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C $Header: /u/gcmpack/MITgcm/model/src/the_main_loop.F,v 1.66 2005/12/08 15:44:34 heimbach Exp $ |
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C $Name: $ |
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|
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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#ifdef ALLOW_OBCS |
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# include "OBCS_OPTIONS.h" |
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#endif |
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#ifdef ALLOW_SEAICE |
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# include "SEAICE_OPTIONS.h" |
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#endif |
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#ifdef ALLOW_GMREDI |
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# include "GMREDI_OPTIONS.h" |
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#endif |
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|
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CBOP |
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C !ROUTINE: THE_MAIN_LOOP |
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C !INTERFACE: |
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SUBROUTINE THE_MAIN_LOOP( myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *================================================================* |
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C | SUBROUTINE the_main_loop |
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C | o Run the ocean model and evaluate the specified cost function. |
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C *================================================================* |
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C | |
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C | THE_MAIN_LOOP is the toplevel routine for the Tangent Linear and |
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C | Adjoint Model Compiler (TAMC). For this purpose the initialization |
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C | of the model was split into two parts. Those parameters that do |
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C | not depend on a specific model run are set in INITIALISE_FIXED, |
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C | whereas those that do depend on the specific realization are |
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C | initialized in INITIALISE_VARIA. |
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C | This routine is to be used in conjuction with the MITgcmuv |
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C | checkpoint 37. |
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C *================================================================* |
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C \ev |
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|
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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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|
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c************************************** |
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#ifdef ALLOW_AUTODIFF_TAMC |
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|
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c These includes are needed for |
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c AD-checkpointing. |
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c They provide the fields to be stored. |
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|
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# include "GRID.h" |
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# include "DYNVARS.h" |
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# include "FFIELDS.h" |
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# include "EOS.h" |
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# include "GAD.h" |
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# ifdef ALLOW_CD_CODE |
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# include "CD_CODE_VARS.h" |
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# endif |
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# ifdef ALLOW_PTRACERS |
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# include "PTRACERS_SIZE.h" |
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# include "PTRACERS.h" |
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# endif |
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# if (defined (EXACT_CONSERV) || defined (NONLIN_FRSURF)) |
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# include "SURFACE.h" |
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# endif |
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# ifdef ALLOW_OBCS |
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# include "OBCS.h" |
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# endif |
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# ifdef ALLOW_EXF |
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# include "exf_fields.h" |
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# include "exf_clim_fields.h" |
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# ifdef ALLOW_BULKFORMULAE |
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# include "exf_constants.h" |
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# endif |
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# endif /* ALLOW_EXF */ |
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# ifdef ALLOW_SEAICE |
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# include "SEAICE.h" |
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# endif |
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# ifdef ALLOW_EBM |
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# include "EBM.h" |
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# endif |
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# ifdef ALLOW_DIVIDED_ADJOINT_MPI |
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# include "mpif.h" |
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# endif |
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|
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# include "tamc.h" |
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# include "ctrl.h" |
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# include "ctrl_dummy.h" |
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# include "cost.h" |
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|
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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c************************************** |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C note: under the multi-threaded model myiter and |
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C mytime are local variables passed around as routine |
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C arguments. Although this is fiddly it saves the need to |
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C impose additional synchronisation points when they are |
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C updated. |
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C myIter - iteration counter for this thread |
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C myTime - time counter for this thread |
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C myThid - thread number for this instance of the routine. |
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INTEGER myThid |
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INTEGER myIter |
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_RL myTime |
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|
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C !FUNCTIONS: |
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C == Functions == |
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#ifdef ALLOW_RUNCLOCK |
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LOGICAL RUNCLOCK_CONTINUE |
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LOGICAL RC_CONT |
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#endif |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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integer iloop |
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#ifdef ALLOW_AUTODIFF_TAMC |
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integer ilev_1 |
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integer ilev_2 |
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integer ilev_3 |
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integer ilev_4 |
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integer max_lev2 |
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integer max_lev3 |
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integer max_lev4 |
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#endif |
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CEOP |
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#if defined(TIME_PER_TIMESTEP) || defined(USE_PAPI_FLOPS) |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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#ifdef TIME_PER_TIMESTEP |
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CCE107 common block for per timestep timing |
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C !TIMING VARIABLES |
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C == Timing variables == |
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REAL*8 utnew, utold, stnew, stold, wtnew, wtold |
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DATA utnew, utold, stnew, stold, wtnew, wtold /6*0.0D0/ |
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#endif |
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#ifdef USE_PAPI_FLOPS |
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CCE107 common block for PAPI summary performance |
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#include <fpapi.h> |
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INTEGER*8 flpops |
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DATA flpops /0/ |
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INTEGER check |
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REAL real_time, proc_time, mflops |
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DATA real_time, proc_time, mflops /3*0.0D0/ |
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#endif |
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#endif |
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|
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_ENTER('THE_MAIN_LOOP',myThid) |
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#endif |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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c-- Initialize storage for the cost function evaluation. |
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CADJ INIT dummytape = common, 1 |
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c-- Initialize storage for the outermost loop. |
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CADJ INIT tapelev_ini_bibj_k = USER |
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CADJ INIT tapelev_init = USER |
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c |
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#if (defined (AUTODIFF_2_LEVEL_CHECKPOINT)) |
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CADJ INIT tapelev2 = USER |
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#elif (defined (AUTODIFF_4_LEVEL_CHECKPOINT)) |
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CADJ INIT tapelev4 = USER |
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#else |
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CADJ INIT tapelev3 = USER |
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#endif |
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|
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nIter0 = NINT( (startTime-baseTime)/deltaTClock ) |
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ikey_dynamics = 1 |
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|
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CALL TIMER_START('ADJOINT SPIN-UP', mythid) |
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#endif |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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# ifdef NONLIN_FRSURF |
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CADJ STORE hFacC = tapelev_init, key = 1 |
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# endif |
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#endif |
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|
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('INITIALISE_VARIA',myThid) |
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#endif |
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C-- Set initial conditions (variable arrays) |
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CALL TIMER_START('INITIALISE_VARIA [THE_MAIN_LOOP]', mythid) |
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CALL INITIALISE_VARIA( mythid ) |
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CALL TIMER_STOP ('INITIALISE_VARIA [THE_MAIN_LOOP]', mythid) |
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|
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#ifdef ALLOW_MONITOR |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('MONITOR',myThid) |
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#endif |
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C-- Check status of solution (statistics, cfl, etc...) |
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CALL TIMER_START('MONITOR [THE_MAIN_LOOP]', mythid) |
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CALL MONITOR( myIter, myTime, myThid ) |
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CALL TIMER_STOP ('MONITOR [THE_MAIN_LOOP]', mythid) |
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#endif /* ALLOW_MONITOR */ |
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|
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C-- Do IO if needed (Dump for start state). |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('DO_THE_MODEL_IO',myThid) |
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#endif |
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|
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#ifdef ALLOW_OFFLINE |
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CALL TIMER_START('OFFLINE_MODEL_IO [FORWARD_STEP]',myThid) |
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CALL OFFLINE_MODEL_IO( myTime, myIter, myThid ) |
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CALL TIMER_STOP ('OFFLINE_MODEL_IO [FORWARD_STEP]',myThid) |
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#else |
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CALL TIMER_START('DO_THE_MODEL_IO [THE_MAIN_LOOP]', mythid) |
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CALL DO_THE_MODEL_IO( myTime, myIter, mythid ) |
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CALL TIMER_STOP ('DO_THE_MODEL_IO [THE_MAIN_LOOP]', mythid) |
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#endif |
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|
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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CALL TIMER_STOP ('ADJOINT SPIN-UP', mythid) |
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_BARRIER |
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#endif |
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|
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#ifdef TIME_PER_TIMESTEP |
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CCE107 Initial call for timers |
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_BEGIN_MASTER( myThid ) |
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CALL TIMER_GET_TIME( utold, stold, wtold ) |
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_END_MASTER( myThid ) |
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#endif |
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#ifdef USE_PAPI_FLOPS |
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CCE107 Initial call for PAPI |
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_BEGIN_MASTER( myThid ) |
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call PAPIF_flops(real_time, proc_time, flpops, mflops, check) |
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_END_MASTER( myThid ) |
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#endif |
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|
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c-- Do the model integration. |
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CALL TIMER_START('MAIN LOOP [THE_MAIN_LOOP]', mythid) |
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|
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c >>>>>>>>>>>>>>>>>>>>>>>>>>> LOOP <<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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c >>>>>>>>>>>>>>>>>>>>>>>>>>> STARTS <<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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#ifdef ALLOW_TAMC_CHECKPOINTING |
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|
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max_lev4=nTimeSteps/(nchklev_1*nchklev_2*nchklev_3)+1 |
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max_lev3=nTimeSteps/(nchklev_1*nchklev_2)+1 |
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max_lev2=nTimeSteps/nchklev_1+1 |
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|
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c************************************** |
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#ifdef ALLOW_DIVIDED_ADJOINT |
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CADJ loop = divided |
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#endif |
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c************************************** |
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|
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#ifdef AUTODIFF_4_LEVEL_CHECKPOINT |
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do ilev_4 = 1,nchklev_4 |
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if(ilev_4.le.max_lev4) then |
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c************************************** |
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#include "checkpoint_lev4_directives.h" |
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c************************************** |
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c-- Initialise storage for the middle loop. |
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CADJ INIT tapelev3 = USER |
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#endif /* AUTODIFF_4_LEVEL_CHECKPOINT */ |
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|
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#ifndef AUTODIFF_2_LEVEL_CHECKPOINT |
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do ilev_3 = 1,nchklev_3 |
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if(ilev_3.le.max_lev3) then |
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c************************************** |
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#include "checkpoint_lev3_directives.h" |
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c************************************** |
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c-- Initialise storage for the middle loop. |
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CADJ INIT tapelev2 = USER |
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#endif /* AUTODIFF_2_LEVEL_CHECKPOINT */ |
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|
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do ilev_2 = 1,nchklev_2 |
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if(ilev_2.le.max_lev2) then |
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c************************************** |
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#include "checkpoint_lev2_directives.h" |
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c************************************** |
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|
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c************************************** |
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#ifdef ALLOW_AUTODIFF_TAMC |
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c-- Initialize storage for the innermost loop. |
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c-- Always check common block sizes for the checkpointing! |
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c-- |
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CADJ INIT comlev1 = COMMON,nchklev_1 |
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CADJ INIT comlev1_bibj = COMMON,nchklev_1*nsx*nsy*nthreads_chkpt |
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CADJ INIT comlev1_bibj_k = COMMON,nchklev_1*nsx*nsy*nr*nthreads_chkpt |
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c-- |
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#ifdef ALLOW_KPP |
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CADJ INIT comlev1_kpp = COMMON,nchklev_1*nsx*nsy |
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CADJ INIT comlev1_kpp_k = COMMON,nchklev_1*nsx*nsy*nr |
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#endif /* ALLOW_KPP */ |
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c-- |
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#ifdef ALLOW_GMREDI |
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CADJ INIT comlev1_gmredi_k_gad |
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CADJ & = COMMON,nchklev_1*nsx*nsy*nr*nthreads_chkpt*maxpass |
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#endif /* ALLOW_GMREDI */ |
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c-- |
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#ifdef ALLOW_PTRACERS |
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CADJ INIT comlev1_bibj_ptracers = COMMON, |
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CADJ & nchklev_1*nsx*nsy*nthreads_chkpt*PTRACERS_num |
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#endif /* ALLOW_PTRACERS */ |
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c-- |
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#ifndef DISABLE_MULTIDIM_ADVECTION |
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CADJ INIT comlev1_bibj_k_gad |
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CADJ & = COMMON,nchklev_1*nsx*nsy*nr*nthreads_chkpt*maxpass |
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CADJ INIT comlev1_bibj_k_gad_pass |
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CADJ & = COMMON,nchklev_1*nsx*nsy*nr*nthreads_chkpt*maxpass*maxcube |
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#endif /* DISABLE_MULTIDIM_ADVECTION */ |
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c-- |
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#if (defined (ALLOW_EXF) && defined (ALLOW_BULKFORMULAE)) |
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CADJ INIT comlev1_exf_1 |
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CADJ & = COMMON,nchklev_1*snx*nsx*sny*nsy*nthreads_chkpt |
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CADJ INIT comlev1_exf_2 |
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CADJ & = COMMON,niter_bulk*nchklev_1*snx*nsx*sny*nsy*nthreads_chkpt |
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#endif /* ALLOW_BULKFORMULAE */ |
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c-- |
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#ifdef ALLOW_SEAICE |
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# ifdef SEAICE_ALLOW_DYNAMICS |
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CADJ INIT comlev1_lsr = COMMON,nchklev_1*2 |
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# endif |
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#endif /* ALLOW_SEAICE */ |
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c-- |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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c************************************** |
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|
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do ilev_1 = 1,nchklev_1 |
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|
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c-- The if-statement below introduces a some flexibility in the |
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c-- choice of the 3-tupel ( nchklev_1, nchklev_2, nchklev_3 ). |
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|
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iloop = (ilev_2 - 1)*nchklev_1 + ilev_1 |
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#ifndef AUTODIFF_2_LEVEL_CHECKPOINT |
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& + (ilev_3 - 1)*nchklev_2*nchklev_1 |
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#endif |
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#ifdef AUTODIFF_4_LEVEL_CHECKPOINT |
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& + (ilev_4 - 1)*nchklev_3*nchklev_2*nchklev_1 |
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#endif |
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|
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if ( iloop .le. nTimeSteps ) then |
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|
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#else /* ALLOW_TAMC_CHECKPOINTING undefined */ |
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c-- Initialise storage for reference trajectory without TAMC check- |
| 341 |
c-- pointing. |
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CADJ INIT history = USER |
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CADJ INIT comlev1_bibj = COMMON,nchklev_0*nsx*nsy*nthreads_chkpt |
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CADJ INIT comlev1_bibj_k = COMMON,nchklev_0*nsx*nsy*nr*nthreads_chkpt |
| 345 |
CADJ INIT comlev1_kpp = COMMON,nchklev_0*nsx*nsy |
| 346 |
|
| 347 |
c-- Check the choice of the checkpointing parameters in relation |
| 348 |
c-- to nTimeSteps: (nchklev_0 .ge. nTimeSteps) |
| 349 |
if (nchklev_0 .lt. nTimeSteps) then |
| 350 |
print* |
| 351 |
print*, ' the_main_loop: TAMC checkpointing parameter ', |
| 352 |
& 'nchklev_0 = ', nchklev_0 |
| 353 |
print*, ' not consistent with nTimeSteps = ', |
| 354 |
& nTimeSteps |
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stop ' ... stopped in the_main_loop.' |
| 356 |
endif |
| 357 |
|
| 358 |
DO iloop = 1, nTimeSteps |
| 359 |
|
| 360 |
#endif /* ALLOW_TAMC_CHECKPOINTING */ |
| 361 |
|
| 362 |
#else /* ALLOW_AUTODIFF_TAMC undefined */ |
| 363 |
|
| 364 |
c-- Start the main loop of adjoint_Objfunc. Automatic differentiation |
| 365 |
c-- NOT enabled. |
| 366 |
DO iloop = 1, nTimeSteps |
| 367 |
|
| 368 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 369 |
|
| 370 |
c-- >>> Loop body start <<< |
| 371 |
|
| 372 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 373 |
nIter0 = NINT( (startTime-baseTime)/deltaTClock ) |
| 374 |
ikey_dynamics = ilev_1 |
| 375 |
CALL AUTODIFF_INADMODE_UNSET( myThid ) |
| 376 |
#endif |
| 377 |
|
| 378 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 379 |
CALL AUTODIFF_INADMODE_UNSET( myThid ) |
| 380 |
#endif |
| 381 |
|
| 382 |
#ifdef ALLOW_DEBUG |
| 383 |
IF (debugMode) CALL DEBUG_CALL('FORWARD_STEP',myThid) |
| 384 |
#endif |
| 385 |
CALL TIMER_START('FORWARD_STEP [THE_MAIN_LOOP]',mythid) |
| 386 |
CALL FORWARD_STEP( iloop, mytime, myiter, mythid ) |
| 387 |
CALL TIMER_STOP ('FORWARD_STEP [THE_MAIN_LOOP]',mythid) |
| 388 |
|
| 389 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 390 |
CALL AUTODIFF_INADMODE_SET( myThid ) |
| 391 |
#endif |
| 392 |
|
| 393 |
#ifdef ALLOW_RUNCLOCK |
| 394 |
IF (useRunClock) THEN |
| 395 |
RC_CONT=RUNCLOCK_CONTINUE( myThid ) |
| 396 |
IF (.NOT.RC_CONT) RETURN |
| 397 |
ENDIF |
| 398 |
#endif /* ALLOW_RUNCLOCK */ |
| 399 |
#ifdef TIME_PER_TIMESTEP |
| 400 |
CCE107 Time per timestep information |
| 401 |
_BEGIN_MASTER( myThid ) |
| 402 |
CALL TIMER_GET_TIME( utnew, stnew, wtnew ) |
| 403 |
WRITE(msgBuf,'(A34,3F10.6,I8)') |
| 404 |
$ 'User, system and wallclock time:', utnew - utold, |
| 405 |
$ stnew - stold, wtnew - wtold, iloop |
| 406 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 407 |
utold = utnew |
| 408 |
stold = stnew |
| 409 |
wtold = wtnew |
| 410 |
_END_MASTER( myThid ) |
| 411 |
#endif |
| 412 |
#ifdef USE_PAPI_FLOPS |
| 413 |
CCE107 PAPI summary performance |
| 414 |
_BEGIN_MASTER( myThid ) |
| 415 |
call PAPIF_flops(real_time, proc_time, flpops, mflops, check) |
| 416 |
WRITE(msgBuf,'(F10.6,A34,I8)') |
| 417 |
$ mflops, 'Mflop/s during timestep ', iloop |
| 418 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 419 |
_END_MASTER( myThid ) |
| 420 |
#endif |
| 421 |
|
| 422 |
c-- >>> Loop body end <<< |
| 423 |
|
| 424 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 425 |
CALL AUTODIFF_INADMODE_SET( myThid ) |
| 426 |
#ifdef ALLOW_TAMC_CHECKPOINTING |
| 427 |
endif |
| 428 |
enddo |
| 429 |
endif |
| 430 |
enddo |
| 431 |
#ifndef AUTODIFF_2_LEVEL_CHECKPOINT |
| 432 |
endif |
| 433 |
enddo |
| 434 |
#endif |
| 435 |
#ifdef AUTODIFF_4_LEVEL_CHECKPOINT |
| 436 |
endif |
| 437 |
enddo |
| 438 |
#endif |
| 439 |
#else /* ndef ALLOW_TAMC_CHECKPOINTING */ |
| 440 |
enddo |
| 441 |
#endif /* ALLOW_TAMC_CHECKPOINTING */ |
| 442 |
|
| 443 |
#else /* ndef ALLOW_AUTODIFF_TAMC */ |
| 444 |
enddo |
| 445 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 446 |
|
| 447 |
#ifdef ALLOW_COST |
| 448 |
c-- Sum all cost function contributions. |
| 449 |
call TIMER_START('COST_FINAL [ADJOINT SPIN-DOWN]', mythid) |
| 450 |
call COST_FINAL ( mythid ) |
| 451 |
call TIMER_STOP ('COST_FINAL [ADJOINT SPIN-DOWN]', mythid) |
| 452 |
#endif |
| 453 |
|
| 454 |
_BARRIER |
| 455 |
CALL TIMER_STOP ('MAIN LOOP [THE_MAIN_LOOP]', mythid) |
| 456 |
|
| 457 |
#ifdef ALLOW_DEBUG |
| 458 |
IF (debugMode) CALL DEBUG_LEAVE('THE_MAIN_LOOP',myThid) |
| 459 |
#endif |
| 460 |
|
| 461 |
END |
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