/[MITgcm]/MITgcm_contrib/mlosch/optim_m1qn3/optim_sub.F
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revision 1.4 by mlosch, Wed May 9 18:33:38 2012 UTC revision 1.7 by mlosch, Tue Jun 2 16:17:24 2015 UTC
# Line 1  Line 1 
1  C $Header$  C $Header$
2  C $Name$  C $Name$
3    
4  c     Include ECCO_CPPOPTIONS because the ecco_ctrl,cost files  C     ECCO_CPPOPTIONS used to affect maxcvars and defined ALLOW_OBCS?_CONTROL
5  c     have headers with options for OBCS masks.  C#include "ECCO_CPPOPTIONS.h"
6  #include "ECCO_CPPOPTIONS.h"  C     now:
7    C     CTRL_OPTIONS affects maxcvars and may define ALLOW_OBCS?_CONTROL
8    #include "CTRL_OPTIONS.h"
9    
10        subroutine optim_sub(        subroutine optim_sub(
11       I                 nn, ff       I                 nn, ff
# Line 56  c     == local variables == Line 58  c     == local variables ==
58        _RL   xx(nmax)        _RL   xx(nmax)
59        _RL   adxx(nmax)        _RL   adxx(nmax)
60  #endif  #endif
61          _RL  xxmean
62    
63  CML      logical coldStart  CML      logical coldStart
64  c     formal parameters of m1qn3  c     formal parameters of m1qn3
# Line 155  c Line 158  c
158        print *, ' OPTIM_SUB   xx(1) = ', xx(1)        print *, ' OPTIM_SUB   xx(1) = ', xx(1)
159        print *, ' OPTIM_SUB adxx(1) = ', adxx(1)        print *, ' OPTIM_SUB adxx(1) = ', adxx(1)
160                
 c     compute expected decrease of cost function from objf and fmin;  
 c     this value is only used for a cold start of m1qn3_offline, for a  
 c     warm start df1 is overwritten with data from a restart file  
       df1=objf-fmin  
       if ( df1 .le. 0. ) then  
        print *, ' OPTIM_SUB: df1 = objf-fmin = ', df1, ' should be > 0.'  
        stop 'ABNORMAL in S/R OPTIM_SUB'  
       endif  
   
 c     global variable coldStart is set in s/r optim_readparms  
 c     the default is false, always set it to true for the 0th cycle  
       if ( optimcycle .eq. 0 ) coldStart=.true.  
161        if ( coldStart ) then        if ( coldStart ) then
162  c--   cold start  c--   cold start
163         print *, ' OPTIM_SUB: cold start, optimcycle =', optimcycle         print *, ' OPTIM_SUB: cold start, optimcycle =', optimcycle
# Line 175  c     this variable is the only one of t Line 166  c     this variable is the only one of t
166  c     that needs to be initialized here to make sure that we have a  c     that needs to be initialized here to make sure that we have a
167  c     clean start  c     clean start
168         reentry  = 0         reentry  = 0
169    c     compute expected decrease of cost function from objf and fmin;
170    c     this value is only used for a cold start of m1qn3_offline, for a
171    c     warm start df1 is overwritten with data from a restart file
172           df1=objf-fmin
173           if ( df1 .le. 0. ) then
174            print *, ' OPTIM_SUB: df1 = objf-fmin = ', df1,
175         &       ' but should be > 0.'
176            stop 'ABNORMAL in S/R OPTIM_SUB'
177           endif
178    
179  c     open output file for m1qn3  c     open output file for m1qn3
180         open(io,file=fname_m1qn3,status='unknown')         open(io,file=fname_m1qn3,status='unknown')
181        else        else
# Line 195  c     simul_rc,euclid,ctonbe,ctcabe are Line 196  c     simul_rc,euclid,ctonbe,ctcabe are
196  c     are provided within m1qn3. euclid, ctonbe, ctcabe can be replaced  c     are provided within m1qn3. euclid, ctonbe, ctcabe can be replaced
197  c     by something more efficient, simul_rc is a dummy routine for  c     by something more efficient, simul_rc is a dummy routine for
198  c     the reverse communication mode and should not be changed.  c     the reverse communication mode and should not be changed.
199        print *, ' OPTIM_SUB: call m1qn3_offline'        print *, ' OPTIM_SUB: call m1qn3_offline ........'
200        call m1qn3_offline (simul_rc,euclid,ctonbe,ctcabe,        call m1qn3_offline (simul_rc,euclid,ctonbe,ctcabe,
201       &     nn,xx,objf,adxx,dxmin,df1,       &     nn,xx,objf,adxx,dxmin,df1,
202       &     epsg,normtype,impres,io,imode,omode,niter,nsim,       &     epsg,normtype,impres,io,imode,omode,niter,nsim,
203       &     iz,dz,ndz,reverse,indic,izs,rzs,dzs)       &     iz,dz,ndz,reverse,indic,izs,rzs,dzs)
204        close(io)        close(io)
205          print *, ' OPTIM_SUB: ...........................'
206        print *, ' OPTIM_SUB: returned from m1qn3_offline'        print *, ' OPTIM_SUB: returned from m1qn3_offline'
207          print *, ' OPTIM_SUB:      nn = ', nn
208          print *, ' OPTIM_SUB:   xx(1) = ', xx(1), xx(2)
209          print *, ' OPTIM_SUB: adxx(1) = ', adxx(1), adxx(2)
210          print *, ' OPTIM_SUB: omode   = ', omode
211          print *, ' OPTIM_SUB: niter   = ', niter
212          print *, ' OPTIM_SUB: nsim    = ', nsim
213          print *, ' OPTIM_SUB: reverse = ', reverse
214    
215    c     compute min/max/mean/std of output vector see if it is within
216    c     reasonable bounds (prior to scaling)
217          xxmean = sum(xx)/dble(nn)
218          print *
219          print *,' OPTIM_SUB: mean(xx) =', xxmean
220          print *,' OPTIM_SUB:  max(xx) =', maxval(xx)
221          print *,' OPTIM_SUB:  min(xx) =', minval(xx)
222          print *,' OPTIM_SUB:  std(xx) =',sum((xx-xxmean)**2)/dble(nn)
223          print *
224  c     write state of m1qn3 into pickup file for warm restart  c     write state of m1qn3 into pickup file for warm restart
225        call optim_store_m1qn3(ndz,iz,dz,niter,nsim,epsg,df1,        call optim_store_m1qn3(ndz,iz,dz,niter,nsim,epsg,df1,
226       I     optimcycle,       I     optimcycle,
227       I     .true.)       I     .true.)
228  c     write model control vector  c     write model control vector
229        print *,' OPTIMS_SUB: writing ', nn,' sized control to file ',        print *,' OPTIM_SUB: writing ', nn,' sized control to file ',
230       &     ctrlname       &     ctrlname
231  c     give the cost function a funny value to make sure that nobody  c     give the cost function a funny value to make sure that nobody
232  c     mistakes it for the real one  c     mistakes it for the real one
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