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revision 1.1787 by mlosch, Fri Dec 21 13:24:22 2012 UTC revision 1.1953 by jmc, Fri Jan 3 17:28:19 2014 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o tools/adjoint_options:
8      - switch to fastopt.net TAF server (instead of default fastopt.de) for
9        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
10    o model/src:
11      - remove some unnecessary TAF storage directives in forward_step.F and
12        in dynamics.F (note: not always removed by TAF, e.g., double storage
13        of kappaRU,kappaRV in former version of dynamics.F).
14    o model/src & pkg/ptracers:
15      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
16        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
17        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
18      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
19      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
20      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
21    o useSingleCpuInput separates single-CPU input from single-CPU output;
22        for now only implemented for in exf_interp_read.F
23    o verification/advect_xy:
24      - fix missing EXCH call in local version of ini_salt.F and update output.
25    o momentum diagnostics:
26      - fix which deltaT is used in Total-Tendency diagnostics.
27      - fix typo in diagnostics for momentum tendency from AB.
28    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
29        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
30    
31    checkpoint64r (2013/12/08)
32    o verification/*/results:
33      - Update reference output of experiments that were passing with just 13 digits
34         (make it easier to detect future changes in results)
35    o model/src & pkg/ptracers:
36      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
37        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
38        to inside ptracers_integrate.F ; remove ptracers_advection.F
39    o coupling interface pkgs:
40        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
41      - change the config check to test the agreement of Ocean Depth
42        with ATM land/sea mask (instead of ATM orography);
43      - send to coupler the number of coupler time-steps to do for this run:
44        this allows to check for consistency and don't need anymore to be
45        specified in parameter file "data";
46      in coupler:
47      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
48      - improve report to log-file of config setting (pass log-file unit to few S/R)
49    o pkg/compon_communic:
50      - add coupling send/receive for non-tiled integer vector;
51      - add S/R to check and stop if any proc has an error (similar to
52        eesupp/src/stop_if_error.F but single thread and across Comm_World).
53    o pkg/exch2:
54      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
55        through list of all tiles my proc owns.
56    o model/src:
57      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
58        from rTrans) to simplify dependencies (no need to store rTrans anymore in
59        calling S/R); this affects AD results at machine truncation level:
60        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
61        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
62    o tools/build_options:
63      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
64    o coupling interface pkgs:
65        [compon_communic, atm_compon_interf & ocn_compon_interf]
66      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
67        to each S/R that needs it; remove un-used variables.
68      - change component tile registration (cpl_register.F in both compon_interf
69        and mitcomponent_tile_register.F) to pass the full list of tiles
70        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
71      - with pkg/exch2: adopt the same convention used for I/O to define mapping
72        towards coupler global array (unless W2_useE2ioLayOut=F):
73         a) can now use different tiling between atm & ocn comp.
74         b) no needs to modify the run-Off map when changing tiling (was needed
75            even if using the same tiling between atm & ocn).
76         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
77            full land tiles); not yet tested.
78      - check for valid mapping from comp. tile to coupler global array
79      - improve report of tile registration results to log file.
80    o pkg/exch2:
81      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
82        tile-registration (CPL_REGISTER);
83      - activate (un-comment) definition and setting of "W2_tileIndex" list to
84        store the local bi,bj indices of each tile;
85      - also print bi,bj in local report to log file;
86      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
87        Jun 2009 modif of pkg/exch2).
88    o testing on baudelaire:
89      - run 2 tests at a time: no significant slow down (since enough cpu) and
90        get the full set of test done earlier
91      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
92    o model/src/thermodynamics.F and routines called from it:
93      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
94        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
95        velocity (outp) by adding bolus velocity.
96      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
97        mass transport from velocity + lateral grid cell area
98      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
99      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
100     in thermodynamics.F
101      - remove k from thermodynamics.F and move it to temp_integrate.F
102        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
103        loop).
104      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
105        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
106        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
107        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
108      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
109        global_ocean.90x40x15, tutorial_global_oce_biogeo and
110        tutorial_tracer_adjsens (+ TLM output).
111    o tools/OAD_support and (verification/*/) code_oad:
112      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
113        module conversion ; remove unneeded CPP_EEOPTIONS.h.
114      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
115        version (closer to model/inc/CPP_OPTIONS.h).
116    o model/src:
117      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
118        retired list of parameters (routine FREEZE has been replace by surface
119        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
120    o pkg/gmredi:
121      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
122        velocity (same scheme but affects machine truncation) for GM_AdvForm.
123      - update output of FWD experiments: front_relax.bvp,
124        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
125    
126    checkpoint64q (2013/11/17)
127    o verification:
128      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
129        tutorial_global_oce_biogeo and global_ocean.90x40x15.
130      - generate new output (growth & melt) for seaice_itd experiment after
131        updating the input pickup_seaice files (previously wrong).
132    o pkg/cost:
133      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
134        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
135        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_TILE_RL
136          cannot be applied to var in common block).
137        o allows to get results independent of tile-per-proc setting (if using
138          slower GLOBAL_SUM_SEND_RECV option).
139      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
140        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
141        forward gradients: update output).
142      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
143        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
144    o pkg/mom_common:
145      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
146        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
147        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
148        ensure that all field value that are used are set.
149    o tutorial_deep_convection (smag3d):
150      - add missing scaling in mom_calc_smag_3d.F;
151      - set smag3D_coeff in input.smag3d such that results do not change.
152    o pkg/dic:
153      - change dic_cost.F to compute cost on each tile first and then apply
154        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
155        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
156      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
157    o eesupp/src & pkg/mdsio:
158      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
159        (from pkg/mdsio) since they are no longer used for tape IO.
160      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
161        (+ keep a copy in pkg/atm_ocn_coupler).
162    o verification/isomip:
163      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
164    o tools/build_options:
165      - optfile linux_amd64_ifort11, fast (no ieee) case:
166        to get a working restart for all experiments, add "-fp-model source"
167        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
168    
169    checkpoint64p (2013/10/20)
170    o pkg/autodiff:
171      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
172        criteria, return to simple (default) tape IO format.
173    o pkg/mdsio (+ eesupp/src):
174      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
175        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
176      - fix globalFile and singleCpuIO options using simpler global mapping.
177      - new pairs of scatter/gather vector S/R (one for each type, generated from
178        template) corresponding to simpler global mapping.
179      - adread_write.F: switch to new S/R (but leave old calls commented) and write
180        to globalFile when parameter globalFiles is set to True.
181      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
182    o pkg/autodiff:
183      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
184        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
185        missing, just add a STOP if array type do not match.
186    o pkg/exf:
187      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
188         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
189         and rename array obsSIce to exf_iceFraction.
190    o tutorial_deep_convection:
191      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
192        for now all in this exp. code dir.
193      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
194        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
195    o eesupp/src:
196      - added SINGLE_DISK_IO option because reading of parameter files on
197        very large number of processors did not work with existing set-up
198    
199    checkpoint64o (2013/09/25)
200    o pkg/atm_phys & atm_compon_interf:
201      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
202    o tools/build_options:
203      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
204        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
205        remove CPP setting (was identical to genmake2 default).
206    o pkg/gmredi & model/src: Some updating and work done on the residual model.
207      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
208      - fixed up the calculation of the eddy stress and how it is added to the
209        external forcing via taueddy_external_forcing.F
210      - at the moment, it is very experimental and only works with the variable eddy
211        diffusivity calculated in gmredi_k3d.F
212    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
213        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
214    o testreport (& tools/do_tst_2+2):
215      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
216    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
217      - remove CPP='cpp -traditional -P' (this is genmake2 default)
218      - add switch (for big setups) to use 'medium' memory-model (but leave it
219        commented out for now). Note: needed with FC 19 to compile big setups.
220    o pkg/atm_compon_interf:
221      - regroup per field origin (model & pkgs) the coupling storage routines
222         (which accumalate in time each coupling field)
223      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
224        update accordingly + simplify aim_do_physics.F
225    
226    checkpoint64n (2013/08/26)
227    o pkg/bbl:
228      - update formulation to reduce dispersion of tracer properties in bbl
229      - replaced horizontal and vertical transport parameters with velocities
230      - changes results for verification/global_with_exf.yearly
231    o verification/halfpipe_streamice:
232      - change to matrix construction; update both Fwd & AD output.
233    o verification/tutorial_tracer_adjsens:
234      - OpenAD test: switch to vector-invariant momentum since fluxform with
235        rStar causes problems with OpenAD; update output.
236    o tools:
237      - genmake2: define a common prefix for all temp-file names ; move them
238        to local /tmp disk (but would be easy to move them back);
239      - xmakedepend: apply the same switch for temp-files.
240    o pkg/offline:
241      - changes for use with rStar (NLFS): assume that we continue to provide
242        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
243        output files) and apply r* scaling at each time-step (function of the time
244        varying Eta field); use normal pickup files (needed for restart with NLFS).
245    o adjoint with OpenAD:
246      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
247        package openad.  This package has to be compiled for all runs with OpenAD
248        instead of specifying code_oad_all as a modification directory.
249      - link the fortran templates from tools/OAD_support to the build directory
250        for preprocessing to avoid conflicts between different setups compiled
251        simultaneously and simplify cleanup.
252    o pkg/exf:
253      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
254        main model or other pkgs are exchanged in EXF_MAPFIELDS).
255    o model/src:
256      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
257        (similar to do_fields_blocking_exchanges.F).
258    o tools/genmake2:
259      - remove TAF output src code just before calling staf (when not doing a fresh
260        built, will stop if things go wrong with staf).
261      - fix target "adobj" (left from TAF version-2 transition)
262    o pkg/diagnostics:
263      - add a parameter to track the status of pkg/diagnostics activation;
264        this replace/extend the use of logical param "settingDiags" (to check
265        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
266        New S/R to print error message and stop when pkgStatus is not right.
267      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
268    
269    checkpoint64m (2013/08/13)
270    o model/inc:
271      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
272        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
273    o pkg/kpp & aim_v23:
274      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
275    o pkg/seaice:
276      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
277        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
278      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
279    o eesupp/src:
280      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
281        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
282    o switch to TAF version-2:
283      - add flow directives to "freeze" naming convention for ad-routines that
284        are used in I/O routines of adjoint state and associated common blocks
285        that are used in adcommon.h (backward compatible with version-1)
286      - update all ad-optfiles (in tools/adjoint_options + few local to some
287        verification exp) to switch to latest TAF version (currently 2.5.5);
288        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
289        out except for diva).
290      - the major change with TAF version-2 is that both the differentiated
291        routines and the forward routines (new) are returned as part of the TAF
292        output source code. Update genmake2 accordingly.
293      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
294        with version-2 when compared to TLM or FWD gradient); other experiments
295        output show minor changes (machine truncation level); update the few AD &
296        TLM output with 12 matching digits only (some prior to version-2 switch).
297    
298    checkpoint64l (2013/08/05)
299    o model/src:
300      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
301      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
302        when using TAF but only if using OpenAD.
303    o pkg/mom_common+fluxform+vecinv:
304      - always set horiz. viscosity arrays to background value before calling
305        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
306        only when using variable horiz. viscosity (useVariableVisc=T);
307      - simplify mom_vecinv.F (only 1 block for momViscosity).
308    o pkg/mom_common: variable horiz. viscosity in NH code
309      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
310        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
311      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
312        useBiharmonicVisc & useVariableVisc.
313      - fix old bug (already in 1rst implementation of variable horizontal viscosity
314        in calc_gw.F, version 1.27, 2006/06/20):
315        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
316        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
317      - change background horiz viscosity in vertical momentum (gW) to always be
318        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
319        any type of variable viscosity, e.g., viscAh/4Grid)
320      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
321        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
322        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
323        default viscAh,viscA4 is zero).
324    o model/src:
325      - extend length of drC & recip_drC from Nr to Nr+1.
326    o Divided Adjoint (DIVA) with MPI:
327      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
328      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
329        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
330    
331    checkpoint64k (2013/07/23)
332    o tools/OAD_support:
333      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
334        and remove it from genmake2.
335    o tools/build_options:
336      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
337        MPI_HEADER_FILES list (let genmake2 find the missing headers)
338    o verification/halfpipe_streamice:
339      - change to driving stress formulation; update both Fwd & AD output.
340    o tools/genmake2 and Divided Adjoint with MPI:
341      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
342      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
343      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
344        Makefile, which is set by genmake2, and check which mpi-headers are needed.
345        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
346      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
347    o testreport:
348      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
349        perform additional runs (number of additional runs is "add_DIVA_runs" taken
350        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
351    o verification/lab_sea (AD test):
352      - change to test Divided Adjoint Run in this set-up (both standard AD test
353        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
354    o pkg atm_ & ocn_compon_interf:
355      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
356        staggerTimeStep implementation) and disable (retired) corresponding
357        parameter.
358    o pkg/offline:
359      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
360      - add S/R OFFLINE_CHECK to print offline parameter summary
361        and stop if loading a file that is not used;
362      - enable to calculate GMRedi tensor, KPP mixing and convective index
363        when the corresponding file(s) is/are not specified (but pkg is used).
364      - comment out resetting of monitorFreq (to endTime) since it still useful
365        for monitoring CFL numbers and checking offline fields.
366    o OpenAD:
367      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
368        smaller standard output) and generate new (smaller) output (on baudelaire
369        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
370    o model/src:
371      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
372        (where external_forcing_adjust was called) and change list of arguments;
373      - merge external_forcing_adjust.F into external_forcing_surf.F
374      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
375        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
376        previously in file "balance_relax.F", now removed); remove corresponding
377        arrays in FFIELDS.h.
378      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
379        a hack for getting back surfaceForcingS (loaded from file) when using
380        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
381      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
382        (was getting only 11 digits for AD-grad, due to different truncation
383         error in AD code).
384    
385    checkpoint64j (2013/07/04)
386    o pkg/offline:
387      - to enable the use of other features with pkg offline (e.g., obcs),
388        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
389      - comment out "allowFreezing" (now active) in 2 offline testing exp.
390    o pkg/exf ALLOW_RUNOFTEMP
391      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
392      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
393      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
394    o pkg/atm_phys:
395      - allows to add some damping on uVel,vVel (strength only function of k).
396    o verification, ad-tests:
397      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
398        global_ocean_ebm and offline_exf_seaice.thsice.
399    o verification/halfpipe_streamice:
400      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
401        flux input boundary conditions to be ignored; a fix for this bug changed
402        verification results for forward test.
403      - add adjoint test.
404    o pkg/ptracers:
405      - allow to restart without SOM pickup (resetting SOM to zero).
406    o pkg/gmredi:
407      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
408      - It uses mixing length theory and suppression by steering level effects to
409        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
410        to JPO, for more details).
411      - It also uses the diffusivity to calculate an eddy induced streamfunction
412        based on a PV closure (rather than a buoyancy closure as in GM).
413      - New files added to pkg/gmredi:
414        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
415          induced overturning streamfunction (called from gmredi_calc_tensor)
416        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
417          for use in gmredi_k3d
418        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
419          the eddy diffusivity
420    
421    checkpoint64i (2013/06/18)
422    o pkg/cheapaml:
423      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
424        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
425        with pkg/cheapaml.
426    o utils/python: add subpackage for cubed sphere function, first example is
427        simple cs.pcol to plot 2D fields on a map
428    o pkg/streamice:
429      - This is a new package in MITgcm, which solves dynamic equations for ice
430         sheets and ice streams
431      - At the moment it is independent of atmosphere/ocean dynamics, or any
432        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
433        ed that this will change)
434      - There is a new verification exercise that tests it, halfpipe_streamice,
435        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
436        rectangular embayment
437      - halfpipe_streamice is forward-only for now, will have TAF test soon
438      - for questions, email dgoldber@mit.edu
439    o pkg/thsice:
440      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
441        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
442      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
443         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
444      - allow precip from pkg/cheapaml to make snow over seaice.
445    o pkg/cfc:
446      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
447      - remove atmos CFC 2-D arrays from common bloc (now local variables)
448      - change some hard-coded constant to run time parameter for reading and
449        and interpolating atmospheric CFC ; keep same default as previously.
450      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
451      - put arguments in standard order: myTime, myIter, myThid
452      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
453        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
454      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
455      - new routine to print summary of CFC params and check for consistency.
456    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
457      similar to thsice_advdiff.
458      Note that for the B-grid case the routine parameters uc/vc are overwritten.
459    o pkg/cfc:
460      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
461        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
462      - fix interpolation of atmphspheric CFC between Sorthern and Northern
463        hemisphere value.
464    o pkg/seaice:
465      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
466    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
467                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
468      - requires an additional time level that is stored in the pickup
469      - you can start with AB2 from a pickup without this time level with
470        pickupStrictlyMatch = .false.
471    
472    checkpoint64h (2013/05/26)
473    o pkg/cheapaml:
474      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
475        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
476      - consistent treatment of uWind,vWind location: assume everywhere in
477        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
478        (Note: was already the case for Tair,Qair advection);
479        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
480      - compute diabatic forcing only in the interior (excluding overlap regions)
481      - fill in array "Qsw" (for short-wave heating);
482      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
483        before any update (consistent with MITgcm state var diagnostics);
484      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
485        non periodic ; + adjusted for uWind,vWind (C-grid).
486    o pkg/seaice:
487      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
488        add explicitly pkg/exf in experiments that currently use pkg/seaice.
489      - allows to compile pkg/seaice without pkg/exf.
490    o tools/OAD_support:
491      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
492        of array "ourStepOf" in function rvNextAction (revolve.F90).
493    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
494      - change pkg name (to be used with other atmospheric physics pkg)
495        but by-pass CVS when making the new pkg so that we keep the CVS history.
496    o pkg/offline:
497      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
498        (previously called from pkg/dic_surfforcing_init.F)
499    o model/src:
500      - re-order sequence of calls within packages_init_variables.F, using
501        standard order, except for:
502         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
503         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
504    o new pkg: atm_phys
505      - add entry point and source code (previously in contrib
506          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
507        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
508      - re-order sequence of calls within packages_readparms.F,
509         packages_init_fixed.F and packages_write_pickup.F
510        (but skip packages_init_variables.F because of TAF issues).
511      - update contrib/*/atm_gray/ experiment.
512    o pkg/seaice (ITD code):
513      - simplify and fix the writing of pickup-files for ITD case
514    o pkg/seaice (ITD code):
515      - introduce floe size dependent lateral melt for ITD case;
516      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
517      - update seaice_itd experiment main output.
518    o pkg/thsice:
519      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
520        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
521        changed accordingly pkg/atm2d.
522    
523    checkpoint64g (2013/05/01)
524    o pkg/exf ALLOW_RUNOFTEMP
525      - if defined,  river and glacier runoff temperature can be read-in from
526        runoftempfile; runoftempfile needs to have same format as runofffile
527    o pkg/thsice (& pkg/bulk_force):
528      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
529        for energy content of Precip + RunOff & Evap (like with pkg/exf).
530      - change computation domain to always be the interior (without overlap).
531      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
532    o verification/tutorial_global_oce_biogeo:
533      - add preliminary OpenAD setup (still has problems)
534    o pkg/seaice:
535      - turn some parameters for choosing the convergence criterion of
536        the inexact Newton method (JFNK) into runtime parameters for convenience
537      - clean up seaice_calc_viscosities.F: remove/retire two options for
538        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
539        the results of lab_sea/input because a division has been replaced by
540        a multiplication with the reciprocal (sumNorm)
541      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
542        convergence of solver (changes results, of course), and to test some
543        new features
544    o model/src:
545      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
546      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
547      - move forcing adjustment (balancing surface forcing) in specific S/R
548        where might also be applied exchanges (if needed) to forcing arrays.
549    o pkg/shelfice:
550      - allow to specify the Ice-Shelf mass per unit area (instead of
551        shelficeLoadAnomaly) and do the conversion from one to the other
552      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
553        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
554        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
555        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
556      - update isomip experiment forward output (get machine truncation error
557        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
558    o verification/offline_exf_seaice:
559      revise data.seaice in input.thermo and input_ad and update results accordingly
560        HO = 0.2, SEAICE_areaLossFormula = 2,
561        SEAICE_growMeltByConv = .TRUE.,
562        SEAICE_doOpenWaterMelt = .TRUE.,
563      Improve consistency with input.thsice and fix the spurious 500m ice corners
564    o verification/global_ocean.cs32x15:
565      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
566        in icedyn (thsice+seaice-dyn) test and update output.
567    o verification/offline_exf_seaice:
568      - adjust list of tested variables (with testreport) and update
569        standard test output with better slection of monitored fields.
570    o pkg/cd_code:
571      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
572        experiment lab_sea.hb87
573    o tools/genmake2:
574      - change default makedepend from the system default to tools/xmakedepend:
575        When no makedepend is specified, select tools/xmakedepend it the test pass,
576        otherwise select the system default (if exist and pass the test) or
577        try to build cyrus-makedepend ; stop if none of the 3 works.
578    o pkg/exf & pkg/thsice:
579      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
580        for energy content of Precip + RunOff & Evap. Assumes:
581       1) Rain has same temp as Air.
582       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
583       3) Run-Off comes at the temp of surface water (with same Cp)
584       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
585        put directly into Latent Heat flux & should use water-vapor heat capacity.
586       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
587        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
588    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
589        (compile when SEAICE_ALLOW_JFNK is defined)
590    o pkg/thsice:
591      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
592        implementation): move THSICE_AVE call after the advection (called directly
593        from thsice_do_advect.F).
594    o verification/global_ocean.90x40x15 and OpenAD:
595      New experiment for OpenAD is identical to the one in input_ad except that
596        multiDimAdvection=.FALSE.,
597      There is still an issue with this.
598    o pkg/thsice:
599      - account for ice velocity (ocean relative velocity) in turbulent heat flux
600        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
601        and offline_exf_seaice (main test).
602    
603    checkpoint64f (2013/03/31)
604    o verification/OpenAD:
605      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
606    o verification/isomip, pkg/shelfice and OpenAD:
607      - add OpenAD setup to this exp and make shelfice package work with OpenAD
608    o verification/tutorial_global_oce_biogeo:
609      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
610    o verification/offline_exf_seaice:
611      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
612    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
613      - add OpenAD setup to this exp and make ptracers package work with OpenAD
614    o pkg/seaice/seaice_evp.F:
615       mask the asymmetric contribution of the ice-ocean stress (when
616       the turningAngle is non-zero) over open water to avoid stripes
617       in the EVP-solutions after many EVP-substeps. This does not change
618       the verification experiment (because turningAngle=0 in that experiment),
619       but will affect other EVP solutions with turningAngle.ne.0
620    o verification, AD & TLM output:
621      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
622        additions and multiplications which affect results at machine truncation
623        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
624        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
625        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
626        digits of matching.
627    o pkg/seaice:
628       modify lsr-algorithm so that it vectorizes AND converges by using a
629       "zebra" method: split vector loop into two with step size 2; this
630       solves a general convergence problem for the JFNK solver on a vector
631       computer. It has the potential to even improve convergence for
632       non-vector machines, but it does change the results so it is turned
633       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
634       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
635    
636    checkpoint64e (2013/03/05)
637    o pkg/ecco and several verification experiments:
638       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
639       from ecco package, and revert to unified routine in model/src/
640       Adjust verification experiments accordingly, especially gloal_oce_llc90
641       Should conclude long-standing work by Gael to reconsile the_main_loop with
642       ECCO and will enable OpenAD's revolve loop in ECCO setup.
643    o pkg/generic_advdiff:
644      - implement compressible flow method for multi-dim advection (similar to
645        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
646        TAF generates many recomputations) to use it; no yet coded with implicit
647        vertical advection.
648      - change experiment advect_cs (new output) and advect_xy (same output)
649        to test compressible flow multi-dim advection.
650    o pkg/generic_advdiff:
651      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
652        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
653    o pkg/seaice:
654      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
655        bug affects two verification experiments (lab_sea and lab_sea.hb87),
656        recover old (wrong) results by setting noSlipFac = 2. in
657        seaice_calc_strainrates.F;
658      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
659      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
660        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
661      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
662    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
663      - new subroutines seaice_lsr_tridiagu/v
664      - introduce loop bounds i/jmin/max to be able to use a restricted
665        additive Schwarz method, but not used for now.
666      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
667      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
668    o OpenAD support
669       Reorganize S/R call for overall time-stepping loop to facilitate
670       OpenAD revolve loop replacement
671       (new S/R main_do_loop.F)
672    o model/src:
673      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
674      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
675        ADAMS_BASHFORTH2.
676    o pkg/cheapaml:
677      - add new parameter (default=F, same as before) to disable full domain
678        (including land) periodicity in X & Y dir.
679      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
680        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
681        into single S/R CHEAPAML_TIMESTEP.
682    
683    checkpoint64d (2013/02/17)
684    o pkg/monitor (angular momentum):
685      - do not add Eta contribution to the total AM if using rigid-lid;
686      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
687      - horizontal discretisation: compute Zonal wind contribution separately for
688        each component (instead of from cell centered averaged) and use the 4
689        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
690      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
691        FreeSurf) if using vectorInvariant momentum.
692    o model/src (horizontal grid):
693      - move initialisation of all horizontal grid arrays to null value
694        from specific horizontal grid S/R to main S/R INI_GRID;
695      - add 2 new arrays to project model C-grid velocity on to zonal direction
696        (similar to AngleCosC & -AngleSinC but at U and V point location) and
697        compute them in S/R CALC_GRID_ANGLES.
698    o pkg/seaice: replace a hard coded parameter by a runtime parameter
699        SEAICE_JFNK_tolIter
700    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
701        preconditioner for JFNK (run LSR into the overlaps as far as possible,
702        i.e OLx/y-2, but overwrite the solution in the overlaps)
703      - extend loop range in seaice_calc_viscosity
704      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
705      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
706      - slightly modify loops in tridiagonal solver lsr-preconditioner
707      - by default remove the extra exchange in seaice_preconditioner with a
708        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
709      - modify offline_exf_seaice so that old results without RAS are reproduced
710        for output.dyn_jfnk.txt
711      in seaice_fgmres.F (unrelated to RAS)
712      - add a cpp-flag option for a re-ordered mapping (potentially more
713        efficient), but because this changes the results, turn it off by
714        default
715      - replace the save statement by local common blocks
716    o utils/matlab:
717      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
718      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
719        instead of local script "load_cs.m".
720    o pkg/seaice:
721      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
722        to the scalarProductMetric and the unrolling. By chance this does not
723        change the verification experiment, because of the particular domain
724        decomposition
725    o pkg/diagnostics:
726      - change default missing_value from UNSET_RL to -999.
727    o pkg/layers: improve vectorization of layers_fluxcalc.F
728      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
729        time spent in this routine by more than a factor of 3 on an NEC-SX8
730      - step 2: replace search algorithm by a bisection algorithm found in
731        Press et al. Numerical Recipes in Fortran. This algorithm can be
732        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
733        For now, use this algorithm only for TARGET_NEC_SX defined.
734      - moved the search algorithm into a separate subroutine, that is kept
735        within the same file for automatic inlining.
736      - modified catching potential errors
737    o pkg/ecco:
738      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
739    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
740      - modifications for ALLOW_GENTIM2D_CONTROL
741      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
742      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
743      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
744      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
745    o model/src:
746      - account for moist thermodynamics in (dry) potential temperature equation;
747        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
748        and cpl_aim+ocn.
749      - also switch to standard compiler (gfortran, was using ifort previously)
750        for fizhi-cs experiments reference output.
751    o pkg/ctrl:
752      - 1st step toward generic time-varying control variable (2D) via CPP option
753        ALLOW_GENTIM2D_CONTROL
754      - note new namelist ctrl_nml_genarr in data.ctrl
755    o verification/global_ocean.cs32x15:
756      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
757        thsice calling sequence and update "output.icedyn.txt" output file.
758    o pkg/ptracers:
759      - from Ryan A.: code to allow to restart a tracer at regular time interval
760        specifying a reset frequency and a reset-phase (for each tracers).
761    o pkg/thsice:
762      - implement new sequence of calls for thsice+seaice:
763          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
764          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
765      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
766        in CPP_OPTIONS.h) to recover old sequence;
767      - update diagnostics for Intermediate State thsice diagnostics: now filled
768        just before advection (instead of just after advection in old sequence);
769      - update output of experiment offline_exf_seaice (standard test);
770      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
771        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
772    o pkg/aim_v23:
773      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
774      - use standard pkg/mdsio routines to read & write CO2 pickup file;
775      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
776      - Implement new sequence of calls for seaice advection (with thsice and
777        seaice diffusion): do ice advection after ice-Thermodynamic (previously
778        was done before); change aim_do_physics.F (split the bi,bj loops block);
779      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
780    o pkg/thsice:
781      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
782        where just seaice diffusion is used without seaice-dynamics.
783    
784    checkpoint64c (2013/01/18)
785    o pkg/seaice:
786      - add a parameter JFNKres_tFac that can replace JFNKres_t
787        (= JFNKres_tFac*JFNKresidual before JFNK solver)
788      - add a line search option to the JFNK solver
789      - move update of u/vIce and computation of initial residual into a separate
790        routine (same file); makes the code a little easier to read (?)
791      - the line search requires computation of the residual and for some reason
792        I cannot do the update of u/vIce at the beginning of the Newton loop
793        without changing the results, so we move computation of the new residual
794        also to the end of the Newton loop, even without the line search
795    o pkg/mdsio:
796      - write missing value (corresponding to undefined array value) to meta files;
797        skip this if missing value is one (UNSET_RL would be a better value for the
798        case of undefined missing value but it's current the default missing-value);
799        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
800    o pkg/exf & thsice:
801      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
802        diagnostics) even when SHORTWAVE_HEATING is #undef;
803    o verification/cfc_example:
804      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
805        illustrate how to use it).
806    o verification/offline_exf_seaice:
807      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
808        files to only one time-record.
809      in input.thermo: narrow the 2 bands of low initial ice-concentration near
810        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
811        snapshot output; same mcPheePiston value as in thsice with
812        surf-current=0.2m/s.
813      in input.thsice: similar set-up as in input.thermo (channel with same seaice
814        initial conditions).
815    o verification/cfc_example:
816      - update file "data" with more standard choice (default rotationPeriod,
817        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
818        set deltaTFreeSurf to deltaTtracer) and update the output.
819    o pkg/layers:
820      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
821      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
822    o verification/offline_exf_seaice:
823      - set all {field}period to zero for constant-in-time forcing (not tested
824        anywhere else).
825    o verification/offline_exf_seaice:
826      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
827      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
828    o model/src:
829      - implement Finite-Volume method for (hydrostatic) presure gradient
830        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
831    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
832      - In order to be compatible with the default EVP code, this requires changing
833        the EVP code around a little; and because any small change immediately
834        breaks the lab_sea.hb87 verification experiment, the reference output is
835        updated two times (each time the remaining aggrement was only 2 digits):
836        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
837        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
838        The adjoint test lab_sea.evp also needed to be updated.
839      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
840        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
841        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
842        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
843        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
844        kept obscure, because I need to test it a little more.
845    o pkg/cheapaml:
846      - fix few incorrect type (_RL/_RS) in subroutine calls.
847    o pkg/seaice:
848      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
849        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
850    o model/src:
851      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
852        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
853        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
854    o pkg/cheapaml:
855      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
856        update output of experiment cheapAML_box.
857      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
858        and set them only in one place (cheapaml_readparms.F).
859      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
860      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
861        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
862    o model/src/the_main_loop.F:
863      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
864    o pkg/seaice:
865      - remove legacy branch code.
866      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
867    o verification/*/code*/SEAICE_OPTIONS.h:
868      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
869        SEAICE_CAP_HEFF).
870    o pkg/cheapaml:
871      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
872        to load new forcing fields.
873      - add missing "_d 0" where it's needed; + some editing (improve indentation).
874      - remove switch to "-r8" compiler option (no longer needed) in verification
875        cheapAML_box, keep same output (small trucation error differences).
876    o verification/offline_exf_seaice:
877      - add thermodynamics only test.
878    o verification/cheapAML_box:
879      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
880        keep same output (same 14 digits for cg2d).
881      - switch on "-r8" compiler option (some numerical values are missing
882        the "_d 0") and update output (only 6 digits for cg2d were preserved).
883    
884    checkpoint64b (2012/12/24)
885    o pkg/cheapaml:
886      - remove un-used variables (Qnet,EmPmR) from pickup files.
887      - store tendency of advected variables into cheapaml pickup file
888        and fix the AB-2 restart.
889    o verification/offline_exf_seaice and lab_sea adjoint:
890      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
891      - switch to 4 time steps in offline, consistent with lab_sea.
892      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
893      - update results after change of experiment seaice.
894    o pkg/seaice:
895      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
896        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
897        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
898        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
899    o model/src:
900      - add run-time parameter to select CG2D solver minimum-residual solution
901        (in case of a poor convergence).
902  o pkg/seaice/seaice_lsr.F  o pkg/seaice/seaice_lsr.F
903    - move calculation of matrix coefficients into new    - move calculation of matrix coefficients into new
904      S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same      S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
905      file; the main purpose of this change is to be able to reuse the code      file; the main purpose of this change is to be able to reuse the code
906      in S/R SEAICE_PRECONDITIONER      in S/R SEAICE_PRECONDITIONER
907    - modify the computation of the residual so that the mass of sea-ice    - modify the computation of the residual so that the mass of sea-ice
908      is not used twice; this simplyfies the calculations, but since      is not used twice; this simplifies the calculations, but since
909      the residual is never used except when LSR_mixIniGuess.ge.4---and this is      the residual is never used except when LSR_mixIniGuess.ge.4---and this is
910      not tested in testreport---this does not affect the testreport results.      not tested in testreport---this does not affect the testreport results.
911  o verification/seaice_obcs:  o verification/seaice_obcs:
# Line 44  o pkg/seaice: Line 939  o pkg/seaice:
939    - add a verification experiment for JFNK in offline_exf_seaice    - add a verification experiment for JFNK in offline_exf_seaice
940  o verification:  o verification:
941    - change (for now, only fwd test) offline_exf_seaice experiment:    - change (for now, only fwd test) offline_exf_seaice experiment:
942      use a re-entrant channel with idealized costline (trapezoidal shape)      use a re-entrant channel with idealized coastline (trapezoidal shape)
943      at southern boundary to explore seaice dynamics and thermodynamics      at southern boundary to explore seaice dynamics and thermodynamics
944      with simple forcing. Main set-up has dynamics+thermo and SST relaxation;      with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
945      secondary test (input.thsice) use thermodynamics only with SST relaxation.      secondary test (input.thsice) use thermodynamics only with SST relaxation.
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