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revision 1.1675 by heimbach, Mon Jun 25 19:25:41 2012 UTC revision 1.1865 by jmc, Wed May 8 00:08:31 2013 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o new pkg: atm_phys
8      - add entry point for new pkg "atm_phys" (atmospheric physics pkg
9        from P. O'Gorman and T. Schneider, JCl, 2008).
10      - re-order sequence of calls within packages_readparms.F,
11         packages_init_fixed.F and packages_write_pickup.F
12        (but skip packages_init_variables.F because of TAF issues).
13    o pkg/seaice (ITD code):
14      - simplify and fix the writing of pickup-files for ITD case
15    o pkg/seaice (ITD code):
16      - introduce floe size dependent lateral melt for ITD case;
17      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
18      - update seaice_itd experiment main output.
19    o pkg/thsice:
20      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
21        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
22        changed accordingly pkg/atm2d.
23    
24    checkpoint64g (2013/05/01)
25    o pkg/exf ALLOW_RUNOFTEMP
26      - if defined,  river and glacier runoff temperature can be read-in from
27        runoftempfile; runoftempfile needs to have same format as runofffile
28    o pkg/thsice (& pkg/bulk_force):
29      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
30        for energy content of Precip + RunOff & Evap (like with pkg/exf).
31      - change computation domain to always be the interior (without overlap).
32      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
33    o verification/tutorial_global_oce_biogeo:
34      - add preliminary OpenAD setup (still has problems)
35    o pkg/seaice:
36      - turn some parameters for choosing the convergence criterion of
37        the inexact Newton method (JFNK) into runtime parameters for convenience
38      - clean up seaice_calc_viscosities.F: remove/retire two options for
39        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
40        the results of lab_sea/input because a division has been replaced by
41        a multiplication with the reciprocal (sumNorm)
42      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
43        convergence of solver (changes results, of course), and to test some
44        new features
45    o model/src:
46      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
47      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
48      - move forcing adjustment (balancing surface forcing) in specific S/R
49        where might also be applied exchanges (if needed) to forcing arrays.
50    o pkg/shelfice:
51      - allow to specify the Ice-Shelf mass per unit area (instead of
52        shelficeLoadAnomaly) and do the conversion from one to the other
53      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
54        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
55        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
56        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
57      - update isomip experiment forward output (get machine truncation error
58        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
59    o verification/offline_exf_seaice:
60      revise data.seaice in input.thermo and input_ad and update results accordingly
61        HO = 0.2, SEAICE_areaLossFormula = 2,
62        SEAICE_growMeltByConv = .TRUE.,
63        SEAICE_doOpenWaterMelt = .TRUE.,
64      Improve consistency with input.thsice and fix the spurious 500m ice corners
65    o verification/global_ocean.cs32x15:
66      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
67        in icedyn (thsice+seaice-dyn) test and update output.
68    o verification/offline_exf_seaice:
69      - adjust list of tested variables (with testreport) and update
70        standard test output with better slection of monitored fields.
71    o pkg/cd_code:
72      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
73        experiment lab_sea.hb87
74    o tools/genmake2:
75      - change default makedepend from the system default to tools/xmakedepend:
76        When no makedepend is specified, select tools/xmakedepend it the test pass,
77        otherwise select the system default (if exist and pass the test) or
78        try to build cyrus-makedepend ; stop if none of the 3 works.
79    o pkg/exf & pkg/thsice:
80      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
81        for energy content of Precip + RunOff & Evap. Assumes:
82       1) Rain has same temp as Air.
83       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
84       3) Run-Off comes at the temp of surface water (with same Cp)
85       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
86        put directly into Latent Heat flux & should use water-vapor heat capacity.
87       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
88        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
89    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
90        (compile when SEAICE_ALLOW_JFNK is defined)
91    o pkg/thsice:
92      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
93        implementation): move THSICE_AVE call after the advection (called directly
94        from thsice_do_advect.F).
95    o verification/global_ocean.90x40x15 and OpenAD:
96      New experiment for OpenAD is identical to the one in input_ad except that
97        multiDimAdvection=.FALSE.,
98      There is still an issue with this.
99    o pkg/thsice:
100      - account for ice velocity (ocean relative velocity) in turbulent heat flux
101        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
102        and offline_exf_seaice (main test).
103    
104    checkpoint64f (2013/03/31)
105    o verification/OpenAD:
106      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
107    o verification/isomip, pkg/shelfice and OpenAD:
108      - add OpenAD setup to this exp and make shelfice package work with OpenAD
109    o verification/tutorial_global_oce_biogeo:
110      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
111    o verification/offline_exf_seaice:
112      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
113    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
114      - add OpenAD setup to this exp and make ptracers package work with OpenAD
115    o pkg/seaice/seaice_evp.F:
116       mask the asymmetric contribution of the ice-ocean stress (when
117       the turningAngle is non-zero) over open water to avoid stripes
118       in the EVP-solutions after many EVP-substeps. This does not change
119       the verification experiment (because turningAngle=0 in that experiment),
120       but will affect other EVP solutions with turningAngle.ne.0
121    o verification, AD & TLM output:
122      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
123        additions and multiplications which affect results at machine truncation
124        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
125        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
126        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
127        digits of matching.
128    o pkg/seaice:
129       modify lsr-algorithm so that it vectorizes AND converges by using a
130       "zebra" method: split vector loop into two with step size 2; this
131       solves a general convergence problem for the JFNK solver on a vector
132       computer. It has the potential to even improve convergence for
133       non-vector machines, but it does change the results so it is turned
134       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
135       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
136    
137    checkpoint64e (2013/03/05)
138    o pkg/ecco and several verification experiments:
139       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
140       from ecco package, and revert to unified routine in model/src/
141       Adjust verification experiments accordingly, especially gloal_oce_llc90
142       Should conclude long-standing work by Gael to reconsile the_main_loop with
143       ECCO and will enable OpenAD's revolve loop in ECCO setup.
144    o pkg/generic_advdiff:
145      - implement compressible flow method for multi-dim advection (similar to
146        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
147        TAF generates many recomputations) to use it; no yet coded with implicit
148        vertical advection.
149      - change experiment advect_cs (new output) and advect_xy (same output)
150        to test compressible flow multi-dim advection.
151    o pkg/generic_advdiff:
152      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
153        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
154    o pkg/seaice:
155      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
156        bug affects two verification experiments (lab_sea and lab_sea.hb87),
157        recover old (wrong) results by setting noSlipFac = 2. in
158        seaice_calc_strainrates.F;
159      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
160      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
161        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
162      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
163    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
164      - new subroutines seaice_lsr_tridiagu/v
165      - introduce loop bounds i/jmin/max to be able to use a restricted
166        additive Schwarz method, but not used for now.
167      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
168      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
169    o OpenAD support
170       Reorganize S/R call for overall time-stepping loop to facilitate
171       OpenAD revolve loop replacement
172       (new S/R main_do_loop.F)
173    o model/src:
174      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
175      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
176        ADAMS_BASHFORTH2.
177    o pkg/cheapaml:
178      - add new parameter (default=F, same as before) to disable full domain
179        (including land) periodicity in X & Y dir.
180      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
181        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
182        into single S/R CHEAPAML_TIMESTEP.
183    
184    checkpoint64d (2013/02/17)
185    o pkg/monitor (angular momentum):
186      - do not add Eta contribution to the total AM if using rigid-lid;
187      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
188      - horizontal discretisation: compute Zonal wind contribution separately for
189        each component (instead of from cell centered averaged) and use the 4
190        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
191      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
192        FreeSurf) if using vectorInvariant momentum.
193    o model/src (horizontal grid):
194      - move initialisation of all horizontal grid arrays to null value
195        from specific horizontal grid S/R to main S/R INI_GRID;
196      - add 2 new arrays to project model C-grid velocity on to zonal direction
197        (similar to AngleCosC & -AngleSinC but at U and V point location) and
198        compute them in S/R CALC_GRID_ANGLES.
199    o pkg/seaice: replace a hard coded parameter by a runtime parameter
200        SEAICE_JFNK_tolIter
201    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
202        preconditioner for JFNK (run LSR into the overlaps as far as possible,
203        i.e OLx/y-2, but overwrite the solution in the overlaps)
204      - extend loop range in seaice_calc_viscosity
205      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
206      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
207      - slightly modify loops in tridiagonal solver lsr-preconditioner
208      - by default remove the extra exchange in seaice_preconditioner with a
209        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
210      - modify offline_exf_seaice so that old results without RAS are reproduced
211        for output.dyn_jfnk.txt
212      in seaice_fgmres.F (unrelated to RAS)
213      - add a cpp-flag option for a re-ordered mapping (potentially more
214        efficient), but because this changes the results, turn it off by
215        default
216      - replace the save statement by local common blocks
217    o utils/matlab:
218      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
219      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
220        instead of local script "load_cs.m".
221    o pkg/seaice:
222      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
223        to the scalarProductMetric and the unrolling. By chance this does not
224        change the verification experiment, because of the particular domain
225        decomposition
226    o pkg/diagnostics:
227      - change default missing_value from UNSET_RL to -999.
228    o pkg/layers: improve vectorization of layers_fluxcalc.F
229      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
230        time spent in this routine by more than a factor of 3 on an NEC-SX8
231      - step 2: replace search algorithm by a bisection algorithm found in
232        Press et al. Numerical Recipes in Fortran. This algorithm can be
233        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
234        For now, use this algorithm only for TARGET_NEC_SX defined.
235      - moved the search algorithm into a separate subroutine, that is kept
236        within the same file for automatic inlining.
237      - modified catching potential errors
238    o pkg/ecco:
239      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
240    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
241      - modifications for ALLOW_GENTIM2D_CONTROL
242      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
243      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
244      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
245      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
246    o model/src:
247      - account for moist thermodynamics in (dry) potential temperature equation;
248        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
249        and cpl_aim+ocn.
250      - also switch to standard compiler (gfortran, was using ifort previously)
251        for fizhi-cs experiments reference output.
252    o pkg/ctrl:
253      - 1st step toward generic time-varying control variable (2D) via CPP option
254        ALLOW_GENTIM2D_CONTROL
255      - note new namelist ctrl_nml_genarr in data.ctrl
256    o verification/global_ocean.cs32x15:
257      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
258        thsice calling sequence and update "output.icedyn.txt" output file.
259    o pkg/ptracers:
260      - from Ryan A.: code to allow to restart a tracer at regular time interval
261        specifying a reset frequency and a reset-phase (for each tracers).
262    o pkg/thsice:
263      - implement new sequence of calls for thsice+seaice:
264          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
265          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
266      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
267        in CPP_OPTIONS.h) to recover old sequence;
268      - update diagnostics for Intermediate State thsice diagnostics: now filled
269        just before advection (instead of just after advection in old sequence);
270      - update output of experiment offline_exf_seaice (standard test);
271      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
272        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
273    o pkg/aim_v23:
274      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
275      - use standard pkg/mdsio routines to read & write CO2 pickup file;
276      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
277      - Implement new sequence of calls for seaice advection (with thsice and
278        seaice diffusion): do ice advection after ice-Thermodynamic (previously
279        was done before); change aim_do_physics.F (split the bi,bj loops block);
280      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
281    o pkg/thsice:
282      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
283        where just seaice diffusion is used without seaice-dynamics.
284    
285    checkpoint64c (2013/01/18)
286    o pkg/seaice:
287      - add a parameter JFNKres_tFac that can replace JFNKres_t
288        (= JFNKres_tFac*JFNKresidual before JFNK solver)
289      - add a line search option to the JFNK solver
290      - move update of u/vIce and computation of initial residual into a separate
291        routine (same file); makes the code a little easier to read (?)
292      - the line search requires computation of the residual and for some reason
293        I cannot do the update of u/vIce at the beginning of the Newton loop
294        without changing the results, so we move computation of the new residual
295        also to the end of the Newton loop, even without the line search
296    o pkg/mdsio:
297      - write missing value (corresponding to undefined array value) to meta files;
298        skip this if missing value is one (UNSET_RL would be a better value for the
299        case of undefined missing value but it's current the default missing-value);
300        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
301    o pkg/exf & thsice:
302      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
303        diagnostics) even when SHORTWAVE_HEATING is #undef;
304    o verification/cfc_example:
305      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
306        illustrate how to use it).
307    o verification/offline_exf_seaice:
308      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
309        files to only one time-record.
310      in input.thermo: narrow the 2 bands of low initial ice-concentration near
311        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
312        snapshot output; same mcPheePiston value as in thsice with
313        surf-current=0.2m/s.
314      in input.thsice: similar set-up as in input.thermo (channel with same seaice
315        initial conditions).
316    o verification/cfc_example:
317      - update file "data" with more standard choice (default rotationPeriod,
318        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
319        set deltaTFreeSurf to deltaTtracer) and update the output.
320    o pkg/layers:
321      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
322      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
323    o verification/offline_exf_seaice:
324      - set all {field}period to zero for constant-in-time forcing (not tested
325        anywhere else).
326    o verification/offline_exf_seaice:
327      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
328      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
329    o model/src:
330      - implement Finite-Volume method for (hydrostatic) presure gradient
331        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
332    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
333      - In order to be compatible with the default EVP code, this requires changing
334        the EVP code around a little; and because any small change immediately
335        breaks the lab_sea.hb87 verification experiment, the reference output is
336        updated two times (each time the remaining aggrement was only 2 digits):
337        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
338        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
339        The adjoint test lab_sea.evp also needed to be updated.
340      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
341        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
342        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
343        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
344        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
345        kept obscure, because I need to test it a little more.
346    o pkg/cheapaml:
347      - fix few incorrect type (_RL/_RS) in subroutine calls.
348    o pkg/seaice:
349      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
350        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
351    o model/src:
352      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
353        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
354        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
355    o pkg/cheapaml:
356      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
357        update output of experiment cheapAML_box.
358      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
359        and set them only in one place (cheapaml_readparms.F).
360      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
361      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
362        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
363    o model/src/the_main_loop.F:
364      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
365    o pkg/seaice:
366      - remove legacy branch code.
367      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
368    o verification/*/code*/SEAICE_OPTIONS.h:
369      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
370        SEAICE_CAP_HEFF).
371    o pkg/cheapaml:
372      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
373        to load new forcing fields.
374      - add missing "_d 0" where it's needed; + some editing (improve indentation).
375      - remove switch to "-r8" compiler option (no longer needed) in verification
376        cheapAML_box, keep same output (small trucation error differences).
377    o verification/offline_exf_seaice:
378      - add thermodynamics only test.
379    o verification/cheapAML_box:
380      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
381        keep same output (same 14 digits for cg2d).
382      - switch on "-r8" compiler option (some numerical values are missing
383        the "_d 0") and update output (only 6 digits for cg2d were preserved).
384    
385    checkpoint64b (2012/12/24)
386    o pkg/cheapaml:
387      - remove un-used variables (Qnet,EmPmR) from pickup files.
388      - store tendency of advected variables into cheapaml pickup file
389        and fix the AB-2 restart.
390    o verification/offline_exf_seaice and lab_sea adjoint:
391      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
392      - switch to 4 time steps in offline, consistent with lab_sea.
393      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
394      - update results after change of experiment seaice.
395    o pkg/seaice:
396      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
397        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
398        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
399        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
400    o model/src:
401      - add run-time parameter to select CG2D solver minimum-residual solution
402        (in case of a poor convergence).
403    o pkg/seaice/seaice_lsr.F
404      - move calculation of matrix coefficients into new
405        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
406        file; the main purpose of this change is to be able to reuse the code
407        in S/R SEAICE_PRECONDITIONER
408      - modify the computation of the residual so that the mass of sea-ice
409        is not used twice; this simplifies the calculations, but since
410        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
411        not tested in testreport---this does not affect the testreport results.
412    o verification/seaice_obcs:
413      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
414        verification/lab_sea/input.salt_plume; changes results/output.txt*
415    o model/src:
416      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
417    o pkg/seaice:
418      - improve description of parameters in seaice_fgmres.F and start
419        cleaning up the code
420      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
421        second argument
422      - add a metric based on grid cell area to SEAICE_SCALPROD; update
423        results of offline_exf_seaice.dyn_jfnk
424      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
425    o pkg/aim_v23:
426      - fix an other bug in dissipation heating (grid-cell area was missing).
427    o model/src + pkg/seaice:
428      - add global (multi-tile) linear solver for pair of tri-diagonal system
429        along X and Y lines, respectively for U and V component.
430        Note: 1) MPI and cube-exchange not yet coded.
431            2) probably not accurate for poorly conditioned / large size problem.
432      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
433        default: not compiled and not used.
434    o pkg/seaice:
435      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
436        introduce bi/bj loops and use global_sum_tile_rl instead of
437        mpi_allreduce in seaice_fgmres.F
438      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
439      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
440      - add a verification experiment for JFNK in offline_exf_seaice
441    o verification:
442      - change (for now, only fwd test) offline_exf_seaice experiment:
443        use a re-entrant channel with idealized coastline (trapezoidal shape)
444        at southern boundary to explore seaice dynamics and thermodynamics
445        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
446        secondary test (input.thsice) use thermodynamics only with SST relaxation.
447      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
448    o pkg/exf:
449      - disable "sstExtrapol" when Nr=1
450    o verification:
451      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
452        to test pkg/cheapaml.
453    o pkg/aim_v23 & pkg/shap_filt:
454      - fix dissipation heating (erroneous gravity multiplication factor).
455    o pkg/seaice:
456      - remove unused field pressPre from jfnk solver
457      - rename two subroutines in seaice_preconditioner.F
458    o eesupp/src:
459       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
460    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
461       - remove wrong parts of the rhs and the lhs (were in there
462         because I did not understand the concept of this preconditioner)
463       - add an exchange between u- and v-sweep. This increases communication
464         by a factor of two but improves the convergence of jfnk. Ideally,
465         one would like the u- and v-sweep to be independent. So far within
466         undocumented ifdefs
467       - reorganize the extra computations for printing the residuals
468    o tools/genmake2:
469      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
470        since it's not necessary (and was preventing to use MNC in some cases).
471    
472    checkpoint64a (2012/11/16)
473    o pkg/autodiff:
474      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
475        autodiff_readparms.F no longer depends on calling order (within
476        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
477        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
478        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
479    o pkg/obcs:
480      - adding tidal velocity forcing capability to obcs
481        for usage example, see verification/seaice_obcs/input.tides
482    o pkg/seaice:
483      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
484        SEAICE_LSRrelaxU/V
485      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
486    o pkg/aim_v23:
487      - implement heating from friction (bottom friction and stratospheric drag).
488    o pkg/shap_filt:
489      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
490        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
491    o model/src:
492      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
493        time-constant addMass field from file (addMassFile);
494      - support for heating due to friction (and Kinetic Energy dissipation):
495        add option, run-time switch and 3-D field array + support code ; each pkg
496        or S/R can add heating contribution (if there is a sink of KE); the sum is
497        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
498    o pkg/seaice:
499      - complete merge of ITD code into seaice_growth.F
500        from MITgcm_contrib/torge/itd/code/
501        no verification so far, but Torge Martin tested
502        "1-D test case and Beaufort set up;
503        deliver okay results after 1 model year."
504      - complete merge of SEAICE_SIZE.h into all relevant routines
505      - move computation of eta at Z-points into calc_viscosities
506        + introduce global field etaZ
507        + add different methods for computing etaZ, for now the old
508          method (simple averages of eta to Z-points) is hardwired
509        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
510          seaice_preconditioner
511      - simplify computations for SEAICE_ZETA_SMOOTHREG
512      - seaice_preconditioner:
513        + replace one remaining press by pressLoc (mistake)
514        + adjust printing of residuals
515      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
516        + add (SEAICE.h) and rename some counters (initiliased in
517          seaice_init_fixed.F)
518        + add _BEGIN/END_MASTER (myThid)  around print statements
519        + print total number of iterations and failures over SEAICE_monFreq
520          interval to STDOUT
521      - move control over output-messages by fgmres to seaice_jfnk to save
522        some operations
523      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
524        in order to make restarts with sol .ne. zero (fgmres with restarts)
525        (seaice_jfnk.F, seaice_fgmres.F)
526      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
527        a serious convergence problem when open boundaries are involved
528    o pkg/ggl90: fix computation of control volumes for the case of
529      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
530      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
531    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
532    o pkg/autodiff
533      - Add inAdMode switch for SEAICEuseDYNAMICS:
534        SEAICEuseDYNAMICSinAdMode
535        (extend logic in ADAUTODIFF_INADMODE_SET)
536    o pkg/seaice
537      - Step 1 of merging ice-thickness distribution (ITD) code from
538        MITgcm_contrib/torge/itd/ (author: Torge Martin)
539        The code implements concept laid out in Thorndike et al. (1975);
540        code is enabled via CPP flag SEAICE_ITD
541        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
542        code is not complete yet!!
543      - SEAICE_SIZE.h now included in almost all seaice routines
544    o verification (using seaice):
545      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
546        global_ocean.cs32x15.seaice ; update results.
547      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
548      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
549        offline_exf_seaice (previously compiling B-grid).
550    o pkg/exf:
551      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
552        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
553        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
554    o pkg/layers (adjust changes from Sept 19):
555      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
556        this allows to remove "layers_maxNum" dimension from all layers arrays.
557    o pkg/layers (adjust changes from Sept 19):
558      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
559      - snap-shot extended to all type of layers (not just the 1rst type);
560      - remove layers variables when corresponding CPP option is undef.
561    o pkg/layers:
562      - rename pkg/layers variable and add new output (layer exist & un-weighted
563        velocity in layer)
564    o pkg/seaice:
565      - simplify (?) ocean-drag coefficent computations by using
566        the same routine in all three solvers (saves some code lines)
567      - remove global fields DRAGA and DRAGS from C-grid code and
568        declare them locally in lsr.F (the only place where they are
569        still used)
570      - update AD output of lab_sea.evp (very sensitive anyway).
571    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
572      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
573      and SEAICEuseJFNK=.true. A few things to note:
574      - involves a FGMRES, that is parallel but very inefficient,
575        because of many scalar products (global sums) in the Gram-Schmidt
576        orthogonalization method. Needs to be replaced. Original code
577        from J.-F. Lemieux
578      - preconditioner for FGMRES is a stripped down version of LSOR
579      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
580        preconditioner. For the preconditioner, the default is set to 10.
581      - Jacobian times vector is computed with finite differences
582      - marginally related to JFNK-solver: add a smooth regularization for
583        zeta with tanh that will improve convergence (Lemieux and Tremblay,
584        2009) for any implicit solver (not implemented for EVP because EVP
585        does not need this regularization in the first place). Define
586        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
587    o eesupp/src:
588      - check in genmake2 that intrinsic S/R flush is available.
589      - add S/R to flush IO unit (if intrinsic S/R flush is available)
590      - flush standard & error msg unit before MPI termination
591      - if debugMode, flush IO unit after printing msg
592    o pkg/ctrl:
593      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
594        to ctrl_set_unpack_xyz.
595    
596    checkpoint64 (2012/10/09)
597    o pkg/shelfice
598      - in mom_fluxform.F, mom_vecinv.F:
599        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
600        Bug fix KappaRU -> KappaRV
601        does not change verification/isomip but may change other setups
602        (presumably constant KappaRU=KappaRV)
603      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
604    o pkg/obcs:
605      - fixed some indexing bugs in obcs_seaice_sponge.F
606      - added obcs relaxation subroutines for HSALT and HSNOW
607      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
608    o pkg/seaice:
609      - add "multicategory" parameterization for snow in analogy to ice,
610        default is off for now.
611    o pkg/obcs:
612      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
613        see verification/seaice_obcs/input.seaiceSponge for example application.
614      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
615        index setting by master-thread. This fix multi-threads Pb in previous modifs.
616    o pkg/layers :
617      - add diagnostics to pkg/layers
618      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
619        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
620    o pkg/generic_advdiff/gad_implicit_r.F :
621      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
622    o pkg/seaice/seaice_growth.F:
623      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
624    o pkg/obcs:
625      - change default setting of OBCS_UVICE_OLD from defined to undef;
626      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
627        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
628      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
629      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
630        with Southern & Western OB at a tile edge (at least in a simple set-up).
631    o pkg/obcs:
632      - change settings of OB index in case OB coincides with tile edge (shared by
633        2 tiles), so that common OB location is registered by both tiles (instead of
634        only 1). However, for Southern and Western OB, index value = 0 is not
635        recognized as valid OB index (=default null value) and needs to be fixed.
636      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
637      - new parameter "OB_indexNone" for null index value (for now, still zero)
638        to replace hard-coded null index value of zero.
639    o pkg/exch2:
640      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
641        always check buffer-size (but outside the loop); move checking for valid
642        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
643        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
644    o pkg/ctrl (pack & unpack):
645      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
646        (locally defined) for different variables (+ remove the variable-specific
647        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
648        (to be extended to other local file names in ctrl.h).
649    o pkg/flt:
650      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
651    o pkg/mdsio:
652      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
653    o tools/genmake2:
654      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
655        (added by Alistair in version 1.51 for building without make depend);
656      - remove Header files list (H_SRC_FILES) from the dependence of targets
657         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
658        place in version 1.23): this save going through staf when unrelated header
659        file has been modified.
660       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
661        "make depend" step, still need to do "make links" before "make adtaf".
662    o eesupp/src (+ few pkg src files) & genmake2:
663      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
664      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
665      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
666         upper/lower case ; account for space between "#" and undef/define)
667    o pkg/flt (with exch2):
668      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
669      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
670    
671    checkpoint63s (2012/09/05)
672    o pkg/ecco:
673      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
674      - add more relevant #ifdef ALLOW_SMOOTH ones.
675      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
676    o pkg/ctrl:
677      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
678        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
679      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
680        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
681        ctrlSmoothCorrel3D (new).
682        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
683      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
684      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
685        controls when useAtmWind, and vice versa.
686      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
687      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
688          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
689      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
690          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
691      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
692        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
693    o pkg/smooth:
694      - remove un-necessary includes.
695      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
696        Those CPP options were never defined, and not necessary.
697    o model/src:
698      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
699      - standard treatment of useSMOOTH.
700    o pkg/autodiff:
701      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
702        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
703    o pkg/exch2:
704      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
705        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
706      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
707        and tiles to process mapping.
708      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
709        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
710        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
711        from w2_eeboot.F to w2_readparms.F.
712    o eesupp/src:
713      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
714        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
715        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
716      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
717        is defined (remove condition on usingMPI) to match cases where MPI_INIT
718        has been called.
719      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
720      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
721        (so that on 1 proc, get same myPid independently of usingMPI)
722      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
723        useCubedSphereExchange with EXCH-1 (safer).
724      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
725    o pkg/ggl90:
726      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
727        used in ALLOW_GGL90_SMOOTH code.
728    o pkg/flt:
729      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
730        floats at the Southern end of the domain).
731    o eesupp/inc:
732      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
733        but not used (and not to be used) anywhere, just for documentation.
734    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
735      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
736        a) can damage previously written records in any other multi-record files.
737        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
738    o tools/genmake2:
739      - define variable MAKE within Makefile and use it in place of 'make';
740      - update AD_CONFIG.h (if needed) before building any of the executable
741        (forward, adjoint or tangent-lin); this involves a 2nd invocation of make;
742        and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
743      - always print usual warning comment 'this file is automatically generated'
744        from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
745    o pkg/cheapaml:
746      - updated to correspond to the code used in accepted paper (Nico Wienders).
747    o pkg/exf:
748        added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
749        ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)
750        and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).
751    o pkg/exf, autodiff, ctrl, ecco and seaice:
752        remove ALLOW_ATM_WIND brackets, or replace them with useAtmWind ones.
753    o pkg/ctrl, ecco:
754        allow to compile both ALLOW_U/VSTRESS_CONTROL and ALLOW_U/VWIND_CONTROL.
755        Depending on useAtmWind, one is inactive, and the other is active (see
756        exf_getffields.F/exf_getsurfacefluxes.F).
757    o tools/genmake2:
758      - improve error msg when failing in 2nd test of check_for_broken_Ff
759      - fix option '-makefile' short-name (-mf according to genmake2 -help)
760      - source local config file "genmake_local" just after processing the genmake2
761        command arguments (previously done before processing arg).
762    o pkg/grdchk:
763      - add a call to TURNOFF_MODEL_IO for Tangent-Linear run (in this case, call
764        to this routine from cost_final has been dropped in g_cost_final)
765      - improve printed information (more explicit msg, no longer using "print *,"
766         fix fcpertminus printed value).
767    o model/src:
768      - move call to COST_INIT_VARIA out of packages_init_variables.F directly
769        into initialise_varia.F (just after calling PACKAGES_INIT_VARIABLES):
770        this prevents getting cost-funct reset in adinitialise_varia recomputations.
771    o pkg/dic:
772      - move initialisation of "freefe" array from from dic_biotic_forcing.F to
773        fe_chem.F: this prevents TAF from dropping this initialisation in TLM code.
774    o pkg/grdchk:
775      - grdchk_main.F : added CALL GLOBAL_SUM_INT( ierr , myThid )
776      - grdchk_getadxx.F etc. : omit I/O if ierr.EQ.0
777    o pkg/autodiff/ctrl/grdchk :
778      - attempt to sort out what works and what does not,
779        with regard to I/O, and to warn/stop accordingly.
780    o pkg/grdchk:
781      - attempt to fix grdchk in the case of useSingleCpuIO.
782      - "if ( myProcId .EQ. grdchkwhichproc .AND. ierr .EQ. 0 )"
783       statements were moved from grdchk_main.F and into
784       grdchk_getadxx.F grdchk_getxx.F grdchk_setxx.F.
785      - a global sum is applied to record numbers icvrec/layer
786       out of grdchk_loc so that they be passed to I/O routines.
787    o pkg/smooth:
788      - fix recomputation that appeared with nlfs : use smooth_recip_hFacC,
789        smooth_hFacW, smooth_hFacS (copied at init_fixed) in 3d case.
790    o verification/testreport:
791      - add option '-tlm' for Tangent-Linear test (-adm,-oad,-tlm are all exclusive);
792      - can also use compressed (gzip) reference output file;
793      - change format (in pkg/grdchk) of TLM output (+ add forward gradient)
794        to be easier to collect by testreport.
795      - update existing TLM output (half out-of-date by more than 3 yrs).
796      - report NETCDF & LAPACK settings (from genmake2) in output dir.
797      - report run-time in each individual summary (previously only for AD test);
798        for TLM test, add also TAF version.
799      - add daily TLM test on (old) aces cluster + weekly test on baudelaire.
800    
801    checkpoint63r (2012/08/15)
802    o tools/genmake2:
803      - fix Makefile for target ftlall (+ update files to clean after make ftlall)
804    o pkg/ecco/ecco_cost_final.F :
805      - fix fc print statements (to stdout and costfunction0000) so
806        that the printed value is always after the global sum.
807    o pkg/seaice/seaice_dynsolver.F :
808      - fix ice strength assymptote at SEAICE_area_max<1
809        (no change for the standard case of SEAICE_area_max=1)
810    o some cleaning:
811      - pkg source files: ensure that all *.F files from each pkg included the
812        corresponding ${PKG}_OPTIONS.h file (except stand-alone src file which
813        only includes CPP_EEOPTIONS.h); fix S/R CTRL_SMOOTH ; update AD experiment
814        code_ad/*.F src files; add new option-file in pkg/admtlm + corresponding
815        includes;
816      - model/src: add PACKAGES_CONFIG.h wherever ALLOW_AUTODIFF[_TAMC] is used.
817      - ALLOW_DIFFKR_CONTROL: add a stop in S/R CTRL_CHECK in case ALLOW_3D_DIFFKR
818        is undef; also define /DYNVARS_DIFFKR/ common block in DYNVARS.h when
819        ALLOW_DIFFKR_CONTROL is defined, to allow to compile and reach this stop.
820      - update option-file CPP_OPTIONS.h of all AD experiments:
821        * no longer include PACKAGES_CONFIG.h ;
822        * includes ECCO_CPPOPTIONS.h if PACKAGES_CONFIG.h has been included ;
823        * def/undef ALLOW_3D_DIFFKR independently of ALLOW_DIFFKR_CONTROL (before
824          including ECCO_CPPOPTIONS.h).
825    o pkg/cost, pkg/ctrl, pkg/ecco option-file:
826      - clean-up and split content of old pkg/ecco/ECCO_CPPOPTIONS.h file into
827        separated pkg option-file (done according to old doc from ECCO_CPPOPTIONS.h,
828        not necessary accurate).
829      - add a template for option-file ECCO_CPPOPTIONS.h, mostly empty, in
830        pkg/autodiff, i.e., the 1rst pkg to compile for adjoint built, with lines to
831        deliberately break compilation (a remainder that it needs to be customized)
832      - in pkg/ecco, includes ECCO_OPTIONS.h instead of COST_OPTIONS.h
833      - rename COST_CPPOPTIONS.h to COST_OPTIONS.h
834      - rename CTRL_CPPOPTIONS.h to CTRL_OPTIONS.h
835    o tools/genamke2:
836      - check for lapack.
837    o pkg/cost and pkg/ecco : attempt to sort out some of the limiting intricacies.
838      - pkg/cost.cost_final.F : allow for use of pkg/ecco and pkg/cost cost functions
839        jointly. The exclusive ifdefs were removed, to add costs terms (when defined)
840        from both packages.
841      - the fc global sum in pkg/ecco/ecco_cost_final.F was removed accordingly.
842      - for objf_atl we use either the pkg/ecco or the pkg/cost term depending on CPPs.
843      - pkg/ecco and model/src : add CPP brackets around pkg/cost and pkg/ctrl includes
844        of "CTRL_SIZE.h" "ctrl.h" "ctrl_dummy.h" "optim.h" / "cost.h" accordingly.
845    o pkg/cost : add comments to explain special and/or untested setups.
846    o pkg/exf:
847      - use EXF_OPTIONS.h to set pkg/exf options except if done in ECCO_CPPOPTIONS.h
848        (previously, ALLOW_AUTODIFF_TAMC was controling this switch).
849    o verification/*/code_ad:
850      mimimal cleaning of AD experiments ECCO_CPPOPTIONS.h option-file:
851      - reccord when this file is included (define ECCO_CPPOPTIONS_H)
852      - remove the most obvious obsolete features (e.g., #define ALLOW_COST not
853        allowed since Oct 2003 in any option-file except in PACKAGES_CONFIG.h)
854    o pkg/seaice :
855      - added possibility to change ice strength/PRESS0 relationship to
856        HEFF, according to the following run time parameters
857        SEAICEpresPow0 :: HEFF exponent for ice strength below SEAICEpresH0 (integer, >0)
858        SEAICEpresPow1 :: HEFF exponent for ice strength above SEAICEpresH0 (integer, >0)
859        SEAICEpresH0   :: HEFF threshold for ice strength            (m)
860    o pkg/ggl90 :
861      - added run time flag mxlSurfFlag to include the code that ensure
862        mixing between first and second level (previously included as a comment)
863    o verification/1D_ocean_ice_column/input_ad/data.autodiff :
864      - add test of newly added dumpAdByRec=T option where
865        we write all records to one file per variable.
866    o verification/global_ocean.cs32x15/code_ad/CPP_OPTIONS.h :
867      - switch to #define ALLOW_BALANCE_RELAX and ALLOW_BALANCE_FLUXES
868        to check that this code is ok with taf and compiles in adjoint.
869    o pkg/autodiff :
870      - added run time param dumpAdByRec : ad dump format switch.
871        If true then write all records to one file per variable.
872        Else write one file per record (remains the default).
873      - revise seaice_ad_dump.F and exf_adjoint_snapshots_ad.F accordingly.
874    o pkg/seaice:
875     - Added SEAICEuseTILT run time switch : if set to
876       false then omit the tilt term in seaice dynamics.
877     - Fix free drift calculation.
878    o pkg/shelfice:
879      When initializing SHELFICEDragQuadratic, set default to be
880      consistent with shiCdrag in case SHELFICEuseGammaFrict is used,
881      but retain option to set it independently
882      (inconsistenty spotted by Veronique Dansereau)
883    o eesupp/inc:
884      - in EEPARAMS.h, add real-type constant for some frequently used simple number
885         (0,1,2,1/2), with name explicitly referring to RS/RL type.
886    o model/src:
887      - move balancing of relaxation terms to new S/R balance_relax.F.
888    o pkg/autodiff:
889      re-write active I/O high-level (control) S/R:
890      - rename  S/R ACTIVE_READ/WRITE_RL to ACTIVE_READ/WRITE_3D_RL
891      - add 1 more argument (useCurrentDir) to replace the "_LOC" 2nd set of S/R.
892      - use standard pkg/mdsio I/O routines (MDS_READ/WRITE_SEC_XZ/YZ  and
893        MDS_READ/WRITE_FIELD); change loops to multi-threads.
894      - update and merge active_file_control_slice.flow into active_file_control.flow
895      - update the calls in lower level S/R (active_file.F, active_file_g.F and
896        active_file_ad.F) keeping the argument list and function unchanged.
897      - also update lower-level "_LOC" version (call same S/R with "useCurrentDir
898        =.TRUE.") and remove high-level (control) _loc version (not called anymore).
899      - new low-level active I/O routines, one for each type (RL/RS), for active var
900        of various (XY,XZ,YZ) shape and level number (arguments: arrShape, myNr);
901        fix ctrl_init_wet.F & ecco_cost_weights.F by calling the new S/R with the
902        right type.
903    o autodiff and RS=real*4:
904      - call the right type (_RS instead of _RL) of S/R in few output S/R (pkg/exf
905        ad-monitor and snapshots); disable arrType='RS' in mdsio_gl*.F ;
906      - change argument type of 3-D mask argument to _RS to match type in the call
907        (in seaice_cost*.F, ctrl_*_gen.F and *ctrl_bound.F); to be continued.
908    o pkg/thsice:
909      - re-anable balanceEmPmR when useSEAICE=T with useThSIce=T.
910      - option to correct ocean fresh-water flux for imbalance of Atmos+Land
911        fresh-water flux: uniform correction or proportional to local precip.
912    o pkg/ctrl:
913      - new header file CTRL_SIZE.h for parameters maxCtrlArr2D, maxCtrlArr3D
914      - redefine CPP option ALLOW_BOTTOMDRAG_CONTROL to
915                            ALLOW_BOTTOMDRAG_CONTROL_NONGENERIC
916      - verification/hs94.1x64x5/ tests ALLOW_GENARR{2D,3D}_CONTROL
917    
918    checkpoint63q (2012/07/30)
919    o pkg/autodiff:
920      note about monitor and snap-shot of ad-variables:
921      a) need to apply ADEXCH before monitor or output of ad-vars to include
922       overlap contributions (was done for adjDump but missing for monitor).
923      b) since ADEXCH implies adding overlap values to interior array, machine
924       truncation error is expected when adding an ADEXCH call in the middle of
925       the time-stepping (although mathematically identical).
926      modifs:
927      - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
928        declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
929      - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
930        apply ADEXCH before monitor or snap-shot of ad-variables:
931           =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
932      - implement new method (copy+adexch) for snap-shot and monitor of main model
933        ad-vars (initially not used by default -> output unchanged).
934      - change default (set to 2) to use new method and update few output_adm.txt
935        with accurate ad-monitor (global_ocean.90x40x15, tutorial_global_oce_biogeo
936        and both tutorial_tracer_adjsens tests).
937      - switch 2 global_ocean.cs32x15 AD-tests to AB-2 (seaice_dynmix & thsice)
938        and turn off momDissip_In_AB in the 2 other (needed for stable AB-3).
939    o pkg/ctrl:
940      enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
941      generic control variables via
942      #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
943      Only required customization should be S/R ctrl_map_ini_genarr.F
944      (routine in repository contains example)
945    o pkg/exf:
946      - fix and refine checking of surface-relaxation setting when using EXF
947    o verification (adjoint exp):
948      - reduce length of simulation by half for experiment global_ocean.cs32x15
949        (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
950    o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
951      - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
952        of KE that can occur with aggressive optimization
953      + put quadratic bottom drag calculation in separated loops (only done if
954        using bottomDragQuadratic)
955    o model/src: CG2D_NSA
956      - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
957         and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
958      - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
959         change cg2d residual target to be expressed in Wunits (=> do not normalise
960         RHS ; this fix global_max Pb with TAF); update output.
961    o verification/tutorial_tracer_adjsens:
962       improve parameter consistency (and get rid of warnings):
963       - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
964       - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
965       - use staggerTimeStep (for stability) in som81; use default rotation period.
966    o pkg/exch2:
967      - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
968        reset to 0 = 1 long line in X)
969    o pkg/mdsio:
970      - fix reading of dimensions from meta file for large-size domain
971    o model/src:
972      - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
973      - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
974        Cubed-Sphere Exch with CS-corners inside the domain;
975        make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
976        globalArea and to set hasWetCSCorners.
977      - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
978        metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
979      - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
980        useCDscheme and useCubedSphereExchange).
981    o pkg/seaice/seaice_growth.F :
982      - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
983        for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
984        when the previous code was not correct.
985      - in all cases diagnoze the boundary condition mismatch to SIaaflux
986      - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
987        that term to QNET (essentially to set the melt/freeze water to 0degC).
988        when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
989    o verification/global_ocean.cs32x15/input.seaice :
990      - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
991      - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
992      - update results (output.seaice.txt) accordingly.
993    o verification/lab_sea/input/data.seaice :
994      - remove SEAICEheatConsFix, which is now be tested
995        in global_ocean.cs32x15. The presently coded fix
996        is only consistent with real fresh water + nlfs.
997      - update results (output.txt) accordingly.
998    o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
999    o AD_CONFIG.h file:
1000      - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
1001      - remove #include "AD_CONFIG.h" from all included OPTIONS files and
1002        add it explicitly in each fortran src file where it is needed.
1003        motivation: header file AD_CONFIG.h is generated/modified after "make depend"
1004        thus introducing potentially wrong dependency; therefore, better to include
1005        it only where it's really needed, and after any other included OPTIONS file
1006        (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
1007        or ALLOW_TANGENTLINEAR_RUN).
1008    
1009    checkpoint63p (2012/07/06)
1010    o pkg/autodiff:
1011      - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
1012      - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
1013        which are now read from new parameter file "data.autodiff" (inAdExact
1014        previously in "data", use{KPP/GMRedi/SEAICE}inAdMode previously in data.pkg)
1015      - add file "data.autodiff" in all verification/*/input_ad/ directories.
1016      - add run-time parameter to turn On/Off SEAICEuseFREEDRIFT in adjoint/forward
1017        mode (used in global_ocean.cs32x15.seaice_dynmix test exp.)
1018    o verification/tutorial_tracer_adjsens/
1019      - add extra sub-verification which uses "SOM" advection scheme
1020        (2nd Order-Moment Advection Scheme, Prather Limiter) with
1021          #define GAD_ALLOW_TS_SOM_ADV in GAD_OPTIONS.h
1022        and in data:
1023          multiDimAdvection=.TRUE.,
1024          tempAdvScheme=81,
1025          saltAdvScheme=81,
1026    o model/src:
1027      - introduce ALLOW_BALANCE_RELAX which allow the removal
1028       of the global mean of relaxation terms by setting
1029       balanceThetaClimRelax and balanceSaltClimRelax
1030      - disable balanceEmPmR and balanceQnet in the case when useSeaice.
1031       This case is now treated appropriately in seaice_growth.F
1032    o pkg/seaice:
1033      - do balanceEmPmR and balanceQnet based on the net fluxes
1034        (SItflux) that enter the ocean+ice system rather than QNET
1035        and EMPMR. Works best in real fresh water.
1036      - SIatmFW, SIatmQnet, and SItflux computations had to be moved
1037        out of the diagnotics bloc, and stored in global arrays.
1038    
1039    checkpoint63o (2012/06/29)
1040    o vertical mixing schemes:
1041      - remove unused S/R CALC_BUOYANCY (left from branch-atmos merging)
1042      - replace computation of density (in Function STATE1, opps_calc.F) by a call
1043        to S/R FIND_RHO_SCALAR
1044      - pass sigmaR to S/R PP81_CALC, MY82_CALC (but not yet used) and to GGL90_CALC
1045        and use it for N^2 calculation in ggl90_calc.F (save 2 density computations);
1046        affects output (vermix.ggl90) at truncation level.
1047    o testreport:
1048      - change adjustment of SIZE.h for mpi+mth testing: preserve enough tiles
1049        (nSx,nSy) for the number of threads (from eedata.mth)
1050    o model/src:
1051      - remove 2nd set of calls at the top of initialise_varia.F (Adjoint part)
1052        related to Non_Lin Free-Surf or Bottom-Control (but not longer necessary).
1053  o verification/tutorial_tracer_adjsens/  o verification/tutorial_tracer_adjsens/
1054    - compile with ALLOW_CG2D_NSA    - compile with ALLOW_CG2D_NSA
1055    - run with nonlinFreeSurf=3    - run with nonlinFreeSurf=3

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