1 |
cnh |
1.2 |
C $Header: /u/gcmpack/models/MITgcmUV/eesupp/src/exch_rx_recv_get_y.template,v 1.1 2001/05/29 14:06:38 adcroft Exp $ |
2 |
|
|
C $Name: $ |
3 |
adcroft |
1.1 |
#include "CPP_EEOPTIONS.h" |
4 |
|
|
|
5 |
cnh |
1.2 |
CBOP |
6 |
|
|
C !ROUTINE: EXCH_RX_RECV_GET_Y |
7 |
|
|
|
8 |
|
|
C !INTERFACE: |
9 |
adcroft |
1.1 |
SUBROUTINE EXCH_RX_RECV_GET_Y( array, |
10 |
|
|
I myOLw, myOLe, myOLs, myOLn, myNz, |
11 |
|
|
I exchWidthX, exchWidthY, |
12 |
|
|
I theSimulationMode, theCornerMode, myThid ) |
13 |
|
|
IMPLICIT NONE |
14 |
|
|
|
15 |
cnh |
1.2 |
C !DESCRIPTION: |
16 |
|
|
C *==========================================================* |
17 |
|
|
C | SUBROUTINE RECV_GET_Y |
18 |
|
|
C | o "Send" or "put" Y edges for RX array. |
19 |
|
|
C *==========================================================* |
20 |
|
|
C | Routine that invokes actual message passing send or |
21 |
|
|
C | direct "put" of data to update X faces of an XY[R] array. |
22 |
|
|
C *==========================================================* |
23 |
|
|
|
24 |
|
|
C !USES: |
25 |
adcroft |
1.1 |
C == Global variables == |
26 |
|
|
#include "SIZE.h" |
27 |
|
|
#include "EEPARAMS.h" |
28 |
|
|
#include "EESUPPORT.h" |
29 |
|
|
#include "EXCH.h" |
30 |
|
|
|
31 |
cnh |
1.2 |
C !INPUT/OUTPUT PARAMETERS: |
32 |
adcroft |
1.1 |
C == Routine arguments == |
33 |
cnh |
1.2 |
C array :: Array with edges to exchange. |
34 |
|
|
C myOLw :: West, East, North and South overlap region sizes. |
35 |
adcroft |
1.1 |
C myOLe |
36 |
|
|
C myOLn |
37 |
|
|
C myOLs |
38 |
cnh |
1.2 |
C exchWidthX :: Width of data region exchanged. |
39 |
adcroft |
1.1 |
C exchWidthY |
40 |
cnh |
1.2 |
C theSimulationMode :: Forward or reverse mode exchange ( provides |
41 |
|
|
C support for adjoint integration of code. ) |
42 |
|
|
C theCornerMode :: Flag indicating whether corner updates are |
43 |
|
|
C needed. |
44 |
|
|
C myThid :: Thread number of this instance of S/R EXCH... |
45 |
|
|
C eBl :: Edge buffer level |
46 |
adcroft |
1.1 |
INTEGER myOLw |
47 |
|
|
INTEGER myOLe |
48 |
|
|
INTEGER myOLs |
49 |
|
|
INTEGER myOLn |
50 |
|
|
INTEGER myNz |
51 |
|
|
_RX array(1-myOLw:sNx+myOLe, |
52 |
|
|
& 1-myOLs:sNy+myOLn, |
53 |
|
|
& myNZ, nSx, nSy) |
54 |
|
|
INTEGER exchWidthX |
55 |
|
|
INTEGER exchWidthY |
56 |
|
|
INTEGER theSimulationMode |
57 |
|
|
INTEGER theCornerMode |
58 |
|
|
INTEGER myThid |
59 |
|
|
|
60 |
cnh |
1.2 |
C !LOCAL VARIABLES: |
61 |
adcroft |
1.1 |
C == Local variables == |
62 |
cnh |
1.2 |
C I, J, K, iMin, iMax, iB :: Loop counters and extents |
63 |
adcroft |
1.1 |
C bi, bj |
64 |
cnh |
1.2 |
C biS, bjS :: South tile indices |
65 |
|
|
C biN, bjN :: North tile indices |
66 |
|
|
C eBl :: Current exchange buffer level |
67 |
|
|
C theProc, theTag, theType, :: Variables used in message building |
68 |
adcroft |
1.1 |
C theSize |
69 |
cnh |
1.2 |
C southCommMode :: Working variables holding type |
70 |
|
|
C northCommMode of communication a particular |
71 |
|
|
C tile face uses. |
72 |
|
|
C spinCount :: Exchange statistics counter |
73 |
|
|
C mpiStatus :: MPI error code |
74 |
adcroft |
1.1 |
INTEGER I, J, K, iMin, iMax, jMin, jMax, iB, iB0 |
75 |
|
|
INTEGER bi, bj, biS, bjS, biN, bjN |
76 |
|
|
INTEGER eBl |
77 |
|
|
INTEGER southCommMode |
78 |
|
|
INTEGER northCommMode |
79 |
|
|
INTEGER spinCount |
80 |
|
|
#ifdef ALLOW_USE_MPI |
81 |
|
|
INTEGER theProc, theTag, theType, theSize |
82 |
|
|
INTEGER mpiStatus(MPI_STATUS_SIZE,4), mpiRc |
83 |
|
|
#endif |
84 |
cnh |
1.2 |
CEOP |
85 |
adcroft |
1.1 |
|
86 |
|
|
C-- Under a "put" scenario we |
87 |
|
|
C-- i. set completetion signal for buffer we put into. |
88 |
|
|
C-- ii. wait for completetion signal indicating data has been put in |
89 |
|
|
C-- our buffer. |
90 |
|
|
C-- Under a messaging mode we "receive" the message. |
91 |
|
|
C-- Under a "get" scenario we |
92 |
|
|
C-- i. Check that the data is ready. |
93 |
|
|
C-- ii. Read the data. |
94 |
|
|
C-- iii. Set data read flag + memory sync. |
95 |
|
|
|
96 |
|
|
|
97 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
98 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
99 |
|
|
ebL = exchangeBufLevel(1,bi,bj) |
100 |
|
|
southCommMode = _tileCommModeS(bi,bj) |
101 |
|
|
northCommMode = _tileCommModeN(bi,bj) |
102 |
|
|
biN = _tileBiN(bi,bj) |
103 |
|
|
bjN = _tileBjN(bi,bj) |
104 |
|
|
biS = _tileBiS(bi,bj) |
105 |
|
|
bjS = _tileBjS(bi,bj) |
106 |
|
|
IF ( southCommMode .EQ. COMM_MSG ) THEN |
107 |
|
|
#ifdef ALLOW_USE_MPI |
108 |
|
|
#ifndef ALWAYS_USE_MPI |
109 |
|
|
IF ( usingMPI ) THEN |
110 |
|
|
#endif |
111 |
|
|
theProc = tilePidS(bi,bj) |
112 |
|
|
theTag = _tileTagRecvS(bi,bj) |
113 |
|
|
theType = MPI_DOUBLE_PRECISION |
114 |
|
|
theSize = sNx*exchWidthY*myNz |
115 |
|
|
IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) |
116 |
|
|
& theSize = (sNx+2*exchWidthX)*exchWidthY*myNz |
117 |
|
|
CALL MPI_Recv( southRecvBuf_RX(1,eBl,bi,bj), theSize, theType, |
118 |
|
|
& theProc, theTag, MPI_COMM_MODEL, |
119 |
|
|
& mpiStatus, mpiRc ) |
120 |
|
|
#ifndef ALWAYS_USE_MPI |
121 |
|
|
ENDIF |
122 |
|
|
#endif |
123 |
|
|
#endif /* ALLOW_USE_MPI */ |
124 |
|
|
ENDIF |
125 |
|
|
IF ( northCommMode .EQ. COMM_MSG ) THEN |
126 |
|
|
#ifdef ALLOW_USE_MPI |
127 |
|
|
#ifndef ALWAYS_USE_MPI |
128 |
|
|
IF ( usingMPI ) THEN |
129 |
|
|
#endif |
130 |
|
|
theProc = tilePidN(bi,bj) |
131 |
|
|
theTag = _tileTagRecvN(bi,bj) |
132 |
|
|
theType = MPI_DOUBLE_PRECISION |
133 |
|
|
theSize = sNx*exchWidthY*myNz |
134 |
|
|
IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) |
135 |
|
|
& theSize = (sNx+2*exchWidthX)*exchWidthY*myNz |
136 |
|
|
CALL MPI_Recv( northRecvBuf_RX(1,eBl,bi,bj), theSize, theType, |
137 |
|
|
& theProc, theTag, MPI_COMM_MODEL, |
138 |
|
|
& mpiStatus, mpiRc ) |
139 |
|
|
#ifndef ALWAYS_USE_MPI |
140 |
|
|
ENDIF |
141 |
|
|
#endif |
142 |
|
|
#endif /* ALLOW_USE_MPI */ |
143 |
|
|
ENDIF |
144 |
|
|
ENDDO |
145 |
|
|
ENDDO |
146 |
|
|
|
147 |
|
|
C-- Wait for buffers I am going read to be ready. |
148 |
|
|
IF ( exchUsesBarrier ) THEN |
149 |
|
|
C o On some machines ( T90 ) use system barrier rather than spinning. |
150 |
|
|
CALL BARRIER( myThid ) |
151 |
|
|
ELSE |
152 |
|
|
C o Spin waiting for completetion flag. This avoids a global-lock |
153 |
|
|
C i.e. we only lock waiting for data that we need. |
154 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
155 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
156 |
|
|
ebL = exchangeBufLevel(1,bi,bj) |
157 |
|
|
southCommMode = _tileCommModeS(bi,bj) |
158 |
|
|
northCommMode = _tileCommModeN(bi,bj) |
159 |
|
|
spinCount = 0 |
160 |
|
|
10 CONTINUE |
161 |
|
|
CALL FOOL_THE_COMPILER |
162 |
|
|
spinCount = spinCount+1 |
163 |
|
|
C IF ( myThid .EQ. 1 .AND. spinCount .GT. _EXCH_SPIN_LIMIT ) THEN |
164 |
|
|
C STOP ' S/R EXCH_RECV_GET_Y: spinCount .GT. _EXCH_SPIN_LIMIT' |
165 |
|
|
C ENDIF |
166 |
|
|
IF ( southRecvAck(eBl,bi,bj) .EQ. 0. ) GOTO 10 |
167 |
|
|
IF ( northRecvAck(eBl,bi,bj) .EQ. 0. ) GOTO 10 |
168 |
|
|
C Clear requests |
169 |
|
|
southRecvAck(eBl,bi,bj) = 0. |
170 |
|
|
northRecvAck(eBl,bi,bj) = 0. |
171 |
|
|
C Update statistics |
172 |
|
|
IF ( exchCollectStatistics ) THEN |
173 |
|
|
exchRecvYExchCount(1,bi,bj) = exchRecvYExchCount(1,bi,bj)+1 |
174 |
|
|
exchRecvYSpinCount(1,bi,bj) = |
175 |
|
|
& exchRecvYSpinCount(1,bi,bj)+spinCount |
176 |
|
|
exchRecvYSpinMax(1,bi,bj) = |
177 |
|
|
& MAX(exchRecvYSpinMax(1,bi,bj),spinCount) |
178 |
|
|
exchRecvYSpinMin(1,bi,bj) = |
179 |
|
|
& MIN(exchRecvYSpinMin(1,bi,bj),spinCount) |
180 |
|
|
ENDIF |
181 |
|
|
|
182 |
|
|
|
183 |
|
|
IF ( exchNReqsY(1,bi,bj) .GT. 0 ) THEN |
184 |
|
|
#ifdef ALLOW_USE_MPI |
185 |
|
|
#ifndef ALWAYS_USE_MPI |
186 |
|
|
IF ( usingMPI ) THEN |
187 |
|
|
#endif |
188 |
|
|
CALL MPI_Waitall( exchNReqsY(1,bi,bj), exchReqIdY(1,1,bi,bj), |
189 |
|
|
& mpiStatus, mpiRC ) |
190 |
|
|
#ifndef ALWAYS_USE_MPI |
191 |
|
|
ENDIF |
192 |
|
|
#endif |
193 |
|
|
#endif /* ALLOW_USE_MPI */ |
194 |
|
|
ENDIF |
195 |
|
|
C Clear outstanding requests counter |
196 |
|
|
exchNReqsY(1,bi,bj) = 0 |
197 |
|
|
ENDDO |
198 |
|
|
ENDDO |
199 |
|
|
ENDIF |
200 |
|
|
|
201 |
|
|
C-- Read from the buffers |
202 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
203 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
204 |
|
|
|
205 |
|
|
ebL = exchangeBufLevel(1,bi,bj) |
206 |
|
|
biN = _tileBiN(bi,bj) |
207 |
|
|
bjN = _tileBjN(bi,bj) |
208 |
|
|
biS = _tileBiS(bi,bj) |
209 |
|
|
bjS = _tileBjS(bi,bj) |
210 |
|
|
southCommMode = _tileCommModeS(bi,bj) |
211 |
|
|
northCommMode = _tileCommModeN(bi,bj) |
212 |
|
|
IF ( theCornerMode .EQ. EXCH_UPDATE_CORNERS ) THEN |
213 |
|
|
iMin = 1-exchWidthX |
214 |
|
|
iMax = sNx+exchWidthX |
215 |
|
|
ELSE |
216 |
|
|
iMin = 1 |
217 |
|
|
iMax = sNx |
218 |
|
|
ENDIF |
219 |
|
|
IF ( _theSimulationMode .EQ. FORWARD_SIMULATION ) THEN |
220 |
|
|
jMin = sNy+1 |
221 |
|
|
jMax = sNy+exchWidthY |
222 |
|
|
iB0 = 0 |
223 |
|
|
IF ( northCommMode .EQ. COMM_PUT |
224 |
|
|
& .OR. northCommMode .EQ. COMM_MSG ) THEN |
225 |
|
|
iB = 0 |
226 |
|
|
DO K=1,myNz |
227 |
|
|
DO J=jMin,jMax |
228 |
|
|
DO I=iMin,iMax |
229 |
|
|
iB = iB + 1 |
230 |
|
|
array(I,J,K,bi,bj) = northRecvBuf_RX(iB,eBl,bi,bj) |
231 |
|
|
ENDDO |
232 |
|
|
ENDDO |
233 |
|
|
ENDDO |
234 |
|
|
ELSEIF ( northCommMode .EQ. COMM_GET ) THEN |
235 |
|
|
DO K=1,myNz |
236 |
|
|
iB = iB0 |
237 |
|
|
DO J=jMin,jMax |
238 |
|
|
iB = iB+1 |
239 |
|
|
DO I=iMin,iMax |
240 |
|
|
array(I,J,K,bi,bj) = array(I,iB,K,biN,bjN) |
241 |
|
|
ENDDO |
242 |
|
|
ENDDO |
243 |
|
|
ENDDO |
244 |
|
|
ENDIF |
245 |
|
|
ELSEIF ( _theSimulationMode .EQ. REVERSE_SIMULATION ) THEN |
246 |
|
|
jMin = sNy-exchWidthY+1 |
247 |
|
|
jMax = sNy |
248 |
|
|
iB0 = 1-exchWidthY-1 |
249 |
|
|
IF ( northCommMode .EQ. COMM_PUT |
250 |
|
|
& .OR. northCommMode .EQ. COMM_MSG ) THEN |
251 |
|
|
iB = 0 |
252 |
|
|
DO K=1,myNz |
253 |
|
|
DO J=jMin,jMax |
254 |
|
|
DO I=iMin,iMax |
255 |
|
|
iB = iB + 1 |
256 |
|
|
array(I,J,K,bi,bj) = |
257 |
|
|
& array(I,J,K,bi,bj)+northRecvBuf_RX(iB,eBl,bi,bj) |
258 |
|
|
ENDDO |
259 |
|
|
ENDDO |
260 |
|
|
ENDDO |
261 |
|
|
ELSEIF ( northCommMode .EQ. COMM_GET ) THEN |
262 |
|
|
DO K=1,myNz |
263 |
|
|
iB = iB0 |
264 |
|
|
DO J=jMin,jMax |
265 |
|
|
iB = iB+1 |
266 |
|
|
DO I=iMin,iMax |
267 |
|
|
array(I,J,K,bi,bj) = |
268 |
|
|
& array(I,J,K,bi,bj)+array(I,iB,K,biN,bjN) |
269 |
|
|
ENDDO |
270 |
|
|
ENDDO |
271 |
|
|
ENDDO |
272 |
|
|
ENDIF |
273 |
|
|
ENDIF |
274 |
|
|
|
275 |
|
|
IF ( _theSimulationMode .EQ. FORWARD_SIMULATION ) THEN |
276 |
|
|
jMin = 1-exchWidthY |
277 |
|
|
jMax = 0 |
278 |
|
|
iB0 = sNy-exchWidthY |
279 |
|
|
IF ( southCommMode .EQ. COMM_PUT |
280 |
|
|
& .OR. southCommMode .EQ. COMM_MSG ) THEN |
281 |
|
|
iB = 0 |
282 |
|
|
DO K=1,myNz |
283 |
|
|
DO J=jMin,jMax |
284 |
|
|
DO I=iMin,iMax |
285 |
|
|
iB = iB + 1 |
286 |
|
|
array(I,J,K,bi,bj) = southRecvBuf_RX(iB,eBl,bi,bj) |
287 |
|
|
ENDDO |
288 |
|
|
ENDDO |
289 |
|
|
ENDDO |
290 |
|
|
ELSEIF ( southCommMode .EQ. COMM_GET ) THEN |
291 |
|
|
DO K=1,myNz |
292 |
|
|
iB = iB0 |
293 |
|
|
DO J=jMin,jMax |
294 |
|
|
iB = iB+1 |
295 |
|
|
DO I=iMin,iMax |
296 |
|
|
array(I,J,K,bi,bj) = array(I,iB,K,biS,bjS) |
297 |
|
|
ENDDO |
298 |
|
|
ENDDO |
299 |
|
|
ENDDO |
300 |
|
|
ENDIF |
301 |
|
|
ELSEIF ( _theSimulationMode .EQ. REVERSE_SIMULATION ) THEN |
302 |
|
|
jMin = 1 |
303 |
|
|
jMax = 1+exchWidthY-1 |
304 |
|
|
iB0 = sNy |
305 |
|
|
IF ( southCommMode .EQ. COMM_PUT |
306 |
|
|
& .OR. southCommMode .EQ. COMM_MSG ) THEN |
307 |
|
|
iB = 0 |
308 |
|
|
DO K=1,myNz |
309 |
|
|
DO J=jMin,jMax |
310 |
|
|
DO I=iMin,iMax |
311 |
|
|
iB = iB + 1 |
312 |
|
|
array(I,J,K,bi,bj) = |
313 |
|
|
& array(I,J,K,bi,bj)+southRecvBuf_RX(iB,eBl,bi,bj) |
314 |
|
|
ENDDO |
315 |
|
|
ENDDO |
316 |
|
|
ENDDO |
317 |
|
|
ELSEIF ( southCommMode .EQ. COMM_GET ) THEN |
318 |
|
|
DO K=1,myNz |
319 |
|
|
iB = iB0 |
320 |
|
|
DO J=jMin,jMax |
321 |
|
|
iB = iB+1 |
322 |
|
|
DO I=iMin,iMax |
323 |
|
|
array(I,J,K,bi,bj) = |
324 |
|
|
& array(I,J,K,bi,bj)+array(I,iB,K,biS,bjS) |
325 |
|
|
ENDDO |
326 |
|
|
ENDDO |
327 |
|
|
ENDDO |
328 |
|
|
ENDIF |
329 |
|
|
ENDIF |
330 |
|
|
ENDDO |
331 |
|
|
ENDDO |
332 |
|
|
|
333 |
|
|
RETURN |
334 |
|
|
END |