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heimbach |
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subroutine optim_sub( |
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I nn |
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& ) |
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c ================================================================== |
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c SUBROUTINE optim_sub |
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c ================================================================== |
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c |
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c o Initialization of optimization run. |
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c |
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c started: Christian Eckert eckert@mit.edu 15-Feb-2000 |
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c |
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c changed: Christian Eckert eckert@mit.edu 10-Mar-2000 |
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c |
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c - Added ECCO layout. |
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c |
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c changed: Patrick Heimbach heimbach@mit.edu 19-Jun-2000 |
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c - finished, revised and debugged |
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c |
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c ================================================================== |
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c SUBROUTINE optim_sub |
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c ================================================================== |
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implicit none |
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c == global variables == |
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#include "EEPARAMS.h" |
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#include "SIZE.h" |
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#include "ctrl.h" |
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#include "optim.h" |
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c == routine arguments == |
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integer nn |
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c == local variables == |
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_RL objf |
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#if defined (DYNAMIC) |
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_RL xx(nn) |
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_RL adxx(nn) |
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_RL dd(nn) |
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_RL gold(nn) |
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_RL xdiff(nn) |
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#elif defined (USE_POINTER) || (MAX_INDEPEND == 0) |
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_RL xx |
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_RL adxx |
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_RL dd(1) |
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_RL gold(1) |
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_RL xdiff(1) |
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pointer (pxx,xx(1)) |
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pointer (padxx,adxx(1)) |
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pointer (pdd,dd) |
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pointer (pgold,gold) |
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pointer (pxdiff,xdiff) |
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#else |
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integer nmax |
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parameter( nmax = MAX_INDEPEND ) |
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! _RL xx(nmax) |
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! _RL adxx(nmax) |
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! _RL dd(nmax) |
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! _RL gold(nmax) |
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! _RL xdiff(nmax) |
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_RL,allocatable:: xx(:) |
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_RL,allocatable:: adxx(:) |
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_RL,allocatable:: dd(:) |
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_RL,allocatable:: gold(:) |
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_RL,allocatable:: xdiff(:) |
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#endif |
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integer myid,nprocs |
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common /mpi_parm/ myid,nprocs,mystart,myend |
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integer mylen, mystart,myend |
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external distwork |
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c-- Allocate memory for the control variables and the gradient vector. |
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#if defined(DYNAMIC) |
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#elif defined(USE_POINTER) || (MAX_INDEPEND == 0) |
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call myalloc( pxx , nn*REAL_BYTE ) |
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call myalloc( padxx, nn*REAL_BYTE ) |
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call myalloc( pdd, nn*REAL_BYTE ) |
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call myalloc( pgold, nn*REAL_BYTE ) |
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call myalloc( pxdiff, nn*REAL_BYTE ) |
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#endif |
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integer ifail |
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integer itmax |
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logical loffline |
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c == external == |
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external simul |
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external lsline |
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c == end of interface == |
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c-- Initialisize the model and set a first guess of the control |
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c-- variables. |
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! call optim_initmod( nn, xx ) |
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call optim_initmod(nn) |
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#if defined (DYNAMIC) |
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#elif defined(USE_POINTER) || (MAX_INDEPEND == 0) |
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#else |
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if (nn .gt. nmax) then |
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print*,' OPTIMUM: Not enough space.' |
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print*,' nmax = ',nmax |
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print*,' nn = ',nn |
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print* |
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print*,' Set MAX_INDEPEND in Makefile .ge. ',nn |
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print* |
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stop ' ... stopped in OPTIMUM.' |
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endif |
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#endif |
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if (myid .eq. 0) then |
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print*, ' OPTIMUM: Calling lsopt for iteration: ',optimcycle |
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print*, ' OPTIMUM: with nn, REAL_BYTE = ', nn, REAL_BYTE |
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endif |
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loffline = .true. |
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itmax = numiter |
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call distwork(myid,nprocs,nn,mystart,myend,mylen) |
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! print '(a,i4,x,i10,x,i10,x,i10)','myid mystart myend mylen',myid,mystart,myend,mylen |
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allocate(xx(mylen)) |
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allocate(xdiff(mylen)) |
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allocate(dd(mylen)) |
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allocate(adxx(mylen)) |
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allocate(gold(mylen)) |
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c-- Large scale optimization --> Gilbert & Lemarechal. |
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call lsopt_top( mylen, xx, objf, adxx |
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& , simul, lsline |
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& , epsx, fmin, epsg |
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& , iprint |
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& , itmax, nfunc, nupdate |
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& , dd, gold, xdiff |
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& , loffline |
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& , ifail ) |
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deallocate(xx) |
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deallocate(xdiff) |
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deallocate(adxx) |
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deallocate(dd) |
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deallocate(gold) |
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return |
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end |
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