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jmc |
1.9 |
C $Header: /u/gcmpack/models/MITgcmUV/model/src/write_state.F,v 1.8 2001/02/14 22:50:10 jmc Exp $ |
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C $Name: $ |
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adcroft |
1.1 |
#include "CPP_OPTIONS.h" |
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C-- File read_write.F: Routines to handle mid-level I/O interface. |
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C-- o WRITE_STATE - Write out model state. |
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adcroft |
1.5 |
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 and |
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C 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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#undef MULTIPLE_RECORD_STATE_FILES |
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adcroft |
1.1 |
CStartofinterface |
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SUBROUTINE WRITE_STATE ( forceOutput, myCurrentTime, |
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& myIter, myThid ) |
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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 \==========================================================/ |
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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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#ifdef ALLOW_NONHYDROSTATIC |
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#include "CG3D.h" |
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#include "GW.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 == 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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LOGICAL forceOutput |
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adcroft |
1.2 |
_RL myCurrentTime |
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adcroft |
1.1 |
INTEGER myThid |
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INTEGER myIter |
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CEndofinterface |
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C == Local variables == |
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adcroft |
1.5 |
CHARACTER*(MAX_LEN_MBUF) suff |
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heimbach |
1.4 |
INTEGER iRec |
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adcroft |
1.1 |
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IF ( |
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heimbach |
1.4 |
& ( DIFFERENT_MULTIPLE(dumpFreq,myCurrentTime, |
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jmc |
1.8 |
& myCurrentTime-deltaTClock) .AND. myCurrentTime.NE.endTime ) |
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heimbach |
1.4 |
& .OR. forceOutput |
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& ) THEN |
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iRec = int ( (myCurrentTime-startTime) / dumpFreq +1.5 ) |
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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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adcroft |
1.1 |
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C-- Write model fields |
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adcroft |
1.5 |
#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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heimbach |
1.4 |
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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jmc |
1.9 |
CALL WRITE_REC_XY_RL ('PS',etaN,iRec,myIter,myThid) |
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adcroft |
1.7 |
CALL WRITE_REC_XYZ_RL( 'W',wVel,iRec,myIter,myThid) |
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adcroft |
1.1 |
#ifdef ALLOW_NONHYDROSTATIC |
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IF (nonHydroStatic) THEN |
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heimbach |
1.4 |
CALL WRITE_REC_XYZ_RL( 'PNH',cg3d_x,iRec,myIter,myThid) |
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adcroft |
1.1 |
ENDIF |
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adcroft |
1.5 |
#endif /* ALLOW_NONHYDROSTATIC */ |
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#else |
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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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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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jmc |
1.9 |
CALL WRITE_FLD_XY_RL( 'PS.',suff,etaN,myIter,myThid) |
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adcroft |
1.7 |
CALL WRITE_FLD_XYZ_RL( 'W.',suff,wVel,myIter,myThid) |
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adcroft |
1.5 |
#ifdef ALLOW_NONHYDROSTATIC |
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IF (nonHydroStatic) THEN |
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CALL WRITE_FLD_XYZ_RL( 'PNH.',suff,cg3d_x,myIter,myThid) |
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ENDIF |
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#endif /* ALLOW_NONHYDROSTATIC */ |
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#endif /* MULTIPLE_RECORD_STATE_FILES */ |
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adcroft |
1.1 |
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heimbach |
1.4 |
_END_MASTER( myThid ) |
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_BARRIER |
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adcroft |
1.1 |
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ENDIF |
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RETURN |
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END |
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