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jmc |
1.3 |
C $Header: /u/gcmpack/MITgcm/pkg/compon_communic/comprecv_r8tiles.F,v 1.2 2007/10/08 23:58:20 jmc Exp $ |
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jmc |
1.2 |
C $Name: $ |
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jmc |
1.1 |
!======================================================================= |
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subroutine comprecv_r8tiles( dataname, Ni,Oi,Nj,Oj,Nk,Tx,Ty, 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,Nk,Tx,Ty |
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real*8 arr(1-Oi:Ni+Oi,1-Oj:Nj+Oj,Nk,Tx,Ty) |
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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,k,bibj,bi,bj |
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character*(MAXLEN_COMP_NAME) recvdname |
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! ------------------------------------------------------------------ |
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if (HEADER_SIZE+Ni*Nj.gt.MAX_R8_BUFLEN) |
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& stop 'comprecv_r8tiles: Nx*Ny too big' |
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! Foreach tile which is non-blank |
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do bibj=1,my_num_tiles |
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bi=my_tile_bi(bibj) |
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bj=my_tile_bj(bibj) |
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! Receive message |
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count=MAX_R8_BUFLEN |
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dtype=MPI_DOUBLE_PRECISION |
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tag=generate_tag(123,bibj,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_r8tiles: calling MPI_Recv rank=',rank |
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write(LogUnit,*) 'comprecv_r8tiles: dataname=',dataname |
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call flush(LogUnit) |
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endif |
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call MPI_Recv(r8buf, count, dtype, rank, tag, comm, stat, ierr) |
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if (VERB) then |
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write(LogUnit,*) 'comprecv_r8tiles: 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_r8tiles: 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_r8tiles: MPI_Recv failed' |
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endif |
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! Extract buffer |
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Io=int(0.5+r8buf(1)) |
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Jo=int(0.5+r8buf(2)) |
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nx=int(0.5+r8buf(3)) |
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ny=int(0.5+r8buf(4)) |
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jmc |
1.3 |
call mitcplr_dbl2char( r8buf(9), recvdname ) |
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jmc |
1.1 |
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if (Io.ne.my_tile_i0(bibj)) stop 'comprecv_r8tiles: bad Io' |
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if (Jo.ne.my_tile_j0(bibj)) stop 'comprecv_r8tiles: bad Jo' |
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if (nx.ne.my_tile_nx(bibj)) stop 'comprecv_r8tiles: bad nx' |
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if (ny.ne.my_tile_ny(bibj)) stop 'comprecv_r8tiles: bad ny' |
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if (recvdname .ne. dataname) then |
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write(LogUnit,*) 'comprecv_r8tiles: recvdname = ',recvdname |
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write(LogUnit,*) 'comprecv_r8tiles: dataname = ',dataname |
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stop 'comprecv_r8tiles: recvdname != dataname' |
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endif |
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! Copy buffer to interior of tile |
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k=1 |
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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,k,bi,bj)=r8buf(ij) |
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enddo |
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enddo |
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enddo ! bibj |
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! ------------------------------------------------------------------ |
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return |
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end |
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!======================================================================= |
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