/[MITgcm]/MITgcm/model/src/forward_step.F
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revision 1.32 by heimbach, Thu May 30 02:32:14 2002 UTC revision 1.50 by dimitri, Tue Feb 18 05:33:54 2003 UTC
# Line 49  C     == Global variables == Line 49  C     == Global variables ==
49  # include "ctrl.h"  # include "ctrl.h"
50  # include "ctrl_dummy.h"  # include "ctrl_dummy.h"
51  # include "cost.h"  # include "cost.h"
52    # include "EOS.h"
53  # ifdef INCLUDE_EXTERNAL_FORCING_PACKAGE  # ifdef INCLUDE_EXTERNAL_FORCING_PACKAGE
54  #  include "exf_fields.h"  #  include "exf_fields.h"
55  #  ifdef ALLOW_BULKFORMULAE  #  if (defined (ALLOW_BULKFORMULAE) || defined (ALLOW_BULK_FORCE))
56  #   include "exf_constants.h"  #   include "exf_constants.h"
57  #  endif  #  endif
58  # endif  # endif
# Line 74  C     mythid - thread number for this in Line 75  C     mythid - thread number for this in
75        integer mythid        integer mythid
76        integer myiter        integer myiter
77        _RL     mytime        _RL     mytime
78    #ifdef ALLOW_BULK_FORCE
79        INTEGER bi,bj        INTEGER bi,bj
80    #endif
81    
82  CEOP  CEOP
83    
   
84  #ifdef ALLOW_AUTODIFF_TAMC  #ifdef ALLOW_AUTODIFF_TAMC
85  C--     Reset the model iteration counter and the model time.  C--   Reset the model iteration counter and the model time.
86          myiter = nIter0 + (iloop-1)        myiter = nIter0 + (iloop-1)
87          mytime = startTime + float(iloop-1)*deltaTclock        mytime = startTime + float(iloop-1)*deltaTclock
88  #endif  #endif
89    
90  #if (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_AUTODIFF_MONITOR))  #if (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_AUTODIFF_MONITOR))
91  C       Include call to a dummy routine. Its adjoint will be  C     Include call to a dummy routine. Its adjoint will be
92  C       called at the proper place in the adjoint code.  C     called at the proper place in the adjoint code.
93  C       The adjoint routine will print out adjoint values  C     The adjoint routine will print out adjoint values
94  C       if requested. The location of the call is important,  C     if requested. The location of the call is important,
95  C       it has to be after the adjoint of the exchanges  C     it has to be after the adjoint of the exchanges
96  C       (DO_GTERM_BLOCKING_EXCHANGES).  C     (DO_GTERM_BLOCKING_EXCHANGES).
97          CALL DUMMY_IN_STEPPING( myTime, myIter, myThid )        CALL DUMMY_IN_STEPPING( myTime, myIter, myThid )
98          CALL DO_FIELDS_BLOCKING_EXCHANGES( myThid )  cph   I've commented this line since it may conflict with MITgcm's adjoint
99    cph   However, need to check whether that's still consistent
100    cph   with the ecco-branch (it should).
101    cph      CALL DO_FIELDS_BLOCKING_EXCHANGES( myThid )
102  #endif  #endif
103    
104  #ifdef EXACT_CONSERV  #ifdef EXACT_CONSERV
105        IF (exactConserv) THEN        IF (exactConserv) THEN
106  C--   Update etaH(n+1) :  C--   Update etaH(n+1) :
107          DO bj=myByLo(myThid),myByHi(myThid)           CALL TIMER_START('UPDATE_ETAH        [FORWARD_STEP]',mythid)
108           DO bi=myBxLo(myThid),myBxHi(myThid)           CALL UPDATE_ETAH( myTime, myIter, myThid )
109             CALL CALC_EXACT_ETA( .FALSE., bi,bj, uVel,vVel,           CALL TIMER_STOP ('UPDATE_ETAH        [FORWARD_STEP]',mythid)
      I                          myTime, myIter, myThid )  
          ENDDO  
         ENDDO  
         IF (implicDiv2Dflow .NE. 1. _d 0 .OR. useOBCS )  
      &     _EXCH_XY_R8(etaH, myThid )  
110        ENDIF        ENDIF
111  #endif /* EXACT_CONSERV */  #endif /* EXACT_CONSERV */
112    
113  #ifdef NONLIN_FRSURF  #ifdef NONLIN_FRSURF
114  C--   compute the future surface level thickness        IF ( select_rStar.NE.0 ) THEN
115  C      according to etaH(n+1)  C--   r* : compute the future level thickness according to etaH(n+1)
116          IF ( nonlinFreeSurf.GT.0) THEN            CALL TIMER_START('CALC_R_STAR       [FORWARD_STEP]',mythid)
117              CALL CALC_R_STAR(etaH, myTime, myIter, myThid )
118              CALL TIMER_STOP ('CALC_R_STAR       [FORWARD_STEP]',mythid)
119          ELSEIF ( nonlinFreeSurf.GT.0) THEN
120    C--   compute the future surface level thickness according to etaH(n+1)
121              CALL TIMER_START('CALC_SURF_DR      [FORWARD_STEP]',mythid)
122            CALL CALC_SURF_DR(etaH, myTime, myIter, myThid )            CALL CALC_SURF_DR(etaH, myTime, myIter, myThid )
123          ENDIF            CALL TIMER_STOP ('CALC_SURF_DR      [FORWARD_STEP]',mythid)
124          ENDIF
125  #endif /* NONLIN_FRSURF */  #endif /* NONLIN_FRSURF */
126    
127  C--     Load forcing/external data fields.  C--   Load forcing/external data fields.
 #ifdef INCLUDE_EXTERNAL_FORCING_PACKAGE  
 C       NOTE, that although the exf package is part of the  
 C       distribution, it is not currently maintained, i.e.  
 C       exf is disabled by default in genmake.  
128  #ifdef ALLOW_AUTODIFF_TAMC  #ifdef ALLOW_AUTODIFF_TAMC
129  c**************************************  c**************************************
130  #include "checkpoint_lev1_directives.h"  #include "checkpoint_lev1_directives.h"
131  c**************************************  c**************************************
132  #endif  #endif
133          CALL EXF_GETFORCING( mytime, myiter, mythid )  
134  #else  
135          CALL TIMER_START('EXTERNAL_FIELDS_LOAD[THE_MAIN_LOOP]',mythid)  C--   Call external forcing package
136          CALL EXTERNAL_FIELDS_LOAD( mytime, myiter, mythid )  cswdblk -- add ---
137          CALL TIMER_STOP ('EXTERNAL_FIELDS_LOAD[THE_MAIN_LOOP]',mythid)  #ifdef ALLOW_BULK_FORCE
138           CALL TIMER_START('BULKF_FIELDS_LOAD[THE_MAIN_LOOP]',mythid)
139           CALL BULKF_FIELDS_LOAD( mytime, myiter, mythid )
140           CALL TIMER_STOP ('BULKF_FIELDS_LOAD[THE_MAIN_LOOP]',mythid)
141    c calculate qnet and empmr (and wind stress)
142           DO bj=myByLo(myThid),myByHi(myThid)
143             DO bi=myBxLo(myThid),myBxHi(myThid)
144              CALL BULKF_FORCING( bi,bj, mytime, myiter, mythid )
145             ENDDO
146           ENDDO
147    c     Update the tile edges.
148           _EXCH_XY_R8(Qnet,   mythid)
149           _EXCH_XY_R8(EmPmR,   mythid)
150           CALL EXCH_UV_XY_RS(fu, fv, .TRUE., myThid)
151    C       _EXCH_XY_R8(fu     , mythid)
152    C       _EXCH_XY_R8(fv     , mythid)
153    cswdblk -- end add ---
154    #else /* ALLOW_BULK_FORCE undef */
155    # ifdef INCLUDE_EXTERNAL_FORCING_PACKAGE
156    C     NOTE, that although the exf package is part of the
157    C     distribution, it is not currently maintained, i.e.
158    C     exf is disabled by default in genmake.
159          CALL TIMER_START('EXF_GETFORCING     [FORWARD_STEP]',mythid)
160          CALL EXF_GETFORCING( mytime, myiter, mythid )
161          CALL TIMER_STOP ('EXF_GETFORCING     [FORWARD_STEP]',mythid)
162    # else /* INCLUDE_EXTERNAL_FORCING_PACKAGE undef */
163    cph The following IF-statement creates an additional dependency
164    cph for the forcing fields requiring additional storing.
165    cph Therefore, the IF-statement will be put between CPP-OPTIONS,
166    cph assuming that ALLOW_SEAICE has not yet been differentiated.
167    #  ifdef ALLOW_SEAICE
168          IF ( .NOT. useSEAICE ) THEN
169    #  endif
170           CALL TIMER_START('EXTERNAL_FIELDS_LOAD[FORWARD_STEP]',mythid)
171           CALL EXTERNAL_FIELDS_LOAD( mytime, myiter, mythid )
172           CALL TIMER_STOP ('EXTERNAL_FIELDS_LOAD[FORWARD_STEP]',mythid)
173    #  ifdef ALLOW_SEAICE
174          ENDIF
175    #  endif
176    # endif /* INCLUDE_EXTERNAL_FORCING_PACKAGE */
177    
178    #if (defined (ALLOW_ADJOINT_RUN) || defined (ALLOW_TANGENTLINEAR_RUN))
179    c--   Add control vector for forcing and parameter fields
180          if ( myiter .EQ. nIter0 )
181         &     CALL CTRL_MAP_FORCING (mythid)
182  #endif  #endif
183    
184    # ifdef ALLOW_SEAICE
185    C--   Call sea ice model to compute forcing/external data fields.  In
186    C     addition to computing prognostic sea-ice variables and diagnosing the
187    C     forcing/external data fields that drive the ocean model, SEAICE_MODEL
188    C     also sets theta to the freezing point under sea-ice.  The implied
189    C     surface heat flux is then stored in variable surfaceTendencyTice,
190    C     which is needed by KPP package (kpp_calc.F and kpp_transport_t.F)
191    C     to diagnose surface buoyancy fluxes and for the non-local transport
192    C     term.  Because this call precedes model thermodynamics, temperature
193    C     under sea-ice may not be "exactly" at the freezing point by the time
194    C     theta is dumped or time-averaged.
195          IF ( useSEAICE ) THEN
196             CALL TIMER_START('SEAICE_MODEL       [FORWARD_STEP]',myThid)
197             CALL SEAICE_MODEL( myTime, myIter, myThid )
198             CALL TIMER_STOP ('SEAICE_MODEL       [FORWARD_STEP]',myThid)
199          ENDIF
200    # endif /* ALLOW_SEAICE */
201    #endif /* ALLOW_BULK_FORCE */
202    
203  C--     Step forward fields and calculate time tendency terms.  C--     Step forward fields and calculate time tendency terms.
204          CALL TIMER_START('THERMODYNAMICS      [THE_MAIN_LOOP]',mythid)          CALL TIMER_START('THERMODYNAMICS      [FORWARD_STEP]',mythid)
205          CALL THERMODYNAMICS( myTime, myIter, myThid )          CALL THERMODYNAMICS( myTime, myIter, myThid )
206          CALL TIMER_STOP ('THERMODYNAMICS      [THE_MAIN_LOOP]',mythid)          CALL TIMER_STOP ('THERMODYNAMICS      [FORWARD_STEP]',mythid)
207    
208    C--   do exchanges (needed for DYNAMICS) when using stagger time-step :
209            CALL TIMER_START('BLOCKING_EXCHANGES  [FORWARD_STEP]',myThid)
210            CALL DO_STAGGER_FIELDS_EXCHANGES( myTime, myIter, myThid )
211            CALL TIMER_STOP ('BLOCKING_EXCHANGES  [FORWARD_STEP]',myThid)
212    
213  #ifdef ALLOW_SHAP_FILT  #ifdef ALLOW_SHAP_FILT
214         IF (useSHAP_FILT .AND.        IF (useSHAP_FILT .AND.
215       &     staggerTimeStep .AND. shap_filt_TrStagg ) THEN       &     staggerTimeStep .AND. shap_filt_TrStagg ) THEN
216          CALL TIMER_START('SHAP_FILT           [THE_MAIN_LOOP]',myThid)          CALL TIMER_START('SHAP_FILT           [FORWARD_STEP]',myThid)
217          CALL SHAP_FILT_APPLY_TS( gT, gS, myTime, myIter, myThid )          CALL SHAP_FILT_APPLY_TS( gT, gS, myTime, myIter, myThid )
218          CALL TIMER_STOP ('SHAP_FILT           [THE_MAIN_LOOP]',myThid)          CALL TIMER_STOP ('SHAP_FILT           [FORWARD_STEP]',myThid)
219         ENDIF        ENDIF
220  #endif  #endif
221  #ifdef ALLOW_ZONAL_FILT  #ifdef ALLOW_ZONAL_FILT
222         IF (useZONAL_FILT .AND.        IF (useZONAL_FILT .AND.
223       &     staggerTimeStep .AND. zonal_filt_TrStagg ) THEN       &     staggerTimeStep .AND. zonal_filt_TrStagg ) THEN
224          CALL TIMER_START('ZONAL_FILT_APPLY    [THE_MAIN_LOOP]',myThid)          CALL TIMER_START('ZONAL_FILT_APPLY    [FORWARD_STEP]',myThid)
225          CALL ZONAL_FILT_APPLY_TS( gT, gS, myThid )          CALL ZONAL_FILT_APPLY_TS( gT, gS, myThid )
226          CALL TIMER_STOP ('ZONAL_FILT_APPLY    [THE_MAIN_LOOP]',myThid)          CALL TIMER_STOP ('ZONAL_FILT_APPLY    [FORWARD_STEP]',myThid)
227        ENDIF        ENDIF
228  #endif    #endif  
229    
230  C--     Step forward fields and calculate time tendency terms.  C--   Step forward fields and calculate time tendency terms.
231          IF ( momStepping ) THEN        IF ( momStepping ) THEN
232          CALL TIMER_START('DYNAMICS            [THE_MAIN_LOOP]',mythid)          CALL TIMER_START('DYNAMICS            [FORWARD_STEP]',mythid)
233          CALL DYNAMICS( myTime, myIter, myThid )          CALL DYNAMICS( myTime, myIter, myThid )
234          CALL TIMER_STOP ('DYNAMICS            [THE_MAIN_LOOP]',mythid)          CALL TIMER_STOP ('DYNAMICS            [FORWARD_STEP]',mythid)
235          ENDIF        ENDIF
236    
237  #ifdef ALLOW_NONHYDROSTATIC  #ifdef ALLOW_NONHYDROSTATIC
238  C--   Step forward W field in N-H algorithm  C--   Step forward W field in N-H algorithm
239          IF ( momStepping .AND. nonHydrostatic ) THEN        IF ( momStepping .AND. nonHydrostatic ) THEN
240            CALL TIMER_START('CALC_GW          [THE_MAIN_LOOP]',myThid)           CALL TIMER_START('CALC_GW          [FORWARD_STEP]',myThid)
241            CALL CALC_GW(myThid)           CALL CALC_GW(myThid)
242            CALL TIMER_STOP ('CALC_GW          [THE_MAIN_LOOP]',myThid)           CALL TIMER_STOP ('CALC_GW          [FORWARD_STEP]',myThid)
243          ENDIF        ENDIF
244  #endif  #endif
245    
246  #ifdef NONLIN_FRSURF  #ifdef NONLIN_FRSURF
247  C--   update hfacC,W,S and recip_hFac according to etaH(n+1) :  C--   update hfacC,W,S and recip_hFac according to etaH(n+1) :
       IF ( momStepping ) THEN  
248        IF ( nonlinFreeSurf.GT.0) THEN        IF ( nonlinFreeSurf.GT.0) THEN
249           IF ( select_rStar.GT.0 ) THEN
250            CALL TIMER_START('UPDATE_R_STAR      [FORWARD_STEP]',myThid)
251            CALL UPDATE_R_STAR( myTime, myIter, myThid )
252            CALL TIMER_STOP ('UPDATE_R_STAR      [FORWARD_STEP]',myThid)
253           ELSE
254            CALL TIMER_START('UPDATE_SURF_DR     [FORWARD_STEP]',myThid)
255          CALL UPDATE_SURF_DR( myTime, myIter, myThid )          CALL UPDATE_SURF_DR( myTime, myIter, myThid )
256            CALL TIMER_STOP ('UPDATE_SURF_DR     [FORWARD_STEP]',myThid)
257           ENDIF
258        ENDIF        ENDIF
259  C-    update also CG2D matrix (and preconditioner)  C-    update also CG2D matrix (and preconditioner)
260        IF ( nonlinFreeSurf.GT.2) THEN        IF ( momStepping .AND. nonlinFreeSurf.GT.2 ) THEN
261            CALL TIMER_START('UPDATE_CG2D        [FORWARD_STEP]',myThid)
262          CALL UPDATE_CG2D( myTime, myIter, myThid )          CALL UPDATE_CG2D( myTime, myIter, myThid )
263        ENDIF          CALL TIMER_STOP ('UPDATE_CG2D        [FORWARD_STEP]',myThid)
264        ENDIF        ENDIF
265  #endif  #endif
266    
267  C--   Apply Filters to u*,v* before SOLVE_FOR_PRESSURE  C--   Apply Filters to u*,v* before SOLVE_FOR_PRESSURE
268  #ifdef ALLOW_SHAP_FILT  #ifdef ALLOW_SHAP_FILT
269        IF (useSHAP_FILT .AND. shap_filt_uvStar) THEN        IF (useSHAP_FILT .AND. shap_filt_uvStar) THEN
270          CALL TIMER_START('SHAP_FILT           [THE_MAIN_LOOP]',myThid)          CALL TIMER_START('SHAP_FILT           [FORWARD_STEP]',myThid)
271          CALL SHAP_FILT_APPLY_UV( gUnm1,gVnm1, myTime,myIter,myThid )          CALL SHAP_FILT_APPLY_UV( gUnm1,gVnm1, myTime,myIter,myThid )
272          IF (implicDiv2Dflow.LT.1.) THEN          IF (implicDiv2Dflow.LT.1.) THEN
273  C--   Explicit+Implicit part of the Barotropic Flow Divergence  C--   Explicit+Implicit part of the Barotropic Flow Divergence
274  C      => Filtering of uVel,vVel is necessary  C      => Filtering of uVel,vVel is necessary
275            CALL SHAP_FILT_APPLY_UV( uVel,vVel, myTime,myIter,myThid )            CALL SHAP_FILT_APPLY_UV( uVel,vVel, myTime,myIter,myThid )
276          ENDIF          ENDIF
277          CALL TIMER_STOP ('SHAP_FILT           [THE_MAIN_LOOP]',myThid)          CALL TIMER_STOP ('SHAP_FILT           [FORWARD_STEP]',myThid)
278        ENDIF        ENDIF
279  #endif  #endif
280  #ifdef ALLOW_ZONAL_FILT  #ifdef ALLOW_ZONAL_FILT
281        IF (useZONAL_FILT .AND. zonal_filt_uvStar) THEN        IF (useZONAL_FILT .AND. zonal_filt_uvStar) THEN
282          CALL TIMER_START('ZONAL_FILT_APPLY    [THE_MAIN_LOOP]',myThid)          CALL TIMER_START('ZONAL_FILT_APPLY    [FORWARD_STEP]',myThid)
283          CALL ZONAL_FILT_APPLY_UV( gUnm1, gVnm1, myThid )          CALL ZONAL_FILT_APPLY_UV( gUnm1, gVnm1, myThid )
284          IF (implicDiv2Dflow.LT.1.) THEN          IF (implicDiv2Dflow.LT.1.) THEN
285  C--   Explicit+Implicit part of the Barotropic Flow Divergence  C--   Explicit+Implicit part of the Barotropic Flow Divergence
286  C      => Filtering of uVel,vVel is necessary  C      => Filtering of uVel,vVel is necessary
287            CALL ZONAL_FILT_APPLY_UV( uVel, vVel, myThid )            CALL ZONAL_FILT_APPLY_UV( uVel, vVel, myThid )
288          ENDIF          ENDIF
289          CALL TIMER_STOP ('ZONAL_FILT_APPLY    [THE_MAIN_LOOP]',myThid)          CALL TIMER_STOP ('ZONAL_FILT_APPLY    [FORWARD_STEP]',myThid)
290        ENDIF        ENDIF
291  #endif    #endif  
292    
# Line 216  C--   Solve elliptic equation(s). Line 294  C--   Solve elliptic equation(s).
294  C     Two-dimensional only for conventional hydrostatic or  C     Two-dimensional only for conventional hydrostatic or
295  C     three-dimensional for non-hydrostatic and/or IGW scheme.  C     three-dimensional for non-hydrostatic and/or IGW scheme.
296        IF ( momStepping ) THEN        IF ( momStepping ) THEN
297        CALL TIMER_START('SOLVE_FOR_PRESSURE  [THE_MAIN_LOOP]',myThid)        CALL TIMER_START('SOLVE_FOR_PRESSURE  [FORWARD_STEP]',myThid)
298        CALL SOLVE_FOR_PRESSURE(myTime, myIter, myThid)        CALL SOLVE_FOR_PRESSURE(myTime, myIter, myThid)
299        CALL TIMER_STOP ('SOLVE_FOR_PRESSURE  [THE_MAIN_LOOP]',myThid)        CALL TIMER_STOP ('SOLVE_FOR_PRESSURE  [FORWARD_STEP]',myThid)
300        ENDIF        ENDIF
301    
302    #ifdef ALLOW_AUTODIFF_TAMC
303    cph This is needed because convective_adjustment calls
304    cph find_rho which may use pressure()
305    CADJ STORE pressure  = comlev1, key = ikey_dynamics
306    #endif
307  C--   Correct divergence in flow field and cycle time-stepping  C--   Correct divergence in flow field and cycle time-stepping
308  C     arrays (for all fields) ; update time-counter  C     arrays (for all fields) ; update time-counter
309        myIter = nIter0 + iLoop        myIter = nIter0 + iLoop
310        myTime = startTime + deltaTClock * float(iLoop)        myTime = startTime + deltaTClock * float(iLoop)
311        CALL TIMER_START('THE_CORRECTION_STEP [THE_MAIN_LOOP]',myThid)        CALL TIMER_START('THE_CORRECTION_STEP [FORWARD_STEP]',myThid)
312        CALL THE_CORRECTION_STEP(myTime, myIter, myThid)        CALL THE_CORRECTION_STEP(myTime, myIter, myThid)
313        CALL TIMER_STOP ('THE_CORRECTION_STEP [THE_MAIN_LOOP]',myThid)        CALL TIMER_STOP ('THE_CORRECTION_STEP [FORWARD_STEP]',myThid)
314    
315  C--   Do "blocking" sends and receives for tendency "overlap" terms  C--   Do "blocking" sends and receives for tendency "overlap" terms
316  c     CALL TIMER_START('BLOCKING_EXCHANGES  [THE_MAIN_LOOP]',myThid)  c     CALL TIMER_START('BLOCKING_EXCHANGES  [FORWARD_STEP]',myThid)
317  c     CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )  c     CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )
318  c     CALL TIMER_STOP ('BLOCKING_EXCHANGES  [THE_MAIN_LOOP]',myThid)  c     CALL TIMER_STOP ('BLOCKING_EXCHANGES  [FORWARD_STEP]',myThid)
319    
320  C--   Do "blocking" sends and receives for field "overlap" terms  C--   Do "blocking" sends and receives for field "overlap" terms
321        CALL TIMER_START('BLOCKING_EXCHANGES  [THE_MAIN_LOOP]',myThid)        CALL TIMER_START('BLOCKING_EXCHANGES  [FORWARD_STEP]',myThid)
322        CALL DO_FIELDS_BLOCKING_EXCHANGES( myThid )        CALL DO_FIELDS_BLOCKING_EXCHANGES( myThid )
323        CALL TIMER_STOP ('BLOCKING_EXCHANGES  [THE_MAIN_LOOP]',myThid)        CALL TIMER_STOP ('BLOCKING_EXCHANGES  [FORWARD_STEP]',myThid)
324    
325  #ifdef ALLOW_FLT  #ifdef ALLOW_FLT
326  C--   Calculate float trajectories  C--   Calculate float trajectories
327        IF (useFLT) THEN        IF (useFLT) THEN
328          CALL TIMER_START('FLOATS            [THE_MAIN_LOOP]',myThid)          CALL TIMER_START('FLOATS            [FORWARD_STEP]',myThid)
329          CALL FLT_MAIN(myIter,myTime, myThid)          CALL FLT_MAIN(myIter,myTime, myThid)
330          CALL TIMER_STOP ('FLOATS            [THE_MAIN_LOOP]',myThid)          CALL TIMER_STOP ('FLOATS            [FORWARD_STEP]',myThid)
331        ENDIF        ENDIF
332  #endif  #endif
333    
334  #ifndef EXCLUDE_MONITOR  #ifndef EXCLUDE_MONITOR
335  C--   Check status of solution (statistics, cfl, etc...)  C--   Check status of solution (statistics, cfl, etc...)
336          CALL TIMER_START('MONITOR             [FORWARD_STEP]',myThid)
337        CALL MONITOR( myIter, myTime, myThid )        CALL MONITOR( myIter, myTime, myThid )
338          CALL TIMER_STOP ('MONITOR             [FORWARD_STEP]',myThid)
339  #endif /* EXCLUDE_MONITOR */  #endif /* EXCLUDE_MONITOR */
340    
 #ifndef ALLOW_AUTODIFF_TAMC  
341  C--   Do IO if needed.  C--   Do IO if needed.
342        CALL TIMER_START('DO_THE_MODEL_IO     [THE_MAIN_LOOP]',myThid)        CALL TIMER_START('DO_THE_MODEL_IO     [FORWARD_STEP]',myThid)
343        CALL DO_THE_MODEL_IO( myTime, myIter, myThid )        CALL DO_THE_MODEL_IO( myTime, myIter, myThid )
344        CALL TIMER_STOP ('DO_THE_MODEL_IO     [THE_MAIN_LOOP]',myThid)        CALL TIMER_STOP ('DO_THE_MODEL_IO     [FORWARD_STEP]',myThid)
345    
346  C--   Save state for restarts  C--   Save state for restarts
347  C     Note:    (jmc: is it still the case after ckp35 ?)  C     Note:    (jmc: is it still the case after ckp35 ?)
# Line 272  C     Thus a checkpoint contains U.00000 Line 356  C     Thus a checkpoint contains U.00000
356  C     etaN.0000000001 in the indexing scheme used for the model  C     etaN.0000000001 in the indexing scheme used for the model
357  C     "state" files. This example is referred to as a checkpoint  C     "state" files. This example is referred to as a checkpoint
358  C     at time level 1  C     at time level 1
359        CALL TIMER_START('WRITE_CHECKPOINT    [THE_MAIN_LOOP]',myThid)        CALL TIMER_START('WRITE_CHECKPOINT    [FORWARD_STEP]',myThid)
360        CALL WRITE_CHECKPOINT(        CALL WRITE_CHECKPOINT(
361       &        .FALSE., myTime, myIter, myThid )       &        .FALSE., myTime, myIter, myThid )
362        CALL TIMER_STOP ('WRITE_CHECKPOINT    [THE_MAIN_LOOP]',myThid)        CALL TIMER_STOP ('WRITE_CHECKPOINT    [FORWARD_STEP]',myThid)
   
 #endif /* ALLOW_AUTODIFF_TAMC */  
363    
364        END        END
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