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jmc |
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C $Header: $ |
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C $Name: $ |
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jmc |
1.1 |
!======================================================================= |
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subroutine comprecv_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,Io,Jo |
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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,dtype,rank,tag,comm,ierr |
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integer stat(MPI_STATUS_SIZE) |
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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,nx,ny |
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character*(MAXLEN_COMP_NAME) recvdname |
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! ------------------------------------------------------------------ |
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if (HEADER_SIZE+Ni*Nj.gt.MAX_R4_BUFLEN) |
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& stop 'comprecv_r4: Nx*Ny too big' |
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! Receive message |
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count=HEADER_SIZE+MAX_R4_BUFLEN |
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dtype=MPI_REAL |
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tag=generate_tag(121,my_rank_in_global,dataname) |
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rank=my_coupler_rank |
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comm=MPI_COMM_myglobal |
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if (VERB) then |
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write(LogUnit,*) 'comprecv_r4: calling MPI_Recv rank=',rank |
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write(LogUnit,*) 'comprecv_r4: dataname=',dataname |
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call flush(LogUnit) |
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endif |
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call MPI_Recv(r4buf, count, dtype, rank, tag, comm, stat, ierr) |
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if (VERB) then |
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write(LogUnit,*) 'comprecv_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,*) 'comprecv_r4tiles: 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 'comprecv_r4: MPI_Recv failed' |
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endif |
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! Extract buffer |
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Io=int(0.5+r4buf(1)) |
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Jo=int(0.5+r4buf(2)) |
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nx=int(0.5+r4buf(3)) |
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ny=int(0.5+r4buf(4)) |
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call mitcplr_real2char( r4buf(9), recvdname ) |
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if (Io.ne.my_tile_i0(1)) stop 'comprecv_r4: bad Io' |
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if (Jo.ne.my_tile_j0(1)) stop 'comprecv_r4: bad Jo' |
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if (nx.ne.my_tile_nx(1)) stop 'comprecv_r4: bad nx' |
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if (ny.ne.my_tile_ny(1)) stop 'comprecv_r4: bad ny' |
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if (recvdname .ne. dataname) then |
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write(LogUnit,*) 'comprecv_r4: recvdname = ',recvdname |
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write(LogUnit,*) 'comprecv_r4: dataname = ',dataname |
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stop 'comprecv_r4: recvdname != dataname' |
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endif |
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! Copy buffer to interior of tile |
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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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arr(i,j)=r4buf(ij) |
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enddo |
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enddo |
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! ------------------------------------------------------------------ |
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return |
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end |
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!======================================================================= |
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