| 1 |
# 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 |
# - The tests below assume that a "taf" executable is available |
| 7 |
# (http://www.fastopt.de/) |
| 8 |
|
| 9 |
>>>>>>>>>>>>>>>>>>>> DO THESE THINGS FIRST <<<<<<<<<<<<<<<<<<<< |
| 10 |
cvs co MITgcm_code |
| 11 |
cvs co MITgcm/verification/natl_box_adjoint |
| 12 |
cvs co MITgcm/verification/lab_sea |
| 13 |
cd MITgcm |
| 14 |
emacs verification/natl_box_adjoint/README & |
| 15 |
cd verification/natl_box_adjoint |
| 16 |
gunzip results*/output*.gz |
| 17 |
mkdir exe |
| 18 |
cd input |
| 19 |
wget -nd -r -A"PH*" http://channel.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input |
| 20 |
cd ../input_seaice |
| 21 |
wget -nd -r -A"*labsea*" http://channel.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input_seaice |
| 22 |
wget -nd -r -A"pickup*" http://channel.mit.edu/datasets/MITgcm_input_files/MITgcm/verification/natl_box_adjoint/input_seaice |
| 23 |
>>>>>>>>>>>>>>>>>>>> DO THESE THINGS FIRST <<<<<<<<<<<<<<<<<<<< |
| 24 |
|
| 25 |
#################### |
| 26 |
# Experiment no. 1 # |
| 27 |
#################### |
| 28 |
# Use air-sea fluxes as controls (standard case): |
| 29 |
# perform gradient checks for first four elements of the |
| 30 |
# heat flux part of the control vector (grdchkvarindex = 3). |
| 31 |
# - with GMREDI, KPP, and shortwave heating |
| 32 |
# - 4 timesteps |
| 33 |
|
| 34 |
# Compile code in build/: |
| 35 |
cd ../build |
| 36 |
../../../tools/genmake2 -ieee -mods=../code |
| 37 |
make depend |
| 38 |
make adall |
| 39 |
|
| 40 |
# To run: |
| 41 |
cd ../exe |
| 42 |
cp ../input/* . |
| 43 |
\rm output.txt |
| 44 |
../build/mitgcmuv_ad >& output.txt |
| 45 |
# To verify the results of the gradient check, type: |
| 46 |
grep grad-res output.txt |
| 47 |
# A reference output is in: |
| 48 |
grep grad-res ../results/output.txt_adm |
| 49 |
|
| 50 |
|
| 51 |
#################### |
| 52 |
# Experiment no. 2 # |
| 53 |
#################### |
| 54 |
# Use bulk formulae and atmospheric state controls |
| 55 |
# (only differences to experiment 1 are in |
| 56 |
# ECCO_CPPOPTIONS.h and in data.grdchk): |
| 57 |
# perform gradient checks for first four elements of the |
| 58 |
# air temperture part of the control vector (grdchkvarindex = 7). |
| 59 |
|
| 60 |
# Compile code in build/: |
| 61 |
cd ../build |
| 62 |
rm -f *.o *.f *.p rii_files *.flow |
| 63 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
| 64 |
../../../tools/genmake2 -ieee -mods=../code_bulk |
| 65 |
make depend |
| 66 |
make adall |
| 67 |
|
| 68 |
# To run: |
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cd ../exe |
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cp ../input_bulk/* . |
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cp ../input_bulk/data.grdchk_precip data.grdchk |
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cp ../input/PH_*.data . |
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\rm output.txt |
| 74 |
../build/mitgcmuv_ad >& output.txt |
| 75 |
# To verify the results of the gradient check, type: |
| 76 |
grep grad-res output.txt |
| 77 |
# A reference output is in: |
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grep grad-res ../results_bulk/output.txt_adm |
| 79 |
|
| 80 |
|
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#################### |
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# Experiment no. 4 # |
| 83 |
#################### |
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# Same as exp. 2, but with ALLOW_SEAICE defined and useseaice = .true. |
| 85 |
|
| 86 |
# Compile code in build/: |
| 87 |
cd ../build |
| 88 |
rm -f *.o *.f *.p rii_files *.flow |
| 89 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
| 90 |
../../../tools/genmake2 -ieee -mods=../code_seaice |
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cp ../code_seaice/SEAICE_OPTIONS.h.FLUXES SEAICE_OPTIONS.h |
| 92 |
make depend |
| 93 |
make adall |
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|
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# To run: |
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cd ../exe |
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cp ../input_bulk/* . |
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cp ../input_bulk/data.grdchk_precip data.grdchk |
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cp ../input_seaice/data.seaice.cgrid data.seaice |
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cp ../input_seaice/data.pkg . |
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cp ../input/PH_*.data . |
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\rm output.txt |
| 103 |
../build/mitgcmuv_ad >& output.txt |
| 104 |
# To verify the results of the gradient check, type: |
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grep grad-res output.txt |
| 106 |
# A reference output is in: |
| 107 |
grep grad-res ../results_seaice/output_exp4.txt_adm |
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|
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|
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#################### |
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# Experiment no. 5 # |
| 112 |
#################### |
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# Same as exp. 4, but using sea-ice bulk formulae. |
| 114 |
# This experiment tests pkg/seaice bulk formulae over open water. |
| 115 |
# No sea-ice is formed anywhere in the domain. |
| 116 |
|
| 117 |
# Compile code in build/: |
| 118 |
cd ../build |
| 119 |
rm -f *.o *.f *.p rii_files *.flow |
| 120 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
| 121 |
../../../tools/genmake2 -ieee -mods=../code_seaice |
| 122 |
make depend |
| 123 |
make adall |
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|
| 125 |
# To run: |
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cd ../exe |
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cp ../input_bulk/* . |
| 128 |
cp ../input_bulk/data.grdchk_precip data.grdchk |
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cp ../input_seaice/data.seaice.cgrid data.seaice |
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cp ../input_seaice/data.pkg . |
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cp ../input/PH_*.data . |
| 132 |
\rm output.txt |
| 133 |
../build/mitgcmuv_ad >& output.txt |
| 134 |
# To verify the results of the gradient check, type: |
| 135 |
grep grad-res output.txt |
| 136 |
# A reference output is in: |
| 137 |
grep grad-res ../results_seaice/output_exp5.txt_adm |
| 138 |
|
| 139 |
|
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#################### |
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# Experiment no. 6 # |
| 142 |
#################### |
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# Same as experiment 5, but in the Labrador Sea rather than in |
| 144 |
# the North Atlantic subduction region. The cost function is |
| 145 |
# total ice volume over the 4-hour test period. |
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# |
| 147 |
# The cost function data files are not used. They contain: |
| 148 |
# labsea_TP_fields : filled with -9999 |
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# labsea_TP_mean : hour 100 ssh (cm) of lab_sea experiment |
| 150 |
# labsea_ERS_fields : filled with -9999 |
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# labsea_SST_fields : 14 * Levitus annual mean SST |
| 152 |
# labsea_Lev.ptmp : 14 * Levitus annual mean temperature |
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# labsea_Lev.salt : 14 * Levitus annual mean salinity |
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# labsea_ssh.err : filled with -9999 |
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# labsea_geoid.err : constant 0.2 with -9999 landmask |
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# labsea_totflux.err : 100 with -9999 landmask |
| 157 |
# labsea_pme.err : 4e-8 with -9999 landmask |
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# labsea_ustress.err : 3 with -9999 landmask |
| 159 |
# labsea_vstress.err : 3 with -9999 landmask |
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|
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# To run: |
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cd ../exe |
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cp ../input_seaice/* . |
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cp ../input_bulk/data.grdchk . |
| 165 |
\rm output.txt |
| 166 |
../build/mitgcmuv_ad >& output.txt |
| 167 |
# To verify the results of the gradient check, type: |
| 168 |
grep grad-res output.txt |
| 169 |
# A reference output is in: |
| 170 |
grep grad-res ../results_seaice/output_exp6.txt_adm |
| 171 |
|
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|
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#################### |
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# Experiment no. 6a # |
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#################### |
| 176 |
# Same as experiment 6, but cost function is now misfit between |
| 177 |
# daily mean seaice model AREA (fractional ice coverage) and |
| 178 |
# Scanning Microwave Radiometer (SMR) observations; |
| 179 |
# fileneme: labsea_daily92to03_20x16_ICECONC |
| 180 |
# Gradient check needs to run long enough (e.g. 240 timesteps) |
| 181 |
# for sufficiently large gradients to build. |
| 182 |
# |
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# To run: |
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cd ../exe |
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cp ../input_seaice/* . |
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cp ../input_seaice/data.240 data |
| 187 |
cp ../input_seaice/data.seaice.cost_smrarea data.seaice |
| 188 |
cp ../input_bulk/data.grdchk . |
| 189 |
\rm output.txt |
| 190 |
../build/mitgcmuv_ad >& output.txt |
| 191 |
# To verify the results of the gradient check, type: |
| 192 |
grep grad-res output.txt |
| 193 |
# A reference output is in: |
| 194 |
grep grad-res ../results_seaice/output_exp6a.txt_adm |
| 195 |
|
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|
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#################### |
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# Experiment no. 7 # |
| 199 |
#################### |
| 200 |
# Same as experiment 6, but finite difference gradient check for |
| 201 |
# air temperature is computed and compared for the complete domain. |
| 202 |
# |
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# Notes: |
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# variables xx_* contain control vector perturbation |
| 205 |
# variables adxx_* contain cost function gradient relative to control |
| 206 |
|
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# To run: |
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cd ../exe |
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cp ../input_seaice/* . |
| 210 |
\rm output.txt |
| 211 |
../build/mitgcmuv_ad >& output.txt |
| 212 |
# To verify the results of the gradient check, type: |
| 213 |
grep grad-res output.txt > grad-res.txt |
| 214 |
cd ../results_seaice |
| 215 |
# plot with matlab: |
| 216 |
matlab |
| 217 |
lookat_exp8 |
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|
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|
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#################### |
| 221 |
# Experiment no. 8 # |
| 222 |
#################### |
| 223 |
# Same as experiment 7, but starting from a checkpoint file. |
| 224 |
|
| 225 |
# To run: |
| 226 |
cd ../exe |
| 227 |
cp ../input_seaice/* . |
| 228 |
cp data.001 data |
| 229 |
\rm output.txt |
| 230 |
../build/mitgcmuv_ad >& output.txt |
| 231 |
# To verify the results of the gradient check, type: |
| 232 |
grep grad-res output.txt > grad-res.txt |
| 233 |
cd ../results_seaice |
| 234 |
matlab |
| 235 |
lookat_exp8 |
| 236 |
|
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|
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#################### |
| 239 |
# Experiment no. 9 # |
| 240 |
#################### |
| 241 |
# Same as experiment 8, but starting from time step 180. |
| 242 |
# This includes a location (12,8) which experiences a phase |
| 243 |
# transition from no-ice to sea-ice, and which therefore has |
| 244 |
# a very large and inaccurate gradient. |
| 245 |
|
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# To run: |
| 247 |
cd ../exe |
| 248 |
cp ../input_seaice/* . |
| 249 |
cp data.180 data |
| 250 |
\rm output.txt |
| 251 |
../build/mitgcmuv_ad >& output.txt |
| 252 |
# To verify the results of the gradient check, type: |
| 253 |
grep grad-res output.txt > grad-res.txt |
| 254 |
cd ../results_seaice |
| 255 |
matlab |
| 256 |
lookat_exp8 |
| 257 |
|
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|
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##################### |
| 260 |
# Experiment no. 10 # |
| 261 |
##################### |
| 262 |
# Set up a 100-day sensitivity experiment. |
| 263 |
# Things start falling apart, see below. |
| 264 |
# Longer integrations periods cause NANs in adjoint gradient. |
| 265 |
# Note: cost_ssh is hardwired for 1-day ssh records |
| 266 |
# "topexperiod" in data.cost is never used. |
| 267 |
|
| 268 |
# Compile code in build/: |
| 269 |
cd ../build |
| 270 |
rm -f *.o *.f *.p rii_files *.flow |
| 271 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
| 272 |
../../../tools/genmake2 -mods=../code_seaice |
| 273 |
make depend |
| 274 |
make adall |
| 275 |
make ftlall |
| 276 |
|
| 277 |
# First run for 24 hours: |
| 278 |
cd ../exe |
| 279 |
cp ../input_seaice/* . |
| 280 |
cp data.24 data |
| 281 |
cp ../input_bulk/data.grdchk . |
| 282 |
# run the ADM |
| 283 |
\rm output.txt_adm |
| 284 |
../build/mitgcmuv_ad >& output.txt_adm |
| 285 |
# run the TLM |
| 286 |
\rm output.txt_tlm |
| 287 |
../build/mitgcmuv_ad >& output.txt_tlm |
| 288 |
# To verify the results of the gradient check, type: |
| 289 |
grep grad-res output.txt_adm |
| 290 |
grep grad-res output.txt_tlm |
| 291 |
# A reference output is in: |
| 292 |
grep grad-res ../results_seaice/output_exp10.txt_adm |
| 293 |
grep grad-res ../results_seaice/output_exp10.txt_tlm |
| 294 |
|
| 295 |
# Now run for 100 days: |
| 296 |
cp data.100day data |
| 297 |
\rm output.txt_adm |
| 298 |
../build/mitgcmuv_ad >& output.txt_adm |
| 299 |
grep grad-res output.txt_adm |
| 300 |
# |
| 301 |
grad-res proc # i j k fc ref fc + eps fc - eps |
| 302 |
grad-res proc # i j k adj grad fd grad 1 - fd/adj |
| 303 |
grad-res ------------------------------- |
| 304 |
grad-res 0 1 17 2 1 0.584991977E+12 0.584969292E+12 0.585035823E+12 |
| 305 |
grad-res 0 1 1 20 0 -.154328414E+42 -.332655172E+12 0.100000000E+01 |
| 306 |
|
| 307 |
# Now modify data.pkg and run for 100 days without KPP and GM: |
| 308 |
emacs -nw data.pkg |
| 309 |
\rm output.txt_adm |
| 310 |
../build/mitgcmuv_ad < /dev/null >& output.txt_adm |
| 311 |
grep grad-res output.txt_adm |
| 312 |
# |
| 313 |
grad-res proc # i j k fc ref fc + eps fc - eps |
| 314 |
grad-res proc # i j k adj grad fd grad 1 - fd/adj |
| 315 |
grad-res ------------------------------- |
| 316 |
grad-res 0 1 17 2 1 0.775568418E+12 0.775568716E+12 0.775568120E+12 |
| 317 |
grad-res 0 1 1 20 0 0.298288524E+10 0.298245351E+10 0.144733246E-03 |
| 318 |
|
| 319 |
# Now modify data and run for 375 days without KPP and GM: |
| 320 |
emacs -nw data |
| 321 |
\rm output.txt_adm |
| 322 |
../build/mitgcmuv_ad < /dev/null >& output.txt_adm |
| 323 |
grep grad-res output.txt_adm |
| 324 |
# |
| 325 |
grad-res proc # i j k fc ref fc + eps fc - eps |
| 326 |
grad-res proc # i j k adj grad fd grad 1 - fd/adj |
| 327 |
grad-res ------------------------------- |
| 328 |
grad-res 0 1 17 2 1 0.896287794E+12 0.896287828E+12 0.896287760E+12 |
| 329 |
grad-res 0 1 1 20 0 0.341242829E+09 0.341148397E+09 0.276729326E-03 |
| 330 |
|
| 331 |
# Now modify data and run for 3650 days without KPP and GM: |
| 332 |
emacs -nw data |
| 333 |
\rm output.txt_adm |
| 334 |
../build/mitgcmuv_ad < /dev/null >& output.txt_adm |
| 335 |
grep grad-res output.txt_adm |
| 336 |
# |
| 337 |
grad-res proc # i j k fc ref fc + eps fc - eps |
| 338 |
grad-res proc # i j k adj grad fd grad 1 - fd/adj |
| 339 |
grad-res ------------------------------- |
| 340 |
|
| 341 |
|
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|
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|
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|
| 345 |
|
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|
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|
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|
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|
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##################### |
| 351 |
# Experiment no. 11 # |
| 352 |
##################### |
| 353 |
>>>>>>>>>> PH: THIS ONE NOT YET UPDATED <<<<<<<<<< |
| 354 |
# Same as experiment 8, but using 2-CPU MPI configuration. |
| 355 |
|
| 356 |
# Compile code in bin/: |
| 357 |
cd ../bin |
| 358 |
rm -rf *.o *.f *.p rii_files |
| 359 |
rm -rf *.F *.h *.c Makefile* |
| 360 |
cp ../verification/natl_box_adjoint/code_seaice/*.h . |
| 361 |
cp ../verification/natl_box_adjoint/code_seaice/.genmakerc . |
| 362 |
cp ../verification/natl_box_adjoint/code_seaice/SIZE.h.MPI SIZE.h |
| 363 |
cp ../verification/natl_box_adjoint/code_seaice/CPP_EEOPTIONS.h.MPI CPP_EEOPTIONS.h |
| 364 |
# Configure and compile the code: |
| 365 |
../tools/genmake -mpi -makefile |
| 366 |
# ==> on alhena use: |
| 367 |
# ../tools/genmake -platform=o2k -mpi -makefile |
| 368 |
make depend |
| 369 |
# Generate the adjoint code: |
| 370 |
cd ../adjoint |
| 371 |
cp ../verification/natl_box_adjoint/code_seaice/makefile . |
| 372 |
make adtaf |
| 373 |
make adchange |
| 374 |
rm -f makefile |
| 375 |
# Go back and compile the code: |
| 376 |
cd ../bin |
| 377 |
make |
| 378 |
# To run: |
| 379 |
cd ../exe |
| 380 |
cp ../verification/natl_box_adjoint/input_seaice/* . |
| 381 |
cp data.001 data |
| 382 |
cp ../verification/natl_box_adjoint/input_bulk/data.grdchk . |
| 383 |
mpirun -np 2 mitgcmuv |
| 384 |
# To verify the results of the gradient check, type: |
| 385 |
grep "ph-grd 3" STDOUT.0000 |
| 386 |
# To plot adjoint sensitivy fields |
| 387 |
cd ../verification/natl_box_adjoint/results_seaice |
| 388 |
matlab |
| 389 |
lookat_exp10 |
| 390 |
|
| 391 |
|
| 392 |
##################### |
| 393 |
# Experiment no. 12 # |
| 394 |
##################### |
| 395 |
# Same as experiment 6, but including LSR dynamic solver. |
| 396 |
|
| 397 |
# Compile code in build/: |
| 398 |
cd ../build |
| 399 |
rm -f *.o *.f *.p rii_files *.flow |
| 400 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
| 401 |
../../../tools/genmake2 -ieee -mods=../code_seaice |
| 402 |
cp ../code_seaice/SEAICE_OPTIONS.h.DYN SEAICE_OPTIONS.h |
| 403 |
make depend |
| 404 |
make adall |
| 405 |
make ftlall |
| 406 |
|
| 407 |
# To run: |
| 408 |
cd ../exe |
| 409 |
cp ../input_seaice/* . |
| 410 |
cp data.seaice.lsr data.seaice |
| 411 |
cp ../input_bulk/data.grdchk . |
| 412 |
# run the ADM |
| 413 |
../build/mitgcmuv_ad >&! output.txt_adm |
| 414 |
# run the TLM |
| 415 |
../build/mitgcmuv_ftl >&! output.txt_tlm |
| 416 |
|
| 417 |
# To verify the results of the gradient check, type: |
| 418 |
grep grad-res output.txt_adm |
| 419 |
# A reference output is in: |
| 420 |
grep grad-res ../results_seaice/output_exp12.txt_adm |
| 421 |
|
| 422 |
|
| 423 |
##################### |
| 424 |
# Experiment no. 13 # |
| 425 |
##################### |
| 426 |
# Same as experiment 12, but finite difference gradient check for |
| 427 |
# air temperature is computed and compared for the complete domain. |
| 428 |
|
| 429 |
# To run: |
| 430 |
cd ../exe |
| 431 |
cp ../input_seaice/* . |
| 432 |
cp data.seaice.lsr data.seaice |
| 433 |
../build/mitgcmuv_ad >&! output.txt_adm |
| 434 |
# To verify the results of the gradient check, type: |
| 435 |
grep grad-res output.txt_adm > grad-res.txt |
| 436 |
cd ../results_seaice |
| 437 |
matlab |
| 438 |
lookat_exp8 |
| 439 |
|
| 440 |
|
| 441 |
##################### |
| 442 |
# Experiment no. 14 # |
| 443 |
##################### |
| 444 |
>>>>>>>>>> PH: THIS ONE NOT YET UPDATED <<<<<<<<<< |
| 445 |
# Same as in 12 but for a 100-day sensitivity experiment. |
| 446 |
|
| 447 |
# Compile code in bin/: |
| 448 |
cd ../bin |
| 449 |
rm -rf *.o *.f *.p rii_files |
| 450 |
rm -rf *.F *.h *.c Makefile* |
| 451 |
cp ../verification/natl_box_adjoint/code_seaice/*.h . |
| 452 |
rm -f tamc.h |
| 453 |
cp ../verification/natl_box_adjoint/code_seaice/.genmakerc . |
| 454 |
cp ../verification/natl_box_adjoint/code_seaice/SEAICE_OPTIONS.h.MULTILEVEL SEAICE_OPTIONS.h |
| 455 |
# Configure and compile the code: |
| 456 |
../tools/genmake -makefile |
| 457 |
make depend |
| 458 |
# Generate the adjoint code: |
| 459 |
cd ../adjoint |
| 460 |
cp ../verification/natl_box_adjoint/code_seaice/makefile . |
| 461 |
make adtaf |
| 462 |
make adchange |
| 463 |
rm -f makefile |
| 464 |
# Go back and compile the code: |
| 465 |
cd ../bin |
| 466 |
make |
| 467 |
# To run: |
| 468 |
cd ../exe |
| 469 |
cp ../verification/natl_box_adjoint/input_seaice/* . |
| 470 |
cp data.100day data |
| 471 |
cp ../verification/natl_box_adjoint/input_bulk/data.grdchk . |
| 472 |
cp data.seaice.lsr data.seaice |
| 473 |
../build/mitgcmuv >&! output.txt |
| 474 |
# To verify the results of the gradient check, type: |
| 475 |
grep "ph-grd 3" output.txt |
| 476 |
|
| 477 |
# For 100-day experiment, with cost_ice_flag = 1, the adjoint gradient |
| 478 |
# blows up, as in Exp. 10 |
| 479 |
# 1.d-04 0.251994583E+11 -.899637862E+10 0.372048919E+10 -.344972301E+10 |
| 480 |
# adj grad -.160660304+210 -.378763253+210 -.239235971+211 -.386444881+209 |
| 481 |
|
| 482 |
# With cost_ice_flag = 2, i.e., mean sea-ice area |
| 483 |
# 1.d-04 -.152618243E+11 0.605974121E+06 -.155375485E+11 -.153368205E+11 |
| 484 |
# adj grad 0.000000000E+00 0.000000000E+00 -.124076923E+09 0.000000000E+00 |
| 485 |
|
| 486 |
# With cost_ice_flag = 6, i.e., a quadratic cost function |
| 487 |
# 1.d-12 -.106128607E+12 0.106330784E+12 -.106446555E+12 -.106237252E+12 |
| 488 |
# 1.d-08 0.106450924E+08 0.103670536E+05 0.349155947E+05 0.335081902E+05 |
| 489 |
# 1.d-04 -.106143365E+04 0.206965778E+00 -.105672737E+04 -.106326894E+04 |
| 490 |
# 1.d-02 -.120891636E-02 0.106325012E+02 0.841459268E+01 -.107119297E+02 |
| 491 |
# 1.d-01 -.102221209E-02 -.124805738E-02 0.821489714E+01 -.331974254E-02 |
| 492 |
# 1.d-00 0.113825328E-03 -.105881751E+00 0.104550010E+02 -.106209116E+00 |
| 493 |
# adj grad 0.000000000E+00 0.000000000E+00 0.887775373E+01 0.000000000E+00 |
| 494 |
|
| 495 |
|
| 496 |
##################### |
| 497 |
# Experiment no. 15 # |
| 498 |
##################### |
| 499 |
# Same as experiment 6, but with SEAICE_MULTILEVEL. |
| 500 |
|
| 501 |
# Compile code in build/: |
| 502 |
rm -f *.o *.f *.p rii_files *.flow |
| 503 |
rm -f *.F *.h *.c Makefile* *.template genmake_* |
| 504 |
../../../tools/genmake2 -ieee -mods=../code_seaice |
| 505 |
cp ../code_seaice/SEAICE_OPTIONS.h.MULTILEVEL SEAICE_OPTIONS.h |
| 506 |
make depend |
| 507 |
make adall |
| 508 |
|
| 509 |
# To run: |
| 510 |
cd ../exe |
| 511 |
cp ../input_seaice/* . |
| 512 |
cp ../input_bulk/data.grdchk . |
| 513 |
../build/mitgcmuv_ad >&! output.txt |
| 514 |
|
| 515 |
# To verify the results of the gradient check, type: |
| 516 |
grep grad-res output.txt |
| 517 |
# The reference output is in: |
| 518 |
grep grad-res ../results_seaice/output_exp15.txt_adm |
| 519 |
|
| 520 |
# This test suggests that SEAICE_MULTILEVEL decreases the accuracy of |
| 521 |
# the adjoint model, perhaps because the adjoint model is not handling |
| 522 |
# multiple recomputations in budget properly. |
| 523 |
|
| 524 |
|
| 525 |
##################### |
| 526 |
# Experiment no. 20 # |
| 527 |
##################### |
| 528 |
# Same as experiment 10, but using divided adjoint. |
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