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revision 1.1932 by jmc, Sun Oct 20 21:39:32 2013 UTC revision 1.2176 by jmc, Wed Aug 26 13:50:38 2015 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o eesupp/src:
8      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
9        to always cumulate tile local-sum in the same order
10        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
11        Still uses MPI_Allreduce (like standard code) but on array of tiles
12        and should be faster than GLOBAL_SUM_SEND_RECV code.
13      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
14        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
15      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 13 more exp.:
16         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
17         fizhi-cs-aqualev20, global_ocean_ebm, matrix_example, natl_box,
18         solid-body.cs-32x32x1, tutorial_advection_in_gyre, tutorial_baroclinic_gyre
19         and tutorial_held_suarez_cs.
20    
21    checkpoint65n (2015/07/29)
22    o pkg/thsice:
23      - add a warning when used with pkg/aim but without updating SST
24        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
25    o pkg/offline:
26      - change where Offline-Fields are loaded, from load_fields_driver.F to
27        directly within FORWARD_STEP, just after updating iter number and time;
28      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
29        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
30       These changes allow:
31        a) to recover exactly on-line results using deltaToffline=deltaTClock,
32        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
33        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
34        time-step, both with GM & KPP files and with recomputing these fields;
35        b) no needs to switch on staggerTimeStep anymore;
36        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
37      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
38    o pkg/offline:
39      - change (rarely used) offset-iteration parameter to an offset time (in s):
40        can easily recover previous offset-iter effect by setting offset-time
41        (offlineTimeOffset) to offset-iter x deltaToffline;
42      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
43        in KPP as part of surface buoyancy forcing) in offline run.
44      - fix ptracers KPP non-local term in the case where KPP is re-computed.
45    o OpenAD
46      - Adding preliminary ggl90 test to OpenAD verification.
47        Config. with ggl90 currently diverges after 64 time steps
48        so will need more work to become more stable
49      - Adding preliminary kpp test to OpenAD verification.
50        required small tweakes in kpp_routines.F
51      - Merge and update from Krishna Narayanan's contrib area:
52        * Add one variable for preliminary OpenAD DIVA
53        * Add replacement time-stepping for OpenAD DIVA
54        * genmake2 flag -diva (but only for OpenAD; preliminary)
55        * required modifs for OAD_support
56        successful preliminary test for tutorial_global_oce_biogeo/
57    o pkg/seaice:
58      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
59      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
60        delta with a smooth function in s/r seaice_calc_viscosity
61        (no effect on EVP)
62      - rename local suffix "sqr" into "sq" for more consistent variable names
63    o pkg/seaice:
64        add new parameter SEAICE_deltaMin that is used ***only***
65        for regularizing Delta (and nothing else, like the parameter
66        which is also used for all sorts of things SEAICE_EPS).
67        Defaults to SEAICE_EPS for backward compatibility only.
68    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
69        the wrong key by inialising it before use -> fixes a recomputation
70        problem but does not fix the gradient
71    o pkg/layers:
72      - move resetting of flux arrays to outside the iLa loop
73        (this caused layers_diapycnal to not work with more than one layer coord.)
74      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
75    o pkg/layers:
76      - remove from common block 3D layers fields (used to diagnose transport
77        in tracer coords) and declare them as local arrays in layers_calc.F
78    o pkg/seaice:
79      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
80        in lab_sea forward experiment (changes results -> updated)
81      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
82    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
83       computations; for SEAICE_VECTORIZE_LSR
84      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
85        sweep to the outside,
86      - remove store directives and add "CADJ loop sequential" directives
87        in analogy to model/src/solve_tridiagonal.F
88      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
89        boundaries to yield more readable code. This has also the charming side
90        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
91        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
92        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
93        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
94        an additional option)
95       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
96       but the adjoint gradients (which are affected by this change) still explode.
97    o coupler (atm & ocn _compon_interf):
98      - avoid using Exch2 IO mapping if not suitable.
99    
100    checkpoint65m (2015/06/15)
101    o pkg/layers:
102      - clean-up old parameters setting (from Sep 2012):
103        + remove old parameters setting from common block (declared locally);
104        + stop if any old parameter is mixed with new parameters;
105        + check for valid or consistent parameter setting (e.g., layers_name)
106      - check that layers_bounds for Pot.Density are in the right range;
107        this is supposed to catch un-updated setting after recently shifting
108        potential density field "prho" by -1000 (now in "sigma" scale).
109    o pkg/layers:
110      - Added missing call to layers_fill for keeping track of tottend in
111        pkg/diagnostics/diagnostics_fill_state.F
112    o pkg/layers:
113      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
114        of diapycnal fluxes
115    o pkg/layers:
116      - reverted changes to interpolation to previous treatment; there
117        was never actually a problem
118    o pkg/layers:
119      - fix interpolation of layers tracers in the presence of partial cells
120      - add lots of new functionality to compute water mass transformation
121        (enabled by CPP flag LAYERS_THERMODYNAMICS)
122      - add new calls from main code (diags_oceanic_surf_flux.F,
123        thermodynamics.F, impldiff.F) and gad to save the necessary fields
124        for layers_thermodynamics calculations
125    o pkg/ptracers:
126      - add capability of stepping a passive tracer forward without advection
127        by setting PTRACERS_advScheme to 0.
128    o pkg/diagnostics:
129      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
130    o pkg/layers:
131      - shift potential density field "prho" by -1000 for density layer averaging so
132        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
133        Note that density bin boundaries (layers_bounds in data.layers) have
134        to be set accordingly (i.e., shifted, in sigma scale).
135    o pkg/layers:
136      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
137      - fix calculation of layer non-weighted velocity and layer probability
138      - add diagnostics for pot.density used for layer averaging
139    o pkg/seaice:
140      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
141        positiveness, modify a few comments and improve variable names,
142      - the changed computation of deltaC affects most seaice-related
143        experiments at the truncation level.
144        seaice_itd.thermo is affected by far the most, with
145        only 7 digits of agreement remaining; update experiments.
146    
147    checkpoint65l (2015/05/04)
148    o pkg/shelfice:
149      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
150        factor drKp1 to zero where it is negative (ie. do not use
151        SHELFICEBoundaryLayer if hFacC>1)
152      - the same for factor drLoc in shelfice_forcing.F
153    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
154        with modules in ptracers, when using testreport option "-small_f"
155    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
156      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
157    o verification/testreport
158      - add new option -small_f
159        with this option testreport first makes the target small_f (*.f files)
160        before running make (all). This is useful for explicit inlining when
161        all sources need to be full available.
162    o pkg/exf/exf_interp.F:
163        remove previous changes related to reverse (decreasing) input grids latitude
164    
165    checkpoint65k (2015/04/01)
166    o pkg/ecco:
167        fix missing cosphi initialization; use eccoiter in place of optimcycle;
168        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
169        instead of active read/write
170    o pkg/ctrl:
171        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
172        instead of active read/write.
173    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
174        return if .NOT.useAUTODIFF
175    o pkg/seaice: add CPP brackets (cost function related).
176    o model/src:
177        add useAUTODIFF run time switch.
178    o pkg/exf/exf_interp.F:
179        add code to allow input grids with latitude starting in the north (i.e. when
180        j=1 corresponds to northern edge of field); modify global_with_exf to test
181        this feature.
182    o verification/testreport:
183      - replace "grep -A3" with POSIX conformal sed command, because there are
184        implementations of grep that cannot do contextual searches
185      - replace "cat -n" by "nl" (two occurrences), because not all implementations
186        of "cat" have the option "-n"
187    o model/src:
188        add new file gsw_teos10.F that contains 3 functions, more or less a copy
189        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
190        convert from conservative to potential temperature. For now they are not
191        called anywhere.
192    o pkg/ggl90: make "useIDEMIX" useful
193      - re-organize code in s/r ggl90_calc a little to move computations that
194        are different for idemix into separate loops (changes verification
195        experiment idemix at truncation level, 12 digits remain -> updated)
196      - requires 2 new 2D fields KappaM, verticalShear
197      - make hFacI and recip_hFacI local 3D variables that are passed to
198        s/r ggl90_idemix
199      - fix and improve some comments
200    
201    checkpoint65j (2015/02/25)
202    o pkg/openad
203      - synchronize seawater.F with version in model/src: replace routine
204        body of sw_temp by calling sw_ptmp and fix/add a few comments.
205    o pkg/mnc:
206      - change default value of pickup_read/write_mnc params to FALSE
207        (since few features are missing in reading MNC pickup files).
208    o model/src:
209      - change default (background) vertical diffusivity for salt to be the
210        temperature (background) vertical diffusivity.
211      - change background vertical diffusivity in vertical mixing pkgs ggl90,
212        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
213        This makes ptracers default diffusivity (that uses salt diffKr) more
214        consistent with vertical mixing schemes.
215    o verification/testreport:
216      - fix typo in "-pcls" option ;
217      - put temp files in /tmp (instead of in local dir)
218      - add option "-ncad" to use genmake2 new option "-nocat4ad"
219      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
220    o pkg/ggl90 (idemix code):
221      - apply few fixes ; add some missing "_d 0" ; update output of exp.
222        global_ocean.90x40x15.idemix
223    o OpenAD
224      - enable active file I/O and begin removal of work-around code
225        for OpenAD for handling control variables (memory vs. active files)
226      - new CPP options file OPENAD_OPTIONS.h
227      - revert to genarr2d gradient check for hs94.1x64x5
228      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
229      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
230    o tools/genmake2:
231      - add option for an alternative Makefile (from Martin) where multiple
232        source files are sent to TAF (instead of all in one file).
233    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
234      - code provided by Carsten Eden as an extension of ggl90
235      - so far the code is turned on within ggl90 by setting a CPP-flag at
236        compile time; a runtime flag implementation is not yet complete
237      - tested in new verification experiment global_ocean.90x40x15.idemix
238    o verification:
239      - reduce length of the AD test run by half for experiments
240        global_ocean.cs32x15 (std + thsice) and isomip
241      - enable active file I/O for OpenAD, adjust verifications accordingly
242      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
243    o verification/testreport:
244      - fix two non-POSIX sed statements so that there are no error messages
245        on Mac OS X
246      - replace hostname -s with hostname | sed 's/\..*$//'
247    o model/src/seawater.F:
248      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
249        (following the matlab code), which would have avoided the bug caught
250        by Matt (see below) in the first place
251    o pkg/shelfice:
252      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
253        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
254      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
255        ice-shelf case (i.e., within surface level).
256      - add config summary in shelfice_check.F
257      - remove global variable recip_SHELFICElatentHeat and replace by a local
258        variable recip_latentHeat
259      - introduce diagnostics for friction velocity uStar (in case of
260        SHELFICEuseGammaFrict)
261      - change verification experiment isomip.htd:
262        + start from pickup (as input_ad at nIter0=8640)
263        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
264        + test SHELFICEuseGammaFrict = .TRUE.
265        + test SHELFICEadvDiffHeatFlux = .TRUE.
266    o model/src:
267      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
268        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
269        update output of experiments global_with_exf.yearly and isomip (all 6).
270    o pkg/shelfice:
271      - change setting of kTopC to also be zero where there is no ice-shelf.
272      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
273        ice-shelf is.
274      - first attempt to get RealFreshWaterFlux effects: for now, only without
275        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
276    o pkg/seaice: add the option to prescribe a fixed thickness PDF
277      for thermodynamic calculations
278      - because of divisions of the type 7/7 not exactly equal to 1, this change
279        affects results of some verification experiments by up to 4 digits:
280        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
281        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
282        adjoint: lab_sea, lab_sea.noseaicedyn
283        -> updated
284    
285    checkpoint65i (2015/01/23)
286    o model/src:
287      - change units of frictionHeating field from W to W/m^2
288      - fix bug in frictional heating from stratospheric drag in
289        S/R ATM_PHYS_TENDENCY_APPLY_V
290      - with synchronous time-stepping: move resetting to zero of frictionHeating
291        field from load_fields_driver.F to thermodynamics.F ;
292      - add diagnostics for frictional heating.
293    o model/src & gmredi K3D:
294      - add frictionHeating field to pickup-files (for synchronous time-stepping)
295      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
296      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
297        and name in pickup file).
298      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
299    o model/src:
300      - move (from ini_forcing.F) initialisation of all arrays in header file
301        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
302        (since Nov 2012) with option selectAddFluid=1.
303    o pkg/shelfice:
304      - change units (+ document) of newly added field "shelfIceMassDynTendency"
305      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
306    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
307    o pkg/seaice: two new runtime parameters:
308      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
309        long overdue
310      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
311        parameterization of tensil stress for fast ice (does not do anything yet)
312    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
313        for LSR: move checking overlaps out of JFNK-if-block
314    o pkg/atm_phys:
315      - move copy of grid and dynamical fields out of atm_phys_driver.F into
316        new S/R ATM_PHYS_DYN2PHYS.
317      - fix level height for Linear Free-Surf case (to be consistent with
318        fixed-in-time pressure levels).
319    o pkg/mom_common (bottomdrag):
320      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
321        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
322        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
323    o pkg/shelfice (u/v_drag):
324      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
325      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
326        (now similar to shelfice_u_drag.F)
327      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
328        from mom_vecinv.F (similar to mom_fluxform calls).
329    o pkg/mom_common (bottomdrag):
330      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
331      - add options for alternative discretisation of velocity norm in quadratic
332        bottom drag: averaging of grid-cell-center KE to U.point and V.point
333        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
334        improves when averaging only the other component (e.g. vVel for U bottom
335        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
336      - add options (bottomVisc_pCell) to account for partial-cell in bottom
337        friction (no-slip BC) thus getting the true distance from the bottom;
338        off by default since this also reduces model stability (explicit bottom
339        friction). Changes produce different machine truncation with linear-drag
340        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
341        front_relax (bvp & mxl, 10 & 11 digits).
342    o model/src & mom pkgs:
343      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
344        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
345      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
346        just copy level Nr value to level Nr+1.
347    o doc:
348      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
349    o pkg/streamice:
350      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
351        SHELFICE.h: move array shelficemass to init_varia, initialise
352        from array shelficemassinit, which is set in init_fixed and
353        has option to be set from file; introduce array
354        shelficeMassDynTend array, set thru file in init_fixed
355      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
356        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
357        pkg/streamice
358      - shelfice_thermodynamics.F: call shelfice_step_icemass if
359        SHELFICEMassStepping = .true.
360      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
361    
362    checkpoint65h (2014/12/17)
363    o verification/global_ocean.90x40x15, global_ocean_ebm:
364      - update to generic controls.
365    o pkg/ctrl:
366      - ctrl_map_ini_genarr.F: test for igen>0
367      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
368      - move gentim2d part of ctrl_map_ini_genarr.F to
369        new separate routine : ctrl_map_ini_gentim2d.F
370      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
371        add time variable weights and cyclic controls (time mean,
372        seasonal cycle, etc) capabilities to gentim2d
373    o pkg/ecco:
374      - move reading of error, conversion to weights from
375        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
376    o global_oce_llc90, cs32:
377      - activte sbo.
378      - CTRL_SIZE.h : add maxCtrlProc.
379      - activate the new genctrl capabilities.
380      - update following reorganization of global_oce_input_fields.tar.gz  
381    o pkg/ctrl/ctrl_ad_diff.list:
382      - add missing ctrl_init_rec.f
383    o tools/OAD_support/keepOriginal:
384      - add ctrl_init_rec.F
385    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
386      - avoid recomputations of xx_gentim2d_dummy.
387    o momentum diagnostics:
388      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
389        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
390    o pkg/seaice/seaice_lsr.F:
391      - fix computation of BU/BV, make sure they are non-zero, only necessary
392        for cubed sphere exchanges and SEAICE_OLx/y>0.
393        This makes calling s/r fill_cs_corner_rl obsolete (removed).
394    o verification/global_ocean.cs32x15/input.seaice
395      - add test for strong implicit coupling and restricted addtive Schwarz
396        methods for LSR
397      - update results/output.seaice.txt
398    o verification/tutorial_global_oce_biogeo:
399      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
400        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
401        update output_adm,_oadm,_tlm.txt
402    o pkg/dic:
403      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
404      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
405        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
406    o verification/tutorial_global_oce_biogeo:
407      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
408        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
409        update output_adm,_oadm,_tlm.txt
410    o eesupp/src:
411      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
412        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
413    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
414      LSR (following Hutchings et al. 2004)
415      - introduce zetaZ as a global variable (requires adjustments in
416        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
417        in seaice_calc_viscosities.F
418      - new flag SEAICEuseStrImpCpl (default off)
419      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
420        momentum equations
421      - JFNK-solver (preconditioner) adjusted to allow using this method
422        (where it does not have any positive effect)
423    o pkg/seaice
424      - add overlap for restrictive additive Schwartz method also to LSR, but
425        turn it off by default (because it only seems to work for non-cubed
426        sphere/llc topologies)
427    o pkg/autodiff
428      - add extra exchanges in addummy_in_steppging also for mnc output
429    o pkg/seaice:
430      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
431        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
432    o pkg/obcs:
433      - add option to specify domain-connected piece Id along OB though files
434        (for now, only used to diagnose PhiVel; default =1 -> global correction)
435      - modify obcs_diag_balance.F to process each connected-part separately;
436        exclude OB where Id = 0 but keep the full divergence there (-> constant
437        Psi along this portion of OB and all inflow derived from grad(Phi))
438      - add example of OB-conect files in verification/so_box_biogeo/input.
439    o pkg/diagnostics:
440      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
441      a) use non zero matrix element across OB and solve for Phi 1 grid point
442         outside OB (i.e, where tracer OBCS are applied).
443      b) global imbalance of inFlow/outFlow across OB: instead of modifying
444         velocity across OB, spread it uniformly along the OB in the RHS.
445    
446    checkpoint65g (2014/11/19)
447    o pkg/diagnostcis:
448      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
449    o pkg/my82,pp81,kl10:
450      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
451        field diffKr as background diffusivity to set minimum diffusivity value.
452    o pkg/seaice:
453      - add new parameter SEAICEuseEVPrev (for revisited EVP by
454        Bouillon et al 2013)
455      - add SEAICE_evpAlpha/Beta to namelist
456      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
457        involve trivial re-ordering of divisions/multiplications that should not
458        have any effects, but ... they do change the results of lab_sea.hb87 so
459        that only 2 digits of agreement remain, in line with the general
460        instability/fragility of the evp-code. For now, I do not care and just
461        update the verification experiment
462    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
463      - remove xx_genarr2d_numsmooth etc
464      - use xx_genarr2d_preproc etc instead
465      - carry out smooth_correl2D at initialization stage rather than during
466        time stepping.
467      - get smoothOpNb from xx_gentim2d_preproc
468    o global_oce_cs32 :
469      - add test of generic ecco capabilities.
470    o pkg/exf/exf_getsurfacefluxes.F :
471      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
472    o pkg/ctrl,ecco :
473      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
474        is defined.
475    o pkg/seaice: add diagnostics for Delta (deformation parameter)
476    o model/src:
477      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
478        diffusivity (background) is specified but ignored.
479    o verification:
480      - in testreport, convert hostname to lower case for default output dir name
481    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
482    o pkg/dic: add modifications from Hajoon:
483      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
484      - light attenuation: add self-shading effect by climatological Chlorophyll
485        (read from file).
486    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
487        compiles when SEAICE_ALLOW_DYNAMICS is undefined
488    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
489        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
490        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
491        approach where CPP_OPTIONS.h includes an omnipotent
492        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
493    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
494        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
495    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
496        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
497        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
498    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
499      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
500      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
501      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
502      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
503    o pkg/ctrl,ecco,exf :
504      - remove variables associated with NON-generic costs,
505        unless ECCO_CTRL_DEPRECATED is defined.
506      - remove NON-generic NON-obcs controls,
507        unless ECCO_CTRL_DEPRECATED is defined.
508    o pkg/ctrl : added ctrl_local_params.h
509    o pkg/ecco : added ecco_local_params.h
510    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
511        experiments, which will progressively be removed once the
512        experiments are revised to use only generic controls/costs.
513    
514    checkpoint65f (2014/10/13)
515    o pkg/ctrl, ecco, seaice : minor changes in headers
516    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
517        cost function and control capabilities added since checkpoint65c.
518    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
519    o pkg/ecco: increase modularity and improve logic
520      - ecco_toolbox.F (new) : basic operations that are often used,
521        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
522        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
523      - cost_gencal.F (new) : determine filnames and records.
524      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
525      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
526        and exploit the above functions leading to more compact code.
527      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
528      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
529        using_ers, using_gfo, using_mdt is now only defined within gencost)
530    o pkg/ecco: extend generic cost capabilities
531      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
532        capabilities via gencost_preproc (+ _c,_i,_r related params),
533        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
534        gencost_outputlevel arguments to cost_generic
535      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
536        and active_read, making room for gencost_preproc to take effect.
537        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
538      - pkg/ecco/cost_generic.F :
539        compute and store misfit maks*(model-data) in localdif that is
540        then used in cost and for output, output misfit if outlev.GT.0
541      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
542        rather gencost_barfile for deciding whether to write barfile
543      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
544      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
545        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
546      - pkg/ecco/ecco_summary.F : report gencost variables
547      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
548    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
549    o pkg/ecco: internal re-organization
550      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
551        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
552        mv relevant variables definition from ecco_cost.h to ecco.h,
553        make sure gencost routines only include ecco.h)
554      - throughout : add missing CCP switches, rm unused variables,
555        and rm un-necessary CPP switches
556      - throughout gencost routines : replace modelstartdate with
557        gencost_startdate when needed
558      - cost_bp_read.F : use arguments, instead of common blocs
559        so that it can be used also by (new) cost_gencost_bpv4.F
560      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
561      - ecco_phys.F : compute etanFull
562      - ecco_readparms.F : rename using_topex as using_tpj, add
563        bpv4-grace to gencost list, initialize added parameters
564      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
565    
566    checkpoint65e (2014/09/28)
567    o pkg/obcs:
568      - replaced the just-added CPP options with run-time variables
569        (see pkg/obcs/OBCS_PARAMS.h for details)
570    o pkg/obcs:
571      - add additional CPP options for sponge boundary layers
572        (see pkg/obcs/OBCS_OPTIONS.h for details)
573    o pkg/atm_phys:
574      - implement simple (obliquity only, assuming circular planet orbit)
575        seasonal cycle for incoming insolation ; used when run-time parameter
576        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
577    o pkg/exf, pkg/ecco, pkg/ctrl:
578      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
579      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
580      - implement gentim2d for xx_tauu, xx_tauv
581    o pkg/ctrl, pkg/ecco :
582      - fix and complement the generic controls implementation
583    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
584        pkg/shelfice/shelfice_thermodynamics.F,
585        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
586        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
587      - add weight in CTRL_GET_GEN calls
588    o pkg/ctrl :
589      - ctrl_get_gen.F : add weight as input parameter, and apply
590        it directly rather than using smooth_correl2Dw (to be retired).
591      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
592    o pkg/ctrl :
593      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
594        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
595      - re-activate ctrl_summary (call in ctrl_init.F)
596    o pkg/ctrl/ctrl_cost_gen.F :
597      - fix CCP brackets, remove un-necessary myiter, mytime
598    o pkg/ecco, pkg/ctrl :
599      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
600      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
601      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
602      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
603    
604    checkpoint65d (2014/09/15)
605    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
606      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
607        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
608    o pkg/ctrl/ctrl_map_ini_genarr.F :
609      - remove compilation failure
610      - replace hard coded example
611      - use ctrl_map_ini_gen2D, 3D
612    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
613      - on/off switch based upon xx_genarr2d_weight,3d
614    o src/packages_init_variables.F :
615      - regroup pkg/estimation calls
616      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
617        (moved to ctrl_init_variables)
618    o cost/cost_init_varia.F :
619      - remove ecco_cost_init_varia
620        (moved to ecco_init_varia)
621    o ctrl/ctrl_init_variables.F :
622      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
623      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
624    o ctrl/ctrl_map_ini.F :
625      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
626        (moved to ctrl_init_variables)
627    o ctrl/ctrl_map_ini_ecco.F :
628      - remove ECCO_PHYS (mv to ecco_init_varia)
629      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
630    o ecco/ecco_ad_diff.list :
631      - add ecco_init_varia.f
632    o ecco/ecco_init_varia.F
633      - new routine
634    o pkg/streamice:
635      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
636        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
637      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
638    o pkg/generic_advdiff:
639      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
640    o pkg/exf:
641      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
642         xxg_precip capability
643      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
644    o pkg/ctrl:
645      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
646    o model/src/load_fields_driver.F :
647      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
648        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
649    o OpenAD verification experiments:
650      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
651        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
652        for now, only in pkgs used in OpenAD verification experiments.
653      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
654        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
655        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
656        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
657    o OpenAD verification tests:
658      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
659      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
660        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
661      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
662        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
663    o model/src & generic_advdiff:
664      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
665        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
666        dynamics requires valid tracer forcing only over tile interior but, for
667        some diagnostics, may need to extend it over 1 point in tile halo region.
668      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
669        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
670        setting in temp/salt/ptracer_integrate.F
671    o pkg/dic:
672      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
673        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
674        in gchem_forcing_sep.F
675    o pkg/autodiff & obcs:
676      - add storage of current OB values for U & V (was already done for T & S).
677    
678    checkpoint65c (2014/08/30)
679    o pkg/dic:
680      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
681        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
682        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
683    o verification:
684      - new experiment testing OBCS and DIC pkgs, using params & output from
685        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
686        passage: take OBCS from the last year of a 2 yrs simulation and initial
687        conditions from t=1.yr while keeping the same forcing.
688    o model/src:
689      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
690        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
691    o pkg/diagnostics (Stats-Diags):
692      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
693        a) refine region where stats are computed, excluding where arrhFac=0 ;
694        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
695        c) extend regional stats over the region edges (for U or V pt location).
696    o pkg/gchem:
697      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
698        pkg/dic is currently changing/updating ptracers values beyond the OB).
699    o verification (hs94):
700      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
701        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
702        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
703        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
704    o pkg/ptracers:
705      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
706        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
707      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
708        with AB-2 code (so that it get tested).
709    o model/src:
710      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
711        with AB-2 code (previously only available with AB-3 code).
712        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
713        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
714        there, by calling CYCLE_AB_TRACER).
715    o pkg/generic_advdiff:
716      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
717        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
718        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
719        S/R temp/salt/ptracers_integrate.F
720    o model/src & pkg/ptracers:
721      - remove common block variables gT,gS (in DYNVARS.h), except when
722         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
723      - remove common block variable gPtr.
724    o model/src & pkgs:
725      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
726         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
727         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
728         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
729      + change accordingly all calling S/R.
730      - use local temperature/salinity/ptracer tendency array (without bi,bj)
731        in S/R temp/salt/ptracers_integrate.F
732    o pkg/seaice:
733      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
734        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
735      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
736        in seaice_lsr
737      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
738        in s/r seaice_lsr_calc_coeffs
739    o pkg/mdsio:
740      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
741        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
742        too long (e.g., > MAX_LEN_FNAM/2 )
743    
744    checkpoint65b (2014/08/12)
745    o pkg/matrix:
746      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
747    o model/src:
748      - fix initialisation of geothermalFile; compile geothermal-flux code in
749        natl_box verification experiment.
750    o model/src & pkg/down_slope:
751      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
752      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
753        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
754        results at machine truncation level: update output of experiments
755        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
756    o pkg/diagnostics (Stats-Diags):
757      - do not cumulate the full volume when DIAGNOSTICS_FILL is
758        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
759        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
760        times (but Min,Max and StD are still wrong).
761    o model/src:
762      - add geothermal flux forcing: read in ini_forcing.F as time-constant
763        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
764    o model/src:
765      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
766        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
767        arrays are already updated while adjustments (filters, conv.adjustment) are
768        still applied later, in S/R TRACERS_CORRECTION_STEP.
769    o model/src:
770      - store in common bloc array "rhoInSitu" the virtual potential temperature
771        anomaly that is used to compute geopotential: this make the atmos code
772        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
773    o pkg/seaice/seaice_lsr.F
774      - rename integer variable ilcall to ipass (that's what it is called
775        in the residual diagnostics
776      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
777        default) for improved non-linear convergence of the first few steps
778      - adjust a few comments and add new ones to explain some of the store
779        directives
780    o pkg/generic_advdiff (& ptracers):
781      - re-work the code to check for valid advection scheme and for minimum
782        size of overlap (now stored in local common bloc in gad_advscheme.F)
783    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
784      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
785      - add an auxilliary variable "bet" and fix store directives and keys in
786        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
787        less exact gradients in my tests); but there are still
788        recomputation warning (although gradients are sort of OK), when
789        SEAICE_LSR_VECTORIZE is not defined, so this flag and
790        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
791      - update verification experiments lab_sea.
792      - change some comments in S/R seaice_calc_viscosities
793    o model/src:
794      - if staggerTimeStep=T, always apply exchange to velocity field in
795        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
796        (independent of using multi-dim advection or not); no effect on FWD run
797        but affects AD results (at machine truncation level): update output of
798        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
799        and isomip (oad: 12.d).
800    o pkg/generic_advdiff:
801      - stop if doAB_onGtGs is set to FALSE but ignored
802      - refine warning related to stability of tracer time-stepping
803        regarding internal wave dynamics.
804      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
805        on staggerTimeStep & implicitIntGravWave (will now get a warning
806        if potentially unstable).
807    o pkg/kl10:
808      - add new pkg "kl10" for mixing due to internal wave breaking, from
809        http://www.sciencedirect.com/science/article/pii/S1463500310000144
810        (contribution from Jody Klymak), tested in verification experiment
811        verification/internal_wave/input.kl10/
812    o isomip experiment:
813      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
814        (input.htd) and update the output.
815    o cd_code experiments:
816      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
817        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
818        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
819        update the corresponding output.
820    o pkg/seaice:
821      - reduce the number of include files and store directives in
822        S/R seaice_lsr_tridiagu/v
823      - change the order of loops in one case in S/R seaice_lsr_tridiagv
824        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
825        get rid off one store directive (a TAF bug?)
826      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
827        S/R seaice_lsr_tridiagv to change the loop range for consistency
828      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
829      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
830        S/R seaice_lsr_tridiagu/v (requires update of
831        offline_exf_seaice/input.dyn_jfnk)
832    
833    checkpoint65a (2014/07/27)
834    o model/src:
835      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
836        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
837        (topo in p-coords, ice-shelf in z-coords); update output of experiments
838        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
839    o model/src:
840      - collect momentum forcing tendency into local 2-D array (passed as argument
841        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
842        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
843        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
844      - collect T & S forcing tendency into local 2-D array (passed as argument to
845        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
846        affects results at machine truncation level (e.g., ocean: if using
847        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
848        correction due to vertical advection).
849      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
850        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
851        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
852        obcs_ctrl (ad & fwd grd @ 12 & 7).
853    o pkg/ptracers & diagnostics:
854      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
855        title (to avoid some unexpected truncation); sort out ptracers diags units.
856      - collect ptracer forcing tendency into local 2-D array (passed as argument
857        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
858    
859    checkpoint65 (2014/07/18)
860    o pkg/fizhi:
861      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
862        affects results at machine truncation level. Update output of experiments
863        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
864    o pkg/seaice: more clean up
865      - rename TAF common block tapes to be more consistent and remove
866        unnecessary duplicates
867      - add store directives to remove more recomputations, but use smaller
868        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
869        The idea behind this flag is to reduce the memory footprint when the
870        adjoint of the LSR is not required. As of now, defining the flag
871        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
872        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
873        For experiment offline_exf_seaice, this means on a linux box with gfortran
874        nearly a factor of 10 (but keep in mind there is mostly seaice code in
875        this experiment):
876        > size mitgcmuv_ad
877        text    data        bss     dec        hex
878        5100659 1216  220458952  225560827  d71c8fb
879        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
880        but only a moderate increase of 36% for global_ocean.cs32x15:
881        text    data        bss     dec        hex
882        6695027 1648 1014578664 1021275339 3cdf6ccb
883        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
884      - note: there are still recomputations in global_ocean.cs32x15 and
885        offline_exf_seaice and the gradient agreement changes (gets a
886        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
887      - in general, the AD gradients still are wrong
888    o OpenAD
889      - clean up code_oad/ directories somewhat by moving files
890        dontCompile, dontTransform, keepOriginal to OAD_support/
891    o model/src:
892      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
893        (not currently tested): add dissipation terms before NLFS rescaling of
894        tendencies (previously done after).
895    o pkg/diagnostics:
896      - write stats-diags in ascii file with more digits (same as in monitor).
897    o pkg/down_slope:
898      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
899        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
900    o model/src:
901      - new file "apply_forcing.F" containing all the code previously in
902        external_forcing.F, but with new argument list: pass, as new argument,
903        the current level tendency array to update (instead of a direct update
904        of the common bloc array). Change the corresponding calls.
905      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
906        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
907    o pkg/seaice/seaice_lsr, a little bit of clean up
908      - rearrange some code blocks, so that now all calculations for
909        setting up the right-hand-sides done within one single block
910        (I find that easier to read and understand)
911      - rearrange freedrift-code to reduce the number of ifdefs
912      - adjust some indentations and comments
913    
914    checkpoint64z (2014/07/10)
915    o model/src and several pkgs:
916      - change argument list of all S/R called from external_forcing.F and
917        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
918        to pass, as argument, the current level tendency array to update
919        (instead of a direct update of the common bloc array).
920      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
921      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
922    o pkg/seaice/seaice_lsr.F
923      - always initialize local arrays in seaice_lsr_tridiagu/v
924      - add more local tapes to seaice_lsr_tridiagu/v
925      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
926        keep it in bi/bj loop; this seems to be essential
927      - gradients are still wrong but only by 4-7 orders of magnitude
928        instead of 15 orders of magnitude, lab_sea improves a little
929    o pkg/seaice
930      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
931        generates unnecessary code in seaice_lsr_ad
932      - add more store directives in seaice_lsr to avoid unnecessary code
933        in seaice_lsr_ad
934      - exclude some residual computations in seaice_lsr when
935        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
936        in seaice_lsr_ad
937      - add more storing, a new tape (model/src/the_main_loop.F) and
938        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
939        and klockey should be checked by a specialist)
940      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
941        and update lab_sea after previous changes in pkg/seaice below
942    o pkg/autodiff:
943      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
944        viscFacInAd : run time parameters allowing for adjoint switches
945        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
946    o pkg/ecco:
947      - introduce cost_gencost_boxmean.F that computes a box mean
948        temperature (for use in adjoint sensitivity studies).
949    o model/src/set_defaults.F : initialize viscFacAdj to 1.
950    o pkg/mom_common/mom_calc_visc.F:
951      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
952    o pkg/seaice/seaice_summary.F:
953      - statement for SEAICEadjMODE now in autodiff_readparms.F
954    o pkg/seaice:
955      - remove some store directives and add new ones in an effort to get
956        finally rid off the recomputation warnings. This is successful
957        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
958        defined (i.e. no extensive recomputation warnings left), but there
959        are still too many recomputations on the solver iteration level
960      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
961      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
962        SEAICE_SIZE.h
963      - add a store directive in S/R seaice_calc_viscosities
964    o pkg/seaice (ITD code):
965      - fix definition of Hlimit for multi-threaded case
966      - use double precision arithmetic to compute Hlimit: this affects results;
967        update output of experiment seaice_itd.
968    o replace content of verification/seaice_itd
969      - instead of a 1D column use the configuration of offline_exf_seaice
970        to test the ice thickness distribution code with ridging
971      - this is a first shot at this experiment
972      - change of some defaults of ridging parameters SEAICEhStar (from
973        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
974        and lot of new comments.
975    
976    checkpoint64y (2014/06/20)
977    o pkg/seaice/seaice_reg_ridge.F:
978      - modify the regularization of very small volumes of ice; only check
979        total volume HEFF, and do not apply correction to individual ice
980        classes because that leads to funny patterns in the heat and fw-fluxes
981        into the ocean. Adjust seaice_itd/results/output.txt
982      - replace nITD by SEAICE_multDim in loop-ranges
983    o pkg/exf:
984      - add code to process the case field period = -12. with UV interpolation.
985      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
986        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
987    o verification/global_with_exf:
988      - switch all fields period to -12. (was previously untested) in input/data.exf
989        (but keep secondary test ".yearly" unchanged); update the reference output.
990    o pkg/cal:
991      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
992    o pkg/exf:
993      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
994        to replace logical switch "exf_verbose"
995      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
996    o pkg/sbo:
997      - update from Katherine Quinn: evaluate mass directly from density and SSH
998        (budget using Finite Volume method) instead of from bottom pressure.
999      - allow testreport to collect few selected SBO output ; tested in exp.
1000        global_ocean.90x40x15 (after updating the results, to include SBO output).
1001      - fix some multi-threading issues (in output part).
1002    o model/src & most packages:
1003      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
1004      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
1005        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
1006        "data.{pkg}" exist ; and leave the S/R (return) just after.
1007      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
1008        + call LAND_READPARMS from packages_readparms.F
1009    o pkg/seaice:
1010      - remove code that resets useThSice in S/R seaice_readparms and
1011        replace it by a warning in S/R seaice_check
1012      - remove parameter MULTDIM, replace with nITD and runtime
1013        parameter SEAICE_multDim (still hard-wired to nITD if
1014        SEAICE_ITD is defined)
1015    
1016    checkpoint64x (2014/05/24)
1017    o verification/lab_sea:
1018      - update adjoint and TLM output following changes to pkg/salt_plume
1019      - un-do the update after putting back local recip_Cp in few places.
1020    o pkg/salt_plume: modifications by An Nguyen:
1021      - add capability to do brine rejection (salt-plume) as function of
1022        volume+tracers (instead of only salinity tracer).
1023      - conserve volume by exchanging volume from each kLev to above to
1024        accommodate in-coming brine volume
1025      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
1026      - switch KPP surf buoyancy due to brine forcing to 3-d
1027        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
1028      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
1029      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
1030        in East/West Arctic.
1031    o pkg/sbo:
1032      - incorporate modifications from Katherine Quinn to enable the use of sbo
1033        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
1034        output for future testreport verification (unfinished).
1035    o pkg/atm_phys:
1036      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
1037        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
1038        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
1039    o pkg/seaice
1040      seaice_calc_ice_strength.F: modify expression to avoid divisions
1041        (affects truncation)
1042      seaice_do_ridging.F: clean up the insectarium
1043      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
1044      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
1045      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
1046      - add some debugging information and error messages (warnings)
1047    o model/src: modifications relatd to atmosphere p*:
1048      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
1049      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
1050        of vertical profile tRef in geopotential background and anomaly.
1051      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
1052        and pkg/atm_phys.
1053      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
1054        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
1055    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
1056    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
1057        not used right now, but can be used in BGC packages to fix conservation.
1058    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
1059        other packages too.
1060    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
1061        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
1062    o model/src:
1063      - since we have several heat capacity (even in model/src), define "recip_Cp"
1064        as local variable (no longer in common block) to avoid any confusion.
1065      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
1066    o pkg/exf:
1067      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
1068        air density as function of air Temp, Humidity and atm pressure.
1069    
1070    checkpoint64w (2014/05/02)
1071    o verification:
1072      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
1073        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
1074        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
1075        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
1076        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
1077    o model/src: for atmosphere in p* coords:
1078      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
1079      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
1080        but not yet activated.
1081    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
1082      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
1083      - this changes the results (but not for any verification experiment, because
1084        none tests this), but avoids having an extra field in the restart files
1085    o pkg/seaice: remove global variable TICE (not needed)
1086      - replace by TICES or local variable where necessary (cost_seaice_test,
1087        seaice_diagnostics_state)
1088      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
1089      - use specific read/write routines for reading and writing individual leves
1090        of a multilevel field
1091    o pkg/ctrl & model/inc:
1092      - move additional anomaly fields of control vars (related to options:
1093         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
1094        from DYNVARS.h into new header file: CTRL_FIELDS.h
1095    o pkg/seaice: some small modifications to the ridging code
1096      - make fw2ObyRidge a global variable and add the freshwater flux to
1097        seaice_growth
1098      - pass actual thickness from seaice_prepare_ridging, so that it is
1099        computed only in one place and compute it in the same way as in
1100        seaice_growth
1101      - initialise more fields in seaice_do_ridging that where cause floating
1102        point exceptions over land
1103    o pkg/seaice: preparations for ridging code and first real ridging code
1104      - move most of "PART 1" of S/R seaice_growth into a new and separate
1105        S/R seaice_reg_ridge that will both regularize the state variable after
1106        advection call the actual ridging routine;
1107      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
1108        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
1109      - remove ridging code from seaice_advdiff
1110      - clean up remaining part 1 of seaice_growth in an attempt to make it
1111        more readable (this is probably subjective)
1112      - call seaice_itd_redist once in the initialisation phase to have the initial
1113        conditions in the correct category
1114      - finally: add new ridging routine for ITD code
1115    
1116    checkpoint64v (2014/04/11)
1117    o pkg/ecco:
1118      - add runtime parameters mdt[start,end]date[1,2]
1119      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
1120    o pkg/seaice:
1121      - make deltaC a global variable, so that it can be used in ridging code
1122      - first step towards ridging: introduce new routines that compute
1123        ice strength based on ridging parameters
1124      - add diagnostic for HSNOWITD
1125      - add opnWtrFrac as a global variable (required for ridging scheme)
1126    o pkg/salt_plume + pkg/seaice/seaice_growth.F
1127      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
1128        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
1129    o verification/hs94.1x64x5:
1130      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
1131      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
1132    o autodiff:
1133      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
1134        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
1135        For now, only in pkgs used in verification/hs94.1x64x5.
1136      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
1137        which are specific to TAF/TAMC).
1138      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
1139        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
1140        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
1141      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
1142        building mitgcmuv_ad (make adAll).
1143    o pkg/ecco:
1144      - cost_gencost_seaicev4.F:
1145         reformulate proxy cost as function of sst and local param SEAICE_freeze
1146         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
1147      - add stop statement if old names siv4-[sst,vol] are used
1148      - add snapshots + cost reports for atmospheric longwave
1149      - remove factor 0.1 in front of wtau[u,v]
1150      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
1151         ALLOW_TMI_SST_COST_CONTRIBUTION
1152    o pkg/atm_phys:
1153      - add some diagnostics for Short-wave and for convection S/R.
1154    o pkg/seaice/seaice_growth:
1155      - fix a bug in the lateral melt parameterization for SEAICE_ITD
1156        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
1157      - rearrange loop order for better vector code in the same code block
1158      - rewrite the floeDiameter formula to have fewer divisions
1159      -  (miraculously) none of this changes the results of seaice_itd
1160    o pkg/smooth:
1161      - move param smooth2Ddiffnbt to pkg/ecco
1162    o pkg/salt_plume:
1163      - salt_plume_frac.F:
1164         clean up local param names
1165         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
1166    o pkg/rw:
1167      - add RS version of S/R READ_MFLDS_LEV.
1168    o pkg/streamice:
1169      - fix the restart test by writing/reading pickup_streamice files.
1170    o pkg/seaice:
1171      - refine checks for jfnk-related parameters
1172      - comment out if statement with SEAICEuseIMEX parameter as long as there
1173        is no IMEX code to avoid confusion and surprises
1174    
1175    checkpoint64u (2014/03/07)
1176    o verification/MLAdjust:
1177      - rename secondary test suffix:
1178         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
1179         0.leithD -> AhFlxF  + switch to flux-form
1180         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
1181         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
1182    o pkg/mom_vecinv:
1183      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
1184        to be before mom_calc_visc.F)
1185      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
1186      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
1187        this is simpler for the adjoint and for diagnostics.
1188    o model/src + pkg/momentum:
1189      - add input files for  2-D additional Western and Southern cell-edge wall
1190         (e.g., to add "thin-wall" where it is =1).
1191      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
1192        using 2nd hFacZ that is computed from initial (fix domain) hFac
1193      - known limitations of thin wall implementation: not yet coded for sigma
1194        coords; not working with CD-scheme neither.
1195    o pkg/seaice:
1196      - rename recently introduced parameters from (wrong name) AB to
1197        BDF (backward difference time discretisation)
1198      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
1199    o tools/adjoint_options:
1200      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
1201    
1202    checkpoint64t (2014/02/01)
1203    o pkg/ecco
1204      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
1205        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
1206      - replace hard-coded record number and period which only work for monthly
1207        with read-in runtime param that works for other periods (month,day,year)
1208    o pkg/thsice
1209      - corrected store directive fixes thsice adjoint gradient checks
1210    o genmake2 & testreport:
1211      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
1212        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
1213        Update testreport accordingly. No need to set "export OPENAD=true"
1214        in adjoint_options/adjoint_oad anymore (will be removed later).
1215    o pkg/shelfice:
1216      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
1217        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
1218        so that surface forcing applies to k=kSurf if using pkg/shelfice.
1219    o pkg/ctrl, pkg/grdchk, pkg/ecco:
1220      - Changes to make GENARR more modular (i.e. invisible if not used)
1221    o model/src/temp_integrate.F and salt_integrate.F
1222      - re-include store directives that were removed on Dec 27th.
1223    o model/src/external_forcing_surf.F
1224      - add storage directives for EmPmR and PmEpR to avoid recomputation of
1225        seaice_model in the adjoint that is problematic when seaice_model is
1226        turned off in the adjoint. The resolved issue dated back to July when
1227        EXTERNAL_FORCING_SURF call was moved.
1228        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
1229    o pkg/exf/exf_check.F
1230      - fix a small bug again (originally found by Wentao Liu, now found again)
1231      - streamline error output
1232    o pkg/streamice and aim_v23:
1233      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
1234        Apple's /usr/bin/cpp knows what to do:
1235        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
1236        Target: x86_64-apple-darwin13.0.0
1237    
1238    checkpoint64s (2014/01/05)
1239    o tools/adjoint_options:
1240      - switch to fastopt.net TAF server (instead of default fastopt.de) for
1241        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
1242    o model/src:
1243      - remove some unnecessary TAF storage directives in forward_step.F and
1244        in dynamics.F (note: not always removed by TAF, e.g., double storage
1245        of kappaRU,kappaRV in former version of dynamics.F).
1246    o model/src & pkg/ptracers:
1247      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
1248        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
1249        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
1250      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
1251      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
1252      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
1253    o useSingleCpuInput separates single-CPU input from single-CPU output;
1254        for now only implemented for in exf_interp_read.F
1255    o verification/advect_xy:
1256      - fix missing EXCH call in local version of ini_salt.F and update output.
1257    o momentum diagnostics:
1258      - fix which deltaT is used in Total-Tendency diagnostics.
1259      - fix typo in diagnostics for momentum tendency from AB.
1260    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
1261        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
1262    
1263    checkpoint64r (2013/12/08)
1264    o verification/*/results:
1265      - Update reference output of experiments that were passing with just 13 digits
1266         (make it easier to detect future changes in results)
1267    o model/src & pkg/ptracers:
1268      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
1269        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
1270        to inside ptracers_integrate.F ; remove ptracers_advection.F
1271    o coupling interface pkgs:
1272        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
1273      - change the config check to test the agreement of Ocean Depth
1274        with ATM land/sea mask (instead of ATM orography);
1275      - send to coupler the number of coupler time-steps to do for this run:
1276        this allows to check for consistency and don't need anymore to be
1277        specified in parameter file "data";
1278      in coupler:
1279      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
1280      - improve report to log-file of config setting (pass log-file unit to few S/R)
1281    o pkg/compon_communic:
1282      - add coupling send/receive for non-tiled integer vector;
1283      - add S/R to check and stop if any proc has an error (similar to
1284        eesupp/src/stop_if_error.F but single thread and across Comm_World).
1285    o pkg/exch2:
1286      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
1287        through list of all tiles my proc owns.
1288    o model/src:
1289      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
1290        from rTrans) to simplify dependencies (no need to store rTrans anymore in
1291        calling S/R); this affects AD results at machine truncation level:
1292        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
1293        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
1294    o tools/build_options:
1295      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
1296    o coupling interface pkgs:
1297        [compon_communic, atm_compon_interf & ocn_compon_interf]
1298      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
1299        to each S/R that needs it; remove un-used variables.
1300      - change component tile registration (cpl_register.F in both compon_interf
1301        and mitcomponent_tile_register.F) to pass the full list of tiles
1302        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
1303      - with pkg/exch2: adopt the same convention used for I/O to define mapping
1304        towards coupler global array (unless W2_useE2ioLayOut=F):
1305         a) can now use different tiling between atm & ocn comp.
1306         b) no needs to modify the run-Off map when changing tiling (was needed
1307            even if using the same tiling between atm & ocn).
1308         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
1309            full land tiles); not yet tested.
1310      - check for valid mapping from comp. tile to coupler global array
1311      - improve report of tile registration results to log file.
1312    o pkg/exch2:
1313      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
1314        tile-registration (CPL_REGISTER);
1315      - activate (un-comment) definition and setting of "W2_tileIndex" list to
1316        store the local bi,bj indices of each tile;
1317      - also print bi,bj in local report to log file;
1318      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
1319        Jun 2009 modif of pkg/exch2).
1320    o testing on baudelaire:
1321      - run 2 tests at a time: no significant slow down (since enough cpu) and
1322        get the full set of test done earlier
1323      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
1324    o model/src/thermodynamics.F and routines called from it:
1325      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
1326        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
1327        velocity (outp) by adding bolus velocity.
1328      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
1329        mass transport from velocity + lateral grid cell area
1330      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
1331      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
1332     in thermodynamics.F
1333      - remove k from thermodynamics.F and move it to temp_integrate.F
1334        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
1335        loop).
1336      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
1337        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
1338        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
1339        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
1340      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
1341        global_ocean.90x40x15, tutorial_global_oce_biogeo and
1342        tutorial_tracer_adjsens (+ TLM output).
1343    o tools/OAD_support and (verification/*/) code_oad:
1344      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
1345        module conversion ; remove unneeded CPP_EEOPTIONS.h.
1346      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
1347        version (closer to model/inc/CPP_OPTIONS.h).
1348    o model/src:
1349      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
1350        retired list of parameters (routine FREEZE has been replace by surface
1351        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
1352    o pkg/gmredi:
1353      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
1354        velocity (same scheme but affects machine truncation) for GM_AdvForm.
1355      - update output of FWD experiments: front_relax.bvp,
1356        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
1357    
1358    checkpoint64q (2013/11/17)
1359    o verification:
1360      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
1361        tutorial_global_oce_biogeo and global_ocean.90x40x15.
1362      - generate new output (growth & melt) for seaice_itd experiment after
1363        updating the input pickup_seaice files (previously wrong).
1364    o pkg/cost:
1365      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
1366        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
1367        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
1368          cannot be applied to var in common block).
1369        o allows to get results independent of tile-per-proc setting (if using
1370          slower GLOBAL_SUM_SEND_RECV option).
1371      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
1372        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
1373        forward gradients: update output).
1374      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
1375        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
1376    o pkg/mom_common:
1377      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
1378        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
1379        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
1380        ensure that all field value that are used are set.
1381    o tutorial_deep_convection (smag3d):
1382      - add missing scaling in mom_calc_smag_3d.F;
1383      - set smag3D_coeff in input.smag3d such that results do not change.
1384    o pkg/dic:
1385      - change dic_cost.F to compute cost on each tile first and then apply
1386        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
1387        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
1388      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
1389    o eesupp/src & pkg/mdsio:
1390      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
1391        (from pkg/mdsio) since they are no longer used for tape IO.
1392      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
1393        (+ keep a copy in pkg/atm_ocn_coupler).
1394    o verification/isomip:
1395      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
1396    o tools/build_options:
1397      - optfile linux_amd64_ifort11, fast (no ieee) case:
1398        to get a working restart for all experiments, add "-fp-model source"
1399        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
1400    
1401  checkpoint64p (2013/10/20)  checkpoint64p (2013/10/20)
1402  o pkg/autodiff:  o pkg/autodiff:
1403    - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO    - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO

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