rad_spmd_recv.F File Reference

#include "spmd.inc"

Go to the source code of this file.

Functions/Subroutines
subroutine	rad_spmd_recv (a, siz, ispmd, it_spmd, msgtag, intsize)

Function/Subroutine Documentation

rad_spmd_recv()

subroutine rad_spmd_recv	(	integer, dimension(*), intent(inout)	a,
		integer	siz,
		integer	ispmd,
		integer, dimension(*)	it_spmd,
		integer	msgtag,
		integer	intsize )

Definition at line 33 of file rad_spmd_recv.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
       implicit none
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   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER SIZ,ISPMD,IT_SPMD(*),MSGTAG,INTSIZE
      INTEGER, INTENT(INOUT) :: A(*)
C-----------------------------------------------
C   L o c a l  V a r i a b l e s
C-----------------------------------------------
#ifdef MPI
      INTEGER BUFSIZMAX, ADD, LEN, SIZ_I
      INTEGER STATUS(MPI_STATUS_SIZE),IERROR
C shared memory segment must be superior to 10 Mb
      DATA bufsizmax/10000000/
C-----------------------------------------------
C   S o u r c e  L i n e s
C-----------------------------------------------
      add = 1
      siz_i = siz
 1    len = min(siz_i,bufsizmax)
 
      CALL mpi_recv(a(add),len,mpi_byte,it_spmd(ispmd+1),msgtag,
     .              spmd_comm_world,status,ierror)
      CALL mpi_send(a,0,mpi_byte,it_spmd(ispmd+1),msgtag,
     .              spmd_comm_world,ierror)
 
      add = add + len/intsize
      siz_i = siz_i - len
      IF (siz_i>0) GO TO 1
#endif
      RETURN