78 |
INTEGER northCommMode |
INTEGER northCommMode |
79 |
INTEGER spinCount |
INTEGER spinCount |
80 |
#ifdef ALLOW_USE_MPI |
#ifdef ALLOW_USE_MPI |
81 |
INTEGER theProc, theTag, theType, theSize |
INTEGER theProc, theTag, theType, theSize, pReqI |
82 |
INTEGER mpiStatus(MPI_STATUS_SIZE,4), mpiRc |
INTEGER mpiStatus(MPI_STATUS_SIZE,4), mpiRc |
83 |
#endif |
#endif |
84 |
CEOP |
CEOP |
85 |
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|
86 |
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INTEGER myBxLoSave(MAX_NO_THREADS) |
87 |
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INTEGER myBxHiSave(MAX_NO_THREADS) |
88 |
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INTEGER myByLoSave(MAX_NO_THREADS) |
89 |
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INTEGER myByHiSave(MAX_NO_THREADS) |
90 |
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LOGICAL doingSingleThreadedComms |
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92 |
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doingSingleThreadedComms = .FALSE. |
93 |
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#ifdef ALLOW_USE_MPI |
94 |
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#ifndef ALWAYS_USE_MPI |
95 |
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IF ( usingMPI ) THEN |
96 |
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#endif |
97 |
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C Set default behavior to have MPI comms done by a single thread. |
98 |
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C Most MPI implementations don't support concurrent comms from |
99 |
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C several threads. |
100 |
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IF ( nThreads .GT. 1 ) THEN |
101 |
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_BARRIER |
102 |
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_BEGIN_MASTER( myThid ) |
103 |
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DO I=1,nThreads |
104 |
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myBxLoSave(I) = myBxLo(I) |
105 |
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myBxHiSave(I) = myBxHi(I) |
106 |
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myByLoSave(I) = myByLo(I) |
107 |
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myByHiSave(I) = myByHi(I) |
108 |
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ENDDO |
109 |
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C Comment out loop below and myB[xy][Lo|Hi](1) settings below |
110 |
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C if you want to get multi-threaded MPI comms. |
111 |
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DO I=1,nThreads |
112 |
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myBxLo(I) = 0 |
113 |
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myBxHi(I) = -1 |
114 |
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myByLo(I) = 0 |
115 |
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myByHi(I) = -1 |
116 |
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ENDDO |
117 |
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myBxLo(1) = 1 |
118 |
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myBxHi(1) = nSx |
119 |
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myByLo(1) = 1 |
120 |
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myByHi(1) = nSy |
121 |
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doingSingleThreadedComms = .TRUE. |
122 |
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_END_MASTER( myThid ) |
123 |
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_BARRIER |
124 |
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ENDIF |
125 |
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#ifndef ALWAYS_USE_MPI |
126 |
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ENDIF |
127 |
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#endif |
128 |
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#endif |
129 |
C-- Under a "put" scenario we |
C-- Under a "put" scenario we |
130 |
C-- i. set completetion signal for buffer we put into. |
C-- i. set completetion signal for buffer we put into. |
131 |
C-- ii. wait for completetion signal indicating data has been put in |
C-- ii. wait for completetion signal indicating data has been put in |
157 |
theSize = sNx*exchWidthY*myNz |
theSize = sNx*exchWidthY*myNz |
158 |
IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) |
IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) |
159 |
& theSize = (sNx+2*exchWidthX)*exchWidthY*myNz |
& theSize = (sNx+2*exchWidthX)*exchWidthY*myNz |
160 |
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# ifndef ALLOW_AUTODIFF_OPENAD_AMPI |
161 |
CALL MPI_Recv( southRecvBuf_RX(1,eBl,bi,bj), theSize, theType, |
CALL MPI_Recv( southRecvBuf_RX(1,eBl,bi,bj), theSize, theType, |
162 |
& theProc, theTag, MPI_COMM_MODEL, |
& theProc, theTag, MPI_COMM_MODEL, |
163 |
& mpiStatus, mpiRc ) |
& mpiStatus, mpiRc ) |
164 |
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# else |
165 |
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pReqI=exchNReqsY(1,bi,bj)+1 |
166 |
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CALL ampi_recv_RX( |
167 |
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& southRecvBuf_RX(1,eBl,bi,bj) , |
168 |
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& theSize , |
169 |
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& theType , |
170 |
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& theProc , |
171 |
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& theTag , |
172 |
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& MPI_COMM_MODEL , |
173 |
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& exchReqIdY(pReqI,1,bi,bj), |
174 |
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& exchNReqsY(1,bi,bj), |
175 |
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& mpiStatus , |
176 |
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& mpiRc ) |
177 |
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# endif /* ALLOW_AUTODIFF_OPENAD_AMPI */ |
178 |
#ifndef ALWAYS_USE_MPI |
#ifndef ALWAYS_USE_MPI |
179 |
ENDIF |
ENDIF |
180 |
#endif |
#endif |
191 |
theSize = sNx*exchWidthY*myNz |
theSize = sNx*exchWidthY*myNz |
192 |
IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) |
IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) |
193 |
& theSize = (sNx+2*exchWidthX)*exchWidthY*myNz |
& theSize = (sNx+2*exchWidthX)*exchWidthY*myNz |
194 |
|
# ifndef ALLOW_AUTODIFF_OPENAD_AMPI |
195 |
CALL MPI_Recv( northRecvBuf_RX(1,eBl,bi,bj), theSize, theType, |
CALL MPI_Recv( northRecvBuf_RX(1,eBl,bi,bj), theSize, theType, |
196 |
& theProc, theTag, MPI_COMM_MODEL, |
& theProc, theTag, MPI_COMM_MODEL, |
197 |
& mpiStatus, mpiRc ) |
& mpiStatus, mpiRc ) |
198 |
|
# else |
199 |
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pReqI=exchNReqsY(1,bi,bj)+1 |
200 |
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CALL ampi_recv_RX( |
201 |
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& northRecvBuf_RX(1,eBl,bi,bj) , |
202 |
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& theSize , |
203 |
|
& theType , |
204 |
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& theProc , |
205 |
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& theTag , |
206 |
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& MPI_COMM_MODEL , |
207 |
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& exchReqIdY(pReqI,1,bi,bj), |
208 |
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& exchNReqsY(1,bi,bj), |
209 |
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& mpiStatus , |
210 |
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& mpiRc ) |
211 |
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# endif /* ALLOW_AUTODIFF_OPENAD_AMPI */ |
212 |
#ifndef ALWAYS_USE_MPI |
#ifndef ALWAYS_USE_MPI |
213 |
ENDIF |
ENDIF |
214 |
#endif |
#endif |
230 |
southCommMode = _tileCommModeS(bi,bj) |
southCommMode = _tileCommModeS(bi,bj) |
231 |
northCommMode = _tileCommModeN(bi,bj) |
northCommMode = _tileCommModeN(bi,bj) |
232 |
spinCount = 0 |
spinCount = 0 |
233 |
|
# ifndef ALLOW_AUTODIFF_OPENAD_AMPI |
234 |
10 CONTINUE |
10 CONTINUE |
235 |
CALL FOOL_THE_COMPILER( spinCount ) |
CALL FOOL_THE_COMPILER( spinCount ) |
236 |
spinCount = spinCount+1 |
spinCount = spinCount+1 |
237 |
C IF ( myThid .EQ. 1 .AND. spinCount .GT. _EXCH_SPIN_LIMIT ) THEN |
C IF ( myThid .EQ. 1 .AND. spinCount .GT. _EXCH_SPIN_LIMIT ) THEN |
238 |
C STOP ' S/R EXCH_RECV_GET_Y: spinCount .GT. _EXCH_SPIN_LIMIT' |
C STOP ' S/R EXCH_RECV_GET_Y: spinCount .GT. _EXCH_SPIN_LIMIT' |
239 |
C ENDIF |
C ENDIF |
240 |
IF ( southRecvAck(eBl,bi,bj) .EQ. 0. ) GOTO 10 |
IF ( southRecvAck(eBl,bi,bj) .EQ. 0 ) GOTO 10 |
241 |
IF ( northRecvAck(eBl,bi,bj) .EQ. 0. ) GOTO 10 |
IF ( northRecvAck(eBl,bi,bj) .EQ. 0 ) GOTO 10 |
242 |
|
# else |
243 |
|
do while ((southRecvAck(eBl,bi,bj) .EQ. 0. |
244 |
|
& .or. |
245 |
|
& northRecvAck(eBl,bi,bj) .EQ. 0. )) |
246 |
|
CALL FOOL_THE_COMPILER( spinCount ) |
247 |
|
spinCount = spinCount+1 |
248 |
|
end do |
249 |
|
# endif /* ALLOW_AUTODIFF_OPENAD_AMPI */ |
250 |
C Clear requests |
C Clear requests |
251 |
southRecvAck(eBl,bi,bj) = 0. |
southRecvAck(eBl,bi,bj) = 0 |
252 |
northRecvAck(eBl,bi,bj) = 0. |
northRecvAck(eBl,bi,bj) = 0 |
253 |
C Update statistics |
C Update statistics |
254 |
IF ( exchCollectStatistics ) THEN |
IF ( exchCollectStatistics ) THEN |
255 |
exchRecvYExchCount(1,bi,bj) = exchRecvYExchCount(1,bi,bj)+1 |
exchRecvYExchCount(1,bi,bj) = exchRecvYExchCount(1,bi,bj)+1 |
267 |
#ifndef ALWAYS_USE_MPI |
#ifndef ALWAYS_USE_MPI |
268 |
IF ( usingMPI ) THEN |
IF ( usingMPI ) THEN |
269 |
#endif |
#endif |
270 |
|
# ifndef ALLOW_AUTODIFF_OPENAD_AMPI |
271 |
CALL MPI_Waitall( exchNReqsY(1,bi,bj), exchReqIdY(1,1,bi,bj), |
CALL MPI_Waitall( exchNReqsY(1,bi,bj), exchReqIdY(1,1,bi,bj), |
272 |
& mpiStatus, mpiRC ) |
& mpiStatus, mpiRC ) |
273 |
|
# else |
274 |
|
CALL ampi_waitall( |
275 |
|
& exchNReqsY(1,bi,bj), |
276 |
|
& exchReqIdY(1,1,bi,bj), |
277 |
|
& mpiStatus, |
278 |
|
& mpiRC ) |
279 |
|
# endif /* ALLOW_AUTODIFF_OPENAD_AMPI */ |
280 |
#ifndef ALWAYS_USE_MPI |
#ifndef ALWAYS_USE_MPI |
281 |
ENDIF |
ENDIF |
282 |
#endif |
#endif |
420 |
ENDDO |
ENDDO |
421 |
ENDDO |
ENDDO |
422 |
|
|
423 |
|
_BARRIER |
424 |
|
IF ( doingSingleThreadedComms ) THEN |
425 |
|
C Restore saved settings that were stored to allow |
426 |
|
C single thred comms. |
427 |
|
_BEGIN_MASTER(myThid) |
428 |
|
DO I=1,nThreads |
429 |
|
myBxLo(I) = myBxLoSave(I) |
430 |
|
myBxHi(I) = myBxHiSave(I) |
431 |
|
myByLo(I) = myByLoSave(I) |
432 |
|
myByHi(I) = myByHiSave(I) |
433 |
|
ENDDO |
434 |
|
_END_MASTER(myThid) |
435 |
|
ENDIF |
436 |
|
_BARRIER |
437 |
|
|
438 |
RETURN |
RETURN |
439 |
END |
END |