1 |
C $Header: /u/gcmpack/MITgcm/pkg/exch2/exch2_send_rx1.template,v 1.5 2005/07/24 01:21:36 jmc Exp $ |
2 |
C $Name: $ |
3 |
|
4 |
#include "CPP_EEOPTIONS.h" |
5 |
#include "W2_OPTIONS.h" |
6 |
|
7 |
SUBROUTINE EXCH2_SEND_RX1 ( |
8 |
I tIlo, tIhi, tiStride, |
9 |
I tJlo, tJhi, tjStride, |
10 |
I tKlo, tKhi, tkStride, |
11 |
I thisTile, nN, |
12 |
I e2Bufr1_RX, e2BufrRecSize, |
13 |
I array, |
14 |
I i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi, |
15 |
O e2_msgHandle, |
16 |
I commSetting, myThid ) |
17 |
|
18 |
IMPLICIT NONE |
19 |
|
20 |
#include "SIZE.h" |
21 |
#include "EEPARAMS.h" |
22 |
#include "EESUPPORT.h" |
23 |
#include "W2_EXCH2_TOPOLOGY.h" |
24 |
|
25 |
C === Routine arguments === |
26 |
INTEGER tILo, tIHi, tiStride |
27 |
INTEGER tJLo, tJHi, tjStride |
28 |
INTEGER tKLo, tKHi, tkStride |
29 |
INTEGER i1Lo, i1Hi, j1Lo, j1Hi, k1Lo, k1Hi |
30 |
INTEGER thisTile, nN |
31 |
INTEGER e2BufrRecSize |
32 |
_RX e2Bufr1_RX( e2BufrRecSize ) |
33 |
_RX array(i1Lo:i1Hi,j1Lo:j1Hi,k1Lo:k1Hi) |
34 |
INTEGER e2_msgHandle(1) |
35 |
INTEGER myThid |
36 |
CHARACTER commSetting |
37 |
|
38 |
C == Local variables == |
39 |
C itl, jtl, ktl :: Loop counters |
40 |
C :: itl etc... target local |
41 |
C :: itc etc... target canonical |
42 |
C :: isl etc... source local |
43 |
C :: isc etc... source canonical |
44 |
INTEGER itl, jtl, ktl |
45 |
INTEGER itc, jtc |
46 |
INTEGER isc, jsc |
47 |
INTEGER isl, jsl |
48 |
c INTEGER ktc, ksc, ksl |
49 |
C tt :: Target tile |
50 |
C itb, jtb :: Target local to canonical offsets |
51 |
C |
52 |
INTEGER tt |
53 |
INTEGER itb, jtb |
54 |
INTEGER isb, jsb |
55 |
INTEGER pi(2), pj(2), oi, oj |
56 |
INTEGER iBufr |
57 |
|
58 |
C MPI setup |
59 |
#ifdef ALLOW_USE_MPI |
60 |
INTEGER theTag, theType, theHandle |
61 |
INTEGER sProc, tProc, mpiRc |
62 |
#endif |
63 |
#ifdef W2_E2_DEBUG_ON |
64 |
CHARACTER*(MAX_LEN_MBUF) messageBuffer |
65 |
#endif |
66 |
|
67 |
IF ( commSetting .EQ. 'P' ) THEN |
68 |
C Need to check that buffer synchronisation token is decremented |
69 |
C before filling buffer. |
70 |
ENDIF |
71 |
|
72 |
tt=exch2_neighbourId(nN, thisTile ) |
73 |
itb=exch2_tbasex(tt) |
74 |
jtb=exch2_tbasey(tt) |
75 |
isb=exch2_tbasex(thisTile) |
76 |
jsb=exch2_tbasey(thisTile) |
77 |
pi(1)=exch2_pi(1,nN,thisTile) |
78 |
pi(2)=exch2_pi(2,nN,thisTile) |
79 |
pj(1)=exch2_pj(1,nN,thisTile) |
80 |
pj(2)=exch2_pj(2,nN,thisTile) |
81 |
oi=exch2_oi(nN,thisTile) |
82 |
oj=exch2_oj(nN,thisTile) |
83 |
iBufr=0 |
84 |
#ifdef W2_E2_DEBUG_ON |
85 |
WRITE(messageBuffer,'(A,I4,A,I4)') 'EXCH2_SEND_RX1 sourceTile= ', |
86 |
& thisTile, |
87 |
& 'targetTile= ',tt |
88 |
CALL PRINT_MESSAGE(messageBuffer, |
89 |
I standardMessageUnit,SQUEEZE_BOTH, |
90 |
I myThid) |
91 |
#endif /* W2_E2_DEBUG_ON */ |
92 |
DO ktl=tKlo,tKhi,tKStride |
93 |
DO jtl=tJLo, tJHi, tjStride |
94 |
DO itl=tILo, tIHi, tiStride |
95 |
iBufr=iBufr+1 |
96 |
itc=itl+itb |
97 |
jtc=jtl+jtb |
98 |
isc=pi(1)*itc+pi(2)*jtc+oi |
99 |
jsc=pj(1)*itc+pj(2)*jtc+oj |
100 |
isl=isc-isb |
101 |
jsl=jsc-jsb |
102 |
e2Bufr1_RX(iBufr)=array(isl,jsl,ktl) |
103 |
#ifdef W2_E2_DEBUG_ON |
104 |
WRITE(messageBuffer,'(A,2I4)') |
105 |
& 'EXCH2_SEND_RX1 target t(itl,jtl) = ', itl, jtl |
106 |
CALL PRINT_MESSAGE(messageBuffer, |
107 |
I standardMessageUnit,SQUEEZE_RIGHT, |
108 |
I myThid) |
109 |
WRITE(messageBuffer,'(A,2I4)') |
110 |
& ' source (isl,jsl) = ', isl, jsl |
111 |
CALL PRINT_MESSAGE(messageBuffer, |
112 |
I standardMessageUnit,SQUEEZE_RIGHT, |
113 |
I myThid) |
114 |
IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
115 |
WRITE(messageBuffer,'(A,2I4)') |
116 |
& ' *** isl is out of bounds' |
117 |
CALL PRINT_MESSAGE(messageBuffer, |
118 |
I standardMessageUnit,SQUEEZE_RIGHT, |
119 |
I myThid) |
120 |
ENDIF |
121 |
IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
122 |
WRITE(messageBuffer,'(A,2I4)') |
123 |
& ' *** jsl is out of bounds' |
124 |
CALL PRINT_MESSAGE(messageBuffer, |
125 |
I standardMessageUnit,SQUEEZE_RIGHT, |
126 |
I myThid) |
127 |
ENDIF |
128 |
#endif /* W2_E2_DEBUG_ON */ |
129 |
#ifdef W2_USE_E2_SAFEMODE |
130 |
IF ( iBufr .GT. e2BufrRecSize ) THEN |
131 |
C Ran off end of buffer. This should not happen |
132 |
STOP 'EXCH2_SEND_RX1:: E2BUFR LIMIT EXCEEDED' |
133 |
ENDIF |
134 |
IF ( isl .LT. i1Lo .OR. isl .GT. i1Hi ) THEN |
135 |
C Forward mode send getting from points outside of the |
136 |
C tiles exclusive domain bounds in X. This should not happen |
137 |
STOP 'EXCH2_SEND_RX1:: ISL OUTSIDE TILE EXCLUSIVE DOMAIN' |
138 |
ENDIF |
139 |
IF ( jsl .LT. j1Lo .OR. jsl .GT. j1Hi ) THEN |
140 |
C Forward mode send getting from points outside of the |
141 |
C tiles exclusive domain bounds in Y. This should not happen |
142 |
STOP 'EXCH2_SEND_RX1:: JSL OUTSIDE TILE EXCLUSIVE DOMAIN' |
143 |
ENDIF |
144 |
#endif /* W2_USE_E2_SAFEMODE */ |
145 |
ENDDO |
146 |
ENDDO |
147 |
ENDDO |
148 |
|
149 |
C Do data transport depending on communication mechanism between source and target tile |
150 |
IF ( commSetting .EQ. 'P' ) THEN |
151 |
C Need to set data ready assertion (increment buffer synchronisation token) |
152 |
C for multithreaded mode, for now do nothing i.e. assume only one thread per process. |
153 |
ELSEIF ( commSetting .EQ. 'M' ) THEN |
154 |
#ifdef ALLOW_USE_MPI |
155 |
C Setup MPI stuff here |
156 |
theTag = (thisTile-1)*MAX_NEIGHBOURS + nN |
157 |
& + 10000*( |
158 |
& (tt-1)*MAX_NEIGHBOURS + nN |
159 |
& ) |
160 |
tProc = exch2_tProc(tt)-1 |
161 |
sProc = exch2_tProc(thisTile)-1 |
162 |
theType = MPI_REAL8 |
163 |
#ifdef W2_E2_DEBUG_ON |
164 |
WRITE(messageBuffer,'(A,I4,A,I4,A)') ' SEND FROM TILE=', |
165 |
& thisTile, ' (proc = ',sProc,')' |
166 |
CALL PRINT_MESSAGE(messageBuffer, |
167 |
I standardMessageUnit,SQUEEZE_RIGHT, |
168 |
I myThid) |
169 |
WRITE(messageBuffer,'(A,I4,A,I4,A)') ' TO TILE=', tt, |
170 |
& ' (proc = ',tProc,')' |
171 |
CALL PRINT_MESSAGE(messageBuffer, |
172 |
I standardMessageUnit,SQUEEZE_RIGHT, |
173 |
I myThid) |
174 |
WRITE(messageBuffer,'(A,I10)') ' TAG=', theTag |
175 |
CALL PRINT_MESSAGE(messageBuffer, |
176 |
I standardMessageUnit,SQUEEZE_RIGHT, |
177 |
I myThid) |
178 |
WRITE(messageBuffer,'(A,I4)') ' NEL=', iBufr |
179 |
CALL PRINT_MESSAGE(messageBuffer, |
180 |
I standardMessageUnit,SQUEEZE_RIGHT, |
181 |
I myThid) |
182 |
#endif /* W2_E2_DEBUG_ON */ |
183 |
CALL MPI_Isend( e2Bufr1_RX, iBufr, theType, |
184 |
I tProc, theTag, MPI_COMM_MODEL, |
185 |
O theHandle, mpiRc ) |
186 |
C Store MPI_Wait token in messageHandle. |
187 |
e2_msgHandle(1) = theHandle |
188 |
#endif |
189 |
ELSE |
190 |
STOP 'EXCH2_SEND_RX1:: commSetting VALUE IS INVALID' |
191 |
ENDIF |
192 |
|
193 |
RETURN |
194 |
END |
195 |
|
196 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
197 |
|
198 |
CEH3 ;;; Local Variables: *** |
199 |
CEH3 ;;; mode:fortran *** |
200 |
CEH3 ;;; End: *** |