spmd_fi_sms.F

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!||====================================================================
!||    spmd_fi_sms   ../engine/source/mpi/ams/spmd_fi_sms.F
!||--- called by ------------------------------------------------------
!||    sms_mav_lt2   ../engine/source/ams/sms_pcg.F
!||--- calls      -----------------------------------------------------
!||--- uses       -----------------------------------------------------
!||    spmd_mod      ../engine/source/mpi/spmd_mod.F90
!||====================================================================
      SUBROUTINE spmd_fi_sms(V     ,NODNX_SMS,SIZE,VFI,FR_RMS,
     .                       FR_SMS,LIST_RMS ,LIST_SMS)
              USE spmd_mod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------------------------
C   M e s s a g e   P a s s i n g
C-----------------------------------------------
#include "spmd.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "com01_c.inc"
#include      "task_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER NODNX_SMS(*), SIZE,
     .        fr_rms(nspmd+1), fr_sms(nspmd+1),list_rms(*), list_sms(*)
      my_real
     .        v(SIZE,*), vfi(SIZE,*)
C-----------------------------------------------
C   L o c a l  V a r i a b l e s
C-----------------------------------------------
#ifdef MPI
      INTEGER MSGTYP,I,NOD,LOC_PROC,IERROR,MSGOFF,
     .        siz,j,l,nb_nod,k,m,kk,
     .        status(mpi_status_size),
     .        iad_send(nspmd+1),iad_recv(nspmd+1),iadfi_send(nspmd+1),
     .        req_r(nspmd),req_s(nspmd)
      my_real
     .        rbuf(size*(fr_rms(nspmd+1)+fr_sms(nspmd+1))),
     .        sbuf(size*(fr_rms(nspmd+1)+fr_sms(nspmd+1)))
      DATA msgoff/215/
C-----------------------------------------------
C   S o u r c e  L i n e s
C-----------------------------------------------
      loc_proc = ispmd + 1
      l = 1
      iad_recv(1) = 1
      DO i=1,nspmd
 
        siz = fr_rms(i+1) - fr_rms(i)
        IF(i/=loc_proc)THEN
          siz = siz + fr_sms(i+1) - fr_sms(i)
        ENDIF
        siz = size*siz
 
        IF(siz/=0)THEN
          msgtyp = msgoff 
          CALL mpi_irecv(
     s      rbuf(l),siz,real,it_spmd(i),msgtyp,
     g      spmd_comm_world,req_r(i),ierror)
        ENDIF
        l = l + siz
        iad_recv(i+1) = l
 
      END DO
 
      l = 1
      iad_send(1) = 1
      m = 1
      DO i=1,nspmd
        IF(i/=loc_proc)THEN
#include      "vectorize.inc"
          DO j=fr_sms(i),fr_sms(i+1)-1
            nod = list_sms(m)
            IF(nod/=0)THEN
              DO k=1,SIZE
                sbuf(l+k-1) =  v(k,nod)
              END DO
            ELSE
              DO k=1,SIZE
                sbuf(l+k-1) =  zero
              END DO
            END IF
            l = l + SIZE
            m = m + 1
          END DO
        END IF
#include      "vectorize.inc"
        DO j=fr_rms(i),fr_rms(i+1)-1
          nod = list_rms(j)
          IF(nod/=0)THEN
            DO k=1,SIZE
              sbuf(l+k-1) =  v(k,nod)
            END DO
          ELSE
            DO k=1,SIZE
              sbuf(l+k-1) =  zero
            END DO
          END IF
          l = l + SIZE
        END DO
        iad_send(i+1) = l
      ENDDO
C
C   echange messages
C
      DO i=1,nspmd
C--------------------------------------------------------------------
       IF(iad_send(i+1)-iad_send(i)>0)THEN
          msgtyp = msgoff 
          siz = iad_send(i+1)-iad_send(i)
          l = iad_send(i)
          CALL mpi_isend(
     s      sbuf(l),siz,real,it_spmd(i),msgtyp,
     g      spmd_comm_world,req_s(i),ierror)
       ENDIF
C--------------------------------------------------------------------
      ENDDO
C
      m = 1
      kk= 1
      DO i = 1, nspmd
        IF(iad_recv(i+1)-iad_recv(i)>0)THEN
          CALL mpi_wait(req_r(i),status,ierror)
          l = iad_recv(i)
#include      "vectorize.inc"
          DO j=fr_rms(i),fr_rms(i+1)-1
            IF(list_rms(j)/=0)THEN
              DO k=1,SIZE
                vfi(k,kk) = rbuf(l+k-1)
              END DO
            END IF
            l = l + SIZE
            kk= kk + 1
          END DO
          IF(i/=loc_proc)THEN
#include      "vectorize.inc"
            DO j=fr_sms(i),fr_sms(i+1)-1
              IF(list_sms(m)/=0)THEN
                DO k=1,SIZE
                  vfi(k,kk) = rbuf(l+k-1)
                END DO
              END IF
              l = l + SIZE
              m = m + 1
              kk= kk + 1
            END DO
          END IF
        ENDIF
      END DO
C
      DO i = 1, nspmd
        IF(iad_send(i+1)-iad_send(i)>0)THEN
          CALL mpi_wait(req_s(i),status,ierror)
        ENDIF
      ENDDO
C
#endif
      RETURN
      END