1 |
#include "CPP_OPTIONS.h" |
2 |
|
3 |
SUBROUTINE EXCH2_SEND_RX2 ( |
4 |
I tIlo, tIhi, tiStride, |
5 |
I tJlo, tJhi, tjStride, |
6 |
I tKlo, tKhi, tkStride, |
7 |
I thisTile, nN, |
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I e2Bufr1_RX, e2BufrRecSize, |
9 |
I e2Bufr2_RX, |
10 |
I array1, |
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I i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi, |
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I array2, |
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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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C |
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#include "W2_OPTIONS.h" |
25 |
#include "W2_EXCH2_TOPOLOGY.h" |
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#define W2_USE_E2_SAFEMODE |
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|
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#include "EEPARAMS.h" |
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CHARACTER*(MAX_LEN_MBUF) messageBuffer |
30 |
C |
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C === Routine arguments === |
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INTEGER tILo, tIHi, tiStride |
33 |
INTEGER tJLo, tJHi, tjStride |
34 |
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 |
37 |
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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_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, 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 |
61 |
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, oi_c, oi_f, oj_c, oj_f |
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_RX sa1, sa2, val1, val2 |
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INTEGER iBufr1, iBufr2 |
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INTEGER itlreduce |
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INTEGER jtlreduce |
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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 theTag1, theTag2, theType, theHandle1, theHandle2 |
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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. 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_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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|
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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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oi_c=exch2_oi(nN,thisTile) |
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oi_f=exch2_oi_f(nN,thisTile) |
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oi=oi_c |
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oj_c=exch2_oj(nN,thisTile) |
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oj_f=exch2_oj_f(nN,thisTile) |
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oj=oj_c |
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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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itlreduce=0 |
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jtlreduce=0 |
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IF ( pi(1) .EQ. -1 ) THEN |
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oi=oi_f |
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itlreduce=1 |
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ENDIF |
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IF ( pj(1) .EQ. -1 ) THEN |
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oj=oj_f |
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itlreduce=1 |
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ENDIF |
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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=tJLo+jtlreduce, tJHi, tjStride |
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DO itl=tILo+itlreduce, tIHi, tiStride |
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C DO jtl=1,32,31 |
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C DO itl=1,32,31 |
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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+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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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)') '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)') ' 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)') ' source -u(isl, jsl) = ', isl, jsl |
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ELSEIF ( pj(1) .EQ. 1 ) THEN |
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WRITE(messageBuffer,'(A,2I4)') ' source +v(isl, jsl) = ', isl, jsl |
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ELSEIF ( pj(1) .EQ. -1 ) THEN |
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WRITE(messageBuffer,'(A,2I4)') ' 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)') ' *** 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 |
172 |
WRITE(messageBuffer,'(A,2I4)') ' *** jsl is out of bounds ' |
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CALL PRINT_MESSAGE(messageBuffer, |
174 |
I standardMessageUnit,SQUEEZE_RIGHT, |
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I myThid) |
176 |
ENDIF |
177 |
#endif /* W2_E2_DEBUG_ON */ |
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#ifdef W2_USE_E2_SAFEMODE |
179 |
IF ( iBufr1 .GT. e2BufrRecSize ) THEN |
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C Ran off end of buffer. This should not happen |
181 |
STOP 'EXCH2_SEND_RX2:: E2BUFR LIMIT EXCEEDED' |
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ENDIF |
183 |
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 |
186 |
WRITE(messageBuffer,'(A,I4,I4)') |
187 |
& 'EXCH2_SEND_RX2 tIlo, tIhi =', tIlo, tIhi |
188 |
CALL PRINT_MESSAGE(messageBuffer, |
189 |
I standardMessageUnit,SQUEEZE_BOTH, |
190 |
I myThid) |
191 |
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' |
197 |
ENDIF |
198 |
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 |
201 |
WRITE(messageBuffer,'(A,I4,I4)') |
202 |
& 'EXCH2_SEND_RX2 tJlo, tJhi =', tJlo, tJhi |
203 |
CALL PRINT_MESSAGE(messageBuffer, |
204 |
I standardMessageUnit,SQUEEZE_BOTH, |
205 |
I myThid) |
206 |
WRITE(messageBuffer,'(A,2I4)') |
207 |
& 'EXCH2_SEND_RX2 itl, jtl =', itl, jtl |
208 |
CALL PRINT_MESSAGE(messageBuffer, |
209 |
I standardMessageUnit,SQUEEZE_BOTH, |
210 |
I myThid) |
211 |
WRITE(messageBuffer,'(A,2I4)') |
212 |
& 'EXCH2_SEND_RX2 isl, jsl =', isl, jsl |
213 |
CALL PRINT_MESSAGE(messageBuffer, |
214 |
I standardMessageUnit,SQUEEZE_BOTH, |
215 |
I myThid) |
216 |
|
217 |
STOP 'EXCH2_SEND_RX2:: JSL OUTSIDE TILE EXCLUSIVE DOMAIN' |
218 |
ENDIF |
219 |
#endif /* W2_USE_E2_SAFEMODE */ |
220 |
ENDDO |
221 |
ENDDO |
222 |
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 |
226 |
C if pi(2) is -1 then +j in target <=> -i in source so bufr1 should get -array1 |
227 |
C if pj(2) is 1 then +j in target <=> +j in source so bufr1 should get +array2 |
228 |
C if pj(2) is -1 then +j in target <=> -j in source so bufr1 should get -array2 |
229 |
sa1 = pi(2) |
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sa2 = pj(2) |
231 |
IF ( .NOT. withSigns ) THEN |
232 |
sa1 = ABS(sa1) |
233 |
sa2 = ABS(sa2) |
234 |
ENDIF |
235 |
oi_c=exch2_oi(nN,thisTile) |
236 |
oi_f=exch2_oi_f(nN,thisTile) |
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oi=oi_c |
238 |
oj_c=exch2_oj(nN,thisTile) |
239 |
oj_f=exch2_oj_f(nN,thisTile) |
240 |
oj=oj_c |
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C if pi(2) is 1 then +i in source aligns with +j in target |
242 |
C if pj(2) is 1 then +j in source aligns with +j in target |
243 |
itlreduce=0 |
244 |
jtlreduce=0 |
245 |
IF ( pi(2) .EQ. -1 ) THEN |
246 |
jtlreduce=1 |
247 |
oi=oi_f |
248 |
ENDIF |
249 |
IF ( pj(2) .EQ. -1 ) THEN |
250 |
jtlreduce=1 |
251 |
oj=oj_f |
252 |
ENDIF |
253 |
iBufr2=0 |
254 |
#ifdef W2_E2_DEBUG_ON |
255 |
WRITE(messageBuffer,'(A,I4,A,I4)') 'EXCH2_SEND_RX2 sourceTile= ', |
256 |
& thisTile, |
257 |
& ' targetTile= ',tt |
258 |
CALL PRINT_MESSAGE(messageBuffer, |
259 |
I standardMessageUnit,SQUEEZE_BOTH, |
260 |
I myThid) |
261 |
#endif /* W2_E2_DEBUG_ON */ |
262 |
DO ktl=tKlo,tKhi,tKStride |
263 |
DO jtl=tJLo+jtlreduce, tJHi, tjStride |
264 |
DO itl=tILo+itlreduce, tIHi, tiStride |
265 |
C DO jtl=1,32,31 |
266 |
C DO itl=1,32,31 |
267 |
iBufr2=iBufr2+1 |
268 |
itc=itl+itb |
269 |
jtc=jtl+jtb |
270 |
isc=pi(1)*itc+pi(2)*jtc+oi |
271 |
jsc=pj(1)*itc+pj(2)*jtc+oj |
272 |
isl=isc-isb |
273 |
jsl=jsc-jsb |
274 |
val2=sa1*array1(isl,jsl,ktl) |
275 |
& +sa2*array2(isl,jsl,ktl) |
276 |
e2Bufr2_RX(iBufr2)=val2 |
277 |
#ifdef W2_E2_DEBUG_ON |
278 |
WRITE(messageBuffer,'(A,2I4)') 'EXCH2_SEND_RX2 target v(itl, jtl) = ', itl, jtl |
279 |
CALL PRINT_MESSAGE(messageBuffer, |
280 |
I standardMessageUnit,SQUEEZE_RIGHT, |
281 |
I myThid) |
282 |
IF ( pi(2) .EQ. 1 ) THEN |
283 |
C i index aligns |
284 |
WRITE(messageBuffer,'(A,2I4)') ' source +u(isl, jsl) = ', isl, jsl |
285 |
ELSEIF ( pi(2) .EQ. -1 ) THEN |
286 |
C reversed i index aligns |
287 |
WRITE(messageBuffer,'(A,2I4)') ' source -u(isl, jsl) = ', isl, jsl |
288 |
ELSEIF ( pj(2) .EQ. 1 ) THEN |
289 |
WRITE(messageBuffer,'(A,2I4)') ' source +v(isl, jsl) = ', isl, jsl |
290 |
ELSEIF ( pj(2) .EQ. -1 ) THEN |
291 |
WRITE(messageBuffer,'(A,2I4)') ' source -v(isl, jsl) = ', isl, jsl |
292 |
ENDIF |
293 |
CALL PRINT_MESSAGE(messageBuffer, |
294 |
I standardMessageUnit,SQUEEZE_RIGHT, |
295 |
I myThid) |
296 |
IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
297 |
WRITE(messageBuffer,'(A,2I4)') ' *** isl is out of bounds ' |
298 |
CALL PRINT_MESSAGE(messageBuffer, |
299 |
I standardMessageUnit,SQUEEZE_RIGHT, |
300 |
I myThid) |
301 |
ENDIF |
302 |
IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
303 |
WRITE(messageBuffer,'(A,2I4)') ' *** jsl is out of bounds ' |
304 |
CALL PRINT_MESSAGE(messageBuffer, |
305 |
I standardMessageUnit,SQUEEZE_RIGHT, |
306 |
I myThid) |
307 |
ENDIF |
308 |
|
309 |
#endif /* W2_E2_DEBUG_ON */ |
310 |
#ifdef W2_USE_E2_SAFEMODE |
311 |
IF ( iBufr2 .GT. e2BufrRecSize ) THEN |
312 |
C Ran off end of buffer. This should not happen |
313 |
STOP 'EXCH2_SEND_RX2:: E2BUFR LIMIT EXCEEDED' |
314 |
ENDIF |
315 |
IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
316 |
C Forward mode send getting from points outside of the |
317 |
C tiles exclusive domain bounds in X. This should not happen |
318 |
WRITE(messageBuffer,'(A,I4,I4)') |
319 |
& 'EXCH2_SEND_RX2 tIlo, tIhi =', tIlo, tIhi |
320 |
CALL PRINT_MESSAGE(messageBuffer, |
321 |
I standardMessageUnit,SQUEEZE_BOTH, |
322 |
I myThid) |
323 |
WRITE(messageBuffer,'(A,3I4)') |
324 |
& 'EXCH2_SEND_RX2 itl, jtl, isl =', itl, jtl, isl |
325 |
CALL PRINT_MESSAGE(messageBuffer, |
326 |
I standardMessageUnit,SQUEEZE_BOTH, |
327 |
I myThid) |
328 |
STOP 'EXCH2_SEND_RX2:: ISL OUTSIDE TILE EXCLUSIVE DOMAIN' |
329 |
ENDIF |
330 |
IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
331 |
C Forward mode send getting from points outside of the |
332 |
C tiles exclusive domain bounds in Y. This should not happen |
333 |
WRITE(messageBuffer,'(A,I4,I4)') |
334 |
& 'EXCH2_SEND_RX2 tJlo, tJhi =', tJlo, tJhi |
335 |
CALL PRINT_MESSAGE(messageBuffer, |
336 |
I standardMessageUnit,SQUEEZE_BOTH, |
337 |
I myThid) |
338 |
WRITE(messageBuffer,'(A,2I4)') |
339 |
& 'EXCH2_SEND_RX2 itl, jtl =', itl, jtl |
340 |
CALL PRINT_MESSAGE(messageBuffer, |
341 |
I standardMessageUnit,SQUEEZE_BOTH, |
342 |
I myThid) |
343 |
WRITE(messageBuffer,'(A,2I4)') |
344 |
& 'EXCH2_SEND_RX2 isl, jsl =', isl, jsl |
345 |
CALL PRINT_MESSAGE(messageBuffer, |
346 |
I standardMessageUnit,SQUEEZE_BOTH, |
347 |
I myThid) |
348 |
|
349 |
STOP 'EXCH2_SEND_RX2:: JSL OUTSIDE TILE EXCLUSIVE DOMAIN' |
350 |
ENDIF |
351 |
#endif /* W2_USE_E2_SAFEMODE */ |
352 |
ENDDO |
353 |
ENDDO |
354 |
ENDDO |
355 |
|
356 |
C Do data transport depending on communication mechanism between source and target tile |
357 |
IF ( commSetting .EQ. 'P' ) THEN |
358 |
C Need to set data ready assertion (increment buffer |
359 |
C synchronisation token) for multithreaded mode, for now do |
360 |
C nothing i.e. assume only one thread per process. |
361 |
ELSEIF ( commSetting .EQ. 'M' ) THEN |
362 |
#ifdef ALLOW_USE_MPI |
363 |
C Setup MPI stuff here |
364 |
theTag1 = (thisTile-1)*MAX_NEIGHBOURS*2 + nN-1 |
365 |
& + 10000*( |
366 |
& (tt-1)*MAX_NEIGHBOURS*2 + nN-1 |
367 |
& ) |
368 |
theTag2 = (thisTile-1)*MAX_NEIGHBOURS*2 + MAX_NEIGHBOURS + nN-1 |
369 |
& + 10000*( |
370 |
& (tt-1)*MAX_NEIGHBOURS*2 + MAX_NEIGHBOURS + nN-1 |
371 |
& ) |
372 |
tProc = exch2_tProc(tt)-1 |
373 |
sProc = exch2_tProc(thisTile)-1 |
374 |
theType = MPI_REAL8 |
375 |
#ifdef W2_E2_DEBUG_ON |
376 |
WRITE(messageBuffer,'(A,I4,A,I4,A)') ' SEND FROM TILE=', thisTile, |
377 |
& ' (proc = ',sProc,')' |
378 |
CALL PRINT_MESSAGE(messageBuffer, |
379 |
I standardMessageUnit,SQUEEZE_RIGHT, |
380 |
I myThid) |
381 |
WRITE(messageBuffer,'(A,I4,A,I4,A)') ' TO TILE=', tt, |
382 |
& ' (proc = ',tProc,')' |
383 |
CALL PRINT_MESSAGE(messageBuffer, |
384 |
I standardMessageUnit,SQUEEZE_RIGHT, |
385 |
I myThid) |
386 |
WRITE(messageBuffer,'(A,I10)') ' TAG1=', theTag1 |
387 |
CALL PRINT_MESSAGE(messageBuffer, |
388 |
I standardMessageUnit,SQUEEZE_RIGHT, |
389 |
I myThid) |
390 |
WRITE(messageBuffer,'(A,I4)') ' NEL1=', iBufr1 |
391 |
CALL PRINT_MESSAGE(messageBuffer, |
392 |
I standardMessageUnit,SQUEEZE_RIGHT, |
393 |
I myThid) |
394 |
WRITE(messageBuffer,'(A,I10)') ' TAG2=', theTag2 |
395 |
CALL PRINT_MESSAGE(messageBuffer, |
396 |
I standardMessageUnit,SQUEEZE_RIGHT, |
397 |
I myThid) |
398 |
WRITE(messageBuffer,'(A,I4)') ' NEL2=', iBufr2 |
399 |
CALL PRINT_MESSAGE(messageBuffer, |
400 |
I standardMessageUnit,SQUEEZE_RIGHT, |
401 |
I myThid) |
402 |
#endif /* W2_E2_DEBUG_ON */ |
403 |
CALL MPI_Isend( e2Bufr1_RX, iBufr1, theType, |
404 |
I tProc, theTag1, MPI_COMM_MODEL, |
405 |
O theHandle1, mpiRc ) |
406 |
CALL MPI_Isend( e2Bufr2_RX, iBufr2, theType, |
407 |
I tProc, theTag2, MPI_COMM_MODEL, |
408 |
O theHandle2, mpiRc ) |
409 |
C Store MPI_Wait token in messageHandle. |
410 |
e2_msgHandle1(1) = theHandle1 |
411 |
e2_msgHandle2(1) = theHandle2 |
412 |
#endif |
413 |
ELSE |
414 |
STOP 'EXCH2_SEND_RX2:: commSetting VALUE IS INVALID' |
415 |
ENDIF |
416 |
|
417 |
RETURN |
418 |
END |