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C $Header$ |
C $Header$ |
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C $Name$ |
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#include "CPP_OPTIONS.h" |
#include "GRDCHK_OPTIONS.h" |
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CBOI |
CBOI |
7 |
C |
C |
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c | |
c | |
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c |-- grdchk_getxx - get control vector component from file |
c |-- grdchk_getxx - get control vector component from file |
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c | perturb it and write back to file |
c | perturb it and write back to file |
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c |-- grdchk_getadxx - get gradient component calculated |
c |-- grdchk_getadxx - get gradient component calculated |
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c | via adjoint |
c | via adjoint |
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c |-- the_main_loop - forward run and cost evaluation |
c |-- the_main_loop - forward run and cost evaluation |
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c | with perturbed control vector element |
c | with perturbed control vector element |
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c - added tangent linear gradient checks |
c - added tangent linear gradient checks |
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c - fixes for multiproc. gradient checks |
c - fixes for multiproc. gradient checks |
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c - added more control variables |
c - added more control variables |
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c |
c |
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c ================================================================== |
c ================================================================== |
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c SUBROUTINE grdchk_main |
c SUBROUTINE grdchk_main |
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c ================================================================== |
c ================================================================== |
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#include "PARAMS.h" |
#include "PARAMS.h" |
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#include "grdchk.h" |
#include "grdchk.h" |
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#include "cost.h" |
#include "cost.h" |
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#include "ctrl.h" |
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#ifdef ALLOW_TANGENTLINEAR_RUN |
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#include "g_cost.h" |
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#endif |
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C !INPUT/OUTPUT PARAMETERS: |
C !INPUT/OUTPUT PARAMETERS: |
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c == routine arguments == |
c == routine arguments == |
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integer mythid |
integer mythid |
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|
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#ifdef ALLOW_GRADIENT_CHECK |
#ifdef ALLOW_GRDCHK |
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C !LOCAL VARIABLES: |
C !LOCAL VARIABLES: |
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c == local variables == |
c == local variables == |
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integer myiter |
integer myiter |
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_RL mytime |
_RL mytime |
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integer bi, itlo, ithi |
integer bi, itlo, ithi |
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integer bj, jtlo, jthi |
integer bj, jtlo, jthi |
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integer i, imin, imax |
integer i, imin, imax |
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integer jtile |
integer jtile |
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integer itile |
integer itile |
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integer layer |
integer layer |
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integer obcspos |
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integer itilepos |
integer itilepos |
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integer jtilepos |
integer jtilepos |
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integer icglo |
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integer itest |
integer itest |
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integer ierr |
integer ierr |
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integer ierr_grdchk |
integer ierr_grdchk |
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_RL tmpplot2(1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
_RL tmpplot2(1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
129 |
_RL tmpplot3(1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
_RL tmpplot3(1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
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#ifdef ALLOW_TANGENTLINEAR_RUN |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
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_RL g_fc |
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common /g_cost_r/ g_fc |
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#endif |
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c == end of interface == |
c == end of interface == |
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CEOP |
CEOP |
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imin = 1 |
imin = 1 |
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imax = snx |
imax = snx |
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print *, 'ph-check entering grdchk_main ' |
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c-- initialise variables |
c-- initialise variables |
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call grdchk_init( mythid ) |
call grdchk_init( mythid ) |
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c-- Compute the adjoint models' gradients. |
c-- Compute the adjoint model gradients. |
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c-- Compute the unperturbed cost function. |
c-- Compute the unperturbed cost function. |
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cph Gradient via adjoint has already been computed, |
cph Gradient via adjoint has already been computed, |
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cph and so has unperturbed cost function, |
cph and so has unperturbed cost function, |
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cph assuming all xx_ fields are initialised to zero. |
cph assuming all xx_ fields are initialised to zero. |
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fcref = fc |
ierr = 0 |
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ierr_grdchk = 0 |
ierr_grdchk = 0 |
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adxxmemo = 0. |
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ftlxxmemo = 0. |
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#ifdef ALLOW_ADMTLM |
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fcref = objf_state_final(idep,jdep,1,1,1) |
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#else |
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fcref = fc |
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#endif |
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print *, 'ph-check fcref = ', fcref |
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do bj = jtlo, jthi |
do bj = jtlo, jthi |
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do bi = itlo, ithi |
do bi = itlo, ithi |
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grdchk_epsfac = 1. _d 0 |
grdchk_epsfac = 1. _d 0 |
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end if |
end if |
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print *, 'ph-grd 3 -------------------------------' |
WRITE(standardmessageunit,'(A)') |
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print ('(2a)'), |
& 'grad-res -------------------------------' |
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& ' ph-grd 3 proc # i j k fc ref', |
WRITE(standardmessageunit,'(2a)') |
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& ' fc + eps fc - eps' |
& ' grad-res proc # i j k bi bj iobc', |
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& ' fc ref fc + eps fc - eps' |
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#ifdef ALLOW_TANGENTLINEAR_RUN |
#ifdef ALLOW_TANGENTLINEAR_RUN |
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print ('(2a)'), |
WRITE(standardmessageunit,'(2a)') |
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& ' ph-grd 3 proc # i j k tlm grad', |
& ' grad-res proc # i j k bi bj iobc', |
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& ' fd grad 1 - fd/tlm' |
& ' tlm grad fd grad 1 - fd/tlm' |
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#else |
#else |
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print ('(2a)'), |
WRITE(standardmessageunit,'(2a)') |
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& ' ph-grd 3 proc # i j k adj grad', |
& ' grad-res proc # i j k bi bj iobc', |
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& ' fd grad 1 - fd/adj' |
& ' adj grad fd grad 1 - fd/adj' |
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#endif |
#endif |
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c-- Compute the finite difference approximations. |
c-- Compute the finite difference approximations. |
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c-- Cycle through all processes doing NINT(nend-nbeg+1)/nstep |
c-- Cycle through all processes doing NINT(nend-nbeg+1)/nstep |
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c-- gradient checks. |
c-- gradient checks. |
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if ( nbeg .EQ. 0 ) |
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& call grdchk_get_position( mythid ) |
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do icomp = nbeg, nend, nstep |
do icomp = nbeg, nend, nstep |
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ichknum = (icomp - nbeg)/nstep + 1 |
ichknum = (icomp - nbeg)/nstep + 1 |
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adxxmemo = 0. |
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cph( |
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cph-print print *, 'ph-grd _main: nbeg, icomp, ichknum ', |
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cph-print & nbeg, icomp, ichknum |
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cph) |
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if (ichknum .le. maxgrdchecks ) then |
if (ichknum .le. maxgrdchecks ) then |
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c-- Determine the location of icomp on the grid. |
c-- Determine the location of icomp on the grid. |
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if ( myProcId .EQ. grdchkwhichproc ) then |
if ( myProcId .EQ. grdchkwhichproc ) then |
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call grdchk_loc( icomp, ichknum, |
call grdchk_loc( icomp, ichknum, |
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& icvrec, itile, jtile, layer, |
& icvrec, itile, jtile, layer, obcspos, |
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& itilepos, jtilepos, itest, ierr, |
& itilepos, jtilepos, icglo, itest, ierr, |
227 |
& mythid ) |
& mythid ) |
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cph( |
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cph-print print *, 'ph-grd ----- back from loc -----', |
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cph-print & icvrec, itilepos, jtilepos, layer, obcspos |
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cph) |
232 |
endif |
endif |
233 |
_BARRIER |
_BARRIER |
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c****************************************************** |
c****************************************************** |
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c-- (A): get gradient component calculated via adjoint |
c-- (A): get gradient component calculated via adjoint |
237 |
c****************************************************** |
c****************************************************** |
244 |
& itilepos, jtilepos, |
& itilepos, jtilepos, |
245 |
& adxxmemo, mythid ) |
& adxxmemo, mythid ) |
246 |
endif |
endif |
247 |
_BARRIER |
C-- Add a global-sum call so that all proc will get the adjoint gradient |
248 |
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_GLOBAL_SUM_RL( adxxmemo, myThid ) |
249 |
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c _BARRIER |
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251 |
#ifdef ALLOW_TANGENTLINEAR_RUN |
#ifdef ALLOW_TANGENTLINEAR_RUN |
252 |
c****************************************************** |
c****************************************************** |
270 |
c-- 2. perform tangent linear run |
c-- 2. perform tangent linear run |
271 |
mytime = starttime |
mytime = starttime |
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myiter = niter0 |
myiter = niter0 |
273 |
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#ifdef ALLOW_ADMTLM |
274 |
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do k=1,4*Nr+1 |
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do j=1,sny |
276 |
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do i=1,snx |
277 |
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g_objf_state_final(i,j,1,1,k) = 0. |
278 |
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enddo |
279 |
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enddo |
280 |
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enddo |
281 |
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#else |
282 |
g_fc = 0. |
g_fc = 0. |
283 |
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#endif |
284 |
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285 |
call g_the_main_loop( mytime, myiter, mythid ) |
call g_the_main_loop( mytime, myiter, mythid ) |
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ftlxxmemo = g_fc |
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286 |
_BARRIER |
_BARRIER |
287 |
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#ifdef ALLOW_ADMTLM |
288 |
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ftlxxmemo = g_objf_state_final(idep,jdep,1,1,1) |
289 |
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#else |
290 |
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ftlxxmemo = g_fc |
291 |
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#endif |
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293 |
c-- |
c-- |
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c-- 3. reset control vector |
c-- 3. reset control vector |
295 |
if ( myProcId .EQ. grdchkwhichproc .AND. |
if ( myProcId .EQ. grdchkwhichproc .AND. |
321 |
& mythid ) |
& mythid ) |
322 |
endif |
endif |
323 |
_BARRIER |
_BARRIER |
324 |
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|
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c-- forward run with perturbed control vector |
c-- forward run with perturbed control vector |
326 |
mytime = starttime |
mytime = starttime |
327 |
myiter = niter0 |
myiter = niter0 |
328 |
call the_main_loop( mytime, myiter, mythid ) |
call the_main_loop( mytime, myiter, mythid ) |
329 |
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#ifdef ALLOW_ADMTLM |
330 |
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fcpertplus = objf_state_final(idep,jdep,1,1,1) |
331 |
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#else |
332 |
fcpertplus = fc |
fcpertplus = fc |
333 |
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#endif |
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print *, 'ph-check fcpertplus = ', fcpertplus |
335 |
_BARRIER |
_BARRIER |
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c-- Reset control vector. |
c-- Reset control vector. |
338 |
if ( myProcId .EQ. grdchkwhichproc .AND. |
if ( myProcId .EQ. grdchkwhichproc .AND. |
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& ierr .EQ. 0 ) then |
& ierr .EQ. 0 ) then |
345 |
_BARRIER |
_BARRIER |
346 |
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347 |
fcpertminus = fcref |
fcpertminus = fcref |
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print *, 'ph-check fcpertminus = ', fcpertminus |
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if ( useCentralDiff ) then |
if ( useCentralDiff ) then |
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362 |
& mythid ) |
& mythid ) |
363 |
endif |
endif |
364 |
_BARRIER |
_BARRIER |
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366 |
c-- forward run with perturbed control vector |
c-- forward run with perturbed control vector |
367 |
mytime = starttime |
mytime = starttime |
368 |
myiter = niter0 |
myiter = niter0 |
369 |
call the_main_loop( mytime, myiter, mythid ) |
call the_main_loop( mytime, myiter, mythid ) |
370 |
_BARRIER |
_BARRIER |
371 |
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#ifdef ALLOW_ADMTLM |
372 |
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fcpertminus = objf_state_final(idep,jdep,1,1,1) |
373 |
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#else |
374 |
fcpertminus = fc |
fcpertminus = fc |
375 |
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#endif |
376 |
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377 |
c-- Reset control vector. |
c-- Reset control vector. |
378 |
if ( myProcId .EQ. grdchkwhichproc .AND. |
if ( myProcId .EQ. grdchkwhichproc .AND. |
379 |
& ierr .EQ. 0 ) then |
& ierr .EQ. 0 ) then |
391 |
c-- (D): calculate relative differences between gradients |
c-- (D): calculate relative differences between gradients |
392 |
c****************************************************** |
c****************************************************** |
393 |
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394 |
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if ( grdchk_eps .eq. 0. ) then |
395 |
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gfd = (fcpertplus-fcpertminus) |
396 |
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else |
397 |
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gfd = (fcpertplus-fcpertminus) |
398 |
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& /(grdchk_epsfac*grdchk_eps) |
399 |
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endif |
400 |
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401 |
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if ( adxxmemo .eq. 0. ) then |
402 |
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ratio_ad = abs( adxxmemo - gfd ) |
403 |
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else |
404 |
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ratio_ad = 1. - gfd/adxxmemo |
405 |
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endif |
406 |
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407 |
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if ( ftlxxmemo .eq. 0. ) then |
408 |
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ratio_ftl = abs( ftlxxmemo - gfd ) |
409 |
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else |
410 |
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ratio_ftl = 1. - gfd/ftlxxmemo |
411 |
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endif |
412 |
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413 |
if ( myProcId .EQ. grdchkwhichproc .AND. |
if ( myProcId .EQ. grdchkwhichproc .AND. |
414 |
& ierr .EQ. 0 ) then |
& ierr .EQ. 0 ) then |
415 |
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if ( grdchk_eps .eq. 0. ) then |
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gfd = (fcpertplus-fcpertminus) |
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else |
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gfd = (fcpertplus-fcpertminus) |
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& /(grdchk_epsfac*grdchk_eps) |
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endif |
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if ( adxxmemo .eq. 0. ) then |
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ratio_ad = abs( adxxmemo - gfd ) |
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else |
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ratio_ad = 1. - gfd/adxxmemo |
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endif |
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if ( ftlxxmemo .eq. 0. ) then |
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ratio_ftl = abs( ftlxxmemo - gfd ) |
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else |
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ratio_ftl = 1. - gfd/ftlxxmemo |
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endif |
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416 |
tmpplot1(itilepos,jtilepos,layer,itile,jtile) |
tmpplot1(itilepos,jtilepos,layer,itile,jtile) |
417 |
& = gfd |
& = gfd |
418 |
tmpplot2(itilepos,jtilepos,layer,itile,jtile) |
tmpplot2(itilepos,jtilepos,layer,itile,jtile) |
437 |
ilocmem ( ichknum ) = itilepos |
ilocmem ( ichknum ) = itilepos |
438 |
jlocmem ( ichknum ) = jtilepos |
jlocmem ( ichknum ) = jtilepos |
439 |
klocmem ( ichknum ) = layer |
klocmem ( ichknum ) = layer |
440 |
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iobcsmem ( ichknum ) = obcspos |
441 |
icompmem ( ichknum ) = icomp |
icompmem ( ichknum ) = icomp |
442 |
ichkmem ( ichknum ) = ichknum |
ichkmem ( ichknum ) = ichknum |
443 |
itestmem ( ichknum ) = itest |
itestmem ( ichknum ) = itest |
444 |
ierrmem ( ichknum ) = ierr |
ierrmem ( ichknum ) = ierr |
445 |
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icglomem ( ichknum ) = icglo |
446 |
print *, 'ph-grd 3 -------------------------------' |
|
447 |
print '(a,5I5,2x,3(1x,E15.9))', ' ph-grd 3 ', |
WRITE(standardmessageunit,'(A)') |
448 |
& myprocid,ichknum,itilepos,jtilepos,layer, |
& 'grad-res -------------------------------' |
449 |
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WRITE(standardmessageunit,'(A,8I5,1x,1P3E19.11)') |
450 |
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& ' grad-res ',myprocid,ichknum,itilepos,jtilepos, |
451 |
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& layer,itile,jtile,obcspos, |
452 |
& fcref, fcpertplus, fcpertminus |
& fcref, fcpertplus, fcpertminus |
453 |
#ifdef ALLOW_TANGENTLINEAR_RUN |
#ifdef ALLOW_TANGENTLINEAR_RUN |
454 |
print '(a,5I5,2x,3(1x,E15.9))', ' ph-grd 3 ', |
WRITE(standardmessageunit,'(A,8I5,1x,1P3E19.11)') |
455 |
& myprocid,ichknum,ichkmem(ichknum), |
& ' grad-res ',myprocid,ichknum,ichkmem(ichknum), |
456 |
& icompmem(ichknum),itestmem(ichknum), |
& icompmem(ichknum),itestmem(ichknum), |
457 |
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& bimem(ichknum),bjmem(ichknum),iobcsmem(ichknum), |
458 |
& ftlxxmemo, gfd, ratio_ftl |
& ftlxxmemo, gfd, ratio_ftl |
459 |
#else |
#else |
460 |
print '(a,5I5,2x,3(1x,E15.9))', ' ph-grd 3 ', |
WRITE(standardmessageunit,'(A,8I5,1x,1P3E19.11)') |
461 |
& myprocid,ichknum,ichkmem(ichknum), |
& ' grad-res ',myprocid,ichknum,ichkmem(ichknum), |
462 |
& icompmem(ichknum),itestmem(ichknum), |
& icompmem(ichknum),itestmem(ichknum), |
463 |
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& bimem(ichknum),bjmem(ichknum),obcspos, |
464 |
& adxxmemo, gfd, ratio_ad |
& adxxmemo, gfd, ratio_ad |
465 |
#endif |
#endif |
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|
466 |
endif |
endif |
467 |
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#ifdef ALLOW_TANGENTLINEAR_RUN |
468 |
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WRITE(msgBuf,'(A34,1PE24.14)') |
469 |
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& ' TLM precision_derivative_cost =', fcref |
470 |
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CALL PRINT_MESSAGE |
471 |
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& (msgBuf,standardMessageUnit,SQUEEZE_RIGHT,myThid) |
472 |
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WRITE(msgBuf,'(A34,1PE24.14)') |
473 |
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& ' TLM precision_derivative_grad =', ftlxxmemo |
474 |
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CALL PRINT_MESSAGE |
475 |
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& (msgBuf,standardMessageUnit,SQUEEZE_RIGHT,myThid) |
476 |
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#else |
477 |
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WRITE(msgBuf,'(A30,1PE22.14)') |
478 |
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& ' ADM ref_cost_function =', fcref |
479 |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
480 |
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& SQUEEZE_RIGHT, myThid ) |
481 |
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WRITE(msgBuf,'(A30,1PE22.14)') |
482 |
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& ' ADM adjoint_gradient =', adxxmemo |
483 |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
484 |
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& SQUEEZE_RIGHT, myThid ) |
485 |
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WRITE(msgBuf,'(A30,1PE22.14)') |
486 |
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& ' ADM finite-diff_grad =', gfd |
487 |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
488 |
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& SQUEEZE_RIGHT, myThid ) |
489 |
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#endif |
490 |
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|
491 |
print *, 'ph-grd ierr ---------------------------' |
print *, 'ph-grd ierr ---------------------------' |
492 |
print *, 'ph-grd ierr = ', ierr, ', icomp = ', icomp, |
print *, 'ph-grd ierr = ', ierr, ', icomp = ', icomp, |
498 |
else |
else |
499 |
ierr_grdchk = -1 |
ierr_grdchk = -1 |
500 |
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|
501 |
c-- end of if ( ichknum ... |
c-- end of if ( ichknum ... |
502 |
endif |
endif |
503 |
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|
504 |
c-- end of do icomp = ... |
c-- end of do icomp = ... |
505 |
enddo |
enddo |
506 |
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|
507 |
if ( myProcId .EQ. grdchkwhichproc ) then |
if ( myProcId .EQ. grdchkwhichproc ) then |
508 |
CALL WRITE_REC_XYZ_RL( |
CALL WRITE_REC_XYZ_RL( |
509 |
& 'grd_findiff' , tmpplot1, 1, 0, myThid) |
& 'grd_findiff' , tmpplot1, 1, 0, myThid) |
510 |
CALL WRITE_REC_XYZ_RL( |
CALL WRITE_REC_XYZ_RL( |
511 |
& 'grd_ratio_ad' , tmpplot2, 1, 0, myThid) |
& 'grd_ratio_ad' , tmpplot2, 1, 0, myThid) |
512 |
CALL WRITE_REC_XYZ_RL( |
CALL WRITE_REC_XYZ_RL( |
513 |
& 'grd_ratio_ftl' , tmpplot3, 1, 0, myThid) |
& 'grd_ratio_ftl' , tmpplot3, 1, 0, myThid) |
514 |
endif |
endif |
515 |
|
|
519 |
c-- Print the results of the gradient check. |
c-- Print the results of the gradient check. |
520 |
call grdchk_print( ichknum, ierr_grdchk, mythid ) |
call grdchk_print( ichknum, ierr_grdchk, mythid ) |
521 |
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|
522 |
#endif /* ALLOW_GRADIENT_CHECK */ |
#endif /* ALLOW_GRDCHK */ |
523 |
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|
524 |
|
return |
525 |
end |
end |