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C $Header: /u/gcmpack/models/MITgcmUV/model/src/do_the_model_io.F,v 1.2 1998/04/24 02:05:40 cnh Exp $ |
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#include "CPP_EEOPTIONS.h" |
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SUBROUTINE DO_THE_MODEL_IO(myCurrentTime, myIter, myThid) |
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C /==========================================================\ |
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C | SUBROUTINE DO_THE_MODEL_IO | |
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C | o Controlling routine for IO in model main time-stepping | |
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C | loop. | |
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C |==========================================================| |
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C | Many systems do not have thread safe IO so it is easier | |
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C | to lump everything together and do dumping of fields | |
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C | and updating of forcing terms in a single place. | |
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C | The approach to IO used here is that writes are only | |
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C | performed by thread 1 and that a process only writes out | |
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C | its data ( since it doen't know about anyone elses data!)| |
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C | Reading on the other hand is assumed to be from a file | |
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C | containing all the data for all the processes. Only the | |
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C | portion of data of interest to this process is actually | |
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C | loaded. To work well this assumes the existence of some | |
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C | reliable tool to join datasets together at the end of a | |
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C | run. | |
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C | Notes | |
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C | ===== | |
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C | We allow thread 2-nThreads to continue whilst thread 1 | |
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C | does IO. The assumption is that the other threads won't | |
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C | do anything to update their interior regions before | |
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C | thread 1 has finished writing them out. | |
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C \==========================================================/ |
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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 "CG2D.h" |
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LOGICAL DIFFERENT_MULTIPLE |
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EXTERNAL DIFFERENT_MULTIPLE |
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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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INTEGER myThid |
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INTEGER myIter |
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REAL myCurrentTime |
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C == Local variables == |
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C suff - Hold suffix part of a filename |
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CHARACTER*(MAX_LEN_FNAM) suff |
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C-- Generaly only thread 1 does IO here. It can't start until everyone's |
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C-- fields are ready. |
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IF ( MOD(myIter,1000) .EQ. 0 ) THEN |
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_BARRIER |
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C-- Write "text-plots" of certain fields |
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CALL PLOT_FIELD_XYZR8( uVel , 'uVel ' , Nz, myIter, myThid ) |
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CALL PLOT_FIELD_XYZR8( vVel , 'vVel ' , Nz, myIter, myThid ) |
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CALL PLOT_FIELD_XYZR8( theta, 'Theta ' , Nz, myIter, myThid ) |
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CALL PLOT_FIELD_XYZR8( rho, 'rho ' , Nz, myIter, myThid ) |
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CALL PLOT_FIELD_XYR8( cg2d_x, 'cg2d_x ' , myIter, myThid ) |
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ENDIF |
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C-- Write model state to binary file |
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CALL WRITE_STATE( myCurrentTime, myIter, myThid ) |
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C WRITE(suff,'(I10.10)') myIter |
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C CALL DFILE_SET_RW |
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C CALL DFILE_SET_CONT_ON_ERROR |
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C CALL WRITE_FLD_XYZ( 'U.',suff, uVel) |
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C CALL WRITE_FLD_XYZ( 'V.',suff, vVel) |
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C CALL WRITE_FLD_XYZ( 'T.',suff, theta) |
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C CALL WRITE_FLD_XYZ( 'S.',suff, salt) |
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C CALL WRITE_FLD_XYZ( 'W.',suff, IO_tmp3d) |
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C CALL WRITE_FLD_XYZ('RHO.',suff, IO_tmp3d) |
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C CALL WRITE_FLD_XYZ( 'PH.',suff, IO_tmp3d) |
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C CALL WRITE_FLD_XY ( 'PS.',suff, IO_tmp2d) |
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C-- Write model checkpoint files |
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C nCheck = 1,2,...nCheckLev, 1,2,...nCheckLev, etc... |
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C CALL WRITE_CHECKPOINT( myIter, myThid ) |
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C nCheck = MOD(nCheck,nCheckLev)+1 |
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C suff = checkPtSuff(nCheck) |
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C CALL DFILE_SET_RW |
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C CALL DFILE_SET_CONT_ON_ERROR |
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C CALL WRITE_FLD_XYZ( 'uVel.',suff,uVel ) |
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C CALL WRITE_FLD_XYZ( 'vVel.',suff,vVel ) |
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C CALL WRITE_FLD_XYZ( 'theta.',suff,theta ) |
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C CALL WRITE_FLD_XYZ( 'salt.',suff,salt ) |
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C CALL WRITE_FLD_XY ('cg2d_x.',suff,cg2d_x) |
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C CALL WRITE_FLD_XYZ( 'gu.',suff,gu ) |
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C CALL WRITE_FLD_XYZ( 'gv.',suff,gv ) |
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C CALL WRITE_FLD_XYZ( 'gunm1.',suff,gunm1 ) |
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C CALL WRITE_FLD_XYZ( 'gvnm1.',suff,gvnm1 ) |
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_BARRIER |
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C |
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RETURN |
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END |
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