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jmc |
1.2 |
C $Header: /u/gcmpack/MITgcm/pkg/exch2/exch2_ad_put_rx2.template,v 1.1 2009/05/30 21:18:59 jmc Exp $ |
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jmc |
1.1 |
C $Name: $ |
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#include "CPP_EEOPTIONS.h" |
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#include "W2_OPTIONS.h" |
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CBOP 0 |
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C !ROUTINE: EXCH2_AD_PUT_RX2 |
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C !INTERFACE: |
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SUBROUTINE EXCH2_AD_PUT_RX2 ( |
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I tIlo1, tIhi1, tIlo2, tIhi2, tiStride, |
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I tJlo1, tJhi1, tJlo2, tJhi2, tjStride, |
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I tKlo, tKhi, tkStride, |
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I oIs1, oJs1, oIs2, oJs2, |
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I thisTile, nN, |
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I e2BufrRecSize, |
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O e2Bufr1_RX, e2Bufr2_RX, |
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I array1, |
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I array2, |
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I i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi, |
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I i2Lo, i2Hi, j2Lo, j2Hi, k2Lo, k2Hi, |
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O e2_msgHandle, |
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I commSetting, withSigns, myThid ) |
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C !DESCRIPTION: |
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C--------------- |
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jmc |
1.2 |
C AD: IMPORTANT: all comments (except AD:) are taken from the Forward S/R |
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jmc |
1.1 |
C AD: and need to be interpreted in the reverse sense: put <-> get, |
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C AD: send <-> recv, source <-> target ... |
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C--------------- |
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C Two components vector field Exchange: |
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C Put into buffer exchanged data from this source tile. |
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C Those data are intended to fill-in the |
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C target-neighbour-edge overlap region. |
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C !USES: |
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IMPLICIT NONE |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "W2_EXCH2_SIZE.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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C tIlo1, tIhi1 :: index range in I that will be filled in target "array1" |
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C tIlo2, tIhi2 :: index range in I that will be filled in target "array2" |
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C tIstride :: index step in I that will be filled in target arrays |
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C tJlo1, tJhi1 :: index range in J that will be filled in target "array1" |
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C tJlo2, tJhi2 :: index range in J that will be filled in target "array2" |
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C tJstride :: index step in J that will be filled in target arrays |
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C tKlo, tKhi :: index range in K that will be filled in target arrays |
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C tKstride :: index step in K that will be filled in target arrays |
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C oIs1, oJs1 :: I,J index offset in target to source-1 connection |
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C oIs2, oJs2 :: I,J index offset in target to source-2 connection |
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C thisTile :: sending tile Id. number |
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C nN :: Neighbour entry that we are processing |
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C e2BufrRecSize :: Number of elements in each entry of e2Bufr[1,2]_RX |
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C e2Bufr1_RX :: Data transport buffer array. This array is used in one of |
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C e2Bufr2_RX :: two ways. For PUT communication the entry in the buffer |
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C :: associated with the source for this receive (determined |
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C :: from the opposing_send index) is read. |
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C :: For MSG communication the entry in the buffer associated |
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C :: with this neighbor of this tile is used as a receive |
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C :: location for loading a linear stream of bytes. |
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C array1 :: 1rst Component target array that this receive writes to. |
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C array2 :: 2nd Component target array that this receive writes to. |
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C i1Lo, i1Hi :: I coordinate bounds of target array1 |
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C j1Lo, j1Hi :: J coordinate bounds of target array1 |
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C k1Lo, k1Hi :: K coordinate bounds of target array1 |
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C i2Lo, i2Hi :: I coordinate bounds of target array2 |
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C j2Lo, j2Hi :: J coordinate bounds of target array2 |
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C k2Lo, k2Hi :: K coordinate bounds of target array2 |
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C e2_msgHandles :: Synchronization and coordination data structure used to |
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C :: coordinate access to e2Bufr1_RX or to regulate message |
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C :: buffering. In PUT communication sender will increment |
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C :: handle entry once data is ready in buffer. Receiver will |
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C :: decrement handle once data is consumed from buffer. |
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jmc |
1.2 |
C :: For MPI MSG communication MPI_Wait uses handle to check |
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jmc |
1.1 |
C :: Isend has cleared. This is done in routine after receives. |
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C commSetting :: Mode of communication used to exchange with this neighbor |
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C withSigns :: Flag controlling whether vector field is signed. |
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C myThid :: my Thread Id. number |
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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 oIs1, oJs1, oIs2, oJs2 |
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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 e2Bufr2_RX( e2BufrRecSize ) |
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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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_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_msgHandle(2) |
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CHARACTER commSetting |
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LOGICAL withSigns |
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INTEGER myThid |
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CEOP |
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C !LOCAL VARIABLES: |
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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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C tgT :: Target tile |
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C itb, jtb :: Target local to canonical offsets |
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C iBufr1 :: number of buffer-1 elements filled in |
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C iBufr2 :: number of buffer-2 elements filled in |
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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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INTEGER tgT |
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INTEGER itb, jtb |
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INTEGER isb, jsb |
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INTEGER iBufr1, iBufr2 |
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INTEGER pi(2), pj(2) |
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_RX sa1, sa2, val1, val2 |
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#if ( (defined W2_E2_DEBUG_ON) || (defined W2_USE_E2_SAFEMODE) ) |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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#endif |
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IF ( commSetting .EQ. 'P' ) THEN |
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C AD: 1 Need to check and spin on data ready assertion for multithreaded mode, |
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C AD: for now, ensure global sync using barrier. |
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C AD: 2 get directly data from 1rst level buffer (sLv=1); |
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ENDIF |
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tgT = exch2_neighbourId(nN, thisTile ) |
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itb = exch2_tBasex(tgT) |
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jtb = exch2_tBasey(tgT) |
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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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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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#ifdef W2_E2_DEBUG_ON |
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WRITE(msgBuf,'(A,I5,A,I5)') |
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& 'EXCH2_AD_PUT_RX2 sourceTile=', thisTile, ' targetTile=', tgT |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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I SQUEEZE_BOTH, myThid ) |
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#endif /* W2_E2_DEBUG_ON */ |
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iBufr1=0 |
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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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#ifdef W2_E2_DEBUG_ON |
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WRITE(msgBuf,'(A,2I4)') |
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& 'EXCH2_AD_PUT_RX2 target u(itl, jtl) = ', itl, jtl |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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I SQUEEZE_RIGHT, myThid ) |
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IF ( pi(1) .EQ. 1 ) THEN |
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C i index aligns |
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WRITE(msgBuf,'(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(msgBuf,'(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(msgBuf,'(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(msgBuf,'(A,2I4)') |
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& ' source -v(isl, jsl) = ', isl, jsl |
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ENDIF |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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I SQUEEZE_RIGHT, myThid ) |
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IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
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WRITE(msgBuf,'(A,2I4)') |
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& ' *** isl is out of bounds ' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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I SQUEEZE_RIGHT, myThid ) |
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ENDIF |
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IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
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WRITE(msgBuf,'(A,2I4)') |
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& ' *** jsl is out of bounds ' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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I SQUEEZE_RIGHT, 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_AD_PUT_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(msgBuf,'(A,I4,I4)') |
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& 'EXCH2_AD_PUT_RX2 tIlo1,tIhi1=', tIlo1, tIhi1 |
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CALL PRINT_ERROR (msgBuf, myThid ) |
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WRITE(msgBuf,'(A,3I4)') |
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& 'EXCH2_AD_PUT_RX2 itl, jtl, isl =', itl, jtl, isl |
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CALL PRINT_ERROR (msgBuf, myThid ) |
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STOP 'EXCH2_AD_PUT_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(msgBuf,'(A,I4,I4)') |
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& 'EXCH2_AD_PUT_RX2 tJlo1,tJhi1=', tJlo1, tJhi1 |
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CALL PRINT_ERROR (msgBuf, myThid ) |
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WRITE(msgBuf,'(A,2I4)') |
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& 'EXCH2_AD_PUT_RX2 itl, jtl =', itl, jtl |
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CALL PRINT_ERROR (msgBuf, myThid ) |
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WRITE(msgBuf,'(A,2I4)') |
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& 'EXCH2_AD_PUT_RX2 isl, jsl =', isl, jsl |
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CALL PRINT_ERROR (msgBuf, myThid ) |
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STOP 'EXCH2_AD_PUT_RX2:: JSL OUTSIDE TILE EXCLUSIVE DOMAIN' |
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ENDIF |
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#endif /* W2_USE_E2_SAFEMODE */ |
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val1 = e2Bufr1_RX(iBufr1) |
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array1(isl,jsl,ktl) = array1(isl,jsl,ktl) + sa1*val1 |
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array2(isl,jsl,ktl) = array2(isl,jsl,ktl) + sa2*val1 |
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ENDDO |
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ENDDO |
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ENDDO |
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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) |
| 257 |
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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 |
| 262 |
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DO ktl=tKlo,tKhi,tkStride |
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DO jtl=tJlo2, tJhi2, tjStride |
| 264 |
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DO itl=tIlo2, tIhi2, tiStride |
| 265 |
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iBufr2=iBufr2+1 |
| 266 |
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itc = itl+itb |
| 267 |
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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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#ifdef W2_E2_DEBUG_ON |
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WRITE(msgBuf,'(A,2I4)') |
| 274 |
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& 'EXCH2_AD_PUT_RX2 target v(itl, jtl) = ', itl, jtl |
| 275 |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 276 |
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I SQUEEZE_RIGHT, myThid ) |
| 277 |
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IF ( pi(2) .EQ. 1 ) THEN |
| 278 |
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C i index aligns |
| 279 |
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WRITE(msgBuf,'(A,2I4)') |
| 280 |
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& ' source +u(isl, jsl) = ', isl, jsl |
| 281 |
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ELSEIF ( pi(2) .EQ. -1 ) THEN |
| 282 |
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C reversed i index aligns |
| 283 |
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WRITE(msgBuf,'(A,2I4)') |
| 284 |
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& ' source -u(isl, jsl) = ', isl, jsl |
| 285 |
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ELSEIF ( pj(2) .EQ. 1 ) THEN |
| 286 |
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WRITE(msgBuf,'(A,2I4)') |
| 287 |
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& ' source +v(isl, jsl) = ', isl, jsl |
| 288 |
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ELSEIF ( pj(2) .EQ. -1 ) THEN |
| 289 |
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WRITE(msgBuf,'(A,2I4)') |
| 290 |
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& ' source -v(isl, jsl) = ', isl, jsl |
| 291 |
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ENDIF |
| 292 |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 293 |
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I SQUEEZE_RIGHT, myThid ) |
| 294 |
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IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
| 295 |
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WRITE(msgBuf,'(A,2I4)') |
| 296 |
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& ' *** isl is out of bounds ' |
| 297 |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 298 |
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I SQUEEZE_RIGHT, myThid ) |
| 299 |
|
|
ENDIF |
| 300 |
|
|
IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
| 301 |
|
|
WRITE(msgBuf,'(A,2I4)') |
| 302 |
|
|
& ' *** jsl is out of bounds ' |
| 303 |
|
|
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 304 |
|
|
I SQUEEZE_RIGHT, myThid ) |
| 305 |
|
|
ENDIF |
| 306 |
|
|
#endif /* W2_E2_DEBUG_ON */ |
| 307 |
|
|
#ifdef W2_USE_E2_SAFEMODE |
| 308 |
|
|
IF ( iBufr2 .GT. e2BufrRecSize ) THEN |
| 309 |
|
|
C Ran off end of buffer. This should not happen |
| 310 |
|
|
STOP 'EXCH2_AD_PUT_RX2:: E2BUFR LIMIT EXCEEDED' |
| 311 |
|
|
ENDIF |
| 312 |
|
|
IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
| 313 |
|
|
C Forward mode send getting from points outside of the |
| 314 |
|
|
C tiles exclusive domain bounds in X. This should not happen |
| 315 |
|
|
WRITE(msgBuf,'(A,I4,I4)') |
| 316 |
|
|
& 'EXCH2_AD_PUT_RX2 tIlo2,tIhi2=', tIlo2, tIhi2 |
| 317 |
|
|
CALL PRINT_ERROR (msgBuf, myThid ) |
| 318 |
|
|
WRITE(msgBuf,'(A,3I4)') |
| 319 |
|
|
& 'EXCH2_AD_PUT_RX2 itl, jtl, isl =', itl, jtl, isl |
| 320 |
|
|
CALL PRINT_ERROR (msgBuf, myThid ) |
| 321 |
|
|
STOP 'EXCH2_AD_PUT_RX2:: ISL OUTSIDE TILE EXCLUSIVE DOMAIN' |
| 322 |
|
|
ENDIF |
| 323 |
|
|
IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
| 324 |
|
|
C Forward mode send getting from points outside of the |
| 325 |
|
|
C tiles exclusive domain bounds in Y. This should not happen |
| 326 |
|
|
WRITE(msgBuf,'(A,I4,I4)') |
| 327 |
|
|
& 'EXCH2_AD_PUT_RX2 tJlo2,tJhi2=', tJlo2, tJhi2 |
| 328 |
|
|
CALL PRINT_ERROR (msgBuf, myThid ) |
| 329 |
|
|
WRITE(msgBuf,'(A,2I4)') |
| 330 |
|
|
& 'EXCH2_AD_PUT_RX2 itl, jtl =', itl, jtl |
| 331 |
|
|
CALL PRINT_ERROR (msgBuf, myThid ) |
| 332 |
|
|
WRITE(msgBuf,'(A,2I4)') |
| 333 |
|
|
& 'EXCH2_AD_PUT_RX2 isl, jsl =', isl, jsl |
| 334 |
|
|
CALL PRINT_ERROR (msgBuf, myThid ) |
| 335 |
|
|
STOP 'EXCH2_AD_PUT_RX2:: JSL OUTSIDE TILE EXCLUSIVE DOMAIN' |
| 336 |
|
|
ENDIF |
| 337 |
|
|
#endif /* W2_USE_E2_SAFEMODE */ |
| 338 |
|
|
val2 = e2Bufr2_RX(iBufr2) |
| 339 |
|
|
array1(isl,jsl,ktl) = array1(isl,jsl,ktl) + sa1*val2 |
| 340 |
|
|
array2(isl,jsl,ktl) = array2(isl,jsl,ktl) + sa2*val2 |
| 341 |
|
|
ENDDO |
| 342 |
|
|
ENDDO |
| 343 |
|
|
ENDDO |
| 344 |
|
|
|
| 345 |
|
|
RETURN |
| 346 |
|
|
END |
| 347 |
|
|
|
| 348 |
|
|
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 349 |
|
|
|
| 350 |
|
|
CEH3 ;;; Local Variables: *** |
| 351 |
|
|
CEH3 ;;; mode:fortran *** |
| 352 |
|
|
CEH3 ;;; End: *** |
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