spmd_exch_fvstats.F

Go to the documentation of this file.

Copyright>        OpenRadioss
Copyright>        Copyright (C) 1986-2025 Altair Engineering Inc.
Copyright>
Copyright>        This program is free software: you can redistribute it and/or modify
Copyright>        it under the terms of the GNU Affero General Public License as published by
Copyright>        the Free Software Foundation, either version 3 of the License, or
Copyright>        (at your option) any later version.
Copyright>
Copyright>        This program is distributed in the hope that it will be useful,
Copyright>        but WITHOUT ANY WARRANTY; without even the implied warranty of
Copyright>        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Copyright>        GNU Affero General Public License for more details.
Copyright>
Copyright>        You should have received a copy of the GNU Affero General Public License
Copyright>        along with this program.  If not, see <https://www.gnu.org/licenses/>.
Copyright>
Copyright>
Copyright>        Commercial Alternative: Altair Radioss Software
Copyright>
Copyright>        As an alternative to this open-source version, Altair also offers Altair Radioss
Copyright>        software under a commercial license.  Contact Altair to discuss further if the
Copyright>        commercial version may interest you: https://www.altair.com/radioss/.
!||====================================================================
!||    spmd_exch_fvstats   ../engine/source/mpi/airbags/spmd_exch_fvstats.F
!||--- called by ------------------------------------------------------
!||    ecrit               ../engine/source/output/ecrit.F
!||--- calls      -----------------------------------------------------
!||--- uses       -----------------------------------------------------
!||    fvbag_mod           ../engine/share/modules/fvbag_mod.F
!||    spmd_mod            ../engine/source/mpi/spmd_mod.F90
!||====================================================================
      SUBROUTINE spmd_exch_fvstats(MONVOL)                           
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
      END