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dimitri |
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C $Header: /u/gcmpack/MITgcm/model/src/write_state.F,v 1.15.4.4 2003/05/02 14:25:29 dimitri Exp $ |
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C $Name: release1_50yr $ |
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#include "CPP_OPTIONS.h" |
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#undef MULTIPLE_RECORD_STATE_FILES |
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CBOP |
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C !ROUTINE: WRITE_STATE |
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C !INTERFACE: |
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SUBROUTINE WRITE_STATE ( myCurrentTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE WRITE_STATE |
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C | o Controlling routine for IO to dump model state. |
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C *==========================================================* |
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C | Write model state files for post-processing. This file |
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C | includes code for diagnosing W and RHO for output. |
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C | File write_state.F: Routines to handle mid-level I/O |
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C | interface. |
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C | o WRITE_STATE - Write out model state. |
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C | The following CPP flag (MULTIPLE_RECORD_STATE_FILES) is |
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C | #define/#undefed here since it is specific to this routine |
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C | and very user-preference specific. |
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C | |
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C | If #undefed (default) the state files are written as in all versions |
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C | prior to checkpoint32, where a file is created per variable, per time |
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C | and per tile. This *has* to be the default because most users use this |
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C | mode and all utilities and scripts (diagnostic) assume this form. |
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C | It is also robust, as explained below. |
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C | |
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C | If #defined, subsequent snap-shots are written as records in the |
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C | same file (no iteration number in filenames). |
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C | Advantages: - fewer files |
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C | - for small problems, is easy to copy the output around |
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C | Disadvantages: |
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C | - breaks a lot of diagnostic scripts |
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C | - for large or long problems this creates huge files |
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C | - is an unexpected, unsolicited change in behaviour which came |
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C | as a surprise (in c32) and inconvenience to several users |
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C | - can not accomodate changing the frequency of output |
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C | after a pickup (this is trivial in previous method |
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C | but needs new code and parameters in this new method) |
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C | Known Bugs: |
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C | - if the length of integration is not exactly an integer |
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C | times the output frequency then the last record written |
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C | (at end of integration) overwrites a previously written |
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C | record corresponding to an earier time. *BE WARNED* |
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C *==========================================================* |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C == Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "DYNVARS.h" |
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#include "GRID.h" |
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#ifdef ALLOW_PASSIVE_TRACER |
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#include "TR1.h" |
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#endif |
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LOGICAL DIFFERENT_MULTIPLE |
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EXTERNAL DIFFERENT_MULTIPLE |
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INTEGER IO_ERRCOUNT |
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EXTERNAL IO_ERRCOUNT |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C myThid - Thread number for this instance of the routine. |
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C myIter - Iteration number |
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C myCurrentTime - Current time of simulation ( s ) |
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_RL myCurrentTime |
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INTEGER myThid |
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INTEGER myIter |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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CHARACTER*(MAX_LEN_MBUF) suff |
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INTEGER iRec |
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CEOP |
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IF ( |
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& DIFFERENT_MULTIPLE(dumpFreq,myCurrentTime, |
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& myCurrentTime-deltaTClock) .OR. |
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& myCurrentTime.EQ.endTime .OR. |
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& myCurrentTime.EQ.startTime |
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& ) THEN |
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IF ( dumpFreq .EQ. 0.0 ) THEN |
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iRec = 1 |
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ELSE |
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iRec = int ( (myCurrentTime-startTime) / dumpFreq +1.5 ) |
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ENDIF |
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C-- Going to really do some IO. Make everyone except master thread wait. |
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_BARRIER |
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_BEGIN_MASTER( myThid ) |
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C-- Write model fields |
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#ifdef MULTIPLE_RECORD_STATE_FILES |
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C Write each snap-shot as a new record in one file per variable |
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C - creates relatively few files but these files can become huge |
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CALL WRITE_REC_XYZ_RL( 'U', uVel,iRec,myIter,myThid) |
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CALL WRITE_REC_XYZ_RL( 'V', vVel,iRec,myIter,myThid) |
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CALL WRITE_REC_XYZ_RL( 'T', theta,iRec,myIter,myThid) |
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CALL WRITE_REC_XYZ_RL( 'S', salt,iRec,myIter,myThid) |
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CALL WRITE_REC_XY_RL('Eta',etaN,iRec,myIter,myThid) |
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CALL WRITE_REC_XYZ_RL( 'W',wVel,iRec,myIter,myThid) |
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#ifdef ALLOW_PASSIVE_TRACER |
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CALL WRITE_REC_XYZ_RL( 'TR1',tr1,iRec,myIter,myThid) |
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CALL WRITE_REC_XY_RL ('gTR1',surfaceTendencyTr1, |
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& iRec,myIter,myThid) |
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#endif |
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#ifdef ALLOW_NONHYDROSTATIC |
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IF (nonHydroStatic) THEN |
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CALL WRITE_REC_XYZ_RL( 'PNH',phi_nh,iRec,myIter,myThid) |
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ENDIF |
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#endif /* ALLOW_NONHYDROSTATIC */ |
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#ifdef NONLIN_FRSURF |
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CALL WRITE_REC_XYZ_RS('hFacC.',hFacC,iRec,myIter,myThid) |
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CALL WRITE_FLD_XYZ_RS('hFacW.',hFacW,iRec,myIter,myThid) |
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CALL WRITE_FLD_XYZ_RS('hFacS.',hFacS,iRec,myIter,myThid) |
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#endif /* NONLIN_FRSURF */ |
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#else /* MULTIPLE_RECORD_STATE_FILES */ |
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C Write each snap-shot as a new file (original and default method) |
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C - creates many files but for large configurations is easier to |
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C transfer analyse a particular snap-shots |
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WRITE(suff,'(I10.10)') myIter |
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#ifdef DUMP_UVTSW_SNAPSHOTS |
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CALL WRITE_FLD_XYZ_RL( 'U.',suff,uVel,myIter,myThid) |
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CALL WRITE_FLD_XYZ_RL( 'V.',suff,vVel,myIter,myThid) |
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CALL WRITE_FLD_XYZ_RL( 'T.',suff,theta,myIter,myThid) |
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CALL WRITE_FLD_XYZ_RL( 'S.',suff,salt,myIter,myThid) |
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CALL WRITE_FLD_XYZ_RL( 'W.',suff,wVel,myIter,myThid) |
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#endif /* DUMP_STUVW_SNAPSHOTS */ |
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CALL WRITE_FLD_XY_RL('Eta.',suff,etaN,myIter,myThid) |
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#ifdef ALLOW_NONHYDROSTATIC |
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IF (nonHydroStatic) THEN |
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CALL WRITE_FLD_XYZ_RL( 'PNH.',suff,phi_nh,myIter,myThid) |
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ENDIF |
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#endif /* ALLOW_NONHYDROSTATIC */ |
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#ifdef NONLIN_FRSURF |
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CALL WRITE_FLD_XYZ_RS('hFacC.',suff,hFacC,myIter,myThid) |
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CALL WRITE_FLD_XYZ_RS('hFacW.',suff,hFacW,myIter,myThid) |
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CALL WRITE_FLD_XYZ_RS('hFacS.',suff,hFacS,myIter,myThid) |
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#endif /* NONLIN_FRSURF */ |
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#endif /* MULTIPLE_RECORD_STATE_FILES */ |
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_END_MASTER( myThid ) |
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_BARRIER |
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ENDIF |
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#ifdef ALLOW_PASSIVE_TRACER |
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IF ( |
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& DIFFERENT_MULTIPLE(tr1dumpFreq,myCurrentTime, |
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& myCurrentTime-deltaTClock) .OR. |
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& myCurrentTime.EQ.endTime .OR. |
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& myCurrentTime.EQ.startTime |
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& ) THEN |
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_BARRIER |
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_BEGIN_MASTER( myThid ) |
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WRITE(suff,'(I10.10)') myIter |
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CALL WRITE_FLD_XYZ_RL( 'TR1.',suff,tr1,myIter,myThid) |
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_END_MASTER( myThid ) |
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_BARRIER |
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ENDIF |
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#endif |
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RETURN |
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END |
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