| 1 |
jmc |
1.4 |
C $Header: /u/gcmpack/MITgcm/pkg/flt/exch_recv_get_vec.F,v 1.3 2009/01/04 00:58:23 jmc Exp $ |
| 2 |
jmc |
1.2 |
C $Name: $ |
| 3 |
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| 4 |
adcroft |
1.1 |
#include "CPP_OPTIONS.h" |
| 5 |
jmc |
1.3 |
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| 6 |
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C-- Contents |
| 7 |
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C-- o EXCH_RL_RECV_GET_VEC_X |
| 8 |
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C-- o EXCH_RL_RECV_GET_VEC_Y |
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| 10 |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 11 |
adcroft |
1.1 |
|
| 12 |
jmc |
1.4 |
SUBROUTINE EXCH_RL_RECV_GET_VEC_X( |
| 13 |
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U arrayE, arrayW, |
| 14 |
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I myd1, myThid ) |
| 15 |
adcroft |
1.1 |
C /==========================================================\ |
| 16 |
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C | SUBROUTINE RECV_RL_GET_X | |
| 17 |
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C | o "Send" or "put" X edges for RL array. | |
| 18 |
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C |==========================================================| |
| 19 |
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C | Routine that invokes actual message passing send or | |
| 20 |
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C | direct "put" of data to update X faces of an XY[R] array.| |
| 21 |
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C \==========================================================/ |
| 22 |
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IMPLICIT NONE |
| 23 |
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| 24 |
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C == Global variables == |
| 25 |
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#include "SIZE.h" |
| 26 |
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#include "EEPARAMS.h" |
| 27 |
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#include "EESUPPORT.h" |
| 28 |
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#include "FLT.h" |
| 29 |
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#include "EXCH.h" |
| 30 |
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| 31 |
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C == Routine arguments == |
| 32 |
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C arrayE - Arrays to exchange be exchanged. |
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jmc |
1.2 |
C arrayW |
| 34 |
adcroft |
1.1 |
C myd1 - sizes. |
| 35 |
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C theSimulationMode - Forward or reverse mode exchange ( provides |
| 36 |
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C support for adjoint integration of code. ) |
| 37 |
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C myThid - Thread number of this instance of S/R EXCH... |
| 38 |
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C eBl - Edge buffer level |
| 39 |
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INTEGER myd1 |
| 40 |
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_RL arrayE(myd1, nSx, nSy), arrayW(myd1, nSx, nSy) |
| 41 |
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INTEGER myThid |
| 42 |
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CEndOfInterface |
| 43 |
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|
| 44 |
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C == Local variables == |
| 45 |
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C I, J - Loop counters and extents |
| 46 |
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C bi, bj |
| 47 |
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C biW, bjW - West tile indices |
| 48 |
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C biE, bjE - East tile indices |
| 49 |
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C theProc, theTag, theType, - Variables used in message building |
| 50 |
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C theSize |
| 51 |
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C westCommMode - Working variables holding type |
| 52 |
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C eastCommMode of communication a particular |
| 53 |
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C tile face uses. |
| 54 |
jmc |
1.4 |
INTEGER bi, bj |
| 55 |
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c INTEGER biW, bjW, biE, bjE |
| 56 |
adcroft |
1.1 |
INTEGER westCommMode |
| 57 |
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INTEGER eastCommMode |
| 58 |
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INTEGER spinCount |
| 59 |
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#ifdef ALLOW_USE_MPI |
| 60 |
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INTEGER theProc, theTag, theType, theSize |
| 61 |
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INTEGER mpiStatus(MPI_STATUS_SIZE,4), mpiRc |
| 62 |
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#endif |
| 63 |
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| 64 |
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jmc |
1.2 |
C-- Under a "put" scenario we |
| 66 |
adcroft |
1.1 |
C-- i. set completetion signal for buffer we put into. |
| 67 |
jmc |
1.2 |
C-- ii. wait for completetion signal indicating data has been put in |
| 68 |
adcroft |
1.1 |
C-- our buffer. |
| 69 |
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C-- Under a messaging mode we "receive" the message. |
| 70 |
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C-- Under a "get" scenario we |
| 71 |
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C-- i. Check that the data is ready. |
| 72 |
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C-- ii. Read the data. |
| 73 |
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C-- iii. Set data read flag + memory sync. |
| 74 |
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| 75 |
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| 76 |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
| 78 |
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westCommMode = _tileCommModeW(bi,bj) |
| 79 |
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eastCommMode = _tileCommModeE(bi,bj) |
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jmc |
1.4 |
c biE = _tileBiE(bi,bj) |
| 81 |
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c bjE = _tileBjE(bi,bj) |
| 82 |
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c biW = _tileBiW(bi,bj) |
| 83 |
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c bjW = _tileBjW(bi,bj) |
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adcroft |
1.1 |
IF ( westCommMode .EQ. COMM_MSG ) THEN |
| 85 |
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#ifdef ALLOW_USE_MPI |
| 86 |
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#ifndef ALWAYS_USE_MPI |
| 87 |
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IF ( usingMPI ) THEN |
| 88 |
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#endif |
| 89 |
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theProc = tilePidW(bi,bj) |
| 90 |
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theTag = _tileTagRecvW(bi,bj) |
| 91 |
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theType = MPI_DOUBLE_PRECISION |
| 92 |
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theSize = myd1 |
| 93 |
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CALL MPI_Recv( arrayW(1,bi,bj), theSize, theType, |
| 94 |
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& theProc, theTag, MPI_COMM_MODEL, |
| 95 |
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& mpiStatus, mpiRc ) |
| 96 |
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c if (theProc .eq. 0 .or. theProc .eq. 2) then |
| 97 |
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c if (arrayW(1,bi,bj) .ne. 0.) then |
| 98 |
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c write(errormessageunit,*) 'qq2y: ',myprocid, |
| 99 |
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c & theProc,theTag,theSize,(arrayW(i,bi,bj),i=1,32) |
| 100 |
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c else |
| 101 |
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c write(errormessageunit,*) 'qq2n: ',myprocid, |
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c & theProc,theTag,theSize,(arrayW(i,bi,bj),i=1,32) |
| 103 |
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c endif |
| 104 |
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c endif |
| 105 |
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#ifndef ALWAYS_USE_MPI |
| 106 |
jmc |
1.2 |
ENDIF |
| 107 |
adcroft |
1.1 |
#endif |
| 108 |
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#endif /* ALLOW_USE_MPI */ |
| 109 |
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ENDIF |
| 110 |
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IF ( eastCommMode .EQ. COMM_MSG ) THEN |
| 111 |
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#ifdef ALLOW_USE_MPI |
| 112 |
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#ifndef ALWAYS_USE_MPI |
| 113 |
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IF ( usingMPI ) THEN |
| 114 |
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#endif |
| 115 |
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theProc = tilePidE(bi,bj) |
| 116 |
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theTag = _tileTagRecvE(bi,bj) |
| 117 |
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theType = MPI_DOUBLE_PRECISION |
| 118 |
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theSize = myd1 |
| 119 |
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CALL MPI_Recv( arrayE(1,bi,bj), theSize, theType, |
| 120 |
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& theProc, theTag, MPI_COMM_MODEL, |
| 121 |
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& mpiStatus, mpiRc ) |
| 122 |
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#ifndef ALWAYS_USE_MPI |
| 123 |
jmc |
1.2 |
ENDIF |
| 124 |
adcroft |
1.1 |
#endif |
| 125 |
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#endif /* ALLOW_USE_MPI */ |
| 126 |
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ENDIF |
| 127 |
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ENDDO |
| 128 |
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ENDDO |
| 129 |
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|
| 130 |
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C-- Wait for buffers I am going read to be ready. |
| 131 |
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IF ( exchUsesBarrier ) THEN |
| 132 |
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C o On some machines ( T90 ) use system barrier rather than spinning. |
| 133 |
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CALL BARRIER( myThid ) |
| 134 |
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ELSE |
| 135 |
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C o Spin waiting for completetion flag. This avoids a global-lock |
| 136 |
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C i.e. we only lock waiting for data that we need. |
| 137 |
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DO bj=myByLo(myThid),myByHi(myThid) |
| 138 |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
| 139 |
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spinCount = 0 |
| 140 |
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westCommMode = _tileCommModeW(bi,bj) |
| 141 |
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eastCommMode = _tileCommModeE(bi,bj) |
| 142 |
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10 CONTINUE |
| 143 |
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CALL FOOL_THE_COMPILER |
| 144 |
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spinCount = spinCount+1 |
| 145 |
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C IF ( myThid .EQ. 1 .AND. spinCount .GT. _EXCH_SPIN_LIMIT ) THEN |
| 146 |
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C WRITE(0,*) ' eBl = ', ebl |
| 147 |
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C STOP ' S/R EXCH_RECV_GET_X: spinCount .GT. _EXCH_SPIN_LIMIT' |
| 148 |
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C ENDIF |
| 149 |
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IF ( westRecvAck(1,bi,bj) .EQ. 0. ) GOTO 10 |
| 150 |
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IF ( eastRecvAck(1,bi,bj) .EQ. 0. ) GOTO 10 |
| 151 |
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C Clear outstanding requests |
| 152 |
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westRecvAck(1,bi,bj) = 0. |
| 153 |
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eastRecvAck(1,bi,bj) = 0. |
| 154 |
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| 155 |
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c IF ( exchVReqsX(1,bi,bj) .GT. 0 ) THEN |
| 156 |
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IF ( exchNReqsX(1,bi,bj) .GT. 0 ) THEN |
| 157 |
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#ifdef ALLOW_USE_MPI |
| 158 |
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#ifndef ALWAYS_USE_MPI |
| 159 |
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IF ( usingMPI ) THEN |
| 160 |
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#endif |
| 161 |
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c CALL MPI_Waitall( exchVReqsX(1,bi,bj), exchReqVIdX(1,1,bi,bj), |
| 162 |
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CALL MPI_Waitall( exchNReqsX(1,bi,bj), exchReqIdX(1,1,bi,bj), |
| 163 |
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& mpiStatus, mpiRC ) |
| 164 |
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#ifndef ALWAYS_USE_MPI |
| 165 |
jmc |
1.2 |
ENDIF |
| 166 |
adcroft |
1.1 |
#endif |
| 167 |
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#endif /* ALLOW_USE_MPI */ |
| 168 |
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ENDIF |
| 169 |
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C Clear outstanding requests counter |
| 170 |
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c exchVReqsX(1,bi,bj) = 0 |
| 171 |
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exchNReqsX(1,bi,bj) = 0 |
| 172 |
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C Update statistics |
| 173 |
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ENDDO |
| 174 |
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ENDDO |
| 175 |
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ENDIF |
| 176 |
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| 177 |
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RETURN |
| 178 |
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END |
| 179 |
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| 180 |
jmc |
1.3 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 181 |
adcroft |
1.1 |
|
| 182 |
jmc |
1.4 |
SUBROUTINE EXCH_RL_RECV_GET_VEC_Y( |
| 183 |
|
|
U arrayN, arrayS, |
| 184 |
|
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I myd1, myThid ) |
| 185 |
adcroft |
1.1 |
C /==========================================================\ |
| 186 |
|
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C | SUBROUTINE RECV_RL_GET_Y | |
| 187 |
|
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C | o "Send" or "put" Y edges for RL array. | |
| 188 |
|
|
C |==========================================================| |
| 189 |
|
|
C | Routine that invokes actual message passing send or | |
| 190 |
|
|
C | direct "put" of data to update Y faces of an XY[R] array.| |
| 191 |
|
|
C \==========================================================/ |
| 192 |
|
|
IMPLICIT NONE |
| 193 |
|
|
|
| 194 |
|
|
C == Global variables == |
| 195 |
|
|
#include "SIZE.h" |
| 196 |
|
|
#include "EEPARAMS.h" |
| 197 |
|
|
#include "EESUPPORT.h" |
| 198 |
|
|
#include "FLT.h" |
| 199 |
|
|
#include "EXCH.h" |
| 200 |
|
|
|
| 201 |
|
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C == Routine arguments == |
| 202 |
|
|
C arrayN - Arrays to exchange be exchanged. |
| 203 |
jmc |
1.2 |
C arrayS |
| 204 |
adcroft |
1.1 |
C myd1 - sizes. |
| 205 |
|
|
C theSimulationMode - Forward or reverse mode exchange ( provides |
| 206 |
|
|
C support for adjoint integration of code. ) |
| 207 |
|
|
C myThid - Thread number of this instance of S/R EXCH... |
| 208 |
|
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INTEGER myd1 |
| 209 |
|
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_RL arrayN(myd1, nSx, nSy), arrayS(myd1, nSx, nSy) |
| 210 |
|
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INTEGER myThid |
| 211 |
|
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CEndOfInterface |
| 212 |
|
|
|
| 213 |
|
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C == Local variables == |
| 214 |
|
|
C I, J - Loop counters and extents |
| 215 |
|
|
C bi, bj |
| 216 |
|
|
C biS, bjS - South tile indices |
| 217 |
|
|
C biE, bjE - North tile indices |
| 218 |
|
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C theProc, theTag, theType, - Variables used in message building |
| 219 |
|
|
C theSize |
| 220 |
|
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C southCommMode - Working variables holding type |
| 221 |
|
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C northCommMode of communication a particular |
| 222 |
|
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C tile face uses. |
| 223 |
jmc |
1.4 |
INTEGER bi, bj |
| 224 |
|
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c INTEGER biS, bjS, biN, bjN |
| 225 |
adcroft |
1.1 |
INTEGER southCommMode |
| 226 |
|
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INTEGER northCommMode |
| 227 |
|
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INTEGER spinCount |
| 228 |
|
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#ifdef ALLOW_USE_MPI |
| 229 |
|
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INTEGER theProc, theTag, theType, theSize |
| 230 |
|
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INTEGER mpiStatus(MPI_STATUS_SIZE,4), mpiRc |
| 231 |
|
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#endif |
| 232 |
|
|
|
| 233 |
|
|
|
| 234 |
jmc |
1.2 |
C-- Under a "put" scenario we |
| 235 |
adcroft |
1.1 |
C-- i. set completetion signal for buffer we put into. |
| 236 |
jmc |
1.2 |
C-- ii. wait for completetion signal indicating data has been put in |
| 237 |
adcroft |
1.1 |
C-- our buffer. |
| 238 |
|
|
C-- Under a messaging mode we "receive" the message. |
| 239 |
|
|
C-- Under a "get" scenario we |
| 240 |
|
|
C-- i. Check that the data is ready. |
| 241 |
|
|
C-- ii. Read the data. |
| 242 |
|
|
C-- iii. Set data read flag + memory sync. |
| 243 |
|
|
|
| 244 |
|
|
|
| 245 |
|
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DO bj=myByLo(myThid),myByHi(myThid) |
| 246 |
|
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DO bi=myBxLo(myThid),myBxHi(myThid) |
| 247 |
|
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southCommMode = _tileCommModeS(bi,bj) |
| 248 |
|
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northCommMode = _tileCommModeN(bi,bj) |
| 249 |
jmc |
1.4 |
c biN = _tileBiN(bi,bj) |
| 250 |
|
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c bjN = _tileBjN(bi,bj) |
| 251 |
|
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c biS = _tileBiS(bi,bj) |
| 252 |
|
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c bjS = _tileBjS(bi,bj) |
| 253 |
adcroft |
1.1 |
IF ( southCommMode .EQ. COMM_MSG ) THEN |
| 254 |
|
|
#ifdef ALLOW_USE_MPI |
| 255 |
|
|
#ifndef ALWAYS_USE_MPI |
| 256 |
|
|
IF ( usingMPI ) THEN |
| 257 |
|
|
#endif |
| 258 |
|
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theProc = tilePidS(bi,bj) |
| 259 |
|
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theTag = _tileTagRecvS(bi,bj) |
| 260 |
|
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theType = MPI_DOUBLE_PRECISION |
| 261 |
|
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theSize = myd1 |
| 262 |
|
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CALL MPI_Recv( arrayS(1,bi,bj), theSize, theType, |
| 263 |
|
|
& theProc, theTag, MPI_COMM_MODEL, |
| 264 |
|
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& mpiStatus, mpiRc ) |
| 265 |
|
|
#ifndef ALWAYS_USE_MPI |
| 266 |
jmc |
1.2 |
ENDIF |
| 267 |
adcroft |
1.1 |
#endif |
| 268 |
|
|
#endif /* ALLOW_USE_MPI */ |
| 269 |
|
|
ENDIF |
| 270 |
|
|
IF ( northCommMode .EQ. COMM_MSG ) THEN |
| 271 |
|
|
#ifdef ALLOW_USE_MPI |
| 272 |
|
|
#ifndef ALWAYS_USE_MPI |
| 273 |
|
|
IF ( usingMPI ) THEN |
| 274 |
|
|
#endif |
| 275 |
|
|
theProc = tilePidN(bi,bj) |
| 276 |
|
|
theTag = _tileTagRecvN(bi,bj) |
| 277 |
|
|
theType = MPI_DOUBLE_PRECISION |
| 278 |
|
|
theSize = myd1 |
| 279 |
|
|
CALL MPI_Recv( arrayN(1,bi,bj), theSize, theType, |
| 280 |
|
|
& theProc, theTag, MPI_COMM_MODEL, |
| 281 |
|
|
& mpiStatus, mpiRc ) |
| 282 |
|
|
#ifndef ALWAYS_USE_MPI |
| 283 |
jmc |
1.2 |
ENDIF |
| 284 |
adcroft |
1.1 |
#endif |
| 285 |
|
|
#endif /* ALLOW_USE_MPI */ |
| 286 |
|
|
ENDIF |
| 287 |
|
|
ENDDO |
| 288 |
|
|
ENDDO |
| 289 |
|
|
|
| 290 |
|
|
C-- Wait for buffers I am going read to be ready. |
| 291 |
|
|
IF ( exchUsesBarrier ) THEN |
| 292 |
|
|
C o On some machines ( T90 ) use system barrier rather than spinning. |
| 293 |
|
|
CALL BARRIER( myThid ) |
| 294 |
|
|
ELSE |
| 295 |
|
|
C o Spin waiting for completetion flag. This avoids a global-lock |
| 296 |
|
|
C i.e. we only lock waiting for data that we need. |
| 297 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 298 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 299 |
|
|
spinCount = 0 |
| 300 |
|
|
southCommMode = _tileCommModeS(bi,bj) |
| 301 |
|
|
northCommMode = _tileCommModeN(bi,bj) |
| 302 |
|
|
10 CONTINUE |
| 303 |
|
|
CALL FOOL_THE_COMPILER |
| 304 |
|
|
spinCount = spinCount+1 |
| 305 |
|
|
C IF ( myThid .EQ. 1 .AND. spinCount .GT. _EXCH_SPIN_LIMIT ) THEN |
| 306 |
|
|
C WRITE(0,*) ' eBl = ', ebl |
| 307 |
|
|
C STOP ' S/R EXCH_RECV_GET_X: spinCount .GT. _EXCH_SPIN_LIMIT' |
| 308 |
|
|
C ENDIF |
| 309 |
|
|
IF ( southRecvAck(1,bi,bj) .EQ. 0. ) GOTO 10 |
| 310 |
|
|
IF ( northRecvAck(1,bi,bj) .EQ. 0. ) GOTO 10 |
| 311 |
|
|
C Clear outstanding requests |
| 312 |
|
|
southRecvAck(1,bi,bj) = 0. |
| 313 |
|
|
northRecvAck(1,bi,bj) = 0. |
| 314 |
|
|
|
| 315 |
|
|
c IF ( exchVReqsY(1,bi,bj) .GT. 0 ) THEN |
| 316 |
|
|
IF ( exchNReqsY(1,bi,bj) .GT. 0 ) THEN |
| 317 |
|
|
#ifdef ALLOW_USE_MPI |
| 318 |
|
|
#ifndef ALWAYS_USE_MPI |
| 319 |
|
|
IF ( usingMPI ) THEN |
| 320 |
|
|
#endif |
| 321 |
|
|
c CALL MPI_Waitall( exchVReqsY(1,bi,bj), exchReqVIdY(1,1,bi,bj), |
| 322 |
|
|
CALL MPI_Waitall( exchNReqsY(1,bi,bj), exchReqIdY(1,1,bi,bj), |
| 323 |
|
|
& mpiStatus, mpiRC ) |
| 324 |
|
|
#ifndef ALWAYS_USE_MPI |
| 325 |
jmc |
1.2 |
ENDIF |
| 326 |
adcroft |
1.1 |
#endif |
| 327 |
|
|
#endif /* ALLOW_USE_MPI */ |
| 328 |
|
|
ENDIF |
| 329 |
|
|
C Clear outstanding requests counter |
| 330 |
|
|
c exchVReqsY(1,bi,bj) = 0 |
| 331 |
|
|
exchNReqsY(1,bi,bj) = 0 |
| 332 |
|
|
C Update statistics |
| 333 |
|
|
ENDDO |
| 334 |
|
|
ENDDO |
| 335 |
|
|
ENDIF |
| 336 |
|
|
|
| 337 |
|
|
RETURN |
| 338 |
|
|
END |
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