| 1 |
jmc |
1.1 |
!======================================================================= |
| 2 |
|
|
subroutine mitcplr_init2a( myTypeStr ) |
| 3 |
|
|
implicit none |
| 4 |
|
|
! Arguments |
| 5 |
|
|
character*(*) myTypeStr |
| 6 |
|
|
! Predefined constants/arrays |
| 7 |
|
|
#include "CPLR_SIG.h" |
| 8 |
|
|
! MPI variables |
| 9 |
|
|
#include "mpif.h" |
| 10 |
|
|
integer myid, numprocs, ierr |
| 11 |
|
|
! Local |
| 12 |
|
|
integer n,j,lenbuf |
| 13 |
|
|
! ------------------------------------------------------------------ |
| 14 |
|
|
|
| 15 |
|
|
! Find-out my position (rank) in the "global" communicator |
| 16 |
|
|
call MPI_COMM_RANK( MPI_COMM_myglobal, myid, ierr ) |
| 17 |
|
|
if (ierr.ne.0) write(LogUnit,*) 'MITCPLR_init2a: ', |
| 18 |
|
|
& ' Rank = ',myid,' MPI_COMM_RANK ierr=',ierr |
| 19 |
|
|
! How big is the "global" comminicator? |
| 20 |
|
|
call MPI_COMM_SIZE( MPI_COMM_myglobal, numprocs, ierr ) |
| 21 |
|
|
if (ierr.ne.0) write(LogUnit,*) 'MITCPLR_init2a: ', |
| 22 |
|
|
& ' Size = ',numprocs,' MPI_COMM_RANK ierr=',ierr |
| 23 |
|
|
if (VERB) write(LogUnit,*) 'MITCPLR_init2a: ', |
| 24 |
|
|
& ' Rank/Size = ',myid,' /',numprocs |
| 25 |
|
|
|
| 26 |
|
|
! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 27 |
|
|
|
| 28 |
|
|
! Assume nothing again |
| 29 |
|
|
num_coupler_procs=0 |
| 30 |
|
|
|
| 31 |
|
|
! Receive a message from each of the other processes in "myglobal" |
| 32 |
|
|
do n=0,numprocs-1 |
| 33 |
|
|
ibuf( 1)=myid |
| 34 |
|
|
ibuf( 2)=0 |
| 35 |
|
|
ibuf( 3)=0 |
| 36 |
|
|
ibuf( 4)=0 |
| 37 |
|
|
ibuf( 5)=0 |
| 38 |
|
|
ibuf( 6)=0 |
| 39 |
|
|
ibuf( 7)=0 |
| 40 |
|
|
ibuf( 8)=0 |
| 41 |
|
|
ibuf( 9)=0 |
| 42 |
|
|
ibuf(10)=0 |
| 43 |
|
|
ibuf(11)=0 |
| 44 |
|
|
ibuf(12)=0 |
| 45 |
|
|
lenbuf=12 |
| 46 |
|
|
call MPI_Bcast( |
| 47 |
|
|
& ibuf, lenbuf, MPI_INTEGER, |
| 48 |
|
|
& n, |
| 49 |
|
|
& MPI_COMM_myglobal, ierr ) |
| 50 |
|
|
if (ierr.ne.0) write(LogUnit,*) 'MITCPLR_init2a: ', |
| 51 |
|
|
& ' MPI_Bcast from ',ibuf(1),ibuf(2),' ierr=',ierr |
| 52 |
|
|
|
| 53 |
|
|
if ( ibuf(2).eq.MITCPLR_COUPLER ) then |
| 54 |
|
|
! If the broadcaster is the "coupler" |
| 55 |
|
|
num_coupler_procs=num_coupler_procs + 1 |
| 56 |
|
|
num_procs_in_global=num_procs_in_global+1 |
| 57 |
|
|
rank_coupler_procs(num_coupler_procs) = ibuf(1) |
| 58 |
|
|
else |
| 59 |
|
|
! If the broadcaster is a "component" |
| 60 |
|
|
num_procs_in_local=num_procs_in_local+1 |
| 61 |
|
|
num_procs_in_global=num_procs_in_global+1 |
| 62 |
|
|
endif |
| 63 |
|
|
|
| 64 |
|
|
enddo |
| 65 |
|
|
|
| 66 |
|
|
if (num_coupler_procs .ne. 1) then |
| 67 |
|
|
stop 'MITCPLR_init2a: I can only handle one coupling process' |
| 68 |
|
|
endif |
| 69 |
|
|
|
| 70 |
|
|
! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 71 |
|
|
|
| 72 |
|
|
! Find-out my position (rank) in the "world" communicator |
| 73 |
|
|
call MPI_COMM_RANK( MPI_COMM_World, n, ierr ) |
| 74 |
|
|
if (ierr.ne.0) write(LogUnit,*) 'MITCPLR_init2a: ', |
| 75 |
|
|
& ' Rank = ',myid,' MPI_COMM_RANK ierr=',ierr |
| 76 |
|
|
! Find-out my position (rank) in the "local" communicator |
| 77 |
|
|
call MPI_COMM_RANK( MPI_COMM_myglobal, j, ierr ) |
| 78 |
|
|
if (ierr.ne.0) write(LogUnit,*) 'MITCPLR_init2a: ', |
| 79 |
|
|
& ' Rank = ',myid,' MPI_COMM_RANK ierr=',ierr |
| 80 |
|
|
|
| 81 |
|
|
! Store the information |
| 82 |
|
|
my_coupler_rank=rank_coupler_procs(1) |
| 83 |
|
|
my_rank_in_world=n |
| 84 |
|
|
my_rank_in_global=myid |
| 85 |
|
|
my_rank_in_local=j |
| 86 |
|
|
|
| 87 |
|
|
if (VERB) write(LogUnit,*) 'MITCPLR_init2a: ', |
| 88 |
|
|
& ' rank (W,G,L) =', |
| 89 |
|
|
& my_rank_in_world,my_rank_in_global,my_rank_in_local, |
| 90 |
|
|
& ' my_coupler_rank =',my_coupler_rank,' /',numprocs |
| 91 |
|
|
|
| 92 |
|
|
! ------------------------------------------------------------------ |
| 93 |
|
|
call flush(LogUnit) |
| 94 |
|
|
return |
| 95 |
|
|
end |
| 96 |
|
|
!======================================================================= |
Parent Directory
| 
Revision Log
| 
Revision Graph