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revision 1.1675 by heimbach, Mon Jun 25 19:25:41 2012 UTC revision 1.1934 by jmc, Fri Oct 25 18:44:25 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 eesupp/src & pkg/mdsio:
8      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
9        (from pkg/mdsio) since they are no longer used for tape IO.
10      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
11        (+ keep a copy in pkg/atm_ocn_coupler).
12    o verification/isomip:
13      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
14    o tools/build_options:
15      - optfile linux_amd64_ifort11, fast (no ieee) case:
16        to get a working restart for all experiments, add "-fp-model source"
17        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
18    
19    checkpoint64p (2013/10/20)
20    o pkg/autodiff:
21      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
22        criteria, return to simple (default) tape IO format.
23    o pkg/mdsio (+ eesupp/src):
24      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
25        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
26      - fix globalFile and singleCpuIO options using simpler global mapping.
27      - new pairs of scatter/gather vector S/R (one for each type, generated from
28        template) corresponding to simpler global mapping.
29      - adread_write.F: switch to new S/R (but leave old calls commented) and write
30        to globalFile when parameter globalFiles is set to True.
31      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
32    o pkg/autodiff:
33      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
34        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
35        missing, just add a STOP if array type do not match.
36    o pkg/exf:
37      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
38         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
39         and rename array obsSIce to exf_iceFraction.
40    o tutorial_deep_convection:
41      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
42        for now all in this exp. code dir.
43      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
44        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
45    o eesupp/src:
46      - added SINGLE_DISK_IO option because reading of parameter files on
47        very large number of processors did not work with existing set-up
48    
49    checkpoint64o (2013/09/25)
50    o pkg/atm_phys & atm_compon_interf:
51      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
52    o tools/build_options:
53      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
54        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
55        remove CPP setting (was identical to genmake2 default).
56    o pkg/gmredi & model/src: Some updating and work done on the residual model.
57      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
58      - fixed up the calculation of the eddy stress and how it is added to the
59        external forcing via taueddy_external_forcing.F
60      - at the moment, it is very experimental and only works with the variable eddy
61        diffusivity calculated in gmredi_k3d.F
62    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
63        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
64    o testreport (& tools/do_tst_2+2):
65      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
66    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
67      - remove CPP='cpp -traditional -P' (this is genmake2 default)
68      - add switch (for big setups) to use 'medium' memory-model (but leave it
69        commented out for now). Note: needed with FC 19 to compile big setups.
70    o pkg/atm_compon_interf:
71      - regroup per field origin (model & pkgs) the coupling storage routines
72         (which accumalate in time each coupling field)
73      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
74        update accordingly + simplify aim_do_physics.F
75    
76    checkpoint64n (2013/08/26)
77    o pkg/bbl:
78      - update formulation to reduce dispersion of tracer properties in bbl
79      - replaced horizontal and vertical transport parameters with velocities
80      - changes results for verification/global_with_exf.yearly
81    o verification/halfpipe_streamice:
82      - change to matrix construction; update both Fwd & AD output.
83    o verification/tutorial_tracer_adjsens:
84      - OpenAD test: switch to vector-invariant momentum since fluxform with
85        rStar causes problems with OpenAD; update output.
86    o tools:
87      - genmake2: define a common prefix for all temp-file names ; move them
88        to local /tmp disk (but would be easy to move them back);
89      - xmakedepend: apply the same switch for temp-files.
90    o pkg/offline:
91      - changes for use with rStar (NLFS): assume that we continue to provide
92        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
93        output files) and apply r* scaling at each time-step (function of the time
94        varying Eta field); use normal pickup files (needed for restart with NLFS).
95    o adjoint with OpenAD:
96      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
97        package openad.  This package has to be compiled for all runs with OpenAD
98        instead of specifying code_oad_all as a modification directory.
99      - link the fortran templates from tools/OAD_support to the build directory
100        for preprocessing to avoid conflicts between different setups compiled
101        simultaneously and simplify cleanup.
102    o pkg/exf:
103      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
104        main model or other pkgs are exchanged in EXF_MAPFIELDS).
105    o model/src:
106      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
107        (similar to do_fields_blocking_exchanges.F).
108    o tools/genmake2:
109      - remove TAF output src code just before calling staf (when not doing a fresh
110        built, will stop if things go wrong with staf).
111      - fix target "adobj" (left from TAF version-2 transition)
112    o pkg/diagnostics:
113      - add a parameter to track the status of pkg/diagnostics activation;
114        this replace/extend the use of logical param "settingDiags" (to check
115        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
116        New S/R to print error message and stop when pkgStatus is not right.
117      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
118    
119    checkpoint64m (2013/08/13)
120    o model/inc:
121      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
122        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
123    o pkg/kpp & aim_v23:
124      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
125    o pkg/seaice:
126      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
127        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
128      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
129    o eesupp/src:
130      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
131        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
132    o switch to TAF version-2:
133      - add flow directives to "freeze" naming convention for ad-routines that
134        are used in I/O routines of adjoint state and associated common blocks
135        that are used in adcommon.h (backward compatible with version-1)
136      - update all ad-optfiles (in tools/adjoint_options + few local to some
137        verification exp) to switch to latest TAF version (currently 2.5.5);
138        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
139        out except for diva).
140      - the major change with TAF version-2 is that both the differentiated
141        routines and the forward routines (new) are returned as part of the TAF
142        output source code. Update genmake2 accordingly.
143      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
144        with version-2 when compared to TLM or FWD gradient); other experiments
145        output show minor changes (machine truncation level); update the few AD &
146        TLM output with 12 matching digits only (some prior to version-2 switch).
147    
148    checkpoint64l (2013/08/05)
149    o model/src:
150      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
151      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
152        when using TAF but only if using OpenAD.
153    o pkg/mom_common+fluxform+vecinv:
154      - always set horiz. viscosity arrays to background value before calling
155        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
156        only when using variable horiz. viscosity (useVariableVisc=T);
157      - simplify mom_vecinv.F (only 1 block for momViscosity).
158    o pkg/mom_common: variable horiz. viscosity in NH code
159      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
160        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
161      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
162        useBiharmonicVisc & useVariableVisc.
163      - fix old bug (already in 1rst implementation of variable horizontal viscosity
164        in calc_gw.F, version 1.27, 2006/06/20):
165        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
166        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
167      - change background horiz viscosity in vertical momentum (gW) to always be
168        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
169        any type of variable viscosity, e.g., viscAh/4Grid)
170      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
171        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
172        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
173        default viscAh,viscA4 is zero).
174    o model/src:
175      - extend length of drC & recip_drC from Nr to Nr+1.
176    o Divided Adjoint (DIVA) with MPI:
177      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
178      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
179        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
180    
181    checkpoint64k (2013/07/23)
182    o tools/OAD_support:
183      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
184        and remove it from genmake2.
185    o tools/build_options:
186      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
187        MPI_HEADER_FILES list (let genmake2 find the missing headers)
188    o verification/halfpipe_streamice:
189      - change to driving stress formulation; update both Fwd & AD output.
190    o tools/genmake2 and Divided Adjoint with MPI:
191      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
192      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
193      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
194        Makefile, which is set by genmake2, and check which mpi-headers are needed.
195        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
196      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
197    o testreport:
198      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
199        perform additional runs (number of additional runs is "add_DIVA_runs" taken
200        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
201    o verification/lab_sea (AD test):
202      - change to test Divided Adjoint Run in this set-up (both standard AD test
203        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
204    o pkg atm_ & ocn_compon_interf:
205      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
206        staggerTimeStep implementation) and disable (retired) corresponding
207        parameter.
208    o pkg/offline:
209      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
210      - add S/R OFFLINE_CHECK to print offline parameter summary
211        and stop if loading a file that is not used;
212      - enable to calculate GMRedi tensor, KPP mixing and convective index
213        when the corresponding file(s) is/are not specified (but pkg is used).
214      - comment out resetting of monitorFreq (to endTime) since it still useful
215        for monitoring CFL numbers and checking offline fields.
216    o OpenAD:
217      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
218        smaller standard output) and generate new (smaller) output (on baudelaire
219        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
220    o model/src:
221      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
222        (where external_forcing_adjust was called) and change list of arguments;
223      - merge external_forcing_adjust.F into external_forcing_surf.F
224      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
225        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
226        previously in file "balance_relax.F", now removed); remove corresponding
227        arrays in FFIELDS.h.
228      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
229        a hack for getting back surfaceForcingS (loaded from file) when using
230        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
231      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
232        (was getting only 11 digits for AD-grad, due to different truncation
233         error in AD code).
234    
235    checkpoint64j (2013/07/04)
236    o pkg/offline:
237      - to enable the use of other features with pkg offline (e.g., obcs),
238        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
239      - comment out "allowFreezing" (now active) in 2 offline testing exp.
240    o pkg/exf ALLOW_RUNOFTEMP
241      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
242      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
243      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
244    o pkg/atm_phys:
245      - allows to add some damping on uVel,vVel (strength only function of k).
246    o verification, ad-tests:
247      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
248        global_ocean_ebm and offline_exf_seaice.thsice.
249    o verification/halfpipe_streamice:
250      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
251        flux input boundary conditions to be ignored; a fix for this bug changed
252        verification results for forward test.
253      - add adjoint test.
254    o pkg/ptracers:
255      - allow to restart without SOM pickup (resetting SOM to zero).
256    o pkg/gmredi:
257      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
258      - It uses mixing length theory and suppression by steering level effects to
259        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
260        to JPO, for more details).
261      - It also uses the diffusivity to calculate an eddy induced streamfunction
262        based on a PV closure (rather than a buoyancy closure as in GM).
263      - New files added to pkg/gmredi:
264        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
265          induced overturning streamfunction (called from gmredi_calc_tensor)
266        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
267          for use in gmredi_k3d
268        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
269          the eddy diffusivity
270    
271    checkpoint64i (2013/06/18)
272    o pkg/cheapaml:
273      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
274        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
275        with pkg/cheapaml.
276    o utils/python: add subpackage for cubed sphere function, first example is
277        simple cs.pcol to plot 2D fields on a map
278    o pkg/streamice:
279      - This is a new package in MITgcm, which solves dynamic equations for ice
280         sheets and ice streams
281      - At the moment it is independent of atmosphere/ocean dynamics, or any
282        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
283        ed that this will change)
284      - There is a new verification exercise that tests it, halfpipe_streamice,
285        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
286        rectangular embayment
287      - halfpipe_streamice is forward-only for now, will have TAF test soon
288      - for questions, email dgoldber@mit.edu
289    o pkg/thsice:
290      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
291        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
292      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
293         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
294      - allow precip from pkg/cheapaml to make snow over seaice.
295    o pkg/cfc:
296      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
297      - remove atmos CFC 2-D arrays from common bloc (now local variables)
298      - change some hard-coded constant to run time parameter for reading and
299        and interpolating atmospheric CFC ; keep same default as previously.
300      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
301      - put arguments in standard order: myTime, myIter, myThid
302      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
303        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
304      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
305      - new routine to print summary of CFC params and check for consistency.
306    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
307      similar to thsice_advdiff.
308      Note that for the B-grid case the routine parameters uc/vc are overwritten.
309    o pkg/cfc:
310      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
311        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
312      - fix interpolation of atmphspheric CFC between Sorthern and Northern
313        hemisphere value.
314    o pkg/seaice:
315      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
316    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
317                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
318      - requires an additional time level that is stored in the pickup
319      - you can start with AB2 from a pickup without this time level with
320        pickupStrictlyMatch = .false.
321    
322    checkpoint64h (2013/05/26)
323    o pkg/cheapaml:
324      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
325        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
326      - consistent treatment of uWind,vWind location: assume everywhere in
327        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
328        (Note: was already the case for Tair,Qair advection);
329        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
330      - compute diabatic forcing only in the interior (excluding overlap regions)
331      - fill in array "Qsw" (for short-wave heating);
332      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
333        before any update (consistent with MITgcm state var diagnostics);
334      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
335        non periodic ; + adjusted for uWind,vWind (C-grid).
336    o pkg/seaice:
337      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
338        add explicitly pkg/exf in experiments that currently use pkg/seaice.
339      - allows to compile pkg/seaice without pkg/exf.
340    o tools/OAD_support:
341      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
342        of array "ourStepOf" in function rvNextAction (revolve.F90).
343    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
344      - change pkg name (to be used with other atmospheric physics pkg)
345        but by-pass CVS when making the new pkg so that we keep the CVS history.
346    o pkg/offline:
347      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
348        (previously called from pkg/dic_surfforcing_init.F)
349    o model/src:
350      - re-order sequence of calls within packages_init_variables.F, using
351        standard order, except for:
352         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
353         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
354    o new pkg: atm_phys
355      - add entry point and source code (previously in contrib
356          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
357        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
358      - re-order sequence of calls within packages_readparms.F,
359         packages_init_fixed.F and packages_write_pickup.F
360        (but skip packages_init_variables.F because of TAF issues).
361      - update contrib/*/atm_gray/ experiment.
362    o pkg/seaice (ITD code):
363      - simplify and fix the writing of pickup-files for ITD case
364    o pkg/seaice (ITD code):
365      - introduce floe size dependent lateral melt for ITD case;
366      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
367      - update seaice_itd experiment main output.
368    o pkg/thsice:
369      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
370        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
371        changed accordingly pkg/atm2d.
372    
373    checkpoint64g (2013/05/01)
374    o pkg/exf ALLOW_RUNOFTEMP
375      - if defined,  river and glacier runoff temperature can be read-in from
376        runoftempfile; runoftempfile needs to have same format as runofffile
377    o pkg/thsice (& pkg/bulk_force):
378      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
379        for energy content of Precip + RunOff & Evap (like with pkg/exf).
380      - change computation domain to always be the interior (without overlap).
381      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
382    o verification/tutorial_global_oce_biogeo:
383      - add preliminary OpenAD setup (still has problems)
384    o pkg/seaice:
385      - turn some parameters for choosing the convergence criterion of
386        the inexact Newton method (JFNK) into runtime parameters for convenience
387      - clean up seaice_calc_viscosities.F: remove/retire two options for
388        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
389        the results of lab_sea/input because a division has been replaced by
390        a multiplication with the reciprocal (sumNorm)
391      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
392        convergence of solver (changes results, of course), and to test some
393        new features
394    o model/src:
395      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
396      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
397      - move forcing adjustment (balancing surface forcing) in specific S/R
398        where might also be applied exchanges (if needed) to forcing arrays.
399    o pkg/shelfice:
400      - allow to specify the Ice-Shelf mass per unit area (instead of
401        shelficeLoadAnomaly) and do the conversion from one to the other
402      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
403        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
404        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
405        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
406      - update isomip experiment forward output (get machine truncation error
407        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
408    o verification/offline_exf_seaice:
409      revise data.seaice in input.thermo and input_ad and update results accordingly
410        HO = 0.2, SEAICE_areaLossFormula = 2,
411        SEAICE_growMeltByConv = .TRUE.,
412        SEAICE_doOpenWaterMelt = .TRUE.,
413      Improve consistency with input.thsice and fix the spurious 500m ice corners
414    o verification/global_ocean.cs32x15:
415      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
416        in icedyn (thsice+seaice-dyn) test and update output.
417    o verification/offline_exf_seaice:
418      - adjust list of tested variables (with testreport) and update
419        standard test output with better slection of monitored fields.
420    o pkg/cd_code:
421      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
422        experiment lab_sea.hb87
423    o tools/genmake2:
424      - change default makedepend from the system default to tools/xmakedepend:
425        When no makedepend is specified, select tools/xmakedepend it the test pass,
426        otherwise select the system default (if exist and pass the test) or
427        try to build cyrus-makedepend ; stop if none of the 3 works.
428    o pkg/exf & pkg/thsice:
429      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
430        for energy content of Precip + RunOff & Evap. Assumes:
431       1) Rain has same temp as Air.
432       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
433       3) Run-Off comes at the temp of surface water (with same Cp)
434       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
435        put directly into Latent Heat flux & should use water-vapor heat capacity.
436       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
437        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
438    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
439        (compile when SEAICE_ALLOW_JFNK is defined)
440    o pkg/thsice:
441      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
442        implementation): move THSICE_AVE call after the advection (called directly
443        from thsice_do_advect.F).
444    o verification/global_ocean.90x40x15 and OpenAD:
445      New experiment for OpenAD is identical to the one in input_ad except that
446        multiDimAdvection=.FALSE.,
447      There is still an issue with this.
448    o pkg/thsice:
449      - account for ice velocity (ocean relative velocity) in turbulent heat flux
450        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
451        and offline_exf_seaice (main test).
452    
453    checkpoint64f (2013/03/31)
454    o verification/OpenAD:
455      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
456    o verification/isomip, pkg/shelfice and OpenAD:
457      - add OpenAD setup to this exp and make shelfice package work with OpenAD
458    o verification/tutorial_global_oce_biogeo:
459      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
460    o verification/offline_exf_seaice:
461      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
462    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
463      - add OpenAD setup to this exp and make ptracers package work with OpenAD
464    o pkg/seaice/seaice_evp.F:
465       mask the asymmetric contribution of the ice-ocean stress (when
466       the turningAngle is non-zero) over open water to avoid stripes
467       in the EVP-solutions after many EVP-substeps. This does not change
468       the verification experiment (because turningAngle=0 in that experiment),
469       but will affect other EVP solutions with turningAngle.ne.0
470    o verification, AD & TLM output:
471      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
472        additions and multiplications which affect results at machine truncation
473        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
474        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
475        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
476        digits of matching.
477    o pkg/seaice:
478       modify lsr-algorithm so that it vectorizes AND converges by using a
479       "zebra" method: split vector loop into two with step size 2; this
480       solves a general convergence problem for the JFNK solver on a vector
481       computer. It has the potential to even improve convergence for
482       non-vector machines, but it does change the results so it is turned
483       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
484       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
485    
486    checkpoint64e (2013/03/05)
487    o pkg/ecco and several verification experiments:
488       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
489       from ecco package, and revert to unified routine in model/src/
490       Adjust verification experiments accordingly, especially gloal_oce_llc90
491       Should conclude long-standing work by Gael to reconsile the_main_loop with
492       ECCO and will enable OpenAD's revolve loop in ECCO setup.
493    o pkg/generic_advdiff:
494      - implement compressible flow method for multi-dim advection (similar to
495        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
496        TAF generates many recomputations) to use it; no yet coded with implicit
497        vertical advection.
498      - change experiment advect_cs (new output) and advect_xy (same output)
499        to test compressible flow multi-dim advection.
500    o pkg/generic_advdiff:
501      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
502        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
503    o pkg/seaice:
504      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
505        bug affects two verification experiments (lab_sea and lab_sea.hb87),
506        recover old (wrong) results by setting noSlipFac = 2. in
507        seaice_calc_strainrates.F;
508      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
509      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
510        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
511      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
512    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
513      - new subroutines seaice_lsr_tridiagu/v
514      - introduce loop bounds i/jmin/max to be able to use a restricted
515        additive Schwarz method, but not used for now.
516      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
517      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
518    o OpenAD support
519       Reorganize S/R call for overall time-stepping loop to facilitate
520       OpenAD revolve loop replacement
521       (new S/R main_do_loop.F)
522    o model/src:
523      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
524      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
525        ADAMS_BASHFORTH2.
526    o pkg/cheapaml:
527      - add new parameter (default=F, same as before) to disable full domain
528        (including land) periodicity in X & Y dir.
529      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
530        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
531        into single S/R CHEAPAML_TIMESTEP.
532    
533    checkpoint64d (2013/02/17)
534    o pkg/monitor (angular momentum):
535      - do not add Eta contribution to the total AM if using rigid-lid;
536      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
537      - horizontal discretisation: compute Zonal wind contribution separately for
538        each component (instead of from cell centered averaged) and use the 4
539        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
540      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
541        FreeSurf) if using vectorInvariant momentum.
542    o model/src (horizontal grid):
543      - move initialisation of all horizontal grid arrays to null value
544        from specific horizontal grid S/R to main S/R INI_GRID;
545      - add 2 new arrays to project model C-grid velocity on to zonal direction
546        (similar to AngleCosC & -AngleSinC but at U and V point location) and
547        compute them in S/R CALC_GRID_ANGLES.
548    o pkg/seaice: replace a hard coded parameter by a runtime parameter
549        SEAICE_JFNK_tolIter
550    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
551        preconditioner for JFNK (run LSR into the overlaps as far as possible,
552        i.e OLx/y-2, but overwrite the solution in the overlaps)
553      - extend loop range in seaice_calc_viscosity
554      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
555      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
556      - slightly modify loops in tridiagonal solver lsr-preconditioner
557      - by default remove the extra exchange in seaice_preconditioner with a
558        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
559      - modify offline_exf_seaice so that old results without RAS are reproduced
560        for output.dyn_jfnk.txt
561      in seaice_fgmres.F (unrelated to RAS)
562      - add a cpp-flag option for a re-ordered mapping (potentially more
563        efficient), but because this changes the results, turn it off by
564        default
565      - replace the save statement by local common blocks
566    o utils/matlab:
567      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
568      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
569        instead of local script "load_cs.m".
570    o pkg/seaice:
571      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
572        to the scalarProductMetric and the unrolling. By chance this does not
573        change the verification experiment, because of the particular domain
574        decomposition
575    o pkg/diagnostics:
576      - change default missing_value from UNSET_RL to -999.
577    o pkg/layers: improve vectorization of layers_fluxcalc.F
578      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
579        time spent in this routine by more than a factor of 3 on an NEC-SX8
580      - step 2: replace search algorithm by a bisection algorithm found in
581        Press et al. Numerical Recipes in Fortran. This algorithm can be
582        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
583        For now, use this algorithm only for TARGET_NEC_SX defined.
584      - moved the search algorithm into a separate subroutine, that is kept
585        within the same file for automatic inlining.
586      - modified catching potential errors
587    o pkg/ecco:
588      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
589    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
590      - modifications for ALLOW_GENTIM2D_CONTROL
591      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
592      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
593      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
594      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
595    o model/src:
596      - account for moist thermodynamics in (dry) potential temperature equation;
597        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
598        and cpl_aim+ocn.
599      - also switch to standard compiler (gfortran, was using ifort previously)
600        for fizhi-cs experiments reference output.
601    o pkg/ctrl:
602      - 1st step toward generic time-varying control variable (2D) via CPP option
603        ALLOW_GENTIM2D_CONTROL
604      - note new namelist ctrl_nml_genarr in data.ctrl
605    o verification/global_ocean.cs32x15:
606      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
607        thsice calling sequence and update "output.icedyn.txt" output file.
608    o pkg/ptracers:
609      - from Ryan A.: code to allow to restart a tracer at regular time interval
610        specifying a reset frequency and a reset-phase (for each tracers).
611    o pkg/thsice:
612      - implement new sequence of calls for thsice+seaice:
613          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
614          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
615      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
616        in CPP_OPTIONS.h) to recover old sequence;
617      - update diagnostics for Intermediate State thsice diagnostics: now filled
618        just before advection (instead of just after advection in old sequence);
619      - update output of experiment offline_exf_seaice (standard test);
620      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
621        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
622    o pkg/aim_v23:
623      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
624      - use standard pkg/mdsio routines to read & write CO2 pickup file;
625      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
626      - Implement new sequence of calls for seaice advection (with thsice and
627        seaice diffusion): do ice advection after ice-Thermodynamic (previously
628        was done before); change aim_do_physics.F (split the bi,bj loops block);
629      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
630    o pkg/thsice:
631      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
632        where just seaice diffusion is used without seaice-dynamics.
633    
634    checkpoint64c (2013/01/18)
635    o pkg/seaice:
636      - add a parameter JFNKres_tFac that can replace JFNKres_t
637        (= JFNKres_tFac*JFNKresidual before JFNK solver)
638      - add a line search option to the JFNK solver
639      - move update of u/vIce and computation of initial residual into a separate
640        routine (same file); makes the code a little easier to read (?)
641      - the line search requires computation of the residual and for some reason
642        I cannot do the update of u/vIce at the beginning of the Newton loop
643        without changing the results, so we move computation of the new residual
644        also to the end of the Newton loop, even without the line search
645    o pkg/mdsio:
646      - write missing value (corresponding to undefined array value) to meta files;
647        skip this if missing value is one (UNSET_RL would be a better value for the
648        case of undefined missing value but it's current the default missing-value);
649        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
650    o pkg/exf & thsice:
651      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
652        diagnostics) even when SHORTWAVE_HEATING is #undef;
653    o verification/cfc_example:
654      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
655        illustrate how to use it).
656    o verification/offline_exf_seaice:
657      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
658        files to only one time-record.
659      in input.thermo: narrow the 2 bands of low initial ice-concentration near
660        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
661        snapshot output; same mcPheePiston value as in thsice with
662        surf-current=0.2m/s.
663      in input.thsice: similar set-up as in input.thermo (channel with same seaice
664        initial conditions).
665    o verification/cfc_example:
666      - update file "data" with more standard choice (default rotationPeriod,
667        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
668        set deltaTFreeSurf to deltaTtracer) and update the output.
669    o pkg/layers:
670      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
671      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
672    o verification/offline_exf_seaice:
673      - set all {field}period to zero for constant-in-time forcing (not tested
674        anywhere else).
675    o verification/offline_exf_seaice:
676      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
677      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
678    o model/src:
679      - implement Finite-Volume method for (hydrostatic) presure gradient
680        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
681    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
682      - In order to be compatible with the default EVP code, this requires changing
683        the EVP code around a little; and because any small change immediately
684        breaks the lab_sea.hb87 verification experiment, the reference output is
685        updated two times (each time the remaining aggrement was only 2 digits):
686        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
687        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
688        The adjoint test lab_sea.evp also needed to be updated.
689      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
690        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
691        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
692        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
693        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
694        kept obscure, because I need to test it a little more.
695    o pkg/cheapaml:
696      - fix few incorrect type (_RL/_RS) in subroutine calls.
697    o pkg/seaice:
698      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
699        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
700    o model/src:
701      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
702        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
703        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
704    o pkg/cheapaml:
705      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
706        update output of experiment cheapAML_box.
707      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
708        and set them only in one place (cheapaml_readparms.F).
709      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
710      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
711        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
712    o model/src/the_main_loop.F:
713      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
714    o pkg/seaice:
715      - remove legacy branch code.
716      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
717    o verification/*/code*/SEAICE_OPTIONS.h:
718      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
719        SEAICE_CAP_HEFF).
720    o pkg/cheapaml:
721      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
722        to load new forcing fields.
723      - add missing "_d 0" where it's needed; + some editing (improve indentation).
724      - remove switch to "-r8" compiler option (no longer needed) in verification
725        cheapAML_box, keep same output (small trucation error differences).
726    o verification/offline_exf_seaice:
727      - add thermodynamics only test.
728    o verification/cheapAML_box:
729      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
730        keep same output (same 14 digits for cg2d).
731      - switch on "-r8" compiler option (some numerical values are missing
732        the "_d 0") and update output (only 6 digits for cg2d were preserved).
733    
734    checkpoint64b (2012/12/24)
735    o pkg/cheapaml:
736      - remove un-used variables (Qnet,EmPmR) from pickup files.
737      - store tendency of advected variables into cheapaml pickup file
738        and fix the AB-2 restart.
739    o verification/offline_exf_seaice and lab_sea adjoint:
740      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
741      - switch to 4 time steps in offline, consistent with lab_sea.
742      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
743      - update results after change of experiment seaice.
744    o pkg/seaice:
745      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
746        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
747        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
748        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
749    o model/src:
750      - add run-time parameter to select CG2D solver minimum-residual solution
751        (in case of a poor convergence).
752    o pkg/seaice/seaice_lsr.F
753      - move calculation of matrix coefficients into new
754        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
755        file; the main purpose of this change is to be able to reuse the code
756        in S/R SEAICE_PRECONDITIONER
757      - modify the computation of the residual so that the mass of sea-ice
758        is not used twice; this simplifies the calculations, but since
759        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
760        not tested in testreport---this does not affect the testreport results.
761    o verification/seaice_obcs:
762      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
763        verification/lab_sea/input.salt_plume; changes results/output.txt*
764    o model/src:
765      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
766    o pkg/seaice:
767      - improve description of parameters in seaice_fgmres.F and start
768        cleaning up the code
769      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
770        second argument
771      - add a metric based on grid cell area to SEAICE_SCALPROD; update
772        results of offline_exf_seaice.dyn_jfnk
773      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
774    o pkg/aim_v23:
775      - fix an other bug in dissipation heating (grid-cell area was missing).
776    o model/src + pkg/seaice:
777      - add global (multi-tile) linear solver for pair of tri-diagonal system
778        along X and Y lines, respectively for U and V component.
779        Note: 1) MPI and cube-exchange not yet coded.
780            2) probably not accurate for poorly conditioned / large size problem.
781      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
782        default: not compiled and not used.
783    o pkg/seaice:
784      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
785        introduce bi/bj loops and use global_sum_tile_rl instead of
786        mpi_allreduce in seaice_fgmres.F
787      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
788      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
789      - add a verification experiment for JFNK in offline_exf_seaice
790    o verification:
791      - change (for now, only fwd test) offline_exf_seaice experiment:
792        use a re-entrant channel with idealized coastline (trapezoidal shape)
793        at southern boundary to explore seaice dynamics and thermodynamics
794        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
795        secondary test (input.thsice) use thermodynamics only with SST relaxation.
796      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
797    o pkg/exf:
798      - disable "sstExtrapol" when Nr=1
799    o verification:
800      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
801        to test pkg/cheapaml.
802    o pkg/aim_v23 & pkg/shap_filt:
803      - fix dissipation heating (erroneous gravity multiplication factor).
804    o pkg/seaice:
805      - remove unused field pressPre from jfnk solver
806      - rename two subroutines in seaice_preconditioner.F
807    o eesupp/src:
808       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
809    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
810       - remove wrong parts of the rhs and the lhs (were in there
811         because I did not understand the concept of this preconditioner)
812       - add an exchange between u- and v-sweep. This increases communication
813         by a factor of two but improves the convergence of jfnk. Ideally,
814         one would like the u- and v-sweep to be independent. So far within
815         undocumented ifdefs
816       - reorganize the extra computations for printing the residuals
817    o tools/genmake2:
818      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
819        since it's not necessary (and was preventing to use MNC in some cases).
820    
821    checkpoint64a (2012/11/16)
822    o pkg/autodiff:
823      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
824        autodiff_readparms.F no longer depends on calling order (within
825        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
826        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
827        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
828    o pkg/obcs:
829      - adding tidal velocity forcing capability to obcs
830        for usage example, see verification/seaice_obcs/input.tides
831    o pkg/seaice:
832      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
833        SEAICE_LSRrelaxU/V
834      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
835    o pkg/aim_v23:
836      - implement heating from friction (bottom friction and stratospheric drag).
837    o pkg/shap_filt:
838      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
839        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
840    o model/src:
841      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
842        time-constant addMass field from file (addMassFile);
843      - support for heating due to friction (and Kinetic Energy dissipation):
844        add option, run-time switch and 3-D field array + support code ; each pkg
845        or S/R can add heating contribution (if there is a sink of KE); the sum is
846        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
847    o pkg/seaice:
848      - complete merge of ITD code into seaice_growth.F
849        from MITgcm_contrib/torge/itd/code/
850        no verification so far, but Torge Martin tested
851        "1-D test case and Beaufort set up;
852        deliver okay results after 1 model year."
853      - complete merge of SEAICE_SIZE.h into all relevant routines
854      - move computation of eta at Z-points into calc_viscosities
855        + introduce global field etaZ
856        + add different methods for computing etaZ, for now the old
857          method (simple averages of eta to Z-points) is hardwired
858        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
859          seaice_preconditioner
860      - simplify computations for SEAICE_ZETA_SMOOTHREG
861      - seaice_preconditioner:
862        + replace one remaining press by pressLoc (mistake)
863        + adjust printing of residuals
864      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
865        + add (SEAICE.h) and rename some counters (initiliased in
866          seaice_init_fixed.F)
867        + add _BEGIN/END_MASTER (myThid)  around print statements
868        + print total number of iterations and failures over SEAICE_monFreq
869          interval to STDOUT
870      - move control over output-messages by fgmres to seaice_jfnk to save
871        some operations
872      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
873        in order to make restarts with sol .ne. zero (fgmres with restarts)
874        (seaice_jfnk.F, seaice_fgmres.F)
875      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
876        a serious convergence problem when open boundaries are involved
877    o pkg/ggl90: fix computation of control volumes for the case of
878      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
879      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
880    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
881    o pkg/autodiff
882      - Add inAdMode switch for SEAICEuseDYNAMICS:
883        SEAICEuseDYNAMICSinAdMode
884        (extend logic in ADAUTODIFF_INADMODE_SET)
885    o pkg/seaice
886      - Step 1 of merging ice-thickness distribution (ITD) code from
887        MITgcm_contrib/torge/itd/ (author: Torge Martin)
888        The code implements concept laid out in Thorndike et al. (1975);
889        code is enabled via CPP flag SEAICE_ITD
890        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
891        code is not complete yet!!
892      - SEAICE_SIZE.h now included in almost all seaice routines
893    o verification (using seaice):
894      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
895        global_ocean.cs32x15.seaice ; update results.
896      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
897      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
898        offline_exf_seaice (previously compiling B-grid).
899    o pkg/exf:
900      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
901        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
902        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
903    o pkg/layers (adjust changes from Sept 19):
904      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
905        this allows to remove "layers_maxNum" dimension from all layers arrays.
906    o pkg/layers (adjust changes from Sept 19):
907      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
908      - snap-shot extended to all type of layers (not just the 1rst type);
909      - remove layers variables when corresponding CPP option is undef.
910    o pkg/layers:
911      - rename pkg/layers variable and add new output (layer exist & un-weighted
912        velocity in layer)
913    o pkg/seaice:
914      - simplify (?) ocean-drag coefficent computations by using
915        the same routine in all three solvers (saves some code lines)
916      - remove global fields DRAGA and DRAGS from C-grid code and
917        declare them locally in lsr.F (the only place where they are
918        still used)
919      - update AD output of lab_sea.evp (very sensitive anyway).
920    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
921      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
922      and SEAICEuseJFNK=.true. A few things to note:
923      - involves a FGMRES, that is parallel but very inefficient,
924        because of many scalar products (global sums) in the Gram-Schmidt
925        orthogonalization method. Needs to be replaced. Original code
926        from J.-F. Lemieux
927      - preconditioner for FGMRES is a stripped down version of LSOR
928      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
929        preconditioner. For the preconditioner, the default is set to 10.
930      - Jacobian times vector is computed with finite differences
931      - marginally related to JFNK-solver: add a smooth regularization for
932        zeta with tanh that will improve convergence (Lemieux and Tremblay,
933        2009) for any implicit solver (not implemented for EVP because EVP
934        does not need this regularization in the first place). Define
935        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
936    o eesupp/src:
937      - check in genmake2 that intrinsic S/R flush is available.
938      - add S/R to flush IO unit (if intrinsic S/R flush is available)
939      - flush standard & error msg unit before MPI termination
940      - if debugMode, flush IO unit after printing msg
941    o pkg/ctrl:
942      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
943        to ctrl_set_unpack_xyz.
944    
945    checkpoint64 (2012/10/09)
946    o pkg/shelfice
947      - in mom_fluxform.F, mom_vecinv.F:
948        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
949        Bug fix KappaRU -> KappaRV
950        does not change verification/isomip but may change other setups
951        (presumably constant KappaRU=KappaRV)
952      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
953    o pkg/obcs:
954      - fixed some indexing bugs in obcs_seaice_sponge.F
955      - added obcs relaxation subroutines for HSALT and HSNOW
956      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
957    o pkg/seaice:
958      - add "multicategory" parameterization for snow in analogy to ice,
959        default is off for now.
960    o pkg/obcs:
961      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
962        see verification/seaice_obcs/input.seaiceSponge for example application.
963      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
964        index setting by master-thread. This fix multi-threads Pb in previous modifs.
965    o pkg/layers :
966      - add diagnostics to pkg/layers
967      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
968        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
969    o pkg/generic_advdiff/gad_implicit_r.F :
970      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
971    o pkg/seaice/seaice_growth.F:
972      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
973    o pkg/obcs:
974      - change default setting of OBCS_UVICE_OLD from defined to undef;
975      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
976        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
977      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
978      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
979        with Southern & Western OB at a tile edge (at least in a simple set-up).
980    o pkg/obcs:
981      - change settings of OB index in case OB coincides with tile edge (shared by
982        2 tiles), so that common OB location is registered by both tiles (instead of
983        only 1). However, for Southern and Western OB, index value = 0 is not
984        recognized as valid OB index (=default null value) and needs to be fixed.
985      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
986      - new parameter "OB_indexNone" for null index value (for now, still zero)
987        to replace hard-coded null index value of zero.
988    o pkg/exch2:
989      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
990        always check buffer-size (but outside the loop); move checking for valid
991        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
992        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
993    o pkg/ctrl (pack & unpack):
994      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
995        (locally defined) for different variables (+ remove the variable-specific
996        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
997        (to be extended to other local file names in ctrl.h).
998    o pkg/flt:
999      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
1000    o pkg/mdsio:
1001      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
1002    o tools/genmake2:
1003      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
1004        (added by Alistair in version 1.51 for building without make depend);
1005      - remove Header files list (H_SRC_FILES) from the dependence of targets
1006         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
1007        place in version 1.23): this save going through staf when unrelated header
1008        file has been modified.
1009       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
1010        "make depend" step, still need to do "make links" before "make adtaf".
1011    o eesupp/src (+ few pkg src files) & genmake2:
1012      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
1013      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
1014      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
1015         upper/lower case ; account for space between "#" and undef/define)
1016    o pkg/flt (with exch2):
1017      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
1018      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
1019    
1020    checkpoint63s (2012/09/05)
1021    o pkg/ecco:
1022      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
1023      - add more relevant #ifdef ALLOW_SMOOTH ones.
1024      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
1025    o pkg/ctrl:
1026      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
1027        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
1028      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
1029        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
1030        ctrlSmoothCorrel3D (new).
1031        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
1032      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
1033      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
1034        controls when useAtmWind, and vice versa.
1035      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
1036      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
1037          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
1038      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
1039          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
1040      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
1041        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
1042    o pkg/smooth:
1043      - remove un-necessary includes.
1044      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
1045        Those CPP options were never defined, and not necessary.
1046    o model/src:
1047      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
1048      - standard treatment of useSMOOTH.
1049    o pkg/autodiff:
1050      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
1051        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
1052    o pkg/exch2:
1053      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
1054        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
1055      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
1056        and tiles to process mapping.
1057      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
1058        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
1059        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
1060        from w2_eeboot.F to w2_readparms.F.
1061    o eesupp/src:
1062      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
1063        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
1064        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
1065      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
1066        is defined (remove condition on usingMPI) to match cases where MPI_INIT
1067        has been called.
1068      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
1069      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
1070        (so that on 1 proc, get same myPid independently of usingMPI)
1071      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
1072        useCubedSphereExchange with EXCH-1 (safer).
1073      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
1074    o pkg/ggl90:
1075      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
1076        used in ALLOW_GGL90_SMOOTH code.
1077    o pkg/flt:
1078      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
1079        floats at the Southern end of the domain).
1080    o eesupp/inc:
1081      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
1082        but not used (and not to be used) anywhere, just for documentation.
1083    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
1084      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
1085        a) can damage previously written records in any other multi-record files.
1086        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
1087    o tools/genmake2:
1088      - define variable MAKE within Makefile and use it in place of 'make';
1089      - update AD_CONFIG.h (if needed) before building any of the executable
1090        (forward, adjoint or tangent-lin); this involves a 2nd invocation of make;
1091        and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
1092      - always print usual warning comment 'this file is automatically generated'
1093        from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
1094    o pkg/cheapaml:
1095      - updated to correspond to the code used in accepted paper (Nico Wienders).
1096    o pkg/exf:
1097        added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
1098        ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)
1099        and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).
1100    o pkg/exf, autodiff, ctrl, ecco and seaice:
1101        remove ALLOW_ATM_WIND brackets, or replace them with useAtmWind ones.
1102    o pkg/ctrl, ecco:
1103        allow to compile both ALLOW_U/VSTRESS_CONTROL and ALLOW_U/VWIND_CONTROL.
1104        Depending on useAtmWind, one is inactive, and the other is active (see
1105        exf_getffields.F/exf_getsurfacefluxes.F).
1106    o tools/genmake2:
1107      - improve error msg when failing in 2nd test of check_for_broken_Ff
1108      - fix option '-makefile' short-name (-mf according to genmake2 -help)
1109      - source local config file "genmake_local" just after processing the genmake2
1110        command arguments (previously done before processing arg).
1111    o pkg/grdchk:
1112      - add a call to TURNOFF_MODEL_IO for Tangent-Linear run (in this case, call
1113        to this routine from cost_final has been dropped in g_cost_final)
1114      - improve printed information (more explicit msg, no longer using "print *,"
1115         fix fcpertminus printed value).
1116    o model/src:
1117      - move call to COST_INIT_VARIA out of packages_init_variables.F directly
1118        into initialise_varia.F (just after calling PACKAGES_INIT_VARIABLES):
1119        this prevents getting cost-funct reset in adinitialise_varia recomputations.
1120    o pkg/dic:
1121      - move initialisation of "freefe" array from from dic_biotic_forcing.F to
1122        fe_chem.F: this prevents TAF from dropping this initialisation in TLM code.
1123    o pkg/grdchk:
1124      - grdchk_main.F : added CALL GLOBAL_SUM_INT( ierr , myThid )
1125      - grdchk_getadxx.F etc. : omit I/O if ierr.EQ.0
1126    o pkg/autodiff/ctrl/grdchk :
1127      - attempt to sort out what works and what does not,
1128        with regard to I/O, and to warn/stop accordingly.
1129    o pkg/grdchk:
1130      - attempt to fix grdchk in the case of useSingleCpuIO.
1131      - "if ( myProcId .EQ. grdchkwhichproc .AND. ierr .EQ. 0 )"
1132       statements were moved from grdchk_main.F and into
1133       grdchk_getadxx.F grdchk_getxx.F grdchk_setxx.F.
1134      - a global sum is applied to record numbers icvrec/layer
1135       out of grdchk_loc so that they be passed to I/O routines.
1136    o pkg/smooth:
1137      - fix recomputation that appeared with nlfs : use smooth_recip_hFacC,
1138        smooth_hFacW, smooth_hFacS (copied at init_fixed) in 3d case.
1139    o verification/testreport:
1140      - add option '-tlm' for Tangent-Linear test (-adm,-oad,-tlm are all exclusive);
1141      - can also use compressed (gzip) reference output file;
1142      - change format (in pkg/grdchk) of TLM output (+ add forward gradient)
1143        to be easier to collect by testreport.
1144      - update existing TLM output (half out-of-date by more than 3 yrs).
1145      - report NETCDF & LAPACK settings (from genmake2) in output dir.
1146      - report run-time in each individual summary (previously only for AD test);
1147        for TLM test, add also TAF version.
1148      - add daily TLM test on (old) aces cluster + weekly test on baudelaire.
1149    
1150    checkpoint63r (2012/08/15)
1151    o tools/genmake2:
1152      - fix Makefile for target ftlall (+ update files to clean after make ftlall)
1153    o pkg/ecco/ecco_cost_final.F :
1154      - fix fc print statements (to stdout and costfunction0000) so
1155        that the printed value is always after the global sum.
1156    o pkg/seaice/seaice_dynsolver.F :
1157      - fix ice strength assymptote at SEAICE_area_max<1
1158        (no change for the standard case of SEAICE_area_max=1)
1159    o some cleaning:
1160      - pkg source files: ensure that all *.F files from each pkg included the
1161        corresponding ${PKG}_OPTIONS.h file (except stand-alone src file which
1162        only includes CPP_EEOPTIONS.h); fix S/R CTRL_SMOOTH ; update AD experiment
1163        code_ad/*.F src files; add new option-file in pkg/admtlm + corresponding
1164        includes;
1165      - model/src: add PACKAGES_CONFIG.h wherever ALLOW_AUTODIFF[_TAMC] is used.
1166      - ALLOW_DIFFKR_CONTROL: add a stop in S/R CTRL_CHECK in case ALLOW_3D_DIFFKR
1167        is undef; also define /DYNVARS_DIFFKR/ common block in DYNVARS.h when
1168        ALLOW_DIFFKR_CONTROL is defined, to allow to compile and reach this stop.
1169      - update option-file CPP_OPTIONS.h of all AD experiments:
1170        * no longer include PACKAGES_CONFIG.h ;
1171        * includes ECCO_CPPOPTIONS.h if PACKAGES_CONFIG.h has been included ;
1172        * def/undef ALLOW_3D_DIFFKR independently of ALLOW_DIFFKR_CONTROL (before
1173          including ECCO_CPPOPTIONS.h).
1174    o pkg/cost, pkg/ctrl, pkg/ecco option-file:
1175      - clean-up and split content of old pkg/ecco/ECCO_CPPOPTIONS.h file into
1176        separated pkg option-file (done according to old doc from ECCO_CPPOPTIONS.h,
1177        not necessary accurate).
1178      - add a template for option-file ECCO_CPPOPTIONS.h, mostly empty, in
1179        pkg/autodiff, i.e., the 1rst pkg to compile for adjoint built, with lines to
1180        deliberately break compilation (a remainder that it needs to be customized)
1181      - in pkg/ecco, includes ECCO_OPTIONS.h instead of COST_OPTIONS.h
1182      - rename COST_CPPOPTIONS.h to COST_OPTIONS.h
1183      - rename CTRL_CPPOPTIONS.h to CTRL_OPTIONS.h
1184    o tools/genamke2:
1185      - check for lapack.
1186    o pkg/cost and pkg/ecco : attempt to sort out some of the limiting intricacies.
1187      - pkg/cost.cost_final.F : allow for use of pkg/ecco and pkg/cost cost functions
1188        jointly. The exclusive ifdefs were removed, to add costs terms (when defined)
1189        from both packages.
1190      - the fc global sum in pkg/ecco/ecco_cost_final.F was removed accordingly.
1191      - for objf_atl we use either the pkg/ecco or the pkg/cost term depending on CPPs.
1192      - pkg/ecco and model/src : add CPP brackets around pkg/cost and pkg/ctrl includes
1193        of "CTRL_SIZE.h" "ctrl.h" "ctrl_dummy.h" "optim.h" / "cost.h" accordingly.
1194    o pkg/cost : add comments to explain special and/or untested setups.
1195    o pkg/exf:
1196      - use EXF_OPTIONS.h to set pkg/exf options except if done in ECCO_CPPOPTIONS.h
1197        (previously, ALLOW_AUTODIFF_TAMC was controling this switch).
1198    o verification/*/code_ad:
1199      mimimal cleaning of AD experiments ECCO_CPPOPTIONS.h option-file:
1200      - reccord when this file is included (define ECCO_CPPOPTIONS_H)
1201      - remove the most obvious obsolete features (e.g., #define ALLOW_COST not
1202        allowed since Oct 2003 in any option-file except in PACKAGES_CONFIG.h)
1203    o pkg/seaice :
1204      - added possibility to change ice strength/PRESS0 relationship to
1205        HEFF, according to the following run time parameters
1206        SEAICEpresPow0 :: HEFF exponent for ice strength below SEAICEpresH0 (integer, >0)
1207        SEAICEpresPow1 :: HEFF exponent for ice strength above SEAICEpresH0 (integer, >0)
1208        SEAICEpresH0   :: HEFF threshold for ice strength            (m)
1209    o pkg/ggl90 :
1210      - added run time flag mxlSurfFlag to include the code that ensure
1211        mixing between first and second level (previously included as a comment)
1212    o verification/1D_ocean_ice_column/input_ad/data.autodiff :
1213      - add test of newly added dumpAdByRec=T option where
1214        we write all records to one file per variable.
1215    o verification/global_ocean.cs32x15/code_ad/CPP_OPTIONS.h :
1216      - switch to #define ALLOW_BALANCE_RELAX and ALLOW_BALANCE_FLUXES
1217        to check that this code is ok with taf and compiles in adjoint.
1218    o pkg/autodiff :
1219      - added run time param dumpAdByRec : ad dump format switch.
1220        If true then write all records to one file per variable.
1221        Else write one file per record (remains the default).
1222      - revise seaice_ad_dump.F and exf_adjoint_snapshots_ad.F accordingly.
1223    o pkg/seaice:
1224     - Added SEAICEuseTILT run time switch : if set to
1225       false then omit the tilt term in seaice dynamics.
1226     - Fix free drift calculation.
1227    o pkg/shelfice:
1228      When initializing SHELFICEDragQuadratic, set default to be
1229      consistent with shiCdrag in case SHELFICEuseGammaFrict is used,
1230      but retain option to set it independently
1231      (inconsistenty spotted by Veronique Dansereau)
1232    o eesupp/inc:
1233      - in EEPARAMS.h, add real-type constant for some frequently used simple number
1234         (0,1,2,1/2), with name explicitly referring to RS/RL type.
1235    o model/src:
1236      - move balancing of relaxation terms to new S/R balance_relax.F.
1237    o pkg/autodiff:
1238      re-write active I/O high-level (control) S/R:
1239      - rename  S/R ACTIVE_READ/WRITE_RL to ACTIVE_READ/WRITE_3D_RL
1240      - add 1 more argument (useCurrentDir) to replace the "_LOC" 2nd set of S/R.
1241      - use standard pkg/mdsio I/O routines (MDS_READ/WRITE_SEC_XZ/YZ  and
1242        MDS_READ/WRITE_FIELD); change loops to multi-threads.
1243      - update and merge active_file_control_slice.flow into active_file_control.flow
1244      - update the calls in lower level S/R (active_file.F, active_file_g.F and
1245        active_file_ad.F) keeping the argument list and function unchanged.
1246      - also update lower-level "_LOC" version (call same S/R with "useCurrentDir
1247        =.TRUE.") and remove high-level (control) _loc version (not called anymore).
1248      - new low-level active I/O routines, one for each type (RL/RS), for active var
1249        of various (XY,XZ,YZ) shape and level number (arguments: arrShape, myNr);
1250        fix ctrl_init_wet.F & ecco_cost_weights.F by calling the new S/R with the
1251        right type.
1252    o autodiff and RS=real*4:
1253      - call the right type (_RS instead of _RL) of S/R in few output S/R (pkg/exf
1254        ad-monitor and snapshots); disable arrType='RS' in mdsio_gl*.F ;
1255      - change argument type of 3-D mask argument to _RS to match type in the call
1256        (in seaice_cost*.F, ctrl_*_gen.F and *ctrl_bound.F); to be continued.
1257    o pkg/thsice:
1258      - re-anable balanceEmPmR when useSEAICE=T with useThSIce=T.
1259      - option to correct ocean fresh-water flux for imbalance of Atmos+Land
1260        fresh-water flux: uniform correction or proportional to local precip.
1261    o pkg/ctrl:
1262      - new header file CTRL_SIZE.h for parameters maxCtrlArr2D, maxCtrlArr3D
1263      - redefine CPP option ALLOW_BOTTOMDRAG_CONTROL to
1264                            ALLOW_BOTTOMDRAG_CONTROL_NONGENERIC
1265      - verification/hs94.1x64x5/ tests ALLOW_GENARR{2D,3D}_CONTROL
1266    
1267    checkpoint63q (2012/07/30)
1268    o pkg/autodiff:
1269      note about monitor and snap-shot of ad-variables:
1270      a) need to apply ADEXCH before monitor or output of ad-vars to include
1271       overlap contributions (was done for adjDump but missing for monitor).
1272      b) since ADEXCH implies adding overlap values to interior array, machine
1273       truncation error is expected when adding an ADEXCH call in the middle of
1274       the time-stepping (although mathematically identical).
1275      modifs:
1276      - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
1277        declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
1278      - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
1279        apply ADEXCH before monitor or snap-shot of ad-variables:
1280           =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
1281      - implement new method (copy+adexch) for snap-shot and monitor of main model
1282        ad-vars (initially not used by default -> output unchanged).
1283      - change default (set to 2) to use new method and update few output_adm.txt
1284        with accurate ad-monitor (global_ocean.90x40x15, tutorial_global_oce_biogeo
1285        and both tutorial_tracer_adjsens tests).
1286      - switch 2 global_ocean.cs32x15 AD-tests to AB-2 (seaice_dynmix & thsice)
1287        and turn off momDissip_In_AB in the 2 other (needed for stable AB-3).
1288    o pkg/ctrl:
1289      enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
1290      generic control variables via
1291      #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
1292      Only required customization should be S/R ctrl_map_ini_genarr.F
1293      (routine in repository contains example)
1294    o pkg/exf:
1295      - fix and refine checking of surface-relaxation setting when using EXF
1296    o verification (adjoint exp):
1297      - reduce length of simulation by half for experiment global_ocean.cs32x15
1298        (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
1299    o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
1300      - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
1301        of KE that can occur with aggressive optimization
1302      + put quadratic bottom drag calculation in separated loops (only done if
1303        using bottomDragQuadratic)
1304    o model/src: CG2D_NSA
1305      - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
1306         and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
1307      - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
1308         change cg2d residual target to be expressed in Wunits (=> do not normalise
1309         RHS ; this fix global_max Pb with TAF); update output.
1310    o verification/tutorial_tracer_adjsens:
1311       improve parameter consistency (and get rid of warnings):
1312       - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
1313       - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
1314       - use staggerTimeStep (for stability) in som81; use default rotation period.
1315    o pkg/exch2:
1316      - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
1317        reset to 0 = 1 long line in X)
1318    o pkg/mdsio:
1319      - fix reading of dimensions from meta file for large-size domain
1320    o model/src:
1321      - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
1322      - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
1323        Cubed-Sphere Exch with CS-corners inside the domain;
1324        make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
1325        globalArea and to set hasWetCSCorners.
1326      - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
1327        metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
1328      - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
1329        useCDscheme and useCubedSphereExchange).
1330    o pkg/seaice/seaice_growth.F :
1331      - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
1332        for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
1333        when the previous code was not correct.
1334      - in all cases diagnoze the boundary condition mismatch to SIaaflux
1335      - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
1336        that term to QNET (essentially to set the melt/freeze water to 0degC).
1337        when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
1338    o verification/global_ocean.cs32x15/input.seaice :
1339      - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
1340      - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
1341      - update results (output.seaice.txt) accordingly.
1342    o verification/lab_sea/input/data.seaice :
1343      - remove SEAICEheatConsFix, which is now be tested
1344        in global_ocean.cs32x15. The presently coded fix
1345        is only consistent with real fresh water + nlfs.
1346      - update results (output.txt) accordingly.
1347    o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
1348    o AD_CONFIG.h file:
1349      - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
1350      - remove #include "AD_CONFIG.h" from all included OPTIONS files and
1351        add it explicitly in each fortran src file where it is needed.
1352        motivation: header file AD_CONFIG.h is generated/modified after "make depend"
1353        thus introducing potentially wrong dependency; therefore, better to include
1354        it only where it's really needed, and after any other included OPTIONS file
1355        (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
1356        or ALLOW_TANGENTLINEAR_RUN).
1357    
1358    checkpoint63p (2012/07/06)
1359    o pkg/autodiff:
1360      - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
1361      - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
1362        which are now read from new parameter file "data.autodiff" (inAdExact
1363        previously in "data", use{KPP/GMRedi/SEAICE}inAdMode previously in data.pkg)
1364      - add file "data.autodiff" in all verification/*/input_ad/ directories.
1365      - add run-time parameter to turn On/Off SEAICEuseFREEDRIFT in adjoint/forward
1366        mode (used in global_ocean.cs32x15.seaice_dynmix test exp.)
1367    o verification/tutorial_tracer_adjsens/
1368      - add extra sub-verification which uses "SOM" advection scheme
1369        (2nd Order-Moment Advection Scheme, Prather Limiter) with
1370          #define GAD_ALLOW_TS_SOM_ADV in GAD_OPTIONS.h
1371        and in data:
1372          multiDimAdvection=.TRUE.,
1373          tempAdvScheme=81,
1374          saltAdvScheme=81,
1375    o model/src:
1376      - introduce ALLOW_BALANCE_RELAX which allow the removal
1377       of the global mean of relaxation terms by setting
1378       balanceThetaClimRelax and balanceSaltClimRelax
1379      - disable balanceEmPmR and balanceQnet in the case when useSeaice.
1380       This case is now treated appropriately in seaice_growth.F
1381    o pkg/seaice:
1382      - do balanceEmPmR and balanceQnet based on the net fluxes
1383        (SItflux) that enter the ocean+ice system rather than QNET
1384        and EMPMR. Works best in real fresh water.
1385      - SIatmFW, SIatmQnet, and SItflux computations had to be moved
1386        out of the diagnotics bloc, and stored in global arrays.
1387    
1388    checkpoint63o (2012/06/29)
1389    o vertical mixing schemes:
1390      - remove unused S/R CALC_BUOYANCY (left from branch-atmos merging)
1391      - replace computation of density (in Function STATE1, opps_calc.F) by a call
1392        to S/R FIND_RHO_SCALAR
1393      - pass sigmaR to S/R PP81_CALC, MY82_CALC (but not yet used) and to GGL90_CALC
1394        and use it for N^2 calculation in ggl90_calc.F (save 2 density computations);
1395        affects output (vermix.ggl90) at truncation level.
1396    o testreport:
1397      - change adjustment of SIZE.h for mpi+mth testing: preserve enough tiles
1398        (nSx,nSy) for the number of threads (from eedata.mth)
1399    o model/src:
1400      - remove 2nd set of calls at the top of initialise_varia.F (Adjoint part)
1401        related to Non_Lin Free-Surf or Bottom-Control (but not longer necessary).
1402  o verification/tutorial_tracer_adjsens/  o verification/tutorial_tracer_adjsens/
1403    - compile with ALLOW_CG2D_NSA    - compile with ALLOW_CG2D_NSA
1404    - run with nonlinFreeSurf=3    - run with nonlinFreeSurf=3

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