spmd_fxb_for.F File Reference

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

Go to the source code of this file.

Functions/Subroutines
subroutine	spmd_fxb_for (fxbipm, mfextp)

Function/Subroutine Documentation

spmd_fxb_for()

subroutine spmd_fxb_for	(	integer, dimension(nbipm,*)	fxbipm,
			mfextp )

Definition at line 32 of file spmd_fxb_for.F.

C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
        USE spmd_comm_world_mod, ONLY : spmd_comm_world
#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      "com04_c.inc"
#include      "task_c.inc"
#include      "fxbcom.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER FXBIPM(NBIPM,*)
      my_real
     .        mfextp(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
#ifdef MPI
      INTEGER NFX, NMOD, NME, LEN, AVAR, PMAIN, II, I, ITAG, MSGOFF,
     .        REQ(NSPMD-1), STAT(MPI_STATUS_SIZE,NSPMD-1), IERR,
     .        J
      my_real
     .       , DIMENSION(:,:), ALLOCATABLE :: ff
C
      DATA msgoff /196/
C
      DO nfx=1,nfxbody
         nmod=fxbipm(4,nfx)
         nme=fxbipm(17,nfx)
         len=nme+nmod
         avar=fxbipm(13,nfx)
         pmain=fxbipm(39,nfx)
         IF (ispmd==pmain) THEN
            ALLOCATE(ff(len,nspmd-1))
            ii=0
            DO i=1,nspmd
               IF (ispmd==i-1) cycle
               ii=ii+1
               itag=msgoff
               CALL mpi_irecv(ff(1,ii), len, real, it_spmd(i), itag,
     .                        spmd_comm_world, req(ii), ierr)
            ENDDO
C
            CALL mpi_waitall(nspmd-1, req, stat, ierr)
            DO i=1,nspmd-1
               DO j=1,len
                  mfextp(avar+j-1)=mfextp(avar+j-1)+ff(j,i)
               ENDDO
            ENDDO
            DEALLOCATE(ff)
         ELSE
            itag=msgoff
            CALL mpi_isend(mfextp(avar), len, real, it_spmd(pmain+1),
     .                     itag, spmd_comm_world, req(1), ierr)
C
            CALL mpi_wait(req, stat, ierr)
         ENDIF
      ENDDO
C
#endif
      RETURN