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Revision 1.7 - (hide annotations) (download)
Wed Aug 31 19:42:39 2005 UTC (19 years, 1 month ago) by dimitri
Branch: MAIN
Changes since 1.6: +31 -31 lines
updating verification/natl_box_adjoint

1 heimbach 1.2 # Example: Subtropical North Atlantic and Labrador Sea Areas
2     # ==========================================================
3     # - forward/adjoint run
4     # - optimization cost function
5     # - The input data is real*8
6 dimitri 1.7 # - The tests below assume that a "taf" executable is available
7     # (http://www.fastopt.de/)
8 heimbach 1.2
9     >>>>>>>>>>>>>>>>>>>> DO THESE THINGS FIRST <<<<<<<<<<<<<<<<<<<<
10 heimbach 1.5 cd verification/natl_box_adjoint
11     gunzip results*/output*.gz
12     mkdir exe
13 dimitri 1.7 cd input
14     wget -nd -r -A"PH*" http://channel.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input
15     cd ../input_seaice
16     wget -nd -r -A"*labsea*" http://channel.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input_seaice
17     wget -nd -r -A"pickup*" http://channel.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input_seaice
18 heimbach 1.2 >>>>>>>>>>>>>>>>>>>> DO THESE THINGS FIRST <<<<<<<<<<<<<<<<<<<<
19    
20     ####################
21     # Experiment no. 1 #
22     ####################
23     # Use air-sea fluxes as controls (standard case):
24     # perform gradient checks for first four elements of the
25     # heat flux part of the control vector (grdchkvarindex = 3).
26     # - with GMREDI, KPP, and shortwave heating
27     # - 4 timesteps
28    
29     # Compile code in build/:
30     cd ../build
31 heimbach 1.4 ../../../tools/genmake2 -ieee -mods=../code
32 heimbach 1.2 make depend
33     make adall
34    
35     # To run:
36     cd ../exe
37     cp ../input/* .
38 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
39 heimbach 1.2 # To verify the results of the gradient check, type:
40     grep grad-res output.txt
41     # A reference output is in:
42     grep grad-res ../results/output.txt_adm
43    
44    
45     ####################
46     # Experiment no. 2 #
47     ####################
48     # Use bulk formulae and atmospheric state controls
49     # (only differences to experiment 1 are in
50     # ECCO_CPPOPTIONS.h and in data.grdchk):
51     # perform gradient checks for first four elements of the
52     # air temperture part of the control vector (grdchkvarindex = 7).
53    
54     # Compile code in build/:
55     cd ../build
56     rm -f *.o *.f *.p rii_files *.flow
57     rm -f *.F *.h *.c Makefile* *.template genmake_*
58 heimbach 1.4 ../../../tools/genmake2 -ieee -mods=../code_bulk
59 heimbach 1.2 make depend
60     make adall
61    
62     # To run:
63     cd ../exe
64     cp ../input_bulk/* .
65 heimbach 1.6 cp ../input_bulk/data.grdchk_precip data.grdchk
66 heimbach 1.2 cp ../input/PH_*.data .
67 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
68 heimbach 1.2 # To verify the results of the gradient check, type:
69     grep grad-res output.txt
70     # A reference output is in:
71     grep grad-res ../results_bulk/output.txt_adm
72    
73    
74     ####################
75     # Experiment no. 4 #
76     ####################
77     # Same as exp. 2, but with ALLOW_SEAICE defined and useseaice = .true.
78    
79     # Compile code in build/:
80     cd ../build
81     rm -f *.o *.f *.p rii_files *.flow
82     rm -f *.F *.h *.c Makefile* *.template genmake_*
83 heimbach 1.4 ../../../tools/genmake2 -ieee -mods=../code_seaice
84 heimbach 1.2 cp ../code_seaice/SEAICE_OPTIONS.h.FLUXES SEAICE_OPTIONS.h
85     make depend
86     make adall
87    
88     # To run:
89     cd ../exe
90     cp ../input_bulk/* .
91 heimbach 1.6 cp ../input_bulk/data.grdchk_precip data.grdchk
92 heimbach 1.2 cp ../input_seaice/data.seaice.cgrid data.seaice
93     cp ../input_seaice/data.pkg .
94     cp ../input/PH_*.data .
95 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
96 heimbach 1.2 # To verify the results of the gradient check, type:
97     grep grad-res output.txt
98     # A reference output is in:
99 heimbach 1.4 grep grad-res ../results_seaice/output_exp4.txt_adm
100 heimbach 1.2
101    
102     ####################
103     # Experiment no. 5 #
104     ####################
105     # Same as exp. 4, but using sea-ice bulk formulae.
106     # This experiment tests pkg/seaice bulk formulae over open water.
107     # No sea-ice is formed anywhere in the domain.
108    
109     # Compile code in build/:
110     cd ../build
111     rm -f *.o *.f *.p rii_files *.flow
112     rm -f *.F *.h *.c Makefile* *.template genmake_*
113 heimbach 1.4 ../../../tools/genmake2 -ieee -mods=../code_seaice
114 heimbach 1.2 make depend
115     make adall
116    
117     # To run:
118     cd ../exe
119     cp ../input_bulk/* .
120 heimbach 1.6 cp ../input_bulk/data.grdchk_precip data.grdchk
121 heimbach 1.2 cp ../input_seaice/data.seaice.cgrid data.seaice
122     cp ../input_seaice/data.pkg .
123     cp ../input/PH_*.data .
124 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
125 heimbach 1.2 # To verify the results of the gradient check, type:
126     grep grad-res output.txt
127     # A reference output is in:
128     grep grad-res ../results_seaice/output_exp5.txt_adm
129    
130    
131     ####################
132     # Experiment no. 6 #
133     ####################
134     # Same as experiment 5, but in the Labrador Sea rather than in
135     # the North Atlantic subduction region. The cost function is
136     # total ice volume over the 4-hour test period.
137     #
138     # The cost function data files are not used. They contain:
139     # labsea_TP_fields : filled with -9999
140     # labsea_TP_mean : hour 100 ssh (cm) of lab_sea experiment
141     # labsea_ERS_fields : filled with -9999
142     # labsea_SST_fields : 14 * Levitus annual mean SST
143     # labsea_Lev.ptmp : 14 * Levitus annual mean temperature
144     # labsea_Lev.salt : 14 * Levitus annual mean salinity
145     # labsea_ssh.err : filled with -9999
146     # labsea_geoid.err : constant 0.2 with -9999 landmask
147     # labsea_totflux.err : 100 with -9999 landmask
148     # labsea_pme.err : 4e-8 with -9999 landmask
149     # labsea_ustress.err : 3 with -9999 landmask
150     # labsea_vstress.err : 3 with -9999 landmask
151    
152     # To run:
153     cd ../exe
154     cp ../input_seaice/* .
155     cp ../input_bulk/data.grdchk .
156 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
157 heimbach 1.2 # To verify the results of the gradient check, type:
158     grep grad-res output.txt
159     # A reference output is in:
160     grep grad-res ../results_seaice/output_exp6.txt_adm
161    
162    
163     ####################
164     # Experiment no. 7 #
165     ####################
166     # Same as experiment 6, but finite difference gradient check for
167     # air temperature is computed and compared for the complete domain.
168     #
169     # Notes:
170     # variables xx_* contain control vector perturbation
171     # variables adxx_* contain cost function gradient relative to control
172    
173     # To run:
174     cd ../exe
175     cp ../input_seaice/* .
176 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
177 heimbach 1.2 # To verify the results of the gradient check, type:
178     grep grad-res output.txt > grad-res.txt
179 dimitri 1.7 cd ../results_seaice
180 heimbach 1.2 # plot with matlab:
181     matlab
182     lookat_exp8
183    
184    
185     ####################
186     # Experiment no. 8 #
187     ####################
188     # Same as experiment 7, but starting from a checkpoint file.
189    
190     # To run:
191 dimitri 1.7 cd ../exe
192     cp ../input_seaice/* .
193 heimbach 1.2 cp data.001 data
194 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
195 heimbach 1.2 # To verify the results of the gradient check, type:
196 dimitri 1.7 grep grad-res output.txt > grad-res.txt
197     cd ../results_seaice
198 heimbach 1.2 matlab
199     lookat_exp8
200    
201    
202     ####################
203     # Experiment no. 9 #
204     ####################
205     # Same as experiment 8, but starting from time step 180.
206     # This includes a location (12,8) which experiences a phase
207     # transition from no-ice to sea-ice, and which therefore has
208     # a very large and inaccurate gradient.
209    
210     # To run:
211 dimitri 1.7 cd ../exe
212     cp ../input_seaice/* .
213 heimbach 1.2 cp data.180 data
214 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
215 heimbach 1.2 # To verify the results of the gradient check, type:
216 dimitri 1.7 grep grad-res output.txt > grad-res.txt
217     cd ../results_seaice
218 heimbach 1.2 matlab
219     lookat_exp8
220    
221    
222     #####################
223     # Experiment no. 10 #
224     #####################
225     # Set up a 100-day sensitivity experiment.
226     # Things start falling apart, see below.
227     # Longer integrations periods cause NANs in adjoint gradient.
228     # Note: cost_ssh is hardwired for 1-day ssh records
229     # "topexperiod" in data.cost is never used.
230    
231     # Compile code in build/:
232     cd ../build
233     rm -f *.o *.f *.p rii_files *.flow
234     rm -f *.F *.h *.c Makefile* *.template genmake_*
235 heimbach 1.4 ../../../tools/genmake2 -ieee -mods=../code_seaice
236 heimbach 1.2 make depend
237     make adall
238     make ftlall
239    
240     # To run:
241     # PH: I modified data to run 24 timesteps only
242     cd ../exe
243     cp ../input_seaice/* .
244     cp data.24 data
245     cp ../input_bulk/data.grdchk .
246     # run the ADM
247 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt_adm
248 heimbach 1.2 # run the TLM
249 dimitri 1.7 ../build/mitgcmuv_ftl >&! output.txt_tlm
250 heimbach 1.2
251     # For 100 days, adjoint gradient is NAN
252    
253     # Following table compares finite difference gradient for various choices
254     # of grdchk_eps.
255     1.d-12 -.177327175E+20 0.140230277E+20 -.254542273E+20 0.138603531E+19
256     1.d-8 0.174714613E+16 -.527867903E+15 0.403581037E+15 0.377322748E+12
257     1.d-4 0.999954825E+11 0.156018218E+12 -.474931072E+11 -.357260091E+11
258     1.d-2 0.634576350E+09 -.185440863E+10 -.599212833E+09 -.334417056E+10
259    
260     # Following table compares adjoint and finite difference gradient for
261     # various choices of nTimeSteps
262     # with nTimeSteps=4
263     adj grad 0.103151639E+00 0.308058453E+00 -.732758366E+04 -.161844794E+06
264     1.d-4 0.305175781E+00 0.305175781E+00 -.732757568E+04 -.161844788E+06
265     # with nTimeSteps=24
266     adj grad 0.137444822E+04 0.365984818E+04 0.256198267E+05 -.204077640E+06
267     1.d-4 0.137313843E+04 0.365982056E+04 0.256221008E+05 -.204077454E+06
268     # with nTimeSteps=240
269     adj grad 0.443328852E+39 -.133652133E+38 -.905448973E+38 -.598093614E+40
270     1.d-4 -.209616183E+10 0.257127391E+10 -.917457365E+10 0.104622205E+10
271     # with nTimeSteps=480
272     adj grad -.217869560E+39 0.656820132E+37 0.444973903E+38 0.293927165E+40
273     1.d-4 -.848343350E+09 0.186724144E+10 -.768266406E+10 0.188919420E+10
274     # with nTimeSteps=960
275     adj grad -.125255788E+49 0.377613667E+47 0.255820763E+48 0.168982206E+50
276     1.d-4 0.683065531E+10 -.241320782E+11 -.359080729E+11 0.222805821E+11
277     # with nTimeSteps=1920
278     adj grad 0.993422132E+94 -.299490969E+93 -.202895220E+94 -.134022280E+96
279     1.d-4 0.677603652E+12 0.115923780E+12 -.383606246E+12 -.393716060E+12
280     # with nTimeSteps=2400
281     adj grad 0.204800998+114 -.617421814+112 -.418282846+113 -.276296408+115
282     1.d-4 0.796041873E+12 0.280172355E+12 -.429971310E+12 -.655627972E+12
283     # with nTimeSteps=3600
284     adj grad 0.123800977+143 -.373227788+141 -.252849475+142 -.167019524+144
285     1.d-4 0.154270431E+12 0.246315840E+12 0.392679620E+12 0.816557457E+11
286    
287     # With cost_ice_flag = 2
288     # adj grad 0.500216760+194 -.353450868+194 -.799381224+195 -.173412383+194
289     # 1.d-04 -.327859949E+08 -.300222927E+10 0.252204364E+09 -.658448165E+10
290     # 1.d-03 -.572185323E+08 0.614938314E+08 -.850914638E+09 0.248982808E+08
291     # 1.d-02 -.624721639E+07 -.147537212E+08 -.114497432E+09 -.358163526E+08
292     # 1.d-01 0.603974309E+07 -.684786020E+07 -.149337451E+09 -.601790080E+07
293     # 1.d-00 -.497381448E+06 -.404972657E+05 -.142684281E+09 -.501277195E+08
294    
295     # 100 day experiment with cost_ice_flag = 3, but in North Atlantic
296     # domain, i.e., with no sea-ice is OK
297     adj grad 0.234593317E+17 0.166950683E+17 0.238665515E+17 0.249850733E+17
298     1.d-4 0.234313954E+17 0.166674930E+17 0.238322031E+17 0.249217155E+17
299    
300     # with same order of magnitude results as those from pkg/exf bulk formulae
301     adj grad 0.279968788E+17 0.226979382E+17 0.269224396E+17 0.323359773E+17
302     1.d-4 0.279944626E+17 0.226935335E+17 0.269274317E+17 0.323399293E+17
303    
304     # 10 day experiment with cost_ice_flag = 3 is OK
305     adj grad 0.353941629E+17 0.955451129E+16 -.265793314E+17 0.232229067E+16
306     1.d-4 0.353943893E+17 0.955563114E+16 -.265195776E+17 0.232137949E+16
307     1-fd/adj -.639540199E-05 -.117207086E-03 0.224813073E-02 0.392362727E-03
308    
309     # 100 day experiment with cost_ice_flag = 3 fails
310     adj grad 0.134326162+285 0.434825818+285 0.353667347+285 -.121707013+286
311     1.d-4 -.248910431E+20 -.581887317E+20 0.530805948E+18 0.554441614E+20
312    
313     # 100 day experiment with cost_ice_flag = 4 fails
314     adj grad 0.942881479+279 0.305219181+280 0.248251262+280 -.854303341+280
315     1.d-4 0.550158678E+19 -.107685572E+20 -.139042495E+20 0.445855968E+20
316    
317     # 100 day experiment with cost_ice_flag = 5 fails
318     adj grad 0.149606733+285 0.484290396+285 0.393899563+285 -.135552065+286
319     1.d-4 -.300535490E+20 -.689378119E+20 0.300954675E+19 0.767231924E+20
320    
321    
322     # With cost_ice_flag = 6, i.e., a quadratic cost function
323     # 1.d-04 -.525101466E+01 -.328685504E+03 0.267928050E+02 -.563072857E+03
324     # 1.d-03 -.313705632E+01 0.463320361E+01 -.458088751E+02 0.571140277E+00
325     # 1.d-02 -.232806373E+00 -.104311448E+01 0.173597838E+02 -.394705606E+01
326     # 1.d-01 0.515424287E+00 -.578962143E+00 0.108556846E+02 -.563596055E+00
327     # 1.d-00 -.480177391E-01 -.327366136E-02 0.107190195E+02 -.498391127E+01
328     # adj grad NAN NAN NAN NAN
329    
330     # 100 day experiments with all albedos set to a constant 0.4, with
331     # IMAX_TICE=50, and with HSNOW=0 also fail with NANs
332    
333     # 100-day with undef ALLOW_GMREDI
334     adj grad 0.846385475+258 0.198955589+259 0.729012228+259 0.320320183+256
335     1.d-4 -.577220699E+12 -.987464011E+12 -.342421713E+12 -.553564700E+12
336    
337     # Adjoint gradient is OK for 100 days is KPP and GM
338     # are undefined in CPP_OPTIONS file:
339     adj grad 0.717330426E+06 0.106802371E+07 0.443223909E+06 -.581863641E+08
340     1.d-4 0.717581787E+06 0.106213684E+07 0.441527100E+06 -.581863293E+08
341     # Above experiment fails with NANs when extended to 375 days
342     # but it works OK is SEAICE_initialHEFF = 0.0 instead of 1.0
343     adj grad -.256772533E+05 -.782710992E+05 -.273621212E+05 -.133527839E+09
344     1.d-4 -.256640625E+05 -.779858398E+05 -.272338867E+05 -.133528066E+09
345     # 10-yr experiment with above parameters fails with NANs
346    
347     # 100-day with yneg=0 in growth.F
348     adj grad -.246704815E+07 -.171229406E+09 -.113862028E+08 -.156706660E+08
349     1.d-4 -.246699463E+07 -.171229277E+09 -.113861792E+08 -.156706763E+08
350     # 375-day with yneg=0 in growth.F
351     (in progress)
352    
353    
354     #####################
355     # Experiment no. 11 #
356     #####################
357     >>>>>>>>>> PH: THIS ONE NOT YET UPDATED <<<<<<<<<<
358     # Same as experiment 8, but using 2-CPU MPI configuration.
359    
360     # Compile code in bin/:
361     cd ../bin
362     rm -rf *.o *.f *.p rii_files
363     rm -rf *.F *.h *.c Makefile*
364     cp ../verification/natl_box_adjoint/code_seaice/*.h .
365     cp ../verification/natl_box_adjoint/code_seaice/.genmakerc .
366     cp ../verification/natl_box_adjoint/code_seaice/SIZE.h.MPI SIZE.h
367     cp ../verification/natl_box_adjoint/code_seaice/CPP_EEOPTIONS.h.MPI CPP_EEOPTIONS.h
368     # Configure and compile the code:
369     ../tools/genmake -mpi -makefile
370     # ==> on alhena use:
371     # ../tools/genmake -platform=o2k -mpi -makefile
372     make depend
373     # Generate the adjoint code:
374     cd ../adjoint
375     cp ../verification/natl_box_adjoint/code_seaice/makefile .
376     make adtaf
377     make adchange
378     rm -f makefile
379     # Go back and compile the code:
380     cd ../bin
381     make
382     # To run:
383     cd ../exe
384     cp ../verification/natl_box_adjoint/input_seaice/* .
385     cp data.001 data
386     cp ../verification/natl_box_adjoint/input_bulk/data.grdchk .
387     mpirun -np 2 mitgcmuv
388     # To verify the results of the gradient check, type:
389     grep "ph-grd 3" STDOUT.0000
390     # To plot adjoint sensitivy fields
391     cd ../verification/natl_box_adjoint/results_seaice
392     matlab
393     lookat_exp10
394    
395    
396     #####################
397     # Experiment no. 12 #
398     #####################
399     # Same as experiment 6, but including LSR dynamic solver.
400    
401     # Compile code in build/:
402     cd ../build
403     rm -f *.o *.f *.p rii_files *.flow
404     rm -f *.F *.h *.c Makefile* *.template genmake_*
405 heimbach 1.4 ../../../tools/genmake2 -ieee -mods=../code_seaice
406 heimbach 1.2 cp ../code_seaice/SEAICE_OPTIONS.h.DYN SEAICE_OPTIONS.h
407     make depend
408     make adall
409     make ftlall
410    
411     # To run:
412     cd ../exe
413     cp ../input_seaice/* .
414     cp data.seaice.lsr data.seaice
415     cp ../input_bulk/data.grdchk .
416     # run the ADM
417 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt_adm
418 heimbach 1.2 # run the TLM
419 dimitri 1.7 ../build/mitgcmuv_ftl >&! output.txt_tlm
420 heimbach 1.2
421     # To verify the results of the gradient check, type:
422     grep grad-res output.txt_adm
423     # A reference output is in:
424     grep grad-res ../results_seaice/output_exp12.txt_adm
425    
426    
427     #####################
428     # Experiment no. 13 #
429     #####################
430     # Same as experiment 12, but finite difference gradient check for
431     # air temperature is computed and compared for the complete domain.
432    
433     # To run:
434     cd ../exe
435     cp ../input_seaice/* .
436     cp data.seaice.lsr data.seaice
437 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt_adm
438 heimbach 1.2 # To verify the results of the gradient check, type:
439     grep grad-res output.txt_adm > grad-res.txt
440     cd ../results_seaice
441     matlab
442     lookat_exp8
443    
444    
445     #####################
446     # Experiment no. 14 #
447     #####################
448     >>>>>>>>>> PH: THIS ONE NOT YET UPDATED <<<<<<<<<<
449     # Same as in 12 but for a 100-day sensitivity experiment.
450    
451     # Compile code in bin/:
452     cd ../bin
453     rm -rf *.o *.f *.p rii_files
454     rm -rf *.F *.h *.c Makefile*
455     cp ../verification/natl_box_adjoint/code_seaice/*.h .
456     rm -f tamc.h
457     cp ../verification/natl_box_adjoint/code_seaice/.genmakerc .
458     cp ../verification/natl_box_adjoint/code_seaice/SEAICE_OPTIONS.h.MULTILEVEL SEAICE_OPTIONS.h
459     # Configure and compile the code:
460     ../tools/genmake -makefile
461     make depend
462     # Generate the adjoint code:
463     cd ../adjoint
464     cp ../verification/natl_box_adjoint/code_seaice/makefile .
465     make adtaf
466     make adchange
467     rm -f makefile
468     # Go back and compile the code:
469     cd ../bin
470     make
471     # To run:
472     cd ../exe
473     cp ../verification/natl_box_adjoint/input_seaice/* .
474     cp data.100day data
475     cp ../verification/natl_box_adjoint/input_bulk/data.grdchk .
476     cp data.seaice.lsr data.seaice
477 dimitri 1.7 ../build/mitgcmuv >&! output.txt
478 heimbach 1.2 # To verify the results of the gradient check, type:
479     grep "ph-grd 3" output.txt
480    
481     # For 100-day experiment, with cost_ice_flag = 1, the adjoint gradient
482     # blows up, as in Exp. 10
483     # 1.d-04 0.251994583E+11 -.899637862E+10 0.372048919E+10 -.344972301E+10
484     # adj grad -.160660304+210 -.378763253+210 -.239235971+211 -.386444881+209
485    
486     # With cost_ice_flag = 2, i.e., mean sea-ice area
487     # 1.d-04 -.152618243E+11 0.605974121E+06 -.155375485E+11 -.153368205E+11
488     # adj grad 0.000000000E+00 0.000000000E+00 -.124076923E+09 0.000000000E+00
489    
490     # With cost_ice_flag = 6, i.e., a quadratic cost function
491     # 1.d-12 -.106128607E+12 0.106330784E+12 -.106446555E+12 -.106237252E+12
492     # 1.d-08 0.106450924E+08 0.103670536E+05 0.349155947E+05 0.335081902E+05
493     # 1.d-04 -.106143365E+04 0.206965778E+00 -.105672737E+04 -.106326894E+04
494     # 1.d-02 -.120891636E-02 0.106325012E+02 0.841459268E+01 -.107119297E+02
495     # 1.d-01 -.102221209E-02 -.124805738E-02 0.821489714E+01 -.331974254E-02
496     # 1.d-00 0.113825328E-03 -.105881751E+00 0.104550010E+02 -.106209116E+00
497     # adj grad 0.000000000E+00 0.000000000E+00 0.887775373E+01 0.000000000E+00
498    
499    
500     #####################
501     # Experiment no. 15 #
502     #####################
503     # Same as experiment 6, but with SEAICE_MULTILEVEL.
504    
505     # Compile code in build/:
506     rm -f *.o *.f *.p rii_files *.flow
507     rm -f *.F *.h *.c Makefile* *.template genmake_*
508 heimbach 1.4 ../../../tools/genmake2 -ieee -mods=../code_seaice
509 heimbach 1.2 cp ../code_seaice/SEAICE_OPTIONS.h.MULTILEVEL SEAICE_OPTIONS.h
510     make depend
511     make adall
512    
513     # To run:
514     cd ../exe
515     cp ../input_seaice/* .
516     cp ../input_bulk/data.grdchk .
517 dimitri 1.7 ../build/mitgcmuv_ad >&! output.txt
518 heimbach 1.2
519     # To verify the results of the gradient check, type:
520     grep grad-res output.txt
521     # The reference output is in:
522     grep grad-res ../results_seaice/output_exp15.txt_adm
523    
524     # This test suggests that SEAICE_MULTILEVEL decreases the accuracy of
525     # the adjoint model, perhaps because the adjoint model is not handling
526     # multiple recomputations in budget properly.
527    
528    
529     #####################
530     # Experiment no. 20 #
531     #####################
532     # Same as experiment 10, but using divided adjoint.

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