/[MITgcm]/MITgcm/model/src/the_model_main.F
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revision 1.14 by adcroft, Thu Jun 18 13:56:06 1998 UTC revision 1.27 by adcroft, Mon Mar 22 16:44:17 1999 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 22  C     | ===== Line 22  C     | =====
22  C     | C*P* comments indicating place holders for which code is |  C     | C*P* comments indicating place holders for which code is |
23  C     |      presently being developed.                          |  C     |      presently being developed.                          |
24  C     \==========================================================/  C     \==========================================================/
25          IMPLICIT NONE
26  C  C
27  C     Call Tree  C     Call Tree
28  C     =========  C     =========
# Line 84  C     == Global variables === Line 85  C     == Global variables ===
85  #include "SIZE.h"  #include "SIZE.h"
86  #include "EEPARAMS.h"  #include "EEPARAMS.h"
87  #include "PARAMS.h"  #include "PARAMS.h"
 #include "CG2D.h"  
88  #include "DYNVARS.h"  #include "DYNVARS.h"
89  #include "AVER.h"  #include "CG2D.h"
90    #ifdef ALLOW_NONHYDROSTATIC
91    #include "CG3D.h"
92    #endif
93    
94  C     == Routine arguments ==  C     == Routine arguments ==
95  C     myThid - Thread number for this instance of the routine.  C     myThid - Thread number for this instance of the routine.
# Line 103  C     myCurrentTime - Time counter for t Line 106  C     myCurrentTime - Time counter for t
106  C     I             - Loop counter  C     I             - Loop counter
107        INTEGER I, myCurrentIter        INTEGER I, myCurrentIter
108        REAL    myCurrentTime        REAL    myCurrentTime
109          CHARACTER*(30) suff
110    
111    C--   This timer encompasses the whole code
112          CALL TIMER_START('ALL',myThid)
113    
114          CALL TIMER_START('SPIN-UP',myThid)
115    
116  C--   Set model initial conditions  C--   Set model initial conditions
117          CALL TIMER_START('INITIALISE          [SPIN-UP]',myThid)
118        CALL INITIALISE( myThid )        CALL INITIALISE( myThid )
119        myCurrentTime = startTime        myCurrentTime = startTime
120        myCurrentIter = nIter0        myCurrentIter = nIter0
121          CALL TIMER_STOP ('INITIALISE          [SPIN-UP]',myThid)
122    
123    C--   Dump for start state
124          CALL TIMER_START('I/O (WRITE)         [SPIN-UP]',myThid)
125          CALL WRITE_STATE( .TRUE., myCurrentTime, myCurrentIter, myThid )
126          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-UP]',myThid)
127    
128          CALL TIMER_STOP ('SPIN-UP',myThid)
129    
130  C--   Begin time stepping loop  C--   Begin time stepping loop
131          CALL TIMER_START('MAIN LOOP',myThid)
132        DO I=1, nTimeSteps        DO I=1, nTimeSteps
133    
134  C--    Load forcing/external data fields  C--    Load forcing/external data fields
135           CALL TIMER_START('I/O (READ)         [MAIN LOOP]',myThid)
136         CALL LOAD_EXTERNAL_FIELDS( myCurrentTime, myCurrentIter, myThid )         CALL LOAD_EXTERNAL_FIELDS( myCurrentTime, myCurrentIter, myThid )
137           CALL TIMER_STOP ('I/O (READ)         [MAIN LOOP]',myThid)
138    
139    #ifdef INCLUDE_SHAPIRO_FILTER_CODE
140    C--    Step forward all tiles, filter and exchange.
141           CALL TIMER_START('SHAP_FILT          [MAIN LOOP]',myThid)
142           CALL SHAP_FILT( myCurrentTime, myCurrentIter, myThid )
143           CALL TIMER_STOP ('SHAP_FILT          [MAIN LOOP]',myThid)
144    #endif
145    
146    C--    Set Open Boundaries Values
147           IF (openBoundaries) THEN
148            CALL TIMER_START('OBCS               [MAIN LOOP]',myThid)
149            CALL SET_OBCS( myCurrentTime, myThid )
150            CALL TIMER_STOP ('OBCS               [MAIN LOOP]',myThid)
151           ENDIF
152    
153  C--    Step forward fields and calculate time tendency terms  C--    Step forward fields and calculate time tendency terms
154           CALL TIMER_START('DYNAMICS           [MAIN LOOP]',myThid)
155         CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )         CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )
156           CALL TIMER_STOP ('DYNAMICS           [MAIN LOOP]',myThid)
157    
158    #ifdef ALLOW_NONHYDROSTATIC
159    C--    Step forward W field in N-H algorithm
160           IF ( nonHydrostatic ) THEN
161            CALL TIMER_START('CALC_GW            [MAIN LOOP]',myThid)
162            CALL CALC_GW( myThid)
163            CALL TIMER_STOP ('CALC_GW            [MAIN LOOP]',myThid)
164           ENDIF
165    #endif
166    
167  C--    Do time averages  C--    Do time averages
168    #ifdef INCLUDE_DIAGNOSTICS_INTERFACE_CODE
169           CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
170         IF (taveFreq.GT.0.) THEN         IF (taveFreq.GT.0.) THEN
171           CALL DO_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )          CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )
172         ENDIF         ENDIF
173           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
174    #endif
175    
176  C--    Do IO if needed.  C--    Do IO if needed.
177  C      Note:  C      Note:
# Line 129  C      ===== Line 179  C      =====
179  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
180  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.
181  C      By convention this is taken to be the model "state".  C      By convention this is taken to be the model "state".
182           CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
183         CALL DO_THE_MODEL_IO( myCurrentTime, myCurrentIter, myThid )         CALL DO_THE_MODEL_IO( myCurrentTime, myCurrentIter, myThid )
184           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
185    
186  C--    Solve elliptic equation(s).  C--    Solve elliptic equation(s).
187  C      Two-dimensional only for conventional hydrostatic or  C      Two-dimensional only for conventional hydrostatic or
188  C      three-dimensional for non-hydrostatic and/or IGW scheme.  C      three-dimensional for non-hydrostatic and/or IGW scheme.
189           CALL TIMER_START('SOLVE_FOR_PRESSURE [MAIN LOOP]',myThid)
190         CALL SOLVE_FOR_PRESSURE( myThid )         CALL SOLVE_FOR_PRESSURE( myThid )
191           CALL TIMER_STOP ('SOLVE_FOR_PRESSURE [MAIN LOOP]',myThid)
192    
193  C--    Do "blocking" sends and receives for tendency "overlap" terms  C--    Do "blocking" sends and receives for tendency "overlap" terms
194           CALL TIMER_START('BLOCKING_EXCHANGES [MAIN LOOP]',myThid)
195         CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )         CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )
196           CALL TIMER_STOP ('BLOCKING_EXCHANGES [MAIN LOOP]',myThid)
197    
198         myCurrentIter = myCurrentIter + 1         myCurrentIter = myCurrentIter + 1
199         myCurrentTime = myCurrentTime + deltaTClock         myCurrentTime = myCurrentTime + deltaTClock
# Line 155  C      Thus a checkpoint contains U.0000 Line 211  C      Thus a checkpoint contains U.0000
211  C      cg2d_x.0000000001 in the indexing scheme used for the model  C      cg2d_x.0000000001 in the indexing scheme used for the model
212  C      "state" files. This example is referred to as a checkpoint  C      "state" files. This example is referred to as a checkpoint
213  C      at time level 1  C      at time level 1
214         CALL WRITE_CHECKPOINT( .FALSE., myCurrentTime, myCurrentIter, myThid )         CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
215           CALL
216         & WRITE_CHECKPOINT( .FALSE., myCurrentTime, myCurrentIter, myThid )
217           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
218    
219        ENDDO        ENDDO
220          CALL TIMER_STOP ('MAIN LOOP',myThid)
221          CALL TIMER_START('SPIN-DOWN',myThid)
222    
223  C--   Final checkpoint (incase the in-loop checkpoint was missed)  C--   Final checkpoint (incase the in-loop checkpoint was missed)
224        CALL WRITE_CHECKPOINT( .TRUE., myCurrentTime, myCurrentIter, myThid )        CALL TIMER_START('I/O (WRITE)         [SPIN-DOWN]',myThid)
225          CALL
226         & WRITE_CHECKPOINT( .TRUE., myCurrentTime, myCurrentIter, myThid )
227          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-DOWN]',myThid)
228    
229    C--   Set Open Boundaries Values
230          IF (openBoundaries) THEN
231           CALL TIMER_START('OBCS               [SPIN_DOWN]',myThid)
232           CALL SET_OBCS( myCurrentTime, myThid )
233           CALL TIMER_STOP ('OBCS               [SPIN_DOWN]',myThid)
234          ENDIF
235    
236  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
237          CALL TIMER_START('DYNAMICS            [SPIN-DOWN]',myThid)
238        CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )        CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )
239          CALL TIMER_STOP ('DYNAMICS            [SPIN-DOWN]',myThid)
240    
241    #ifdef ALLOW_NONHYDROSTATIC
242          IF ( nonHydrostatic ) THEN
243    C--    Step forward W field in N-H algorithm
244           CALL TIMER_START('CALC_GW            [SPIN-DOWN]',myThid)
245           CALL CALC_GW( myThid)
246           CALL TIMER_STOP ('CALC_GW            [SPIN-DOWN]',myThid)
247          ENDIF
248    #endif
249    
250  C--   Do time averages  C--   Do time averages
251    #ifdef ALLOW_DIAGNOSTICS
252        IF (taveFreq.GT.0.) THEN        IF (taveFreq.GT.0.) THEN
253          CALL DO_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )         CALL TIMER_START('I/O (WRITE)        [SPIN-DOWN]',myThid)
254           CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )
255           CALL TIMER_STOP ('I/O (WRITE)        [SPIN-DOWN]',myThid)
256        ENDIF        ENDIF
257    #endif
258    
259  C--   Dump for end state  C--   Dump for end state
260        CALL WRITE_STATE( myCurrentTime, myCurrentIter, myThid )        CALL TIMER_START('I/O (WRITE)         [SPIN-DOWN]',myThid)
261          CALL WRITE_STATE( .FALSE., myCurrentTime, myCurrentIter, myThid )
262          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-DOWN]',myThid)
263    
264          CALL TIMER_STOP ('SPIN-DOWN',myThid)
265          CALL TIMER_STOP ('ALL',myThid)
266    
267    C--   Write timer statistics
268          IF ( myThid .EQ. 1 ) THEN
269           CALL TIMER_PRINTALL( myThid )
270           CALL COMM_STATS
271          ENDIF
272    
273        RETURN        RETURN
274        END        END
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