/[MITgcm]/MITgcm/model/src/write_state.F
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revision 1.1 by adcroft, Wed May 5 18:32:35 1999 UTC revision 1.56 by edhill, Thu Sep 29 01:54:17 2005 UTC
# Line 1  Line 1 
1  C $Header$  C $Header$
2    C $Name$
3    
4    #include "PACKAGES_CONFIG.h"
5  #include "CPP_OPTIONS.h"  #include "CPP_OPTIONS.h"
6    
7  C--  File read_write.F: Routines to handle mid-level I/O interface.  #undef  MULTIPLE_RECORD_STATE_FILES
 C--   Contents  
 C--   o WRITE_STATE - Write out model state.  
   
 CStartofinterface  
       SUBROUTINE WRITE_STATE ( forceOutput, myCurrentTime,  
      &    myIter, myThid )  
 C     /==========================================================\  
 C     | SUBROUTINE WRITE_STATE                                   |  
 C     | o Controlling routine for IO to dump model state.        |  
 C     |==========================================================|  
 C     | Write model state files for post-processing. This file   |  
 C     | includes code for diagnosing W and RHO for output.       |  
 C     \==========================================================/  
       IMPLICIT NONE  
8    
9  C     == Global variables ===  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"  #include "SIZE.h"
50  #include "EEPARAMS.h"  #include "EEPARAMS.h"
51  #include "PARAMS.h"  #include "PARAMS.h"
52  #include "DYNVARS.h"  #ifdef ALLOW_MNC
53  #include "CG2D.h"  #include "MNC_PARAMS.h"
 #ifdef ALLOW_NONHYDROSTATIC  
 #include "CG3D.h"  
 #include "GW.h"  
54  #endif  #endif
55    #include "DYNVARS.h"
56    #include "GRID.h"
57    #include "EOS.h"
58    
59        LOGICAL  DIFFERENT_MULTIPLE        LOGICAL  DIFFERENT_MULTIPLE
60        EXTERNAL DIFFERENT_MULTIPLE        EXTERNAL DIFFERENT_MULTIPLE
61        INTEGER  IO_ERRCOUNT        INTEGER  IO_ERRCOUNT
62        EXTERNAL IO_ERRCOUNT        EXTERNAL IO_ERRCOUNT
63    
64  C     == Routine arguments ==  C     !INPUT/OUTPUT PARAMETERS:
65  C     myThid - Thread number for this instance of the routine.  C     myThid - Thread number for this instance of the routine.
66  C     myIter - Iteration number  C     myIter - Iteration number
67  C     myCurrentTime - Current time of simulation ( s )  C     myTime - Current time of simulation ( s )
68        LOGICAL forceOutput        _RL     myTime
       REAL    myCurrentTime  
69        INTEGER myThid        INTEGER myThid
70        INTEGER myIter        INTEGER myIter
 CEndofinterface  
71    
72  C     == Local variables ==  C     !LOCAL VARIABLES:
 C     suff - Hold suffix part of a filename  
 C     beginIOErrCount - Begin and end IO error counts  
 C     endIOErrCount  
 C     msgBuf - Error message buffer  
       INTEGER beginIOErrCount  
       INTEGER endIOErrCount  
       CHARACTER*(MAX_LEN_MBUF) msgBuf  
73        CHARACTER*(MAX_LEN_MBUF) suff        CHARACTER*(MAX_LEN_MBUF) suff
74        CHARACTER*(80) fName        CHARACTER*(1) pf
75          INTEGER iRec
76    CEOP
77    
78        IF (        IF (
79       &  ( DIFFERENT_MULTIPLE(dumpFreq,myCurrentTime,       &     DIFFERENT_MULTIPLE(dumpFreq,myTime,deltaTClock)
80       &    myCurrentTime-deltaTClock) .AND. myCurrentTime.NE.startTime )       &  .OR. dumpInitAndLast.AND.( myTime.EQ.endTime .OR.
81       &  .OR. forceOutput       &                             myTime.EQ.startTime  )
82       & ) THEN       &   ) THEN
83            IF ( dumpFreq .EQ. 0.0 ) THEN
84  C--    Going to really do some IO. Make everyone except master thread wait.            iRec = 1
85         _BARRIER          ELSE
86         _BEGIN_MASTER( myThid )            iRec = int ( (myTime-startTime) / dumpFreq +1.5 )
   
         WRITE(suff,'(I10.10)') myIter  
   
 C--     Write model fields  
         CALL WRITE_FLD_XYZ_RL( 'U.',suff,uVel,myIter,myThid)  
         CALL WRITE_FLD_XYZ_RL( 'V.',suff,vVel,myIter,myThid)  
         CALL WRITE_FLD_XYZ_RL( 'T.',suff,theta,myIter,myThid)  
         CALL WRITE_FLD_XYZ_RL( 'S.',suff,salt,myIter,myThid)  
         CALL WRITE_FLD_XY_RL( 'PS.',suff,cg2d_x,myIter,myThid)  
   
 #ifdef ALLOW_NONHYDROSTATIC  
         IF (nonHydroStatic) THEN  
          CALL WRITE_FLD_XYZ_RL( 'PNH.',suff,cg3d_x,myIter,myThid)  
87          ENDIF          ENDIF
88          CALL WRITE_FLD_XYZ_RL( 'W.',suff,wVel,myIter,myThid)          
89  #endif  C       Going to really do some IO. Make everyone except master thread wait.
90            _BARRIER
91            _BEGIN_MASTER( myThid )
92    
93    C       Write model fields
94            IF (snapshot_mdsio) THEN
95    
96    #ifdef MULTIPLE_RECORD_STATE_FILES
97    
98    C         Write each snap-shot as a new record in one file per variable
99    C         - creates relatively few files but these files can become huge
100              CALL WRITE_REC_XYZ_RL( 'U',  uVel,iRec,myIter,myThid)
101              CALL WRITE_REC_XYZ_RL( 'V',  vVel,iRec,myIter,myThid)
102              CALL WRITE_REC_XYZ_RL( 'T', theta,iRec,myIter,myThid)
103              CALL WRITE_REC_XYZ_RL( 'S',  salt,iRec,myIter,myThid)
104              CALL WRITE_REC_XY_RL('Eta',etaN,iRec,myIter,myThid)
105              CALL WRITE_REC_XYZ_RL( 'W',wVel,iRec,myIter,myThid)
106    #ifdef ALLOW_NONHYDROSTATIC
107              IF (nonHydroStatic) THEN
108                CALL WRITE_REC_XYZ_RL( 'PNH',phi_nh,iRec,myIter,myThid)
109              ENDIF
110    #endif /* ALLOW_NONHYDROSTATIC */
111    #ifdef NONLIN_FRSURF
112    c         CALL WRITE_REC_XYZ_RS('hFacC.',hFacC,iRec,myIter,myThid)
113    c         CALL WRITE_REC_XYZ_RS('hFacW.',hFacW,iRec,myIter,myThid)
114    c         CALL WRITE_REC_XYZ_RS('hFacS.',hFacS,iRec,myIter,myThid)
115    #endif /* NONLIN_FRSURF */
116    
117    #else /* MULTIPLE_RECORD_STATE_FILES */
118    
119    C         Write each snap-shot as a new file (original and default
120    C         method) -- creates many files but for large configurations is
121    C         easier to transfer analyse a particular snap-shots
122              WRITE(suff,'(I10.10)') myIter
123              CALL WRITE_FLD_XYZ_RL( 'U.',suff,uVel,myIter,myThid)
124              CALL WRITE_FLD_XYZ_RL( 'V.',suff,vVel,myIter,myThid)
125              CALL WRITE_FLD_XYZ_RL( 'T.',suff,theta,myIter,myThid)
126              CALL WRITE_FLD_XYZ_RL( 'S.',suff,salt,myIter,myThid)
127              CALL WRITE_FLD_XY_RL('Eta.',suff,etaN,myIter,myThid)
128              CALL WRITE_FLD_XYZ_RL( 'W.',suff,wVel,myIter,myThid)
129              IF ( useDynP_inEos_Zc .OR. myIter.NE.nIter0 ) THEN
130                CALL WRITE_FLD_XYZ_RL('PH.',suff,totPhiHyd,myIter,myThid)
131              ENDIF
132              IF ( fluidIsWater .AND. (myIter.NE.nIter0) ) THEN
133                CALL WRITE_FLD_XY_RL('PHL.',suff,phiHydLow,myIter,myThid)
134              ENDIF
135    #ifdef ALLOW_NONHYDROSTATIC
136              IF (nonHydroStatic) THEN
137                CALL WRITE_FLD_XYZ_RL( 'PNH.',suff,phi_nh,myIter,myThid)
138              ENDIF
139    #endif /* ALLOW_NONHYDROSTATIC */
140    #ifdef NONLIN_FRSURF
141    c         CALL WRITE_FLD_XYZ_RS('hFacC.',suff,hFacC,myIter,myThid)
142    c         CALL WRITE_FLD_XYZ_RS('hFacW.',suff,hFacW,myIter,myThid)
143    c         CALL WRITE_FLD_XYZ_RS('hFacS.',suff,hFacS,myIter,myThid)
144    #endif /* NONLIN_FRSURF */
145    
146         _END_MASTER( myThid )  #endif /* MULTIPLE_RECORD_STATE_FILES */
        _BARRIER  
147    
148            ENDIF
149            
150            _END_MASTER( myThid )
151            _BARRIER
152    
153    #ifdef ALLOW_MNC
154            IF (useMNC .AND. snapshot_mnc) THEN
155    
156              IF ( writeBinaryPrec .EQ. precFloat64 ) THEN
157                pf(1:1) = 'D'
158              ELSE
159                pf(1:1) = 'R'
160              ENDIF
161    
162    C         Write dynvars using the MNC package
163              CALL MNC_CW_SET_UDIM('state', -1, myThid)
164              CALL MNC_CW_RL_W_S('D','state',0,0,'T', myTime, myThid)
165              CALL MNC_CW_SET_UDIM('state', 0, myThid)
166              CALL MNC_CW_I_W_S('I','state',0,0,'iter', myIter, myThid)
167    C         CALL MNC_CW_RL_W_S('D','state',0,0,'model_time',myTime,myThid)
168              CALL MNC_CW_RL_W(pf,'state',0,0,'U', uVel, myThid)
169              CALL MNC_CW_RL_W(pf,'state',0,0,'V', vVel, myThid)
170              CALL MNC_CW_RL_W(pf,'state',0,0,'Temp', theta, myThid)
171              CALL MNC_CW_RL_W(pf,'state',0,0,'S', salt, myThid)
172              CALL MNC_CW_RL_W(pf,'state',0,0,'Eta', etaN, myThid)
173              CALL MNC_CW_RL_W(pf,'state',0,0,'W', wVel, myThid)
174              IF ( useDynP_inEos_Zc .OR. myIter.NE.nIter0 ) THEN
175                CALL MNC_CW_SET_UDIM('phiHyd', -1, myThid)
176                CALL MNC_CW_RL_W_S('D','phiHyd',0,0,'T',myTime,myThid)
177                CALL MNC_CW_SET_UDIM('phiHyd', 0, myThid)
178                CALL MNC_CW_I_W_S('I','phiHyd',0,0,'iter',myIter,myThid)
179                CALL MNC_CW_RL_W(pf,'phiHyd',0,0,'phiHyd',
180         &           totPhiHyd, myThid)
181              ENDIF
182              IF ( fluidIsWater .AND. (myIter .NE. nIter0) ) THEN
183                CALL MNC_CW_SET_UDIM('phiHydLow', -1, myThid)
184                CALL MNC_CW_RL_W_S('D','phiHydLow',0,0,'T', myTime, myThid)
185                CALL MNC_CW_SET_UDIM('phiHydLow', 0, myThid)
186                CALL MNC_CW_I_W_S('I','phiHydLow',0,0,'iter',myIter,myThid)
187                CALL MNC_CW_RL_W(pf,'phiHydLow',0,0,'phiHydLow',
188         &           phiHydLow, myThid)
189              ENDIF
190    #ifdef ALLOW_NONHYDROSTATIC
191              IF (nonHydroStatic) THEN
192                CALL MNC_CW_RL_W(pf,'state',0,0,'phi_nh',phi_nh,myThid)
193              ENDIF
194    #endif /* ALLOW_NONHYDROSTATIC */
195            ENDIF
196    #endif /*  ALLOW_MNC  */
197            
198        ENDIF        ENDIF
199    
200        RETURN        RETURN

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