1 |
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C |
2 |
C $Header$ |
C $Header$ |
3 |
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C $Name$ |
4 |
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5 |
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#include "AD_CONFIG.h" |
6 |
#include "CPP_OPTIONS.h" |
#include "CPP_OPTIONS.h" |
7 |
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8 |
CBOI |
CBOI |
62 |
c - added centered difference vs. 1-sided difference option |
c - added centered difference vs. 1-sided difference option |
63 |
c - improved output format for readability |
c - improved output format for readability |
64 |
c - added control variable hFacC |
c - added control variable hFacC |
65 |
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c heimbach@mit.edu 24-Feb-2003 |
66 |
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c - added tangent linear gradient checks |
67 |
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c - fixes for multiproc. gradient checks |
68 |
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c - added more control variables |
69 |
c |
c |
70 |
c ================================================================== |
c ================================================================== |
71 |
c SUBROUTINE grdchk_main |
c SUBROUTINE grdchk_main |
81 |
#include "PARAMS.h" |
#include "PARAMS.h" |
82 |
#include "grdchk.h" |
#include "grdchk.h" |
83 |
#include "cost.h" |
#include "cost.h" |
84 |
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#ifdef ALLOW_TANGENTLINEAR_RUN |
85 |
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#include "g_cost.h" |
86 |
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#endif |
87 |
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88 |
C !INPUT/OUTPUT PARAMETERS: |
C !INPUT/OUTPUT PARAMETERS: |
89 |
c == routine arguments == |
c == routine arguments == |
90 |
integer mythid |
integer mythid |
91 |
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92 |
#ifdef ALLOW_GRADIENT_CHECK |
#ifdef ALLOW_GRDCHK |
93 |
C !LOCAL VARIABLES: |
C !LOCAL VARIABLES: |
94 |
c == local variables == |
c == local variables == |
95 |
integer myiter |
integer myiter |
100 |
integer j, jmin, jmax |
integer j, jmin, jmax |
101 |
integer k |
integer k |
102 |
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integer jprocs |
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integer proc_grdchk |
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103 |
integer icomp |
integer icomp |
104 |
integer ichknum |
integer ichknum |
105 |
integer icvrec |
integer icvrec |
106 |
integer jtile |
integer jtile |
107 |
integer itile |
integer itile |
108 |
integer layer |
integer layer |
109 |
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integer obcspos |
110 |
integer itilepos |
integer itilepos |
111 |
integer jtilepos |
integer jtilepos |
112 |
integer itest |
integer itest |
115 |
_RL gfd |
_RL gfd |
116 |
_RL fcref |
_RL fcref |
117 |
_RL fcpertplus, fcpertminus |
_RL fcpertplus, fcpertminus |
118 |
_RL ratio |
_RL ratio_ad |
119 |
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_RL ratio_ftl |
120 |
_RL xxmemo_ref |
_RL xxmemo_ref |
121 |
_RL xxmemo_pert |
_RL xxmemo_pert |
122 |
_RL adxxmemo |
_RL adxxmemo |
123 |
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_RL ftlxxmemo |
124 |
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_RL localEps |
125 |
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_RL grdchk_epsfac |
126 |
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cph( |
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127 |
_RL tmpplot1(1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
_RL tmpplot1(1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
128 |
_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 |
cph) |
_RL tmpplot3(1-olx:snx+olx,1-oly:sny+oly,nr,nsx,nsy) |
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Cml( |
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_RL grdchk_epsfac |
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Cml) |
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130 |
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131 |
c == end of interface == |
c == end of interface == |
132 |
CEOP |
CEOP |
150 |
cph and so has unperturbed cost function, |
cph and so has unperturbed cost function, |
151 |
cph assuming all xx_ fields are initialised to zero. |
cph assuming all xx_ fields are initialised to zero. |
152 |
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fcref = fc |
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153 |
ierr_grdchk = 0 |
ierr_grdchk = 0 |
154 |
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cphadmtlm( |
155 |
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fcref = fc |
156 |
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cphadmtlm fcref = objf_state_final(45,4,1,1) |
157 |
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cphadmtlm) |
158 |
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159 |
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print *, 'ph-check fcref = ', fcref |
160 |
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cph( |
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161 |
do bj = jtlo, jthi |
do bj = jtlo, jthi |
162 |
do bi = itlo, ithi |
do bi = itlo, ithi |
163 |
do k = 1, nr |
do k = 1, nr |
165 |
do i = imin, imax |
do i = imin, imax |
166 |
tmpplot1(i,j,k,bi,bj) = 0. _d 0 |
tmpplot1(i,j,k,bi,bj) = 0. _d 0 |
167 |
tmpplot2(i,j,k,bi,bj) = 0. _d 0 |
tmpplot2(i,j,k,bi,bj) = 0. _d 0 |
168 |
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tmpplot3(i,j,k,bi,bj) = 0. _d 0 |
169 |
end do |
end do |
170 |
end do |
end do |
171 |
end do |
end do |
172 |
end do |
end do |
173 |
end do |
end do |
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cph) |
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174 |
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175 |
if ( useCentralDiff ) then |
if ( useCentralDiff ) then |
176 |
grdchk_epsfac = 2. _d 0 |
grdchk_epsfac = 2. _d 0 |
178 |
grdchk_epsfac = 1. _d 0 |
grdchk_epsfac = 1. _d 0 |
179 |
end if |
end if |
180 |
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181 |
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print *, 'ph-grd 3 -------------------------------' |
182 |
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print ('(2a)'), |
183 |
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& ' ph-grd 3 proc # i j k fc ref', |
184 |
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& ' fc + eps fc - eps' |
185 |
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#ifdef ALLOW_TANGENTLINEAR_RUN |
186 |
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print ('(2a)'), |
187 |
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& ' ph-grd 3 proc # i j k tlm grad', |
188 |
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& ' fd grad 1 - fd/tlm' |
189 |
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#else |
190 |
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print ('(2a)'), |
191 |
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& ' ph-grd 3 proc # i j k adj grad', |
192 |
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& ' fd grad 1 - fd/adj' |
193 |
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#endif |
194 |
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195 |
c-- Compute the finite difference approximations. |
c-- Compute the finite difference approximations. |
196 |
c-- Cycle through all processes doing NINT(nend-nbeg+1)/nstep |
c-- Cycle through all processes doing NINT(nend-nbeg+1)/nstep |
197 |
c-- gradient checks. |
c-- gradient checks. |
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do jprocs = 1,numberOfProcs |
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proc_grdchk = jprocs - 1 |
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if ( myProcId .eq. proc_grdchk ) then |
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198 |
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199 |
do icomp = nbeg, nend, nstep |
do icomp = nbeg, nend, nstep |
200 |
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201 |
ichknum = (icomp - nbeg)/nstep + 1 |
ichknum = (icomp - nbeg)/nstep + 1 |
202 |
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203 |
if (ichknum .le. maxgrdchecks ) then |
if (ichknum .le. maxgrdchecks ) then |
204 |
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205 |
c-- Determine the location of icomp on the grid. |
c-- Determine the location of icomp on the grid. |
206 |
call grdchk_loc( icomp, ichknum, |
if ( myProcId .EQ. grdchkwhichproc ) then |
207 |
& icvrec, itile, jtile, layer, |
call grdchk_loc( icomp, ichknum, |
208 |
& itilepos, jtilepos, itest, ierr, |
& icvrec, itile, jtile, layer, obcspos, |
209 |
& mythid ) |
& itilepos, jtilepos, itest, ierr, |
210 |
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& mythid ) |
211 |
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endif |
212 |
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_BARRIER |
213 |
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214 |
if ( ierr .eq. 0 ) then |
c****************************************************** |
215 |
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c-- (A): get gradient component calculated via adjoint |
216 |
c-- positive perturbation |
c****************************************************** |
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grdchk_eps = abs(grdchk_eps) |
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217 |
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218 |
c-- get gradient component calculated via adjoint |
c-- get gradient component calculated via adjoint |
219 |
call grdchk_getadxx( icvrec, |
if ( myProcId .EQ. grdchkwhichproc .AND. |
220 |
& itile, jtile, layer, |
& ierr .EQ. 0 ) then |
221 |
& itilepos, jtilepos, |
call grdchk_getadxx( icvrec, |
222 |
& adxxmemo, mythid ) |
& itile, jtile, layer, |
223 |
_BARRIER |
& itilepos, jtilepos, |
224 |
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& adxxmemo, mythid ) |
225 |
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endif |
226 |
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_BARRIER |
227 |
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228 |
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#ifdef ALLOW_TANGENTLINEAR_RUN |
229 |
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c****************************************************** |
230 |
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c-- (B): Get gradient component g_fc from tangent linear run: |
231 |
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c****************************************************** |
232 |
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c-- |
233 |
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c-- 1. perturb control vector component: xx(i)=1. |
234 |
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235 |
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if ( myProcId .EQ. grdchkwhichproc .AND. |
236 |
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& ierr .EQ. 0 ) then |
237 |
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localEps = 1. _d 0 |
238 |
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call grdchk_getxx( icvrec, TANGENT_SIMULATION, |
239 |
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& itile, jtile, layer, |
240 |
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& itilepos, jtilepos, |
241 |
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& xxmemo_ref, xxmemo_pert, localEps, |
242 |
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& mythid ) |
243 |
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endif |
244 |
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_BARRIER |
245 |
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246 |
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c-- |
247 |
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c-- 2. perform tangent linear run |
248 |
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mytime = starttime |
249 |
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myiter = niter0 |
250 |
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cphadmtlm( |
251 |
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g_fc = 0. |
252 |
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cphadmtlm do j=1,sny |
253 |
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cphadmtlm do i=1,snx |
254 |
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cphadmtlm g_objf_state_final(i,j,1,1) = 0. |
255 |
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cphadmtlm enddo |
256 |
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cphadmtlm enddo |
257 |
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cphadmtlm) |
258 |
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call g_the_main_loop( mytime, myiter, mythid ) |
259 |
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cphadmtlm( |
260 |
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ftlxxmemo = g_fc |
261 |
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cphadmtlm ftlxxmemo = g_objf_state_final(45,4,1,1) |
262 |
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cphadmtlm) |
263 |
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_BARRIER |
264 |
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c-- |
265 |
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c-- 3. reset control vector |
266 |
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if ( myProcId .EQ. grdchkwhichproc .AND. |
267 |
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& ierr .EQ. 0 ) then |
268 |
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call grdchk_setxx( icvrec, TANGENT_SIMULATION, |
269 |
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& itile, jtile, layer, |
270 |
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& itilepos, jtilepos, |
271 |
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& xxmemo_ref, mythid ) |
272 |
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endif |
273 |
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_BARRIER |
274 |
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275 |
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#endif /* ALLOW_TANGENTLINEAR_RUN */ |
276 |
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277 |
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278 |
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c****************************************************** |
279 |
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c-- (C): Get gradient via finite difference perturbation |
280 |
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c****************************************************** |
281 |
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282 |
c-- get control vector component from file |
c-- get control vector component from file |
283 |
c-- perturb it and write back to file |
c-- perturb it and write back to file |
284 |
call grdchk_getxx( icvrec, |
c-- positive perturbation |
285 |
& itile, jtile, layer, |
localEps = abs(grdchk_eps) |
286 |
& itilepos, jtilepos, |
if ( myProcId .EQ. grdchkwhichproc .AND. |
287 |
& xxmemo_ref, xxmemo_pert, mythid ) |
& ierr .EQ. 0 ) then |
288 |
_BARRIER |
call grdchk_getxx( icvrec, FORWARD_SIMULATION, |
289 |
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& itile, jtile, layer, |
290 |
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& itilepos, jtilepos, |
291 |
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& xxmemo_ref, xxmemo_pert, localEps, |
292 |
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& mythid ) |
293 |
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endif |
294 |
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_BARRIER |
295 |
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296 |
c-- forward run with perturbed control vector |
c-- forward run with perturbed control vector |
297 |
mytime = starttime |
mytime = starttime |
298 |
myiter = niter0 |
myiter = niter0 |
299 |
call the_main_loop( mytime, myiter, mythid ) |
call the_main_loop( mytime, myiter, mythid ) |
300 |
fcpertplus = fc |
cphadmtlm( |
301 |
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fcpertplus = fc |
302 |
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cphadmtlm fcpertplus = objf_state_final(45,4,1,1) |
303 |
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cphadmtlm) |
304 |
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_BARRIER |
305 |
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306 |
c-- Reset control vector. |
c-- Reset control vector. |
307 |
call grdchk_setxx( icvrec, |
if ( myProcId .EQ. grdchkwhichproc .AND. |
308 |
& itile, jtile, layer, |
& ierr .EQ. 0 ) then |
309 |
& itilepos, jtilepos, |
call grdchk_setxx( icvrec, FORWARD_SIMULATION, |
310 |
& xxmemo_ref, mythid ) |
& itile, jtile, layer, |
311 |
_BARRIER |
& itilepos, jtilepos, |
312 |
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& xxmemo_ref, mythid ) |
313 |
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endif |
314 |
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_BARRIER |
315 |
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316 |
fcpertminus = fcref |
fcpertminus = fcref |
317 |
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318 |
if ( useCentralDiff ) then |
if ( useCentralDiff ) then |
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c-- repeat the proceedure for a negative perturbation |
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grdchk_eps = - abs(grdchk_eps) |
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319 |
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320 |
c-- get control vector component from file |
c-- get control vector component from file |
321 |
c-- perturb it and write back to file |
c-- perturb it and write back to file |
322 |
call grdchk_getxx( icvrec, |
c-- repeat the proceedure for a negative perturbation |
323 |
& itile, jtile, layer, |
if ( myProcId .EQ. grdchkwhichproc .AND. |
324 |
& itilepos, jtilepos, |
& ierr .EQ. 0 ) then |
325 |
& xxmemo_ref, xxmemo_pert, mythid ) |
localEps = - abs(grdchk_eps) |
326 |
_BARRIER |
call grdchk_getxx( icvrec, FORWARD_SIMULATION, |
327 |
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& itile, jtile, layer, |
328 |
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& itilepos, jtilepos, |
329 |
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& xxmemo_ref, xxmemo_pert, localEps, |
330 |
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& mythid ) |
331 |
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endif |
332 |
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_BARRIER |
333 |
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|
334 |
c-- forward run with perturbed control vector |
c-- forward run with perturbed control vector |
335 |
mytime = starttime |
mytime = starttime |
336 |
myiter = niter0 |
myiter = niter0 |
337 |
call the_main_loop( mytime, myiter, mythid ) |
call the_main_loop( mytime, myiter, mythid ) |
338 |
fcpertminus = fc |
_BARRIER |
339 |
|
fcpertminus = fc |
340 |
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|
341 |
c-- Reset control vector. |
c-- Reset control vector. |
342 |
call grdchk_setxx( icvrec, |
if ( myProcId .EQ. grdchkwhichproc .AND. |
343 |
& itile, jtile, layer, |
& ierr .EQ. 0 ) then |
344 |
& itilepos, jtilepos, |
call grdchk_setxx( icvrec, FORWARD_SIMULATION, |
345 |
& xxmemo_ref, mythid ) |
& itile, jtile, layer, |
346 |
_BARRIER |
& itilepos, jtilepos, |
347 |
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& xxmemo_ref, mythid ) |
348 |
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endif |
349 |
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_BARRIER |
350 |
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351 |
c reset grdchk_eps to a positive value |
c-- end of if useCentralDiff ... |
352 |
grdchk_eps = abs(grdchk_eps) |
end if |
353 |
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|
354 |
end if |
c****************************************************** |
355 |
c-- |
c-- (D): calculate relative differences between gradients |
356 |
if ( grdchk_eps .eq. 0. ) then |
c****************************************************** |
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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 = abs( adxxmemo - gfd ) |
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else |
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ratio = 1. - gfd/adxxmemo |
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endif |
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cph( |
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tmpplot1(itilepos,jtilepos,layer,itile,jtile) = |
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& gfd |
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tmpplot2(itilepos,jtilepos,layer,itile,jtile) = |
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& ratio |
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cph) |
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357 |
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358 |
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if ( myProcId .EQ. grdchkwhichproc .AND. |
359 |
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& ierr .EQ. 0 ) then |
360 |
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361 |
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if ( grdchk_eps .eq. 0. ) then |
362 |
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gfd = (fcpertplus-fcpertminus) |
363 |
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else |
364 |
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gfd = (fcpertplus-fcpertminus) |
365 |
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& /(grdchk_epsfac*grdchk_eps) |
366 |
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endif |
367 |
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|
368 |
fcrmem ( ichknum ) = fcref |
if ( adxxmemo .eq. 0. ) then |
369 |
fcppmem ( ichknum ) = fcpertplus |
ratio_ad = abs( adxxmemo - gfd ) |
|
fcpmmem ( ichknum ) = fcpertminus |
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xxmemref ( ichknum ) = xxmemo_ref |
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xxmempert ( ichknum ) = xxmemo_pert |
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gfdmem ( ichknum ) = gfd |
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adxxmem ( ichknum ) = adxxmemo |
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ratiomem ( ichknum ) = ratio |
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irecmem ( ichknum ) = icvrec |
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bimem ( ichknum ) = itile |
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bjmem ( ichknum ) = jtile |
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ilocmem ( ichknum ) = itilepos |
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jlocmem ( ichknum ) = jtilepos |
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klocmem ( ichknum ) = layer |
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icompmem ( ichknum ) = icomp |
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ichkmem ( ichknum ) = ichknum |
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itestmem ( ichknum ) = itest |
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ierrmem ( ichknum ) = ierr |
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cph( |
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print *, 'ph-grd 3 -------------------------------' |
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print '(a,4I5,3(1x,E15.9))', 'ph-grd 3 ', |
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& ichknum,itilepos,jtilepos,layer, |
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& fcref, fcpertplus, fcpertminus |
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print '(a,4I5,3(1x,E15.9))', 'ph-grd 3 ', |
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& ichknum,ichkmem(ichknum), |
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& icompmem(ichknum),itestmem(ichknum), |
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& adxxmemo, gfd, ratio |
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cph) |
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else |
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c |
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print *, 'ph-grd 3 -------------------------------' |
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print *, 'ph-grd 3 : ierr = ', ierr, |
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& ', icomp = ', icomp |
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endif |
|
370 |
else |
else |
371 |
ierr_grdchk = -1 |
ratio_ad = 1. - gfd/adxxmemo |
372 |
endif |
endif |
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enddo |
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endif |
|
373 |
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|
374 |
c-- Everyone has to wait for the component to be reset. |
if ( ftlxxmemo .eq. 0. ) then |
375 |
_BARRIER |
ratio_ftl = abs( ftlxxmemo - gfd ) |
376 |
|
else |
377 |
|
ratio_ftl = 1. - gfd/ftlxxmemo |
378 |
|
endif |
379 |
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|
380 |
|
tmpplot1(itilepos,jtilepos,layer,itile,jtile) |
381 |
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& = gfd |
382 |
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tmpplot2(itilepos,jtilepos,layer,itile,jtile) |
383 |
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& = ratio_ad |
384 |
|
tmpplot3(itilepos,jtilepos,layer,itile,jtile) |
385 |
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& = ratio_ftl |
386 |
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|
387 |
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fcrmem ( ichknum ) = fcref |
388 |
|
fcppmem ( ichknum ) = fcpertplus |
389 |
|
fcpmmem ( ichknum ) = fcpertminus |
390 |
|
xxmemref ( ichknum ) = xxmemo_ref |
391 |
|
xxmempert ( ichknum ) = xxmemo_pert |
392 |
|
gfdmem ( ichknum ) = gfd |
393 |
|
adxxmem ( ichknum ) = adxxmemo |
394 |
|
ftlxxmem ( ichknum ) = ftlxxmemo |
395 |
|
ratioadmem ( ichknum ) = ratio_ad |
396 |
|
ratioftlmem ( ichknum ) = ratio_ftl |
397 |
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|
398 |
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irecmem ( ichknum ) = icvrec |
399 |
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bimem ( ichknum ) = itile |
400 |
|
bjmem ( ichknum ) = jtile |
401 |
|
ilocmem ( ichknum ) = itilepos |
402 |
|
jlocmem ( ichknum ) = jtilepos |
403 |
|
klocmem ( ichknum ) = layer |
404 |
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iobcsmem ( ichknum ) = obcspos |
405 |
|
icompmem ( ichknum ) = icomp |
406 |
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ichkmem ( ichknum ) = ichknum |
407 |
|
itestmem ( ichknum ) = itest |
408 |
|
ierrmem ( ichknum ) = ierr |
409 |
|
|
410 |
|
print *, 'ph-grd 3 -------------------------------' |
411 |
|
print '(a,5I5,2x,3(1x,E15.9))', ' ph-grd 3 ', |
412 |
|
& myprocid,ichknum,itilepos,jtilepos,layer, |
413 |
|
& fcref, fcpertplus, fcpertminus |
414 |
|
#ifdef ALLOW_TANGENTLINEAR_RUN |
415 |
|
print '(a,5I5,2x,3(1x,E15.9))', ' ph-grd 3 ', |
416 |
|
& myprocid,ichknum,ichkmem(ichknum), |
417 |
|
& icompmem(ichknum),itestmem(ichknum), |
418 |
|
& ftlxxmemo, gfd, ratio_ftl |
419 |
|
#else |
420 |
|
print '(a,5I5,2x,3(1x,E15.9))', ' ph-grd 3 ', |
421 |
|
& myprocid,ichknum,ichkmem(ichknum), |
422 |
|
& icompmem(ichknum),itestmem(ichknum), |
423 |
|
& adxxmemo, gfd, ratio_ad |
424 |
|
#endif |
425 |
|
|
426 |
|
endif |
427 |
|
|
428 |
|
print *, 'ph-grd ierr ---------------------------' |
429 |
|
print *, 'ph-grd ierr = ', ierr, ', icomp = ', icomp, |
430 |
|
& ', ichknum = ', ichknum |
431 |
|
|
432 |
|
_BARRIER |
433 |
|
|
434 |
|
c-- else of if ( ichknum ... |
435 |
|
else |
436 |
|
ierr_grdchk = -1 |
437 |
|
|
438 |
|
c-- end of if ( ichknum ... |
439 |
|
endif |
440 |
|
|
441 |
|
c-- end of do icomp = ... |
442 |
enddo |
enddo |
443 |
|
|
444 |
cph( |
if ( myProcId .EQ. grdchkwhichproc ) then |
445 |
CALL WRITE_REC_XYZ_RL( 'grd_findiff' , tmpplot1, 1, 0, myThid) |
CALL WRITE_REC_XYZ_RL( |
446 |
CALL WRITE_REC_XYZ_RL( 'grd_ratio' , tmpplot2, 1, 0, myThid) |
& 'grd_findiff' , tmpplot1, 1, 0, myThid) |
447 |
cph) |
CALL WRITE_REC_XYZ_RL( |
448 |
|
& 'grd_ratio_ad' , tmpplot2, 1, 0, myThid) |
449 |
|
CALL WRITE_REC_XYZ_RL( |
450 |
|
& 'grd_ratio_ftl' , tmpplot3, 1, 0, myThid) |
451 |
|
endif |
452 |
|
|
453 |
|
c-- Everyone has to wait for the component to be reset. |
454 |
|
_BARRIER |
455 |
|
|
456 |
c-- Print the results of the gradient check. |
c-- Print the results of the gradient check. |
457 |
call grdchk_print( ichknum, ierr_grdchk, mythid ) |
call grdchk_print( ichknum, ierr_grdchk, mythid ) |
458 |
|
|
459 |
#endif /* ALLOW_GRADIENT_CHECK */ |
#endif /* ALLOW_GRDCHK */ |
460 |
|
|
461 |
end |
end |