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jmc |
1.1 |
!======================================================================= |
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subroutine MITCPLR_init1( myTypeStr, couplerFlag ) |
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implicit none |
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! Arguments |
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character*(*) myTypeStr |
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logical couplerFlag |
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! MPI variables |
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#include "mpif.h" |
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integer myid, numprocs, ierr, rc |
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! Predefined constants/arrays |
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#include "CPLR_SIG.h" |
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! Functions |
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integer mitcplr_match_comp |
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! Local |
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integer n,j |
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integer MPI_GROUP_World |
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integer MPI_GROUP_Tmp |
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integer lenbuf |
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integer compind |
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character*(MAXLEN_COMP_NAME) cbuf |
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! ------------------------------------------------------------------ |
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! Find-out my position (rank) in the "world" communicator |
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call MPI_COMM_RANK( MPI_COMM_WORLD, myid, ierr ) |
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if (ierr.ne.0) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Rank = ',myid,' MPI_COMM_RANK ierr=',ierr |
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! How big is the "world"? |
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call MPI_COMM_SIZE( MPI_COMM_WORLD, numprocs, ierr ) |
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if (ierr.ne.0) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Size = ',numprocs,' MPI_COMM_RANK ierr=',ierr |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Rank/Size = ',myid,' /',numprocs |
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! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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! Registration: collect/bcast lists of who is who |
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! Assume nothing |
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num_components = 0 |
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num_coupler_procs = 0 |
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! Receive a message from each of the other processes |
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do n=0,numprocs-1 |
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ibuf(1)=myid |
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ibuf(2)=0 |
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if ( couplerFlag ) ibuf(2)=MITCPLR_COUPLER |
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ibuf(3)=0 |
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ibuf(4)=0 |
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ibuf(5)=0 |
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ibuf(6)=0 |
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ibuf(7)=0 |
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call mitcplr_char2int( myTypeStr, ibuf(8) ) |
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lenbuf=8+MAXLEN_COMP_NAME |
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call MPI_Bcast( |
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& ibuf, lenbuf, MPI_INTEGER, |
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& n, |
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& MPI_COMM_WORLD, ierr ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' MPI_Bcast from ',ibuf(1),ibuf(2),' ierr=',ierr |
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call mitcplr_int2char( ibuf(8), cbuf ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Bcast cbuf=',cbuf,'x' |
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if ( ibuf(2).eq.MITCPLR_COUPLER ) then |
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! If the broadcaster is the "coupler" |
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num_coupler_procs=num_coupler_procs + 1 |
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rank_coupler_procs(num_coupler_procs) = ibuf(1) |
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coupler_Name=cbuf |
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else |
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! If the broadcaster is a "component" |
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compind=mitcplr_match_comp( cbuf ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' compind=',compind |
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num_component_procs(compind)=num_component_procs(compind) + 1 |
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j=num_component_procs(compind) |
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rank_component_procs(j,compind)=ibuf(1) |
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endif |
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enddo |
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if ( num_coupler_procs .ne. 1 ) then |
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stop 'MITCPLR_init1: I can only handle one coupler process' |
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endif |
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do compind=1,num_components |
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num_compcplr_procs(compind)=num_component_procs(compind) + 1 |
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do j=1,num_compcplr_procs(compind) |
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rank_compcplr_procs(j,compind)=rank_component_procs(j,compind) |
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enddo |
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j=num_compcplr_procs(compind) |
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rank_compcplr_procs(j,compind)=rank_coupler_procs(1) |
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call mitcplr_sortranks( j, rank_compcplr_procs(1,compind) ) |
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enddo |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' coupler=',coupler_Name, |
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& ( rank_coupler_procs(j),j=1,num_coupler_procs ) |
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do n=1,num_components |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' component=',component_Name(n), |
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& ( rank_component_procs(j,n),j=1,num_component_procs(n) ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' comp+cplr=',component_Name(n), |
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& ( rank_compcplr_procs(j,n),j=1,num_compcplr_procs(n) ) |
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enddo |
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! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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! Create new groups and communicators |
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! Establish MPI_GROUP_World associated with MPI_COMM_WORLD |
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call MPI_Comm_group( MPI_COMM_WORLD, MPI_GROUP_World, ierr ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' MPI_Comm_group MPI_GROUP_World=',MPI_GROUP_World, |
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& ' ierr=',ierr |
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do n=1,num_components |
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! Create group MPI_GROUP_Tmp |
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call MPI_Group_incl( |
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& MPI_GROUP_World, |
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& num_component_procs(n), |
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& rank_component_procs(1,n), |
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& MPI_GROUP_Tmp, |
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& ierr ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' MPI_Group_incl MPI_GROUP_Tmp=', |
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& MPI_GROUP_Tmp,' ierr=',ierr |
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! Create communicator MPI_COMM_component |
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call MPI_Comm_create( |
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& MPI_COMM_WORLD, |
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& MPI_GROUP_Tmp, |
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& MPI_COMM_component(n), |
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& ierr ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' MPI_Comm_create MPI_COMM_component=',MPI_COMM_component(n), |
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& ' ierr=',ierr |
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! Create group MPI_GROUP_Tmp |
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call MPI_Group_incl( |
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& MPI_GROUP_World, |
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& num_compcplr_procs(n), |
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& rank_compcplr_procs(1,n), |
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& MPI_GROUP_Tmp, |
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& ierr ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' MPI_Group_incl MPI_GROUP_Tmp=', |
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& MPI_GROUP_Tmp,' ierr=',ierr |
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! Create communicator MPI_COMM_compcplr |
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call MPI_Comm_create( |
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& MPI_COMM_WORLD, |
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& MPI_GROUP_Tmp, |
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& MPI_COMM_compcplr(n), |
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& ierr ) |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' MPI_Comm_create MPI_COMM_compcplr=',MPI_COMM_compcplr(n), |
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& ' ierr=',ierr |
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enddo |
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! - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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if ( couplerFlag ) then |
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my_component_ind=-1 |
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MPI_COMM_mylocal=MPI_COMM_World |
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MPI_COMM_myglobal=MPI_COMM_World |
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my_component_name=coupler_Name |
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else |
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compind=mitcplr_match_comp( myTypeStr ) |
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my_component_ind=compind |
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MPI_COMM_mylocal=MPI_COMM_component( compind ) |
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MPI_COMM_myglobal=MPI_COMM_compcplr( compind ) |
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my_component_name=component_Name( compind ) |
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endif |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' component num=',compind, |
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& ' MPI_COMM=',MPI_COMM_mylocal,MPI_COMM_myglobal |
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if ( couplerFlag ) then |
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do n=1,num_components |
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! Find-out my position (rank) in the "global" communicator |
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call MPI_COMM_RANK( MPI_COMM_compcplr(n), j, ierr ) |
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if (ierr.ne.0) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Rank = ',j,' MPI_COMM_RANK ierr=',ierr |
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! How big is the "global" communicator? |
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call MPI_COMM_SIZE( MPI_COMM_compcplr(n), numprocs, ierr ) |
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if (ierr.ne.0) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Size = ',numprocs,' MPI_COMM_SIZE ierr=',ierr |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Rank/Size = ',j,' /',numprocs, |
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& ' in Component =',n |
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enddo |
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else |
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! Find-out my position (rank) in the "global" communicator |
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call MPI_COMM_RANK( MPI_COMM_myglobal, j, ierr ) |
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if (ierr.ne.0) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Rank = ',j,' MPI_COMM_RANK ierr=',ierr |
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! How big is the "global" communicator? |
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call MPI_COMM_SIZE( MPI_COMM_myglobal, numprocs, ierr ) |
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if (ierr.ne.0) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Size = ',numprocs,' MPI_COMM_SIZE ierr=',ierr |
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if (DEBUG) write(0,*) 'MITCPLR_init1: ',myid,' ',myTypeStr, |
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& ' Rank/Size = ',j,' /',numprocs |
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endif |
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! Open log file |
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if ( couplerFlag ) j=myid |
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write(cbuf(1:MAXLEN_COMP_NAME),'(2a,i4.4,a)') |
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& myTypeStr,'.',j,'.clog' |
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open(LogUnit,file=cbuf,status='unknown',form='formatted') |
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write(LogUnit,'(2a)') '========================================', |
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& '========================================' |
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write(LogUnit,*) 'This is "',myTypeStr,'"' |
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write(LogUnit,*) 'myid in MPI_COMM_World = ',myid |
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if (.not.couplerFlag) |
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& write(LogUnit,*) 'myid in MPI_COMM_Global = ',j |
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! ------------------------------------------------------------------ |
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return |
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end |
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!======================================================================= |
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