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revision 1.1321 by dimitri, Wed Oct 27 05:48:33 2010 UTC revision 1.1650 by jmc, Wed Apr 11 18:17:42 2012 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o model/src:
8     - define internal flag "uniformFreeSurfLev" (=T when free-surface level-index
9       is everywhere k=1) to speed-up some calculations (by pass kSurf reference);
10       temporary set to usingZCoords value (to be changed to F when using shelfice).
11     - hydrostatic pressure: implement partial cell near the surface also for
12       Z-coordinates (for the case where uniformFreeSurfLev=F); replace test on
13       usingZCoords with test on uniformFreeSurfLev where needed (in NonHyd code).
14    o pkg/ctrl/ctrl_init.F:
15     - add a formal parameter to s/r ctrl_init_rec to print
16       xx_$(ctrl_valiable)_file for easier debugging
17     - move call of cal_* routines into the if-block where they are really
18       needed so that xx_$(ctrl_variable)_period can be 0 or -12 without having
19       to specify a startdate
20    o pkg/seaice:
21     - update comments in SEAICE_OPTIONS.h (+ similar update of lab_sea/code and
22       global_ocean.cs32x15/code versions).
23     - turn on seaice Multi-category (in data.seaice, SEAICE_multDim=7) for
24       verification experiment global_ocean.cs32x15.seaice and update results.
25    o pkg/exf:
26     - new S/R EXF_GETFIELD_START to return starting-time of a forcing field
27       (according to useExfYearlyFields).
28    o pkg/cal:
29     - move calendar setting & summary (previously in cal_readparams.F) into new
30       S/R CAL_INIT_FIXED to be called later in the initialisation process, once
31       length of the simulation is set (after SET_PARMS call); This is an attempt
32       to fix Pb when, e.g.: pkg/longstep, modifies the length of the run.
33     - For safety: keep a record of pkg/cal parameter settings status
34               to allow to STOP if one pkg/cal S/R is called too early.
35     - add a stop in all basic pkg/cal subroutines if called before setting is done.
36     - modify cal_getdate.F: stop when nothing was returned;
37       if called with myIter=-1, simply retrun modelBaseDate (1,2 = startDate_1,_2);
38       this allows to remove "cal.h" from seaice_read_parms.F & init_mnc_vars.F.
39    
40    checkpoint63l (2012/04/04)
41    o pkg/bbl:
42      - fix call to FIND_RHO_2D in bbl_calc_rho.F (case multi-tiles per proc);
43        update global_with_exf output.yearly.txt file.
44    o pkg/cal:
45      - start to clean-up cal_set.F ; fix for the case where baseTime is non-zero.
46      - remove 2 unsused and very short (1 line only) functions ;
47      - remove unsused subroutines from AD-Diff list.
48    o model/src:
49      - start to implement clean wait to stop in initialization S/R (config_check.F,
50         packages_check.F, ini_parms.F and pkg/obcs/obcs_check.F + pkg/mypackage)
51    o folowing PRINT_MESSAGE changes:
52      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
53    o pkg/bbl:
54      - modification so it can work with z*
55      - replace deltaT with dTtracerLev(k) for asynchronous time stepping
56      - global_with_exf/input.yearly verification; changes output.yearly.txt
57    o eesupp/src:
58      - PRINT_MESSAGE: use OpenMP critical instruction (similar to PRINT_ERROR);
59        writing to unit 0 (if unit=errorMessageUnit) extended to the case myThid=1
60      - CHECK_THREADS: specific code if using OpenMP threading: improve checking of
61        # of threads across processors (e.g., different env OMP_NUM_THREADS setting)
62      - improve special preliminary call to EESET_PARMS (if eedata is read 2 times).
63      - when using MPI, always set usingMPI=T ; set default accordingly and stop
64        if not consistent.
65      - ALL_PROC_DIE: add a BARRIER after MPI_FINALIZE call ; skip this when thread
66        argument is zero (in case called within single-thread section).
67    o pkg/fizhi:
68        clean-up turbulence cold-start switch: decided in fizhi_init_vars.F, stored
69        in common bloc (fizhi_coms.h) and then passed as argument up to S/R TURBIO.
70    o pkg/exch2:
71      - add argument "updateCorners" to S/R exch2_get_uv_bounds (enable to
72        activate EXCH_IGNORE_CORNERS in vector EXCH S/R).
73      - switch 1rst EXCH call to IGNORE_CORNERS (instead of UPDATE_CORNERS)
74        but keep the 2nd with UPDATE_CORNERS: this prevents overwriting good data
75        with bad ones coming from a not-yet-updated halo.
76        This should fix the problem when sNx <> sNy and GCD(sNx,sNy) < 2*Olx.
77    o pkg/frazil:
78        move FrzForcT diag from frazil_diagnostics_state.F to frazil_calc_rhs.F
79        http://mitgcm.org/pipermail/mitgcm-devel/2012-March/005384.html
80    o model/src/config_check.F: add a check for OLx>sNx/OLy>sNy
81    o verification/lab_sea
82      * #undef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING
83      * #define ALLOW_SST_CONTROL & ALLOW_SST_CONTROL
84      * nTimeSteps 3 -> 4
85      * changed reference output accordingly
86    o pkg/ctrl:
87      * fix ctrl_get_gen for xx_sst, xx_sss
88    o pkg/fizhi:
89      - fix 2 calls to S/R GRD2MSC (argument igrd) in update_earth_exports.F
90        update results of exp. fizhi-cs-32x32x40 (fail with only 6 digits for cg2d)
91      - by default, use new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE);
92        fix few out-of-bounds indices in referencing vars (initialise igrd to 1);
93        clean-up fizhi_turb.F (remove unused & uninitialised qdiaglsm array).
94    o pkg/gmredi:
95      - add diagnostic of Redi (main diagnonal) vertical diffusive flux of Temp
96    o pkg/fizhi:
97      - fix few initialisation and multi-tile Pb: aqualev & gridalt now pass the
98        (old)aces open64 tuv test.
99    o pkg/icefront: fix bug and reorder loop in icefront_init_varia.F
100    o pkg/mom_vecinv:
101      - fix 1 loop range in mom_vecinv.F to be like all the other loops which
102        set/update gu,gv/Diss (fix Pb of uninitialised fVerUkp in admom_vecinv
103        with non-lin free-surf).
104    o model/src: move k-loop outside of i/j-loops when (re-)computing R_low
105      in ini/update_masks_etc.F in order to avoid -O3 optimization problems with
106      some compilers (gfortran 4.6.0 on MacOS)
107    o momentum:
108      - separate fVer?(:,:,kUp) & fVer?(:,:,kDown) in argument list of MOM_FLUXFORM
109        & MOM_VECINV subroutines (to help TAF). This fixes Pb of uninitialised
110        fVer?(kUp) in admom_fluxform with non-lin free-surf or bottom control.
111    
112    checkpoint63k (2012/03/17)
113    o model/src:
114       - selectAddFluid (ALLOW_ADDFLUID): add missing term in horizontal momentum
115         flux-form (mom_fluxform.F) and vertical momentum (calc_gw.F) equations.
116       - SOLVE_DIAGONAL: switch default to use adjoinable & vectorized version
117         (#undef SOLVE_DIAGONAL_LOWMEMORY); update output of exp. front_relax.bvp.
118    o model/src: solve_*diagonal.F
119       - replace division with multiplication by inverse (similar to original version)
120         update output of AD exp. global_ocean.90x40x15.
121       - fix pkg/gmredi/gmredi_calc_psi_bvp.F & pkg/ggl90/ggl90_calc.F
122         to enable the use of the vectorized & differentiable solve_tridiagonal.F
123       - test exp. global_ocean.90x40x15/input_ad: switch to advection scheme 20 for
124         vertical advection (to get solve_tridiagonal tested in AD mode).
125    o pkg/seaice: ECCO-CLIVAR merge:
126      1. seaice AREA relaxation
127         * CPP option: SEAICE_ALLOW_AREA_RELAXATION
128         * runtime flag: SEAICE_tauAreaObsRelax
129      2. modified global mean cost imbalance code: CPP option
130          ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION
131    o another iteration on solve_*diagonal.F
132       Make choices independent of AUTODIFF
133       Default will be the adjoinable vectorized version.
134       Alternative choices are:
135       * non-adjoinable original version with low memory footprint:
136         #define SOLVE_DIAGONAL_LOWMEMORY
137       * still adjoinable but does not vectorize (k as inner-most loop):
138         #define SOLVE_DIAGONAL_KINNER (keeping SOLVE_DIAGONAL_LOWMEMORY undef)
139    o testreport
140     - add option to use a home made wrapper around "make"
141     - remove MITGCM_IEEE env. variable (no longer active)
142    o pkg/shelfice
143     - improve computation of friction velocity for velocity dependent
144       exchange coefficients: include velocities into SHELFICEBoundaryLayer
145       block to average velocities vertically
146     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
147    o Modify diagonal solvers, now three versions (upon request):
148      #ifndef SOLVE_DIAGONAL_AUTODIFF
149        1. default version (dating back a while ago)
150      #else /* def SOLVE_DIAGONAL_AUTODIFF */
151      # ifdef SOLVE_DIAGONAL_KINNER
152        2. adjoinable version with k-innermost loop (G. Forget)
153      # else
154        3. adjoinable vectorized version of 2.
155      # endif
156      #endif /* SOLVE_DIAGONAL_AUTODIFF */
157      All flags are currently set within routines, but could/should be moved to CPP-options.
158      Array bounds for 1. are as before, for 2.,3. cover the entire domain
159      (could be changed for 1. too).
160    o verification/lab_sea (fwd):
161      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
162        use 7 categories (except hb87), new solve4temp params (except salt_plume),
163        constant salinity (=4) or variable salinity (salt_plume) done through
164        SItracer.
165    o pkg/seaice:
166      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
167      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
168         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
169        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
170        SEAICE_freeze got retired) but already better than previously with
171        SEAICE_freeze=123456.7 deg.C;
172      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
173        (safer multi-threaded setting); always set SEAICEuseEVP;
174      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
175        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
176        stop if multiple specifications for the same coeff; make sure default
177        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
178    o pkg/obcs:
179      - allow to switch to upwind 1rst order advection scheme for the advective
180        flux computation at the open-boundary; disabled for adjoint built.
181    o pkg/ptracers:
182      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
183      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
184      - add parameter to decide when to start a tracer; use internal flag to
185        know which tracer to step-forward; switch this internal flag at the top
186        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
187        for adjoint built.
188    o pkg/seaice:
189      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
190      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
191      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
192    o pkg/ecco:
193      - fix writing of output file DiagnosCost_ClimSalt/Theta
194        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
195    o pkg/seaice:
196      - add missing initialisation of COR_ICE array in dynsolver.F
197      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
198        compiled either way, and is tested in all exps (multidim was only tested
199        in lab_sea ad before).
200      - cosmetic change to prepare for future addition of ITD. no change to results.
201        no defaults change.
202      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
203      - by lack of adequate verification experiments, I further used custom versions
204        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
205        should be correct.
206      - avoid recomputations in ad.
207    o array initialisation in adjoint mode:
208      1) pkg/mom_common/mom_calc_ke.F:
209        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
210        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
211        part this initialisation is gone, resulting in Floating Point Exception
212        (caught by open64 compiler with debug option).
213      2) model/src/convective_weights.F
214        set output convectCount over the full array range (instead of doing
215        an update): this fix a similar issue when called within recomputation (adjoint)
216        which could by-pass the initialisation (normally done in the caller S/R).
217    o pkg/seaice:
218      - final version of turbulent flux params, as agreed at MIT ice meet:
219           SEAICE_mcPheePiston (default is ~ 0.000875)
220           SEAICE_mcPheeTaper (default is 0.)
221           SEAICE_frazilFrac (defualt is 1.)
222           SEAICE_mcPheeStepFunc (default is false)
223      - changes results at trunction error level
224      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
225    o added pkg/frazil:
226      - see frazil_description.tex for details
227      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
228    o pkg/shelfice/shelfice_thermodynamics.F
229      - fix exponents for velocity dependent exchange coefficients: change
230        from 2/3(=0) to 0.66666666666666667
231      - move computation of velocity dependent exchange coefficients into
232        separate loop, so that it applies to both thermodynamics
233      - move some divisions by constants out of loops
234    
235    checkpoint63j (2012/02/16)
236    o pkg/seaice:
237      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
238      - SItracer:  added run time params, and allow coupling to ocn salinity.
239    o pkg/seaice: remove (almost) all divisions by constants within loops
240      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
241      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
242      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
243      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
244    o pkg/seaice :
245      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
246        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
247      - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
248      - add permanent SItflux diag that corresponds to TFLUX but includes
249        ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
250      - allow activation/testing of a fix for suspected missing term in
251        ocn-ice heat budget (to be confirmed). To test this, you want to
252        undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
253        SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
254      - no change in results, fwd or ad.
255    o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
256      - switch to variable freezing point.
257           Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
258      - bug fix : the sublimation term that was missing is now activated.
259           Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
260      - bug fix : flooding sign term for SIsal0.NE.0.
261           Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
262    o pkg/seaice:
263      - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
264        is now the default, and the old default constant freezing point is recovered
265        with SEAICE_tempFrz0    = -1.96,
266             SEAICE_dTempFrz_dS = 0.,
267      - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
268      - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
269      - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
270        activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
271      - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
272        was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
273      - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
274        seaice_growth r149 for legacy branch (no results change).
275      - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
276        from I. Fenty).
277      - results did not change except for global_ocean.cs32x15, mostly due to the
278        switch to variable freezing point (see above item for detail).
279    o pkg/thsice:
280      - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
281        seawater freezing in thsice_calc_thickn (not used).
282    o pkg/seaice: turbulent flux term specification via run time params.
283      - replace CPP switches with run time switches to facilitate testing
284      - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
285                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
286      - added runtime parameter : SEAICEturbFluxFormula
287      - move Mcphee constants to SEAICE_PARAMS.h
288      - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
289                 SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
290                 remove seaice_summary call (moved to seaice_init_fixed)
291      - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
292        SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
293      - seaice_summary.F : add missing report of read turbulent flux term set up
294                           and SITRACER.
295      - seaice_check.F : check range; inform and stop if retired CPPs are used
296                         (incl. SEAICE_AGE).
297      - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
298             CPP switch, same computation as before for the different options.
299      - change results at the truncation level.
300    o pkg/seaice:
301      - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
302        useMaykutSatVapPoly (default=F), postSolvTempIter (default=2) and
303        SEAICE_wetAlbTemp (default=-1e-3). Remove option SEAICE_SOLVE4TEMP_LEGACY.
304      - update verification/*/input*/data.seaice:
305        to reproduce previous results with former #defined SEAICE_SOLVE4TEMP_LEGACY
306        code, set useMaykutSatVapPoly=T & postSolvTempIter=0 ;
307        and to reproduce previous results with former non-SOLVE4TEMP_LEGACY code,
308        set SEAICE_wetAlbTemp=0 & SEAICE_snowThick=0.
309    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY):
310      - remove LEGACY code for solving for tsurf (A1,A2,A3) but maintain the same
311        algorithm (same choice: useMaykutPolySatVap=T, postSolvTempIter=0);
312        difference in results only due to machine truncation.
313      - remove MAX_TICE (tsurf is always =< TMELT anyway); keep MIN_TICE if using
314        MaykutPolySatVap; keep MIN_LWDOWN.
315      - adapt SEAICE_MODIFY_GROWTH_ADJ code (untested) to non-legacy formulation.
316      - update output of verification exp. lab_sea (4 fwd: 11 cg2d digits except hb87,
317        + 3 AD: 6 digits except evp) and offline_exf_seaice.seaice (12 digits).
318    o pkg/salt_plume:
319      - isolate saltPlumeFlux array exch into a specific S/R called from
320        do_oceanic_phys.F
321      - add interface to pkg/salt_plume (filling of saltPlumeFlux) in pkg/thsice.
322    o verification:
323      - move untested set-up to MITgcm_contrib/verification_other.
324    o pkg/seaice:
325      - retire old way of SEAICE_AGE. Now replaced with ALLOW_SITRACER.
326    o pkg/seaice:
327      - seaice_solve4temp.F (keeping results unchanged):
328        * add 2 future run-time params to select which saturation vapor pressure
329          formula is used and how post-iteration fluxes are set.
330          Temporary set these 2 params according to option SOLVE4TEMP_LEGACY;
331        * New piece of code (not used) to update surf. atmos. heat flux F_ia using
332          the linearized expression to stay consistent with tsurf finding.
333      - seaice_freedrift.F avoid floating exception in sqrt(y) since y=sqrt(x*x)-x
334        can be < 0.
335    o pkg/seaice/seaice_solve4temp.F (SOLVE4TEMP_LEGACY undef):
336      - remove from F_ia (and from it's derivative dFiDTs1) the contribution of
337        conductive heat flux F_c , and add it explicitly when updating tsurf as
338        solution of: Fc = Fia + d/dT(Fia - Fc) *delta.tsurf
339        so that now F_ia has a consistent meaning through the entire routine.
340        This causes differences at truncation level: update output of fwd exp.
341        global_ocean.cs32x15.seaice.
342    o pkg/seaice:
343      - lots of editing/cleaning in seaice_solve4temp.F + better documentation
344        of arrays, sign/direction of fluxes; no effect on results.
345      - replace hard coded 273.16 (=previous value of celsius2K) by celsius2K
346        in seaice_budget_ocean.F & seaice_solve4temp.F (SOLVE4TEMP_LEGACY part);
347        note: this should have been done before changing celsius2K default.
348      - to keep results unchanged, add back old value of celsius2K in verification
349        exp. input*/data : lab_sea (AD), offline_exf_seaice (fwd+AD) & seaice_obcs
350      - replace hard coded seawater freezing temp in seaice_solve4temp.F (part
351        SOLVE4TEMP_LEGACY) of 271.20 (=previous value of celsius2K + default
352        value of SEAICE_freeze) by celsius2K+SEAICE_freeze so that seawater
353        freezing temp is consistent with value in seaice_growth.F ; this causes
354        differences at machine truncation level: update lab_sea AD output (3/4).
355    o pkg/seaice:
356      - mask (in exf_init_fixed.F) atemp,aqh,evap,precip,runoff,lwflx,areamask
357        and climsst/sss even when using seaice (to prevent calculation that might
358        use SST on land); does not affect any verification exp.
359      - apply mask to taux,tauy (in seaice_get_dynforcing.F); update output
360        of lab_sea.fd & lab_sea.hb87 and global_ocean.cs32x15.seaice_dynmix.
361    o pkg/seaice/seaice_growth.F: add mask to avoid non-zero ice thickness
362      over land (non-legacy code)
363    o vectorize salt_plume package:
364      - add extra code to salt_plume_frac and salt_plume_tendency_apply_s
365      - this code computes plumebk everywhere (also over land), thus requires
366        code to avoid divisions by zero and catch the case of kLev=Nr.
367      - efficiency of salt_plume_frac is still sub-optimal
368    o tools (genmake2):
369      - fix makefile NAME specification (option: -makefile NAME) by adding
370        "-f $MAKEFILE" in few places where it was missing including makedepend
371        command (contribution from Paul).
372    
373    checkpoint63i (2012/01/24)
374    o model/src:
375      - add factorized versions of some EOS code to find_rho.F,
376        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
377    o model/src:
378      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
379      - change default celsius2K from 273.16 to 273.15
380      - to keep results unchanged, add back old value of celsius2K in verification
381        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd),
382         global_ocean.cs32x15(seaice) & cpl_aim+ocn(input_atm).
383    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
384      to make TAF generate vectorizable code
385    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
386       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
387       have flags that do this more efficiently.
388    o pkg/diagnostics/diagstats_calc.F
389      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
390    o pkg/obcs (with exch2):
391      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
392        and remove code (in obcs_readparms.F) which was based on EXCH of indices
393        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
394    o pkg/exf and seaice exp:
395      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
396        so that switching off area & heff advection flags does not affect results.
397      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
398      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
399        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
400        results of verification experiments: 1D_ocean_ice_column(fwd),
401        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
402        and offline_exf_seaice (all 4).
403    o pkg/seaice:
404      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
405        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
406      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
407        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
408        not multi-dim advection;
409      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
410        SHORTWAVE_HEATING #undef.
411    o optim: make Makefile more robust (?)
412    o pkg/obcs:
413      * fix treatment of obcs_read_pickup for TAF
414    o pkg/shelfice:
415      * add missing initialisation of num_shifwflx
416      * new adjoint verification exp. for isomip
417      * change Prandtl and Schmidt numbers from generic formulations
418        (in terms of model diffus. and visc.) to separate runtime
419        parameters, with Holland and Jenkins (1999) default values.
420    o pkg/exf (interpolation):
421      - extended input field (2 rows) near the N & S poles:
422        * fill in with the symetric value (when even Nb of data in longitude)
423        * add average value at the poles only for scalar quantities ; for vector
424          component interpolation, skip the averaging and keep duplicated values,
425          unless the 2 components have same location (uvInterp=T) in which case
426          interpolate the 2 components together using S/R EXF_INTERP_UV.
427      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
428        together: this allows to account properly for local orientation when
429        averaging at N & S pole.
430      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
431        exf-interpolation near N & S poles. Undef by default.
432      - add debug check/print on 1rst iter if debugLevel >=2.
433    o pkg/exf:
434      - change masking flags definition (no longer "parameter"), put them in
435        common block and set them in S/R EXF_INIT_FIXED.
436      - change recognized masking flag from s,u,v to c,w,s since the mask
437        to use (maskC,W,S) depends on position on model grid and has little to
438        do with scalar/vector difference; fix masking if using P-coordinates.
439      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
440        and update results of exp. global_with_exf (x2).
441      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
442    o pkg/obcs
443      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
444    o pkg/exf (interpolation):
445      - assume periodicity in X only if input field cover full longitude range.
446      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
447        and should vectorise).
448      - fix input lat of the 2 added row (in case we provide N.pole data).
449    
450    checkpoint63h (2011/12/30)
451    o pkg/seaice:
452      - change declaration of UVM from _RL to _RS in order to get B-grid
453        uIce,vIce monitor when _RS = real*4
454    o pkg/offline:
455      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
456      - compute vertical velocity if not read from file (switch on exactConserv
457        & staggerTimeStep);
458      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
459    o verification:
460      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
461        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
462        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
463      - update output of exp. global_ocean.cs32x15.viscA4 after changing
464        grid-file angles (used here for coriolis-3d);
465      - remove (or gzip) few files not needed to run fizhi-cs experiments.
466    o pkg/exf (vector interpolation):
467      - rotate vector component toward local grid-axis orientation using grid-angles
468        (stored in GRID.h) instead of locally computed rotation angle; keep old code
469        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
470    o pkg/seaice:
471      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
472        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
473    o pkg/PKG_OPTIONS.h files:
474      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
475        outside of the #ifdef ALLOW_THISPKG / #endif block.
476      - update verification/*/code/PKG_OPTIONS.h files.
477    o add a verification experiment (offline_exf_seaice/input.seaice) that test
478      the B-grid LSOR solver
479    o pkg/seaice: sort out emissivity and long wave radiation step 2:
480      - add emissivity for snow and ice as new run-time parameters
481        (unfortunately) that default to the corresponding exf values; this
482        changes results in most verification experiments so that for backward
483        compatibility these parameter have to be set explicitly to inconsistent
484        values (ugly);
485      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
486        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
487        until we agree how to handle this bug properly
488    o pkg/exf (interpolation):
489      - add a set of run-time param ({inputfield}_interpMethod), one for
490        each interpolated input field, to select the interpolation method
491        with a value of zero switching off the interpolation;
492      - print interpolation parameters to standard output;
493      - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
494        (to use instead runoff_interpMethod=0 in data.exf).
495      - simplify default setting of interpolation parameters (for all fields,
496        set position to match model grid cell-center position, leading to trivial
497        interpolation in case of regular Lat-Lon grid) and fix for the case of
498        non-uniform delY.
499    o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
500       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
501       this factor is absolutely required, because the lw exitance (= out-going
502       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
503       where the reflectivity rho = 1-emissivity for conservation reasons. Once
504       this is established, we can remove the CPP-Flag (if we want to).
505    o pkg/seaice:
506      - qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and
507        ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined
508      - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
509        what the name implies (and not emissivity*BoltzmannConstant), this means
510        the old default value of 5.5e-8 now means
511        5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
512        S/R exf_readparms
513      - FV-discretization of the B-grid LSOR solver, turn on with
514        SEAICE_LSRBNEW. This new solver also involves a slight re-organization
515        of the calling routine dynsolver, so that B and C-grid code look a
516        little more alike.
517      - fix index bugs in ostres.F (B-grid code)
518    o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
519    o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
520      default for SEAICE_emissivity, if useEXF; requires setting a wrong
521      parameter value in global_ocean.cs32x15/input.seaice/data.seaice for
522      backward compatiblity
523    o model/src: use sigmaR in calc_ivdc
524    
525    checkpoint63g (2011/12/16)
526    o pkg/seaice/seaice_growth.F:
527      fix heat conservation of the coupled ocean-seaice system.
528      when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of
529      solid vs liquid water treatment is resolved via QNET.
530    o pkg/seaice/seaice_growth.F:
531      add missing term for sublimation in saltFlux, which was breaking conservation.
532    o pkg/seaice/seaice_model.F:
533      Remove this patholigical case treatment in evolution branch,
534      where it is un-necessary and breaks conservation.
535      Update global_ocean.cs32x15/results accordingly for
536      output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt
537    o model/src:
538      useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
539      external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
540    o pkg/obcs:
541      modify Stevens boundary conditions so that S/R obcs_calc_stevens computes
542      tendency for temperature and salinity that is then applied to update
543      theta and salt in S/R obcs_apply_ts; this requires proper masking of all
544      horizontal advection and diffusion contributions on the boundary (in
545      S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and
546      removing the mask in S/R timestep_tracer. The advantage of this approach is
547      that the updated tracer values include contributions from the surface
548      forcing and vertical diffusion.
549      This modification changes exp4.stevens because of vertical diffusion.
550    o model/src:
551      change non-curvilinear grid setting to also work with exch2 + blank tiles:
552      - move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst
553        face dimensions.
554      - new S/R INI_LOCAL_GRID to define model tile-local grid (using same units
555        as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID
556        and INI_SPHERICAL_POLAR_GRID.
557      change test-experiment global_ocean.90x40x15:
558      - split the domain in many more tiles (9x4 tiles of 10x10 each);
559      - switch to exch2 and remove 1 blank-tile (but only for MPI test).
560      - update results of both test (std & dwnslp).
561    o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in
562       tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation
563    o model/src:
564      - take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS
565        and fix initialisation when using sigma-coords.
566    o model/src:
567     - improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc.
568       to their current value at the beginning of forward_step.F": add a new run-time
569       switch "doResetHFactors" (default=false) and use it to do (or not) the resetting.
570     - set doResetHFactors=T in the following test exp:
571        global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS),
572        global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS)
573        and tutorial_global_oce_in_p (nonLinFS in p)
574    o pkg/ecco
575      - added IES cost term
576    o verification/advect_xz
577      - scale down the depth by 1/100 (from 200 km to just 2.km)
578      - add secondary test using divergent flow, r-star and implicit vertical advection.
579      - add note (check_conserve_TS.txt) and matlab script to check global
580        conservation of T & S with NonLin-FreeSurf and Adams-Bashforth.
581    o pkg/rbcs:
582      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
583    o pkg/obcs (Stevens BCs):
584      - fix various problems in the phase speed computations of the Stevens
585        boundary conditions:
586        - sign error for western and southern boundaries,
587        - time tendencies were underestimated by factor of dTracerLev and some just
588          zero (for multidim advection schemes) -> now estimate time tendencies
589          from difference between previous (n) time level and the one before (n-1);
590          this requires storing a field per tracer per boundary, also in the pickup
591          files.
592        - replace deltaTmom in cflMer/Zon computation with dTracerLev
593        - set default phase velocity to cflMer/Zon
594      - update verification experiment exp4.stevens
595    o pkg/generic_advdiff (implicit_r):
596      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
597        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
598      - fix implicit vertical diffusion or advection with NonLin FreeSurf
599        (was using current recip_hFacC instead of future recip_hFacC): set future
600        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
601        solver S/R ;
602      - fill diagnostics of vertical advective fluxes (computed from tendency)
603        when using implicit vert. advection;
604      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
605         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
606         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
607         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
608    o pkg/diagnostics:
609      - add diags for T & S tendency which goes through Adams-Bashforth.
610    
611    checkpoint63f (2011/11/30)
612    o pkg/obcs/obcs_calc_stevens.F:
613      - join some loops to reduce number of if-statements
614      - fix a bug in code for northern and southern boundaries.
615    o pkg/seaice/seaice_init_varia.F
616      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
617        caused zero ice-velocities for the B-grid code
618    o pkg/seaice/seaice_init_fixed.F
619      - fix a bug in the initialisation of the second metric terms
620        k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
621      - this affects all seaice configurations with useCurviLinearGrid = .true.
622        and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
623        = .true. (default)
624      - the only verification experiment affected is global_ocean.cs32x15:
625        icedyn, seaice, and seaice_dynmix (AD)
626    o pkg/thsice/thsice_diagnostics_state.F
627      - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
628        not contain garbage that can lead to surprises in diagstats_calc.F
629    o model/src:
630      - move bi,bj loops inside INTEGR_CONTINUITY ;
631      - call INTEGR_CONTINUITY directly from forward_step.F
632        (previously called from momentum_correction_step.F)
633      - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
634        forward_step.F and pkg/ecco/the_main_loop.F
635    o model/src/do_oceanic_phys.F:
636      - reset addMass to zero only if useICEFRONT ;
637      - separated k-loop for rhoInSitu calculation ;
638      - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
639        and at constant T,S (= WdRHOdP);
640      NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
641        of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
642        transport of locally-referenced potential density);
643        to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
644    o gluemnc:
645      - replace ncrcat with ncks when adding variables to *.glob.nc
646      - change the way variables without record dimensions are handled so that
647        files that have variables with and without record variables can be glued:
648        add a record dimension with a new unique name to be able to differentiate
649        between variable with and without a-prior record dimensions. Remove
650        this record dimension before adding the variable to the *.glob.nc file.
651        This procedure automatically works also for grid.*.nc files that do not
652        have any record dimension.
653    o verification/cpl_aim+ocn:
654      - generate new reference output on baudelaire (gfortran, mpich2) (previously
655        from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
656    o pkg/obcs/obcs_calc_stevens.F:
657      - add code for northern and southern boundaries.
658      - reorder some loops to save some operations and so that drFBar can be scalar
659    o model/src:
660      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
661        truncation) and add diagnostics for Adams-Bashforth tendency increment.
662      - update test-exp. AD output:
663        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
664      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
665        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
666        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
667        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
668        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
669        tutorial_plume_on_slope.
670    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
671      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
672      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
673      does not even come with an F77 compiler anymore, this should not be
674      a limitation
675    
676    checkpoint63e (2011/11/06)
677    o pkg/seaice adjoint of LSR:
678      - substantially rework STORE dirs.
679      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
680        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
681        and only perform SOLV_MAX_FIXED adjoint iters.
682        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
683        always goes to same record, meaning that the last forward field will be
684        the one used in the adjoint - an approximation.
685      - now produces non-zero LSR-related gradients, and acceptable gradients for
686        An's zonal (x-z) test case (to be checked in)
687      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
688        (but these are screwed up by the thermodynamics in the first place);
689        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
690        output_adm.txt also reflects changes to seaice_lsr
691      - global_ocean.cs32x15:
692        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
693          (output_adm.seaice.txt was updated)
694        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
695          (output_adm.seaice_dynmix.txt)
696    o test-exp. exp4+stevens:
697      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
698    o pkg/seaice (lsr solver):
699      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
700        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
701      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
702      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
703        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
704      - compute (with new S/R) and print initial (+ free-driff sol. if available)
705        and final residual of linearised system.
706    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
707      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
708    o pkg/obcs: Stevens BCs (still only for east and west)
709      - fix Stevens BCs by using intermediate velocities of previous
710        time step as "baroclinic" contribution rather velocity of one grid cell
711        inside the boundaries; more consistent but makes the entire treatment
712        more complicated, requires new pickup files and two new S/Rs:
713        obcs_copy_uv_n and obcs_save_uv_n
714        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
715        (undefined by default)
716      - silently move computation of some grid factors into separate loops to
717        save some recomputations
718      - add a hack for non-linear free surface
719      - add a verification experiment to exp4 that tests this code
720    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
721    
722    checkpoint63d (2011/10/25)
723    o pkg/obcs + seaice-dynamics:
724      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
725        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
726        values (consistent with an implicit method).
727      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
728        return to older implementation (same results as before); note that none of
729        the "experimental" OBCS_SEAICE options are implemented in the new version.
730      - switch test exp. seaice_obcs to use new version (update output).
731    o pkg/seaice:
732      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
733      - add parenthesis in Water-Ice drag calculations (evp & lsr);
734      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
735        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
736      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
737        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
738    o pkg/layers:
739      - Include potential density as new coordinate (Thanks to David Munday)
740    o pkg/dic:
741      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
742        carbonate computation/output to CALC_PCO2_APPROX
743    o pkg/generic_advdiff
744      - make TAF generate code that vectorizes:
745        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
746    o model/src:
747      - improve vectorization also for adjoint code of
748        solve_tridiagonal and solve_pentadiagonal. As this requires up to
749        5 new 3D-fields, this code is only turned on for the combination of
750        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
751        for singular matrix check (only for TARGET_NEC_SX).
752      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
753        ALLOW_AUTODIFF. This flag now needs to be set outside of
754        solve_tri/pentadiagonal.F
755    o pkg/exf:
756      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
757        optional namelist EXF_NML_OBCS).
758      - add many debug-print (to trace down where pkg/cal error msg comes from)
759    o pkg/mom_vecinv/mom_vi_hdissip.F
760      - rearrange loops so that vectorization is improved and in particular
761        the adjoint routine vectorizes. The code is a little longer now, but I
762        think easier to read.
763        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
764    o pkg/seaice:
765      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
766    o pkg/exch2:
767      - alternative code (without tile x tile matrix) for cumulated (global) sum;
768        used as default; keep using matrix version in adjustment.cs-32x32x1.
769    o tools/build_options:
770      - after merging some MPI and/or multi-threads specific optfiles so that
771        the modified default optfile support both built (using genmake2 -mpi
772        for the MPI built, using genmake2 -omp for OpenMP built),
773        move now obsolete optfiles to tools/build_options/unsupported/
774       (add copy of email sent to support list in doc/optfiles_changes.txt)
775    
776    checkpoint63c (2011/09/28)
777    o pkg/ebm:
778      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
779        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
780    o pkg/seaice (SItracer pickup)
781    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
782      To be done:
783      - thorough testing of missing fields in S/R seaice_read_pickup
784      - thorough matching between generic tracers and specific fields used
785        (e.g. volume-weighted age, area-weighted age, salinity, ...)
786    o pkg/grdchk:
787      - all procs calculate and print finite-difference gradient (for testreport)
788      - change description output used by testreport;
789      - AD testing: also compare and report Finite-difference gradient;
790        => update all output_adm*.txt
791    o test exp. global_ocean_ebm:
792      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
793        and turn on exactConserve; update (fwd) output.
794    o pkg/seaice (LSR):
795      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
796      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
797        * identical results with non-CS topology (but save up to half of EXCH calls)
798        * no much changes in cs-32 verification tests since no ice at face edges
799         (differences due to convergence criteria, since nb of iterations changed)
800        * expect some differences on lat-lon-cap grid.
801        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
802    o pkg/exch2:
803      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
804        many tiles); until alternative coding is added, just add a stop.
805    o pkg/kpp:
806      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
807        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
808    o optfiles:
809      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
810        into corresponding standard one, which now support different build:
811        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
812      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
813    o pkg/obcs (seaice):
814      - add missing EXCH for uIce,vIce after applying OBCS;
815      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
816        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
817        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
818      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
819      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
820        and eedata.mth for MPI and mutlti-threaded testing.
821    o pkg/flt:
822      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
823      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
824      - fix pickup and trajectories + profiles output with multi-threads;
825      - add parameter to select group of fields to write along trajectory and
826        profile (default unchanged);
827      - only call PORT_RAND* function when flt_noise <> 0;
828      - add multi-threaded test for verification exp. flt_example.
829    o eesupp/src:
830      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
831      - USE_OMP_THREADING: check that number of threads (from eedata) matches
832        actual number (from env.var. setting).
833    o pkg/ebm:
834      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
835      - add multi-threaded test for verification exp. global_ocean_ebm
836    
837    checkpoint63b (2011/08/29)
838    o pkg/ebm:
839      - fix sign of runoff;
840      - update directly forcing fields (Qnet,EmPmR) to use standard
841        external_forcing_surf.F (remove ebm_forcing_surf.F);
842      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
843      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
844        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
845      - update global_ocean_ebm parameters file data and update output (fwd+ad).
846    o verification/matrix_example:
847      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
848        MPI and mutlti-threaded testing.
849    o pkg/matrix:
850      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
851      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
852      - fix for multi-threaded (remove DATA statement);
853      - use standard DIFFERENT_MULTIPLE function;
854      - add MATRIX_OPTIONS.h
855    o verification/matrix_example:
856       To allow to split the domain in several tiles, change the domain size
857        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
858        Western side) of land points.
859    o (*_)write_pickup:
860      - fix few bugs in mypackage_read/write_pickup.F
861      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
862        array of length 1 (was caught by compiler syntax-check).
863    o pkg/diagnostics (velocity potential solver):
864      - fix initialisation of main diagonal matrix (for overlap values)
865    o tools/build_options:
866      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
867        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
868      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
869        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
870        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
871        and use "-devel" testreport option for standard testing on baudelaire.
872    o pkg/grdchk:
873      - Assume that all gradient-check position are within the same tile
874        corresponding to global indices (iGloTile,jGloTile) and that
875        positions (i,j indices or nbeg) are local to this tile;
876      - set tile local-indices and proc. number according to tile global-indices;
877      - remove grdchkwhichproc from namelist (retired param);
878      - send adjoint gradient to all procs so that all procs print it to STDOUT;
879      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
880    o adding package bbl (Bottom Boundary Layer)
881      description in MITgcm/pkg/bbl/bbl_description.tex
882      example/test experiment in MITgcm_contrib/bbl
883    o adjoint verifications
884      - changed 5 experiments to multi-tiles
885        * global_ocean.90x40x15
886        * obcs_ctrl
887        * offline_exf_seaice
888        * tutorial_dic_adjoffline
889        * tutorial_tracer_adjsens
890        changed reference output for those that crossed tile boundaries
891        (changed choices of gradient check positions)
892      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
893      - temporary bug fix in grdchk_loc.F for obcs
894    o genmake2 & testreport
895      - add target "obj" (just for OBJFILES files) to Makefile;
896      - add option to specify FEXTRAFLAGS on command line.
897    o pkg/mypackage:
898      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
899    
900    checkpoint63a (2011/08/02)
901    o pkg/diagnostics (velocity potential):
902      - fix velocity-potential calculation when using OBCS: balance net inflow
903        at each level (new S/R OBCS_DIAG_BALANCE).
904      - fix some of the problems with OBCS in stream-function calculation.
905    o pkg/exf/exf_readparms.F
906      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
907        EXF_NML_OBCS) more consistent, so that you need not have these lists
908        in data.exf when they are not used.
909    o optim/optim_readdata.F:
910      - add some output about obcs variables that might help debugging
911      - add a check about nvarlength
912    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
913    o pkg/diagnostics (velocity potential):
914      - fix mask for OBCS (still problems in stream-function with OBCS);
915      - add specific parameter (default = main code CG2D params) for solver;
916      - in case of poor convergence, use solution corresponding to lowest residual.
917    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
918      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
919      and should be avoided where possible.
920    o model/src (rStar):
921      - include r* effect on reference-state (PhiRef) in totPhiHyd
922        (so that it's really the potential anomaly at the cell center);
923        affect solution only if z* with full pressure in EOS.
924      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
925        update output (because of z* in totPhiHyd and viscA4 changes);
926      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
927        @ constant r) until interpolation at constant r is implemented.
928    o pkg/diagnostics
929      - fix RCENTER diagnostics in case cell center is not at interface middle
930    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
931      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
932      that THETA and SALT are "conservative temperature" and "absolute
933      salinity"
934    o pkg/ctrl
935      - fix computation of endrec in s/r ctrl_init_rec
936      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
937    o pkg/seaice/seaice_growth.F
938      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
939        remove then obsolete STORE directives
940      - fix STORE directives for tice and tices, so that only the
941        appropriate part of the fields are stored (and not the entire
942        field); update global_ocean.cs32x15.seaice AD output.
943      - cosmetic changes: adjust CPP flags and indentation for better
944        legibilty
945    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
946      Chris Wilson)
947    o pkg/gmredi:
948       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
949       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
950    
951    checkpoint63  (2011/07/11)
952    o pkg/exch2:
953     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
954     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
955       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
956       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
957    o pkg/diagnostics:
958     - deal with pairs of post-processed diags which are computed together; in
959       particular, re-order list of diags within 1 file to save 2nd computation.
960     - add S/R to compute velocity stream-function (called after velocity-potential
961       calculation) from divergence free transport -> new diagnostics "PsiVEL".
962     - add parameter to select grid-point location where PsiVEL == 0.
963    o eesupp/src:
964       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
965       (specific S/R needed with exch2 topology - for now, just print an error msg)
966    o pkg/shelfice
967     - Implement friction velocity-dependent transfer coefficients following
968       Holland and Jenkins, JPO, 1999
969       Original code by M. Losch with small modifs.
970       Enable with CPP option SHI_ALLOW_GAMMAFRICT
971       and runtime flag SHELFICEuseGammaFrict
972    o verification lab_sea & global_ocean.cs32x15:
973     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
974       does not miss some dependencies (but is slower) and also works with many files
975       (default makedepend limitation for AD built).
976     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
977    o pkg/diagnostics:
978     - add run-time parameter "useMissingValue" (def=False) to fill land-point
979        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
980       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
981     - Extend the use of "missing_value" setting from data.diagnostics for the case
982       of counter-diagnostics (where fraction-weight is zero). This applies both to
983       MNC and MDS output files.
984    o pkg/seaice/seaice_growth.F:
985      - add 'a priori' cap of latent heat flux based on actual mass considerations
986        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
987        non-legacy seaice_solve4temp.
988      - add diagnostic of the residual sublimation freshwater flux (the freshwater
989        flux taken from the ocean if the total actual latent heat fluxes exceed
990        the maximum)
991      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
992       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
993      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
994       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
995      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
996      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
997    o verification 1D_ocean_ice_column:
998       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
999       update results
1000    o pkg/diagnostics:
1001     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
1002       which are not filled-up but computed from other diags ; In this case, the mate
1003       diag points to the primary (filled-up) diag to used for post processing.
1004     - Update Velocity-potential computation using post-processed diag framework.
1005     ==> Change the ordering of fields and time-periods in MDS output file
1006       when using periodic averaging: now writes one time record with the full set
1007       of fields for this time period, then the next time reccord (it used to be
1008       one field with the full set of time records then the next field).
1009         Note: this is now similar to NetCDF (MNC) output file. <==
1010    
1011    checkpoint62z (2011/06/21)
1012    o adjoint monitor:
1013     - Add adjoint monitor output for packages exf, seaice
1014       and update relevant testreport output
1015    o pkg/seaice:
1016     - re-order diags inits so that they appear in order in available_diagnostics.log
1017     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
1018       area/heff/hsnow preceeding thermodynamic growth/melt.
1019     - modified diag: SIdA; output actual effect, as the description states.
1020     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
1021     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
1022       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
1023        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
1024     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
1025     - added diagnostics for seaice generic tracers (SItr*).
1026     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
1027     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
1028     I. Fenty: 18-Jun-2011:
1029     Minor changes to seaice package:
1030     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
1031        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
1032       - Differentiated "regularization variables" from "floor variables"
1033        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
1034        * hiceMin became SEAICE_hice_reg (old hiceMin)
1035          (with _reg meaning regularization variable)
1036       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
1037        so as to ensure energy conservation when going between phases
1038      - A22 was not used anywhere
1039     2) Changed regularization procedure for heffActual and hsnowActual to ensure
1040        well-boundedness and smooth adjoint in seaice_growth.F
1041     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
1042        because the old regularization always set heffActual >= 0.05 cm
1043     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
1044        on AREA when HEFF > 0.
1045      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
1046        requiring that DISABLE_AREA_FLOOR *not* be defined
1047     Affected verifications:
1048      - 1D_ocean_ice_column (output.txt output_adm.txt)
1049      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
1050    o pkg/diagnostics:
1051      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
1052      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
1053        (was _RL, now integer) with option = 0 to retrieve all levels.
1054      - add pieces of code to compute velocity potential at each level (new diagnostics
1055        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
1056        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
1057      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
1058        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
1059        and in diagnostics_fract_fill.F (do not need a valid pointer for the
1060        diagnostics counter-mate); check that definition of counter-diagnostic
1061        includes a valid counter-mate (in diagnostics_set_levels.F).
1062    o model/src (rStar):
1063      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
1064        affect solution only if z* with full pressure in EOS;
1065        update output of test-exp global_ocean.90x40x15.
1066    o pkg/seaice:
1067      - introduce siEps=1e-5 parameter
1068      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
1069      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
1070      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
1071        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
1072        as well as ice cover age and ridging index (attached to AREA).
1073        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
1074        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
1075        Up to SItrMaxNum=3 tracers can be used simultaneously.
1076    o pkg/salt_plume:
1077      -introduce SPsalFRAC run time parameter that sets the fraction of the
1078       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
1079       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
1080    o model debug options:
1081      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
1082        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
1083      - Refine debug-msg printing selection (3 new levels):
1084        debugMode  : controls printing of debug messages (sequence of S/R calls).
1085        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
1086         debLevZero =  0 ; /* level of disabled aux. msg printing */
1087         debLevA =  1 ; /* level of minimum  aux. msg printing */
1088         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
1089         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
1090         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
1091         debLevE =  5 ; /* level of extensive debug printing */
1092        New debugLevel default: with default debugMode value (=F),
1093          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
1094          and if debugMode=T, default debugLevel = 4 (debLevD).
1095        Relation with previous settings:
1096         debLevB (=2) corresponds to former debLevA (=1)
1097         debLevD (=4) corresponds to former debLevB (=2)
1098        Note:
1099         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
1100         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
1101            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
1102      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
1103        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
1104    o pkg/obcs:
1105      - change OBCSfixTopo default from True to False (should not change the results);
1106        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
1107    o pkg/thsice:
1108      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
1109        2nd layer seaice sublimation (unlikely to happen)
1110      - use Interior mask for OBCS in thsice_advection.F (similar to what is
1111        done in gad_advection & seaice_advection).
1112    o adjoint:
1113      bug fix spotted by Gael Forget:
1114      seaice_advection and thsice_advection still had
1115      legacy CPP options to avoid CS corner updates for adjoint
1116    o pkg/seaice:
1117      => Change some of the defaults (2011/05/29):
1118         - change SEAICEuseFluxForm default (from False to True)
1119         - change DIFF1 default (from 0.004 m/s to 0. m/s)
1120         And print warnings if DIFF1 is not set in data.seaice and centered
1121          avection scheme is used without any diffusion.
1122      also:
1123      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
1124      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
1125      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
1126        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
1127        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
1128      update results of test exp.:
1129         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
1130             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
1131             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
1132         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
1133         seaice_obcs: output (SEAICEuseFluxForm=T)
1134      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
1135          for standard fwd & AD lab_sea tests (to keep the same output).
1136    o pkg/seaice/seaice_growth.F:
1137      - use Ian Fenty's capping formulas for actual ice
1138      thickness thoughout EVOLUTION branch.
1139      - put treatment pathological case #2) in CPP brackets
1140      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
1141      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
1142    o pkg/seaice:
1143      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
1144      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
1145      also pass fac as a param, which can be 1. (to update the tendency
1146      field) or the time step (to update the field itself).
1147      - seaice_advdiff.F: for multidim, call seaice_diffusion with
1148      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
1149      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
1150      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
1151      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
1152    o pkg/seaice:
1153      diffusion with centered advection scheme (diffus.F & advect.F):
1154      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
1155        to just compute the laplacian of input-field.
1156      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
1157      - fix flux-form version in diffus.F to conserve tracer.
1158      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
1159       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
1160    
1161    checkpoint62y (2011/05/26)
1162    o pkg/seaice:
1163     - seaice_growth.F : in EVOLUTION branch, always include
1164       a_QSWbyATM_cover in qnet (as it should be).
1165     - verification/global_ocean.cs32x15 : update results accordingly
1166       (output.seaice.txt output_adm.seaice.txt).
1167    o pkg/seaice + obcs:
1168     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
1169       equivalent of assuming no tracer gradient outside the OB region.
1170       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
1171     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
1172       after changes above);
1173     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
1174       only at OB location (instead of over a band of OLx width).
1175    o pkg/seaice:
1176     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
1177       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
1178    o pkg/obcs:
1179      - split header file "OBCS.h" into 4 separated files:
1180        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
1181       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
1182         (contain no conditional statement which depends on OBCS options).
1183      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
1184        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
1185    o ctrl, cost, grdchk & autodiff pkgs:
1186      - make options file more standard (like other {PKG}_OPTIONS.h file but
1187        with AD_CONFIG.h); clean-up some of the included header files.
1188    o pkg/obcs:
1189      - do not mask tracer when applying OB (tracer == 0 could generate problems)
1190      - apply tracer OB values to tracer field only at OB location (instead of
1191        over a band of OLx width)
1192      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
1193      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
1194        obcs_apply_tloc.F & obcs_apply_sloc.F
1195    o obcs in model/src:
1196      - call OBCS_APPLY_W only if NonHydrostatic.
1197      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
1198      - reset dEtaHdt and wVel to zero outside OB interior region ;
1199      - leave tracer unchanged outside OB interior region: This has no effect
1200        on the solution but just to prevent unrealistic tracer value outside OB.
1201      - zero out velocity outside OB interior region: This has no effect on
1202        the solution but just to prevent unrealistic velocity outside OB.
1203    o obcs and non-lin free-surf:
1204       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
1205       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
1206       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
1207       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
1208       update results of test-exp. exp4(nlfs).
1209    o exp4 (nlfs) test-exp:
1210       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
1211       with NonLin-FreeSurf); update output.nlfs.txt
1212    o obcs and 2d/3d solver norm:
1213       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
1214       and outside OB interior region (will allow to place OB further inside the
1215       domain). Depending on the domain, can affects cg2d-Norm (previous
1216       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
1217       and cg3d-Norm (previous Norm was computed before canceling OB terms),
1218       e.g. in tutorial_plume_on_slope.
1219      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
1220    o pkg rbcs:
1221      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
1222      - add capability to apply relaxation to horizontal velocity uVel & vVel.
1223    o pkg/grdchk: add gradient check for control variable xx_shifwflx
1224    o pkg/shelfice/shelfice_init_fixed.F
1225      fix CPP-flag combinations
1226    o pkg/seaice: Merge iceage code of Pierre Rampal
1227      * update/change/correct ice age calculations
1228      * add age updates for pathological cases
1229      Probably needs more testing...
1230    
1231    checkpoint62x (2011/05/13)
1232    o pkg/mom_vecinv:
1233       high-order vorticity scheme: use interior masks (maskInW & S)
1234       to zero-out (outside OB) gradient of vorticity.
1235    o verification exp.:
1236       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
1237       hs94.128x64x5 and seaice_obcs ; update results.
1238    o pkg/obcs:
1239      fix bug in OBeta for YZ sections in obcs_exf_load.F
1240    o pkg/ctrl, pkg/shelfice, and optim:
1241      - add new control variable xx_shifwflx (fresh water flux underneath ice
1242        shelves). This is almost as tedious as obcs-ctrl, because the
1243        variables needs its own mask.
1244      - add a cost function term that penalizes the deviation of xx_shifwflx
1245        from the first guess (zero) in analogy to other control variables
1246    o pkg/shelfice:
1247      - start basic adjoint
1248    o pkg/ctrl:
1249      - remove extra 2D field "for good measure" when initializing in
1250        ctrl_set_globfld_[xy/xz/yz].F
1251      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
1252      - improve error messages in ctrl_set_unpack_*
1253    o OBC implementation in momentum:
1254       use interior masks (maskInC,W & S) in momentum S/R:
1255       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
1256       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
1257       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
1258       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
1259       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
1260        (and also with Leith/Smagorinsky harmonic-viscosity).
1261       Update output of experiment dome and exp4 (+nlfs).
1262    o exp4 test-exp:
1263      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
1264        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
1265        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
1266        time-varying OB at Western-side for wVel (NonHyd); update output.
1267      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
1268        and biharmonic-viscosity ; also use prescribed time varying OB.
1269    o pkg/obcs:
1270      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
1271    o model/src:
1272      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
1273      - initialise startTime & nIter0 with unlikely values: allows to set one
1274        from the other without ambiguity.
1275    o seaice_obcs test-exp.:
1276      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
1277    o pkg/obcs:
1278      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
1279        no longer needed with maskInC,W,S in pkg/generic_advdiff.
1280    o pkg/seaice:
1281      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
1282        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
1283      - fixed bug in the initialization of sea ice salinity variable HSALT
1284        in seaice_init_varia.F  (removed dependence on ICE2WATR)
1285    o fizhi-cs test exp.:
1286       switch reference output convention for these 2 non-standard test-exp,
1287        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
1288          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
1289       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
1290    o model/inc:
1291      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
1292        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
1293    o pkg/seaice:
1294      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
1295    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
1296      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
1297        and initial HSALT
1298    
1299    checkpoint62w (2011/04/26)
1300    o pkg/mom_fluxform:
1301      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
1302      - use parameter "sideDragFactor" in no-slip BC side-drag part.
1303      - update output of exp. global_ocean.90x40x15
1304    o pkg/mom_vecinv:
1305      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
1306    o update seaice exp.:
1307      use more consistent parameter values (remove "backward compatability only":
1308       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
1309      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
1310       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
1311    o update test-exp global_ocean.90x40x15:
1312      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
1313      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
1314      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
1315      o turn on zStar & viscA4 in standard set-up (dir input/)
1316        and update output files: output.txt & output.dwnslp.txt
1317    o new AD-test experiment: obcs_ctrl
1318      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
1319    o pkg/dic:
1320      fix two bugs in handling water vapour pressure in carbonate chemistry
1321      and air-sea fluxes. Found by Val Bennington and Galen McKinley
1322      (add DIC Option = WATERVAP_BUG to recover old results)
1323      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
1324    o adding allowInteriorFreezing option to check for water below freezing point
1325      at depth and bring the negative heat anomaly to the surface level
1326    o pkgs _fields_load:
1327      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
1328      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
1329        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
1330        rbcs to get interpolation weights and time reccord number.
1331      - fix multi-threading in aim_fields_load.F
1332      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
1333    o external_fields_load:
1334      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
1335       interpolation weights) to use in a periodic time-series ; do not divide by
1336       time-step to convert to integer:
1337       - this fixes case where externForcingPeriod is not multiple of time-step
1338          (Thanks to Christopher L. Wolfe)
1339       - this fixes case where externForcingPeriod is an odd multiple of time-step
1340         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
1341      store index of time-record which is currently loaded:
1342       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
1343       - needed for the adjoint but not yet used because of extensive recomputations;
1344         (to be fixed soon)
1345    
1346    checkpoint62v (2011/04/02)
1347    o verification/1D_ocean_ice_column added to test Ian Fenty's
1348      pkg/seaice_growth.F modifications for improving sea ice code differentiability
1349    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
1350      (new velocity statistics after changing maskInW & maskInS definition)
1351    o pkg/generic_advdiff with OBCS:
1352      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
1353      equivalent to assumption of no tracer gradient outside the OB region.
1354      This will affect the results if using obcs+biharmonic diffusion.
1355      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
1356    o pkg/obcs:
1357      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
1358      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
1359      in Interior region. No impact on solution but affects Velocity monitor stats.
1360    o pkg/ptracers (adjoint)
1361      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
1362      tape file for each tracer
1363    o model/inc/src and pkg/autodiff: add parameters that allow to turn
1364      of parts of the adjoint code at run time. For now, there are only
1365      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
1366      parameters are set in data.pkg.
1367      This is the lazy coward's version of doing this, but still useful for
1368      debugging. In order to do it right, everything needs to be moved to
1369      pkg/autodiff.
1370    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
1371      the end; this fixes the adjoint balancing code for open boundaries.
1372    o pkg/ctrl:
1373      - change behavior of xx_${varname}period to be analogous to exf-conventions:
1374        xx_${varname}period =   0.,  means time-independent control part
1375        xx_${varname}period = -12., means one-year-periodic monthly control part
1376      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
1377        clean up ctrl_init a little, remove unused variables
1378      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
1379      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
1380    
1381    checkpoint62u (2011/03/15)
1382    o model/src:
1383      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
1384        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
1385      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
1386        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
1387    o pkg/ctrl/obcs/ecco:
1388      - remove obsolete, unused, and partially broken code:
1389        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
1390        ALLOW_CTRL_OBCS_BALANCE
1391      - put a stop statement into ecco/cost_obcsvol.F, but also add
1392        cost_obcsvol to ecco_ad_diff.list
1393    o pkg/ecco: fix counting cost function contributions for obcs (code
1394      by Matt M.) and diffkr for diagnostics
1395    o pkg/ecco, pkg/ctrl, pkg/grdchk:
1396      add cost penalty terms for initial uvel, vvel, eta controls
1397      and I/O for prior error files
1398    o pkg/mdsio:
1399       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
1400       (new argument) to check for tiled file in mdsioLocalDir : this fix the
1401       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
1402    o pkg/ctrl:
1403     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
1404       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
1405       unused and superfluous variables
1406     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
1407    o pkg/ecco
1408     - enable adjoint of Stevens OB
1409    o pkg/ctrl/ecco/grdchk:
1410      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
1411        Fortunately, we do not have any tests for the numerous cpp-flagged
1412        option of "obcs as control parameters" so we will never know
1413        if this is an improvement (but at least now things compile).
1414      - remove an obsolete initialization from ecco_cost_init_barfiles.F
1415      - fix some problems within never used ifdefs to make the code compile
1416    o pkg/obcs:
1417     - Refine Interior mask definition to work with more complex OB (e.g.
1418       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
1419       read in Interior mask from file. Check if Interior mask is consistent
1420       with OB list of indices.
1421    o pkg/seaice
1422     - beginning code for a seaice tracer package,
1423       but currently only used for seaice age: SEAICE_AGE
1424       SEAICE_num = 4
1425       iTracer = 1: area-weighted ice age
1426               = 2: volume-weighted ice age
1427               = 3, 4: template for one-year vs. multi-year ice
1428       data.seaice has new namelist SEAICE_PARM03 for arrays related to
1429       SEAICE_num
1430    
1431    checkpoint62t (2011/03/05)
1432    o pkg/obcs:
1433     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
1434       then normal component. This ensures that the normal component is set
1435       correctly even when it conficts with tangential setting from an other OB.
1436       Affects results of test-experiment seaice_obcs: update the output.txt
1437    o pkg/obcs:
1438     - add code to monitor statistics of dynamical fields at OB.
1439     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
1440       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
1441       - change default: balance the Net inflow through all OB (instead of balancing
1442         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
1443     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
1444       to match Nortern OB inflow (OBCS_balanceFacN=0).
1445    o pkg/seaice:
1446     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
1447    o pkg/seaice (seaice_growth v 1.113):
1448     - reverting seaice_growth to v 1.111 in order to have code with exact bit
1449       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
1450       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
1451       runtime flag SEAICEareaFormula is kept but is inactive
1452    o model/src:
1453     - add new param to scale curvilinear grid distance and area when using
1454       a different sphere radius from the grid-files.
1455     - test/check multi-threads EXCH applied to local variable (cg2d_x)
1456    o adjoint:
1457     - enable adjoint of Stevens OB
1458     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
1459       (a bit delicate because of potentially modified adj. common block structure;
1460       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
1461    
1462    checkpoint62s (2011/02/15)
1463    o pkg/seaice (seaice_growth v 1.112):
1464     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
1465       computing the ice cover tendency from effective thickness tendencies. Include
1466       Ian Fenty's formula.
1467     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
1468       SEAICEareaFormula.
1469     - simplify notations for the various d_HEFF/d_AREA terms.
1470    o pkg/gmredi:
1471     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
1472       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
1473       add a verification test-run (front_relax.bvp) to test GM_useBVP.
1474    o pkg/seaice (seaice_growth v 1.111):
1475     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
1476     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
1477       also melt ice.
1478    o pkg/seaice:
1479     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
1480     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
1481    o pkg/cheapaml:
1482     - from Nico Wienders: New version of this package.
1483    o pkg/flt:
1484     - add CPP options to prevent floats to re-enter the opposite side of
1485       a periodic domain (default: keep periodicity)
1486    o pkg/gmredi:
1487     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
1488       (needed for multi-dim advection).
1489     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
1490    o model/src:
1491     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
1492    o tutorial_tracer_adjsens
1493     - extend to NLFS and replace maskC by hFacC
1494       (change reference output accordingly)
1495    
1496    checkpoint62r (2011/01/24)
1497    o testreport:
1498     - add option -deloutp (-do) to remove output file after successful run
1499     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
1500       extract exact list of procs from this file ; adjust COMMAND by
1501       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
1502    o pkg/ecco: replace old ineffective way of penalizing deviations from
1503      first guess (of obcs) with code by Matt Mazloff
1504    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
1505      exf/cal
1506      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
1507        and handle case of obcs?period == 0
1508        Not affected by these changes: There is still an inconsistency in
1509        the computation of start/endrec for the obcs variables for ALLOW_CAL
1510        defined (see comment by Menemenlis, 7-Mar-2003)
1511      - make S/R ctrl_get_gen_rec return something meaningful even if
1512        ALLOW_CAL is not defined
1513      - ctrl_getobcs?: simplify code so that it does not need to use
1514                       S/R exf_swapfields
1515    o testreport:
1516       allow to test MPI with different number of processors for each experiment:
1517       create file "SIZE.h.mpi" in each build dir.
1518       Note: update of "-command" argument not yet implemented.
1519    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
1520      alleviate the need for additional 3D tapes when using
1521      the non-inear free surface in the adjoint. This is done
1522      by adding an 'update' of hfacc etc. to their current
1523      value at the beginning of forward_step.F.
1524    o pkg/seaice
1525      seaice_lsr: move stress-divergence computations out of outer pseudo-
1526      timestepping loop
1527    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
1528      up, so that the calls of the ctrl_* subroutines are really at the end
1529      of the routine.
1530    o pkg/gmredi:
1531      allow to specify a 2-D horizontal map and a 1-D vertical profil
1532      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
1533    o pkg/seaice:
1534      move lsr iterations from seaice_dynsolver to seaice_lsr.
1535    o pkg/seaice:
1536      reduce memory footprint of seaice mutldim advection tapes,
1537      by using a 2D tape independent of the generic_advdiff ones,
1538      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
1539    
1540    checkpoint62q (2010/12/29)
1541    o model/src:
1542      - check horizontal grid-spacing for unset or zero/negative values.
1543      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
1544    o pkg/flt:
1545      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
1546      - precision of input and output files set according to readBinaryPrec
1547        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
1548      - initial float position from tiled file was not converted to index space
1549        (looks like a bug): fixed to make it similar to initial pos. global file.
1550    o global_ocean.cs32x15:
1551       change SIZE.h of AD set-up to get same tiling as with MPI.
1552       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
1553    o model/src:
1554       add flag to control printing of domain fields (bathymetry, hFac ...) in
1555       ini_mask_etc (call to plot_fieds_xy*).
1556    o pkg/thsice:
1557       if useEXF, some forcing fields are not valid in overlap: fixed by computing
1558       over the interior only + apply EXCH at the end (like with SEAICE advection).
1559    o pkg/mdsio:
1560      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
1561        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
1562      - change barrier call for safe multi-threads access to 3-D shared buffer.
1563      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
1564      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
1565        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
1566    o pkg/flt:
1567      - add fourth-order Runge-Kutta integration
1568      - add basic exch2 support (only 1 facet supported so far!)
1569    o pkg/mdsio+rw:
1570      new S/R to read local (or tile independent) vector (read counterpart of
1571       mds_writevec_loc, and front-end write_glvec_rl/rs).
1572    o global_ocean.cs32x15: additional input_ad.seaice experiment
1573        that uses pkg/seaice rather than pkg/thsice.
1574        (using multidim advection for seaice)
1575    o towards more F95 syntax for array specification in namelist:
1576      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
1577        of all verification experiments.
1578           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
1579          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
1580      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
1581    o global_ocean.cs32x15: additional input.seaice experiment
1582        that uses pkg/seaice rather than pkg/thsice.
1583    
1584    checkpoint62p (2010/12/17)
1585    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
1586        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
1587    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
1588        allow for use of multim. advection in seaice adjoint.
1589    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
1590      - first attempt to close budgets by taking into account the freshwater
1591        flux implied by the sublimation of snow and ice. So far only the
1592        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
1593        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
1594    o eesupp/src:
1595      new S/R with new option (NML_EXTENDED_F77) to change array specification
1596      from F95 standard to commonly accepted extended F77 form.
1597      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
1598      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
1599      for less tolerant f77 compiler (e.g., pgf77, g77).
1600    o globalFiles:
1601      commented out in parameter file "data" since it's not safe with MPI
1602      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
1603      in this case); no longer commented out in restart test (tst_2+2).
1604    o add adTapeDir to specify a special directory where adjoint tapes are
1605      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
1606      and cannot be used together with mdsioLocalDir.
1607    o nesting pkgs:
1608      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
1609      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
1610      - add parameter files + utils dir + output from short run on beagle.
1611    o pkg/seaice:
1612        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
1613    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
1614      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
1615    
1616    checkpoint62o (2010/11/25)
1617    o pkg/exf:
1618      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
1619    o pkg/seaice:
1620      - seaice_ocean_stress: split a loop for better vectorization of the
1621        adjoint code
1622      - seaice_growth.F: fix bug in conservation of freshwater connected to
1623        capping of heff, put contribution into d_HEFFbyNEG
1624      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
1625        by something more sensible (parameters that are what their name implies)
1626      - change some defaults, so that by default exf-parameters are used for
1627        things like rhoAir, cpAir,latent/sensible heat parameters, in order
1628        to reproduce the old results, many data.seaice now contain funny values
1629        for cpAir and latent heat of sublimation
1630    o packages_readparms.F: move exf_readparms up in line so that
1631        exf-parameters are visible for other packages (e.g. seaice)
1632    o debugMode & debugLevel=2:
1633      - differentiate between debugMode & debugLevel=2:
1634        debugMode: controls printing of debug messages (sequence of S/R calls).
1635        debugLevel: controls printing of algorithm intermediate results and stats.
1636      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
1637        => allows to print debug-stats without all sequence of call messages.
1638      - switch control of debug print from debugLevel to debugMode in many S/R.
1639    o pkg/obcs (obcs-sponge):
1640        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
1641        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
1642    o pkg/generic_advdiff:
1643      - record overlap minimum size for each advection scheme;
1644      - refine criteria on overlap minimum size;
1645      - check and stop (in gad_check) if overlap size is too small.
1646    o pkg/obcs:
1647      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
1648        once, in ptracers_implicit.F)
1649      - with seaice: remove test on empty file name in obcs_apply_seaice (always
1650        apply OB values when tile has OB)
1651    o model/src, coriolis setting:
1652      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
1653        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
1654        files (selectCoriMap=3) with any grid.
1655      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
1656    o pkg/seaice/seaice_growth.F:
1657        a few cosmetic changes that reduce the number of lines of code
1658    o pkg/obcs: add boundary conditions following Stevens (1990)
1659      - the code follows old MOM/NAOSIM code
1660      - so far it is only implemented for the eastern and western boundaries
1661        and NOT for pTracers
1662    o pkg/rbcs:
1663      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
1664        beginning of the first rbcs forcing period.
1665      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
1666        offline package, i.e., one file per time, labeled by iteration number;
1667        deltaTrbcs sets the timestep with which the data was generated;
1668        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
1669      - rbcsForcingCycle=0 makes forcing non-cyclic.
1670      - make arithmetic safe for negative times and odd forcing periods.
1671    
1672    checkpoint62n (2010/11/09)
1673    o pkg/seaice:
1674        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
1675    o pkg/obcs:
1676       New S/R to copy tracer value from the OB location to narrow band region
1677        (width = same as overlap) beyond the OB: preserve OB value (needed for
1678        high-order scheme) which were overwritten by EXCH call if in overlap
1679        region. Applied to theta, salt, ptracer and advected seaice variables.
1680       With seaice: use maskInC in similar way as in gad_advection.F,
1681        in seaice_advection.F and advect.F.
1682       Update output of experiment seaice_obcs and change exp4 to test OBCS with
1683        4th order Adv.Scheme. for pasive salt and ptracer.
1684    o tools/genmake2:
1685      - when looking for an optfile (not specified), only search for Fortran compiler
1686        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
1687      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
1688        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
1689      - set default for CPP to "cpp -traditional -P" (was the case without specifying
1690        an optfile, but otherwise default was just "cpp".
1691      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
1692      - when "CC" is not set in the optfile, look for possible C compiler
1693        (instead of just setting CC=cc)
1694      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
1695        => add a ".F" to ".o" rule for source files with no "#include" (such as
1696           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
1697      - move gfortran before g77 in list of possible Fortran compiler (consistent
1698        with reference compiler switch from g77 to gfortran)
1699    o pkg/seaice:
1700      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
1701        seaice_check that stops the model, when the CPP flag is used.
1702      o seaice_growth.F: make capping of ice volume conserving by returning the
1703        capped ice as freshwater to EmPmR. This does not change the verification
1704        experiments but will change runs where the capping is acutally active
1705    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
1706      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
1707         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
1708         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
1709    o tools/genmake2:
1710      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
1711      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
1712      - clean previous genmake log files before anything else.
1713      - change Makefile to remove testreport log files (*.tr_log) and genmake log
1714        files only with "CLEAN" target (instead of "Clean");
1715    o pkg/generic_advdiff:
1716      Change OBCS in multiDim advection (gad_advection.F):
1717       Use maskInC to prevent intermediate update of tracer-field in OB regions,
1718       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
1719       which were applying future time-step OB values.
1720      This way, all explicit calculations use current-time-step OB values
1721       (simpler and more consistent).
1722      Affects results when set-up uses time-varying OBC and multi-dim advection;
1723       update output of experiment seaice_obcs.
1724    o pkg/seaice:
1725      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
1726       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
1727         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
1728      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
1729       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
1730       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
1731    o pkg aim (2010/10/26):
1732      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
1733        formulation with obliquity, eccentricity, ... as run-time parameters,
1734      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
1735        upward shortwave radition at the surface (all-sky and clear-sky).
1736  o pkg/obcs:  o pkg/obcs:
1737    - writing sections with globalFiles=T does not work: switch to tiled-files    - writing sections with globalFiles=T does not work: switch to tiled-files
1738      when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).      when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
# Line 420  o tools/build_options: Line 2149  o tools/build_options:
2149      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
2150  o pkg/ecco  o pkg/ecco
2151    - allow user defined cost function contributions    - allow user defined cost function contributions
2152          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
2153          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
2154    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
2155        the two options are complementary.        the two options are complementary.
2156  o pkg/smooth  o pkg/smooth

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