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

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Revision 1.39 - (show annotations) (download)
Wed May 12 17:12:53 2004 UTC (20 years ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint53d_post, checkpoint53c_post, checkpoint53g_post, checkpoint53f_post, checkpoint53b_pre, checkpoint53b_post, checkpoint53d_pre
Changes since 1.38: +1 -3 lines
Deleting redundent comments

1 C $Header: /u/gcmpack/MITgcm/model/src/write_state.F,v 1.38 2004/03/24 15:29:33 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 CBOP
10 C !ROUTINE: WRITE_STATE
11 C !INTERFACE:
12 SUBROUTINE WRITE_STATE ( myTime, myIter, myThid )
13 C !DESCRIPTION: \bv
14 C *==========================================================*
15 C | SUBROUTINE WRITE_STATE
16 C | o Controlling routine for IO to dump model state.
17 C *==========================================================*
18 C | Write model state files for post-processing. This file
19 C | includes code for diagnosing W and RHO for output.
20 C | File write_state.F: Routines to handle mid-level I/O
21 C | interface.
22 C | o WRITE_STATE - Write out model state.
23 C | The following CPP flag (MULTIPLE_RECORD_STATE_FILES) is
24 C | #define/#undefed here since it is specific to this routine
25 C | and very user-preference specific.
26 C |
27 C | If #undefed (default) the state files are written as in all versions
28 C | prior to checkpoint32, where a file is created per variable, per time
29 C | and per tile. This *has* to be the default because most users use this
30 C | mode and all utilities and scripts (diagnostic) assume this form.
31 C | It is also robust, as explained below.
32 C |
33 C | If #defined, subsequent snap-shots are written as records in the
34 C | same file (no iteration number in filenames).
35 C | Advantages: - fewer files
36 C | - for small problems, is easy to copy the output around
37 C | Disadvantages:
38 C | - breaks a lot of diagnostic scripts
39 C | - for large or long problems this creates huge files
40 C | - is an unexpected, unsolicited change in behaviour which came
41 C | as a surprise (in c32) and inconvenience to several users
42 C | - can not accomodate changing the frequency of output
43 C | after a pickup (this is trivial in previous method
44 C | but needs new code and parameters in this new method)
45 C | Known Bugs:
46 C | - if the length of integration is not exactly an integer
47 C | times the output frequency then the last record written
48 C | (at end of integration) overwrites a previously written
49 C | record corresponding to an earier time. *BE WARNED*
50 C *==========================================================*
51 C \ev
52
53 C !USES:
54 IMPLICIT NONE
55 C == Global variables ===
56 #include "SIZE.h"
57 #include "EEPARAMS.h"
58 #include "PARAMS.h"
59 #include "DYNVARS.h"
60 #include "GRID.h"
61 #include "EOS.h"
62 #ifdef ALLOW_PASSIVE_TRACER
63 #include "TR1.h"
64 #endif
65 LOGICAL DIFFERENT_MULTIPLE
66 EXTERNAL DIFFERENT_MULTIPLE
67 INTEGER IO_ERRCOUNT
68 EXTERNAL IO_ERRCOUNT
69
70 C !INPUT/OUTPUT PARAMETERS:
71 C myThid - Thread number for this instance of the routine.
72 C myIter - Iteration number
73 C myTime - Current time of simulation ( s )
74 _RL myTime
75 INTEGER myThid
76 INTEGER myIter
77
78 C !LOCAL VARIABLES:
79 CHARACTER*(MAX_LEN_MBUF) suff
80 INTEGER iRec
81 #ifdef ALLOW_MNC
82 _RL mnc_iter
83 #endif
84 CEOP
85
86 IF (
87 & DIFFERENT_MULTIPLE(dumpFreq,myTime,
88 & myTime-deltaTClock) .OR.
89 & myTime.EQ.endTime .OR.
90 & myTime.EQ.startTime
91 & ) THEN
92 IF ( dumpFreq .EQ. 0.0 ) THEN
93 iRec = 1
94 ELSE
95 iRec = int ( (myTime-startTime) / dumpFreq +1.5 )
96 ENDIF
97
98 C-- Going to really do some IO. Make everyone except master thread wait.
99 _BARRIER
100 _BEGIN_MASTER( myThid )
101
102 C-- Write model fields
103
104 #ifdef MULTIPLE_RECORD_STATE_FILES
105
106 C Write each snap-shot as a new record in one file per variable
107 C - creates relatively few files but these files can become huge
108 CALL WRITE_REC_XYZ_RL( 'U', uVel,iRec,myIter,myThid)
109 CALL WRITE_REC_XYZ_RL( 'V', vVel,iRec,myIter,myThid)
110 CALL WRITE_REC_XYZ_RL( 'T', theta,iRec,myIter,myThid)
111 CALL WRITE_REC_XYZ_RL( 'S', salt,iRec,myIter,myThid)
112 CALL WRITE_REC_XY_RL('Eta',etaN,iRec,myIter,myThid)
113 CALL WRITE_REC_XYZ_RL( 'W',wVel,iRec,myIter,myThid)
114 #ifdef ALLOW_PASSIVE_TRACER
115 ceh3 needs an IF ( usePASSIVE_TRACER ) THEN
116 CALL WRITE_REC_XYZ_RL( 'TR1',tr1,iRec,myIter,myThid)
117 #endif /* ALLOW_PASSIVE_TRACER */
118 #ifdef ALLOW_NONHYDROSTATIC
119 IF (nonHydroStatic) THEN
120 CALL WRITE_REC_XYZ_RL( 'PNH',phi_nh,iRec,myIter,myThid)
121 ENDIF
122 #endif /* ALLOW_NONHYDROSTATIC */
123 #ifdef NONLIN_FRSURF
124 c CALL WRITE_REC_XYZ_RS('hFacC.',hFacC,iRec,myIter,myThid)
125 c CALL WRITE_REC_XYZ_RS('hFacW.',hFacW,iRec,myIter,myThid)
126 c CALL WRITE_REC_XYZ_RS('hFacS.',hFacS,iRec,myIter,myThid)
127 #endif /* NONLIN_FRSURF */
128
129 #else /* MULTIPLE_RECORD_STATE_FILES */
130
131 C Write each snap-shot as a new file (original and default method)
132 C - creates many files but for large configurations is easier to
133 C transfer analyse a particular snap-shots
134 WRITE(suff,'(I10.10)') myIter
135 CALL WRITE_FLD_XYZ_RL( 'U.',suff,uVel,myIter,myThid)
136 CALL WRITE_FLD_XYZ_RL( 'V.',suff,vVel,myIter,myThid)
137 CALL WRITE_FLD_XYZ_RL( 'T.',suff,theta,myIter,myThid)
138 CALL WRITE_FLD_XYZ_RL( 'S.',suff,salt,myIter,myThid)
139 CALL WRITE_FLD_XY_RL('Eta.',suff,etaN,myIter,myThid)
140 CALL WRITE_FLD_XYZ_RL( 'W.',suff,wVel,myIter,myThid)
141 IF ( useDynP_inEos_Zc .OR. myIter.NE.nIter0 )
142 & CALL WRITE_FLD_XYZ_RL( 'PH.',suff,totPhiHyd,myIter,myThid)
143 IF (buoyancyRelation.NE.'ATMOSPHERIC' .AND. myIter.NE.nIter0)
144 & CALL WRITE_FLD_XY_RL('PHL.',suff,phiHydLow,myIter,myThid)
145 #ifdef ALLOW_PASSIVE_TRACER
146 ceh3 needs an IF ( usePASSIVE_TRACER ) THEN
147 CALL WRITE_FLD_XYZ_RL( 'TR1.',suff,tr1,myIter,myThid)
148 #endif
149 #ifdef ALLOW_NONHYDROSTATIC
150 IF (nonHydroStatic) THEN
151 CALL WRITE_FLD_XYZ_RL( 'PNH.',suff,phi_nh,myIter,myThid)
152 ENDIF
153 #endif /* ALLOW_NONHYDROSTATIC */
154 #ifdef NONLIN_FRSURF
155 c CALL WRITE_FLD_XYZ_RS('hFacC.',suff,hFacC,myIter,myThid)
156 c CALL WRITE_FLD_XYZ_RS('hFacW.',suff,hFacW,myIter,myThid)
157 c CALL WRITE_FLD_XYZ_RS('hFacS.',suff,hFacS,myIter,myThid)
158 #endif /* NONLIN_FRSURF */
159
160 #endif /* MULTIPLE_RECORD_STATE_FILES */
161
162 #ifdef ALLOW_PTRACERS
163 IF (usePTRACERS) CALL PTRACERS_WRITE_STATE(myIter,myTime,myThid)
164 #endif /* ALLOW_PTRACERS */
165 _END_MASTER( myThid )
166 _BARRIER
167
168 #ifdef ALLOW_MNC
169 IF (useMNC) THEN
170 C Write dynvars using the MNC package
171 mnc_iter = myIter
172 CALL MNC_CW_SET_UDIM('state', -1, myThid)
173 CALL MNC_CW_RL_W('D','state',0,0,'iter',mnc_iter, myThid)
174 CALL MNC_CW_SET_UDIM('state', 0, myThid)
175 CALL MNC_CW_RL_W('D','state',0,0,'model_time',myTime, myThid)
176 CALL MNC_CW_RL_W('D','state',0,0,'U', uVel, myThid)
177 CALL MNC_CW_RL_W('D','state',0,0,'V', vVel, myThid)
178 CALL MNC_CW_RL_W('D','state',0,0,'T', theta, myThid)
179 CALL MNC_CW_RL_W('D','state',0,0,'S', salt, myThid)
180 CALL MNC_CW_RL_W('D','state',0,0,'Eta', etaN, myThid)
181 CALL MNC_CW_RL_W('D','state',0,0,'W', wVel, myThid)
182 IF ( useDynP_inEos_Zc .OR. myIter.NE.nIter0 ) THEN
183 CALL MNC_CW_SET_UDIM('totPhiHyd', -1, myThid)
184 CALL MNC_CW_RL_W('R','totPhiHyd',0,0,'iter',mnc_iter,myThid)
185 CALL MNC_CW_SET_UDIM('totPhiHyd', 0, myThid)
186 CALL MNC_CW_RL_W('D','totPhiHyd',0,0,'totPhiHyd',
187 & totPhiHyd, myThid)
188 ENDIF
189 IF ((buoyancyRelation .NE. 'ATMOSPHERIC')
190 & .AND. (myIter .NE. nIter0)) THEN
191 CALL MNC_CW_SET_UDIM('phiHydLow', -1, myThid)
192 CALL MNC_CW_RL_W('D','phiHydLow',0,0,'iter',mnc_iter,myThid)
193 CALL MNC_CW_SET_UDIM('phiHydLow', 0, myThid)
194 CALL MNC_CW_RL_W('D','phiHydLow',0,0,'phiHydLow',
195 & phiHydLow, myThid)
196 ENDIF
197 #ifdef ALLOW_PASSIVE_TRACER
198 CALL MNC_CW_RL_W('D','state',0,0,'tr1', tr1, myThid)
199 #endif /* ALLOW_PASSIVE_TRACER */
200 #ifdef ALLOW_NONHYDROSTATIC
201 IF (nonHydroStatic) THEN
202 CALL MNC_CW_RL_W('D','state',0,0,'phi_nh', phi_nh, myThid)
203 ENDIF
204 #endif /* ALLOW_NONHYDROSTATIC */
205 ENDIF
206 #endif /* ALLOW_MNC */
207
208 ENDIF
209
210 RETURN
211 END

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