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#include "CPP_OPTIONS.h" |
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|
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SUBROUTINE EXCH2_SEND_RX1 ( |
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I tIlo, tIhi, tiStride, |
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I tJlo, tJhi, tjStride, |
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I tKlo, tKhi, tkStride, |
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I thisTile, nN, |
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I e2Bufr1_RX, e2BufrRecSize, |
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I array, |
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I i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi, |
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O e2_msgHandle, |
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I commSetting, myThid ) |
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|
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IMPLICIT NONE |
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|
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C |
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#include "W2_OPTIONS.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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|
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#include "EEPARAMS.h" |
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CHARACTER*(MAX_LEN_MBUF) messageBuffer |
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C |
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C === Routine arguments === |
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INTEGER tILo, tIHi, tiStride |
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INTEGER tJLo, tJHi, tjStride |
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INTEGER tKLo, tKHi, tkStride |
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INTEGER i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi |
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INTEGER thisTile, nN |
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INTEGER e2BufrRecSize |
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_RX e2Bufr1_RX( e2BufrRecSize ) |
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_RX array(i1Lo:i1Hi,j1Lo:j1Hi,k1Lo:k1Hi) |
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INTEGER e2_msgHandle(1) |
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INTEGER myThid |
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CHARACTER commSetting |
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|
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C == Local variables == |
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C itl, jtl, ktl :: Loop counters |
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C :: itl etc... target local |
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C :: itc etc... target canonical |
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C :: isl etc... source local |
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C :: isc etc... source canonical |
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INTEGER itl, jtl, ktl |
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INTEGER itc, jtc, ktc |
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INTEGER isc, jsc, ksc |
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INTEGER isl, jsl, ksl |
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C tt :: Target tile |
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C itb, jtb :: Target local to canonical offsets |
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C |
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INTEGER tt |
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INTEGER itb, jtb |
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INTEGER isb, jsb |
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INTEGER pi(2), pj(2), oi, oj |
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INTEGER iBufr |
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|
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C MPI setup |
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#include "SIZE.h" |
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#include "EESUPPORT.h" |
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INTEGER theTag, theType, theHandle |
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INTEGER sProc, tProc, mpiRc |
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|
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IF ( commSetting .EQ. 'P' ) THEN |
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C Need to check that buffer synchronisation token is decremented |
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C before filling buffer. |
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ENDIF |
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|
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tt=exch2_neighbourId(nN, thisTile ) |
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itb=exch2_tbasex(tt) |
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jtb=exch2_tbasey(tt) |
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isb=exch2_tbasex(thisTile) |
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jsb=exch2_tbasey(thisTile) |
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pi(1)=exch2_pi(1,nN,thisTile) |
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pi(2)=exch2_pi(2,nN,thisTile) |
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pj(1)=exch2_pj(1,nN,thisTile) |
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pj(2)=exch2_pj(2,nN,thisTile) |
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oi=exch2_oi(nN,thisTile) |
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oj=exch2_oj(nN,thisTile) |
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iBufr=0 |
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#ifdef W2_E2_DEBUG_ON |
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WRITE(messageBuffer,'(A,I4,A,I4)') 'EXCH2_SEND_RX1 sourceTile= ', |
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& thisTile, |
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& 'targetTile= ',tt |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_BOTH, |
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I myThid) |
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#endif /* W2_E2_DEBUG_ON */ |
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DO ktl=tKlo,tKhi,tKStride |
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DO jtl=tJLo, tJHi, tjStride |
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DO itl=tILo, tIHi, tiStride |
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iBufr=iBufr+1 |
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itc=itl+itb |
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jtc=jtl+jtb |
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isc=pi(1)*itc+pi(2)*jtc+oi |
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jsc=pj(1)*itc+pj(2)*jtc+oj |
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isl=isc-isb |
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jsl=jsc-jsb |
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e2Bufr1_RX(iBufr)=array(isl,jsl,ktl) |
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#ifdef W2_E2_DEBUG_ON |
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WRITE(messageBuffer,'(A,2I4)') |
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& 'EXCH2_SEND_RX1 target t(itl,jtl) = ', itl, jtl |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source (isl,jsl) = ', isl, jsl |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
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IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' *** isl is out of bounds' |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
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ENDIF |
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IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' *** jsl is out of bounds' |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
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ENDIF |
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#endif /* W2_E2_DEBUG_ON */ |
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#ifdef W2_USE_E2_SAFEMODE |
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IF ( iBufr .GT. e2BufrRecSize ) THEN |
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C Ran off end of buffer. This should not happen |
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STOP 'EXCH2_SEND_RX1:: E2BUFR LIMIT EXCEEDED' |
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ENDIF |
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IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
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C Forward mode send getting from points outside of the |
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C tiles exclusive domain bounds in X. This should not happen |
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STOP 'EXCH2_SEND_RX1:: ISL OUTSIDE TILE EXCLUSIVE DOMAIN' |
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ENDIF |
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IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
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C Forward mode send getting from points outside of the |
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C tiles exclusive domain bounds in Y. This should not happen |
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STOP 'EXCH2_SEND_RX1:: JSL OUTSIDE TILE EXCLUSIVE DOMAIN' |
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ENDIF |
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#endif /* W2_USE_E2_SAFEMODE */ |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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C Do data transport depending on communication mechanism between source and target tile |
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IF ( commSetting .EQ. 'P' ) THEN |
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C Need to set data ready assertion (increment buffer synchronisation token) |
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C for multithreaded mode, for now do nothing i.e. assume only one thread per process. |
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ELSEIF ( commSetting .EQ. 'M' ) THEN |
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#ifdef ALLOW_USE_MPI |
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C Setup MPI stuff here |
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theTag = (thisTile-1)*MAX_NEIGHBOURS + nN |
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& + 10000*( |
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& (tt-1)*MAX_NEIGHBOURS + nN |
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& ) |
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tProc = exch2_tProc(tt)-1 |
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sProc = exch2_tProc(thisTile)-1 |
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theType = MPI_REAL8 |
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#ifdef W2_E2_DEBUG_ON |
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WRITE(messageBuffer,'(A,I4,A,I4,A)') ' SEND FROM TILE=', thisTile, |
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& ' (proc = ',sProc,')' |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
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WRITE(messageBuffer,'(A,I4,A,I4,A)') ' TO TILE=', tt, |
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& ' (proc = ',tProc,')' |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
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WRITE(messageBuffer,'(A,I10)') ' TAG=', theTag |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
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WRITE(messageBuffer,'(A,I4)') ' NEL=', iBufr |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
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#endif /* W2_E2_DEBUG_ON */ |
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CALL MPI_Isend( e2Bufr1_RX, iBufr, theType, |
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I tProc, theTag, MPI_COMM_MODEL, |
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O theHandle, mpiRc ) |
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C Store MPI_Wait token in messageHandle. |
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e2_msgHandle(1) = theHandle |
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#endif |
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ELSE |
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STOP 'EXCH2_SEND_RX1:: commSetting VALUE IS INVALID' |
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ENDIF |
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|
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RETURN |
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END |
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