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MODULE PRMTop |
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USE EEsmf_Mod |
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! Internal state type for a PRMTop component |
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! cTab :: Generic information held about a component. |
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! :: Includes how many children, basic start/end/base time |
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! :: information etc... |
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TYPE PRMTopInternalState |
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TYPE(EEsmfCattr) :: cTab |
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END TYPE |
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CONTAINS |
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SUBROUTINE ComponentsInit( theComponents ) |
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! |
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! Set up the components for this experiment. |
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! This is done by allocating a series of combined component and state |
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! derived type objects. The returned list of components is then assigned |
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! to point to this set of objects. |
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! Routine arguments |
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! theComponents :: Pointer to components that are created and initialized. |
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! :: The pointer should not be "associated" on entry to |
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! :: ComponentsInit. On return from ComponentsInit the |
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! :: pointer will reference the components that have been |
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! :: created. |
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TYPE( EEsmfComponentList ), POINTER :: theComponents |
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! Local variables |
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! internalState :: Type that collects together all the internal state |
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! :: associated with a PRM configuration. The PRM component |
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! :: ESMF internal state could be set to point to this |
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! :: location so that subsequent calls to the PRM run |
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! :: routines have access to the PRM state. |
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! coarseGridOcean :: Holds the reference to the PRM coarse grid ocean |
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! :: component. |
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! fineGridOceans :: Holds the references to the PRM fine grid ocean |
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! :: components. |
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! coarse2fine :: Holds references to the coarse2fine "couplers". |
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! fine2coarse :: Holds references to the fine2coarse "coupler". |
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! |
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TYPE( PRMTopInternalState ), POINTER :: internalState |
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TYPE( EEsmfGridComp ), ALLOCATABLE :: coarseGridOcean(:) |
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TYPE( EEsmfGridComp ), ALLOCATABLE :: fineGridOceans(:) |
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TYPE( EEsmfCplComp ), ALLOCATABLE :: coarse2fine(:) |
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TYPE( EEsmfCplComp ), ALLOCATABLE :: fine2coarse(:) |
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TYPE( EEsmfGridComp ), POINTER :: gcArr(:) |
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TYPE( EEsmfCplComp ), POINTER :: ccArr(:) |
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! |
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! o Boot up top PRM component |
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! First read in table of prmTop setup and put that information |
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! into the prmTop internal state. |
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! This table specifies one or more sets of child components to create. |
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! Each component set corresponds to a specific set of Init(), Run() and |
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! Finalize() (IRF) routines. The IRF routines need to be known at link time. |
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! Which IRF routines are used for which component set is based on the prefix |
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! given in the "preflist: line" entry for that component set that is read |
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! from the table of components. |
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CALL PRMBoot( 'prmtop.rc', internalState ) |
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! Allocate requested numbers of child gridded and coupler components. |
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! This involves calling the ESMF component create functions which, amongst |
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! other things binds the components to certain PETs. |
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CALL EEsmfAllocChildren( internalState%cTab ) |
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! For a PRM setup |
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! The coarse grid ocean is the first set in the list of children. |
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! The fine grid oceans are the second set in the list of children. |
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! The coarse2fine couplers are the third set in the list of children. |
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! The fine2coarse couplers are the fourth set in the list of children. |
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! |
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! Setup the components |
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! We now set the IRF functions for each component and |
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! then carry out the initialize stage. |
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! First PRM component set is cg. There is only one of these. |
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! Second PRM component set are the fg's. There are n of these. |
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! Third PRM component set are the cg2fg couplers. There are n of these. |
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! Fourth PRM component set are the fg2cg couplers. There is 1 of these. |
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CALL EEsmfMakeGridComp(coarseGridOcean, |
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I 'cg.rc') |
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CALL EEsmfMakeGridComp( fineGridOceans, |
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& 'fg.rc') |
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CALL EEsmfMakeCplComp( fine2coarse, fineGridOceans, |
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& coarseGridOcean, |
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I 'f2c.rc') |
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CALL EEsmfMakeCplComp( coarse2fine, coarseGridOcean, |
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& fineGridOceans, |
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I 'c2f.rc') |
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END SUBROUTINE ComponentsInit |
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SUBROUTINE ComponentsRun( theComponents ) |
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TYPE( EEsmfComponentList ), POINTER :: theComponents |
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END SUBROUTINE ComponentsRun |
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SUBROUTINE ComponentsFinalize( theComponents ) |
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TYPE( EEsmfComponentList ), POINTER :: theComponents |
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END SUBROUTINE ComponentsFinalize |
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SUBROUTINE PRMBoot( theResourceFile, theState ) |
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! Routine arguments |
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CHARACTER*(*) :: theResourceFile |
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TYPE( PRMTopInternalState ), POINTER :: theState |
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! Local variables |
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INTEGER rc |
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TYPE (ESMF_Config) :: cf |
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INTEGER :: nSets, nComps, I |
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CHARACTER(len=1024) :: fPref |
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CHARACTER(len=1024) :: cType |
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! Boot PRMTop |
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! Allocate a PRMTop internal state object |
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ALLOCATE( theState ) |
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! Read PRM config |
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cf = ESMF_ConfigCreate(rc) |
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CALL ESMF_ConfigLoadFile( cf, theResourceFile, rc = rc) |
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! Find how many sets of components have been requested. |
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! If the number requested is less than 1 it is an error. |
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CALL EEsmf_ReadConfig( cf, label='nsets:', default=1, |
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& rVal=theState%cTab%nSets, rc=rc ) |
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IF ( theState%cTab%nSets <= 0 ) THEN |
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STOP 'ABNORMAL END:: PRMTop - nSets <= 0' |
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ENDIF |
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! Get basic details for each components set |
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ALLOCATE( theState%cTab%cTypeArr(theState%cTab%nSets) ) |
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ALLOCATE( theState%cTab%cPrefArr(theState%cTab%nSets) ) |
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ALLOCATE( theState%cTab%nComps(theState%cTab%nSets) ) |
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theState%cTab%nCTypeArr = 0 |
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theState%cTab%nCPrefArr = 0 |
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theState%cTab%nNComps = 0 |
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DO I=1,theState%cTab%nSets |
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! Get the component type for each component set. |
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CALL EEsmf_ReadConfig( cf, label='ctype:', default='gridded', index=I, |
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& rVal=theState%cTab%cTypeArr(I), rc=rc ) |
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IF ( rc .EQ. ESMF_SUCCESS ) theState%cTab%nCTypeArr = |
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& theState%cTab%nCTypeArr+1 |
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! Get the number of components to create for each component set. |
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CALL EEsmf_ReadConfig( cf, label='counts:', default=1, index=I, |
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& rVal=theState%cTab%nComps(I), rc=rc ) |
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IF ( rc .EQ. ESMF_SUCCESS ) theState%cTab%nNComps = |
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& theState%cTab%nNComps+1 |
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! Get the prefix label used to distinguish each component set. |
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CALL EEsmf_ReadConfig( cf, label='preflist:', default='cg', index=I, |
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& rVal=theState%cTab%cPrefArr(I), rc=rc ) |
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IF ( rc .EQ. ESMF_SUCCESS ) theState%cTab%nCPrefArr = |
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& theState%cTab%nCPrefArr+1 |
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ENDDO |
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CALL EEsmf_ReadConfig( cf, label='topStartTime:', default=0., |
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& rVal=theState%cTab%startTime, rc=rc ) |
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IF ( theState%cTab%nCPrefArr .NE. theState%cTab%nSets ) THEN |
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STOP 'ABNORMAL END: PRMTop.PRMBoot found too few file prefix entries.' |
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ENDIF |
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IF ( theState%cTab%nCTypeArr .NE. theState%cTab%nSets ) THEN |
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STOP 'ABNORMAL END: PRMTop.PRMBoot found too few component type entries.' |
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ENDIF |
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IF ( theState%cTab%nNComps .NE. theState%cTab%nSets ) THEN |
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STOP 'ABNORMAL END: PRMTop.PRMBoot found too few component count entries.' |
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ENDIF |
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END SUBROUTINE PRMBoot |
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SUBROUTINE PRMShut( theState ) |
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! Routine arguments |
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TYPE( PRMTopInternalState ), POINTER :: theState |
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! Free PRM internal data |
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DEALLOCATE( theState%cTab%cPrefArr ) |
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DEALLOCATE( theState%cTab%cTypeArr ) |
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DEALLOCATE( theState%cTab%nComps ) |
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! Free PRMTop internal state object |
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DEALLOCATE( theState ) |
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END SUBROUTINE PRMShut |
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END MODULE PRMTop |
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