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jmc |
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C $Header: $ |
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C $Name: $ |
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jmc |
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!======================================================================= |
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subroutine compsend_r4( dataname, Ni,Oi,Nj,Oj, arr ) |
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implicit none |
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! Arguments |
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character*(*) dataname |
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integer Ni,Oi,Nj,Oj |
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real*4 arr(1-Oi:Ni+Oi,1-Oj:Nj+Oj) |
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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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integer count,datatype,dest,tag,comm,ierr |
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! Functions |
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integer generate_tag |
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! Local |
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integer i,j,ij,Io,Jo |
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! ------------------------------------------------------------------ |
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if (HEADER_SIZE+Ni*Nj.gt.MAX_R4_BUFLEN) |
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& stop 'compsend_r4: Nx*Ny too big' |
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! Set up buffer |
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Io=my_tile_i0(1) |
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Jo=my_tile_j0(1) |
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r4buf(1)=float(Io) |
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r4buf(2)=float(Ni) |
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r4buf(3)=float(Jo) |
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r4buf(4)=float(Nj) |
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call mitcplr_char2real( dataname, r4buf(9) ) |
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! Copy interior of tile to buffer |
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do j=1,Nj |
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do i=1,Ni |
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ij=HEADER_SIZE+i+Ni*(j-1) |
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r4buf(ij)=arr(i,j) |
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enddo |
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enddo |
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! Send message |
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count=HEADER_SIZE+Ni*Nj |
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datatype=MPI_REAL |
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dest=my_coupler_rank |
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tag=generate_tag(102,my_rank_in_global,dataname) |
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comm=MPI_COMM_myglobal |
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if (VERB) then |
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write(LogUnit,*) 'compsend_r4: calling MPI_Send dest=',dest |
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write(LogUnit,*) 'compsend_r4: dataname=',dataname |
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call flush(LogUnit) |
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endif |
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call MPI_Send( r4buf, count, datatype, dest, tag, comm, ierr ) |
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if (VERB) then |
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write(LogUnit,*) 'compsend_r4: returned ierr=',ierr |
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call flush(LogUnit) |
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endif |
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if (ierr.ne.0) then |
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write(LogUnit,*) 'compsend_r4: rank(W,G,L)=', |
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& my_rank_in_world,my_rank_in_global,my_rank_in_local, |
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& ' ierr=',ierr |
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stop 'compsend_r4: MPI_Send failed' |
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endif |
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! ------------------------------------------------------------------ |
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return |
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end |
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!======================================================================= |