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C $Header: /u/gcmpack/models/MITgcmUV/eesupp/src/eeset_parms.F,v 1.3 1998/04/23 20:56:54 cnh Exp $ |
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#include "CPP_EEOPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE EESET_PARMS |
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C /==========================================================\ |
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C | SUBROUTINE EESET_PARMS | |
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C | o Routine to set model "parameters" | |
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C |==========================================================| |
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C | This routine is called from the high-level wrapper | |
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C | after multi-process paralle processing has started but | |
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C | before multi-threaded parallelism. THe routine reads an | |
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C | an "execution environment" input parameter file holding | |
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C | information about the number of threads at run-time. | |
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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 "EESUPPORT.h" |
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CEndOfInterface |
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C === Local variables === |
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C K - Loop counter |
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C iUnit - Work variable for IO unit number |
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C errIO - IO unit error flag |
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INTEGER K, IL |
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INTEGER errIO |
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INTEGER iUnit |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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CHARACTER*(MAX_LEN_PREC) record |
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INTEGER IFNBLNK |
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EXTERNAL IFNBLNK |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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NAMELIST /EEPARMS/ |
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& nTx, nTy |
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C-- For now these options are fixed as the code does |
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C not fully support features for overlapping communication |
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C and computation. |
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usingSyncMessages = .TRUE. |
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C-- The remaining parameters here are set to default values. |
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C-- and then any different values are read from an input |
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C-- file called "eedata". |
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C The defaults set here are for serial execution. |
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C |
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C nTx and nTy are the number of threads in the X and Y |
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C directions. |
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C nSx/nTx and nSy/nTy be whole numbers at present. |
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C |
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C notUsingXPeriodicity and notUsingYPeriodicity affect |
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C the identifying of neighbor processes in a multi-process |
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C mode. On the whole the numerical model code should not |
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C customise itself based on these numbers as they may be |
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C removed if they do not prove useful. |
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C |
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C usingMPI is a flag which controls whether MPI message |
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C passing library calls are actually made. Note that under |
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C MPI it is necessary to start a program a special way - |
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C normally using a command of the form |
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C % mpirun program_name |
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C If usingMPI is set to TRUE but % mpirun .... was not |
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C used to launch the program then an internal MPI error |
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C may be generated when the first MPI call ( CALL MPI_Init ) |
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C is made. |
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C |
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notUsingXPeriodicity = .FALSE. |
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notUsingYPeriodicity = .FALSE. |
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usingMPI = .FALSE. |
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nTx = 2 |
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nTy = 2 |
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C-- Read in data from eedata file |
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C We really ought to be using our environment file reading |
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C package - but we haven't written it yet. |
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C Make scratch copies of input data file with and without comments |
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OPEN(UNIT=scrUnit1,STATUS='SCRATCH') |
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OPEN(UNIT=scrUnit2,STATUS='SCRATCH') |
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OPEN(UNIT=eeDataUnit,FILE='eedata',STATUS='OLD',err=1,IOSTAT=errIO) |
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IF ( errIO .GE. 0 ) GOTO 2 |
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1 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R EESET_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Unable to open execution environment' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'parameter file "eedata"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL EEDATA_EXAMPLE |
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STOP 'ABNORMAL END: S/R EESET_PARMS' |
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2 CONTINUE |
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1000 CONTINUE |
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READ(eeDataUnit,FMT='(A)',END=1001) RECORD |
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IL = MAX(ILNBLNK(RECORD),1) |
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IF ( RECORD(1:1) .NE. commentCharacter ) |
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& WRITE(UNIT=scrUnit1,FMT='(A)') RECORD(:IL) |
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WRITE(UNIT=scrUnit2,FMT='(A)') RECORD(:IL) |
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GOTO 1000 |
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1001 CONTINUE |
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CLOSE(eeDataUnit) |
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C-- Report contents of parameter file |
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WRITE(msgBuf,'(A)') '// =======================================================' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, SQUEEZE_RIGHT , 1) |
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WRITE(msgBuf,'(A)') '// Execution Environment parameter file "eedata"' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, SQUEEZE_RIGHT , 1) |
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WRITE(msgBuf,'(A)') '// =======================================================' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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iUnit = scrUnit2 |
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REWIND(iUnit) |
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2000 CONTINUE |
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READ(UNIT=iUnit,FMT='(A)',END=2001) RECORD |
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IL = MAX(ILNBLNK(RECORD),1) |
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WRITE(msgBuf,'(A,A)') '>',RECORD(:IL) |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, SQUEEZE_RIGHT , 1) |
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GOTO 2000 |
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2001 CONTINUE |
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CLOSE(iUnit) |
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WRITE(msgBuf,'(A)') ' ' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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iUnit = scrUnit1 |
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REWIND(iUnit) |
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READ(UNIT=iUnit,NML=EEPARMS,IOSTAT=errIO,err=3) |
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IF ( errIO .GE. 0 ) GOTO 4 |
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3 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R EESET_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Error reading execution environment ' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'parameter file "eedata"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL EEDATA_EXAMPLE |
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STOP 'ABNORMAL END: S/R EESET_PARMS' |
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4 CONTINUE |
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cnh |
1.4 |
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C-- Execution Environment parameter file read |
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CLOSE(iUnit) |
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cnh |
1.1 |
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Cdbg eeDataUnit = 42 |
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Cdbg OPEN(UNIT=eeDataUnit,FILE='eedata',STATUS='OLD',IOSTAT=errIO) |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg DO K=1, 10 |
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Cdbg READ(eedataUnit,IOSTAT=errIO) |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg ENDDO |
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Cdbg READ(eedataUnit,FMT='(30X,1X,L23)',IOSTAT=errIO) notUsingXPeriodicity |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg READ(eedataUnit,FMT='(30X,1X,L23)',IOSTAT=errIO) notUsingYPeriodicity |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg READ(eedataUnit,FMT='(30X,1X,L23)',IOSTAT=errIO) usingMPI |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg READ(eedataUnit,FMT='(30X,1X,I3)',IOSTAT=errIO) nTx |
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Cdbg IF ( errIO .LT. 0 ) GOTO 11 |
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Cdbg READ(eedataUnit,FMT='(30X,1X,I3)',IOSTAT=errIO) nTy |
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Cdbg IF (errIO .LT. 0 ) eeBootError = .TRUE. |
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Cdbg CLOSE(eeDataUnit,IOSTAT=errIO) |
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Cdbg IF ( eeBootError .OR. errIO .LT. 0 ) THEN |
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C-- Report that an error occured |
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Cdbg eeBootError = .TRUE. |
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Cdbg WRITE(msgBuf,'(A)' ) |
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Cdbg & 'S/R EESET_PARMS: Error reading "eedata" execution environment file' |
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Cdbg CALL PRINT_ERROR( msgBuf , 1) |
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Cdbg ELSE |
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C-- Write summary of settings that were selected |
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Cdbg ENDIF |
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C |
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C |
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RETURN |
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END |
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