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jmc |
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C $Header: /u/gcmpack/MITgcm/pkg/compon_communic/mitcoupler_tile_register.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 |
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!======================================================================= |
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subroutine MITCOUPLER_tile_register( compName, nnx, nny ) |
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implicit none |
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! Arguments |
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character*(*) compName |
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integer nnx, nny |
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! MPI variables |
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#include "mpif.h" |
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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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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 n,numprocs |
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integer comm |
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integer compind,count,dtype,tag,rank |
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integer ierr |
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integer stat(MPI_STATUS_SIZE) |
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integer j, numtiles |
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integer nx, ny, i0, j0 |
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integer ibuf(MAX_IBUF) |
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! ------------------------------------------------------------------ |
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write(LogUnit,'(3A)') |
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& 'MITCOUPLER_tile_register: do "', compName, '" :' |
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! Establish who I am communicating with |
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compind=mitcplr_match_comp( compName ) |
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if (compind.le.0) STOP 'MITCOUPLER_tile_register: Bad component' |
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comm=MPI_COMM_compcplr( compind ) |
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numprocs=num_component_procs(compind) |
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write(LogUnit,'(2(A,I6))') |
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& ' compind=', compind, ' ; numprocs=', numprocs |
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if (numprocs.lt.1) then |
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STOP 'MITCOUPLER_tile_register: numprocs < 1' |
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endif |
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! Foreach component process |
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do n=1,numprocs |
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! Receive message |
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count=MAX_IBUF |
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dtype=MPI_INTEGER |
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tag=generate_tag(112,n,'Register Tiles') |
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rank=rank_component_procs(n,compind) |
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call MPI_Recv(ibuf, count, dtype, rank, tag, comm, stat, ierr) |
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if (ierr.ne.0) then |
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write(LogUnit,*) 'MITCOUPLER_tile_register: 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 'MITCOUPLER_tile_register: MPI_Recv failed' |
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endif |
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numtiles=ibuf(1) |
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if (numtiles.lt.1 .or. numtiles.gt.MAX_TILES) then |
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write(LogUnit,*) 'MITCOUPLER_tile_register: #tiles = ',numtiles |
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STOP 'MITCOUPLER_tile_register: invalid value for numtiles' |
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endif |
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component_num_tiles(n,compind)=numtiles |
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write(LogUnit,'(3(A,I6),A)') '- proc # =', n, |
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& ' ; rank=', rank, ' ; numtiles=', numtiles, ' -------' |
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do j=1,numtiles |
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! Receive message |
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count=MAX_IBUF |
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dtype=MPI_INTEGER |
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tag=generate_tag(113,j,'Register each tile') |
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rank=rank_component_procs(n,compind) |
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call MPI_Recv(ibuf, count, dtype, rank, tag, comm, stat, ierr) |
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if (ierr.ne.0) then |
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write(LogUnit,*) 'MITCOUPLER_tile_register: 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 'MITCOUPLER_tile_register: MPI_Recv failed' |
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endif |
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! Extract data and store |
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nx = ibuf(1) |
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ny = ibuf(2) |
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i0 = ibuf(3) |
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j0 = ibuf(4) |
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component_tile_nx(j,n,compind) = nx |
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component_tile_ny(j,n,compind) = ny |
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component_tile_i0(j,n,compind) = i0 |
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component_tile_j0(j,n,compind) = j0 |
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! Print and check |
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write(LogUnit,'(A,I5,A,2I5,A,2I8)') ' tile #:', j, |
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& ' ; Ni,Nj=', nx, ny, ' ; Io,Jo=', i0, j0 |
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if (nx.lt.1) then |
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STOP 'MITCOUPLER_tile_register: invalid value for nx' |
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endif |
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if (ny.lt.1) then |
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STOP 'MITCOUPLER_tile_register: invalid value for ny' |
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endif |
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if (i0.lt.1) then |
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STOP 'MITCOUPLER_tile_register: invalid value for i0' |
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endif |
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if (j0.lt.1) then |
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STOP 'MITCOUPLER_tile_register: invalid value for j0' |
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endif |
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if (i0+nx-1.gt.nnx) then |
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STOP 'MITCOUPLER_tile_register: i0 + nx -1 > nnx' |
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endif |
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if (j0+ny-1.gt.nny) then |
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STOP 'MITCOUPLER_tile_register: j0 + ny -1 > nny' |
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endif |
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enddo ! j |
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write(LogUnit,'(A,2I8,2(A,I8))') |
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& ' rank(W,G)=', my_rank_in_world, my_rank_in_global, |
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& ' , rank = ',rank, ' , num_tiles = ', numtiles |
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enddo ! n |
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write(LogUnit,'(3A)') 'MITCOUPLER_tile_register: comp. "', |
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& compName, '" done' |
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! ------------------------------------------------------------------ |
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call flush(LogUnit) |
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return |
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end |
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!======================================================================= |
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