/[MITgcm]/MITgcm/model/src/the_model_main.F
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revision 1.15 by adcroft, Mon Jun 22 15:26:26 1998 UTC revision 1.23 by adcroft, Tue Dec 8 19:44:29 1998 UTC
# Line 1  Line 1 
1  C $Header$  C $Header$
2    
3  #include "CPP_EEOPTIONS.h"  #include "CPP_OPTIONS.h"
4    
5        SUBROUTINE THE_MODEL_MAIN(myThid)        SUBROUTINE THE_MODEL_MAIN(myThid)
6  C     /==========================================================\  C     /==========================================================\
# Line 104  C     I             - Loop counter Line 104  C     I             - Loop counter
104        INTEGER I, myCurrentIter        INTEGER I, myCurrentIter
105        REAL    myCurrentTime        REAL    myCurrentTime
106    
107    C--   This timer encompasses the whole code
108          CALL TIMER_START('ALL',myThid)
109    
110          CALL TIMER_START('SPIN-UP',myThid)
111    
112  C--   Set model initial conditions  C--   Set model initial conditions
113          CALL TIMER_START('INITIALISE          [SPIN-UP]',myThid)
114        CALL INITIALISE( myThid )        CALL INITIALISE( myThid )
115        myCurrentTime = startTime        myCurrentTime = startTime
116        myCurrentIter = nIter0        myCurrentIter = nIter0
117          CALL TIMER_STOP ('INITIALISE          [SPIN-UP]',myThid)
118    
119  C--   Dump for start state  C--   Dump for start state
120          CALL TIMER_START('I/O (WRITE)         [SPIN-UP]',myThid)
121        CALL WRITE_STATE( .TRUE., myCurrentTime, myCurrentIter, myThid )        CALL WRITE_STATE( .TRUE., myCurrentTime, myCurrentIter, myThid )
122          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-UP]',myThid)
123    
124          CALL TIMER_STOP ('SPIN-UP',myThid)
125    
126  C--   Begin time stepping loop  C--   Begin time stepping loop
127          CALL TIMER_START('MAIN LOOP',myThid)
128        DO I=1, nTimeSteps        DO I=1, nTimeSteps
129    
130  C--    Load forcing/external data fields  C--    Load forcing/external data fields
131           CALL TIMER_START('I/O (READ)         [MAIN LOOP]',myThid)
132         CALL LOAD_EXTERNAL_FIELDS( myCurrentTime, myCurrentIter, myThid )         CALL LOAD_EXTERNAL_FIELDS( myCurrentTime, myCurrentIter, myThid )
133           CALL TIMER_STOP ('I/O (READ)         [MAIN LOOP]',myThid)
134    
135    #ifdef INCLUDE_SHAPIRO_FILTER_CODE
136    C--    Step forward all tiles, filter and exchange.
137           CALL TIMER_START('SHAP_FILT          [MAIN LOOP]',myThid)
138           CALL SHAP_FILT( myCurrentTime, myCurrentIter, myThid )
139           CALL TIMER_STOP ('SHAP_FILT          [MAIN LOOP]',myThid)
140    #endif
141    
142    C--    Set Open Boundaries Values
143           IF (openBoundaries) THEN
144            CALL TIMER_START('OBCS               [MAIN LOOP]',myThid)
145            CALL SET_OBCS( myCurrentTime, myThid )
146            CALL TIMER_STOP ('OBCS               [MAIN LOOP]',myThid)
147           ENDIF
148    
149  C--    Step forward fields and calculate time tendency terms  C--    Step forward fields and calculate time tendency terms
150           CALL TIMER_START('DYNAMICS           [MAIN LOOP]',myThid)
151         CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )         CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )
152           CALL TIMER_STOP ('DYNAMICS           [MAIN LOOP]',myThid)
153    
154  C--    Do time averages  C--    Do time averages
155    #ifdef INCLUDE_DIAGNOSTICS_INTERFACE_CODE
156           CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
157         IF (taveFreq.GT.0.) THEN         IF (taveFreq.GT.0.) THEN
158           CALL DO_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )          CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )
159         ENDIF         ENDIF
160           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
161    #endif
162    
163  C--    Do IO if needed.  C--    Do IO if needed.
164  C      Note:  C      Note:
# Line 132  C      ===== Line 166  C      =====
166  C      At this point model arrays hold U,V,T,S  at "time-level" N  C      At this point model arrays hold U,V,T,S  at "time-level" N
167  C      and cg2d_x at "time-level" N-1/2 where N = I+timeLevBase-1.  C      and cg2d_x at "time-level" N-1/2 where N = I+timeLevBase-1.
168  C      By convention this is taken to be the model "state".  C      By convention this is taken to be the model "state".
169           CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
170         CALL DO_THE_MODEL_IO( myCurrentTime, myCurrentIter, myThid )         CALL DO_THE_MODEL_IO( myCurrentTime, myCurrentIter, myThid )
171           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
172    
173  C--    Solve elliptic equation(s).  C--    Solve elliptic equation(s).
174  C      Two-dimensional only for conventional hydrostatic or  C      Two-dimensional only for conventional hydrostatic or
175  C      three-dimensional for non-hydrostatic and/or IGW scheme.  C      three-dimensional for non-hydrostatic and/or IGW scheme.
176           CALL TIMER_START('SOLVE_FOR_PRESSURE [MAIN LOOP]',myThid)
177         CALL SOLVE_FOR_PRESSURE( myThid )         CALL SOLVE_FOR_PRESSURE( myThid )
178           CALL TIMER_STOP ('SOLVE_FOR_PRESSURE [MAIN LOOP]',myThid)
179    
180  C--    Do "blocking" sends and receives for tendency "overlap" terms  C--    Do "blocking" sends and receives for tendency "overlap" terms
181           CALL TIMER_START('BLOCKING_EXCHANGES [MAIN LOOP]',myThid)
182         CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )         CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )
183           CALL TIMER_STOP ('BLOCKING_EXCHANGES [MAIN LOOP]',myThid)
184    
185         myCurrentIter = myCurrentIter + 1         myCurrentIter = myCurrentIter + 1
186         myCurrentTime = myCurrentTime + deltaTClock         myCurrentTime = myCurrentTime + deltaTClock
# Line 158  C      Thus a checkpoint contains U.0000 Line 198  C      Thus a checkpoint contains U.0000
198  C      cg2d_x.0000000001 in the indexing scheme used for the model  C      cg2d_x.0000000001 in the indexing scheme used for the model
199  C      "state" files. This example is referred to as a checkpoint  C      "state" files. This example is referred to as a checkpoint
200  C      at time level 1  C      at time level 1
201         CALL WRITE_CHECKPOINT( .FALSE., myCurrentTime, myCurrentIter, myThid )         CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
202           CALL
203         & WRITE_CHECKPOINT( .FALSE., myCurrentTime, myCurrentIter, myThid )
204           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
205    
206        ENDDO        ENDDO
207          CALL TIMER_STOP ('MAIN LOOP',myThid)
208          CALL TIMER_START('SPIN-DOWN',myThid)
209    
210  C--   Final checkpoint (incase the in-loop checkpoint was missed)  C--   Final checkpoint (incase the in-loop checkpoint was missed)
211        CALL WRITE_CHECKPOINT( .TRUE., myCurrentTime, myCurrentIter, myThid )        CALL TIMER_START('I/O (WRITE)         [SPIN-DOWN]',myThid)
212          CALL
213         & WRITE_CHECKPOINT( .TRUE., myCurrentTime, myCurrentIter, myThid )
214          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-DOWN]',myThid)
215    
216    C--   Set Open Boundaries Values
217          IF (openBoundaries) THEN
218           CALL TIMER_START('OBCS               [SPIN_DOWN]',myThid)
219           CALL SET_OBCS( myCurrentTime, myThid )
220           CALL TIMER_STOP ('OBCS               [SPIN_DOWN]',myThid)
221          ENDIF
222    
223  C--   Step-forward U/V/Theta/Salt for purposes of final I/O dump  C--   Step-forward U/V/Theta/Salt for purposes of final I/O dump
224          CALL TIMER_START('DYNAMICS            [SPIN-DOWN]',myThid)
225        CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )        CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )
226          CALL TIMER_STOP ('DYNAMICS            [SPIN-DOWN]',myThid)
227    
228  C--   Do time averages  C--   Do time averages
229    #ifdef ALLOW_DIAGNOSTICS
230        IF (taveFreq.GT.0.) THEN        IF (taveFreq.GT.0.) THEN
231          CALL DO_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )         CALL TIMER_START('I/O (WRITE)        [SPIN-DOWN]',myThid)
232           CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )
233           CALL TIMER_STOP ('I/O (WRITE)        [SPIN-DOWN]',myThid)
234        ENDIF        ENDIF
235    #endif
236    
237  C--   Dump for end state  C--   Dump for end state
238          CALL TIMER_START('I/O (WRITE)         [SPIN-DOWN]',myThid)
239        CALL WRITE_STATE( .FALSE., myCurrentTime, myCurrentIter, myThid )        CALL WRITE_STATE( .FALSE., myCurrentTime, myCurrentIter, myThid )
240          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-DOWN]',myThid)
241    
242          CALL TIMER_STOP ('SPIN-DOWN',myThid)
243          CALL TIMER_STOP ('ALL',myThid)
244    
245    C--   Write timer statistics
246          IF ( myThid .EQ. 1 ) THEN
247           CALL TIMER_PRINTALL( myThid )
248           CALL COMM_STATS
249          ENDIF
250    
251        RETURN        RETURN
252        END        END
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