/[MITgcm]/MITgcm/model/src/write_state.F
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Contents of /MITgcm/model/src/write_state.F

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Revision 1.46 - (show annotations) (download)
Sun Oct 10 06:08:48 2004 UTC (19 years, 8 months ago) by edhill
Branch: MAIN
Changes since 1.45: +1 -4 lines
 o move useMNC and related runtime switches to PARAMS.h

1 C $Header: /u/gcmpack/MITgcm/model/src/write_state.F,v 1.45 2004/10/07 01:48:07 edhill Exp $
2 C $Name: $
3
4 #include "PACKAGES_CONFIG.h"
5 #include "CPP_OPTIONS.h"
6
7 #undef MULTIPLE_RECORD_STATE_FILES
8
9 C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|
10 CBOP
11 C !ROUTINE: WRITE_STATE
12
13 C !INTERFACE:
14 SUBROUTINE WRITE_STATE ( myTime, myIter, myThid )
15
16 C !DESCRIPTION:
17 C This is the controlling routine for writing mid-level IO. It
18 C includes code for diagnosing W and RHO for output.
19
20 C The CPP flag (MULTIPLE_RECORD_STATE_FILES) is #define/#undefed
21 C here since it is specific to this routine and very user-preference
22 C specific. If #undefed (default) the state files are written as in
23 C all versions prior to checkpoint32, where a file is created per
24 C variable, per time and per tile. This *has* to be the default
25 C because most users use this mode and all utilities and scripts
26 C (diagnostic) assume this form. It is also robust, as explained
27 C below.
28 C
29 C If #defined, subsequent snap-shots are written as records in the
30 C same file (no iteration number in filenames). The main advantage
31 C is fewer files. The disadvantages are that:
32 C (1) it breaks a lot of diagnostic scripts,
33 C (2) for large or long problems this creates huge files,
34 C (3) its an unexpected, unsolicited change in behaviour which
35 C came as a surprise (in c32) and is an inconvenience to
36 C several users
37 C (4) it can not accomodate changing the frequency of output
38 C after a pickup (this is trivial in previous method but
39 C needs new code and parameters in this new method)
40 C
41 C Known Bugs include:
42 C (1) if the length of integration is not exactly an integer
43 C times the output frequency then the last record written
44 C (at end of integration) overwrites a previously written
45 C record corresponding to an earier time. *BE WARNED*
46
47 C !USES:
48 IMPLICIT NONE
49 #include "SIZE.h"
50 #include "EEPARAMS.h"
51 #include "PARAMS.h"
52 #include "DYNVARS.h"
53 #include "GRID.h"
54 #include "EOS.h"
55
56 LOGICAL DIFFERENT_MULTIPLE
57 EXTERNAL DIFFERENT_MULTIPLE
58 INTEGER IO_ERRCOUNT
59 EXTERNAL IO_ERRCOUNT
60
61 C !INPUT/OUTPUT PARAMETERS:
62 C myThid - Thread number for this instance of the routine.
63 C myIter - Iteration number
64 C myTime - Current time of simulation ( s )
65 _RL myTime
66 INTEGER myThid
67 INTEGER myIter
68
69 C !LOCAL VARIABLES:
70 CHARACTER*(MAX_LEN_MBUF) suff
71 INTEGER iRec
72 CEOP
73
74 IF (
75 & DIFFERENT_MULTIPLE(dumpFreq,myTime,
76 & myTime-deltaTClock) .OR.
77 & myTime.EQ.endTime .OR.
78 & myTime.EQ.startTime
79 & ) THEN
80 IF ( dumpFreq .EQ. 0.0 ) THEN
81 iRec = 1
82 ELSE
83 iRec = int ( (myTime-startTime) / dumpFreq +1.5 )
84 ENDIF
85
86 C Going to really do some IO. Make everyone except master thread wait.
87 _BARRIER
88 _BEGIN_MASTER( myThid )
89
90 C Write model fields
91 IF (snapshot_mdsio) THEN
92
93 #ifdef MULTIPLE_RECORD_STATE_FILES
94
95 C Write each snap-shot as a new record in one file per variable
96 C - creates relatively few files but these files can become huge
97 CALL WRITE_REC_XYZ_RL( 'U', uVel,iRec,myIter,myThid)
98 CALL WRITE_REC_XYZ_RL( 'V', vVel,iRec,myIter,myThid)
99 CALL WRITE_REC_XYZ_RL( 'T', theta,iRec,myIter,myThid)
100 CALL WRITE_REC_XYZ_RL( 'S', salt,iRec,myIter,myThid)
101 CALL WRITE_REC_XY_RL('Eta',etaN,iRec,myIter,myThid)
102 CALL WRITE_REC_XYZ_RL( 'W',wVel,iRec,myIter,myThid)
103 #ifdef ALLOW_NONHYDROSTATIC
104 IF (nonHydroStatic) THEN
105 CALL WRITE_REC_XYZ_RL( 'PNH',phi_nh,iRec,myIter,myThid)
106 ENDIF
107 #endif /* ALLOW_NONHYDROSTATIC */
108 #ifdef NONLIN_FRSURF
109 c CALL WRITE_REC_XYZ_RS('hFacC.',hFacC,iRec,myIter,myThid)
110 c CALL WRITE_REC_XYZ_RS('hFacW.',hFacW,iRec,myIter,myThid)
111 c CALL WRITE_REC_XYZ_RS('hFacS.',hFacS,iRec,myIter,myThid)
112 #endif /* NONLIN_FRSURF */
113
114 #else /* MULTIPLE_RECORD_STATE_FILES */
115
116 C Write each snap-shot as a new file (original and default
117 C method) -- creates many files but for large configurations is
118 C easier to transfer analyse a particular snap-shots
119 WRITE(suff,'(I10.10)') myIter
120 CALL WRITE_FLD_XYZ_RL( 'U.',suff,uVel,myIter,myThid)
121 CALL WRITE_FLD_XYZ_RL( 'V.',suff,vVel,myIter,myThid)
122 CALL WRITE_FLD_XYZ_RL( 'T.',suff,theta,myIter,myThid)
123 CALL WRITE_FLD_XYZ_RL( 'S.',suff,salt,myIter,myThid)
124 CALL WRITE_FLD_XY_RL('Eta.',suff,etaN,myIter,myThid)
125 CALL WRITE_FLD_XYZ_RL( 'W.',suff,wVel,myIter,myThid)
126 IF ( useDynP_inEos_Zc .OR. myIter.NE.nIter0 ) THEN
127 CALL WRITE_FLD_XYZ_RL('PH.',suff,totPhiHyd,myIter,myThid)
128 ENDIF
129 IF ((buoyancyRelation.NE.'ATMOSPHERIC')
130 & .AND. (myIter.NE.nIter0)) THEN
131 CALL WRITE_FLD_XY_RL('PHL.',suff,phiHydLow,myIter,myThid)
132 ENDIF
133 #ifdef ALLOW_NONHYDROSTATIC
134 IF (nonHydroStatic) THEN
135 CALL WRITE_FLD_XYZ_RL( 'PNH.',suff,phi_nh,myIter,myThid)
136 ENDIF
137 #endif /* ALLOW_NONHYDROSTATIC */
138 #ifdef NONLIN_FRSURF
139 c CALL WRITE_FLD_XYZ_RS('hFacC.',suff,hFacC,myIter,myThid)
140 c CALL WRITE_FLD_XYZ_RS('hFacW.',suff,hFacW,myIter,myThid)
141 c CALL WRITE_FLD_XYZ_RS('hFacS.',suff,hFacS,myIter,myThid)
142 #endif /* NONLIN_FRSURF */
143
144 #endif /* MULTIPLE_RECORD_STATE_FILES */
145
146 ENDIF
147
148 #ifdef ALLOW_PTRACERS
149 IF (usePTRACERS) THEN
150 CALL PTRACERS_WRITE_STATE(myIter,myTime,myThid)
151 ENDIF
152 #endif /* ALLOW_PTRACERS */
153 _END_MASTER( myThid )
154 _BARRIER
155
156 #ifdef ALLOW_MNC
157 IF (useMNC .AND. snapshot_mnc) THEN
158 C Write dynvars using the MNC package
159 CALL MNC_CW_SET_UDIM('state', -1, myThid)
160 CALL MNC_CW_I_W_S('I','state',0,0,'iter', myIter, myThid)
161 CALL MNC_CW_SET_UDIM('state', 0, myThid)
162 CALL MNC_CW_RL_W_S('D','state',0,0,'model_time',myTime,myThid)
163 CALL MNC_CW_RL_W('D','state',0,0,'U', uVel, myThid)
164 CALL MNC_CW_RL_W('D','state',0,0,'V', vVel, myThid)
165 CALL MNC_CW_RL_W('D','state',0,0,'Temp', theta, myThid)
166 CALL MNC_CW_RL_W('D','state',0,0,'S', salt, myThid)
167 CALL MNC_CW_RL_W('D','state',0,0,'Eta', etaN, myThid)
168 CALL MNC_CW_RL_W('D','state',0,0,'W', wVel, myThid)
169 IF ( useDynP_inEos_Zc .OR. myIter.NE.nIter0 ) THEN
170 CALL MNC_CW_SET_UDIM('phiHyd', -1, myThid)
171 CALL MNC_CW_I_W_S('I','phiHyd',0,0,'iter',myIter,myThid)
172 CALL MNC_CW_SET_UDIM('phiHyd', 0, myThid)
173 CALL MNC_CW_RL_W('D','phiHyd',0,0,'phiHyd',
174 & totPhiHyd, myThid)
175 ENDIF
176 IF ((buoyancyRelation .NE. 'ATMOSPHERIC')
177 & .AND. (myIter .NE. nIter0)) THEN
178 CALL MNC_CW_SET_UDIM('phiHydLow', -1, myThid)
179 CALL MNC_CW_I_W_S('I','phiHydLow',0,0,'iter',myIter,myThid)
180 CALL MNC_CW_SET_UDIM('phiHydLow', 0, myThid)
181 CALL MNC_CW_RL_W('D','phiHydLow',0,0,'phiHydLow',
182 & phiHydLow, myThid)
183 ENDIF
184 #ifdef ALLOW_NONHYDROSTATIC
185 IF (nonHydroStatic) THEN
186 CALL MNC_CW_RL_W('D','state',0,0,'phi_nh',phi_nh,myThid)
187 ENDIF
188 #endif /* ALLOW_NONHYDROSTATIC */
189 ENDIF
190 #endif /* ALLOW_MNC */
191
192 ENDIF
193
194 RETURN
195 END

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