spmd_cell_size_post_rcv.F

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!||====================================================================
!||    spmd_cell_size_post_rcv   ../engine/source/mpi/interfaces/spmd_cell_size_post_rcv.F
!||--- called by ------------------------------------------------------
!||    spmd_cell_list_exchange   ../engine/source/mpi/interfaces/spmd_cell_list_exchange.F
!||--- calls      -----------------------------------------------------
!||--- uses       -----------------------------------------------------
!||    inter_sorting_mod         ../engine/share/modules/inter_sorting_mod.F
!||    spmd_comm_world_mod       ../engine/source/mpi/spmd_comm_world.F90
!||    tri7box                   ../engine/share/modules/tri7box.F
!||====================================================================
        SUBROUTINE spmd_cell_size_post_rcv(IRCVFROM,ISENDTO,NIN,SORT_COMM,ITIED,component)
!$COMMENT
!       SPMD_CELL_SIZE_POST_RCV description :
!       prepare the reception of number of remote secondary nodes
!       SPMD_CELL_SIZE_POST_RCV organization :
!       the recv comm is limited to : proc with main nodes + remote proc with secondary nodes
!$ENDCOMMENT
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
        USE inter_sorting_mod
        USE tri7box
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"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
        INTEGER, INTENT(in) :: NIN
        INTEGER, INTENT(in) :: ITIED
        INTEGER, DIMENSION(NINTER+1,NSPMD+1), INTENT(in) :: ISENDTO,IRCVFROM
        TYPE(sorting_comm_type), DIMENSION(NINTER), INTENT(inout) :: SORT_COMM   ! structure for interface sorting comm
        type(component_), dimension(ninter), intent(inout) :: component
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C----------------------------------------------- 
#ifdef MPI        
        INTEGER :: I,J,KK,IJK,KJI
        INTEGER :: P,P_LOC
        INTEGER IERROR1,STATUS(MPI_STATUS_SIZE),IERROR
        INTEGER :: LOC_PROC
        INTEGER :: MSGOFF, MSGOFF2, MSGOFF3, MSGOFF4, MSGOFF5
        INTEGER :: MSGTYP,INFO
        LOGICAL :: NEED_TO_RCV
!   --------------------------------------------------------------------     
        DATA msgoff/6021/
        DATA msgoff2/6022/
        DATA msgoff3/6023/
        DATA msgoff4/6024/ 
        DATA msgoff5/6025/ 
        
        !   --------------------------------
        loc_proc = ispmd + 1
        IF(ircvfrom(nin,loc_proc)/=0) THEN  !   local nmn>0
            !   -----------------------
            !   loop over the proc of the interface
            DO p_loc = 1,sort_comm(nin)%PROC_NUMBER
                p = sort_comm(nin)%PROC_LIST(p_loc)
                nsnfi(nin)%P(p) = 0
                !   -----------------------  
                !   prepare the reception : only for proc with main node & remote proc with secondary nodes     
                IF(isendto(nin,p)/=0) THEN  !   remote nsn>0
                    IF(loc_proc/=p) THEN
                        need_to_rcv = .true.
                        if(.not.component(nin)%proc_comp(p)%need_comm_s) need_to_rcv = .false.
                        IF(itied/=0) need_to_rcv = .true.    ! itied option : force the exchange
                        IF(need_to_rcv) THEN
                            msgtyp = msgoff3 
                            sort_comm(nin)%NBRECV_NB=sort_comm(nin)%NBRECV_NB+1
                            sort_comm(nin)%RECV_NB(sort_comm(nin)%NBRECV_NB)=p   !   proc with nmn>0
                            CALL mpi_irecv(nsnfi(nin)%P(p),1,mpi_integer,it_spmd(p),
     .                              msgtyp,spmd_comm_world,sort_comm(nin)%REQUEST_NB_R(sort_comm(nin)%NBRECV_NB),ierror)
                        ENDIF
                    ENDIF
                ENDIF
                !   -----------------------          
            ENDDO
            !   -----------------------
        ENDIF
        !   --------------------------------
 
#endif
        RETURN
        END SUBROUTINE spmd_cell_size_post_rcv