/[MITgcm]/MITgcm/model/src/the_model_main.F
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revision 1.18 by adcroft, Wed Jul 1 19:57:22 1998 UTC revision 1.22 by cnh, Fri Nov 6 22:44:49 1998 UTC
# 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    
143  C--    Step forward fields and calculate time tendency terms  C--    Step forward fields and calculate time tendency terms
144           CALL TIMER_START('DYNAMICS           [MAIN LOOP]',myThid)
145         CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )         CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )
146           CALL TIMER_STOP ('DYNAMICS           [MAIN LOOP]',myThid)
147    
148  C--    Do time averages  C--    Do time averages
149  #ifdef ALLOW_DIAGNOSTICS  #ifdef INCLUDE_DIAGNOSTICS_INTERFACE_CODE
150           CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
151         IF (taveFreq.GT.0.) THEN         IF (taveFreq.GT.0.) THEN
152          CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )          CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )
153         ENDIF         ENDIF
154           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
155  #endif  #endif
156    
157  C--    Do IO if needed.  C--    Do IO if needed.
# Line 134  C      ===== Line 160  C      =====
160  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
161  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.
162  C      By convention this is taken to be the model "state".  C      By convention this is taken to be the model "state".
163           CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
164         CALL DO_THE_MODEL_IO( myCurrentTime, myCurrentIter, myThid )         CALL DO_THE_MODEL_IO( myCurrentTime, myCurrentIter, myThid )
165           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
166    
167  C--    Solve elliptic equation(s).  C--    Solve elliptic equation(s).
168  C      Two-dimensional only for conventional hydrostatic or  C      Two-dimensional only for conventional hydrostatic or
169  C      three-dimensional for non-hydrostatic and/or IGW scheme.  C      three-dimensional for non-hydrostatic and/or IGW scheme.
170           CALL TIMER_START('SOLVE_FOR_PRESSURE [MAIN LOOP]',myThid)
171         CALL SOLVE_FOR_PRESSURE( myThid )         CALL SOLVE_FOR_PRESSURE( myThid )
172           CALL TIMER_STOP ('SOLVE_FOR_PRESSURE [MAIN LOOP]',myThid)
173    
174  C--    Do "blocking" sends and receives for tendency "overlap" terms  C--    Do "blocking" sends and receives for tendency "overlap" terms
175           CALL TIMER_START('BLOCKING_EXCHANGES [MAIN LOOP]',myThid)
176         CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )         CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )
177           CALL TIMER_STOP ('BLOCKING_EXCHANGES [MAIN LOOP]',myThid)
178    
179         myCurrentIter = myCurrentIter + 1         myCurrentIter = myCurrentIter + 1
180         myCurrentTime = myCurrentTime + deltaTClock         myCurrentTime = myCurrentTime + deltaTClock
# Line 160  C      Thus a checkpoint contains U.0000 Line 192  C      Thus a checkpoint contains U.0000
192  C      cg2d_x.0000000001 in the indexing scheme used for the model  C      cg2d_x.0000000001 in the indexing scheme used for the model
193  C      "state" files. This example is referred to as a checkpoint  C      "state" files. This example is referred to as a checkpoint
194  C      at time level 1  C      at time level 1
195         CALL WRITE_CHECKPOINT( .FALSE., myCurrentTime, myCurrentIter, myThid )         CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
196           CALL
197         & WRITE_CHECKPOINT( .FALSE., myCurrentTime, myCurrentIter, myThid )
198           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
199    
200        ENDDO        ENDDO
201          CALL TIMER_STOP ('MAIN LOOP',myThid)
202          CALL TIMER_START('SPIN-DOWN',myThid)
203    
204  C--   Final checkpoint (incase the in-loop checkpoint was missed)  C--   Final checkpoint (incase the in-loop checkpoint was missed)
205        CALL WRITE_CHECKPOINT( .TRUE., myCurrentTime, myCurrentIter, myThid )        CALL TIMER_START('I/O (WRITE)         [SPIN-DOWN]',myThid)
206          CALL
207         & WRITE_CHECKPOINT( .TRUE., myCurrentTime, myCurrentIter, myThid )
208          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-DOWN]',myThid)
209    
210  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
211          CALL TIMER_START('DYNAMICS            [SPIN-DOWN]',myThid)
212        CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )        CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )
213          CALL TIMER_STOP ('DYNAMICS            [SPIN-DOWN]',myThid)
214    
215  C--   Do time averages  C--   Do time averages
216  #ifdef ALLOW_DIAGNOSTICS  #ifdef ALLOW_DIAGNOSTICS
217        IF (taveFreq.GT.0.) THEN        IF (taveFreq.GT.0.) THEN
218          CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )         CALL TIMER_START('I/O (WRITE)        [SPIN-DOWN]',myThid)
219           CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )
220           CALL TIMER_STOP ('I/O (WRITE)        [SPIN-DOWN]',myThid)
221        ENDIF        ENDIF
222  #endif  #endif
223    
224  C--   Dump for end state  C--   Dump for end state
225          CALL TIMER_START('I/O (WRITE)         [SPIN-DOWN]',myThid)
226        CALL WRITE_STATE( .FALSE., myCurrentTime, myCurrentIter, myThid )        CALL WRITE_STATE( .FALSE., myCurrentTime, myCurrentIter, myThid )
227          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-DOWN]',myThid)
228    
229          CALL TIMER_STOP ('SPIN-DOWN',myThid)
230          CALL TIMER_STOP ('ALL',myThid)
231    
232    C--   Write timer statistics
233          IF ( myThid .EQ. 1 ) THEN
234           CALL TIMER_PRINTALL( myThid )
235           CALL COMM_STATS
236          ENDIF
237    
238        RETURN        RETURN
239        END        END
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