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revision 1.1805 by jmc, Fri Jan 11 00:13:43 2013 UTC revision 1.1901 by jmc, Thu Jul 25 01:12:45 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 Divided Adjoint (DIVA) with MPI:
8      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
9      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
10        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
11    
12    checkpoint64k (2013/07/23)
13    o tools/OAD_support:
14      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
15        and remove it from genmake2.
16    o tools/build_options:
17      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
18        MPI_HEADER_FILES list (let genmake2 find the missing headers)
19    o verification/halfpipe_streamice:
20      - change to driving stress formulation; update both Fwd & AD output.
21    o tools/genmake2 and Divided Adjoint with MPI:
22      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
23      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
24      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
25        Makefile, which is set by genmake2, and check which mpi-headers are needed.
26        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
27      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
28    o testreport:
29      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
30        perform additional runs (number of additional runs is "add_DIVA_runs" taken
31        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
32    o verification/lab_sea (AD test):
33      - change to test Divided Adjoint Run in this set-up (both standard AD test
34        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
35    o pkg atm_ & ocn_compon_interf:
36      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
37        staggerTimeStep implementation) and disable (retired) corresponding
38        parameter.
39    o pkg/offline:
40      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
41      - add S/R OFFLINE_CHECK to print offline parameter summary
42        and stop if loading a file that is not used;
43      - enable to calculate GMRedi tensor, KPP mixing and convective index
44        when the corresponding file(s) is/are not specified (but pkg is used).
45      - comment out resetting of monitorFreq (to endTime) since it still useful
46        for monitoring CFL numbers and checking offline fields.
47    o OpenAD:
48      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
49        smaller standard output) and generate new (smaller) output (on baudelaire
50        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
51    o model/src:
52      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
53        (where external_forcing_adjust was called) and change list of arguments;
54      - merge external_forcing_adjust.F into external_forcing_surf.F
55      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
56        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
57        previously in file "balance_relax.F", now removed); remove corresponding
58        arrays in FFIELDS.h.
59      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
60        a hack for getting back surfaceForcingS (loaded from file) when using
61        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
62      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
63        (was getting only 11 digits for AD-grad, due to different truncation
64         error in AD code).
65    
66    checkpoint64j (2013/07/04)
67    o pkg/offline:
68      - to enable the use of other features with pkg offline (e.g., obcs),
69        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
70      - comment out "allowFreezing" (now active) in 2 offline testing exp.
71    o pkg/exf ALLOW_RUNOFTEMP
72      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
73      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
74      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
75    o pkg/atm_phys:
76      - allows to add some damping on uVel,vVel (strength only function of k).
77    o verification, ad-tests:
78      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
79        global_ocean_ebm and offline_exf_seaice.thsice.
80    o verification/halfpipe_streamice:
81      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
82        flux input boundary conditions to be ignored; a fix for this bug changed
83        verification results for forward test.
84      - add adjoint test.
85    o pkg/ptracers:
86      - allow to restart without SOM pickup (resetting SOM to zero).
87    o pkg/gmredi:
88      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
89      - It uses mixing length theory and suppression by steering level effects to
90        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
91        to JPO, for more details).
92      - It also uses the diffusivity to calculate an eddy induced streamfunction
93        based on a PV closure (rather than a buoyancy closure as in GM).
94      - New files added to pkg/gmredi:
95        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
96          induced overturning streamfunction (called from gmredi_calc_tensor)
97        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
98          for use in gmredi_k3d
99        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
100          the eddy diffusivity
101    
102    checkpoint64i (2013/06/18)
103    o pkg/cheapaml:
104      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
105        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
106        with pkg/cheapaml.
107    o utils/python: add subpackage for cubed sphere function, first example is
108        simple cs.pcol to plot 2D fields on a map
109    o pkg/streamice:
110      - This is a new package in MITgcm, which solves dynamic equations for ice
111         sheets and ice streams
112      - At the moment it is independent of atmosphere/ocean dynamics, or any
113        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
114        ed that this will change)
115      - There is a new verification exercise that tests it, halfpipe_streamice,
116        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
117        rectangular embayment
118      - halfpipe_streamice is forward-only for now, will have TAF test soon
119      - for questions, email dgoldber@mit.edu
120    o pkg/thsice:
121      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
122        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
123      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
124         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
125      - allow precip from pkg/cheapaml to make snow over seaice.
126    o pkg/cfc:
127      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
128      - remove atmos CFC 2-D arrays from common bloc (now local variables)
129      - change some hard-coded constant to run time parameter for reading and
130        and interpolating atmospheric CFC ; keep same default as previously.
131      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
132      - put arguments in standard order: myTime, myIter, myThid
133      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
134        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
135      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
136      - new routine to print summary of CFC params and check for consistency.
137    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
138      similar to thsice_advdiff.
139      Note that for the B-grid case the routine parameters uc/vc are overwritten.
140    o pkg/cfc:
141      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
142        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
143      - fix interpolation of atmphspheric CFC between Sorthern and Northern
144        hemisphere value.
145    o pkg/seaice:
146      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
147    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
148                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
149      - requires an additional time level that is stored in the pickup
150      - you can start with AB2 from a pickup without this time level with
151        pickupStrictlyMatch = .false.
152    
153    checkpoint64h (2013/05/26)
154    o pkg/cheapaml:
155      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
156        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
157      - consistent treatment of uWind,vWind location: assume everywhere in
158        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
159        (Note: was already the case for Tair,Qair advection);
160        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
161      - compute diabatic forcing only in the interior (excluding overlap regions)
162      - fill in array "Qsw" (for short-wave heating);
163      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
164        before any update (consistent with MITgcm state var diagnostics);
165      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
166        non periodic ; + adjusted for uWind,vWind (C-grid).
167    o pkg/seaice:
168      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
169        add explicitly pkg/exf in experiments that currently use pkg/seaice.
170      - allows to compile pkg/seaice without pkg/exf.
171    o tools/OAD_support:
172      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
173        of array "ourStepOf" in function rvNextAction (revolve.F90).
174    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
175      - change pkg name (to be used with other atmospheric physics pkg)
176        but by-pass CVS when making the new pkg so that we keep the CVS history.
177    o pkg/offline:
178      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
179        (previously called from pkg/dic_surfforcing_init.F)
180    o model/src:
181      - re-order sequence of calls within packages_init_variables.F, using
182        standard order, except for:
183         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
184         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
185    o new pkg: atm_phys
186      - add entry point and source code (previously in contrib
187          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
188        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
189      - re-order sequence of calls within packages_readparms.F,
190         packages_init_fixed.F and packages_write_pickup.F
191        (but skip packages_init_variables.F because of TAF issues).
192      - update contrib/*/atm_gray/ experiment.
193    o pkg/seaice (ITD code):
194      - simplify and fix the writing of pickup-files for ITD case
195    o pkg/seaice (ITD code):
196      - introduce floe size dependent lateral melt for ITD case;
197      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
198      - update seaice_itd experiment main output.
199    o pkg/thsice:
200      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
201        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
202        changed accordingly pkg/atm2d.
203    
204    checkpoint64g (2013/05/01)
205    o pkg/exf ALLOW_RUNOFTEMP
206      - if defined,  river and glacier runoff temperature can be read-in from
207        runoftempfile; runoftempfile needs to have same format as runofffile
208    o pkg/thsice (& pkg/bulk_force):
209      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
210        for energy content of Precip + RunOff & Evap (like with pkg/exf).
211      - change computation domain to always be the interior (without overlap).
212      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
213    o verification/tutorial_global_oce_biogeo:
214      - add preliminary OpenAD setup (still has problems)
215    o pkg/seaice:
216      - turn some parameters for choosing the convergence criterion of
217        the inexact Newton method (JFNK) into runtime parameters for convenience
218      - clean up seaice_calc_viscosities.F: remove/retire two options for
219        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
220        the results of lab_sea/input because a division has been replaced by
221        a multiplication with the reciprocal (sumNorm)
222      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
223        convergence of solver (changes results, of course), and to test some
224        new features
225    o model/src:
226      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
227      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
228      - move forcing adjustment (balancing surface forcing) in specific S/R
229        where might also be applied exchanges (if needed) to forcing arrays.
230    o pkg/shelfice:
231      - allow to specify the Ice-Shelf mass per unit area (instead of
232        shelficeLoadAnomaly) and do the conversion from one to the other
233      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
234        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
235        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
236        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
237      - update isomip experiment forward output (get machine truncation error
238        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
239    o verification/offline_exf_seaice:
240      revise data.seaice in input.thermo and input_ad and update results accordingly
241        HO = 0.2, SEAICE_areaLossFormula = 2,
242        SEAICE_growMeltByConv = .TRUE.,
243        SEAICE_doOpenWaterMelt = .TRUE.,
244      Improve consistency with input.thsice and fix the spurious 500m ice corners
245    o verification/global_ocean.cs32x15:
246      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
247        in icedyn (thsice+seaice-dyn) test and update output.
248    o verification/offline_exf_seaice:
249      - adjust list of tested variables (with testreport) and update
250        standard test output with better slection of monitored fields.
251    o pkg/cd_code:
252      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
253        experiment lab_sea.hb87
254    o tools/genmake2:
255      - change default makedepend from the system default to tools/xmakedepend:
256        When no makedepend is specified, select tools/xmakedepend it the test pass,
257        otherwise select the system default (if exist and pass the test) or
258        try to build cyrus-makedepend ; stop if none of the 3 works.
259    o pkg/exf & pkg/thsice:
260      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
261        for energy content of Precip + RunOff & Evap. Assumes:
262       1) Rain has same temp as Air.
263       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
264       3) Run-Off comes at the temp of surface water (with same Cp)
265       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
266        put directly into Latent Heat flux & should use water-vapor heat capacity.
267       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
268        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
269    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
270        (compile when SEAICE_ALLOW_JFNK is defined)
271    o pkg/thsice:
272      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
273        implementation): move THSICE_AVE call after the advection (called directly
274        from thsice_do_advect.F).
275    o verification/global_ocean.90x40x15 and OpenAD:
276      New experiment for OpenAD is identical to the one in input_ad except that
277        multiDimAdvection=.FALSE.,
278      There is still an issue with this.
279    o pkg/thsice:
280      - account for ice velocity (ocean relative velocity) in turbulent heat flux
281        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
282        and offline_exf_seaice (main test).
283    
284    checkpoint64f (2013/03/31)
285    o verification/OpenAD:
286      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
287    o verification/isomip, pkg/shelfice and OpenAD:
288      - add OpenAD setup to this exp and make shelfice package work with OpenAD
289    o verification/tutorial_global_oce_biogeo:
290      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
291    o verification/offline_exf_seaice:
292      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
293    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
294      - add OpenAD setup to this exp and make ptracers package work with OpenAD
295    o pkg/seaice/seaice_evp.F:
296       mask the asymmetric contribution of the ice-ocean stress (when
297       the turningAngle is non-zero) over open water to avoid stripes
298       in the EVP-solutions after many EVP-substeps. This does not change
299       the verification experiment (because turningAngle=0 in that experiment),
300       but will affect other EVP solutions with turningAngle.ne.0
301    o verification, AD & TLM output:
302      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
303        additions and multiplications which affect results at machine truncation
304        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
305        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
306        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
307        digits of matching.
308    o pkg/seaice:
309       modify lsr-algorithm so that it vectorizes AND converges by using a
310       "zebra" method: split vector loop into two with step size 2; this
311       solves a general convergence problem for the JFNK solver on a vector
312       computer. It has the potential to even improve convergence for
313       non-vector machines, but it does change the results so it is turned
314       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
315       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
316    
317    checkpoint64e (2013/03/05)
318    o pkg/ecco and several verification experiments:
319       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
320       from ecco package, and revert to unified routine in model/src/
321       Adjust verification experiments accordingly, especially gloal_oce_llc90
322       Should conclude long-standing work by Gael to reconsile the_main_loop with
323       ECCO and will enable OpenAD's revolve loop in ECCO setup.
324    o pkg/generic_advdiff:
325      - implement compressible flow method for multi-dim advection (similar to
326        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
327        TAF generates many recomputations) to use it; no yet coded with implicit
328        vertical advection.
329      - change experiment advect_cs (new output) and advect_xy (same output)
330        to test compressible flow multi-dim advection.
331    o pkg/generic_advdiff:
332      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
333        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
334    o pkg/seaice:
335      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
336        bug affects two verification experiments (lab_sea and lab_sea.hb87),
337        recover old (wrong) results by setting noSlipFac = 2. in
338        seaice_calc_strainrates.F;
339      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
340      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
341        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
342      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
343    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
344      - new subroutines seaice_lsr_tridiagu/v
345      - introduce loop bounds i/jmin/max to be able to use a restricted
346        additive Schwarz method, but not used for now.
347      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
348      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
349    o OpenAD support
350       Reorganize S/R call for overall time-stepping loop to facilitate
351       OpenAD revolve loop replacement
352       (new S/R main_do_loop.F)
353    o model/src:
354      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
355      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
356        ADAMS_BASHFORTH2.
357    o pkg/cheapaml:
358      - add new parameter (default=F, same as before) to disable full domain
359        (including land) periodicity in X & Y dir.
360      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
361        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
362        into single S/R CHEAPAML_TIMESTEP.
363    
364    checkpoint64d (2013/02/17)
365    o pkg/monitor (angular momentum):
366      - do not add Eta contribution to the total AM if using rigid-lid;
367      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
368      - horizontal discretisation: compute Zonal wind contribution separately for
369        each component (instead of from cell centered averaged) and use the 4
370        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
371      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
372        FreeSurf) if using vectorInvariant momentum.
373    o model/src (horizontal grid):
374      - move initialisation of all horizontal grid arrays to null value
375        from specific horizontal grid S/R to main S/R INI_GRID;
376      - add 2 new arrays to project model C-grid velocity on to zonal direction
377        (similar to AngleCosC & -AngleSinC but at U and V point location) and
378        compute them in S/R CALC_GRID_ANGLES.
379    o pkg/seaice: replace a hard coded parameter by a runtime parameter
380        SEAICE_JFNK_tolIter
381    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
382        preconditioner for JFNK (run LSR into the overlaps as far as possible,
383        i.e OLx/y-2, but overwrite the solution in the overlaps)
384      - extend loop range in seaice_calc_viscosity
385      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
386      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
387      - slightly modify loops in tridiagonal solver lsr-preconditioner
388      - by default remove the extra exchange in seaice_preconditioner with a
389        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
390      - modify offline_exf_seaice so that old results without RAS are reproduced
391        for output.dyn_jfnk.txt
392      in seaice_fgmres.F (unrelated to RAS)
393      - add a cpp-flag option for a re-ordered mapping (potentially more
394        efficient), but because this changes the results, turn it off by
395        default
396      - replace the save statement by local common blocks
397    o utils/matlab:
398      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
399      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
400        instead of local script "load_cs.m".
401    o pkg/seaice:
402      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
403        to the scalarProductMetric and the unrolling. By chance this does not
404        change the verification experiment, because of the particular domain
405        decomposition
406    o pkg/diagnostics:
407      - change default missing_value from UNSET_RL to -999.
408    o pkg/layers: improve vectorization of layers_fluxcalc.F
409      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
410        time spent in this routine by more than a factor of 3 on an NEC-SX8
411      - step 2: replace search algorithm by a bisection algorithm found in
412        Press et al. Numerical Recipes in Fortran. This algorithm can be
413        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
414        For now, use this algorithm only for TARGET_NEC_SX defined.
415      - moved the search algorithm into a separate subroutine, that is kept
416        within the same file for automatic inlining.
417      - modified catching potential errors
418    o pkg/ecco:
419      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
420    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
421      - modifications for ALLOW_GENTIM2D_CONTROL
422      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
423      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
424      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
425      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
426    o model/src:
427      - account for moist thermodynamics in (dry) potential temperature equation;
428        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
429        and cpl_aim+ocn.
430      - also switch to standard compiler (gfortran, was using ifort previously)
431        for fizhi-cs experiments reference output.
432    o pkg/ctrl:
433      - 1st step toward generic time-varying control variable (2D) via CPP option
434        ALLOW_GENTIM2D_CONTROL
435      - note new namelist ctrl_nml_genarr in data.ctrl
436    o verification/global_ocean.cs32x15:
437      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
438        thsice calling sequence and update "output.icedyn.txt" output file.
439    o pkg/ptracers:
440      - from Ryan A.: code to allow to restart a tracer at regular time interval
441        specifying a reset frequency and a reset-phase (for each tracers).
442    o pkg/thsice:
443      - implement new sequence of calls for thsice+seaice:
444          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
445          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
446      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
447        in CPP_OPTIONS.h) to recover old sequence;
448      - update diagnostics for Intermediate State thsice diagnostics: now filled
449        just before advection (instead of just after advection in old sequence);
450      - update output of experiment offline_exf_seaice (standard test);
451      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
452        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
453    o pkg/aim_v23:
454      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
455      - use standard pkg/mdsio routines to read & write CO2 pickup file;
456      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
457      - Implement new sequence of calls for seaice advection (with thsice and
458        seaice diffusion): do ice advection after ice-Thermodynamic (previously
459        was done before); change aim_do_physics.F (split the bi,bj loops block);
460      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
461    o pkg/thsice:
462      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
463        where just seaice diffusion is used without seaice-dynamics.
464    
465    checkpoint64c (2013/01/18)
466    o pkg/seaice:
467      - add a parameter JFNKres_tFac that can replace JFNKres_t
468        (= JFNKres_tFac*JFNKresidual before JFNK solver)
469      - add a line search option to the JFNK solver
470      - move update of u/vIce and computation of initial residual into a separate
471        routine (same file); makes the code a little easier to read (?)
472      - the line search requires computation of the residual and for some reason
473        I cannot do the update of u/vIce at the beginning of the Newton loop
474        without changing the results, so we move computation of the new residual
475        also to the end of the Newton loop, even without the line search
476    o pkg/mdsio:
477      - write missing value (corresponding to undefined array value) to meta files;
478        skip this if missing value is one (UNSET_RL would be a better value for the
479        case of undefined missing value but it's current the default missing-value);
480        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
481  o pkg/exf & thsice:  o pkg/exf & thsice:
482    - for diagnostics purpose, fill-up and update Qsw array (+ fill the diagnostics)    - for diagnostics purpose, fill-up and update Qsw array (+ fill the
483      even when SHORTWAVE_HEATING is #undef;      diagnostics) even when SHORTWAVE_HEATING is #undef;
484  o verification/cfc_example:  o verification/cfc_example:
485    - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to illustrate    - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
486      how to use it).      illustrate how to use it).
487  o verification/offline_exf_seaice:  o verification/offline_exf_seaice:
488    in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing    in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
489      files to only one time-record.      files to only one time-record.
490    in input.thermo: narrow the 2 bands of low initial ice-concentration near    in input.thermo: narrow the 2 bands of low initial ice-concentration near
491      N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for      N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
492      snapshot output; same mcPheePiston value as in thsice with surf-current=0.2m/s.      snapshot output; same mcPheePiston value as in thsice with
493        surf-current=0.2m/s.
494    in input.thsice: similar set-up as in input.thermo (channel with same seaice    in input.thsice: similar set-up as in input.thermo (channel with same seaice
495      initial conditions).      initial conditions).
496  o verification/cfc_example:  o verification/cfc_example:

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