spmd_exch_fvstats.F File Reference

#include "implicit_f.inc"
#include "spmd.inc"
#include "task_c.inc"
#include "com01_c.inc"
#include "com04_c.inc"
#include "param_c.inc"

Go to the source code of this file.

Functions/Subroutines
subroutine	spmd_exch_fvstats (monvol)

Function/Subroutine Documentation

spmd_exch_fvstats()

subroutine spmd_exch_fvstats

(

integer, dimension(*)

monvol

)

Definition at line 32 of file spmd_exch_fvstats.F.

C-----------------------------------------------
C   M o d u l e s 
C-----------------------------------------------
      USE fvbag_mod
      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      "task_c.inc"
#include      "com01_c.inc"
#include      "com04_c.inc"
#include      "param_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER  MONVOL(*)
#ifdef MPI
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER K1, N, ITYP, ID, IFV, LEN
      INTEGER BUFS(6,NVOLU), BUFR(6,NVOLU)
      INTEGER IERROR
 
C
      k1 = 1
      ifv = 0
      DO n=1,nvolu
         ityp=monvol(k1-1+2)
         IF (ityp==6 .OR. ityp==8) THEN
           ifv = ifv + 1
           id=monvol(k1-1+1)
           IF((fvspmd(ifv)%PMAIN-1 == ispmd) .OR. (nspmd == 1)) THEN
             bufs(1,ifv)=id                       
             bufs(2,ifv)=monvol(k1-1+49)
             bufs(3,ifv)=monvol(k1-1+70)
             bufs(4,ifv)=monvol(k1-1+71)
             bufs(5,ifv)=monvol(k1-1+72)
             bufs(6,ifv)=monvol(k1-1+73)
           ELSE
      !Each processor fills the buffer with 0 if not PMAIN of the
      !FVMBAG                    
             bufs(1,ifv) = 0
             bufs(2,ifv) = 0
             bufs(3,ifv) = 0
             bufs(4,ifv) = 0
             bufs(5,ifv) = 0
             bufs(6,ifv) = 0
           ENDIF
         ENDIF
         k1=k1+nimv
      ENDDO
 
 
      !Exchange
      ! ALLREDUCE is OK there (soon after another global
      ! synchronization)
      IF(ifv > 0 ) THEN
        len = ifv*6
        CALL mpi_allreduce(bufs,bufr,len,
     .                  mpi_integer,mpi_sum,
     .                  spmd_comm_world,ierror)
      ENDIF
 
 
 
 
      ! Proc 0 updates its monvol
      IF ( ispmd == 0 ) THEN 
        k1 = 1
        ifv = 0
        DO n=1,nvolu
           ityp=monvol(k1-1+2)
           IF (ityp==6 .OR. ityp==8) THEN
             ifv = ifv + 1
             monvol(k1-1+1)  = bufr(1,ifv)
             monvol(k1-1+49) = bufr(2,ifv)
             monvol(k1-1+70) = bufr(3,ifv)
             monvol(k1-1+71) = bufr(4,ifv)
             monvol(k1-1+72) = bufr(5,ifv)
             monvol(k1-1+73) = bufr(6,ifv)
           ENDIF
           k1=k1+nimv
        ENDDO
      ENDIF
 
 
 
#endif
      RETURN