mpi_comm_mod.F

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C generic module intended to pack information needed for asynchronous communications
C where send and received are not done in the same routine
!||====================================================================
!||    mpi_commod               ../engine/share/modules/mpi_comm_mod.F
!||--- called by ------------------------------------------------------
!||    allocate_comm_struct     ../engine/share/modules/mpi_comm_mod.F
!||    deallocate_comm_struct   ../engine/share/modules/mpi_comm_mod.F
!||    i25main_norm             ../engine/source/interfaces/int25/i25main_norm.F
!||    i25main_slid             ../engine/source/interfaces/int25/i25main_slid.F
!||    i25maind_2               ../engine/source/interfaces/int25/i25maind_2.F
!||    i25normp                 ../engine/source/interfaces/int25/i25norm.F
!||    spmd_i25_slide_exch      ../engine/source/mpi/interfaces/spmd_i25slide.F
!||    spmd_i25front_nor        ../engine/source/mpi/interfaces/spmd_i25front.F
!||====================================================================
      MODULE mpi_commod
      TYPE mpi_comm_struct
         INTEGER,DIMENSION(:,:), POINTER :: send_rq
         INTEGER,DIMENSION(:,:), POINTER :: recv_rq
         INTEGER,DIMENSION(:,:), POINTER :: tag
         INTEGER,DIMENSION(:,:), POINTER :: siz
      END TYPE mpi_comm_struct
      TYPE mpi_comm_nor_struct
         INTEGER, DIMENSION(:), POINTER :: send_rq
         INTEGER, DIMENSION(:), POINTER :: recv_rq
         INTEGER, DIMENSION(:), POINTER :: isindex,irindex
         INTEGER, DIMENSION(:), POINTER :: iad_recv,iad_send
         INTEGER :: nbirecv,nbisend
         REAL(kind=4) , dimension(:) , POINTER :: send_buf, recv_buf
      END TYPE mpi_comm_nor_struct
 
      END MODULE mpi_commod 
 
!||====================================================================
!||    allocate_comm_struct   ../engine/share/modules/mpi_comm_mod.F
!||--- called by ------------------------------------------------------
!||    i25main_slid           ../engine/source/interfaces/int25/i25main_slid.F
!||--- uses       -----------------------------------------------------
!||    mpi_commod             ../engine/share/modules/mpi_comm_mod.F
!||====================================================================
      SUBROUTINE allocate_comm_struct(OBJECT,S1,S2)
        USE mpi_commod
 
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
        TYPE(mpi_comm_struct) :: object
        INTEGER, INTENT(IN) :: s1,s2
        ALLOCATE(object%SEND_RQ(s1,s2)) 
        ALLOCATE(object%RECV_RQ(s1,s2)) 
        ALLOCATE(object%TAG    (s1,s2))
        ALLOCATE(object%SIZ    (s1,s2))     
      END SUBROUTINE
!||====================================================================
!||    deallocate_comm_struct   ../engine/share/modules/mpi_comm_mod.F
!||--- called by ------------------------------------------------------
!||    i25main_slid             ../engine/source/interfaces/int25/i25main_slid.f
!||--- uses       -----------------------------------------------------
!||    mpi_commod               ../engine/share/modules/mpi_comm_mod.F
!||====================================================================
      SUBROUTINE deallocate_comm_struct(OBJECT,S1,S2)
       USE mpi_commod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
        TYPE(mpi_comm_struct) :: OBJECT
        INTEGER, INTENT(IN) :: S1,S2
        DEALLOCATE(object%SEND_RQ) 
        DEALLOCATE(object%RECV_RQ) 
        DEALLOCATE(object%TAG    )
        DEALLOCATE(object%SIZ    )     
      END SUBROUTINE