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revision 1.1743 by mlosch, Mon Sep 24 15:07:38 2012 UTC revision 1.1970 by jmc, Sun Mar 30 18:10:46 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 pkg/rw:
8      - add RS version of S/R READ_MFLDS_LEV.
9    o pkg/streamice:
10      - fix the restart test by writing/reading pickup_streamice files.
11    o pkg/seaice:
12      - refine checks for jfnk-related parameters
13      - comment out if statement with SEAICEuseIMEX parameter as long as there
14        is no IMEX code to avoid confusion and surprises
15    
16    checkpoint64u (2014/03/07)
17    o verification/MLAdjust:
18      - rename secondary test suffix:
19         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
20         0.leithD -> AhFlxF  + switch to flux-form
21         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
22         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
23    o pkg/mom_vecinv:
24      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
25        to be before mom_calc_visc.F)
26      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
27      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
28        this is simpler for the adjoint and for diagnostics.
29    o model/src + pkg/momentum:
30      - add input files for  2-D additional Western and Southern cell-edge wall
31         (e.g., to add "thin-wall" where it is =1).
32      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
33        using 2nd hFacZ that is computed from initial (fix domain) hFac
34      - known limitations of thin wall implementation: not yet coded for sigma
35        coords; not working with CD-scheme neither.
36    o pkg/seaice:
37      - rename recently introduced parameters from (wrong name) AB to
38        BDF (backward difference time discretisation)
39      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
40    o tools/adjoint_options:
41      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
42    
43    checkpoint64t (2014/02/01)
44    o pkg/thsice
45      - corrected store directive fixes thsice adjoint gradient checks
46    o genmake2 & testreport:
47      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
48        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
49        Update testreport accordingly. No need to set "export OPENAD=true"
50        in adjoint_options/adjoint_oad anymore (will be removed later).
51    o pkg/shelfice:
52      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
53        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
54        so that surface forcing applies to k=kSurf if using pkg/shelfice.
55    o pkg/ctrl, pkg/grdchk, pkg/ecco:
56      - Changes to make GENARR more modular (i.e. invisible if not used)
57    o model/src/temp_integrate.F and salt_integrate.F
58      - re-include store directives that were removed on Dec 27th.
59    o model/src/external_forcing_surf.F
60      - add storage directives for EmPmR and PmEpR to avoid recomputation of
61        seaice_model in the adjoint that is problematic when seaice_model is
62        turned off in the adjoint. The resolved issue dated back to July when
63        EXTERNAL_FORCING_SURF call was moved.
64        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
65    o pkg/exf/exf_check.F
66      - fix a small bug again (originally found by Wentao Liu, now found again)
67      - streamline error output
68    o pkg/streamice and aim_v23:
69      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
70        Apple's /usr/bin/cpp knows what to do:
71        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
72        Target: x86_64-apple-darwin13.0.0
73    
74    checkpoint64s (2014/01/05)
75    o tools/adjoint_options:
76      - switch to fastopt.net TAF server (instead of default fastopt.de) for
77        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
78    o model/src:
79      - remove some unnecessary TAF storage directives in forward_step.F and
80        in dynamics.F (note: not always removed by TAF, e.g., double storage
81        of kappaRU,kappaRV in former version of dynamics.F).
82    o model/src & pkg/ptracers:
83      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
84        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
85        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
86      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
87      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
88      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
89    o useSingleCpuInput separates single-CPU input from single-CPU output;
90        for now only implemented for in exf_interp_read.F
91    o verification/advect_xy:
92      - fix missing EXCH call in local version of ini_salt.F and update output.
93    o momentum diagnostics:
94      - fix which deltaT is used in Total-Tendency diagnostics.
95      - fix typo in diagnostics for momentum tendency from AB.
96    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
97        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
98    
99    checkpoint64r (2013/12/08)
100    o verification/*/results:
101      - Update reference output of experiments that were passing with just 13 digits
102         (make it easier to detect future changes in results)
103    o model/src & pkg/ptracers:
104      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
105        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
106        to inside ptracers_integrate.F ; remove ptracers_advection.F
107    o coupling interface pkgs:
108        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
109      - change the config check to test the agreement of Ocean Depth
110        with ATM land/sea mask (instead of ATM orography);
111      - send to coupler the number of coupler time-steps to do for this run:
112        this allows to check for consistency and don't need anymore to be
113        specified in parameter file "data";
114      in coupler:
115      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
116      - improve report to log-file of config setting (pass log-file unit to few S/R)
117    o pkg/compon_communic:
118      - add coupling send/receive for non-tiled integer vector;
119      - add S/R to check and stop if any proc has an error (similar to
120        eesupp/src/stop_if_error.F but single thread and across Comm_World).
121    o pkg/exch2:
122      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
123        through list of all tiles my proc owns.
124    o model/src:
125      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
126        from rTrans) to simplify dependencies (no need to store rTrans anymore in
127        calling S/R); this affects AD results at machine truncation level:
128        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
129        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
130    o tools/build_options:
131      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
132    o coupling interface pkgs:
133        [compon_communic, atm_compon_interf & ocn_compon_interf]
134      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
135        to each S/R that needs it; remove un-used variables.
136      - change component tile registration (cpl_register.F in both compon_interf
137        and mitcomponent_tile_register.F) to pass the full list of tiles
138        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
139      - with pkg/exch2: adopt the same convention used for I/O to define mapping
140        towards coupler global array (unless W2_useE2ioLayOut=F):
141         a) can now use different tiling between atm & ocn comp.
142         b) no needs to modify the run-Off map when changing tiling (was needed
143            even if using the same tiling between atm & ocn).
144         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
145            full land tiles); not yet tested.
146      - check for valid mapping from comp. tile to coupler global array
147      - improve report of tile registration results to log file.
148    o pkg/exch2:
149      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
150        tile-registration (CPL_REGISTER);
151      - activate (un-comment) definition and setting of "W2_tileIndex" list to
152        store the local bi,bj indices of each tile;
153      - also print bi,bj in local report to log file;
154      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
155        Jun 2009 modif of pkg/exch2).
156    o testing on baudelaire:
157      - run 2 tests at a time: no significant slow down (since enough cpu) and
158        get the full set of test done earlier
159      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
160    o model/src/thermodynamics.F and routines called from it:
161      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
162        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
163        velocity (outp) by adding bolus velocity.
164      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
165        mass transport from velocity + lateral grid cell area
166      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
167      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
168     in thermodynamics.F
169      - remove k from thermodynamics.F and move it to temp_integrate.F
170        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
171        loop).
172      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
173        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
174        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
175        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
176      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
177        global_ocean.90x40x15, tutorial_global_oce_biogeo and
178        tutorial_tracer_adjsens (+ TLM output).
179    o tools/OAD_support and (verification/*/) code_oad:
180      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
181        module conversion ; remove unneeded CPP_EEOPTIONS.h.
182      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
183        version (closer to model/inc/CPP_OPTIONS.h).
184    o model/src:
185      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
186        retired list of parameters (routine FREEZE has been replace by surface
187        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
188    o pkg/gmredi:
189      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
190        velocity (same scheme but affects machine truncation) for GM_AdvForm.
191      - update output of FWD experiments: front_relax.bvp,
192        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
193    
194    checkpoint64q (2013/11/17)
195    o verification:
196      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
197        tutorial_global_oce_biogeo and global_ocean.90x40x15.
198      - generate new output (growth & melt) for seaice_itd experiment after
199        updating the input pickup_seaice files (previously wrong).
200    o pkg/cost:
201      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
202        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
203        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
204          cannot be applied to var in common block).
205        o allows to get results independent of tile-per-proc setting (if using
206          slower GLOBAL_SUM_SEND_RECV option).
207      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
208        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
209        forward gradients: update output).
210      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
211        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
212    o pkg/mom_common:
213      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
214        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
215        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
216        ensure that all field value that are used are set.
217    o tutorial_deep_convection (smag3d):
218      - add missing scaling in mom_calc_smag_3d.F;
219      - set smag3D_coeff in input.smag3d such that results do not change.
220    o pkg/dic:
221      - change dic_cost.F to compute cost on each tile first and then apply
222        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
223        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
224      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
225    o eesupp/src & pkg/mdsio:
226      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
227        (from pkg/mdsio) since they are no longer used for tape IO.
228      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
229        (+ keep a copy in pkg/atm_ocn_coupler).
230    o verification/isomip:
231      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
232    o tools/build_options:
233      - optfile linux_amd64_ifort11, fast (no ieee) case:
234        to get a working restart for all experiments, add "-fp-model source"
235        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
236    
237    checkpoint64p (2013/10/20)
238    o pkg/autodiff:
239      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
240        criteria, return to simple (default) tape IO format.
241    o pkg/mdsio (+ eesupp/src):
242      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
243        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
244      - fix globalFile and singleCpuIO options using simpler global mapping.
245      - new pairs of scatter/gather vector S/R (one for each type, generated from
246        template) corresponding to simpler global mapping.
247      - adread_write.F: switch to new S/R (but leave old calls commented) and write
248        to globalFile when parameter globalFiles is set to True.
249      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
250    o pkg/autodiff:
251      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
252        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
253        missing, just add a STOP if array type do not match.
254    o pkg/exf:
255      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
256         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
257         and rename array obsSIce to exf_iceFraction.
258    o tutorial_deep_convection:
259      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
260        for now all in this exp. code dir.
261      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
262        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
263    o eesupp/src:
264      - added SINGLE_DISK_IO option because reading of parameter files on
265        very large number of processors did not work with existing set-up
266    
267    checkpoint64o (2013/09/25)
268    o pkg/atm_phys & atm_compon_interf:
269      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
270    o tools/build_options:
271      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
272        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
273        remove CPP setting (was identical to genmake2 default).
274    o pkg/gmredi & model/src: Some updating and work done on the residual model.
275      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
276      - fixed up the calculation of the eddy stress and how it is added to the
277        external forcing via taueddy_external_forcing.F
278      - at the moment, it is very experimental and only works with the variable eddy
279        diffusivity calculated in gmredi_k3d.F
280    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
281        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
282    o testreport (& tools/do_tst_2+2):
283      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
284    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
285      - remove CPP='cpp -traditional -P' (this is genmake2 default)
286      - add switch (for big setups) to use 'medium' memory-model (but leave it
287        commented out for now). Note: needed with FC 19 to compile big setups.
288    o pkg/atm_compon_interf:
289      - regroup per field origin (model & pkgs) the coupling storage routines
290         (which accumalate in time each coupling field)
291      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
292        update accordingly + simplify aim_do_physics.F
293    
294    checkpoint64n (2013/08/26)
295    o pkg/bbl:
296      - update formulation to reduce dispersion of tracer properties in bbl
297      - replaced horizontal and vertical transport parameters with velocities
298      - changes results for verification/global_with_exf.yearly
299    o verification/halfpipe_streamice:
300      - change to matrix construction; update both Fwd & AD output.
301    o verification/tutorial_tracer_adjsens:
302      - OpenAD test: switch to vector-invariant momentum since fluxform with
303        rStar causes problems with OpenAD; update output.
304    o tools:
305      - genmake2: define a common prefix for all temp-file names ; move them
306        to local /tmp disk (but would be easy to move them back);
307      - xmakedepend: apply the same switch for temp-files.
308    o pkg/offline:
309      - changes for use with rStar (NLFS): assume that we continue to provide
310        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
311        output files) and apply r* scaling at each time-step (function of the time
312        varying Eta field); use normal pickup files (needed for restart with NLFS).
313    o adjoint with OpenAD:
314      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
315        package openad.  This package has to be compiled for all runs with OpenAD
316        instead of specifying code_oad_all as a modification directory.
317      - link the fortran templates from tools/OAD_support to the build directory
318        for preprocessing to avoid conflicts between different setups compiled
319        simultaneously and simplify cleanup.
320    o pkg/exf:
321      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
322        main model or other pkgs are exchanged in EXF_MAPFIELDS).
323    o model/src:
324      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
325        (similar to do_fields_blocking_exchanges.F).
326    o tools/genmake2:
327      - remove TAF output src code just before calling staf (when not doing a fresh
328        built, will stop if things go wrong with staf).
329      - fix target "adobj" (left from TAF version-2 transition)
330    o pkg/diagnostics:
331      - add a parameter to track the status of pkg/diagnostics activation;
332        this replace/extend the use of logical param "settingDiags" (to check
333        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
334        New S/R to print error message and stop when pkgStatus is not right.
335      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
336    
337    checkpoint64m (2013/08/13)
338    o model/inc:
339      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
340        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
341    o pkg/kpp & aim_v23:
342      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
343    o pkg/seaice:
344      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
345        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
346      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
347    o eesupp/src:
348      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
349        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
350    o switch to TAF version-2:
351      - add flow directives to "freeze" naming convention for ad-routines that
352        are used in I/O routines of adjoint state and associated common blocks
353        that are used in adcommon.h (backward compatible with version-1)
354      - update all ad-optfiles (in tools/adjoint_options + few local to some
355        verification exp) to switch to latest TAF version (currently 2.5.5);
356        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
357        out except for diva).
358      - the major change with TAF version-2 is that both the differentiated
359        routines and the forward routines (new) are returned as part of the TAF
360        output source code. Update genmake2 accordingly.
361      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
362        with version-2 when compared to TLM or FWD gradient); other experiments
363        output show minor changes (machine truncation level); update the few AD &
364        TLM output with 12 matching digits only (some prior to version-2 switch).
365    
366    checkpoint64l (2013/08/05)
367    o model/src:
368      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
369      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
370        when using TAF but only if using OpenAD.
371    o pkg/mom_common+fluxform+vecinv:
372      - always set horiz. viscosity arrays to background value before calling
373        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
374        only when using variable horiz. viscosity (useVariableVisc=T);
375      - simplify mom_vecinv.F (only 1 block for momViscosity).
376    o pkg/mom_common: variable horiz. viscosity in NH code
377      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
378        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
379      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
380        useBiharmonicVisc & useVariableVisc.
381      - fix old bug (already in 1rst implementation of variable horizontal viscosity
382        in calc_gw.F, version 1.27, 2006/06/20):
383        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
384        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
385      - change background horiz viscosity in vertical momentum (gW) to always be
386        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
387        any type of variable viscosity, e.g., viscAh/4Grid)
388      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
389        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
390        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
391        default viscAh,viscA4 is zero).
392    o model/src:
393      - extend length of drC & recip_drC from Nr to Nr+1.
394    o Divided Adjoint (DIVA) with MPI:
395      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
396      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
397        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
398    
399    checkpoint64k (2013/07/23)
400    o tools/OAD_support:
401      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
402        and remove it from genmake2.
403    o tools/build_options:
404      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
405        MPI_HEADER_FILES list (let genmake2 find the missing headers)
406    o verification/halfpipe_streamice:
407      - change to driving stress formulation; update both Fwd & AD output.
408    o tools/genmake2 and Divided Adjoint with MPI:
409      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
410      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
411      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
412        Makefile, which is set by genmake2, and check which mpi-headers are needed.
413        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
414      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
415    o testreport:
416      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
417        perform additional runs (number of additional runs is "add_DIVA_runs" taken
418        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
419    o verification/lab_sea (AD test):
420      - change to test Divided Adjoint Run in this set-up (both standard AD test
421        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
422    o pkg atm_ & ocn_compon_interf:
423      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
424        staggerTimeStep implementation) and disable (retired) corresponding
425        parameter.
426    o pkg/offline:
427      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
428      - add S/R OFFLINE_CHECK to print offline parameter summary
429        and stop if loading a file that is not used;
430      - enable to calculate GMRedi tensor, KPP mixing and convective index
431        when the corresponding file(s) is/are not specified (but pkg is used).
432      - comment out resetting of monitorFreq (to endTime) since it still useful
433        for monitoring CFL numbers and checking offline fields.
434    o OpenAD:
435      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
436        smaller standard output) and generate new (smaller) output (on baudelaire
437        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
438    o model/src:
439      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
440        (where external_forcing_adjust was called) and change list of arguments;
441      - merge external_forcing_adjust.F into external_forcing_surf.F
442      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
443        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
444        previously in file "balance_relax.F", now removed); remove corresponding
445        arrays in FFIELDS.h.
446      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
447        a hack for getting back surfaceForcingS (loaded from file) when using
448        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
449      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
450        (was getting only 11 digits for AD-grad, due to different truncation
451         error in AD code).
452    
453    checkpoint64j (2013/07/04)
454    o pkg/offline:
455      - to enable the use of other features with pkg offline (e.g., obcs),
456        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
457      - comment out "allowFreezing" (now active) in 2 offline testing exp.
458    o pkg/exf ALLOW_RUNOFTEMP
459      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
460      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
461      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
462    o pkg/atm_phys:
463      - allows to add some damping on uVel,vVel (strength only function of k).
464    o verification, ad-tests:
465      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
466        global_ocean_ebm and offline_exf_seaice.thsice.
467    o verification/halfpipe_streamice:
468      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
469        flux input boundary conditions to be ignored; a fix for this bug changed
470        verification results for forward test.
471      - add adjoint test.
472    o pkg/ptracers:
473      - allow to restart without SOM pickup (resetting SOM to zero).
474    o pkg/gmredi:
475      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
476      - It uses mixing length theory and suppression by steering level effects to
477        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
478        to JPO, for more details).
479      - It also uses the diffusivity to calculate an eddy induced streamfunction
480        based on a PV closure (rather than a buoyancy closure as in GM).
481      - New files added to pkg/gmredi:
482        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
483          induced overturning streamfunction (called from gmredi_calc_tensor)
484        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
485          for use in gmredi_k3d
486        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
487          the eddy diffusivity
488    
489    checkpoint64i (2013/06/18)
490    o pkg/cheapaml:
491      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
492        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
493        with pkg/cheapaml.
494    o utils/python: add subpackage for cubed sphere function, first example is
495        simple cs.pcol to plot 2D fields on a map
496    o pkg/streamice:
497      - This is a new package in MITgcm, which solves dynamic equations for ice
498         sheets and ice streams
499      - At the moment it is independent of atmosphere/ocean dynamics, or any
500        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
501        ed that this will change)
502      - There is a new verification exercise that tests it, halfpipe_streamice,
503        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
504        rectangular embayment
505      - halfpipe_streamice is forward-only for now, will have TAF test soon
506      - for questions, email dgoldber@mit.edu
507    o pkg/thsice:
508      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
509        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
510      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
511         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
512      - allow precip from pkg/cheapaml to make snow over seaice.
513    o pkg/cfc:
514      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
515      - remove atmos CFC 2-D arrays from common bloc (now local variables)
516      - change some hard-coded constant to run time parameter for reading and
517        and interpolating atmospheric CFC ; keep same default as previously.
518      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
519      - put arguments in standard order: myTime, myIter, myThid
520      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
521        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
522      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
523      - new routine to print summary of CFC params and check for consistency.
524    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
525      similar to thsice_advdiff.
526      Note that for the B-grid case the routine parameters uc/vc are overwritten.
527    o pkg/cfc:
528      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
529        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
530      - fix interpolation of atmphspheric CFC between Sorthern and Northern
531        hemisphere value.
532    o pkg/seaice:
533      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
534    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
535                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
536      - requires an additional time level that is stored in the pickup
537      - you can start with AB2 from a pickup without this time level with
538        pickupStrictlyMatch = .false.
539    
540    checkpoint64h (2013/05/26)
541    o pkg/cheapaml:
542      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
543        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
544      - consistent treatment of uWind,vWind location: assume everywhere in
545        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
546        (Note: was already the case for Tair,Qair advection);
547        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
548      - compute diabatic forcing only in the interior (excluding overlap regions)
549      - fill in array "Qsw" (for short-wave heating);
550      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
551        before any update (consistent with MITgcm state var diagnostics);
552      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
553        non periodic ; + adjusted for uWind,vWind (C-grid).
554    o pkg/seaice:
555      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
556        add explicitly pkg/exf in experiments that currently use pkg/seaice.
557      - allows to compile pkg/seaice without pkg/exf.
558    o tools/OAD_support:
559      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
560        of array "ourStepOf" in function rvNextAction (revolve.F90).
561    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
562      - change pkg name (to be used with other atmospheric physics pkg)
563        but by-pass CVS when making the new pkg so that we keep the CVS history.
564    o pkg/offline:
565      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
566        (previously called from pkg/dic_surfforcing_init.F)
567    o model/src:
568      - re-order sequence of calls within packages_init_variables.F, using
569        standard order, except for:
570         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
571         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
572    o new pkg: atm_phys
573      - add entry point and source code (previously in contrib
574          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
575        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
576      - re-order sequence of calls within packages_readparms.F,
577         packages_init_fixed.F and packages_write_pickup.F
578        (but skip packages_init_variables.F because of TAF issues).
579      - update contrib/*/atm_gray/ experiment.
580    o pkg/seaice (ITD code):
581      - simplify and fix the writing of pickup-files for ITD case
582    o pkg/seaice (ITD code):
583      - introduce floe size dependent lateral melt for ITD case;
584      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
585      - update seaice_itd experiment main output.
586    o pkg/thsice:
587      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
588        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
589        changed accordingly pkg/atm2d.
590    
591    checkpoint64g (2013/05/01)
592    o pkg/exf ALLOW_RUNOFTEMP
593      - if defined,  river and glacier runoff temperature can be read-in from
594        runoftempfile; runoftempfile needs to have same format as runofffile
595    o pkg/thsice (& pkg/bulk_force):
596      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
597        for energy content of Precip + RunOff & Evap (like with pkg/exf).
598      - change computation domain to always be the interior (without overlap).
599      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
600    o verification/tutorial_global_oce_biogeo:
601      - add preliminary OpenAD setup (still has problems)
602    o pkg/seaice:
603      - turn some parameters for choosing the convergence criterion of
604        the inexact Newton method (JFNK) into runtime parameters for convenience
605      - clean up seaice_calc_viscosities.F: remove/retire two options for
606        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
607        the results of lab_sea/input because a division has been replaced by
608        a multiplication with the reciprocal (sumNorm)
609      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
610        convergence of solver (changes results, of course), and to test some
611        new features
612    o model/src:
613      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
614      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
615      - move forcing adjustment (balancing surface forcing) in specific S/R
616        where might also be applied exchanges (if needed) to forcing arrays.
617    o pkg/shelfice:
618      - allow to specify the Ice-Shelf mass per unit area (instead of
619        shelficeLoadAnomaly) and do the conversion from one to the other
620      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
621        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
622        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
623        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
624      - update isomip experiment forward output (get machine truncation error
625        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
626    o verification/offline_exf_seaice:
627      revise data.seaice in input.thermo and input_ad and update results accordingly
628        HO = 0.2, SEAICE_areaLossFormula = 2,
629        SEAICE_growMeltByConv = .TRUE.,
630        SEAICE_doOpenWaterMelt = .TRUE.,
631      Improve consistency with input.thsice and fix the spurious 500m ice corners
632    o verification/global_ocean.cs32x15:
633      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
634        in icedyn (thsice+seaice-dyn) test and update output.
635    o verification/offline_exf_seaice:
636      - adjust list of tested variables (with testreport) and update
637        standard test output with better slection of monitored fields.
638    o pkg/cd_code:
639      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
640        experiment lab_sea.hb87
641    o tools/genmake2:
642      - change default makedepend from the system default to tools/xmakedepend:
643        When no makedepend is specified, select tools/xmakedepend it the test pass,
644        otherwise select the system default (if exist and pass the test) or
645        try to build cyrus-makedepend ; stop if none of the 3 works.
646    o pkg/exf & pkg/thsice:
647      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
648        for energy content of Precip + RunOff & Evap. Assumes:
649       1) Rain has same temp as Air.
650       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
651       3) Run-Off comes at the temp of surface water (with same Cp)
652       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
653        put directly into Latent Heat flux & should use water-vapor heat capacity.
654       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
655        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
656    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
657        (compile when SEAICE_ALLOW_JFNK is defined)
658    o pkg/thsice:
659      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
660        implementation): move THSICE_AVE call after the advection (called directly
661        from thsice_do_advect.F).
662    o verification/global_ocean.90x40x15 and OpenAD:
663      New experiment for OpenAD is identical to the one in input_ad except that
664        multiDimAdvection=.FALSE.,
665      There is still an issue with this.
666    o pkg/thsice:
667      - account for ice velocity (ocean relative velocity) in turbulent heat flux
668        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
669        and offline_exf_seaice (main test).
670    
671    checkpoint64f (2013/03/31)
672    o verification/OpenAD:
673      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
674    o verification/isomip, pkg/shelfice and OpenAD:
675      - add OpenAD setup to this exp and make shelfice package work with OpenAD
676    o verification/tutorial_global_oce_biogeo:
677      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
678    o verification/offline_exf_seaice:
679      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
680    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
681      - add OpenAD setup to this exp and make ptracers package work with OpenAD
682    o pkg/seaice/seaice_evp.F:
683       mask the asymmetric contribution of the ice-ocean stress (when
684       the turningAngle is non-zero) over open water to avoid stripes
685       in the EVP-solutions after many EVP-substeps. This does not change
686       the verification experiment (because turningAngle=0 in that experiment),
687       but will affect other EVP solutions with turningAngle.ne.0
688    o verification, AD & TLM output:
689      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
690        additions and multiplications which affect results at machine truncation
691        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
692        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
693        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
694        digits of matching.
695    o pkg/seaice:
696       modify lsr-algorithm so that it vectorizes AND converges by using a
697       "zebra" method: split vector loop into two with step size 2; this
698       solves a general convergence problem for the JFNK solver on a vector
699       computer. It has the potential to even improve convergence for
700       non-vector machines, but it does change the results so it is turned
701       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
702       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
703    
704    checkpoint64e (2013/03/05)
705    o pkg/ecco and several verification experiments:
706       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
707       from ecco package, and revert to unified routine in model/src/
708       Adjust verification experiments accordingly, especially gloal_oce_llc90
709       Should conclude long-standing work by Gael to reconsile the_main_loop with
710       ECCO and will enable OpenAD's revolve loop in ECCO setup.
711    o pkg/generic_advdiff:
712      - implement compressible flow method for multi-dim advection (similar to
713        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
714        TAF generates many recomputations) to use it; no yet coded with implicit
715        vertical advection.
716      - change experiment advect_cs (new output) and advect_xy (same output)
717        to test compressible flow multi-dim advection.
718    o pkg/generic_advdiff:
719      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
720        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
721    o pkg/seaice:
722      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
723        bug affects two verification experiments (lab_sea and lab_sea.hb87),
724        recover old (wrong) results by setting noSlipFac = 2. in
725        seaice_calc_strainrates.F;
726      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
727      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
728        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
729      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
730    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
731      - new subroutines seaice_lsr_tridiagu/v
732      - introduce loop bounds i/jmin/max to be able to use a restricted
733        additive Schwarz method, but not used for now.
734      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
735      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
736    o OpenAD support
737       Reorganize S/R call for overall time-stepping loop to facilitate
738       OpenAD revolve loop replacement
739       (new S/R main_do_loop.F)
740    o model/src:
741      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
742      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
743        ADAMS_BASHFORTH2.
744    o pkg/cheapaml:
745      - add new parameter (default=F, same as before) to disable full domain
746        (including land) periodicity in X & Y dir.
747      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
748        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
749        into single S/R CHEAPAML_TIMESTEP.
750    
751    checkpoint64d (2013/02/17)
752    o pkg/monitor (angular momentum):
753      - do not add Eta contribution to the total AM if using rigid-lid;
754      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
755      - horizontal discretisation: compute Zonal wind contribution separately for
756        each component (instead of from cell centered averaged) and use the 4
757        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
758      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
759        FreeSurf) if using vectorInvariant momentum.
760    o model/src (horizontal grid):
761      - move initialisation of all horizontal grid arrays to null value
762        from specific horizontal grid S/R to main S/R INI_GRID;
763      - add 2 new arrays to project model C-grid velocity on to zonal direction
764        (similar to AngleCosC & -AngleSinC but at U and V point location) and
765        compute them in S/R CALC_GRID_ANGLES.
766    o pkg/seaice: replace a hard coded parameter by a runtime parameter
767        SEAICE_JFNK_tolIter
768    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
769        preconditioner for JFNK (run LSR into the overlaps as far as possible,
770        i.e OLx/y-2, but overwrite the solution in the overlaps)
771      - extend loop range in seaice_calc_viscosity
772      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
773      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
774      - slightly modify loops in tridiagonal solver lsr-preconditioner
775      - by default remove the extra exchange in seaice_preconditioner with a
776        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
777      - modify offline_exf_seaice so that old results without RAS are reproduced
778        for output.dyn_jfnk.txt
779      in seaice_fgmres.F (unrelated to RAS)
780      - add a cpp-flag option for a re-ordered mapping (potentially more
781        efficient), but because this changes the results, turn it off by
782        default
783      - replace the save statement by local common blocks
784    o utils/matlab:
785      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
786      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
787        instead of local script "load_cs.m".
788    o pkg/seaice:
789      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
790        to the scalarProductMetric and the unrolling. By chance this does not
791        change the verification experiment, because of the particular domain
792        decomposition
793    o pkg/diagnostics:
794      - change default missing_value from UNSET_RL to -999.
795    o pkg/layers: improve vectorization of layers_fluxcalc.F
796      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
797        time spent in this routine by more than a factor of 3 on an NEC-SX8
798      - step 2: replace search algorithm by a bisection algorithm found in
799        Press et al. Numerical Recipes in Fortran. This algorithm can be
800        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
801        For now, use this algorithm only for TARGET_NEC_SX defined.
802      - moved the search algorithm into a separate subroutine, that is kept
803        within the same file for automatic inlining.
804      - modified catching potential errors
805    o pkg/ecco:
806      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
807    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
808      - modifications for ALLOW_GENTIM2D_CONTROL
809      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
810      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
811      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
812      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
813    o model/src:
814      - account for moist thermodynamics in (dry) potential temperature equation;
815        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
816        and cpl_aim+ocn.
817      - also switch to standard compiler (gfortran, was using ifort previously)
818        for fizhi-cs experiments reference output.
819    o pkg/ctrl:
820      - 1st step toward generic time-varying control variable (2D) via CPP option
821        ALLOW_GENTIM2D_CONTROL
822      - note new namelist ctrl_nml_genarr in data.ctrl
823    o verification/global_ocean.cs32x15:
824      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
825        thsice calling sequence and update "output.icedyn.txt" output file.
826    o pkg/ptracers:
827      - from Ryan A.: code to allow to restart a tracer at regular time interval
828        specifying a reset frequency and a reset-phase (for each tracers).
829    o pkg/thsice:
830      - implement new sequence of calls for thsice+seaice:
831          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
832          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
833      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
834        in CPP_OPTIONS.h) to recover old sequence;
835      - update diagnostics for Intermediate State thsice diagnostics: now filled
836        just before advection (instead of just after advection in old sequence);
837      - update output of experiment offline_exf_seaice (standard test);
838      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
839        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
840    o pkg/aim_v23:
841      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
842      - use standard pkg/mdsio routines to read & write CO2 pickup file;
843      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
844      - Implement new sequence of calls for seaice advection (with thsice and
845        seaice diffusion): do ice advection after ice-Thermodynamic (previously
846        was done before); change aim_do_physics.F (split the bi,bj loops block);
847      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
848    o pkg/thsice:
849      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
850        where just seaice diffusion is used without seaice-dynamics.
851    
852    checkpoint64c (2013/01/18)
853    o pkg/seaice:
854      - add a parameter JFNKres_tFac that can replace JFNKres_t
855        (= JFNKres_tFac*JFNKresidual before JFNK solver)
856      - add a line search option to the JFNK solver
857      - move update of u/vIce and computation of initial residual into a separate
858        routine (same file); makes the code a little easier to read (?)
859      - the line search requires computation of the residual and for some reason
860        I cannot do the update of u/vIce at the beginning of the Newton loop
861        without changing the results, so we move computation of the new residual
862        also to the end of the Newton loop, even without the line search
863    o pkg/mdsio:
864      - write missing value (corresponding to undefined array value) to meta files;
865        skip this if missing value is one (UNSET_RL would be a better value for the
866        case of undefined missing value but it's current the default missing-value);
867        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
868    o pkg/exf & thsice:
869      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
870        diagnostics) even when SHORTWAVE_HEATING is #undef;
871    o verification/cfc_example:
872      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
873        illustrate how to use it).
874    o verification/offline_exf_seaice:
875      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
876        files to only one time-record.
877      in input.thermo: narrow the 2 bands of low initial ice-concentration near
878        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
879        snapshot output; same mcPheePiston value as in thsice with
880        surf-current=0.2m/s.
881      in input.thsice: similar set-up as in input.thermo (channel with same seaice
882        initial conditions).
883    o verification/cfc_example:
884      - update file "data" with more standard choice (default rotationPeriod,
885        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
886        set deltaTFreeSurf to deltaTtracer) and update the output.
887    o pkg/layers:
888      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
889      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
890    o verification/offline_exf_seaice:
891      - set all {field}period to zero for constant-in-time forcing (not tested
892        anywhere else).
893    o verification/offline_exf_seaice:
894      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
895      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
896    o model/src:
897      - implement Finite-Volume method for (hydrostatic) presure gradient
898        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
899    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
900      - In order to be compatible with the default EVP code, this requires changing
901        the EVP code around a little; and because any small change immediately
902        breaks the lab_sea.hb87 verification experiment, the reference output is
903        updated two times (each time the remaining aggrement was only 2 digits):
904        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
905        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
906        The adjoint test lab_sea.evp also needed to be updated.
907      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
908        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
909        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
910        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
911        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
912        kept obscure, because I need to test it a little more.
913    o pkg/cheapaml:
914      - fix few incorrect type (_RL/_RS) in subroutine calls.
915    o pkg/seaice:
916      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
917        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
918    o model/src:
919      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
920        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
921        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
922    o pkg/cheapaml:
923      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
924        update output of experiment cheapAML_box.
925      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
926        and set them only in one place (cheapaml_readparms.F).
927      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
928      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
929        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
930    o model/src/the_main_loop.F:
931      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
932    o pkg/seaice:
933      - remove legacy branch code.
934      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
935    o verification/*/code*/SEAICE_OPTIONS.h:
936      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
937        SEAICE_CAP_HEFF).
938    o pkg/cheapaml:
939      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
940        to load new forcing fields.
941      - add missing "_d 0" where it's needed; + some editing (improve indentation).
942      - remove switch to "-r8" compiler option (no longer needed) in verification
943        cheapAML_box, keep same output (small trucation error differences).
944    o verification/offline_exf_seaice:
945      - add thermodynamics only test.
946    o verification/cheapAML_box:
947      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
948        keep same output (same 14 digits for cg2d).
949      - switch on "-r8" compiler option (some numerical values are missing
950        the "_d 0") and update output (only 6 digits for cg2d were preserved).
951    
952    checkpoint64b (2012/12/24)
953    o pkg/cheapaml:
954      - remove un-used variables (Qnet,EmPmR) from pickup files.
955      - store tendency of advected variables into cheapaml pickup file
956        and fix the AB-2 restart.
957    o verification/offline_exf_seaice and lab_sea adjoint:
958      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
959      - switch to 4 time steps in offline, consistent with lab_sea.
960      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
961      - update results after change of experiment seaice.
962    o pkg/seaice:
963      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
964        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
965        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
966        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
967    o model/src:
968      - add run-time parameter to select CG2D solver minimum-residual solution
969        (in case of a poor convergence).
970    o pkg/seaice/seaice_lsr.F
971      - move calculation of matrix coefficients into new
972        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
973        file; the main purpose of this change is to be able to reuse the code
974        in S/R SEAICE_PRECONDITIONER
975      - modify the computation of the residual so that the mass of sea-ice
976        is not used twice; this simplifies the calculations, but since
977        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
978        not tested in testreport---this does not affect the testreport results.
979    o verification/seaice_obcs:
980      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
981        verification/lab_sea/input.salt_plume; changes results/output.txt*
982    o model/src:
983      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
984    o pkg/seaice:
985      - improve description of parameters in seaice_fgmres.F and start
986        cleaning up the code
987      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
988        second argument
989      - add a metric based on grid cell area to SEAICE_SCALPROD; update
990        results of offline_exf_seaice.dyn_jfnk
991      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
992    o pkg/aim_v23:
993      - fix an other bug in dissipation heating (grid-cell area was missing).
994    o model/src + pkg/seaice:
995      - add global (multi-tile) linear solver for pair of tri-diagonal system
996        along X and Y lines, respectively for U and V component.
997        Note: 1) MPI and cube-exchange not yet coded.
998            2) probably not accurate for poorly conditioned / large size problem.
999      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
1000        default: not compiled and not used.
1001    o pkg/seaice:
1002      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
1003        introduce bi/bj loops and use global_sum_tile_rl instead of
1004        mpi_allreduce in seaice_fgmres.F
1005      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
1006      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
1007      - add a verification experiment for JFNK in offline_exf_seaice
1008    o verification:
1009      - change (for now, only fwd test) offline_exf_seaice experiment:
1010        use a re-entrant channel with idealized coastline (trapezoidal shape)
1011        at southern boundary to explore seaice dynamics and thermodynamics
1012        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
1013        secondary test (input.thsice) use thermodynamics only with SST relaxation.
1014      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
1015    o pkg/exf:
1016      - disable "sstExtrapol" when Nr=1
1017    o verification:
1018      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
1019        to test pkg/cheapaml.
1020    o pkg/aim_v23 & pkg/shap_filt:
1021      - fix dissipation heating (erroneous gravity multiplication factor).
1022    o pkg/seaice:
1023      - remove unused field pressPre from jfnk solver
1024      - rename two subroutines in seaice_preconditioner.F
1025    o eesupp/src:
1026       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
1027    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
1028       - remove wrong parts of the rhs and the lhs (were in there
1029         because I did not understand the concept of this preconditioner)
1030       - add an exchange between u- and v-sweep. This increases communication
1031         by a factor of two but improves the convergence of jfnk. Ideally,
1032         one would like the u- and v-sweep to be independent. So far within
1033         undocumented ifdefs
1034       - reorganize the extra computations for printing the residuals
1035    o tools/genmake2:
1036      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
1037        since it's not necessary (and was preventing to use MNC in some cases).
1038    
1039    checkpoint64a (2012/11/16)
1040    o pkg/autodiff:
1041      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
1042        autodiff_readparms.F no longer depends on calling order (within
1043        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
1044        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
1045        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
1046    o pkg/obcs:
1047      - adding tidal velocity forcing capability to obcs
1048        for usage example, see verification/seaice_obcs/input.tides
1049    o pkg/seaice:
1050      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
1051        SEAICE_LSRrelaxU/V
1052      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
1053    o pkg/aim_v23:
1054      - implement heating from friction (bottom friction and stratospheric drag).
1055    o pkg/shap_filt:
1056      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
1057        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
1058    o model/src:
1059      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
1060        time-constant addMass field from file (addMassFile);
1061      - support for heating due to friction (and Kinetic Energy dissipation):
1062        add option, run-time switch and 3-D field array + support code ; each pkg
1063        or S/R can add heating contribution (if there is a sink of KE); the sum is
1064        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
1065    o pkg/seaice:
1066      - complete merge of ITD code into seaice_growth.F
1067        from MITgcm_contrib/torge/itd/code/
1068        no verification so far, but Torge Martin tested
1069        "1-D test case and Beaufort set up;
1070        deliver okay results after 1 model year."
1071      - complete merge of SEAICE_SIZE.h into all relevant routines
1072      - move computation of eta at Z-points into calc_viscosities
1073        + introduce global field etaZ
1074        + add different methods for computing etaZ, for now the old
1075          method (simple averages of eta to Z-points) is hardwired
1076        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
1077          seaice_preconditioner
1078      - simplify computations for SEAICE_ZETA_SMOOTHREG
1079      - seaice_preconditioner:
1080        + replace one remaining press by pressLoc (mistake)
1081        + adjust printing of residuals
1082      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
1083        + add (SEAICE.h) and rename some counters (initiliased in
1084          seaice_init_fixed.F)
1085        + add _BEGIN/END_MASTER (myThid)  around print statements
1086        + print total number of iterations and failures over SEAICE_monFreq
1087          interval to STDOUT
1088      - move control over output-messages by fgmres to seaice_jfnk to save
1089        some operations
1090      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
1091        in order to make restarts with sol .ne. zero (fgmres with restarts)
1092        (seaice_jfnk.F, seaice_fgmres.F)
1093      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
1094        a serious convergence problem when open boundaries are involved
1095    o pkg/ggl90: fix computation of control volumes for the case of
1096      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
1097      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
1098    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
1099    o pkg/autodiff
1100      - Add inAdMode switch for SEAICEuseDYNAMICS:
1101        SEAICEuseDYNAMICSinAdMode
1102        (extend logic in ADAUTODIFF_INADMODE_SET)
1103    o pkg/seaice
1104      - Step 1 of merging ice-thickness distribution (ITD) code from
1105        MITgcm_contrib/torge/itd/ (author: Torge Martin)
1106        The code implements concept laid out in Thorndike et al. (1975);
1107        code is enabled via CPP flag SEAICE_ITD
1108        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
1109        code is not complete yet!!
1110      - SEAICE_SIZE.h now included in almost all seaice routines
1111    o verification (using seaice):
1112      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
1113        global_ocean.cs32x15.seaice ; update results.
1114      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
1115      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
1116        offline_exf_seaice (previously compiling B-grid).
1117    o pkg/exf:
1118      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
1119        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
1120        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
1121    o pkg/layers (adjust changes from Sept 19):
1122      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
1123        this allows to remove "layers_maxNum" dimension from all layers arrays.
1124    o pkg/layers (adjust changes from Sept 19):
1125      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
1126      - snap-shot extended to all type of layers (not just the 1rst type);
1127      - remove layers variables when corresponding CPP option is undef.
1128    o pkg/layers:
1129      - rename pkg/layers variable and add new output (layer exist & un-weighted
1130        velocity in layer)
1131    o pkg/seaice:
1132      - simplify (?) ocean-drag coefficent computations by using
1133        the same routine in all three solvers (saves some code lines)
1134      - remove global fields DRAGA and DRAGS from C-grid code and
1135        declare them locally in lsr.F (the only place where they are
1136        still used)
1137      - update AD output of lab_sea.evp (very sensitive anyway).
1138    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
1139      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
1140      and SEAICEuseJFNK=.true. A few things to note:
1141      - involves a FGMRES, that is parallel but very inefficient,
1142        because of many scalar products (global sums) in the Gram-Schmidt
1143        orthogonalization method. Needs to be replaced. Original code
1144        from J.-F. Lemieux
1145      - preconditioner for FGMRES is a stripped down version of LSOR
1146      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
1147        preconditioner. For the preconditioner, the default is set to 10.
1148      - Jacobian times vector is computed with finite differences
1149      - marginally related to JFNK-solver: add a smooth regularization for
1150        zeta with tanh that will improve convergence (Lemieux and Tremblay,
1151        2009) for any implicit solver (not implemented for EVP because EVP
1152        does not need this regularization in the first place). Define
1153        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
1154    o eesupp/src:
1155      - check in genmake2 that intrinsic S/R flush is available.
1156      - add S/R to flush IO unit (if intrinsic S/R flush is available)
1157      - flush standard & error msg unit before MPI termination
1158      - if debugMode, flush IO unit after printing msg
1159    o pkg/ctrl:
1160      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
1161        to ctrl_set_unpack_xyz.
1162    
1163    checkpoint64 (2012/10/09)
1164    o pkg/shelfice
1165      - in mom_fluxform.F, mom_vecinv.F:
1166        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
1167        Bug fix KappaRU -> KappaRV
1168        does not change verification/isomip but may change other setups
1169        (presumably constant KappaRU=KappaRV)
1170      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
1171    o pkg/obcs:
1172      - fixed some indexing bugs in obcs_seaice_sponge.F
1173      - added obcs relaxation subroutines for HSALT and HSNOW
1174      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
1175  o pkg/seaice:  o pkg/seaice:
1176    - add "multicategory" parameterization for snow in analogy to ice,    - add "multicategory" parameterization for snow in analogy to ice,
1177      default is off for now.      default is off for now.

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