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revision 1.1682 by jmc, Thu Jul 5 19:38:02 2012 UTC revision 1.1875 by jmc, Mon Jun 10 03:08:50 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 pkg/cfc:
8      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
9      - remove atmos CFC 2-D arrays from common bloc (now local variables)
10      - change some hard-coded constant to run time parameter for reading and
11        and interpolating atmospheric CFC ; keep same default as previously.
12      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
13      - put arguments in standard order: myTime, myIter, myThid
14      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
15        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
16      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
17      - new routine to print summary of CFC params and check for consistency.
18    o pkg/cfc:
19      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
20        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
21      - fix interpolation of atmphspheric CFC between Sorthern and Northern
22        hemisphere value.
23    o pkg/seaice:
24      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
25    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
26                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
27      - requires an additional time level that is stored in the pickup
28      - you can start with AB2 from a pickup without this time level with
29        pickupStrictlyMatch = .false.
30    
31    checkpoint64h (2013/05/26)
32    o pkg/cheapaml:
33      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
34        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
35      - consistent treatment of uWind,vWind location: assume everywhere in
36        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
37        (Note: was already the case for Tair,Qair advection);
38        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
39      - compute diabatic forcing only in the interior (excluding overlap regions)
40      - fill in array "Qsw" (for short-wave heating);
41      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
42        before any update (consistent with MITgcm state var diagnostics);
43      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
44        non periodic ; + adjusted for uWind,vWind (C-grid).
45    o pkg/seaice:
46      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
47        add explicitly pkg/exf in experiments that currently use pkg/seaice.
48      - allows to compile pkg/seaice without pkg/exf.
49    o tools/OAD_support:
50      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
51        of array "ourStepOf" in function rvNextAction (revolve.F90).
52    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
53      - change pkg name (to be used with other atmospheric physics pkg)
54        but by-pass CVS when making the new pkg so that we keep the CVS history.
55    o pkg/offline:
56      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
57        (previously called from pkg/dic_surfforcing_init.F)
58    o model/src:
59      - re-order sequence of calls within packages_init_variables.F, using
60        standard order, except for:
61         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
62         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
63    o new pkg: atm_phys
64      - add entry point and source code (previously in contrib
65          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
66        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
67      - re-order sequence of calls within packages_readparms.F,
68         packages_init_fixed.F and packages_write_pickup.F
69        (but skip packages_init_variables.F because of TAF issues).
70      - update contrib/*/atm_gray/ experiment.
71    o pkg/seaice (ITD code):
72      - simplify and fix the writing of pickup-files for ITD case
73    o pkg/seaice (ITD code):
74      - introduce floe size dependent lateral melt for ITD case;
75      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
76      - update seaice_itd experiment main output.
77    o pkg/thsice:
78      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
79        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
80        changed accordingly pkg/atm2d.
81    
82    checkpoint64g (2013/05/01)
83    o pkg/exf ALLOW_RUNOFTEMP
84      - if defined,  river and glacier runoff temperature can be read-in from
85        runoftempfile; runoftempfile needs to have same format as runofffile
86    o pkg/thsice (& pkg/bulk_force):
87      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
88        for energy content of Precip + RunOff & Evap (like with pkg/exf).
89      - change computation domain to always be the interior (without overlap).
90      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
91    o verification/tutorial_global_oce_biogeo:
92      - add preliminary OpenAD setup (still has problems)
93    o pkg/seaice:
94      - turn some parameters for choosing the convergence criterion of
95        the inexact Newton method (JFNK) into runtime parameters for convenience
96      - clean up seaice_calc_viscosities.F: remove/retire two options for
97        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
98        the results of lab_sea/input because a division has been replaced by
99        a multiplication with the reciprocal (sumNorm)
100      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
101        convergence of solver (changes results, of course), and to test some
102        new features
103    o model/src:
104      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
105      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
106      - move forcing adjustment (balancing surface forcing) in specific S/R
107        where might also be applied exchanges (if needed) to forcing arrays.
108    o pkg/shelfice:
109      - allow to specify the Ice-Shelf mass per unit area (instead of
110        shelficeLoadAnomaly) and do the conversion from one to the other
111      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
112        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
113        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
114        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
115      - update isomip experiment forward output (get machine truncation error
116        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
117    o verification/offline_exf_seaice:
118      revise data.seaice in input.thermo and input_ad and update results accordingly
119        HO = 0.2, SEAICE_areaLossFormula = 2,
120        SEAICE_growMeltByConv = .TRUE.,
121        SEAICE_doOpenWaterMelt = .TRUE.,
122      Improve consistency with input.thsice and fix the spurious 500m ice corners
123    o verification/global_ocean.cs32x15:
124      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
125        in icedyn (thsice+seaice-dyn) test and update output.
126    o verification/offline_exf_seaice:
127      - adjust list of tested variables (with testreport) and update
128        standard test output with better slection of monitored fields.
129    o pkg/cd_code:
130      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
131        experiment lab_sea.hb87
132    o tools/genmake2:
133      - change default makedepend from the system default to tools/xmakedepend:
134        When no makedepend is specified, select tools/xmakedepend it the test pass,
135        otherwise select the system default (if exist and pass the test) or
136        try to build cyrus-makedepend ; stop if none of the 3 works.
137    o pkg/exf & pkg/thsice:
138      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
139        for energy content of Precip + RunOff & Evap. Assumes:
140       1) Rain has same temp as Air.
141       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
142       3) Run-Off comes at the temp of surface water (with same Cp)
143       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
144        put directly into Latent Heat flux & should use water-vapor heat capacity.
145       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
146        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
147    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
148        (compile when SEAICE_ALLOW_JFNK is defined)
149    o pkg/thsice:
150      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
151        implementation): move THSICE_AVE call after the advection (called directly
152        from thsice_do_advect.F).
153    o verification/global_ocean.90x40x15 and OpenAD:
154      New experiment for OpenAD is identical to the one in input_ad except that
155        multiDimAdvection=.FALSE.,
156      There is still an issue with this.
157    o pkg/thsice:
158      - account for ice velocity (ocean relative velocity) in turbulent heat flux
159        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
160        and offline_exf_seaice (main test).
161    
162    checkpoint64f (2013/03/31)
163    o verification/OpenAD:
164      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
165    o verification/isomip, pkg/shelfice and OpenAD:
166      - add OpenAD setup to this exp and make shelfice package work with OpenAD
167    o verification/tutorial_global_oce_biogeo:
168      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
169    o verification/offline_exf_seaice:
170      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
171    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
172      - add OpenAD setup to this exp and make ptracers package work with OpenAD
173    o pkg/seaice/seaice_evp.F:
174       mask the asymmetric contribution of the ice-ocean stress (when
175       the turningAngle is non-zero) over open water to avoid stripes
176       in the EVP-solutions after many EVP-substeps. This does not change
177       the verification experiment (because turningAngle=0 in that experiment),
178       but will affect other EVP solutions with turningAngle.ne.0
179    o verification, AD & TLM output:
180      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
181        additions and multiplications which affect results at machine truncation
182        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
183        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
184        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
185        digits of matching.
186    o pkg/seaice:
187       modify lsr-algorithm so that it vectorizes AND converges by using a
188       "zebra" method: split vector loop into two with step size 2; this
189       solves a general convergence problem for the JFNK solver on a vector
190       computer. It has the potential to even improve convergence for
191       non-vector machines, but it does change the results so it is turned
192       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
193       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
194    
195    checkpoint64e (2013/03/05)
196    o pkg/ecco and several verification experiments:
197       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
198       from ecco package, and revert to unified routine in model/src/
199       Adjust verification experiments accordingly, especially gloal_oce_llc90
200       Should conclude long-standing work by Gael to reconsile the_main_loop with
201       ECCO and will enable OpenAD's revolve loop in ECCO setup.
202    o pkg/generic_advdiff:
203      - implement compressible flow method for multi-dim advection (similar to
204        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
205        TAF generates many recomputations) to use it; no yet coded with implicit
206        vertical advection.
207      - change experiment advect_cs (new output) and advect_xy (same output)
208        to test compressible flow multi-dim advection.
209    o pkg/generic_advdiff:
210      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
211        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
212    o pkg/seaice:
213      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
214        bug affects two verification experiments (lab_sea and lab_sea.hb87),
215        recover old (wrong) results by setting noSlipFac = 2. in
216        seaice_calc_strainrates.F;
217      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
218      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
219        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
220      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
221    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
222      - new subroutines seaice_lsr_tridiagu/v
223      - introduce loop bounds i/jmin/max to be able to use a restricted
224        additive Schwarz method, but not used for now.
225      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
226      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
227    o OpenAD support
228       Reorganize S/R call for overall time-stepping loop to facilitate
229       OpenAD revolve loop replacement
230       (new S/R main_do_loop.F)
231    o model/src:
232      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
233      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
234        ADAMS_BASHFORTH2.
235    o pkg/cheapaml:
236      - add new parameter (default=F, same as before) to disable full domain
237        (including land) periodicity in X & Y dir.
238      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
239        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
240        into single S/R CHEAPAML_TIMESTEP.
241    
242    checkpoint64d (2013/02/17)
243    o pkg/monitor (angular momentum):
244      - do not add Eta contribution to the total AM if using rigid-lid;
245      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
246      - horizontal discretisation: compute Zonal wind contribution separately for
247        each component (instead of from cell centered averaged) and use the 4
248        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
249      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
250        FreeSurf) if using vectorInvariant momentum.
251    o model/src (horizontal grid):
252      - move initialisation of all horizontal grid arrays to null value
253        from specific horizontal grid S/R to main S/R INI_GRID;
254      - add 2 new arrays to project model C-grid velocity on to zonal direction
255        (similar to AngleCosC & -AngleSinC but at U and V point location) and
256        compute them in S/R CALC_GRID_ANGLES.
257    o pkg/seaice: replace a hard coded parameter by a runtime parameter
258        SEAICE_JFNK_tolIter
259    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
260        preconditioner for JFNK (run LSR into the overlaps as far as possible,
261        i.e OLx/y-2, but overwrite the solution in the overlaps)
262      - extend loop range in seaice_calc_viscosity
263      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
264      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
265      - slightly modify loops in tridiagonal solver lsr-preconditioner
266      - by default remove the extra exchange in seaice_preconditioner with a
267        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
268      - modify offline_exf_seaice so that old results without RAS are reproduced
269        for output.dyn_jfnk.txt
270      in seaice_fgmres.F (unrelated to RAS)
271      - add a cpp-flag option for a re-ordered mapping (potentially more
272        efficient), but because this changes the results, turn it off by
273        default
274      - replace the save statement by local common blocks
275    o utils/matlab:
276      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
277      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
278        instead of local script "load_cs.m".
279    o pkg/seaice:
280      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
281        to the scalarProductMetric and the unrolling. By chance this does not
282        change the verification experiment, because of the particular domain
283        decomposition
284    o pkg/diagnostics:
285      - change default missing_value from UNSET_RL to -999.
286    o pkg/layers: improve vectorization of layers_fluxcalc.F
287      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
288        time spent in this routine by more than a factor of 3 on an NEC-SX8
289      - step 2: replace search algorithm by a bisection algorithm found in
290        Press et al. Numerical Recipes in Fortran. This algorithm can be
291        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
292        For now, use this algorithm only for TARGET_NEC_SX defined.
293      - moved the search algorithm into a separate subroutine, that is kept
294        within the same file for automatic inlining.
295      - modified catching potential errors
296    o pkg/ecco:
297      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
298    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
299      - modifications for ALLOW_GENTIM2D_CONTROL
300      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
301      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
302      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
303      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
304    o model/src:
305      - account for moist thermodynamics in (dry) potential temperature equation;
306        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
307        and cpl_aim+ocn.
308      - also switch to standard compiler (gfortran, was using ifort previously)
309        for fizhi-cs experiments reference output.
310    o pkg/ctrl:
311      - 1st step toward generic time-varying control variable (2D) via CPP option
312        ALLOW_GENTIM2D_CONTROL
313      - note new namelist ctrl_nml_genarr in data.ctrl
314    o verification/global_ocean.cs32x15:
315      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
316        thsice calling sequence and update "output.icedyn.txt" output file.
317    o pkg/ptracers:
318      - from Ryan A.: code to allow to restart a tracer at regular time interval
319        specifying a reset frequency and a reset-phase (for each tracers).
320    o pkg/thsice:
321      - implement new sequence of calls for thsice+seaice:
322          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
323          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
324      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
325        in CPP_OPTIONS.h) to recover old sequence;
326      - update diagnostics for Intermediate State thsice diagnostics: now filled
327        just before advection (instead of just after advection in old sequence);
328      - update output of experiment offline_exf_seaice (standard test);
329      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
330        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
331    o pkg/aim_v23:
332      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
333      - use standard pkg/mdsio routines to read & write CO2 pickup file;
334      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
335      - Implement new sequence of calls for seaice advection (with thsice and
336        seaice diffusion): do ice advection after ice-Thermodynamic (previously
337        was done before); change aim_do_physics.F (split the bi,bj loops block);
338      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
339    o pkg/thsice:
340      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
341        where just seaice diffusion is used without seaice-dynamics.
342    
343    checkpoint64c (2013/01/18)
344    o pkg/seaice:
345      - add a parameter JFNKres_tFac that can replace JFNKres_t
346        (= JFNKres_tFac*JFNKresidual before JFNK solver)
347      - add a line search option to the JFNK solver
348      - move update of u/vIce and computation of initial residual into a separate
349        routine (same file); makes the code a little easier to read (?)
350      - the line search requires computation of the residual and for some reason
351        I cannot do the update of u/vIce at the beginning of the Newton loop
352        without changing the results, so we move computation of the new residual
353        also to the end of the Newton loop, even without the line search
354    o pkg/mdsio:
355      - write missing value (corresponding to undefined array value) to meta files;
356        skip this if missing value is one (UNSET_RL would be a better value for the
357        case of undefined missing value but it's current the default missing-value);
358        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
359    o pkg/exf & thsice:
360      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
361        diagnostics) even when SHORTWAVE_HEATING is #undef;
362    o verification/cfc_example:
363      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
364        illustrate how to use it).
365    o verification/offline_exf_seaice:
366      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
367        files to only one time-record.
368      in input.thermo: narrow the 2 bands of low initial ice-concentration near
369        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
370        snapshot output; same mcPheePiston value as in thsice with
371        surf-current=0.2m/s.
372      in input.thsice: similar set-up as in input.thermo (channel with same seaice
373        initial conditions).
374    o verification/cfc_example:
375      - update file "data" with more standard choice (default rotationPeriod,
376        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
377        set deltaTFreeSurf to deltaTtracer) and update the output.
378    o pkg/layers:
379      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
380      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
381    o verification/offline_exf_seaice:
382      - set all {field}period to zero for constant-in-time forcing (not tested
383        anywhere else).
384    o verification/offline_exf_seaice:
385      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
386      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
387    o model/src:
388      - implement Finite-Volume method for (hydrostatic) presure gradient
389        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
390    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
391      - In order to be compatible with the default EVP code, this requires changing
392        the EVP code around a little; and because any small change immediately
393        breaks the lab_sea.hb87 verification experiment, the reference output is
394        updated two times (each time the remaining aggrement was only 2 digits):
395        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
396        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
397        The adjoint test lab_sea.evp also needed to be updated.
398      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
399        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
400        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
401        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
402        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
403        kept obscure, because I need to test it a little more.
404    o pkg/cheapaml:
405      - fix few incorrect type (_RL/_RS) in subroutine calls.
406    o pkg/seaice:
407      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
408        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
409    o model/src:
410      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
411        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
412        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
413    o pkg/cheapaml:
414      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
415        update output of experiment cheapAML_box.
416      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
417        and set them only in one place (cheapaml_readparms.F).
418      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
419      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
420        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
421    o model/src/the_main_loop.F:
422      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
423    o pkg/seaice:
424      - remove legacy branch code.
425      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
426    o verification/*/code*/SEAICE_OPTIONS.h:
427      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
428        SEAICE_CAP_HEFF).
429    o pkg/cheapaml:
430      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
431        to load new forcing fields.
432      - add missing "_d 0" where it's needed; + some editing (improve indentation).
433      - remove switch to "-r8" compiler option (no longer needed) in verification
434        cheapAML_box, keep same output (small trucation error differences).
435    o verification/offline_exf_seaice:
436      - add thermodynamics only test.
437    o verification/cheapAML_box:
438      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
439        keep same output (same 14 digits for cg2d).
440      - switch on "-r8" compiler option (some numerical values are missing
441        the "_d 0") and update output (only 6 digits for cg2d were preserved).
442    
443    checkpoint64b (2012/12/24)
444    o pkg/cheapaml:
445      - remove un-used variables (Qnet,EmPmR) from pickup files.
446      - store tendency of advected variables into cheapaml pickup file
447        and fix the AB-2 restart.
448    o verification/offline_exf_seaice and lab_sea adjoint:
449      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
450      - switch to 4 time steps in offline, consistent with lab_sea.
451      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
452      - update results after change of experiment seaice.
453    o pkg/seaice:
454      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
455        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
456        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
457        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
458    o model/src:
459      - add run-time parameter to select CG2D solver minimum-residual solution
460        (in case of a poor convergence).
461    o pkg/seaice/seaice_lsr.F
462      - move calculation of matrix coefficients into new
463        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
464        file; the main purpose of this change is to be able to reuse the code
465        in S/R SEAICE_PRECONDITIONER
466      - modify the computation of the residual so that the mass of sea-ice
467        is not used twice; this simplifies the calculations, but since
468        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
469        not tested in testreport---this does not affect the testreport results.
470    o verification/seaice_obcs:
471      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
472        verification/lab_sea/input.salt_plume; changes results/output.txt*
473    o model/src:
474      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
475    o pkg/seaice:
476      - improve description of parameters in seaice_fgmres.F and start
477        cleaning up the code
478      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
479        second argument
480      - add a metric based on grid cell area to SEAICE_SCALPROD; update
481        results of offline_exf_seaice.dyn_jfnk
482      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
483    o pkg/aim_v23:
484      - fix an other bug in dissipation heating (grid-cell area was missing).
485    o model/src + pkg/seaice:
486      - add global (multi-tile) linear solver for pair of tri-diagonal system
487        along X and Y lines, respectively for U and V component.
488        Note: 1) MPI and cube-exchange not yet coded.
489            2) probably not accurate for poorly conditioned / large size problem.
490      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
491        default: not compiled and not used.
492    o pkg/seaice:
493      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
494        introduce bi/bj loops and use global_sum_tile_rl instead of
495        mpi_allreduce in seaice_fgmres.F
496      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
497      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
498      - add a verification experiment for JFNK in offline_exf_seaice
499    o verification:
500      - change (for now, only fwd test) offline_exf_seaice experiment:
501        use a re-entrant channel with idealized coastline (trapezoidal shape)
502        at southern boundary to explore seaice dynamics and thermodynamics
503        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
504        secondary test (input.thsice) use thermodynamics only with SST relaxation.
505      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
506    o pkg/exf:
507      - disable "sstExtrapol" when Nr=1
508    o verification:
509      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
510        to test pkg/cheapaml.
511    o pkg/aim_v23 & pkg/shap_filt:
512      - fix dissipation heating (erroneous gravity multiplication factor).
513    o pkg/seaice:
514      - remove unused field pressPre from jfnk solver
515      - rename two subroutines in seaice_preconditioner.F
516    o eesupp/src:
517       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
518    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
519       - remove wrong parts of the rhs and the lhs (were in there
520         because I did not understand the concept of this preconditioner)
521       - add an exchange between u- and v-sweep. This increases communication
522         by a factor of two but improves the convergence of jfnk. Ideally,
523         one would like the u- and v-sweep to be independent. So far within
524         undocumented ifdefs
525       - reorganize the extra computations for printing the residuals
526    o tools/genmake2:
527      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
528        since it's not necessary (and was preventing to use MNC in some cases).
529    
530    checkpoint64a (2012/11/16)
531    o pkg/autodiff:
532      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
533        autodiff_readparms.F no longer depends on calling order (within
534        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
535        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
536        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
537    o pkg/obcs:
538      - adding tidal velocity forcing capability to obcs
539        for usage example, see verification/seaice_obcs/input.tides
540    o pkg/seaice:
541      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
542        SEAICE_LSRrelaxU/V
543      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
544    o pkg/aim_v23:
545      - implement heating from friction (bottom friction and stratospheric drag).
546    o pkg/shap_filt:
547      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
548        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
549    o model/src:
550      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
551        time-constant addMass field from file (addMassFile);
552      - support for heating due to friction (and Kinetic Energy dissipation):
553        add option, run-time switch and 3-D field array + support code ; each pkg
554        or S/R can add heating contribution (if there is a sink of KE); the sum is
555        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
556    o pkg/seaice:
557      - complete merge of ITD code into seaice_growth.F
558        from MITgcm_contrib/torge/itd/code/
559        no verification so far, but Torge Martin tested
560        "1-D test case and Beaufort set up;
561        deliver okay results after 1 model year."
562      - complete merge of SEAICE_SIZE.h into all relevant routines
563      - move computation of eta at Z-points into calc_viscosities
564        + introduce global field etaZ
565        + add different methods for computing etaZ, for now the old
566          method (simple averages of eta to Z-points) is hardwired
567        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
568          seaice_preconditioner
569      - simplify computations for SEAICE_ZETA_SMOOTHREG
570      - seaice_preconditioner:
571        + replace one remaining press by pressLoc (mistake)
572        + adjust printing of residuals
573      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
574        + add (SEAICE.h) and rename some counters (initiliased in
575          seaice_init_fixed.F)
576        + add _BEGIN/END_MASTER (myThid)  around print statements
577        + print total number of iterations and failures over SEAICE_monFreq
578          interval to STDOUT
579      - move control over output-messages by fgmres to seaice_jfnk to save
580        some operations
581      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
582        in order to make restarts with sol .ne. zero (fgmres with restarts)
583        (seaice_jfnk.F, seaice_fgmres.F)
584      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
585        a serious convergence problem when open boundaries are involved
586    o pkg/ggl90: fix computation of control volumes for the case of
587      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
588      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
589    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
590    o pkg/autodiff
591      - Add inAdMode switch for SEAICEuseDYNAMICS:
592        SEAICEuseDYNAMICSinAdMode
593        (extend logic in ADAUTODIFF_INADMODE_SET)
594    o pkg/seaice
595      - Step 1 of merging ice-thickness distribution (ITD) code from
596        MITgcm_contrib/torge/itd/ (author: Torge Martin)
597        The code implements concept laid out in Thorndike et al. (1975);
598        code is enabled via CPP flag SEAICE_ITD
599        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
600        code is not complete yet!!
601      - SEAICE_SIZE.h now included in almost all seaice routines
602    o verification (using seaice):
603      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
604        global_ocean.cs32x15.seaice ; update results.
605      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
606      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
607        offline_exf_seaice (previously compiling B-grid).
608    o pkg/exf:
609      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
610        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
611        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
612    o pkg/layers (adjust changes from Sept 19):
613      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
614        this allows to remove "layers_maxNum" dimension from all layers arrays.
615    o pkg/layers (adjust changes from Sept 19):
616      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
617      - snap-shot extended to all type of layers (not just the 1rst type);
618      - remove layers variables when corresponding CPP option is undef.
619    o pkg/layers:
620      - rename pkg/layers variable and add new output (layer exist & un-weighted
621        velocity in layer)
622    o pkg/seaice:
623      - simplify (?) ocean-drag coefficent computations by using
624        the same routine in all three solvers (saves some code lines)
625      - remove global fields DRAGA and DRAGS from C-grid code and
626        declare them locally in lsr.F (the only place where they are
627        still used)
628      - update AD output of lab_sea.evp (very sensitive anyway).
629    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
630      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
631      and SEAICEuseJFNK=.true. A few things to note:
632      - involves a FGMRES, that is parallel but very inefficient,
633        because of many scalar products (global sums) in the Gram-Schmidt
634        orthogonalization method. Needs to be replaced. Original code
635        from J.-F. Lemieux
636      - preconditioner for FGMRES is a stripped down version of LSOR
637      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
638        preconditioner. For the preconditioner, the default is set to 10.
639      - Jacobian times vector is computed with finite differences
640      - marginally related to JFNK-solver: add a smooth regularization for
641        zeta with tanh that will improve convergence (Lemieux and Tremblay,
642        2009) for any implicit solver (not implemented for EVP because EVP
643        does not need this regularization in the first place). Define
644        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
645    o eesupp/src:
646      - check in genmake2 that intrinsic S/R flush is available.
647      - add S/R to flush IO unit (if intrinsic S/R flush is available)
648      - flush standard & error msg unit before MPI termination
649      - if debugMode, flush IO unit after printing msg
650    o pkg/ctrl:
651      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
652        to ctrl_set_unpack_xyz.
653    
654    checkpoint64 (2012/10/09)
655    o pkg/shelfice
656      - in mom_fluxform.F, mom_vecinv.F:
657        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
658        Bug fix KappaRU -> KappaRV
659        does not change verification/isomip but may change other setups
660        (presumably constant KappaRU=KappaRV)
661      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
662    o pkg/obcs:
663      - fixed some indexing bugs in obcs_seaice_sponge.F
664      - added obcs relaxation subroutines for HSALT and HSNOW
665      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
666    o pkg/seaice:
667      - add "multicategory" parameterization for snow in analogy to ice,
668        default is off for now.
669    o pkg/obcs:
670      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
671        see verification/seaice_obcs/input.seaiceSponge for example application.
672      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
673        index setting by master-thread. This fix multi-threads Pb in previous modifs.
674    o pkg/layers :
675      - add diagnostics to pkg/layers
676      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
677        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
678    o pkg/generic_advdiff/gad_implicit_r.F :
679      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
680    o pkg/seaice/seaice_growth.F:
681      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
682    o pkg/obcs:
683      - change default setting of OBCS_UVICE_OLD from defined to undef;
684      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
685        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
686      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
687      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
688        with Southern & Western OB at a tile edge (at least in a simple set-up).
689    o pkg/obcs:
690      - change settings of OB index in case OB coincides with tile edge (shared by
691        2 tiles), so that common OB location is registered by both tiles (instead of
692        only 1). However, for Southern and Western OB, index value = 0 is not
693        recognized as valid OB index (=default null value) and needs to be fixed.
694      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
695      - new parameter "OB_indexNone" for null index value (for now, still zero)
696        to replace hard-coded null index value of zero.
697    o pkg/exch2:
698      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
699        always check buffer-size (but outside the loop); move checking for valid
700        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
701        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
702    o pkg/ctrl (pack & unpack):
703      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
704        (locally defined) for different variables (+ remove the variable-specific
705        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
706        (to be extended to other local file names in ctrl.h).
707    o pkg/flt:
708      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
709    o pkg/mdsio:
710      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
711    o tools/genmake2:
712      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
713        (added by Alistair in version 1.51 for building without make depend);
714      - remove Header files list (H_SRC_FILES) from the dependence of targets
715         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
716        place in version 1.23): this save going through staf when unrelated header
717        file has been modified.
718       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
719        "make depend" step, still need to do "make links" before "make adtaf".
720    o eesupp/src (+ few pkg src files) & genmake2:
721      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
722      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
723      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
724         upper/lower case ; account for space between "#" and undef/define)
725    o pkg/flt (with exch2):
726      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
727      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
728    
729    checkpoint63s (2012/09/05)
730    o pkg/ecco:
731      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
732      - add more relevant #ifdef ALLOW_SMOOTH ones.
733      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
734    o pkg/ctrl:
735      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
736        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
737      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
738        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
739        ctrlSmoothCorrel3D (new).
740        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
741      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
742      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
743        controls when useAtmWind, and vice versa.
744      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
745      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
746          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
747      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
748          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
749      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
750        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
751    o pkg/smooth:
752      - remove un-necessary includes.
753      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
754        Those CPP options were never defined, and not necessary.
755    o model/src:
756      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
757      - standard treatment of useSMOOTH.
758    o pkg/autodiff:
759      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
760        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
761    o pkg/exch2:
762      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
763        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
764      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
765        and tiles to process mapping.
766      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
767        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
768        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
769        from w2_eeboot.F to w2_readparms.F.
770    o eesupp/src:
771      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
772        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
773        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
774      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
775        is defined (remove condition on usingMPI) to match cases where MPI_INIT
776        has been called.
777      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
778      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
779        (so that on 1 proc, get same myPid independently of usingMPI)
780      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
781        useCubedSphereExchange with EXCH-1 (safer).
782      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
783    o pkg/ggl90:
784      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
785        used in ALLOW_GGL90_SMOOTH code.
786    o pkg/flt:
787      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
788        floats at the Southern end of the domain).
789    o eesupp/inc:
790      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
791        but not used (and not to be used) anywhere, just for documentation.
792    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
793      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
794        a) can damage previously written records in any other multi-record files.
795        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
796    o tools/genmake2:
797      - define variable MAKE within Makefile and use it in place of 'make';
798      - update AD_CONFIG.h (if needed) before building any of the executable
799        (forward, adjoint or tangent-lin); this involves a 2nd invocation of make;
800        and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
801      - always print usual warning comment 'this file is automatically generated'
802        from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
803    o pkg/cheapaml:
804      - updated to correspond to the code used in accepted paper (Nico Wienders).
805    o pkg/exf:
806        added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
807        ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)
808        and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).
809    o pkg/exf, autodiff, ctrl, ecco and seaice:
810        remove ALLOW_ATM_WIND brackets, or replace them with useAtmWind ones.
811    o pkg/ctrl, ecco:
812        allow to compile both ALLOW_U/VSTRESS_CONTROL and ALLOW_U/VWIND_CONTROL.
813        Depending on useAtmWind, one is inactive, and the other is active (see
814        exf_getffields.F/exf_getsurfacefluxes.F).
815    o tools/genmake2:
816      - improve error msg when failing in 2nd test of check_for_broken_Ff
817      - fix option '-makefile' short-name (-mf according to genmake2 -help)
818      - source local config file "genmake_local" just after processing the genmake2
819        command arguments (previously done before processing arg).
820    o pkg/grdchk:
821      - add a call to TURNOFF_MODEL_IO for Tangent-Linear run (in this case, call
822        to this routine from cost_final has been dropped in g_cost_final)
823      - improve printed information (more explicit msg, no longer using "print *,"
824         fix fcpertminus printed value).
825    o model/src:
826      - move call to COST_INIT_VARIA out of packages_init_variables.F directly
827        into initialise_varia.F (just after calling PACKAGES_INIT_VARIABLES):
828        this prevents getting cost-funct reset in adinitialise_varia recomputations.
829    o pkg/dic:
830      - move initialisation of "freefe" array from from dic_biotic_forcing.F to
831        fe_chem.F: this prevents TAF from dropping this initialisation in TLM code.
832    o pkg/grdchk:
833      - grdchk_main.F : added CALL GLOBAL_SUM_INT( ierr , myThid )
834      - grdchk_getadxx.F etc. : omit I/O if ierr.EQ.0
835    o pkg/autodiff/ctrl/grdchk :
836      - attempt to sort out what works and what does not,
837        with regard to I/O, and to warn/stop accordingly.
838    o pkg/grdchk:
839      - attempt to fix grdchk in the case of useSingleCpuIO.
840      - "if ( myProcId .EQ. grdchkwhichproc .AND. ierr .EQ. 0 )"
841       statements were moved from grdchk_main.F and into
842       grdchk_getadxx.F grdchk_getxx.F grdchk_setxx.F.
843      - a global sum is applied to record numbers icvrec/layer
844       out of grdchk_loc so that they be passed to I/O routines.
845    o pkg/smooth:
846      - fix recomputation that appeared with nlfs : use smooth_recip_hFacC,
847        smooth_hFacW, smooth_hFacS (copied at init_fixed) in 3d case.
848    o verification/testreport:
849      - add option '-tlm' for Tangent-Linear test (-adm,-oad,-tlm are all exclusive);
850      - can also use compressed (gzip) reference output file;
851      - change format (in pkg/grdchk) of TLM output (+ add forward gradient)
852        to be easier to collect by testreport.
853      - update existing TLM output (half out-of-date by more than 3 yrs).
854      - report NETCDF & LAPACK settings (from genmake2) in output dir.
855      - report run-time in each individual summary (previously only for AD test);
856        for TLM test, add also TAF version.
857      - add daily TLM test on (old) aces cluster + weekly test on baudelaire.
858    
859    checkpoint63r (2012/08/15)
860    o tools/genmake2:
861      - fix Makefile for target ftlall (+ update files to clean after make ftlall)
862    o pkg/ecco/ecco_cost_final.F :
863      - fix fc print statements (to stdout and costfunction0000) so
864        that the printed value is always after the global sum.
865    o pkg/seaice/seaice_dynsolver.F :
866      - fix ice strength assymptote at SEAICE_area_max<1
867        (no change for the standard case of SEAICE_area_max=1)
868    o some cleaning:
869      - pkg source files: ensure that all *.F files from each pkg included the
870        corresponding ${PKG}_OPTIONS.h file (except stand-alone src file which
871        only includes CPP_EEOPTIONS.h); fix S/R CTRL_SMOOTH ; update AD experiment
872        code_ad/*.F src files; add new option-file in pkg/admtlm + corresponding
873        includes;
874      - model/src: add PACKAGES_CONFIG.h wherever ALLOW_AUTODIFF[_TAMC] is used.
875      - ALLOW_DIFFKR_CONTROL: add a stop in S/R CTRL_CHECK in case ALLOW_3D_DIFFKR
876        is undef; also define /DYNVARS_DIFFKR/ common block in DYNVARS.h when
877        ALLOW_DIFFKR_CONTROL is defined, to allow to compile and reach this stop.
878      - update option-file CPP_OPTIONS.h of all AD experiments:
879        * no longer include PACKAGES_CONFIG.h ;
880        * includes ECCO_CPPOPTIONS.h if PACKAGES_CONFIG.h has been included ;
881        * def/undef ALLOW_3D_DIFFKR independently of ALLOW_DIFFKR_CONTROL (before
882          including ECCO_CPPOPTIONS.h).
883    o pkg/cost, pkg/ctrl, pkg/ecco option-file:
884      - clean-up and split content of old pkg/ecco/ECCO_CPPOPTIONS.h file into
885        separated pkg option-file (done according to old doc from ECCO_CPPOPTIONS.h,
886        not necessary accurate).
887      - add a template for option-file ECCO_CPPOPTIONS.h, mostly empty, in
888        pkg/autodiff, i.e., the 1rst pkg to compile for adjoint built, with lines to
889        deliberately break compilation (a remainder that it needs to be customized)
890      - in pkg/ecco, includes ECCO_OPTIONS.h instead of COST_OPTIONS.h
891      - rename COST_CPPOPTIONS.h to COST_OPTIONS.h
892      - rename CTRL_CPPOPTIONS.h to CTRL_OPTIONS.h
893    o tools/genamke2:
894      - check for lapack.
895    o pkg/cost and pkg/ecco : attempt to sort out some of the limiting intricacies.
896      - pkg/cost.cost_final.F : allow for use of pkg/ecco and pkg/cost cost functions
897        jointly. The exclusive ifdefs were removed, to add costs terms (when defined)
898        from both packages.
899      - the fc global sum in pkg/ecco/ecco_cost_final.F was removed accordingly.
900      - for objf_atl we use either the pkg/ecco or the pkg/cost term depending on CPPs.
901      - pkg/ecco and model/src : add CPP brackets around pkg/cost and pkg/ctrl includes
902        of "CTRL_SIZE.h" "ctrl.h" "ctrl_dummy.h" "optim.h" / "cost.h" accordingly.
903    o pkg/cost : add comments to explain special and/or untested setups.
904    o pkg/exf:
905      - use EXF_OPTIONS.h to set pkg/exf options except if done in ECCO_CPPOPTIONS.h
906        (previously, ALLOW_AUTODIFF_TAMC was controling this switch).
907    o verification/*/code_ad:
908      mimimal cleaning of AD experiments ECCO_CPPOPTIONS.h option-file:
909      - reccord when this file is included (define ECCO_CPPOPTIONS_H)
910      - remove the most obvious obsolete features (e.g., #define ALLOW_COST not
911        allowed since Oct 2003 in any option-file except in PACKAGES_CONFIG.h)
912    o pkg/seaice :
913      - added possibility to change ice strength/PRESS0 relationship to
914        HEFF, according to the following run time parameters
915        SEAICEpresPow0 :: HEFF exponent for ice strength below SEAICEpresH0 (integer, >0)
916        SEAICEpresPow1 :: HEFF exponent for ice strength above SEAICEpresH0 (integer, >0)
917        SEAICEpresH0   :: HEFF threshold for ice strength            (m)
918    o pkg/ggl90 :
919      - added run time flag mxlSurfFlag to include the code that ensure
920        mixing between first and second level (previously included as a comment)
921    o verification/1D_ocean_ice_column/input_ad/data.autodiff :
922      - add test of newly added dumpAdByRec=T option where
923        we write all records to one file per variable.
924    o verification/global_ocean.cs32x15/code_ad/CPP_OPTIONS.h :
925      - switch to #define ALLOW_BALANCE_RELAX and ALLOW_BALANCE_FLUXES
926        to check that this code is ok with taf and compiles in adjoint.
927    o pkg/autodiff :
928      - added run time param dumpAdByRec : ad dump format switch.
929        If true then write all records to one file per variable.
930        Else write one file per record (remains the default).
931      - revise seaice_ad_dump.F and exf_adjoint_snapshots_ad.F accordingly.
932    o pkg/seaice:
933     - Added SEAICEuseTILT run time switch : if set to
934       false then omit the tilt term in seaice dynamics.
935     - Fix free drift calculation.
936    o pkg/shelfice:
937      When initializing SHELFICEDragQuadratic, set default to be
938      consistent with shiCdrag in case SHELFICEuseGammaFrict is used,
939      but retain option to set it independently
940      (inconsistenty spotted by Veronique Dansereau)
941    o eesupp/inc:
942      - in EEPARAMS.h, add real-type constant for some frequently used simple number
943         (0,1,2,1/2), with name explicitly referring to RS/RL type.
944    o model/src:
945      - move balancing of relaxation terms to new S/R balance_relax.F.
946    o pkg/autodiff:
947      re-write active I/O high-level (control) S/R:
948      - rename  S/R ACTIVE_READ/WRITE_RL to ACTIVE_READ/WRITE_3D_RL
949      - add 1 more argument (useCurrentDir) to replace the "_LOC" 2nd set of S/R.
950      - use standard pkg/mdsio I/O routines (MDS_READ/WRITE_SEC_XZ/YZ  and
951        MDS_READ/WRITE_FIELD); change loops to multi-threads.
952      - update and merge active_file_control_slice.flow into active_file_control.flow
953      - update the calls in lower level S/R (active_file.F, active_file_g.F and
954        active_file_ad.F) keeping the argument list and function unchanged.
955      - also update lower-level "_LOC" version (call same S/R with "useCurrentDir
956        =.TRUE.") and remove high-level (control) _loc version (not called anymore).
957      - new low-level active I/O routines, one for each type (RL/RS), for active var
958        of various (XY,XZ,YZ) shape and level number (arguments: arrShape, myNr);
959        fix ctrl_init_wet.F & ecco_cost_weights.F by calling the new S/R with the
960        right type.
961    o autodiff and RS=real*4:
962      - call the right type (_RS instead of _RL) of S/R in few output S/R (pkg/exf
963        ad-monitor and snapshots); disable arrType='RS' in mdsio_gl*.F ;
964      - change argument type of 3-D mask argument to _RS to match type in the call
965        (in seaice_cost*.F, ctrl_*_gen.F and *ctrl_bound.F); to be continued.
966    o pkg/thsice:
967      - re-anable balanceEmPmR when useSEAICE=T with useThSIce=T.
968      - option to correct ocean fresh-water flux for imbalance of Atmos+Land
969        fresh-water flux: uniform correction or proportional to local precip.
970    o pkg/ctrl:
971      - new header file CTRL_SIZE.h for parameters maxCtrlArr2D, maxCtrlArr3D
972      - redefine CPP option ALLOW_BOTTOMDRAG_CONTROL to
973                            ALLOW_BOTTOMDRAG_CONTROL_NONGENERIC
974      - verification/hs94.1x64x5/ tests ALLOW_GENARR{2D,3D}_CONTROL
975    
976    checkpoint63q (2012/07/30)
977    o pkg/autodiff:
978      note about monitor and snap-shot of ad-variables:
979      a) need to apply ADEXCH before monitor or output of ad-vars to include
980       overlap contributions (was done for adjDump but missing for monitor).
981      b) since ADEXCH implies adding overlap values to interior array, machine
982       truncation error is expected when adding an ADEXCH call in the middle of
983       the time-stepping (although mathematically identical).
984      modifs:
985      - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
986        declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
987      - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
988        apply ADEXCH before monitor or snap-shot of ad-variables:
989           =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
990      - implement new method (copy+adexch) for snap-shot and monitor of main model
991        ad-vars (initially not used by default -> output unchanged).
992      - change default (set to 2) to use new method and update few output_adm.txt
993        with accurate ad-monitor (global_ocean.90x40x15, tutorial_global_oce_biogeo
994        and both tutorial_tracer_adjsens tests).
995      - switch 2 global_ocean.cs32x15 AD-tests to AB-2 (seaice_dynmix & thsice)
996        and turn off momDissip_In_AB in the 2 other (needed for stable AB-3).
997    o pkg/ctrl:
998      enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
999      generic control variables via
1000      #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
1001      Only required customization should be S/R ctrl_map_ini_genarr.F
1002      (routine in repository contains example)
1003    o pkg/exf:
1004      - fix and refine checking of surface-relaxation setting when using EXF
1005    o verification (adjoint exp):
1006      - reduce length of simulation by half for experiment global_ocean.cs32x15
1007        (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
1008    o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
1009      - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
1010        of KE that can occur with aggressive optimization
1011      + put quadratic bottom drag calculation in separated loops (only done if
1012        using bottomDragQuadratic)
1013    o model/src: CG2D_NSA
1014      - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
1015         and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
1016      - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
1017         change cg2d residual target to be expressed in Wunits (=> do not normalise
1018         RHS ; this fix global_max Pb with TAF); update output.
1019    o verification/tutorial_tracer_adjsens:
1020       improve parameter consistency (and get rid of warnings):
1021       - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
1022       - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
1023       - use staggerTimeStep (for stability) in som81; use default rotation period.
1024    o pkg/exch2:
1025      - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
1026        reset to 0 = 1 long line in X)
1027    o pkg/mdsio:
1028      - fix reading of dimensions from meta file for large-size domain
1029    o model/src:
1030      - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
1031      - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
1032        Cubed-Sphere Exch with CS-corners inside the domain;
1033        make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
1034        globalArea and to set hasWetCSCorners.
1035      - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
1036        metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
1037      - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
1038        useCDscheme and useCubedSphereExchange).
1039    o pkg/seaice/seaice_growth.F :
1040      - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
1041        for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
1042        when the previous code was not correct.
1043      - in all cases diagnoze the boundary condition mismatch to SIaaflux
1044      - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
1045        that term to QNET (essentially to set the melt/freeze water to 0degC).
1046        when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
1047    o verification/global_ocean.cs32x15/input.seaice :
1048      - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
1049      - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
1050      - update results (output.seaice.txt) accordingly.
1051    o verification/lab_sea/input/data.seaice :
1052      - remove SEAICEheatConsFix, which is now be tested
1053        in global_ocean.cs32x15. The presently coded fix
1054        is only consistent with real fresh water + nlfs.
1055      - update results (output.txt) accordingly.
1056    o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
1057    o AD_CONFIG.h file:
1058      - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
1059      - remove #include "AD_CONFIG.h" from all included OPTIONS files and
1060        add it explicitly in each fortran src file where it is needed.
1061        motivation: header file AD_CONFIG.h is generated/modified after "make depend"
1062        thus introducing potentially wrong dependency; therefore, better to include
1063        it only where it's really needed, and after any other included OPTIONS file
1064        (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
1065        or ALLOW_TANGENTLINEAR_RUN).
1066    
1067    checkpoint63p (2012/07/06)
1068  o pkg/autodiff:  o pkg/autodiff:
1069    - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;    - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
1070    - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters    - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
# Line 20  o verification/tutorial_tracer_adjsens/ Line 1081  o verification/tutorial_tracer_adjsens/
1081        multiDimAdvection=.TRUE.,        multiDimAdvection=.TRUE.,
1082        tempAdvScheme=81,        tempAdvScheme=81,
1083        saltAdvScheme=81,        saltAdvScheme=81,
1084    o model/src:
1085      - introduce ALLOW_BALANCE_RELAX which allow the removal
1086       of the global mean of relaxation terms by setting
1087       balanceThetaClimRelax and balanceSaltClimRelax
1088      - disable balanceEmPmR and balanceQnet in the case when useSeaice.
1089       This case is now treated appropriately in seaice_growth.F
1090    o pkg/seaice:
1091      - do balanceEmPmR and balanceQnet based on the net fluxes
1092        (SItflux) that enter the ocean+ice system rather than QNET
1093        and EMPMR. Works best in real fresh water.
1094      - SIatmFW, SIatmQnet, and SItflux computations had to be moved
1095        out of the diagnotics bloc, and stored in global arrays.
1096    
1097  checkpoint63o (2012/06/29)  checkpoint63o (2012/06/29)
1098  o vertical mixing schemes:  o vertical mixing schemes:

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