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jmc |
1.14 |
C $Header: /u/gcmpack/MITgcm/eesupp/src/exch_rx_recv_get_y.template,v 1.13 2009/01/09 22:51:12 jmc Exp $ |
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cnh |
1.2 |
C $Name: $ |
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adcroft |
1.1 |
#include "CPP_EEOPTIONS.h" |
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jmc |
1.14 |
#undef EXCH_USE_SPINNING |
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adcroft |
1.1 |
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cnh |
1.2 |
CBOP |
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C !ROUTINE: EXCH_RX_RECV_GET_Y |
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C !INTERFACE: |
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adcroft |
1.1 |
SUBROUTINE EXCH_RX_RECV_GET_Y( array, |
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I myOLw, myOLe, myOLs, myOLn, myNz, |
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I exchWidthX, exchWidthY, |
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I theSimulationMode, theCornerMode, myThid ) |
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IMPLICIT NONE |
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cnh |
1.2 |
C !DESCRIPTION: |
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C *==========================================================* |
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jmc |
1.14 |
C | SUBROUTINE RECV_GET_Y |
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C | o "Send" or "put" Y edges for RX array. |
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cnh |
1.2 |
C *==========================================================* |
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jmc |
1.14 |
C | Routine that invokes actual message passing send or |
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C | direct "put" of data to update X faces of an XY[R] array. |
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cnh |
1.2 |
C *==========================================================* |
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C !USES: |
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adcroft |
1.1 |
C == Global variables == |
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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 "EXCH.h" |
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cnh |
1.2 |
C !INPUT/OUTPUT PARAMETERS: |
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adcroft |
1.1 |
C == Routine arguments == |
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cnh |
1.2 |
C array :: Array with edges to exchange. |
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C myOLw :: West, East, North and South overlap region sizes. |
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adcroft |
1.1 |
C myOLe |
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C myOLn |
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C myOLs |
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cnh |
1.2 |
C exchWidthX :: Width of data region exchanged. |
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adcroft |
1.1 |
C exchWidthY |
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cnh |
1.2 |
C theSimulationMode :: Forward or reverse mode exchange ( provides |
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C support for adjoint integration of code. ) |
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C theCornerMode :: Flag indicating whether corner updates are |
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C needed. |
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C myThid :: Thread number of this instance of S/R EXCH... |
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C eBl :: Edge buffer level |
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adcroft |
1.1 |
INTEGER myOLw |
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INTEGER myOLe |
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INTEGER myOLs |
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INTEGER myOLn |
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INTEGER myNz |
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_RX array(1-myOLw:sNx+myOLe, |
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& 1-myOLs:sNy+myOLn, |
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& myNZ, nSx, nSy) |
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INTEGER exchWidthX |
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INTEGER exchWidthY |
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INTEGER theSimulationMode |
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INTEGER theCornerMode |
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INTEGER myThid |
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cnh |
1.2 |
C !LOCAL VARIABLES: |
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adcroft |
1.1 |
C == Local variables == |
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jmc |
1.14 |
C i, j, k, iMin, iMax, iB :: Loop counters and extents |
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adcroft |
1.1 |
C bi, bj |
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cnh |
1.2 |
C biS, bjS :: South tile indices |
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C biN, bjN :: North tile indices |
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C eBl :: Current exchange buffer level |
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C theProc, theTag, theType, :: Variables used in message building |
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adcroft |
1.1 |
C theSize |
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cnh |
1.2 |
C southCommMode :: Working variables holding type |
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C northCommMode of communication a particular |
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C tile face uses. |
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C spinCount :: Exchange statistics counter |
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C mpiStatus :: MPI error code |
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jmc |
1.14 |
INTEGER i, j, k, iMin, iMax, jMin, jMax, iB, iB0 |
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adcroft |
1.1 |
INTEGER bi, bj, biS, bjS, biN, bjN |
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INTEGER eBl |
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INTEGER southCommMode |
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INTEGER northCommMode |
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jmc |
1.14 |
#ifdef EXCH_USE_SPINNING |
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adcroft |
1.1 |
INTEGER spinCount |
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jmc |
1.14 |
#endif |
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adcroft |
1.1 |
#ifdef ALLOW_USE_MPI |
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utke |
1.11 |
INTEGER theProc, theTag, theType, theSize, pReqI |
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adcroft |
1.1 |
INTEGER mpiStatus(MPI_STATUS_SIZE,4), mpiRc |
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#endif |
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cnh |
1.2 |
CEOP |
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adcroft |
1.1 |
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jmc |
1.14 |
C-- Under a "put" scenario we |
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adcroft |
1.1 |
C-- i. set completetion signal for buffer we put into. |
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jmc |
1.14 |
C-- ii. wait for completetion signal indicating data has been put in |
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adcroft |
1.1 |
C-- our buffer. |
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C-- Under a messaging mode we "receive" the message. |
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C-- Under a "get" scenario we |
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C-- i. Check that the data is ready. |
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C-- ii. Read the data. |
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C-- iii. Set data read flag + memory sync. |
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#ifdef ALLOW_USE_MPI |
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#ifndef ALWAYS_USE_MPI |
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jmc |
1.14 |
IF ( usingMPI ) THEN |
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adcroft |
1.1 |
#endif |
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jmc |
1.14 |
C-- Receive buffer data: Only Master Thread do proc communication |
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_BEGIN_MASTER(myThid) |
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DO bj=1,nSy |
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DO bi=1,nSx |
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eBl = exchangeBufLevel(1,bi,bj) |
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southCommMode = _tileCommModeS(bi,bj) |
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northCommMode = _tileCommModeN(bi,bj) |
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biN = _tileBiN(bi,bj) |
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bjN = _tileBjN(bi,bj) |
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biS = _tileBiS(bi,bj) |
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bjS = _tileBjS(bi,bj) |
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theType = _MPI_TYPE_RX |
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theSize = sNx*exchWidthY*myNz |
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IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) THEN |
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theSize = (sNx+2*exchWidthX)*exchWidthY*myNz |
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ENDIF |
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IF ( southCommMode .EQ. COMM_MSG ) THEN |
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adcroft |
1.1 |
theProc = tilePidS(bi,bj) |
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theTag = _tileTagRecvS(bi,bj) |
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utke |
1.12 |
# ifndef ALLOW_AUTODIFF_OPENAD_AMPI |
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jmc |
1.14 |
CALL MPI_Recv( southRecvBuf_RX(1,eBl,bi,bj), theSize, |
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& theType, theProc, theTag, MPI_COMM_MODEL, |
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adcroft |
1.1 |
& mpiStatus, mpiRc ) |
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jmc |
1.14 |
# else |
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utke |
1.11 |
pReqI=exchNReqsY(1,bi,bj)+1 |
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jmc |
1.14 |
CALL ampi_recv_RX( |
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& southRecvBuf_RX(1,eBl,bi,bj) , |
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& theSize , |
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& theType , |
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& theProc , |
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& theTag , |
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& MPI_COMM_MODEL , |
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& exchReqIdY(pReqI,1,bi,bj), |
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& exchNReqsY(1,bi,bj), |
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& mpiStatus , |
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& mpiRc ) |
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utke |
1.12 |
# endif /* ALLOW_AUTODIFF_OPENAD_AMPI */ |
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jmc |
1.14 |
southRecvAck(eBl,bi,bj) = 1 |
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adcroft |
1.1 |
ENDIF |
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jmc |
1.14 |
|
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adcroft |
1.1 |
IF ( northCommMode .EQ. COMM_MSG ) THEN |
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theProc = tilePidN(bi,bj) |
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theTag = _tileTagRecvN(bi,bj) |
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utke |
1.12 |
# ifndef ALLOW_AUTODIFF_OPENAD_AMPI |
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jmc |
1.14 |
CALL MPI_Recv( northRecvBuf_RX(1,eBl,bi,bj), theSize, |
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& theType, theProc, theTag, MPI_COMM_MODEL, |
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adcroft |
1.1 |
& mpiStatus, mpiRc ) |
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utke |
1.9 |
# else |
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jmc |
1.13 |
pReqI=exchNReqsY(1,bi,bj)+1 |
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jmc |
1.14 |
CALL ampi_recv_RX( |
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& northRecvBuf_RX(1,eBl,bi,bj) , |
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& theSize , |
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& theType , |
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& theProc , |
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& theTag , |
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& MPI_COMM_MODEL , |
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& exchReqIdY(pReqI,1,bi,bj), |
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& exchNReqsY(1,bi,bj), |
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& mpiStatus , |
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& mpiRc ) |
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# endif /* ALLOW_AUTODIFF_OPENAD_AMPI */ |
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northRecvAck(eBl,bi,bj) = 1 |
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ENDIF |
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ENDDO |
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ENDDO |
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C-- Processes wait for buffers I am going to read to be ready. |
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IF ( .NOT.exchUsesBarrier ) THEN |
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DO bj=1,nSy |
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DO bi=1,nSx |
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IF ( exchNReqsY(1,bi,bj) .GT. 0 ) THEN |
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# ifndef ALLOW_AUTODIFF_OPENAD_AMPI |
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CALL MPI_Waitall( exchNReqsY(1,bi,bj), exchReqIdY(1,1,bi,bj), |
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& mpiStatus, mpiRC ) |
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# else |
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CALL ampi_waitall( |
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& exchNReqsY(1,bi,bj), |
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& exchReqIdY(1,1,bi,bj), |
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& mpiStatus, |
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& mpiRC ) |
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utke |
1.12 |
# endif /* ALLOW_AUTODIFF_OPENAD_AMPI */ |
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jmc |
1.14 |
ENDIF |
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C Clear outstanding requests counter |
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exchNReqsY(1,bi,bj) = 0 |
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ENDDO |
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ENDDO |
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ENDIF |
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_END_MASTER(myThid) |
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C-- need to sync threads after master has received data ; |
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C (done after mpi waitall in case waitall is really needed) |
| 196 |
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_BARRIER |
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adcroft |
1.1 |
#ifndef ALWAYS_USE_MPI |
| 199 |
jmc |
1.14 |
ENDIF |
| 200 |
adcroft |
1.1 |
#endif |
| 201 |
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#endif /* ALLOW_USE_MPI */ |
| 202 |
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jmc |
1.14 |
C-- Threads wait for buffers I am going to read to be ready. |
| 204 |
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C note: added BARRIER in exch_send_put S/R and here above (message mode) |
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C so that we no longer needs this (undef EXCH_USE_SPINNING) |
| 206 |
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#ifdef EXCH_USE_SPINNING |
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adcroft |
1.1 |
IF ( exchUsesBarrier ) THEN |
| 208 |
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C o On some machines ( T90 ) use system barrier rather than spinning. |
| 209 |
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CALL BARRIER( myThid ) |
| 210 |
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ELSE |
| 211 |
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C o Spin waiting for completetion flag. This avoids a global-lock |
| 212 |
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C i.e. we only lock waiting for data that we need. |
| 213 |
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DO bj=myByLo(myThid),myByHi(myThid) |
| 214 |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
| 215 |
jmc |
1.14 |
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| 216 |
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spinCount = 0 |
| 217 |
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eBl = exchangeBufLevel(1,bi,bj) |
| 218 |
adcroft |
1.1 |
southCommMode = _tileCommModeS(bi,bj) |
| 219 |
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northCommMode = _tileCommModeN(bi,bj) |
| 220 |
utke |
1.12 |
# ifndef ALLOW_AUTODIFF_OPENAD_AMPI |
| 221 |
adcroft |
1.1 |
10 CONTINUE |
| 222 |
jmc |
1.4 |
CALL FOOL_THE_COMPILER( spinCount ) |
| 223 |
adcroft |
1.1 |
spinCount = spinCount+1 |
| 224 |
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C IF ( myThid .EQ. 1 .AND. spinCount .GT. _EXCH_SPIN_LIMIT ) THEN |
| 225 |
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C STOP ' S/R EXCH_RECV_GET_Y: spinCount .GT. _EXCH_SPIN_LIMIT' |
| 226 |
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C ENDIF |
| 227 |
jmc |
1.8 |
IF ( southRecvAck(eBl,bi,bj) .EQ. 0 ) GOTO 10 |
| 228 |
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IF ( northRecvAck(eBl,bi,bj) .EQ. 0 ) GOTO 10 |
| 229 |
utke |
1.9 |
# else |
| 230 |
jmc |
1.14 |
DO WHILE ((southRecvAck(eBl,bi,bj) .EQ. 0 |
| 231 |
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& .OR. |
| 232 |
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& northRecvAck(eBl,bi,bj) .EQ. 0 )) |
| 233 |
utke |
1.9 |
CALL FOOL_THE_COMPILER( spinCount ) |
| 234 |
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spinCount = spinCount+1 |
| 235 |
jmc |
1.14 |
ENDDO |
| 236 |
utke |
1.12 |
# endif /* ALLOW_AUTODIFF_OPENAD_AMPI */ |
| 237 |
adcroft |
1.1 |
C Clear requests |
| 238 |
jmc |
1.8 |
southRecvAck(eBl,bi,bj) = 0 |
| 239 |
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northRecvAck(eBl,bi,bj) = 0 |
| 240 |
adcroft |
1.1 |
C Update statistics |
| 241 |
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IF ( exchCollectStatistics ) THEN |
| 242 |
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exchRecvYExchCount(1,bi,bj) = exchRecvYExchCount(1,bi,bj)+1 |
| 243 |
jmc |
1.14 |
exchRecvYSpinCount(1,bi,bj) = |
| 244 |
adcroft |
1.1 |
& exchRecvYSpinCount(1,bi,bj)+spinCount |
| 245 |
jmc |
1.14 |
exchRecvYSpinMax(1,bi,bj) = |
| 246 |
adcroft |
1.1 |
& MAX(exchRecvYSpinMax(1,bi,bj),spinCount) |
| 247 |
jmc |
1.14 |
exchRecvYSpinMin(1,bi,bj) = |
| 248 |
adcroft |
1.1 |
& MIN(exchRecvYSpinMin(1,bi,bj),spinCount) |
| 249 |
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ENDIF |
| 250 |
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| 251 |
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ENDDO |
| 252 |
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ENDDO |
| 253 |
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ENDIF |
| 254 |
jmc |
1.14 |
#endif /* EXCH_USE_SPINNING */ |
| 255 |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 257 |
adcroft |
1.1 |
|
| 258 |
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C-- Read from the buffers |
| 259 |
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DO bj=myByLo(myThid),myByHi(myThid) |
| 260 |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
| 261 |
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| 262 |
jmc |
1.14 |
eBl = exchangeBufLevel(1,bi,bj) |
| 263 |
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biN = _tileBiN(bi,bj) |
| 264 |
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bjN = _tileBjN(bi,bj) |
| 265 |
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biS = _tileBiS(bi,bj) |
| 266 |
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bjS = _tileBjS(bi,bj) |
| 267 |
adcroft |
1.1 |
southCommMode = _tileCommModeS(bi,bj) |
| 268 |
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northCommMode = _tileCommModeN(bi,bj) |
| 269 |
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IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) THEN |
| 270 |
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iMin = 1-exchWidthX |
| 271 |
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iMax = sNx+exchWidthX |
| 272 |
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ELSE |
| 273 |
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iMin = 1 |
| 274 |
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iMax = sNx |
| 275 |
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ENDIF |
| 276 |
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IF ( _theSimulationMode .EQ. FORWARD_SIMULATION ) THEN |
| 277 |
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jMin = sNy+1 |
| 278 |
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jMax = sNy+exchWidthY |
| 279 |
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iB0 = 0 |
| 280 |
jmc |
1.14 |
IF ( northCommMode .EQ. COMM_PUT |
| 281 |
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& .OR. northCommMode .EQ. COMM_MSG ) THEN |
| 282 |
adcroft |
1.1 |
iB = 0 |
| 283 |
jmc |
1.14 |
DO k=1,myNz |
| 284 |
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DO j=jMin,jMax |
| 285 |
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DO i=iMin,iMax |
| 286 |
adcroft |
1.1 |
iB = iB + 1 |
| 287 |
jmc |
1.14 |
array(i,j,k,bi,bj) = northRecvBuf_RX(iB,eBl,bi,bj) |
| 288 |
adcroft |
1.1 |
ENDDO |
| 289 |
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ENDDO |
| 290 |
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ENDDO |
| 291 |
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ELSEIF ( northCommMode .EQ. COMM_GET ) THEN |
| 292 |
jmc |
1.14 |
DO k=1,myNz |
| 293 |
adcroft |
1.1 |
iB = iB0 |
| 294 |
jmc |
1.14 |
DO j=jMin,jMax |
| 295 |
adcroft |
1.1 |
iB = iB+1 |
| 296 |
jmc |
1.14 |
DO i=iMin,iMax |
| 297 |
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array(i,j,k,bi,bj) = array(i,iB,k,biN,bjN) |
| 298 |
adcroft |
1.1 |
ENDDO |
| 299 |
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ENDDO |
| 300 |
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ENDDO |
| 301 |
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ENDIF |
| 302 |
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ELSEIF ( _theSimulationMode .EQ. REVERSE_SIMULATION ) THEN |
| 303 |
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jMin = sNy-exchWidthY+1 |
| 304 |
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jMax = sNy |
| 305 |
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iB0 = 1-exchWidthY-1 |
| 306 |
jmc |
1.14 |
IF ( northCommMode .EQ. COMM_PUT |
| 307 |
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& .OR. northCommMode .EQ. COMM_MSG ) THEN |
| 308 |
adcroft |
1.1 |
iB = 0 |
| 309 |
jmc |
1.14 |
DO k=1,myNz |
| 310 |
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DO j=jMin,jMax |
| 311 |
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DO i=iMin,iMax |
| 312 |
adcroft |
1.1 |
iB = iB + 1 |
| 313 |
jmc |
1.14 |
array(i,j,k,bi,bj) = |
| 314 |
|
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& array(i,j,k,bi,bj) + northRecvBuf_RX(iB,eBl,bi,bj) |
| 315 |
adcroft |
1.1 |
ENDDO |
| 316 |
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ENDDO |
| 317 |
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ENDDO |
| 318 |
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ELSEIF ( northCommMode .EQ. COMM_GET ) THEN |
| 319 |
jmc |
1.14 |
DO k=1,myNz |
| 320 |
adcroft |
1.1 |
iB = iB0 |
| 321 |
jmc |
1.14 |
DO j=jMin,jMax |
| 322 |
adcroft |
1.1 |
iB = iB+1 |
| 323 |
jmc |
1.14 |
DO i=iMin,iMax |
| 324 |
|
|
array(i,j,k,bi,bj) = |
| 325 |
|
|
& array(i,j,k,bi,bj) + array(i,iB,k,biN,bjN) |
| 326 |
|
|
array(i,iB,k,biN,bjN) = 0.0 |
| 327 |
adcroft |
1.1 |
ENDDO |
| 328 |
|
|
ENDDO |
| 329 |
|
|
ENDDO |
| 330 |
|
|
ENDIF |
| 331 |
|
|
ENDIF |
| 332 |
|
|
|
| 333 |
|
|
IF ( _theSimulationMode .EQ. FORWARD_SIMULATION ) THEN |
| 334 |
|
|
jMin = 1-exchWidthY |
| 335 |
|
|
jMax = 0 |
| 336 |
|
|
iB0 = sNy-exchWidthY |
| 337 |
jmc |
1.14 |
IF ( southCommMode .EQ. COMM_PUT |
| 338 |
|
|
& .OR. southCommMode .EQ. COMM_MSG ) THEN |
| 339 |
adcroft |
1.1 |
iB = 0 |
| 340 |
jmc |
1.14 |
DO k=1,myNz |
| 341 |
|
|
DO j=jMin,jMax |
| 342 |
|
|
DO i=iMin,iMax |
| 343 |
adcroft |
1.1 |
iB = iB + 1 |
| 344 |
jmc |
1.14 |
array(i,j,k,bi,bj) = southRecvBuf_RX(iB,eBl,bi,bj) |
| 345 |
adcroft |
1.1 |
ENDDO |
| 346 |
|
|
ENDDO |
| 347 |
|
|
ENDDO |
| 348 |
|
|
ELSEIF ( southCommMode .EQ. COMM_GET ) THEN |
| 349 |
jmc |
1.14 |
DO k=1,myNz |
| 350 |
adcroft |
1.1 |
iB = iB0 |
| 351 |
jmc |
1.14 |
DO j=jMin,jMax |
| 352 |
adcroft |
1.1 |
iB = iB+1 |
| 353 |
jmc |
1.14 |
DO i=iMin,iMax |
| 354 |
|
|
array(i,j,k,bi,bj) = array(i,iB,k,biS,bjS) |
| 355 |
adcroft |
1.1 |
ENDDO |
| 356 |
|
|
ENDDO |
| 357 |
|
|
ENDDO |
| 358 |
|
|
ENDIF |
| 359 |
|
|
ELSEIF ( _theSimulationMode .EQ. REVERSE_SIMULATION ) THEN |
| 360 |
|
|
jMin = 1 |
| 361 |
|
|
jMax = 1+exchWidthY-1 |
| 362 |
|
|
iB0 = sNy |
| 363 |
jmc |
1.14 |
IF ( southCommMode .EQ. COMM_PUT |
| 364 |
|
|
& .OR. southCommMode .EQ. COMM_MSG ) THEN |
| 365 |
adcroft |
1.1 |
iB = 0 |
| 366 |
jmc |
1.14 |
DO k=1,myNz |
| 367 |
|
|
DO j=jMin,jMax |
| 368 |
|
|
DO i=iMin,iMax |
| 369 |
adcroft |
1.1 |
iB = iB + 1 |
| 370 |
jmc |
1.14 |
array(i,j,k,bi,bj) = |
| 371 |
|
|
& array(i,j,k,bi,bj) + southRecvBuf_RX(iB,eBl,bi,bj) |
| 372 |
adcroft |
1.1 |
ENDDO |
| 373 |
|
|
ENDDO |
| 374 |
|
|
ENDDO |
| 375 |
|
|
ELSEIF ( southCommMode .EQ. COMM_GET ) THEN |
| 376 |
jmc |
1.14 |
DO k=1,myNz |
| 377 |
adcroft |
1.1 |
iB = iB0 |
| 378 |
jmc |
1.14 |
DO j=jMin,jMax |
| 379 |
adcroft |
1.1 |
iB = iB+1 |
| 380 |
jmc |
1.14 |
DO i=iMin,iMax |
| 381 |
|
|
array(i,j,k,bi,bj) = |
| 382 |
|
|
& array(i,j,k,bi,bj) + array(i,iB,k,biS,bjS) |
| 383 |
|
|
array(i,iB,k,biS,bjS) = 0.0 |
| 384 |
adcroft |
1.1 |
ENDDO |
| 385 |
|
|
ENDDO |
| 386 |
|
|
ENDDO |
| 387 |
|
|
ENDIF |
| 388 |
|
|
ENDIF |
| 389 |
jmc |
1.14 |
|
| 390 |
adcroft |
1.1 |
ENDDO |
| 391 |
|
|
ENDDO |
| 392 |
|
|
|
| 393 |
|
|
RETURN |
| 394 |
|
|
END |
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