1 |
jmc |
1.8 |
C $Header: /u/gcmpack/MITgcm/pkg/flt/exch_recv_get_vec.F,v 1.7 2009/08/04 16:14:09 jmc Exp $ |
2 |
jmc |
1.2 |
C $Name: $ |
3 |
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|
4 |
jmc |
1.5 |
#include "CPP_EEOPTIONS.h" |
5 |
jmc |
1.8 |
#undef EXCH_USE_SPINNING |
6 |
jmc |
1.5 |
#undef DBUG_EXCH_VEC |
7 |
jmc |
1.3 |
|
8 |
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C-- Contents |
9 |
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C-- o EXCH_RL_RECV_GET_VEC_X |
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C-- o EXCH_RL_RECV_GET_VEC_Y |
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12 |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
13 |
jmc |
1.5 |
CBOP 0 |
14 |
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C !ROUTINE: EXCH_RL_RECV_GET_VEC_X |
15 |
adcroft |
1.1 |
|
16 |
jmc |
1.5 |
C !INTERFACE: |
17 |
jmc |
1.4 |
SUBROUTINE EXCH_RL_RECV_GET_VEC_X( |
18 |
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U arrayE, arrayW, |
19 |
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I myd1, myThid ) |
20 |
jmc |
1.5 |
C !DESCRIPTION: |
21 |
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C *==========================================================* |
22 |
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C | SUBROUTINE EXCH_RL_RECV_GET_VEC_X |
23 |
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C | o "Receive" or "Get" X edges for RL array. |
24 |
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C *==========================================================* |
25 |
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C | Routine that invokes actual message passing receive |
26 |
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C | of data to update buffer in X direction |
27 |
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C *==========================================================* |
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29 |
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C !USES: |
30 |
adcroft |
1.1 |
IMPLICIT NONE |
31 |
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32 |
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C == Global variables == |
33 |
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#include "SIZE.h" |
34 |
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#include "EEPARAMS.h" |
35 |
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#include "EESUPPORT.h" |
36 |
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#include "EXCH.h" |
37 |
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|
38 |
jmc |
1.5 |
C !INPUT/OUTPUT PARAMETERS: |
39 |
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C arrayE :: buffer array to collect Eastern Neighbour values |
40 |
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C arrayW :: buffer array to collect Western Neighbour values |
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C myd1 :: size |
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C myThid :: my Thread Id. number |
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adcroft |
1.1 |
INTEGER myd1 |
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_RL arrayE(myd1, nSx, nSy), arrayW(myd1, nSx, nSy) |
45 |
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INTEGER myThid |
46 |
jmc |
1.5 |
CEOP |
47 |
adcroft |
1.1 |
|
48 |
jmc |
1.5 |
C !LOCAL VARIABLES: |
49 |
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C bi, bj :: tile indices |
50 |
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C biW, bjW :: West tile indices |
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C biE, bjE :: East tile indices |
52 |
cnh |
1.6 |
C theProc :: Variables used in message building |
53 |
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C theTag :: Variables used in message building |
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C theType :: Variables used in message building |
55 |
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C theSize :: Variables used in message building |
56 |
jmc |
1.5 |
C westCommMode :: variables holding type of communication |
57 |
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C eastCommMode :: a particular tile face uses. |
58 |
jmc |
1.4 |
INTEGER bi, bj |
59 |
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c INTEGER biW, bjW, biE, bjE |
60 |
adcroft |
1.1 |
INTEGER westCommMode |
61 |
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INTEGER eastCommMode |
62 |
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INTEGER spinCount |
63 |
jmc |
1.5 |
INTEGER ioUnit |
64 |
adcroft |
1.1 |
#ifdef ALLOW_USE_MPI |
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INTEGER theProc, theTag, theType, theSize |
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INTEGER mpiStatus(MPI_STATUS_SIZE,4), mpiRc |
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#endif |
68 |
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|
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jmc |
1.2 |
C-- Under a "put" scenario we |
70 |
adcroft |
1.1 |
C-- i. set completetion signal for buffer we put into. |
71 |
jmc |
1.2 |
C-- ii. wait for completetion signal indicating data has been put in |
72 |
adcroft |
1.1 |
C-- our buffer. |
73 |
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C-- Under a messaging mode we "receive" the message. |
74 |
jmc |
1.5 |
C-- Under a "get" scenario <= not implemented, we |
75 |
adcroft |
1.1 |
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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jmc |
1.5 |
ioUnit = errorMessageUnit |
80 |
adcroft |
1.1 |
|
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jmc |
1.8 |
_BEGIN_MASTER(myThid) |
82 |
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DO bj=1,nSy |
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DO bi=1,nSx |
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adcroft |
1.1 |
westCommMode = _tileCommModeW(bi,bj) |
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eastCommMode = _tileCommModeE(bi,bj) |
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jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
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write(ioUnit,'(A,5I6)') 'RECV_X,0 :',myProcId,bi,bj |
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#endif |
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jmc |
1.4 |
c biE = _tileBiE(bi,bj) |
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c bjE = _tileBjE(bi,bj) |
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c biW = _tileBiW(bi,bj) |
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c bjW = _tileBjW(bi,bj) |
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adcroft |
1.1 |
IF ( westCommMode .EQ. COMM_MSG ) THEN |
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#ifdef ALLOW_USE_MPI |
96 |
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#ifndef ALWAYS_USE_MPI |
97 |
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IF ( usingMPI ) THEN |
98 |
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#endif |
99 |
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theProc = tilePidW(bi,bj) |
100 |
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theTag = _tileTagRecvW(bi,bj) |
101 |
jmc |
1.5 |
theType = _MPI_TYPE_RL |
102 |
adcroft |
1.1 |
theSize = myd1 |
103 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
104 |
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write(ioUnit,'(A,5I5,I8)') 'qq2xW: ',myProcId,bi,bj, |
105 |
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& theProc,theTag,theSize |
106 |
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#endif |
107 |
adcroft |
1.1 |
CALL MPI_Recv( arrayW(1,bi,bj), theSize, theType, |
108 |
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& theProc, theTag, MPI_COMM_MODEL, |
109 |
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& mpiStatus, mpiRc ) |
110 |
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c if (theProc .eq. 0 .or. theProc .eq. 2) then |
111 |
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c if (arrayW(1,bi,bj) .ne. 0.) then |
112 |
jmc |
1.5 |
c write(errormessageunit,*) 'qq2y: ',myProcId, |
113 |
adcroft |
1.1 |
c & theProc,theTag,theSize,(arrayW(i,bi,bj),i=1,32) |
114 |
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c else |
115 |
jmc |
1.5 |
c write(errormessageunit,*) 'qq2n: ',myProcId, |
116 |
adcroft |
1.1 |
c & theProc,theTag,theSize,(arrayW(i,bi,bj),i=1,32) |
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c endif |
118 |
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c endif |
119 |
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#ifndef ALWAYS_USE_MPI |
120 |
jmc |
1.5 |
ENDIF |
121 |
adcroft |
1.1 |
#endif |
122 |
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#endif /* ALLOW_USE_MPI */ |
123 |
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ENDIF |
124 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
125 |
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write(ioUnit,'(A,5I6)') 'RECV_X,1 :',myProcId,bi,bj |
126 |
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#endif |
127 |
adcroft |
1.1 |
IF ( eastCommMode .EQ. COMM_MSG ) THEN |
128 |
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#ifdef ALLOW_USE_MPI |
129 |
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#ifndef ALWAYS_USE_MPI |
130 |
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IF ( usingMPI ) THEN |
131 |
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#endif |
132 |
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theProc = tilePidE(bi,bj) |
133 |
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theTag = _tileTagRecvE(bi,bj) |
134 |
jmc |
1.5 |
theType = _MPI_TYPE_RL |
135 |
adcroft |
1.1 |
theSize = myd1 |
136 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
137 |
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write(ioUnit,'(A,5I5,I8)') 'qq2xE: ',myProcId,bi,bj, |
138 |
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& theProc,theTag,theSize |
139 |
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#endif |
140 |
adcroft |
1.1 |
CALL MPI_Recv( arrayE(1,bi,bj), theSize, theType, |
141 |
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& theProc, theTag, MPI_COMM_MODEL, |
142 |
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& mpiStatus, mpiRc ) |
143 |
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#ifndef ALWAYS_USE_MPI |
144 |
jmc |
1.5 |
ENDIF |
145 |
adcroft |
1.1 |
#endif |
146 |
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#endif /* ALLOW_USE_MPI */ |
147 |
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ENDIF |
148 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
149 |
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write(ioUnit,'(A,5I6)') 'RECV_X,2 :',myProcId,bi,bj |
150 |
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#endif |
151 |
adcroft |
1.1 |
ENDDO |
152 |
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ENDDO |
153 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
154 |
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write(ioUnit,'(A,5I6,I12)') 'RECV_X:',myProcId |
155 |
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#endif |
156 |
adcroft |
1.1 |
|
157 |
jmc |
1.8 |
IF ( .NOT.exchUsesBarrier ) THEN |
158 |
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DO bj=1,nSy |
159 |
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DO bi=1,nSx |
160 |
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IF ( exchNReqsX(1,bi,bj) .GT. 0 ) THEN |
161 |
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#ifdef ALLOW_USE_MPI |
162 |
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#ifndef ALWAYS_USE_MPI |
163 |
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IF ( usingMPI ) THEN |
164 |
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#endif |
165 |
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CALL MPI_Waitall( exchNReqsX(1,bi,bj), exchReqIdX(1,1,bi,bj), |
166 |
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& mpiStatus, mpiRC ) |
167 |
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#ifndef ALWAYS_USE_MPI |
168 |
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ENDIF |
169 |
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#endif |
170 |
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#endif /* ALLOW_USE_MPI */ |
171 |
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ENDIF |
172 |
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C Clear outstanding requests counter |
173 |
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exchNReqsX(1,bi,bj) = 0 |
174 |
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ENDDO |
175 |
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ENDDO |
176 |
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ENDIF |
177 |
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178 |
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_END_MASTER(myThid) |
179 |
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180 |
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C-- need to sync threads after master has received data ; |
181 |
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C (done after mpi waitall in case waitall is really needed) |
182 |
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_BARRIER |
183 |
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184 |
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C-- Threads wait for buffers I am going to read to be ready. |
185 |
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C note: added BARRIER in exch_send_put S/R and here above (message |
186 |
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C mode) so that we no longer needs this (undef EXCH_USE_SPINNING) |
187 |
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#ifdef EXCH_USE_SPINNING |
188 |
adcroft |
1.1 |
IF ( exchUsesBarrier ) THEN |
189 |
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C o On some machines ( T90 ) use system barrier rather than spinning. |
190 |
|
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CALL BARRIER( myThid ) |
191 |
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ELSE |
192 |
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C o Spin waiting for completetion flag. This avoids a global-lock |
193 |
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C i.e. we only lock waiting for data that we need. |
194 |
|
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DO bj=myByLo(myThid),myByHi(myThid) |
195 |
|
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DO bi=myBxLo(myThid),myBxHi(myThid) |
196 |
|
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spinCount = 0 |
197 |
|
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westCommMode = _tileCommModeW(bi,bj) |
198 |
|
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eastCommMode = _tileCommModeE(bi,bj) |
199 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
200 |
|
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write(ioUnit,'(A,5I6,I12)') 'spin:', myProcId,bi,bj, |
201 |
|
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& westRecvAck(1,bi,bj), eastRecvAck(1,bi,bj), spinCount |
202 |
|
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#endif |
203 |
adcroft |
1.1 |
10 CONTINUE |
204 |
jmc |
1.7 |
CALL FOOL_THE_COMPILER( spinCount ) |
205 |
adcroft |
1.1 |
spinCount = spinCount+1 |
206 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
207 |
|
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write(ioUnit,'(A,5I6,I12)') 'spin:', myProcId,bi,bj, |
208 |
|
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& westRecvAck(1,bi,bj), eastRecvAck(1,bi,bj), spinCount |
209 |
|
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IF ( myThid.EQ.1 .AND. spinCount.GT. _EXCH_SPIN_LIMIT ) THEN |
210 |
|
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STOP ' S/R EXCH_RECV_GET_X: spinCount > _EXCH_SPIN_LIMIT' |
211 |
|
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ENDIF |
212 |
|
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#endif |
213 |
|
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IF ( westRecvAck(1,bi,bj) .EQ. 0 ) GOTO 10 |
214 |
|
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IF ( eastRecvAck(1,bi,bj) .EQ. 0 ) GOTO 10 |
215 |
adcroft |
1.1 |
C Clear outstanding requests |
216 |
jmc |
1.5 |
westRecvAck(1,bi,bj) = 0 |
217 |
|
|
eastRecvAck(1,bi,bj) = 0 |
218 |
adcroft |
1.1 |
ENDDO |
219 |
|
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ENDDO |
220 |
|
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ENDIF |
221 |
jmc |
1.8 |
#endif /* EXCH_USE_SPINNING */ |
222 |
adcroft |
1.1 |
|
223 |
|
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RETURN |
224 |
|
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END |
225 |
|
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|
226 |
jmc |
1.3 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
227 |
jmc |
1.5 |
CBOP 0 |
228 |
|
|
C !ROUTINE: EXCH_RL_RECV_GET_VEC_Y |
229 |
adcroft |
1.1 |
|
230 |
jmc |
1.5 |
C !INTERFACE: |
231 |
jmc |
1.4 |
SUBROUTINE EXCH_RL_RECV_GET_VEC_Y( |
232 |
|
|
U arrayN, arrayS, |
233 |
|
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I myd1, myThid ) |
234 |
jmc |
1.5 |
C !DESCRIPTION: |
235 |
|
|
C *==========================================================* |
236 |
|
|
C | SUBROUTINE EXCH_RL_RECV_GET_VEC_Y |
237 |
|
|
C | o "Receive" or "Get" Y edges for RL array. |
238 |
|
|
C *==========================================================* |
239 |
|
|
C | Routine that invokes actual message passing receive |
240 |
|
|
C | of data to update buffer in Y direction |
241 |
|
|
C *==========================================================* |
242 |
|
|
|
243 |
|
|
C !USES: |
244 |
adcroft |
1.1 |
IMPLICIT NONE |
245 |
|
|
|
246 |
|
|
C == Global variables == |
247 |
|
|
#include "SIZE.h" |
248 |
|
|
#include "EEPARAMS.h" |
249 |
|
|
#include "EESUPPORT.h" |
250 |
|
|
#include "EXCH.h" |
251 |
|
|
|
252 |
jmc |
1.5 |
C !INPUT/OUTPUT PARAMETERS: |
253 |
|
|
C arrayN :: buffer array to collect Northern Neighbour values |
254 |
|
|
C arrayS :: buffer array to collect Southern Neighbour values |
255 |
|
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C myd1 :: size |
256 |
|
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C myThid :: my Thread Id. number |
257 |
adcroft |
1.1 |
INTEGER myd1 |
258 |
|
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_RL arrayN(myd1, nSx, nSy), arrayS(myd1, nSx, nSy) |
259 |
|
|
INTEGER myThid |
260 |
jmc |
1.5 |
CEOP |
261 |
adcroft |
1.1 |
|
262 |
jmc |
1.5 |
C !LOCAL VARIABLES: |
263 |
|
|
C bi, bj :: tile indices |
264 |
|
|
C biS, bjS :: South tile indices |
265 |
|
|
C biN, bjN :: North tile indices |
266 |
cnh |
1.6 |
C theProc :: Variables used in message building |
267 |
|
|
C theTag :: Variables used in message building |
268 |
|
|
C theType :: Variables used in message building |
269 |
|
|
C theSize :: Variables used in message building |
270 |
jmc |
1.5 |
C southCommMode :: variables holding type of communication |
271 |
|
|
C northCommMode :: a particular tile face uses. |
272 |
jmc |
1.4 |
INTEGER bi, bj |
273 |
|
|
c INTEGER biS, bjS, biN, bjN |
274 |
adcroft |
1.1 |
INTEGER southCommMode |
275 |
|
|
INTEGER northCommMode |
276 |
|
|
INTEGER spinCount |
277 |
jmc |
1.5 |
INTEGER ioUnit |
278 |
adcroft |
1.1 |
#ifdef ALLOW_USE_MPI |
279 |
|
|
INTEGER theProc, theTag, theType, theSize |
280 |
|
|
INTEGER mpiStatus(MPI_STATUS_SIZE,4), mpiRc |
281 |
|
|
#endif |
282 |
|
|
|
283 |
jmc |
1.2 |
C-- Under a "put" scenario we |
284 |
adcroft |
1.1 |
C-- i. set completetion signal for buffer we put into. |
285 |
jmc |
1.2 |
C-- ii. wait for completetion signal indicating data has been put in |
286 |
adcroft |
1.1 |
C-- our buffer. |
287 |
|
|
C-- Under a messaging mode we "receive" the message. |
288 |
jmc |
1.5 |
C-- Under a "get" scenario <= not implemented, we |
289 |
adcroft |
1.1 |
C-- i. Check that the data is ready. |
290 |
|
|
C-- ii. Read the data. |
291 |
|
|
C-- iii. Set data read flag + memory sync. |
292 |
|
|
|
293 |
jmc |
1.5 |
ioUnit = errorMessageUnit |
294 |
adcroft |
1.1 |
|
295 |
jmc |
1.8 |
_BEGIN_MASTER(myThid) |
296 |
|
|
|
297 |
|
|
DO bj=1,nSy |
298 |
|
|
DO bi=1,nSx |
299 |
adcroft |
1.1 |
southCommMode = _tileCommModeS(bi,bj) |
300 |
|
|
northCommMode = _tileCommModeN(bi,bj) |
301 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
302 |
|
|
write(ioUnit,'(A,5I6)') 'RECV_Y,0 :',myProcId,bi,bj |
303 |
|
|
#endif |
304 |
jmc |
1.4 |
c biN = _tileBiN(bi,bj) |
305 |
|
|
c bjN = _tileBjN(bi,bj) |
306 |
|
|
c biS = _tileBiS(bi,bj) |
307 |
|
|
c bjS = _tileBjS(bi,bj) |
308 |
adcroft |
1.1 |
IF ( southCommMode .EQ. COMM_MSG ) THEN |
309 |
|
|
#ifdef ALLOW_USE_MPI |
310 |
|
|
#ifndef ALWAYS_USE_MPI |
311 |
|
|
IF ( usingMPI ) THEN |
312 |
|
|
#endif |
313 |
|
|
theProc = tilePidS(bi,bj) |
314 |
|
|
theTag = _tileTagRecvS(bi,bj) |
315 |
jmc |
1.5 |
theType = _MPI_TYPE_RL |
316 |
adcroft |
1.1 |
theSize = myd1 |
317 |
|
|
CALL MPI_Recv( arrayS(1,bi,bj), theSize, theType, |
318 |
|
|
& theProc, theTag, MPI_COMM_MODEL, |
319 |
|
|
& mpiStatus, mpiRc ) |
320 |
|
|
#ifndef ALWAYS_USE_MPI |
321 |
jmc |
1.5 |
ENDIF |
322 |
adcroft |
1.1 |
#endif |
323 |
|
|
#endif /* ALLOW_USE_MPI */ |
324 |
|
|
ENDIF |
325 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
326 |
|
|
write(ioUnit,'(A,5I6)') 'RECV_Y,1 :',myProcId,bi,bj |
327 |
|
|
#endif |
328 |
adcroft |
1.1 |
IF ( northCommMode .EQ. COMM_MSG ) THEN |
329 |
|
|
#ifdef ALLOW_USE_MPI |
330 |
|
|
#ifndef ALWAYS_USE_MPI |
331 |
|
|
IF ( usingMPI ) THEN |
332 |
|
|
#endif |
333 |
|
|
theProc = tilePidN(bi,bj) |
334 |
|
|
theTag = _tileTagRecvN(bi,bj) |
335 |
jmc |
1.5 |
theType = _MPI_TYPE_RL |
336 |
adcroft |
1.1 |
theSize = myd1 |
337 |
|
|
CALL MPI_Recv( arrayN(1,bi,bj), theSize, theType, |
338 |
|
|
& theProc, theTag, MPI_COMM_MODEL, |
339 |
|
|
& mpiStatus, mpiRc ) |
340 |
|
|
#ifndef ALWAYS_USE_MPI |
341 |
jmc |
1.5 |
ENDIF |
342 |
adcroft |
1.1 |
#endif |
343 |
|
|
#endif /* ALLOW_USE_MPI */ |
344 |
|
|
ENDIF |
345 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
346 |
|
|
write(ioUnit,'(A,5I6)') 'RECV_Y,2 :',myProcId,bi,bj |
347 |
|
|
#endif |
348 |
adcroft |
1.1 |
ENDDO |
349 |
|
|
ENDDO |
350 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
351 |
|
|
write(ioUnit,'(A,5I6,I12)') 'RECV_Y:',myProcId |
352 |
|
|
#endif |
353 |
adcroft |
1.1 |
|
354 |
jmc |
1.8 |
C-- Processes wait for buffers I am going to read to be ready. |
355 |
|
|
IF ( .NOT.exchUsesBarrier ) THEN |
356 |
|
|
DO bj=1,nSy |
357 |
|
|
DO bi=1,nSx |
358 |
|
|
IF ( exchNReqsY(1,bi,bj) .GT. 0 ) THEN |
359 |
|
|
#ifdef ALLOW_USE_MPI |
360 |
|
|
#ifndef ALWAYS_USE_MPI |
361 |
|
|
IF ( usingMPI ) THEN |
362 |
|
|
#endif |
363 |
|
|
CALL MPI_Waitall( exchNReqsY(1,bi,bj), exchReqIdY(1,1,bi,bj), |
364 |
|
|
& mpiStatus, mpiRC ) |
365 |
|
|
#ifndef ALWAYS_USE_MPI |
366 |
|
|
ENDIF |
367 |
|
|
#endif |
368 |
|
|
#endif /* ALLOW_USE_MPI */ |
369 |
|
|
ENDIF |
370 |
|
|
C Clear outstanding requests counter |
371 |
|
|
exchNReqsY(1,bi,bj) = 0 |
372 |
|
|
ENDDO |
373 |
|
|
ENDDO |
374 |
|
|
ENDIF |
375 |
|
|
|
376 |
|
|
_END_MASTER(myThid) |
377 |
|
|
|
378 |
|
|
C-- need to sync threads after master has received data ; |
379 |
|
|
C (done after mpi waitall in case waitall is really needed) |
380 |
|
|
_BARRIER |
381 |
|
|
|
382 |
|
|
C-- Threads wait for buffers I am going to read to be ready. |
383 |
|
|
C note: added BARRIER in exch_send_put S/R and here above (message |
384 |
|
|
C mode) so that we no longer needs this (undef EXCH_USE_SPINNING) |
385 |
|
|
#ifdef EXCH_USE_SPINNING |
386 |
adcroft |
1.1 |
IF ( exchUsesBarrier ) THEN |
387 |
|
|
C o On some machines ( T90 ) use system barrier rather than spinning. |
388 |
|
|
CALL BARRIER( myThid ) |
389 |
|
|
ELSE |
390 |
|
|
C o Spin waiting for completetion flag. This avoids a global-lock |
391 |
|
|
C i.e. we only lock waiting for data that we need. |
392 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
393 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
394 |
|
|
spinCount = 0 |
395 |
|
|
southCommMode = _tileCommModeS(bi,bj) |
396 |
|
|
northCommMode = _tileCommModeN(bi,bj) |
397 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
398 |
|
|
write(ioUnit,'(A,5I6,I12)') 'spin:', myProcId,bi,bj, |
399 |
|
|
& southRecvAck(1,bi,bj), northRecvAck(1,bi,bj), spinCount |
400 |
|
|
#endif |
401 |
adcroft |
1.1 |
10 CONTINUE |
402 |
jmc |
1.7 |
CALL FOOL_THE_COMPILER( spinCount ) |
403 |
adcroft |
1.1 |
spinCount = spinCount+1 |
404 |
jmc |
1.5 |
#ifdef DBUG_EXCH_VEC |
405 |
|
|
write(ioUnit,'(A,5I6,I12)') 'spin:', myProcId,bi,bj, |
406 |
|
|
& southRecvAck(1,bi,bj), northRecvAck(1,bi,bj), spinCount |
407 |
|
|
IF ( myThid.EQ.1 .AND. spinCount.GT. _EXCH_SPIN_LIMIT ) THEN |
408 |
|
|
STOP ' S/R EXCH_RECV_GET_X: spinCount > _EXCH_SPIN_LIMIT' |
409 |
|
|
ENDIF |
410 |
|
|
#endif |
411 |
|
|
IF ( southRecvAck(1,bi,bj) .EQ. 0 ) GOTO 10 |
412 |
|
|
IF ( northRecvAck(1,bi,bj) .EQ. 0 ) GOTO 10 |
413 |
adcroft |
1.1 |
C Clear outstanding requests |
414 |
jmc |
1.5 |
southRecvAck(1,bi,bj) = 0 |
415 |
|
|
northRecvAck(1,bi,bj) = 0 |
416 |
adcroft |
1.1 |
ENDDO |
417 |
|
|
ENDDO |
418 |
|
|
ENDIF |
419 |
jmc |
1.8 |
#endif /* EXCH_USE_SPINNING */ |
420 |
adcroft |
1.1 |
|
421 |
|
|
RETURN |
422 |
|
|
END |