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C $Header: /u/u0/gcmpack/MITgcm_contrib/high_res_cube/code-mods/w2_print_comm_sequence.F,v 1.1.1.1 2003/11/11 18:08:07 cnh Exp $ |
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C $Name: $ |
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#include "CPP_EEOPTIONS.h" |
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CBOP |
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C !ROUTINE: W2_PRINT_COMM_SEQUENCE |
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C !INTERFACE: |
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SUBROUTINE W2_PRINT_COMM_SEQUENCE |
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IMPLICIT NONE |
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C !DESCRIPTION: |
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C *==========================================================* |
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C | SUBROUTINE W2_PRINT_COMM_SEQUENCE |
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C | o Write communication sequence for a given WRAPPER2 |
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C | toplogy |
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C *==========================================================* |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "EESUPPORT.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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#include "W2_EXCH2_PARAMS.h" |
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C == Local variables == |
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CHARACTER*(MAX_LEN_MBUF) msgBuffer |
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INTEGER myTileId, nN |
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INTEGER PI_TC2SC(2), PJ_TC2SC(2), O_TC2SC(2) |
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_RL SXDIR_TX2CX(2), SYDIR_TX2CX(2) |
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INTEGER targetIlo, targetIhi, targetJlo, targetJhi |
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INTEGER sourceIlo, sourceIhi, sourceJlo, sourceJhi |
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INTEGER I, N, targetTile, myThid, targetProc, sourceProc |
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INTEGER iStride, jStride |
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INTEGER pi(2), pj(2), oi, oj, tN |
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myThid = 1 |
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C Send loop for cell centered |
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DO I=1,nSx |
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myTileId=W2_myTileList(I) |
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nN=exch2_nNeighbours(myTileId) |
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sourceProc=exch2_tProc(myTileId) |
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DO N=1,nN |
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targetTile=exch2_neighbourId(N,myTileId) |
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targetProc=exch2_tProc(targetTile) |
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targetIlo =exch2_itlo_c(N,myTileId) |
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targetIhi =exch2_ithi_c(N,myTileId) |
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targetJlo =exch2_jtlo_c(N,myTileId) |
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targetJhi =exch2_jthi_c(N,myTileId) |
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pi(1) =exch2_pi(1,N,myTileId) |
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pi(2) =exch2_pi(2,N,myTileId) |
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pj(1) =exch2_pj(1,N,myTileId) |
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pj(2) =exch2_pj(2,N,myTileId) |
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oi =exch2_oi(N,myTileId) |
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oj =exch2_oj(N,myTileId) |
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IF ( targetIlo .EQ. targetIhi .AND. targetIlo .EQ. 0 ) THEN |
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C Sending to a west edge |
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targetIlo=1-OLx |
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targetIhi=0 |
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istride=1 |
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IF ( targetJlo .LE. targetJhi ) THEN |
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targetJlo=targetJlo-OLx+1 |
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targetJhi=targetJhi+OLx-1 |
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jstride=1 |
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ELSE |
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targetJlo=targetJlo+OLx-1 |
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targetJhi=targetJhi-OLx+1 |
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jstride=-1 |
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ENDIF |
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ENDIF |
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IF ( targetIlo .EQ. targetIhi .AND. targetIlo .GT. 1 ) THEN |
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C Sending to an east edge |
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targetIhi=targetIhi+OLx-1 |
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istride=1 |
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IF ( targetJlo .LE. targetJhi ) THEN |
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targetJlo=targetJlo-OLx+1 |
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targetJhi=targetJhi+OLx-1 |
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jstride=1 |
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ELSE |
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targetJlo=targetJlo+OLx-1 |
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targetJhi=targetJhi-OLx+1 |
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jstride=-1 |
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ENDIF |
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ENDIF |
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IF ( targetJlo .EQ. targetJhi .AND. targetJlo .EQ. 0 ) THEN |
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C Sending to a south edge |
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targetJlo=1-OLx |
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targetJhi=0 |
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jstride=1 |
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IF ( targetIlo .LE. targetIhi ) THEN |
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targetIlo=targetIlo-OLx+1 |
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targetIhi=targetIhi+OLx-1 |
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istride=1 |
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ELSE |
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targetIlo=targetIlo+OLx-1 |
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targetIhi=targetIhi-OLx+1 |
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istride=-1 |
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ENDIF |
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ENDIF |
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IF ( targetJlo .EQ. targetJhi .AND. targetJlo .GT. 1 ) THEN |
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C Sending to an north edge |
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targetJhi=targetJhi+OLx-1 |
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jstride=1 |
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IF ( targetIlo .LE. targetIhi ) THEN |
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targetIlo=targetIlo-OLx+1 |
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targetIhi=targetIhi+OLx-1 |
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istride=1 |
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ELSE |
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targetIlo=targetIlo+OLx-1 |
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targetIhi=targetIhi-OLx+1 |
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istride=-1 |
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ENDIF |
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ENDIF |
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sourceIlo=pi(1)*targetIlo+pi(2)*targetJlo+oi |
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sourceJlo=pj(1)*targetIlo+pj(2)*targetJlo+oj |
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sourceIhi=pi(1)*targetIhi+pi(2)*targetJhi+oi |
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sourceJhi=pj(1)*targetIhi+pj(2)*targetJhi+oj |
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C Tile XX sends to points i=ilo:ihi,j=jlo:jhi in tile YY |
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WRITE(msgBuffer, |
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& '(A,I4,A,I4,A,A,I4,A,I4,A,I4,A,I4)') |
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& 'Tile ',myTileId |
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& ,'(proc =',sourceProc,')', |
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& ' sends points i=',sourceIlo, |
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& ':',sourceIhi, |
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& ', j=',sourceJlo, |
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& ':',sourceJhi |
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CALL PRINT_MESSAGE(msgBuffer,standardMessageUnit, |
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& SQUEEZE_RIGHT,myThid) |
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WRITE(msgBuffer, |
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& '(A,I4,A,I4,A,I4,A,I4,A,I4,A,I4,A)') |
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& ' to points i=',targetIlo, |
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& ':',targetIhi, |
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& ', j=',targetJlo, |
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& ':',targetJhi, |
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& ' in tile ',targetTile, |
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& '(proc =',targetProc,')' |
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CALL PRINT_MESSAGE(msgBuffer,standardMessageUnit, |
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& SQUEEZE_RIGHT,myThid) |
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ENDDO |
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ENDDO |
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C Recv loop for cell centered |
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DO I=1,nSx |
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myTileId=W2_myTileList(I) |
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nN=exch2_nNeighbours(myTileId) |
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sourceProc=exch2_tProc(myTileId) |
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DO N=1,nN |
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targetTile=exch2_neighbourId(N,myTileId) |
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targetProc=exch2_tProc(targetTile) |
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C Find entry for tile targetTile entry that sent to this edge. |
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tN=exch2_opposingSend_record(N,myTileId) |
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C Get the range of points associated with that entry |
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targetIlo =exch2_itlo_c(tN,targetTile) |
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targetIhi =exch2_ithi_c(tN,targetTile) |
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targetJlo =exch2_jtlo_c(tN,targetTile) |
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targetJhi =exch2_jthi_c(tN,targetTile) |
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IF ( targetIlo .EQ. targetIhi .AND. targetIlo .EQ. 0 ) THEN |
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C Sending to a west edge |
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targetIlo=1-OLx |
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targetIhi=0 |
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istride=1 |
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IF ( targetJlo .LE. targetJhi ) THEN |
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targetJlo=targetJlo-OLx+1 |
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targetJhi=targetJhi+OLx-1 |
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jstride=1 |
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ELSE |
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targetJlo=targetJlo+OLx-1 |
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targetJhi=targetJhi-OLx+1 |
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jstride=-1 |
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ENDIF |
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ENDIF |
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IF ( targetIlo .EQ. targetIhi .AND. targetIlo .GT. 1 ) THEN |
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C Sending to an east edge |
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targetIhi=targetIhi+OLx-1 |
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istride=1 |
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IF ( targetJlo .LE. targetJhi ) THEN |
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targetJlo=targetJlo-OLx+1 |
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targetJhi=targetJhi+OLx-1 |
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jstride=1 |
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ELSE |
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targetJlo=targetJlo+OLx-1 |
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targetJhi=targetJhi-OLx+1 |
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jstride=-1 |
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ENDIF |
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ENDIF |
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IF ( targetJlo .EQ. targetJhi .AND. targetJlo .EQ. 0 ) THEN |
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C Sending to a south edge |
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targetJlo=1-OLx |
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targetJhi=0 |
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jstride=1 |
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IF ( targetIlo .LE. targetIhi ) THEN |
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targetIlo=targetIlo-OLx+1 |
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targetIhi=targetIhi+OLx-1 |
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istride=1 |
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ELSE |
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targetIlo=targetIlo+OLx-1 |
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targetIhi=targetIhi-OLx+1 |
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istride=-1 |
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ENDIF |
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ENDIF |
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IF ( targetJlo .EQ. targetJhi .AND. targetJlo .GT. 1 ) THEN |
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C Sending to an north edge |
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targetJhi=targetJhi+OLx-1 |
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jstride=1 |
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IF ( targetIlo .LE. targetIhi ) THEN |
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targetIlo=targetIlo-OLx+1 |
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targetIhi=targetIhi+OLx-1 |
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istride=1 |
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ELSE |
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targetIlo=targetIlo+OLx-1 |
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targetIhi=targetIhi-OLx+1 |
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istride=-1 |
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ENDIF |
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ENDIF |
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C Tile XX receives points i=ilo:ihi,j=jlo:jhi in tile YY |
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WRITE(msgBuffer, |
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& '(A,I4,A,I4,A,A,I4,A,I4,A,I4,A,I4,A,I4,A,I4,A)') |
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& 'Tile ',myTileId |
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& ,'(proc =',targetProc,')', |
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& 'recv to points i=',targetIlo, |
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& ':',targetIhi, |
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& ', j=',targetJlo, |
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& ':',targetJhi, |
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& 'from tile',targetTile, |
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& '(proc =',targetProc,')' |
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CALL PRINT_MESSAGE(msgBuffer,standardMessageUnit, |
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& SQUEEZE_RIGHT,myThid) |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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