/[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 1.29 by adcroft, Fri Jul 30 15:43:00 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 102  C     myCurrentIter - Iteration counter Line 105  C     myCurrentIter - Iteration counter
105  C     myCurrentTime - Time counter for this thread  C     myCurrentTime - Time counter for this thread
106  C     I             - Loop counter  C     I             - Loop counter
107        INTEGER I, myCurrentIter        INTEGER I, myCurrentIter
108        REAL    myCurrentTime        _RL     myCurrentTime
109    
110    C--   This timer encompasses the whole code
111          CALL TIMER_START('ALL',myThid)
112    
113          CALL TIMER_START('SPIN-UP',myThid)
114    
115  C--   Set model initial conditions  C--   Set model initial conditions
116          CALL TIMER_START('INITIALISE          [SPIN-UP]',myThid)
117        CALL INITIALISE( myThid )        CALL INITIALISE( myThid )
118        myCurrentTime = startTime        myCurrentTime = startTime
119        myCurrentIter = nIter0        myCurrentIter = nIter0
120          CALL TIMER_STOP ('INITIALISE          [SPIN-UP]',myThid)
121    
122  C--   Dump for start state  C--   Dump for start state
123          CALL TIMER_START('I/O (WRITE)         [SPIN-UP]',myThid)
124        CALL WRITE_STATE( .TRUE., myCurrentTime, myCurrentIter, myThid )        CALL WRITE_STATE( .TRUE., myCurrentTime, myCurrentIter, myThid )
125          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-UP]',myThid)
126    
127          CALL TIMER_STOP ('SPIN-UP',myThid)
128    
129  C--   Begin time stepping loop  C--   Begin time stepping loop
130          CALL TIMER_START('MAIN LOOP',myThid)
131        DO I=1, nTimeSteps        DO I=1, nTimeSteps
132    
133  C--    Load forcing/external data fields  C--    Load forcing/external data fields
134           CALL TIMER_START('I/O (READ)         [MAIN LOOP]',myThid)
135         CALL LOAD_EXTERNAL_FIELDS( myCurrentTime, myCurrentIter, myThid )         CALL LOAD_EXTERNAL_FIELDS( myCurrentTime, myCurrentIter, myThid )
136           CALL TIMER_STOP ('I/O (READ)         [MAIN LOOP]',myThid)
137    
138    #ifdef INCLUDE_SHAPIRO_FILTER_CODE
139    C--    Step forward all tiles, filter and exchange.
140           CALL TIMER_START('SHAP_FILT          [MAIN LOOP]',myThid)
141           CALL SHAP_FILT( myCurrentTime, myCurrentIter, myThid )
142           CALL TIMER_STOP ('SHAP_FILT          [MAIN LOOP]',myThid)
143    #endif
144    
145    #ifdef ALLOW_OBCS
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    #endif
153    
154  C--    Step forward fields and calculate time tendency terms  C--    Step forward fields and calculate time tendency terms
155           CALL TIMER_START('DYNAMICS           [MAIN LOOP]',myThid)
156         CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )         CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )
157           CALL TIMER_STOP ('DYNAMICS           [MAIN LOOP]',myThid)
158    
159    #ifdef ALLOW_NONHYDROSTATIC
160    C--    Step forward W field in N-H algorithm
161           IF ( nonHydrostatic ) THEN
162            CALL TIMER_START('CALC_GW            [MAIN LOOP]',myThid)
163            CALL CALC_GW( myThid)
164            CALL TIMER_STOP ('CALC_GW            [MAIN LOOP]',myThid)
165           ENDIF
166    #endif
167    
168  C--    Do time averages  C--    Do time averages
169    #ifdef INCLUDE_DIAGNOSTICS_INTERFACE_CODE
170           CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
171         IF (taveFreq.GT.0.) THEN         IF (taveFreq.GT.0.) THEN
172           CALL DO_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )          CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )
173         ENDIF         ENDIF
174           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
175    #endif
176    
177  C--    Do IO if needed.  C--    Do IO if needed.
178  C      Note:  C      Note:
# Line 132  C      ===== Line 180  C      =====
180  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
181  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.
182  C      By convention this is taken to be the model "state".  C      By convention this is taken to be the model "state".
183           CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
184         CALL DO_THE_MODEL_IO( myCurrentTime, myCurrentIter, myThid )         CALL DO_THE_MODEL_IO( myCurrentTime, myCurrentIter, myThid )
185           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
186    
187  C--    Solve elliptic equation(s).  C--    Solve elliptic equation(s).
188  C      Two-dimensional only for conventional hydrostatic or  C      Two-dimensional only for conventional hydrostatic or
189  C      three-dimensional for non-hydrostatic and/or IGW scheme.  C      three-dimensional for non-hydrostatic and/or IGW scheme.
190           CALL TIMER_START('SOLVE_FOR_PRESSURE [MAIN LOOP]',myThid)
191         CALL SOLVE_FOR_PRESSURE( myThid )         CALL SOLVE_FOR_PRESSURE( myThid )
192           CALL TIMER_STOP ('SOLVE_FOR_PRESSURE [MAIN LOOP]',myThid)
193    
194  C--    Do "blocking" sends and receives for tendency "overlap" terms  C--    Do "blocking" sends and receives for tendency "overlap" terms
195           CALL TIMER_START('BLOCKING_EXCHANGES [MAIN LOOP]',myThid)
196         CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )         CALL DO_GTERM_BLOCKING_EXCHANGES( myThid )
197           CALL TIMER_STOP ('BLOCKING_EXCHANGES [MAIN LOOP]',myThid)
198    
199         myCurrentIter = myCurrentIter + 1         myCurrentIter = myCurrentIter + 1
200         myCurrentTime = myCurrentTime + deltaTClock         myCurrentTime = myCurrentTime + deltaTClock
# Line 158  C      Thus a checkpoint contains U.0000 Line 212  C      Thus a checkpoint contains U.0000
212  C      cg2d_x.0000000001 in the indexing scheme used for the model  C      cg2d_x.0000000001 in the indexing scheme used for the model
213  C      "state" files. This example is referred to as a checkpoint  C      "state" files. This example is referred to as a checkpoint
214  C      at time level 1  C      at time level 1
215         CALL WRITE_CHECKPOINT( .FALSE., myCurrentTime, myCurrentIter, myThid )         CALL TIMER_START('I/O (WRITE)        [MAIN LOOP]',myThid)
216           CALL
217         & WRITE_CHECKPOINT( .FALSE., myCurrentTime, myCurrentIter, myThid )
218           CALL TIMER_STOP ('I/O (WRITE)        [MAIN LOOP]',myThid)
219    
220        ENDDO        ENDDO
221          CALL TIMER_STOP ('MAIN LOOP',myThid)
222          CALL TIMER_START('SPIN-DOWN',myThid)
223    
224  C--   Final checkpoint (incase the in-loop checkpoint was missed)  C--   Final checkpoint (incase the in-loop checkpoint was missed)
225        CALL WRITE_CHECKPOINT( .TRUE., myCurrentTime, myCurrentIter, myThid )        CALL TIMER_START('I/O (WRITE)         [SPIN-DOWN]',myThid)
226          CALL
227         & WRITE_CHECKPOINT( .TRUE., myCurrentTime, myCurrentIter, myThid )
228          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-DOWN]',myThid)
229    
230    #ifdef ALLOW_OBCS
231    C--   Set Open Boundaries Values
232          IF (openBoundaries) THEN
233           CALL TIMER_START('OBCS               [SPIN_DOWN]',myThid)
234           CALL SET_OBCS( myCurrentTime, myThid )
235           CALL TIMER_STOP ('OBCS               [SPIN_DOWN]',myThid)
236          ENDIF
237    #endif
238    
239  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
240          CALL TIMER_START('DYNAMICS            [SPIN-DOWN]',myThid)
241        CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )        CALL DYNAMICS( myCurrentTime, myCurrentIter, myThid )
242          CALL TIMER_STOP ('DYNAMICS            [SPIN-DOWN]',myThid)
243    
244    #ifdef ALLOW_NONHYDROSTATIC
245          IF ( nonHydrostatic ) THEN
246    C--    Step forward W field in N-H algorithm
247           CALL TIMER_START('CALC_GW            [SPIN-DOWN]',myThid)
248           CALL CALC_GW( myThid)
249           CALL TIMER_STOP ('CALC_GW            [SPIN-DOWN]',myThid)
250          ENDIF
251    #endif
252    
253  C--   Do time averages  C--   Do time averages
254    #ifdef ALLOW_DIAGNOSTICS
255        IF (taveFreq.GT.0.) THEN        IF (taveFreq.GT.0.) THEN
256          CALL DO_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )         CALL TIMER_START('I/O (WRITE)        [SPIN-DOWN]',myThid)
257           CALL WRITE_TIME_AVERAGES( myCurrentTime, myCurrentIter, myThid )
258           CALL TIMER_STOP ('I/O (WRITE)        [SPIN-DOWN]',myThid)
259        ENDIF        ENDIF
260    #endif
261    
262  C--   Dump for end state  C--   Dump for end state
263          CALL TIMER_START('I/O (WRITE)         [SPIN-DOWN]',myThid)
264        CALL WRITE_STATE( .FALSE., myCurrentTime, myCurrentIter, myThid )        CALL WRITE_STATE( .FALSE., myCurrentTime, myCurrentIter, myThid )
265          CALL TIMER_STOP ('I/O (WRITE)         [SPIN-DOWN]',myThid)
266    
267          CALL TIMER_STOP ('SPIN-DOWN',myThid)
268          CALL TIMER_STOP ('ALL',myThid)
269    
270    C--   Write timer statistics
271          IF ( myThid .EQ. 1 ) THEN
272           CALL TIMER_PRINTALL( myThid )
273           CALL COMM_STATS
274          ENDIF
275    
276        RETURN        RETURN
277        END        END
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