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C $Header: $ |
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C $Name: $ |
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|
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!======================================================================= |
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subroutine coupsend_i4vec( component, dataname, length, vecFld ) |
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implicit none |
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! Predefined constants/arrays |
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#include "CPLR_SIG.h" |
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! MPI variables |
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#include "mpif.h" |
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! Arguments |
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character*(*) component |
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character*(*) dataname |
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integer length |
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integer vecFld(length) |
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! Functions |
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integer mitcplr_match_comp |
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integer generate_tag |
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external mitcplr_match_comp |
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external generate_tag |
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! Local |
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integer count,dtype,dest,tag,comm,ierr |
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integer compind, numprocs |
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integer i, n |
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integer ibuf(MAX_IBUF) |
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! ------------------------------------------------------------------ |
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|
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if ( 1+length .gt. MAX_IBUF ) |
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& STOP 'coupsend_i4vec: length exceeds MAX_IBUF' |
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|
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! Establish who I am communicating with |
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compind = mitcplr_match_comp( component ) |
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if (compind.le.0) STOP 'coupsend_i4vec: Bad component id' |
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comm = MPI_COMM_compcplr( compind ) |
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numprocs = num_component_procs(compind) |
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if (numprocs.lt.1) then |
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write(LogUnit,*) 'coupsend_i4vec: compind = ',compind |
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STOP 'coupsend_i4vec: numprocs < 1' |
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endif |
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if (VERB) |
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& write(LogUnit,*) 'coupsend_i4vec: ',component_Name(compind) |
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if (VERB) |
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& write(LogUnit,*) 'coupsend_i4vec: dataname=',dataname |
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|
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! Copy vector to buffer |
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ibuf(1) = length |
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do i=1,length |
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ibuf(i+1) = vecFld(i) |
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enddo |
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|
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! Foreach component process |
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do n=1,numprocs |
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|
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! Send message |
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count = 1+length |
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dtype = MPI_INTEGER |
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tag = generate_tag( 125, n, dataname ) |
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dest = rank_component_procs(n,compind) |
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|
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if (VERB) then |
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write(LogUnit,*) |
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& 'coupsend_i4vec: calling MPI_Send dest=',dest, |
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& ' proc=',n,'/',numprocs |
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call flush(LogUnit) |
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endif |
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call MPI_Send( ibuf, count, dtype, dest, tag, comm, ierr ) |
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if (VERB) then |
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write(LogUnit,*) 'coupsend_i4vec: returned ierr=',ierr |
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call flush(LogUnit) |
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endif |
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|
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if (ierr.ne.0) then |
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write(LogUnit,*) 'coupsend_i4vec: rank(W,G)=', |
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& my_rank_in_world,my_rank_in_global, |
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& ' ierr=',ierr |
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STOP 'coupsend_i4vec: MPI_Send failed' |
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endif |
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|
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enddo ! n |
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|
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! ------------------------------------------------------------------ |
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return |
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end |
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!======================================================================= |
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