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C $Header: /u/gcmpack/MITgcm/pkg/exch2/exch2_send_rx2.template,v 1.9 2009/05/12 19:44:58 jmc Exp $ |
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C $Name: $ |
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|
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#include "CPP_EEOPTIONS.h" |
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#include "W2_OPTIONS.h" |
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|
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SUBROUTINE EXCH2_SEND_RX2 ( |
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I tIlo1, tIhi1, tIlo2, tIhi2, tiStride, |
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I tJlo1, tJhi1, tJlo2, tJhi2, tjStride, |
| 10 |
I tKlo, tKhi, tkStride, |
| 11 |
I thisTile, nN, oIs1, oJs1, oIs2, oJs2, |
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O e2Bufr1_RX, e2Bufr2_RX, |
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I e2BufrRecSize, |
| 14 |
I array1, |
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I i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi, |
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I array2, |
| 17 |
I i2Lo, i2Hi, j2Lo, j2Hi, k2Lo, k2Hi, |
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O e2_msgHandle1, |
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O e2_msgHandle2, |
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I commSetting, withSigns, myThid ) |
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|
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C Vector exchange with bufr1 along +i axis in target tile and |
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C bufr2 along +j axis in target tile. |
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|
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IMPLICIT NONE |
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|
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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_SIZE.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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|
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C === Routine arguments === |
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INTEGER tIlo1, tIhi1, tIlo2, tIhi2, tiStride |
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INTEGER tJlo1, tJhi1, tJlo2, tJhi2, 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 i2Lo, i2Hi, j2Lo, j2Hi, k2Lo, k2Hi |
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INTEGER thisTile, nN |
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INTEGER oIs1, oJs1, oIs2, oJs2 |
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INTEGER e2BufrRecSize |
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_RX e2Bufr1_RX( e2BufrRecSize ) |
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_RX e2Bufr2_RX( e2BufrRecSize ) |
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_RX array1(i1Lo:i1Hi,j1Lo:j1Hi,k1Lo:k1Hi) |
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_RX array2(i2Lo:i2Hi,j2Lo:j2Hi,k2Lo:k2Hi) |
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INTEGER e2_msgHandle1(1) |
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INTEGER e2_msgHandle2(1) |
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INTEGER myThid |
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CHARACTER commSetting |
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LOGICAL withSigns |
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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 |
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INTEGER isc, jsc |
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INTEGER isl, jsl |
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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) |
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_RX sa1, sa2, val1, val2 |
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INTEGER iBufr1, iBufr2 |
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|
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C MPI setup |
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#ifdef ALLOW_USE_MPI |
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INTEGER theTag1, theTag2, theType, theHandle1, theHandle2 |
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INTEGER sProc, tProc, mpiRc |
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#endif |
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CHARACTER*(MAX_LEN_MBUF) messageBuffer |
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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. This is needed for parallel processing |
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C shared memory modes only. |
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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_pij(1,nN,thisTile) |
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pi(2)=exch2_pij(2,nN,thisTile) |
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pj(1)=exch2_pij(3,nN,thisTile) |
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pj(2)=exch2_pij(4,nN,thisTile) |
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|
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C Extract into bufr1 (target i-index array) |
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C if pi(1) is 1 then +i in target <=> +i in source so bufr1 should get +array1 |
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C if pi(1) is -1 then +i in target <=> -i in source so bufr1 should get -array1 |
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C if pj(1) is 1 then +i in target <=> +j in source so bufr1 should get +array2 |
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C if pj(1) is -1 then +i in target <=> -j in source so bufr1 should get -array2 |
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sa1 = pi(1) |
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sa2 = pj(1) |
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IF ( .NOT. withSigns ) THEN |
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sa1 = ABS(sa1) |
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sa2 = ABS(sa2) |
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ENDIF |
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C if pi(1) is 1 then +i in source aligns with +i in target |
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C if pj(1) is 1 then +i in source aligns with +j in target |
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iBufr1=0 |
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#ifdef W2_E2_DEBUG_ON |
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WRITE(messageBuffer,'(A,I4,A,I4)') 'EXCH2_SEND_RX2 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=tJlo1, tJhi1, tjStride |
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DO itl=tIlo1, tIhi1, tiStride |
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iBufr1=iBufr1+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+oIs1 |
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jsc=pj(1)*itc+pj(2)*jtc+oJs1 |
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isl=isc-isb |
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jsl=jsc-jsb |
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val1=sa1*array1(isl,jsl,ktl) |
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& +sa2*array2(isl,jsl,ktl) |
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e2Bufr1_RX(iBufr1)=val1 |
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#ifdef W2_E2_DEBUG_ON |
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WRITE(messageBuffer,'(A,2I4)') |
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& 'EXCH2_SEND_RX2 target u(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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IF ( pi(1) .EQ. 1 ) THEN |
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C i index aligns |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source +u(isl, jsl) = ', isl, jsl |
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ELSEIF ( pi(1) .EQ. -1 ) THEN |
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C reversed i index aligns |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source -u(isl, jsl) = ', isl, jsl |
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ELSEIF ( pj(1) .EQ. 1 ) THEN |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source +v(isl, jsl) = ', isl, jsl |
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ELSEIF ( pj(1) .EQ. -1 ) THEN |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source -v(isl, jsl) = ', isl, jsl |
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ENDIF |
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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 ( iBufr1 .GT. e2BufrRecSize ) THEN |
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C Ran off end of buffer. This should not happen |
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STOP 'EXCH2_SEND_RX2:: 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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WRITE(messageBuffer,'(A,I4,I4)') |
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& 'EXCH2_SEND_RX2 tIlo1,tIhi1=', tIlo1, tIhi1 |
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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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WRITE(messageBuffer,'(A,3I4)') |
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& 'EXCH2_SEND_RX2 itl, jtl, isl =', itl, jtl, isl |
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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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STOP 'EXCH2_SEND_RX2:: 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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WRITE(messageBuffer,'(A,I4,I4)') |
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& 'EXCH2_SEND_RX2 tJlo1,tJhi1=', tJlo1, tJhi1 |
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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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WRITE(messageBuffer,'(A,2I4)') |
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& 'EXCH2_SEND_RX2 itl, jtl =', itl, jtl |
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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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WRITE(messageBuffer,'(A,2I4)') |
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& 'EXCH2_SEND_RX2 isl, jsl =', isl, jsl |
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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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|
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STOP 'EXCH2_SEND_RX2:: 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 Extract values into bufr2 |
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C if pi(2) is 1 then +j in target <=> +i in source so bufr1 should get +array1 |
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C if pi(2) is -1 then +j in target <=> -i in source so bufr1 should get -array1 |
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C if pj(2) is 1 then +j in target <=> +j in source so bufr1 should get +array2 |
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C if pj(2) is -1 then +j in target <=> -j in source so bufr1 should get -array2 |
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sa1 = pi(2) |
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sa2 = pj(2) |
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IF ( .NOT. withSigns ) THEN |
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sa1 = ABS(sa1) |
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sa2 = ABS(sa2) |
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ENDIF |
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iBufr2=0 |
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#ifdef W2_E2_DEBUG_ON |
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WRITE(messageBuffer,'(A,I4,A,I4)') 'EXCH2_SEND_RX2 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=tJlo2, tJhi2, tjStride |
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DO itl=tIlo2, tIhi2, tiStride |
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iBufr2=iBufr2+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+oIs2 |
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jsc=pj(1)*itc+pj(2)*jtc+oJs2 |
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isl=isc-isb |
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jsl=jsc-jsb |
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val2=sa1*array1(isl,jsl,ktl) |
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& +sa2*array2(isl,jsl,ktl) |
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e2Bufr2_RX(iBufr2)=val2 |
| 248 |
#ifdef W2_E2_DEBUG_ON |
| 249 |
WRITE(messageBuffer,'(A,2I4)') |
| 250 |
& 'EXCH2_SEND_RX2 target v(itl, jtl) = ', itl, jtl |
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CALL PRINT_MESSAGE(messageBuffer, |
| 252 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 253 |
I myThid) |
| 254 |
IF ( pi(2) .EQ. 1 ) THEN |
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C i index aligns |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source +u(isl, jsl) = ', isl, jsl |
| 258 |
ELSEIF ( pi(2) .EQ. -1 ) THEN |
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C reversed i index aligns |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source -u(isl, jsl) = ', isl, jsl |
| 262 |
ELSEIF ( pj(2) .EQ. 1 ) THEN |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source +v(isl, jsl) = ', isl, jsl |
| 265 |
ELSEIF ( pj(2) .EQ. -1 ) THEN |
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WRITE(messageBuffer,'(A,2I4)') |
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& ' source -v(isl, jsl) = ', isl, jsl |
| 268 |
ENDIF |
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CALL PRINT_MESSAGE(messageBuffer, |
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I standardMessageUnit,SQUEEZE_RIGHT, |
| 271 |
I myThid) |
| 272 |
IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
| 273 |
WRITE(messageBuffer,'(A,2I4)') |
| 274 |
& ' *** isl is out of bounds ' |
| 275 |
CALL PRINT_MESSAGE(messageBuffer, |
| 276 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 277 |
I myThid) |
| 278 |
ENDIF |
| 279 |
IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
| 280 |
WRITE(messageBuffer,'(A,2I4)') |
| 281 |
& ' *** jsl is out of bounds ' |
| 282 |
CALL PRINT_MESSAGE(messageBuffer, |
| 283 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 284 |
I myThid) |
| 285 |
ENDIF |
| 286 |
|
| 287 |
#endif /* W2_E2_DEBUG_ON */ |
| 288 |
#ifdef W2_USE_E2_SAFEMODE |
| 289 |
IF ( iBufr2 .GT. e2BufrRecSize ) THEN |
| 290 |
C Ran off end of buffer. This should not happen |
| 291 |
STOP 'EXCH2_SEND_RX2:: E2BUFR LIMIT EXCEEDED' |
| 292 |
ENDIF |
| 293 |
IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
| 294 |
C Forward mode send getting from points outside of the |
| 295 |
C tiles exclusive domain bounds in X. This should not happen |
| 296 |
WRITE(messageBuffer,'(A,I4,I4)') |
| 297 |
& 'EXCH2_SEND_RX2 tIlo2,tIhi2=', tIlo2, tIhi2 |
| 298 |
CALL PRINT_MESSAGE(messageBuffer, |
| 299 |
I standardMessageUnit,SQUEEZE_BOTH, |
| 300 |
I myThid) |
| 301 |
WRITE(messageBuffer,'(A,3I4)') |
| 302 |
& 'EXCH2_SEND_RX2 itl, jtl, isl =', itl, jtl, isl |
| 303 |
CALL PRINT_MESSAGE(messageBuffer, |
| 304 |
I standardMessageUnit,SQUEEZE_BOTH, |
| 305 |
I myThid) |
| 306 |
STOP 'EXCH2_SEND_RX2:: ISL OUTSIDE TILE EXCLUSIVE DOMAIN' |
| 307 |
ENDIF |
| 308 |
IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
| 309 |
C Forward mode send getting from points outside of the |
| 310 |
C tiles exclusive domain bounds in Y. This should not happen |
| 311 |
WRITE(messageBuffer,'(A,I4,I4)') |
| 312 |
& 'EXCH2_SEND_RX2 tJlo2,tJhi2=', tJlo2, tJhi2 |
| 313 |
CALL PRINT_MESSAGE(messageBuffer, |
| 314 |
I standardMessageUnit,SQUEEZE_BOTH, |
| 315 |
I myThid) |
| 316 |
WRITE(messageBuffer,'(A,2I4)') |
| 317 |
& 'EXCH2_SEND_RX2 itl, jtl =', itl, jtl |
| 318 |
CALL PRINT_MESSAGE(messageBuffer, |
| 319 |
I standardMessageUnit,SQUEEZE_BOTH, |
| 320 |
I myThid) |
| 321 |
WRITE(messageBuffer,'(A,2I4)') |
| 322 |
& 'EXCH2_SEND_RX2 isl, jsl =', isl, jsl |
| 323 |
CALL PRINT_MESSAGE(messageBuffer, |
| 324 |
I standardMessageUnit,SQUEEZE_BOTH, |
| 325 |
I myThid) |
| 326 |
|
| 327 |
STOP 'EXCH2_SEND_RX2:: JSL OUTSIDE TILE EXCLUSIVE DOMAIN' |
| 328 |
ENDIF |
| 329 |
#endif /* W2_USE_E2_SAFEMODE */ |
| 330 |
ENDDO |
| 331 |
ENDDO |
| 332 |
ENDDO |
| 333 |
|
| 334 |
C Do data transport depending on communication mechanism between source and target tile |
| 335 |
IF ( commSetting .EQ. 'P' ) THEN |
| 336 |
C Need to set data ready assertion (increment buffer |
| 337 |
C synchronisation token) for multithreaded mode, for now do |
| 338 |
C nothing i.e. assume only one thread per process. |
| 339 |
ELSEIF ( commSetting .EQ. 'M' ) THEN |
| 340 |
#ifdef ALLOW_USE_MPI |
| 341 |
C Setup MPI stuff here |
| 342 |
theTag1 = (thisTile-1)*W2_maxNeighbours*2 + nN-1 |
| 343 |
theTag2 = (thisTile-1)*W2_maxNeighbours*2 |
| 344 |
& + W2_maxNeighbours + nN-1 |
| 345 |
tProc = exch2_tProc(tt)-1 |
| 346 |
sProc = exch2_tProc(thisTile)-1 |
| 347 |
theType = _MPI_TYPE_RX |
| 348 |
#ifdef W2_E2_DEBUG_ON |
| 349 |
WRITE(messageBuffer,'(A,I4,A,I4,A)') ' SEND FROM TILE=',thisTile, |
| 350 |
& ' (proc = ',sProc,')' |
| 351 |
CALL PRINT_MESSAGE(messageBuffer, |
| 352 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 353 |
I myThid) |
| 354 |
WRITE(messageBuffer,'(A,I4,A,I4,A)') ' TO TILE=', tt, |
| 355 |
& ' (proc = ',tProc,')' |
| 356 |
CALL PRINT_MESSAGE(messageBuffer, |
| 357 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 358 |
I myThid) |
| 359 |
WRITE(messageBuffer,'(A,I10)') ' TAG1=', theTag1 |
| 360 |
CALL PRINT_MESSAGE(messageBuffer, |
| 361 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 362 |
I myThid) |
| 363 |
WRITE(messageBuffer,'(A,I4)') ' NEL1=', iBufr1 |
| 364 |
CALL PRINT_MESSAGE(messageBuffer, |
| 365 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 366 |
I myThid) |
| 367 |
WRITE(messageBuffer,'(A,I10)') ' TAG2=', theTag2 |
| 368 |
CALL PRINT_MESSAGE(messageBuffer, |
| 369 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 370 |
I myThid) |
| 371 |
WRITE(messageBuffer,'(A,I4)') ' NEL2=', iBufr2 |
| 372 |
CALL PRINT_MESSAGE(messageBuffer, |
| 373 |
I standardMessageUnit,SQUEEZE_RIGHT, |
| 374 |
I myThid) |
| 375 |
#endif /* W2_E2_DEBUG_ON */ |
| 376 |
CALL MPI_Isend( e2Bufr1_RX, iBufr1, theType, |
| 377 |
I tProc, theTag1, MPI_COMM_MODEL, |
| 378 |
O theHandle1, mpiRc ) |
| 379 |
CALL MPI_Isend( e2Bufr2_RX, iBufr2, theType, |
| 380 |
I tProc, theTag2, MPI_COMM_MODEL, |
| 381 |
O theHandle2, mpiRc ) |
| 382 |
C Store MPI_Wait token in messageHandle. |
| 383 |
e2_msgHandle1(1) = theHandle1 |
| 384 |
e2_msgHandle2(1) = theHandle2 |
| 385 |
#endif |
| 386 |
ELSE |
| 387 |
STOP 'EXCH2_SEND_RX2:: commSetting VALUE IS INVALID' |
| 388 |
ENDIF |
| 389 |
|
| 390 |
RETURN |
| 391 |
END |
| 392 |
|
| 393 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 394 |
|
| 395 |
CEH3 ;;; Local Variables: *** |
| 396 |
CEH3 ;;; mode:fortran *** |
| 397 |
CEH3 ;;; End: *** |
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