kps, kpe, jps, jps+shw-1+stag, 1, typesize ), nbytes ) ;
- #endif
- MPI_Abort(MPI_COMM_WORLD, 98) ;
- }
- if ( typesize == 8 ) {
- F_PACK_LINT ( buf, p+ym_curs, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- ym_curs += wcount*typesize ;
- } else
- if ( typesize == 4 ) {
- F_PACK_INT ( buf, p+ym_curs, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- ym_curs += wcount*typesize ;
- }
- else {
- #ifndef MS_SUA
- fprintf(stderr,"internal error: %s %d\n",__FILE__,__LINE__) ;
- #endif
- }
- } else {
- is = IMAX(ips-shw) ; ie = IMIN(ipe+shw) ;
- ks = kps ; ke = kpe ;
- js = jps-shw ; je = jps-1 ;
- if ( typesize == 8 ) {
- F_UNPACK_LINT ( p+ym_curs, buf, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- ym_curs += wcount*typesize ;
- } else
- if ( typesize == 4 ) {
- F_UNPACK_INT ( p+ym_curs, buf, imemord, &js, &je, &ks, &ke, &is, &ie,
- &jms,&jme,&kms,&kme,&ims,&ime, &wcount ) ;
- ym_curs += wcount*typesize ;
- }
- else {
- #ifndef MS_SUA
- fprintf(stderr,"internal error: %s %d\n",__FILE__,__LINE__) ;
- #endif
- }
- }
- }
- }
- #endif
- }
- #ifndef STUBMPI
- static MPI_Request yp_recv, ym_recv, yp_send, ym_send ;
- static MPI_Request xp_recv, xm_recv, xp_send, xm_send ;
- #endif
- RSL_LITE_EXCH_PERIOD_X ( int * Fcomm0, int *me0, int * np0 , int * np_x0 , int * np_y0 )
- {
- #ifndef STUBMPI
- int me, np, np_x, np_y ;
- int yp, ym, xp, xm, nbytes ;
- MPI_Status stat ;
- MPI_Comm comm, *comm0, dummy_comm ;
- int coords[2] ;
- comm0 = &dummy_comm ;
- *comm0 = MPI_Comm_f2c( *Fcomm0 ) ;
- #if 1
- comm = *comm0 ; me = *me0 ; np = *np0 ; np_x = *np_x0 ; np_y = *np_y0 ;
- if ( np_x > 1 ) {
- MPI_Comm_rank( *comm0, &me ) ;
- MPI_Cart_coords( *comm0, me, 2, coords ) ;
- MPI_Cart_shift( *comm0, 1, 1, &xm, &xp ) ;
- if ( coords[1] == np_x - 1 ) { /* proc on right hand side of domain */
- nbytes = buffer_size_for_proc( xp, RSL_RECVBUF ) ;
- MPI_Irecv ( buffer_for_proc( xp , xp_curs, RSL_RECVBUF ), nbytes, MPI_CHAR, xp, me, comm, &xp_recv ) ;
- }
- if ( coords[1] == 0 ) { /* proc on left hand side of domain */
- nbytes = buffer_size_for_proc( xm, RSL_RECVBUF ) ;
- MPI_Irecv ( buffer_for_proc( xm, xm_curs, RSL_RECVBUF ), nbytes, MPI_CHAR, xm, me, comm, &xm_recv ) ;
- }
- if ( coords[1] == np_x - 1 ) { /* proc on right hand side of domain */
- MPI_Isend ( buffer_for_proc( xp , 0, RSL_SENDBUF ), xp_curs, MPI_CHAR, xp, xp, comm, &xp_send ) ;
- }
- if ( coords[1] == 0 ) { /* proc on left hand side of domain */
- MPI_Isend ( buffer_for_proc( xm, 0, RSL_SENDBUF ), xm_curs, MPI_CHAR, xm, xm, comm, &xm_send ) ;
- }
- if ( coords[1] == np_x - 1 ) MPI_Wait( &xp_recv, &stat ) ;
- if ( coords[1] == 0 ) MPI_Wait( &xm_recv, &stat ) ;
- if ( coords[1] == np_x - 1 ) MPI_Wait( &xp_send, &stat ) ;
- if ( coords[1] == 0 ) MPI_Wait( &xm_send, &stat ) ;
- }
- #else
- # ifndef MS_SUA
- fprintf(stderr,"RSL_LITE_EXCH_PERIOD_X disabled\n") ;
- # endif
- #endif
- yp_curs = 0 ; ym_curs = 0 ; xp_curs = 0 ; xm_curs = 0 ;
- #endif
- }
- RSL_LITE_EXCH_PERIOD_Y ( int * Fcomm0, int *me0, int * np0 , int * np_x0 , int * np_y0 )
- {
- #ifndef STUBMPI
- int me, np, np_x, np_y ;
- int yp, ym, xp, xm, nbytes ;
- MPI_Status stat ;
- MPI_Comm comm, *comm0, dummy_comm ;
- int coords[2] ;
- comm0 = &dummy_comm ;
- *comm0 = MPI_Comm_f2c( *Fcomm0 ) ;
- #if 1
- comm = *comm0 ; me = *me0 ; np = *np0 ; np_x = *np_x0 ; np_y = *np_y0 ;
- if ( np_y > 1 ) {
- MPI_Comm_rank( *comm0, &me ) ;
- MPI_Cart_coords( *comm0, me, 2, coords ) ;
- MPI_Cart_shift( *comm0, 0, 1, &ym, &yp ) ;
- if ( coords[0] == np_y - 1 ) { /* proc on top of domain */
- nbytes = buffer_size_for_proc( yp, RSL_RECVBUF ) ;
- MPI_Irecv ( buffer_for_proc( yp , yp_curs, RSL_RECVBUF ), nbytes, MPI_CHAR, yp, me, comm, &yp_recv ) ;
- }
- if ( coords[0] == 0 ) { /* proc on bottom of domain */
- nbytes = buffer_size_for_proc( ym, RSL_RECVBUF ) ;
- MPI_Irecv ( buffer_for_proc( ym, ym_curs, RSL_RECVBUF ), nbytes, MPI_CHAR, ym, me, comm, &ym_recv ) ;
- }
- if ( coords[0] == np_y - 1 ) { /* proc on top of domain */
- MPI_Isend ( buffer_for_proc( yp , 0, RSL_SENDBUF ), yp_curs, MPI_CHAR, yp, yp, comm, &yp_send ) ;
- }
- if ( coords[0] == 0 ) { /* proc on bottom of domain */
- MPI_Isend ( buffer_for_proc( ym, 0, RSL_SENDBUF ), ym_curs, MPI_CHAR, ym, ym, comm, &ym_send ) ;
- }
- if ( coords[0] == np_y - 1 ) MPI_Wait( &yp_recv, &stat ) ;
- if ( coords[0] == 0 ) MPI_Wait( &ym_recv, &stat ) ;
- if ( coords[0] == np_y - 1 ) MPI_Wait( &yp_send, &stat ) ;
- if ( coords[0] == 0 ) MPI_Wait( &ym_send, &stat ) ;
- }
- #else
- # ifndef MS_SUA
- fprintf(stderr,"RSL_LITE_EXCH_PERIOD_Y disabled\n") ;
- # endif
- #endif
- yp_curs = 0 ; ym_curs = 0 ; xp_curs = 0 ; xm_curs = 0 ;
- #endif
- }