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revision 1.1675 by heimbach, Mon Jun 25 19:25:41 2012 UTC revision 1.1827 by jmc, Sun Feb 17 23:10:07 2013 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint64d (2013/02/17)
8    o pkg/monitor (angular momentum):
9      - do not add Eta contribution to the total AM if using rigid-lid;
10      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
11      - horizontal discretisation: compute Zonal wind contribution separately for
12        each component (instead of from cell centered averaged) and use the 4
13        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
14      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
15        FreeSurf) if using vectorInvariant momentum.
16    o model/src (horizontal grid):
17      - move initialisation of all horizontal grid arrays to null value
18        from specific horizontal grid S/R to main S/R INI_GRID;
19      - add 2 new arrays to project model C-grid velocity on to zonal direction
20        (similar to AngleCosC & -AngleSinC but at U and V point location) and
21        compute them in S/R CALC_GRID_ANGLES.
22    o pkg/seaice: replace a hard coded parameter by a runtime parameter
23        SEAICE_JFNK_tolIter
24    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
25        preconditioner for JFNK (run LSR into the overlaps as far as possible,
26        i.e OLx/y-2, but overwrite the solution in the overlaps)
27      - extend loop range in seaice_calc_viscosity
28      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
29      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
30      - slightly modify loops in tridiagonal solver lsr-preconditioner
31      - by default remove the extra exchange in seaice_preconditioner with a
32        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
33      - modify offline_exf_seaice so that old results without RAS are reproduced
34        for output.dyn_jfnk.txt
35      in seaice_fgmres.F (unrelated to RAS)
36      - add a cpp-flag option for a re-ordered mapping (potentially more
37        efficient), but because this changes the results, turn it off by
38        default
39      - replace the save statement by local common blocks
40    o utils/matlab:
41      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
42      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
43        instead of local script "load_cs.m".
44    o pkg/seaice:
45      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
46        to the scalarProductMetric and the unrolling. By chance this does not
47        change the verification experiment, because of the particular domain
48        decomposition
49    o pkg/diagnostics:
50      - change default missing_value from UNSET_RL to -999.
51    o pkg/layers: improve vectorization of layers_fluxcalc.F
52      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
53        time spent in this routine by more than a factor of 3 on an NEC-SX8
54      - step 2: replace search algorithm by a bisection algorithm found in
55        Press et al. Numerical Recipes in Fortran. This algorithm can be
56        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
57        For now, use this algorithm only for TARGET_NEC_SX defined.
58      - moved the search algorithm into a separate subroutine, that is kept
59        within the same file for automatic inlining.
60      - modified catching potential errors
61    o pkg/ecco:
62      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
63    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
64      - modifications for ALLOW_GENTIM2D_CONTROL
65      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
66      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
67      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
68      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
69    o model/src:
70      - account for moist thermodynamics in (dry) potential temperature equation;
71        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
72        and cpl_aim+ocn.
73      - also switch to standard compiler (gfortran, was using ifort previously)
74        for fizhi-cs experiments reference output.
75    o pkg/ctrl:
76      - 1st step toward generic time-varying control variable (2D) via CPP option
77        ALLOW_GENTIM2D_CONTROL
78      - note new namelist ctrl_nml_genarr in data.ctrl
79    o verification/global_ocean.cs32x15:
80      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
81        thsice calling sequence and update "output.icedyn.txt" output file.
82    o pkg/ptracers:
83      - from Ryan A.: code to allow to restart a tracer at regular time interval
84        specifying a reset frequency and a reset-phase (for each tracers).
85    o pkg/thsice:
86      - implement new sequence of calls for thsice+seaice:
87          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
88          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
89      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
90        in CPP_OPTIONS.h) to recover old sequence;
91      - update diagnostics for Intermediate State thsice diagnostics: now filled
92        just before advection (instead of just after advection in old sequence);
93      - update output of experiment offline_exf_seaice (standard test);
94      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
95        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
96    o pkg/aim_v23:
97      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
98      - use standard pkg/mdsio routines to read & write CO2 pickup file;
99      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
100      - Implement new sequence of calls for seaice advection (with thsice and
101        seaice diffusion): do ice advection after ice-Thermodynamic (previously
102        was done before); change aim_do_physics.F (split the bi,bj loops block);
103      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
104    o pkg/thsice:
105      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
106        where just seaice diffusion is used without seaice-dynamics.
107    
108    checkpoint64c (2013/01/18)
109    o pkg/seaice:
110      - add a parameter JFNKres_tFac that can replace JFNKres_t
111        (= JFNKres_tFac*JFNKresidual before JFNK solver)
112      - add a line search option to the JFNK solver
113      - move update of u/vIce and computation of initial residual into a separate
114        routine (same file); makes the code a little easier to read (?)
115      - the line search requires computation of the residual and for some reason
116        I cannot do the update of u/vIce at the beginning of the Newton loop
117        without changing the results, so we move computation of the new residual
118        also to the end of the Newton loop, even without the line search
119    o pkg/mdsio:
120      - write missing value (corresponding to undefined array value) to meta files;
121        skip this if missing value is one (UNSET_RL would be a better value for the
122        case of undefined missing value but it's current the default missing-value);
123        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
124    o pkg/exf & thsice:
125      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
126        diagnostics) even when SHORTWAVE_HEATING is #undef;
127    o verification/cfc_example:
128      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
129        illustrate how to use it).
130    o verification/offline_exf_seaice:
131      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
132        files to only one time-record.
133      in input.thermo: narrow the 2 bands of low initial ice-concentration near
134        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
135        snapshot output; same mcPheePiston value as in thsice with
136        surf-current=0.2m/s.
137      in input.thsice: similar set-up as in input.thermo (channel with same seaice
138        initial conditions).
139    o verification/cfc_example:
140      - update file "data" with more standard choice (default rotationPeriod,
141        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
142        set deltaTFreeSurf to deltaTtracer) and update the output.
143    o pkg/layers:
144      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
145      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
146    o verification/offline_exf_seaice:
147      - set all {field}period to zero for constant-in-time forcing (not tested
148        anywhere else).
149    o verification/offline_exf_seaice:
150      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
151      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
152    o model/src:
153      - implement Finite-Volume method for (hydrostatic) presure gradient
154        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
155    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
156      - In order to be compatible with the default EVP code, this requires changing
157        the EVP code around a little; and because any small change immediately
158        breaks the lab_sea.hb87 verification experiment, the reference output is
159        updated two times (each time the remaining aggrement was only 2 digits):
160        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
161        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
162        The adjoint test lab_sea.evp also needed to be updated.
163      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
164        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
165        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
166        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
167        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
168        kept obscure, because I need to test it a little more.
169    o pkg/cheapaml:
170      - fix few incorrect type (_RL/_RS) in subroutine calls.
171    o pkg/seaice:
172      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
173        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
174    o model/src:
175      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
176        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
177        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
178    o pkg/cheapaml:
179      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
180        update output of experiment cheapAML_box.
181      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
182        and set them only in one place (cheapaml_readparms.F).
183      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
184      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
185        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
186    o model/src/the_main_loop.F:
187      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
188    o pkg/seaice:
189      - remove legacy branch code.
190      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
191    o verification/*/code*/SEAICE_OPTIONS.h:
192      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
193        SEAICE_CAP_HEFF).
194    o pkg/cheapaml:
195      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
196        to load new forcing fields.
197      - add missing "_d 0" where it's needed; + some editing (improve indentation).
198      - remove switch to "-r8" compiler option (no longer needed) in verification
199        cheapAML_box, keep same output (small trucation error differences).
200    o verification/offline_exf_seaice:
201      - add thermodynamics only test.
202    o verification/cheapAML_box:
203      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
204        keep same output (same 14 digits for cg2d).
205      - switch on "-r8" compiler option (some numerical values are missing
206        the "_d 0") and update output (only 6 digits for cg2d were preserved).
207    
208    checkpoint64b (2012/12/24)
209    o pkg/cheapaml:
210      - remove un-used variables (Qnet,EmPmR) from pickup files.
211      - store tendency of advected variables into cheapaml pickup file
212        and fix the AB-2 restart.
213    o verification/offline_exf_seaice and lab_sea adjoint:
214      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
215      - switch to 4 time steps in offline, consistent with lab_sea.
216      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
217      - update results after change of experiment seaice.
218    o pkg/seaice:
219      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
220        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
221        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
222        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
223    o model/src:
224      - add run-time parameter to select CG2D solver minimum-residual solution
225        (in case of a poor convergence).
226    o pkg/seaice/seaice_lsr.F
227      - move calculation of matrix coefficients into new
228        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
229        file; the main purpose of this change is to be able to reuse the code
230        in S/R SEAICE_PRECONDITIONER
231      - modify the computation of the residual so that the mass of sea-ice
232        is not used twice; this simplifies the calculations, but since
233        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
234        not tested in testreport---this does not affect the testreport results.
235    o verification/seaice_obcs:
236      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
237        verification/lab_sea/input.salt_plume; changes results/output.txt*
238    o model/src:
239      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
240    o pkg/seaice:
241      - improve description of parameters in seaice_fgmres.F and start
242        cleaning up the code
243      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
244        second argument
245      - add a metric based on grid cell area to SEAICE_SCALPROD; update
246        results of offline_exf_seaice.dyn_jfnk
247      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
248    o pkg/aim_v23:
249      - fix an other bug in dissipation heating (grid-cell area was missing).
250    o model/src + pkg/seaice:
251      - add global (multi-tile) linear solver for pair of tri-diagonal system
252        along X and Y lines, respectively for U and V component.
253        Note: 1) MPI and cube-exchange not yet coded.
254            2) probably not accurate for poorly conditioned / large size problem.
255      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
256        default: not compiled and not used.
257    o pkg/seaice:
258      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
259        introduce bi/bj loops and use global_sum_tile_rl instead of
260        mpi_allreduce in seaice_fgmres.F
261      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
262      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
263      - add a verification experiment for JFNK in offline_exf_seaice
264    o verification:
265      - change (for now, only fwd test) offline_exf_seaice experiment:
266        use a re-entrant channel with idealized coastline (trapezoidal shape)
267        at southern boundary to explore seaice dynamics and thermodynamics
268        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
269        secondary test (input.thsice) use thermodynamics only with SST relaxation.
270      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
271    o pkg/exf:
272      - disable "sstExtrapol" when Nr=1
273    o verification:
274      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
275        to test pkg/cheapaml.
276    o pkg/aim_v23 & pkg/shap_filt:
277      - fix dissipation heating (erroneous gravity multiplication factor).
278    o pkg/seaice:
279      - remove unused field pressPre from jfnk solver
280      - rename two subroutines in seaice_preconditioner.F
281    o eesupp/src:
282       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
283    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
284       - remove wrong parts of the rhs and the lhs (were in there
285         because I did not understand the concept of this preconditioner)
286       - add an exchange between u- and v-sweep. This increases communication
287         by a factor of two but improves the convergence of jfnk. Ideally,
288         one would like the u- and v-sweep to be independent. So far within
289         undocumented ifdefs
290       - reorganize the extra computations for printing the residuals
291    o tools/genmake2:
292      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
293        since it's not necessary (and was preventing to use MNC in some cases).
294    
295    checkpoint64a (2012/11/16)
296    o pkg/autodiff:
297      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
298        autodiff_readparms.F no longer depends on calling order (within
299        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
300        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
301        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
302    o pkg/obcs:
303      - adding tidal velocity forcing capability to obcs
304        for usage example, see verification/seaice_obcs/input.tides
305    o pkg/seaice:
306      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
307        SEAICE_LSRrelaxU/V
308      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
309    o pkg/aim_v23:
310      - implement heating from friction (bottom friction and stratospheric drag).
311    o pkg/shap_filt:
312      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
313        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
314    o model/src:
315      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
316        time-constant addMass field from file (addMassFile);
317      - support for heating due to friction (and Kinetic Energy dissipation):
318        add option, run-time switch and 3-D field array + support code ; each pkg
319        or S/R can add heating contribution (if there is a sink of KE); the sum is
320        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
321    o pkg/seaice:
322      - complete merge of ITD code into seaice_growth.F
323        from MITgcm_contrib/torge/itd/code/
324        no verification so far, but Torge Martin tested
325        "1-D test case and Beaufort set up;
326        deliver okay results after 1 model year."
327      - complete merge of SEAICE_SIZE.h into all relevant routines
328      - move computation of eta at Z-points into calc_viscosities
329        + introduce global field etaZ
330        + add different methods for computing etaZ, for now the old
331          method (simple averages of eta to Z-points) is hardwired
332        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
333          seaice_preconditioner
334      - simplify computations for SEAICE_ZETA_SMOOTHREG
335      - seaice_preconditioner:
336        + replace one remaining press by pressLoc (mistake)
337        + adjust printing of residuals
338      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
339        + add (SEAICE.h) and rename some counters (initiliased in
340          seaice_init_fixed.F)
341        + add _BEGIN/END_MASTER (myThid)  around print statements
342        + print total number of iterations and failures over SEAICE_monFreq
343          interval to STDOUT
344      - move control over output-messages by fgmres to seaice_jfnk to save
345        some operations
346      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
347        in order to make restarts with sol .ne. zero (fgmres with restarts)
348        (seaice_jfnk.F, seaice_fgmres.F)
349      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
350        a serious convergence problem when open boundaries are involved
351    o pkg/ggl90: fix computation of control volumes for the case of
352      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
353      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
354    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
355    o pkg/autodiff
356      - Add inAdMode switch for SEAICEuseDYNAMICS:
357        SEAICEuseDYNAMICSinAdMode
358        (extend logic in ADAUTODIFF_INADMODE_SET)
359    o pkg/seaice
360      - Step 1 of merging ice-thickness distribution (ITD) code from
361        MITgcm_contrib/torge/itd/ (author: Torge Martin)
362        The code implements concept laid out in Thorndike et al. (1975);
363        code is enabled via CPP flag SEAICE_ITD
364        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
365        code is not complete yet!!
366      - SEAICE_SIZE.h now included in almost all seaice routines
367    o verification (using seaice):
368      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
369        global_ocean.cs32x15.seaice ; update results.
370      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
371      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
372        offline_exf_seaice (previously compiling B-grid).
373    o pkg/exf:
374      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
375        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
376        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
377    o pkg/layers (adjust changes from Sept 19):
378      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
379        this allows to remove "layers_maxNum" dimension from all layers arrays.
380    o pkg/layers (adjust changes from Sept 19):
381      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
382      - snap-shot extended to all type of layers (not just the 1rst type);
383      - remove layers variables when corresponding CPP option is undef.
384    o pkg/layers:
385      - rename pkg/layers variable and add new output (layer exist & un-weighted
386        velocity in layer)
387    o pkg/seaice:
388      - simplify (?) ocean-drag coefficent computations by using
389        the same routine in all three solvers (saves some code lines)
390      - remove global fields DRAGA and DRAGS from C-grid code and
391        declare them locally in lsr.F (the only place where they are
392        still used)
393      - update AD output of lab_sea.evp (very sensitive anyway).
394    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
395      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
396      and SEAICEuseJFNK=.true. A few things to note:
397      - involves a FGMRES, that is parallel but very inefficient,
398        because of many scalar products (global sums) in the Gram-Schmidt
399        orthogonalization method. Needs to be replaced. Original code
400        from J.-F. Lemieux
401      - preconditioner for FGMRES is a stripped down version of LSOR
402      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
403        preconditioner. For the preconditioner, the default is set to 10.
404      - Jacobian times vector is computed with finite differences
405      - marginally related to JFNK-solver: add a smooth regularization for
406        zeta with tanh that will improve convergence (Lemieux and Tremblay,
407        2009) for any implicit solver (not implemented for EVP because EVP
408        does not need this regularization in the first place). Define
409        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
410    o eesupp/src:
411      - check in genmake2 that intrinsic S/R flush is available.
412      - add S/R to flush IO unit (if intrinsic S/R flush is available)
413      - flush standard & error msg unit before MPI termination
414      - if debugMode, flush IO unit after printing msg
415    o pkg/ctrl:
416      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
417        to ctrl_set_unpack_xyz.
418    
419    checkpoint64 (2012/10/09)
420    o pkg/shelfice
421      - in mom_fluxform.F, mom_vecinv.F:
422        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
423        Bug fix KappaRU -> KappaRV
424        does not change verification/isomip but may change other setups
425        (presumably constant KappaRU=KappaRV)
426      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
427    o pkg/obcs:
428      - fixed some indexing bugs in obcs_seaice_sponge.F
429      - added obcs relaxation subroutines for HSALT and HSNOW
430      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
431    o pkg/seaice:
432      - add "multicategory" parameterization for snow in analogy to ice,
433        default is off for now.
434    o pkg/obcs:
435      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
436        see verification/seaice_obcs/input.seaiceSponge for example application.
437      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
438        index setting by master-thread. This fix multi-threads Pb in previous modifs.
439    o pkg/layers :
440      - add diagnostics to pkg/layers
441      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
442        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
443    o pkg/generic_advdiff/gad_implicit_r.F :
444      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
445    o pkg/seaice/seaice_growth.F:
446      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
447    o pkg/obcs:
448      - change default setting of OBCS_UVICE_OLD from defined to undef;
449      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
450        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
451      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
452      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
453        with Southern & Western OB at a tile edge (at least in a simple set-up).
454    o pkg/obcs:
455      - change settings of OB index in case OB coincides with tile edge (shared by
456        2 tiles), so that common OB location is registered by both tiles (instead of
457        only 1). However, for Southern and Western OB, index value = 0 is not
458        recognized as valid OB index (=default null value) and needs to be fixed.
459      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
460      - new parameter "OB_indexNone" for null index value (for now, still zero)
461        to replace hard-coded null index value of zero.
462    o pkg/exch2:
463      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
464        always check buffer-size (but outside the loop); move checking for valid
465        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
466        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
467    o pkg/ctrl (pack & unpack):
468      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
469        (locally defined) for different variables (+ remove the variable-specific
470        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
471        (to be extended to other local file names in ctrl.h).
472    o pkg/flt:
473      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
474    o pkg/mdsio:
475      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
476    o tools/genmake2:
477      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
478        (added by Alistair in version 1.51 for building without make depend);
479      - remove Header files list (H_SRC_FILES) from the dependence of targets
480         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
481        place in version 1.23): this save going through staf when unrelated header
482        file has been modified.
483       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
484        "make depend" step, still need to do "make links" before "make adtaf".
485    o eesupp/src (+ few pkg src files) & genmake2:
486      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
487      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
488      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
489         upper/lower case ; account for space between "#" and undef/define)
490    o pkg/flt (with exch2):
491      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
492      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
493    
494    checkpoint63s (2012/09/05)
495    o pkg/ecco:
496      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
497      - add more relevant #ifdef ALLOW_SMOOTH ones.
498      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
499    o pkg/ctrl:
500      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
501        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
502      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
503        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
504        ctrlSmoothCorrel3D (new).
505        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
506      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
507      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
508        controls when useAtmWind, and vice versa.
509      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
510      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
511          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
512      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
513          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
514      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
515        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
516    o pkg/smooth:
517      - remove un-necessary includes.
518      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
519        Those CPP options were never defined, and not necessary.
520    o model/src:
521      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
522      - standard treatment of useSMOOTH.
523    o pkg/autodiff:
524      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
525        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
526    o pkg/exch2:
527      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
528        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
529      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
530        and tiles to process mapping.
531      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
532        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
533        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
534        from w2_eeboot.F to w2_readparms.F.
535    o eesupp/src:
536      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
537        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
538        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
539      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
540        is defined (remove condition on usingMPI) to match cases where MPI_INIT
541        has been called.
542      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
543      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
544        (so that on 1 proc, get same myPid independently of usingMPI)
545      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
546        useCubedSphereExchange with EXCH-1 (safer).
547      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
548    o pkg/ggl90:
549      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
550        used in ALLOW_GGL90_SMOOTH code.
551    o pkg/flt:
552      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
553        floats at the Southern end of the domain).
554    o eesupp/inc:
555      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
556        but not used (and not to be used) anywhere, just for documentation.
557    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
558      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
559        a) can damage previously written records in any other multi-record files.
560        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
561    o tools/genmake2:
562      - define variable MAKE within Makefile and use it in place of 'make';
563      - update AD_CONFIG.h (if needed) before building any of the executable
564        (forward, adjoint or tangent-lin); this involves a 2nd invocation of make;
565        and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
566      - always print usual warning comment 'this file is automatically generated'
567        from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
568    o pkg/cheapaml:
569      - updated to correspond to the code used in accepted paper (Nico Wienders).
570    o pkg/exf:
571        added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
572        ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)
573        and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).
574    o pkg/exf, autodiff, ctrl, ecco and seaice:
575        remove ALLOW_ATM_WIND brackets, or replace them with useAtmWind ones.
576    o pkg/ctrl, ecco:
577        allow to compile both ALLOW_U/VSTRESS_CONTROL and ALLOW_U/VWIND_CONTROL.
578        Depending on useAtmWind, one is inactive, and the other is active (see
579        exf_getffields.F/exf_getsurfacefluxes.F).
580    o tools/genmake2:
581      - improve error msg when failing in 2nd test of check_for_broken_Ff
582      - fix option '-makefile' short-name (-mf according to genmake2 -help)
583      - source local config file "genmake_local" just after processing the genmake2
584        command arguments (previously done before processing arg).
585    o pkg/grdchk:
586      - add a call to TURNOFF_MODEL_IO for Tangent-Linear run (in this case, call
587        to this routine from cost_final has been dropped in g_cost_final)
588      - improve printed information (more explicit msg, no longer using "print *,"
589         fix fcpertminus printed value).
590    o model/src:
591      - move call to COST_INIT_VARIA out of packages_init_variables.F directly
592        into initialise_varia.F (just after calling PACKAGES_INIT_VARIABLES):
593        this prevents getting cost-funct reset in adinitialise_varia recomputations.
594    o pkg/dic:
595      - move initialisation of "freefe" array from from dic_biotic_forcing.F to
596        fe_chem.F: this prevents TAF from dropping this initialisation in TLM code.
597    o pkg/grdchk:
598      - grdchk_main.F : added CALL GLOBAL_SUM_INT( ierr , myThid )
599      - grdchk_getadxx.F etc. : omit I/O if ierr.EQ.0
600    o pkg/autodiff/ctrl/grdchk :
601      - attempt to sort out what works and what does not,
602        with regard to I/O, and to warn/stop accordingly.
603    o pkg/grdchk:
604      - attempt to fix grdchk in the case of useSingleCpuIO.
605      - "if ( myProcId .EQ. grdchkwhichproc .AND. ierr .EQ. 0 )"
606       statements were moved from grdchk_main.F and into
607       grdchk_getadxx.F grdchk_getxx.F grdchk_setxx.F.
608      - a global sum is applied to record numbers icvrec/layer
609       out of grdchk_loc so that they be passed to I/O routines.
610    o pkg/smooth:
611      - fix recomputation that appeared with nlfs : use smooth_recip_hFacC,
612        smooth_hFacW, smooth_hFacS (copied at init_fixed) in 3d case.
613    o verification/testreport:
614      - add option '-tlm' for Tangent-Linear test (-adm,-oad,-tlm are all exclusive);
615      - can also use compressed (gzip) reference output file;
616      - change format (in pkg/grdchk) of TLM output (+ add forward gradient)
617        to be easier to collect by testreport.
618      - update existing TLM output (half out-of-date by more than 3 yrs).
619      - report NETCDF & LAPACK settings (from genmake2) in output dir.
620      - report run-time in each individual summary (previously only for AD test);
621        for TLM test, add also TAF version.
622      - add daily TLM test on (old) aces cluster + weekly test on baudelaire.
623    
624    checkpoint63r (2012/08/15)
625    o tools/genmake2:
626      - fix Makefile for target ftlall (+ update files to clean after make ftlall)
627    o pkg/ecco/ecco_cost_final.F :
628      - fix fc print statements (to stdout and costfunction0000) so
629        that the printed value is always after the global sum.
630    o pkg/seaice/seaice_dynsolver.F :
631      - fix ice strength assymptote at SEAICE_area_max<1
632        (no change for the standard case of SEAICE_area_max=1)
633    o some cleaning:
634      - pkg source files: ensure that all *.F files from each pkg included the
635        corresponding ${PKG}_OPTIONS.h file (except stand-alone src file which
636        only includes CPP_EEOPTIONS.h); fix S/R CTRL_SMOOTH ; update AD experiment
637        code_ad/*.F src files; add new option-file in pkg/admtlm + corresponding
638        includes;
639      - model/src: add PACKAGES_CONFIG.h wherever ALLOW_AUTODIFF[_TAMC] is used.
640      - ALLOW_DIFFKR_CONTROL: add a stop in S/R CTRL_CHECK in case ALLOW_3D_DIFFKR
641        is undef; also define /DYNVARS_DIFFKR/ common block in DYNVARS.h when
642        ALLOW_DIFFKR_CONTROL is defined, to allow to compile and reach this stop.
643      - update option-file CPP_OPTIONS.h of all AD experiments:
644        * no longer include PACKAGES_CONFIG.h ;
645        * includes ECCO_CPPOPTIONS.h if PACKAGES_CONFIG.h has been included ;
646        * def/undef ALLOW_3D_DIFFKR independently of ALLOW_DIFFKR_CONTROL (before
647          including ECCO_CPPOPTIONS.h).
648    o pkg/cost, pkg/ctrl, pkg/ecco option-file:
649      - clean-up and split content of old pkg/ecco/ECCO_CPPOPTIONS.h file into
650        separated pkg option-file (done according to old doc from ECCO_CPPOPTIONS.h,
651        not necessary accurate).
652      - add a template for option-file ECCO_CPPOPTIONS.h, mostly empty, in
653        pkg/autodiff, i.e., the 1rst pkg to compile for adjoint built, with lines to
654        deliberately break compilation (a remainder that it needs to be customized)
655      - in pkg/ecco, includes ECCO_OPTIONS.h instead of COST_OPTIONS.h
656      - rename COST_CPPOPTIONS.h to COST_OPTIONS.h
657      - rename CTRL_CPPOPTIONS.h to CTRL_OPTIONS.h
658    o tools/genamke2:
659      - check for lapack.
660    o pkg/cost and pkg/ecco : attempt to sort out some of the limiting intricacies.
661      - pkg/cost.cost_final.F : allow for use of pkg/ecco and pkg/cost cost functions
662        jointly. The exclusive ifdefs were removed, to add costs terms (when defined)
663        from both packages.
664      - the fc global sum in pkg/ecco/ecco_cost_final.F was removed accordingly.
665      - for objf_atl we use either the pkg/ecco or the pkg/cost term depending on CPPs.
666      - pkg/ecco and model/src : add CPP brackets around pkg/cost and pkg/ctrl includes
667        of "CTRL_SIZE.h" "ctrl.h" "ctrl_dummy.h" "optim.h" / "cost.h" accordingly.
668    o pkg/cost : add comments to explain special and/or untested setups.
669    o pkg/exf:
670      - use EXF_OPTIONS.h to set pkg/exf options except if done in ECCO_CPPOPTIONS.h
671        (previously, ALLOW_AUTODIFF_TAMC was controling this switch).
672    o verification/*/code_ad:
673      mimimal cleaning of AD experiments ECCO_CPPOPTIONS.h option-file:
674      - reccord when this file is included (define ECCO_CPPOPTIONS_H)
675      - remove the most obvious obsolete features (e.g., #define ALLOW_COST not
676        allowed since Oct 2003 in any option-file except in PACKAGES_CONFIG.h)
677    o pkg/seaice :
678      - added possibility to change ice strength/PRESS0 relationship to
679        HEFF, according to the following run time parameters
680        SEAICEpresPow0 :: HEFF exponent for ice strength below SEAICEpresH0 (integer, >0)
681        SEAICEpresPow1 :: HEFF exponent for ice strength above SEAICEpresH0 (integer, >0)
682        SEAICEpresH0   :: HEFF threshold for ice strength            (m)
683    o pkg/ggl90 :
684      - added run time flag mxlSurfFlag to include the code that ensure
685        mixing between first and second level (previously included as a comment)
686    o verification/1D_ocean_ice_column/input_ad/data.autodiff :
687      - add test of newly added dumpAdByRec=T option where
688        we write all records to one file per variable.
689    o verification/global_ocean.cs32x15/code_ad/CPP_OPTIONS.h :
690      - switch to #define ALLOW_BALANCE_RELAX and ALLOW_BALANCE_FLUXES
691        to check that this code is ok with taf and compiles in adjoint.
692    o pkg/autodiff :
693      - added run time param dumpAdByRec : ad dump format switch.
694        If true then write all records to one file per variable.
695        Else write one file per record (remains the default).
696      - revise seaice_ad_dump.F and exf_adjoint_snapshots_ad.F accordingly.
697    o pkg/seaice:
698     - Added SEAICEuseTILT run time switch : if set to
699       false then omit the tilt term in seaice dynamics.
700     - Fix free drift calculation.
701    o pkg/shelfice:
702      When initializing SHELFICEDragQuadratic, set default to be
703      consistent with shiCdrag in case SHELFICEuseGammaFrict is used,
704      but retain option to set it independently
705      (inconsistenty spotted by Veronique Dansereau)
706    o eesupp/inc:
707      - in EEPARAMS.h, add real-type constant for some frequently used simple number
708         (0,1,2,1/2), with name explicitly referring to RS/RL type.
709    o model/src:
710      - move balancing of relaxation terms to new S/R balance_relax.F.
711    o pkg/autodiff:
712      re-write active I/O high-level (control) S/R:
713      - rename  S/R ACTIVE_READ/WRITE_RL to ACTIVE_READ/WRITE_3D_RL
714      - add 1 more argument (useCurrentDir) to replace the "_LOC" 2nd set of S/R.
715      - use standard pkg/mdsio I/O routines (MDS_READ/WRITE_SEC_XZ/YZ  and
716        MDS_READ/WRITE_FIELD); change loops to multi-threads.
717      - update and merge active_file_control_slice.flow into active_file_control.flow
718      - update the calls in lower level S/R (active_file.F, active_file_g.F and
719        active_file_ad.F) keeping the argument list and function unchanged.
720      - also update lower-level "_LOC" version (call same S/R with "useCurrentDir
721        =.TRUE.") and remove high-level (control) _loc version (not called anymore).
722      - new low-level active I/O routines, one for each type (RL/RS), for active var
723        of various (XY,XZ,YZ) shape and level number (arguments: arrShape, myNr);
724        fix ctrl_init_wet.F & ecco_cost_weights.F by calling the new S/R with the
725        right type.
726    o autodiff and RS=real*4:
727      - call the right type (_RS instead of _RL) of S/R in few output S/R (pkg/exf
728        ad-monitor and snapshots); disable arrType='RS' in mdsio_gl*.F ;
729      - change argument type of 3-D mask argument to _RS to match type in the call
730        (in seaice_cost*.F, ctrl_*_gen.F and *ctrl_bound.F); to be continued.
731    o pkg/thsice:
732      - re-anable balanceEmPmR when useSEAICE=T with useThSIce=T.
733      - option to correct ocean fresh-water flux for imbalance of Atmos+Land
734        fresh-water flux: uniform correction or proportional to local precip.
735    o pkg/ctrl:
736      - new header file CTRL_SIZE.h for parameters maxCtrlArr2D, maxCtrlArr3D
737      - redefine CPP option ALLOW_BOTTOMDRAG_CONTROL to
738                            ALLOW_BOTTOMDRAG_CONTROL_NONGENERIC
739      - verification/hs94.1x64x5/ tests ALLOW_GENARR{2D,3D}_CONTROL
740    
741    checkpoint63q (2012/07/30)
742    o pkg/autodiff:
743      note about monitor and snap-shot of ad-variables:
744      a) need to apply ADEXCH before monitor or output of ad-vars to include
745       overlap contributions (was done for adjDump but missing for monitor).
746      b) since ADEXCH implies adding overlap values to interior array, machine
747       truncation error is expected when adding an ADEXCH call in the middle of
748       the time-stepping (although mathematically identical).
749      modifs:
750      - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
751        declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
752      - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
753        apply ADEXCH before monitor or snap-shot of ad-variables:
754           =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
755      - implement new method (copy+adexch) for snap-shot and monitor of main model
756        ad-vars (initially not used by default -> output unchanged).
757      - change default (set to 2) to use new method and update few output_adm.txt
758        with accurate ad-monitor (global_ocean.90x40x15, tutorial_global_oce_biogeo
759        and both tutorial_tracer_adjsens tests).
760      - switch 2 global_ocean.cs32x15 AD-tests to AB-2 (seaice_dynmix & thsice)
761        and turn off momDissip_In_AB in the 2 other (needed for stable AB-3).
762    o pkg/ctrl:
763      enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
764      generic control variables via
765      #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
766      Only required customization should be S/R ctrl_map_ini_genarr.F
767      (routine in repository contains example)
768    o pkg/exf:
769      - fix and refine checking of surface-relaxation setting when using EXF
770    o verification (adjoint exp):
771      - reduce length of simulation by half for experiment global_ocean.cs32x15
772        (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
773    o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
774      - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
775        of KE that can occur with aggressive optimization
776      + put quadratic bottom drag calculation in separated loops (only done if
777        using bottomDragQuadratic)
778    o model/src: CG2D_NSA
779      - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
780         and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
781      - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
782         change cg2d residual target to be expressed in Wunits (=> do not normalise
783         RHS ; this fix global_max Pb with TAF); update output.
784    o verification/tutorial_tracer_adjsens:
785       improve parameter consistency (and get rid of warnings):
786       - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
787       - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
788       - use staggerTimeStep (for stability) in som81; use default rotation period.
789    o pkg/exch2:
790      - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
791        reset to 0 = 1 long line in X)
792    o pkg/mdsio:
793      - fix reading of dimensions from meta file for large-size domain
794    o model/src:
795      - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
796      - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
797        Cubed-Sphere Exch with CS-corners inside the domain;
798        make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
799        globalArea and to set hasWetCSCorners.
800      - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
801        metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
802      - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
803        useCDscheme and useCubedSphereExchange).
804    o pkg/seaice/seaice_growth.F :
805      - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
806        for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
807        when the previous code was not correct.
808      - in all cases diagnoze the boundary condition mismatch to SIaaflux
809      - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
810        that term to QNET (essentially to set the melt/freeze water to 0degC).
811        when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
812    o verification/global_ocean.cs32x15/input.seaice :
813      - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
814      - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
815      - update results (output.seaice.txt) accordingly.
816    o verification/lab_sea/input/data.seaice :
817      - remove SEAICEheatConsFix, which is now be tested
818        in global_ocean.cs32x15. The presently coded fix
819        is only consistent with real fresh water + nlfs.
820      - update results (output.txt) accordingly.
821    o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
822    o AD_CONFIG.h file:
823      - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
824      - remove #include "AD_CONFIG.h" from all included OPTIONS files and
825        add it explicitly in each fortran src file where it is needed.
826        motivation: header file AD_CONFIG.h is generated/modified after "make depend"
827        thus introducing potentially wrong dependency; therefore, better to include
828        it only where it's really needed, and after any other included OPTIONS file
829        (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
830        or ALLOW_TANGENTLINEAR_RUN).
831    
832    checkpoint63p (2012/07/06)
833    o pkg/autodiff:
834      - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
835      - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
836        which are now read from new parameter file "data.autodiff" (inAdExact
837        previously in "data", use{KPP/GMRedi/SEAICE}inAdMode previously in data.pkg)
838      - add file "data.autodiff" in all verification/*/input_ad/ directories.
839      - add run-time parameter to turn On/Off SEAICEuseFREEDRIFT in adjoint/forward
840        mode (used in global_ocean.cs32x15.seaice_dynmix test exp.)
841    o verification/tutorial_tracer_adjsens/
842      - add extra sub-verification which uses "SOM" advection scheme
843        (2nd Order-Moment Advection Scheme, Prather Limiter) with
844          #define GAD_ALLOW_TS_SOM_ADV in GAD_OPTIONS.h
845        and in data:
846          multiDimAdvection=.TRUE.,
847          tempAdvScheme=81,
848          saltAdvScheme=81,
849    o model/src:
850      - introduce ALLOW_BALANCE_RELAX which allow the removal
851       of the global mean of relaxation terms by setting
852       balanceThetaClimRelax and balanceSaltClimRelax
853      - disable balanceEmPmR and balanceQnet in the case when useSeaice.
854       This case is now treated appropriately in seaice_growth.F
855    o pkg/seaice:
856      - do balanceEmPmR and balanceQnet based on the net fluxes
857        (SItflux) that enter the ocean+ice system rather than QNET
858        and EMPMR. Works best in real fresh water.
859      - SIatmFW, SIatmQnet, and SItflux computations had to be moved
860        out of the diagnotics bloc, and stored in global arrays.
861    
862    checkpoint63o (2012/06/29)
863    o vertical mixing schemes:
864      - remove unused S/R CALC_BUOYANCY (left from branch-atmos merging)
865      - replace computation of density (in Function STATE1, opps_calc.F) by a call
866        to S/R FIND_RHO_SCALAR
867      - pass sigmaR to S/R PP81_CALC, MY82_CALC (but not yet used) and to GGL90_CALC
868        and use it for N^2 calculation in ggl90_calc.F (save 2 density computations);
869        affects output (vermix.ggl90) at truncation level.
870    o testreport:
871      - change adjustment of SIZE.h for mpi+mth testing: preserve enough tiles
872        (nSx,nSy) for the number of threads (from eedata.mth)
873    o model/src:
874      - remove 2nd set of calls at the top of initialise_varia.F (Adjoint part)
875        related to Non_Lin Free-Surf or Bottom-Control (but not longer necessary).
876  o verification/tutorial_tracer_adjsens/  o verification/tutorial_tracer_adjsens/
877    - compile with ALLOW_CG2D_NSA    - compile with ALLOW_CG2D_NSA
878    - run with nonlinFreeSurf=3    - run with nonlinFreeSurf=3

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