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revision 1.1893 by jmc, Sun Jul 7 01:49:57 2013 UTC revision 1.1973 by atn, Sat Apr 5 22:51:52 2014 UTC
# Line 3  $Name$ Line 3  $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    <<<<<<< tag-index
7    o pkg/salt_plume:
8      - salt_plume_frac.F:
9         clean up local param names
10         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
11    o pkg/ecco:
12      - cost_gencost_seaicev4.F:
13         reformulate proxy cost as function of sst and local param SEAICE_freeze
14         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
15      - add stop statement if old names siv4-[sst,vol] are used
16      - add snapshots + cost reports for atmospheric longwave
17      - remove factor 0.1 in front of wtau[u,v]
18      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
19         ALLOW_TMI_SST_COST_CONTRIBUTION
20    o pkg/smooth:
21      - move param smooth2Ddiffnbt to pkg/ecco
22    =======
23    
24    o autodiff:
25      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
26        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
27        For now, only in pkgs used in verification/hs94.1x64x5.
28      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
29        which are specific to TAF/TAMC).
30      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
31        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
32        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
33      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
34        building mitgcmuv_ad (make adAll).
35    o pkg/atm_phys:
36      - add some diagnostics for Short-wave and for convection S/R.
37    o pkg/seaice/seaice_growth:
38      - fix a bug in the lateral melt parameterization for SEAICE_ITD
39        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
40      - rearrange loop order for better vector code in the same code block
41      - rewrite the floeDiameter formula to have fewer divisions
42      -  (miraculously) none of this changes the results of seaice_itd
43    >>>>>>> 1.1972
44    o pkg/rw:
45      - add RS version of S/R READ_MFLDS_LEV.
46    o pkg/streamice:
47      - fix the restart test by writing/reading pickup_streamice files.
48    o pkg/seaice:
49      - refine checks for jfnk-related parameters
50      - comment out if statement with SEAICEuseIMEX parameter as long as there
51        is no IMEX code to avoid confusion and surprises
52    
53    checkpoint64u (2014/03/07)
54    o verification/MLAdjust:
55      - rename secondary test suffix:
56         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
57         0.leithD -> AhFlxF  + switch to flux-form
58         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
59         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
60    o pkg/mom_vecinv:
61      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
62        to be before mom_calc_visc.F)
63      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
64      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
65        this is simpler for the adjoint and for diagnostics.
66    o model/src + pkg/momentum:
67      - add input files for  2-D additional Western and Southern cell-edge wall
68         (e.g., to add "thin-wall" where it is =1).
69      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
70        using 2nd hFacZ that is computed from initial (fix domain) hFac
71      - known limitations of thin wall implementation: not yet coded for sigma
72        coords; not working with CD-scheme neither.
73    o pkg/seaice:
74      - rename recently introduced parameters from (wrong name) AB to
75        BDF (backward difference time discretisation)
76      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
77    o tools/adjoint_options:
78      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
79    
80    checkpoint64t (2014/02/01)
81    o pkg/ecco
82      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
83        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
84      - replace hard-coded record number and period which only work for monthly
85        with read-in runtime param that works for other periods (month,day,year)
86    o pkg/thsice
87      - corrected store directive fixes thsice adjoint gradient checks
88    o genmake2 & testreport:
89      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
90        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
91        Update testreport accordingly. No need to set "export OPENAD=true"
92        in adjoint_options/adjoint_oad anymore (will be removed later).
93    o pkg/shelfice:
94      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
95        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
96        so that surface forcing applies to k=kSurf if using pkg/shelfice.
97    o pkg/ctrl, pkg/grdchk, pkg/ecco:
98      - Changes to make GENARR more modular (i.e. invisible if not used)
99    o model/src/temp_integrate.F and salt_integrate.F
100      - re-include store directives that were removed on Dec 27th.
101    o model/src/external_forcing_surf.F
102      - add storage directives for EmPmR and PmEpR to avoid recomputation of
103        seaice_model in the adjoint that is problematic when seaice_model is
104        turned off in the adjoint. The resolved issue dated back to July when
105        EXTERNAL_FORCING_SURF call was moved.
106        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
107    o pkg/exf/exf_check.F
108      - fix a small bug again (originally found by Wentao Liu, now found again)
109      - streamline error output
110    o pkg/streamice and aim_v23:
111      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
112        Apple's /usr/bin/cpp knows what to do:
113        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
114        Target: x86_64-apple-darwin13.0.0
115    
116    checkpoint64s (2014/01/05)
117    o tools/adjoint_options:
118      - switch to fastopt.net TAF server (instead of default fastopt.de) for
119        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
120    o model/src:
121      - remove some unnecessary TAF storage directives in forward_step.F and
122        in dynamics.F (note: not always removed by TAF, e.g., double storage
123        of kappaRU,kappaRV in former version of dynamics.F).
124    o model/src & pkg/ptracers:
125      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
126        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
127        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
128      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
129      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
130      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
131    o useSingleCpuInput separates single-CPU input from single-CPU output;
132        for now only implemented for in exf_interp_read.F
133    o verification/advect_xy:
134      - fix missing EXCH call in local version of ini_salt.F and update output.
135    o momentum diagnostics:
136      - fix which deltaT is used in Total-Tendency diagnostics.
137      - fix typo in diagnostics for momentum tendency from AB.
138    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
139        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
140    
141    checkpoint64r (2013/12/08)
142    o verification/*/results:
143      - Update reference output of experiments that were passing with just 13 digits
144         (make it easier to detect future changes in results)
145    o model/src & pkg/ptracers:
146      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
147        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
148        to inside ptracers_integrate.F ; remove ptracers_advection.F
149    o coupling interface pkgs:
150        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
151      - change the config check to test the agreement of Ocean Depth
152        with ATM land/sea mask (instead of ATM orography);
153      - send to coupler the number of coupler time-steps to do for this run:
154        this allows to check for consistency and don't need anymore to be
155        specified in parameter file "data";
156      in coupler:
157      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
158      - improve report to log-file of config setting (pass log-file unit to few S/R)
159    o pkg/compon_communic:
160      - add coupling send/receive for non-tiled integer vector;
161      - add S/R to check and stop if any proc has an error (similar to
162        eesupp/src/stop_if_error.F but single thread and across Comm_World).
163    o pkg/exch2:
164      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
165        through list of all tiles my proc owns.
166    o model/src:
167      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
168        from rTrans) to simplify dependencies (no need to store rTrans anymore in
169        calling S/R); this affects AD results at machine truncation level:
170        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
171        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
172    o tools/build_options:
173      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
174    o coupling interface pkgs:
175        [compon_communic, atm_compon_interf & ocn_compon_interf]
176      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
177        to each S/R that needs it; remove un-used variables.
178      - change component tile registration (cpl_register.F in both compon_interf
179        and mitcomponent_tile_register.F) to pass the full list of tiles
180        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
181      - with pkg/exch2: adopt the same convention used for I/O to define mapping
182        towards coupler global array (unless W2_useE2ioLayOut=F):
183         a) can now use different tiling between atm & ocn comp.
184         b) no needs to modify the run-Off map when changing tiling (was needed
185            even if using the same tiling between atm & ocn).
186         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
187            full land tiles); not yet tested.
188      - check for valid mapping from comp. tile to coupler global array
189      - improve report of tile registration results to log file.
190    o pkg/exch2:
191      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
192        tile-registration (CPL_REGISTER);
193      - activate (un-comment) definition and setting of "W2_tileIndex" list to
194        store the local bi,bj indices of each tile;
195      - also print bi,bj in local report to log file;
196      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
197        Jun 2009 modif of pkg/exch2).
198    o testing on baudelaire:
199      - run 2 tests at a time: no significant slow down (since enough cpu) and
200        get the full set of test done earlier
201      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
202    o model/src/thermodynamics.F and routines called from it:
203      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
204        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
205        velocity (outp) by adding bolus velocity.
206      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
207        mass transport from velocity + lateral grid cell area
208      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
209      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
210     in thermodynamics.F
211      - remove k from thermodynamics.F and move it to temp_integrate.F
212        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
213        loop).
214      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
215        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
216        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
217        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
218      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
219        global_ocean.90x40x15, tutorial_global_oce_biogeo and
220        tutorial_tracer_adjsens (+ TLM output).
221    o tools/OAD_support and (verification/*/) code_oad:
222      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
223        module conversion ; remove unneeded CPP_EEOPTIONS.h.
224      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
225        version (closer to model/inc/CPP_OPTIONS.h).
226    o model/src:
227      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
228        retired list of parameters (routine FREEZE has been replace by surface
229        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
230    o pkg/gmredi:
231      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
232        velocity (same scheme but affects machine truncation) for GM_AdvForm.
233      - update output of FWD experiments: front_relax.bvp,
234        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
235    
236    checkpoint64q (2013/11/17)
237    o verification:
238      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
239        tutorial_global_oce_biogeo and global_ocean.90x40x15.
240      - generate new output (growth & melt) for seaice_itd experiment after
241        updating the input pickup_seaice files (previously wrong).
242    o pkg/cost:
243      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
244        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
245        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
246          cannot be applied to var in common block).
247        o allows to get results independent of tile-per-proc setting (if using
248          slower GLOBAL_SUM_SEND_RECV option).
249      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
250        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
251        forward gradients: update output).
252      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
253        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
254    o pkg/mom_common:
255      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
256        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
257        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
258        ensure that all field value that are used are set.
259    o tutorial_deep_convection (smag3d):
260      - add missing scaling in mom_calc_smag_3d.F;
261      - set smag3D_coeff in input.smag3d such that results do not change.
262    o pkg/dic:
263      - change dic_cost.F to compute cost on each tile first and then apply
264        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
265        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
266      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
267    o eesupp/src & pkg/mdsio:
268      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
269        (from pkg/mdsio) since they are no longer used for tape IO.
270      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
271        (+ keep a copy in pkg/atm_ocn_coupler).
272    o verification/isomip:
273      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
274    o tools/build_options:
275      - optfile linux_amd64_ifort11, fast (no ieee) case:
276        to get a working restart for all experiments, add "-fp-model source"
277        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
278    
279    checkpoint64p (2013/10/20)
280    o pkg/autodiff:
281      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
282        criteria, return to simple (default) tape IO format.
283    o pkg/mdsio (+ eesupp/src):
284      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
285        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
286      - fix globalFile and singleCpuIO options using simpler global mapping.
287      - new pairs of scatter/gather vector S/R (one for each type, generated from
288        template) corresponding to simpler global mapping.
289      - adread_write.F: switch to new S/R (but leave old calls commented) and write
290        to globalFile when parameter globalFiles is set to True.
291      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
292    o pkg/autodiff:
293      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
294        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
295        missing, just add a STOP if array type do not match.
296    o pkg/exf:
297      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
298         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
299         and rename array obsSIce to exf_iceFraction.
300    o tutorial_deep_convection:
301      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
302        for now all in this exp. code dir.
303      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
304        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
305    o eesupp/src:
306      - added SINGLE_DISK_IO option because reading of parameter files on
307        very large number of processors did not work with existing set-up
308    
309    checkpoint64o (2013/09/25)
310    o pkg/atm_phys & atm_compon_interf:
311      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
312    o tools/build_options:
313      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
314        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
315        remove CPP setting (was identical to genmake2 default).
316    o pkg/gmredi & model/src: Some updating and work done on the residual model.
317      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
318      - fixed up the calculation of the eddy stress and how it is added to the
319        external forcing via taueddy_external_forcing.F
320      - at the moment, it is very experimental and only works with the variable eddy
321        diffusivity calculated in gmredi_k3d.F
322    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
323        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
324    o testreport (& tools/do_tst_2+2):
325      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
326    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
327      - remove CPP='cpp -traditional -P' (this is genmake2 default)
328      - add switch (for big setups) to use 'medium' memory-model (but leave it
329        commented out for now). Note: needed with FC 19 to compile big setups.
330    o pkg/atm_compon_interf:
331      - regroup per field origin (model & pkgs) the coupling storage routines
332         (which accumalate in time each coupling field)
333      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
334        update accordingly + simplify aim_do_physics.F
335    
336    checkpoint64n (2013/08/26)
337    o pkg/bbl:
338      - update formulation to reduce dispersion of tracer properties in bbl
339      - replaced horizontal and vertical transport parameters with velocities
340      - changes results for verification/global_with_exf.yearly
341    o verification/halfpipe_streamice:
342      - change to matrix construction; update both Fwd & AD output.
343    o verification/tutorial_tracer_adjsens:
344      - OpenAD test: switch to vector-invariant momentum since fluxform with
345        rStar causes problems with OpenAD; update output.
346    o tools:
347      - genmake2: define a common prefix for all temp-file names ; move them
348        to local /tmp disk (but would be easy to move them back);
349      - xmakedepend: apply the same switch for temp-files.
350    o pkg/offline:
351      - changes for use with rStar (NLFS): assume that we continue to provide
352        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
353        output files) and apply r* scaling at each time-step (function of the time
354        varying Eta field); use normal pickup files (needed for restart with NLFS).
355    o adjoint with OpenAD:
356      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
357        package openad.  This package has to be compiled for all runs with OpenAD
358        instead of specifying code_oad_all as a modification directory.
359      - link the fortran templates from tools/OAD_support to the build directory
360        for preprocessing to avoid conflicts between different setups compiled
361        simultaneously and simplify cleanup.
362    o pkg/exf:
363      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
364        main model or other pkgs are exchanged in EXF_MAPFIELDS).
365    o model/src:
366      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
367        (similar to do_fields_blocking_exchanges.F).
368    o tools/genmake2:
369      - remove TAF output src code just before calling staf (when not doing a fresh
370        built, will stop if things go wrong with staf).
371      - fix target "adobj" (left from TAF version-2 transition)
372    o pkg/diagnostics:
373      - add a parameter to track the status of pkg/diagnostics activation;
374        this replace/extend the use of logical param "settingDiags" (to check
375        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
376        New S/R to print error message and stop when pkgStatus is not right.
377      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
378    
379    checkpoint64m (2013/08/13)
380    o model/inc:
381      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
382        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
383    o pkg/kpp & aim_v23:
384      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
385    o pkg/seaice:
386      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
387        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
388      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
389    o eesupp/src:
390      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
391        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
392    o switch to TAF version-2:
393      - add flow directives to "freeze" naming convention for ad-routines that
394        are used in I/O routines of adjoint state and associated common blocks
395        that are used in adcommon.h (backward compatible with version-1)
396      - update all ad-optfiles (in tools/adjoint_options + few local to some
397        verification exp) to switch to latest TAF version (currently 2.5.5);
398        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
399        out except for diva).
400      - the major change with TAF version-2 is that both the differentiated
401        routines and the forward routines (new) are returned as part of the TAF
402        output source code. Update genmake2 accordingly.
403      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
404        with version-2 when compared to TLM or FWD gradient); other experiments
405        output show minor changes (machine truncation level); update the few AD &
406        TLM output with 12 matching digits only (some prior to version-2 switch).
407    
408    checkpoint64l (2013/08/05)
409    o model/src:
410      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
411      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
412        when using TAF but only if using OpenAD.
413    o pkg/mom_common+fluxform+vecinv:
414      - always set horiz. viscosity arrays to background value before calling
415        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
416        only when using variable horiz. viscosity (useVariableVisc=T);
417      - simplify mom_vecinv.F (only 1 block for momViscosity).
418    o pkg/mom_common: variable horiz. viscosity in NH code
419      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
420        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
421      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
422        useBiharmonicVisc & useVariableVisc.
423      - fix old bug (already in 1rst implementation of variable horizontal viscosity
424        in calc_gw.F, version 1.27, 2006/06/20):
425        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
426        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
427      - change background horiz viscosity in vertical momentum (gW) to always be
428        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
429        any type of variable viscosity, e.g., viscAh/4Grid)
430      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
431        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
432        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
433        default viscAh,viscA4 is zero).
434    o model/src:
435      - extend length of drC & recip_drC from Nr to Nr+1.
436    o Divided Adjoint (DIVA) with MPI:
437      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
438      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
439        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
440    
441    checkpoint64k (2013/07/23)
442    o tools/OAD_support:
443      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
444        and remove it from genmake2.
445    o tools/build_options:
446      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
447        MPI_HEADER_FILES list (let genmake2 find the missing headers)
448    o verification/halfpipe_streamice:
449      - change to driving stress formulation; update both Fwd & AD output.
450    o tools/genmake2 and Divided Adjoint with MPI:
451      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
452      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
453      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
454        Makefile, which is set by genmake2, and check which mpi-headers are needed.
455        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
456      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
457    o testreport:
458      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
459        perform additional runs (number of additional runs is "add_DIVA_runs" taken
460        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
461    o verification/lab_sea (AD test):
462      - change to test Divided Adjoint Run in this set-up (both standard AD test
463        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
464    o pkg atm_ & ocn_compon_interf:
465      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
466        staggerTimeStep implementation) and disable (retired) corresponding
467        parameter.
468    o pkg/offline:
469      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
470      - add S/R OFFLINE_CHECK to print offline parameter summary
471        and stop if loading a file that is not used;
472      - enable to calculate GMRedi tensor, KPP mixing and convective index
473        when the corresponding file(s) is/are not specified (but pkg is used).
474      - comment out resetting of monitorFreq (to endTime) since it still useful
475        for monitoring CFL numbers and checking offline fields.
476  o OpenAD:  o OpenAD:
477    - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get    - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
478      smaller standard output) and generate new (smaller) output (on baudelaire      smaller standard output) and generate new (smaller) output (on baudelaire

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