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revision 1.1901 by jmc, Thu Jul 25 01:12:45 2013 UTC revision 1.2174 by jmc, Sun Jul 19 19:54:59 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 pkg/offline:
8      - change where Offline-Fields are loaded, from load_fields_driver.F to
9        directly within FORWARD_STEP, just after updating iter number and time;
10      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
11        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
12       These changes allow:
13        a) to recover exactly on-line results using deltaToffline=deltaTClock,
14        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
15        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
16        time-step, both with GM & KPP files and with recomputing these fields;
17        b) no needs to switch on staggerTimeStep anymore;
18        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
19      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
20    o pkg/offline:
21      - change (rarely used) offset-iteration parameter to an offset time (in s):
22        can easily recover previous offset-iter effect by setting offset-time
23        (offlineTimeOffset) to offset-iter x deltaToffline;
24      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
25        in KPP as part of surface buoyancy forcing) in offline run.
26      - fix ptracers KPP non-local term in the case where KPP is re-computed.
27    o OpenAD
28      - Adding preliminary ggl90 test to OpenAD verification.
29        Config. with ggl90 currently diverges after 64 time steps
30        so will need more work to become more stable
31      - Adding preliminary kpp test to OpenAD verification.
32        required small tweakes in kpp_routines.F
33      - Merge and update from Krishna Narayanan's contrib area:
34        * Add one variable for preliminary OpenAD DIVA
35        * Add replacement time-stepping for OpenAD DIVA
36        * genmake2 flag -diva (but only for OpenAD; preliminary)
37        * required modifs for OAD_support
38        successful preliminary test for tutorial_global_oce_biogeo/
39    o pkg/seaice:
40      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
41      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
42        delta with a smooth function in s/r seaice_calc_viscosity
43        (no effect on EVP)
44      - rename local suffix "sqr" into "sq" for more consistent variable names
45    o pkg/seaice:
46        add new parameter SEAICE_deltaMin that is used ***only***
47        for regularizing Delta (and nothing else, like the parameter
48        which is also used for all sorts of things SEAICE_EPS).
49        Defaults to SEAICE_EPS for backward compatibility only.
50    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
51        the wrong key by inialising it before use -> fixes a recomputation
52        problem but does not fix the gradient
53    o pkg/layers:
54      - move resetting of flux arrays to outside the iLa loop
55        (this caused layers_diapycnal to not work with more than one layer coord.)
56      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
57    o pkg/layers:
58      - remove from common block 3D layers fields (used to diagnose transport
59        in tracer coords) and declare them as local arrays in layers_calc.F
60    o pkg/seaice:
61      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
62        in lab_sea forward experiment (changes results -> updated)
63      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
64    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
65       computations; for SEAICE_VECTORIZE_LSR
66      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
67        sweep to the outside,
68      - remove store directives and add "CADJ loop sequential" directives
69        in analogy to model/src/solve_tridiagonal.F
70      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
71        boundaries to yield more readable code. This has also the charming side
72        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
73        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
74        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
75        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
76        an additional option)
77       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
78       but the adjoint gradients (which are affected by this change) still explode.
79    o coupler (atm & ocn _compon_interf):
80      - avoid using Exch2 IO mapping if not suitable.
81    
82    checkpoint65m (2015/06/15)
83    o pkg/layers:
84      - clean-up old parameters setting (from Sep 2012):
85        + remove old parameters setting from common block (declared locally);
86        + stop if any old parameter is mixed with new parameters;
87        + check for valid or consistent parameter setting (e.g., layers_name)
88      - check that layers_bounds for Pot.Density are in the right range;
89        this is supposed to catch un-updated setting after recently shifting
90        potential density field "prho" by -1000 (now in "sigma" scale).
91    o pkg/layers:
92      - Added missing call to layers_fill for keeping track of tottend in
93        pkg/diagnostics/diagnostics_fill_state.F
94    o pkg/layers:
95      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
96        of diapycnal fluxes
97    o pkg/layers:
98      - reverted changes to interpolation to previous treatment; there
99        was never actually a problem
100    o pkg/layers:
101      - fix interpolation of layers tracers in the presence of partial cells
102      - add lots of new functionality to compute water mass transformation
103        (enabled by CPP flag LAYERS_THERMODYNAMICS)
104      - add new calls from main code (diags_oceanic_surf_flux.F,
105        thermodynamics.F, impldiff.F) and gad to save the necessary fields
106        for layers_thermodynamics calculations
107    o pkg/ptracers:
108      - add capability of stepping a passive tracer forward without advection
109        by setting PTRACERS_advScheme to 0.
110    o pkg/diagnostics:
111      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
112    o pkg/layers:
113      - shift potential density field "prho" by -1000 for density layer averaging so
114        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
115        Note that density bin boundaries (layers_bounds in data.layers) have
116        to be set accordingly (i.e., shifted, in sigma scale).
117    o pkg/layers:
118      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
119      - fix calculation of layer non-weighted velocity and layer probability
120      - add diagnostics for pot.density used for layer averaging
121    o pkg/seaice:
122      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
123        positiveness, modify a few comments and improve variable names,
124      - the changed computation of deltaC affects most seaice-related
125        experiments at the truncation level.
126        seaice_itd.thermo is affected by far the most, with
127        only 7 digits of agreement remaining; update experiments.
128    
129    checkpoint65l (2015/05/04)
130    o pkg/shelfice:
131      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
132        factor drKp1 to zero where it is negative (ie. do not use
133        SHELFICEBoundaryLayer if hFacC>1)
134      - the same for factor drLoc in shelfice_forcing.F
135    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
136        with modules in ptracers, when using testreport option "-small_f"
137    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
138      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
139    o verification/testreport
140      - add new option -small_f
141        with this option testreport first makes the target small_f (*.f files)
142        before running make (all). This is useful for explicit inlining when
143        all sources need to be full available.
144    o pkg/exf/exf_interp.F:
145        remove previous changes related to reverse (decreasing) input grids latitude
146    
147    checkpoint65k (2015/04/01)
148    o pkg/ecco:
149        fix missing cosphi initialization; use eccoiter in place of optimcycle;
150        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
151        instead of active read/write
152    o pkg/ctrl:
153        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
154        instead of active read/write.
155    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
156        return if .NOT.useAUTODIFF
157    o pkg/seaice: add CPP brackets (cost function related).
158    o model/src:
159        add useAUTODIFF run time switch.
160    o pkg/exf/exf_interp.F:
161        add code to allow input grids with latitude starting in the north (i.e. when
162        j=1 corresponds to northern edge of field); modify global_with_exf to test
163        this feature.
164    o verification/testreport:
165      - replace "grep -A3" with POSIX conformal sed command, because there are
166        implementations of grep that cannot do contextual searches
167      - replace "cat -n" by "nl" (two occurrences), because not all implementations
168        of "cat" have the option "-n"
169    o model/src:
170        add new file gsw_teos10.F that contains 3 functions, more or less a copy
171        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
172        convert from conservative to potential temperature. For now they are not
173        called anywhere.
174    o pkg/ggl90: make "useIDEMIX" useful
175      - re-organize code in s/r ggl90_calc a little to move computations that
176        are different for idemix into separate loops (changes verification
177        experiment idemix at truncation level, 12 digits remain -> updated)
178      - requires 2 new 2D fields KappaM, verticalShear
179      - make hFacI and recip_hFacI local 3D variables that are passed to
180        s/r ggl90_idemix
181      - fix and improve some comments
182    
183    checkpoint65j (2015/02/25)
184    o pkg/openad
185      - synchronize seawater.F with version in model/src: replace routine
186        body of sw_temp by calling sw_ptmp and fix/add a few comments.
187    o pkg/mnc:
188      - change default value of pickup_read/write_mnc params to FALSE
189        (since few features are missing in reading MNC pickup files).
190    o model/src:
191      - change default (background) vertical diffusivity for salt to be the
192        temperature (background) vertical diffusivity.
193      - change background vertical diffusivity in vertical mixing pkgs ggl90,
194        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
195        This makes ptracers default diffusivity (that uses salt diffKr) more
196        consistent with vertical mixing schemes.
197    o verification/testreport:
198      - fix typo in "-pcls" option ;
199      - put temp files in /tmp (instead of in local dir)
200      - add option "-ncad" to use genmake2 new option "-nocat4ad"
201      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
202    o pkg/ggl90 (idemix code):
203      - apply few fixes ; add some missing "_d 0" ; update output of exp.
204        global_ocean.90x40x15.idemix
205    o OpenAD
206      - enable active file I/O and begin removal of work-around code
207        for OpenAD for handling control variables (memory vs. active files)
208      - new CPP options file OPENAD_OPTIONS.h
209      - revert to genarr2d gradient check for hs94.1x64x5
210      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
211      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
212    o tools/genmake2:
213      - add option for an alternative Makefile (from Martin) where multiple
214        source files are sent to TAF (instead of all in one file).
215    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
216      - code provided by Carsten Eden as an extension of ggl90
217      - so far the code is turned on within ggl90 by setting a CPP-flag at
218        compile time; a runtime flag implementation is not yet complete
219      - tested in new verification experiment global_ocean.90x40x15.idemix
220    o verification:
221      - reduce length of the AD test run by half for experiments
222        global_ocean.cs32x15 (std + thsice) and isomip
223      - enable active file I/O for OpenAD, adjust verifications accordingly
224      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
225    o verification/testreport:
226      - fix two non-POSIX sed statements so that there are no error messages
227        on Mac OS X
228      - replace hostname -s with hostname | sed 's/\..*$//'
229    o model/src/seawater.F:
230      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
231        (following the matlab code), which would have avoided the bug caught
232        by Matt (see below) in the first place
233    o pkg/shelfice:
234      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
235        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
236      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
237        ice-shelf case (i.e., within surface level).
238      - add config summary in shelfice_check.F
239      - remove global variable recip_SHELFICElatentHeat and replace by a local
240        variable recip_latentHeat
241      - introduce diagnostics for friction velocity uStar (in case of
242        SHELFICEuseGammaFrict)
243      - change verification experiment isomip.htd:
244        + start from pickup (as input_ad at nIter0=8640)
245        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
246        + test SHELFICEuseGammaFrict = .TRUE.
247        + test SHELFICEadvDiffHeatFlux = .TRUE.
248    o model/src:
249      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
250        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
251        update output of experiments global_with_exf.yearly and isomip (all 6).
252    o pkg/shelfice:
253      - change setting of kTopC to also be zero where there is no ice-shelf.
254      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
255        ice-shelf is.
256      - first attempt to get RealFreshWaterFlux effects: for now, only without
257        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
258    o pkg/seaice: add the option to prescribe a fixed thickness PDF
259      for thermodynamic calculations
260      - because of divisions of the type 7/7 not exactly equal to 1, this change
261        affects results of some verification experiments by up to 4 digits:
262        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
263        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
264        adjoint: lab_sea, lab_sea.noseaicedyn
265        -> updated
266    
267    checkpoint65i (2015/01/23)
268    o model/src:
269      - change units of frictionHeating field from W to W/m^2
270      - fix bug in frictional heating from stratospheric drag in
271        S/R ATM_PHYS_TENDENCY_APPLY_V
272      - with synchronous time-stepping: move resetting to zero of frictionHeating
273        field from load_fields_driver.F to thermodynamics.F ;
274      - add diagnostics for frictional heating.
275    o model/src & gmredi K3D:
276      - add frictionHeating field to pickup-files (for synchronous time-stepping)
277      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
278      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
279        and name in pickup file).
280      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
281    o model/src:
282      - move (from ini_forcing.F) initialisation of all arrays in header file
283        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
284        (since Nov 2012) with option selectAddFluid=1.
285    o pkg/shelfice:
286      - change units (+ document) of newly added field "shelfIceMassDynTendency"
287      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
288    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
289    o pkg/seaice: two new runtime parameters:
290      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
291        long overdue
292      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
293        parameterization of tensil stress for fast ice (does not do anything yet)
294    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
295        for LSR: move checking overlaps out of JFNK-if-block
296    o pkg/atm_phys:
297      - move copy of grid and dynamical fields out of atm_phys_driver.F into
298        new S/R ATM_PHYS_DYN2PHYS.
299      - fix level height for Linear Free-Surf case (to be consistent with
300        fixed-in-time pressure levels).
301    o pkg/mom_common (bottomdrag):
302      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
303        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
304        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
305    o pkg/shelfice (u/v_drag):
306      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
307      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
308        (now similar to shelfice_u_drag.F)
309      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
310        from mom_vecinv.F (similar to mom_fluxform calls).
311    o pkg/mom_common (bottomdrag):
312      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
313      - add options for alternative discretisation of velocity norm in quadratic
314        bottom drag: averaging of grid-cell-center KE to U.point and V.point
315        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
316        improves when averaging only the other component (e.g. vVel for U bottom
317        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
318      - add options (bottomVisc_pCell) to account for partial-cell in bottom
319        friction (no-slip BC) thus getting the true distance from the bottom;
320        off by default since this also reduces model stability (explicit bottom
321        friction). Changes produce different machine truncation with linear-drag
322        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
323        front_relax (bvp & mxl, 10 & 11 digits).
324    o model/src & mom pkgs:
325      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
326        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
327      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
328        just copy level Nr value to level Nr+1.
329    o doc:
330      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
331    o pkg/streamice:
332      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
333        SHELFICE.h: move array shelficemass to init_varia, initialise
334        from array shelficemassinit, which is set in init_fixed and
335        has option to be set from file; introduce array
336        shelficeMassDynTend array, set thru file in init_fixed
337      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
338        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
339        pkg/streamice
340      - shelfice_thermodynamics.F: call shelfice_step_icemass if
341        SHELFICEMassStepping = .true.
342      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
343    
344    checkpoint65h (2014/12/17)
345    o verification/global_ocean.90x40x15, global_ocean_ebm:
346      - update to generic controls.
347    o pkg/ctrl:
348      - ctrl_map_ini_genarr.F: test for igen>0
349      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
350      - move gentim2d part of ctrl_map_ini_genarr.F to
351        new separate routine : ctrl_map_ini_gentim2d.F
352      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
353        add time variable weights and cyclic controls (time mean,
354        seasonal cycle, etc) capabilities to gentim2d
355    o pkg/ecco:
356      - move reading of error, conversion to weights from
357        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
358    o global_oce_llc90, cs32:
359      - activte sbo.
360      - CTRL_SIZE.h : add maxCtrlProc.
361      - activate the new genctrl capabilities.
362      - update following reorganization of global_oce_input_fields.tar.gz  
363    o pkg/ctrl/ctrl_ad_diff.list:
364      - add missing ctrl_init_rec.f
365    o tools/OAD_support/keepOriginal:
366      - add ctrl_init_rec.F
367    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
368      - avoid recomputations of xx_gentim2d_dummy.
369    o momentum diagnostics:
370      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
371        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
372    o pkg/seaice/seaice_lsr.F:
373      - fix computation of BU/BV, make sure they are non-zero, only necessary
374        for cubed sphere exchanges and SEAICE_OLx/y>0.
375        This makes calling s/r fill_cs_corner_rl obsolete (removed).
376    o verification/global_ocean.cs32x15/input.seaice
377      - add test for strong implicit coupling and restricted addtive Schwarz
378        methods for LSR
379      - update results/output.seaice.txt
380    o verification/tutorial_global_oce_biogeo:
381      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
382        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
383        update output_adm,_oadm,_tlm.txt
384    o pkg/dic:
385      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
386      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
387        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
388    o verification/tutorial_global_oce_biogeo:
389      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
390        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
391        update output_adm,_oadm,_tlm.txt
392    o eesupp/src:
393      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
394        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
395    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
396      LSR (following Hutchings et al. 2004)
397      - introduce zetaZ as a global variable (requires adjustments in
398        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
399        in seaice_calc_viscosities.F
400      - new flag SEAICEuseStrImpCpl (default off)
401      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
402        momentum equations
403      - JFNK-solver (preconditioner) adjusted to allow using this method
404        (where it does not have any positive effect)
405    o pkg/seaice
406      - add overlap for restrictive additive Schwartz method also to LSR, but
407        turn it off by default (because it only seems to work for non-cubed
408        sphere/llc topologies)
409    o pkg/autodiff
410      - add extra exchanges in addummy_in_steppging also for mnc output
411    o pkg/seaice:
412      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
413        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
414    o pkg/obcs:
415      - add option to specify domain-connected piece Id along OB though files
416        (for now, only used to diagnose PhiVel; default =1 -> global correction)
417      - modify obcs_diag_balance.F to process each connected-part separately;
418        exclude OB where Id = 0 but keep the full divergence there (-> constant
419        Psi along this portion of OB and all inflow derived from grad(Phi))
420      - add example of OB-conect files in verification/so_box_biogeo/input.
421    o pkg/diagnostics:
422      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
423      a) use non zero matrix element across OB and solve for Phi 1 grid point
424         outside OB (i.e, where tracer OBCS are applied).
425      b) global imbalance of inFlow/outFlow across OB: instead of modifying
426         velocity across OB, spread it uniformly along the OB in the RHS.
427    
428    checkpoint65g (2014/11/19)
429    o pkg/diagnostcis:
430      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
431    o pkg/my82,pp81,kl10:
432      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
433        field diffKr as background diffusivity to set minimum diffusivity value.
434    o pkg/seaice:
435      - add new parameter SEAICEuseEVPrev (for revisited EVP by
436        Bouillon et al 2013)
437      - add SEAICE_evpAlpha/Beta to namelist
438      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
439        involve trivial re-ordering of divisions/multiplications that should not
440        have any effects, but ... they do change the results of lab_sea.hb87 so
441        that only 2 digits of agreement remain, in line with the general
442        instability/fragility of the evp-code. For now, I do not care and just
443        update the verification experiment
444    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
445      - remove xx_genarr2d_numsmooth etc
446      - use xx_genarr2d_preproc etc instead
447      - carry out smooth_correl2D at initialization stage rather than during
448        time stepping.
449      - get smoothOpNb from xx_gentim2d_preproc
450    o global_oce_cs32 :
451      - add test of generic ecco capabilities.
452    o pkg/exf/exf_getsurfacefluxes.F :
453      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
454    o pkg/ctrl,ecco :
455      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
456        is defined.
457    o pkg/seaice: add diagnostics for Delta (deformation parameter)
458    o model/src:
459      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
460        diffusivity (background) is specified but ignored.
461    o verification:
462      - in testreport, convert hostname to lower case for default output dir name
463    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
464    o pkg/dic: add modifications from Hajoon:
465      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
466      - light attenuation: add self-shading effect by climatological Chlorophyll
467        (read from file).
468    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
469        compiles when SEAICE_ALLOW_DYNAMICS is undefined
470    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
471        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
472        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
473        approach where CPP_OPTIONS.h includes an omnipotent
474        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
475    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
476        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
477    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
478        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
479        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
480    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
481      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
482      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
483      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
484      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
485    o pkg/ctrl,ecco,exf :
486      - remove variables associated with NON-generic costs,
487        unless ECCO_CTRL_DEPRECATED is defined.
488      - remove NON-generic NON-obcs controls,
489        unless ECCO_CTRL_DEPRECATED is defined.
490    o pkg/ctrl : added ctrl_local_params.h
491    o pkg/ecco : added ecco_local_params.h
492    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
493        experiments, which will progressively be removed once the
494        experiments are revised to use only generic controls/costs.
495    
496    checkpoint65f (2014/10/13)
497    o pkg/ctrl, ecco, seaice : minor changes in headers
498    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
499        cost function and control capabilities added since checkpoint65c.
500    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
501    o pkg/ecco: increase modularity and improve logic
502      - ecco_toolbox.F (new) : basic operations that are often used,
503        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
504        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
505      - cost_gencal.F (new) : determine filnames and records.
506      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
507      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
508        and exploit the above functions leading to more compact code.
509      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
510      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
511        using_ers, using_gfo, using_mdt is now only defined within gencost)
512    o pkg/ecco: extend generic cost capabilities
513      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
514        capabilities via gencost_preproc (+ _c,_i,_r related params),
515        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
516        gencost_outputlevel arguments to cost_generic
517      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
518        and active_read, making room for gencost_preproc to take effect.
519        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
520      - pkg/ecco/cost_generic.F :
521        compute and store misfit maks*(model-data) in localdif that is
522        then used in cost and for output, output misfit if outlev.GT.0
523      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
524        rather gencost_barfile for deciding whether to write barfile
525      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
526      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
527        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
528      - pkg/ecco/ecco_summary.F : report gencost variables
529      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
530    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
531    o pkg/ecco: internal re-organization
532      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
533        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
534        mv relevant variables definition from ecco_cost.h to ecco.h,
535        make sure gencost routines only include ecco.h)
536      - throughout : add missing CCP switches, rm unused variables,
537        and rm un-necessary CPP switches
538      - throughout gencost routines : replace modelstartdate with
539        gencost_startdate when needed
540      - cost_bp_read.F : use arguments, instead of common blocs
541        so that it can be used also by (new) cost_gencost_bpv4.F
542      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
543      - ecco_phys.F : compute etanFull
544      - ecco_readparms.F : rename using_topex as using_tpj, add
545        bpv4-grace to gencost list, initialize added parameters
546      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
547    
548    checkpoint65e (2014/09/28)
549    o pkg/obcs:
550      - replaced the just-added CPP options with run-time variables
551        (see pkg/obcs/OBCS_PARAMS.h for details)
552    o pkg/obcs:
553      - add additional CPP options for sponge boundary layers
554        (see pkg/obcs/OBCS_OPTIONS.h for details)
555    o pkg/atm_phys:
556      - implement simple (obliquity only, assuming circular planet orbit)
557        seasonal cycle for incoming insolation ; used when run-time parameter
558        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
559    o pkg/exf, pkg/ecco, pkg/ctrl:
560      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
561      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
562      - implement gentim2d for xx_tauu, xx_tauv
563    o pkg/ctrl, pkg/ecco :
564      - fix and complement the generic controls implementation
565    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
566        pkg/shelfice/shelfice_thermodynamics.F,
567        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
568        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
569      - add weight in CTRL_GET_GEN calls
570    o pkg/ctrl :
571      - ctrl_get_gen.F : add weight as input parameter, and apply
572        it directly rather than using smooth_correl2Dw (to be retired).
573      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
574    o pkg/ctrl :
575      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
576        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
577      - re-activate ctrl_summary (call in ctrl_init.F)
578    o pkg/ctrl/ctrl_cost_gen.F :
579      - fix CCP brackets, remove un-necessary myiter, mytime
580    o pkg/ecco, pkg/ctrl :
581      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
582      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
583      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
584      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
585    
586    checkpoint65d (2014/09/15)
587    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
588      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
589        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
590    o pkg/ctrl/ctrl_map_ini_genarr.F :
591      - remove compilation failure
592      - replace hard coded example
593      - use ctrl_map_ini_gen2D, 3D
594    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
595      - on/off switch based upon xx_genarr2d_weight,3d
596    o src/packages_init_variables.F :
597      - regroup pkg/estimation calls
598      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
599        (moved to ctrl_init_variables)
600    o cost/cost_init_varia.F :
601      - remove ecco_cost_init_varia
602        (moved to ecco_init_varia)
603    o ctrl/ctrl_init_variables.F :
604      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
605      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
606    o ctrl/ctrl_map_ini.F :
607      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
608        (moved to ctrl_init_variables)
609    o ctrl/ctrl_map_ini_ecco.F :
610      - remove ECCO_PHYS (mv to ecco_init_varia)
611      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
612    o ecco/ecco_ad_diff.list :
613      - add ecco_init_varia.f
614    o ecco/ecco_init_varia.F
615      - new routine
616    o pkg/streamice:
617      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
618        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
619      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
620    o pkg/generic_advdiff:
621      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
622    o pkg/exf:
623      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
624         xxg_precip capability
625      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
626    o pkg/ctrl:
627      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
628    o model/src/load_fields_driver.F :
629      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
630        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
631    o OpenAD verification experiments:
632      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
633        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
634        for now, only in pkgs used in OpenAD verification experiments.
635      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
636        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
637        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
638        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
639    o OpenAD verification tests:
640      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
641      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
642        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
643      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
644        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
645    o model/src & generic_advdiff:
646      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
647        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
648        dynamics requires valid tracer forcing only over tile interior but, for
649        some diagnostics, may need to extend it over 1 point in tile halo region.
650      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
651        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
652        setting in temp/salt/ptracer_integrate.F
653    o pkg/dic:
654      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
655        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
656        in gchem_forcing_sep.F
657    o pkg/autodiff & obcs:
658      - add storage of current OB values for U & V (was already done for T & S).
659    
660    checkpoint65c (2014/08/30)
661    o pkg/dic:
662      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
663        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
664        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
665    o verification:
666      - new experiment testing OBCS and DIC pkgs, using params & output from
667        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
668        passage: take OBCS from the last year of a 2 yrs simulation and initial
669        conditions from t=1.yr while keeping the same forcing.
670    o model/src:
671      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
672        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
673    o pkg/diagnostics (Stats-Diags):
674      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
675        a) refine region where stats are computed, excluding where arrhFac=0 ;
676        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
677        c) extend regional stats over the region edges (for U or V pt location).
678    o pkg/gchem:
679      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
680        pkg/dic is currently changing/updating ptracers values beyond the OB).
681    o verification (hs94):
682      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
683        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
684        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
685        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
686    o pkg/ptracers:
687      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
688        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
689      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
690        with AB-2 code (so that it get tested).
691    o model/src:
692      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
693        with AB-2 code (previously only available with AB-3 code).
694        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
695        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
696        there, by calling CYCLE_AB_TRACER).
697    o pkg/generic_advdiff:
698      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
699        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
700        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
701        S/R temp/salt/ptracers_integrate.F
702    o model/src & pkg/ptracers:
703      - remove common block variables gT,gS (in DYNVARS.h), except when
704         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
705      - remove common block variable gPtr.
706    o model/src & pkgs:
707      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
708         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
709         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
710         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
711      + change accordingly all calling S/R.
712      - use local temperature/salinity/ptracer tendency array (without bi,bj)
713        in S/R temp/salt/ptracers_integrate.F
714    o pkg/seaice:
715      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
716        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
717      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
718        in seaice_lsr
719      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
720        in s/r seaice_lsr_calc_coeffs
721    o pkg/mdsio:
722      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
723        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
724        too long (e.g., > MAX_LEN_FNAM/2 )
725    
726    checkpoint65b (2014/08/12)
727    o pkg/matrix:
728      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
729    o model/src:
730      - fix initialisation of geothermalFile; compile geothermal-flux code in
731        natl_box verification experiment.
732    o model/src & pkg/down_slope:
733      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
734      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
735        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
736        results at machine truncation level: update output of experiments
737        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
738    o pkg/diagnostics (Stats-Diags):
739      - do not cumulate the full volume when DIAGNOSTICS_FILL is
740        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
741        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
742        times (but Min,Max and StD are still wrong).
743    o model/src:
744      - add geothermal flux forcing: read in ini_forcing.F as time-constant
745        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
746    o model/src:
747      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
748        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
749        arrays are already updated while adjustments (filters, conv.adjustment) are
750        still applied later, in S/R TRACERS_CORRECTION_STEP.
751    o model/src:
752      - store in common bloc array "rhoInSitu" the virtual potential temperature
753        anomaly that is used to compute geopotential: this make the atmos code
754        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
755    o pkg/seaice/seaice_lsr.F
756      - rename integer variable ilcall to ipass (that's what it is called
757        in the residual diagnostics
758      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
759        default) for improved non-linear convergence of the first few steps
760      - adjust a few comments and add new ones to explain some of the store
761        directives
762    o pkg/generic_advdiff (& ptracers):
763      - re-work the code to check for valid advection scheme and for minimum
764        size of overlap (now stored in local common bloc in gad_advscheme.F)
765    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
766      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
767      - add an auxilliary variable "bet" and fix store directives and keys in
768        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
769        less exact gradients in my tests); but there are still
770        recomputation warning (although gradients are sort of OK), when
771        SEAICE_LSR_VECTORIZE is not defined, so this flag and
772        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
773      - update verification experiments lab_sea.
774      - change some comments in S/R seaice_calc_viscosities
775    o model/src:
776      - if staggerTimeStep=T, always apply exchange to velocity field in
777        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
778        (independent of using multi-dim advection or not); no effect on FWD run
779        but affects AD results (at machine truncation level): update output of
780        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
781        and isomip (oad: 12.d).
782    o pkg/generic_advdiff:
783      - stop if doAB_onGtGs is set to FALSE but ignored
784      - refine warning related to stability of tracer time-stepping
785        regarding internal wave dynamics.
786      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
787        on staggerTimeStep & implicitIntGravWave (will now get a warning
788        if potentially unstable).
789    o pkg/kl10:
790      - add new pkg "kl10" for mixing due to internal wave breaking, from
791        http://www.sciencedirect.com/science/article/pii/S1463500310000144
792        (contribution from Jody Klymak), tested in verification experiment
793        verification/internal_wave/input.kl10/
794    o isomip experiment:
795      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
796        (input.htd) and update the output.
797    o cd_code experiments:
798      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
799        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
800        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
801        update the corresponding output.
802    o pkg/seaice:
803      - reduce the number of include files and store directives in
804        S/R seaice_lsr_tridiagu/v
805      - change the order of loops in one case in S/R seaice_lsr_tridiagv
806        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
807        get rid off one store directive (a TAF bug?)
808      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
809        S/R seaice_lsr_tridiagv to change the loop range for consistency
810      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
811      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
812        S/R seaice_lsr_tridiagu/v (requires update of
813        offline_exf_seaice/input.dyn_jfnk)
814    
815    checkpoint65a (2014/07/27)
816    o model/src:
817      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
818        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
819        (topo in p-coords, ice-shelf in z-coords); update output of experiments
820        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
821    o model/src:
822      - collect momentum forcing tendency into local 2-D array (passed as argument
823        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
824        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
825        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
826      - collect T & S forcing tendency into local 2-D array (passed as argument to
827        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
828        affects results at machine truncation level (e.g., ocean: if using
829        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
830        correction due to vertical advection).
831      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
832        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
833        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
834        obcs_ctrl (ad & fwd grd @ 12 & 7).
835    o pkg/ptracers & diagnostics:
836      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
837        title (to avoid some unexpected truncation); sort out ptracers diags units.
838      - collect ptracer forcing tendency into local 2-D array (passed as argument
839        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
840    
841    checkpoint65 (2014/07/18)
842    o pkg/fizhi:
843      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
844        affects results at machine truncation level. Update output of experiments
845        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
846    o pkg/seaice: more clean up
847      - rename TAF common block tapes to be more consistent and remove
848        unnecessary duplicates
849      - add store directives to remove more recomputations, but use smaller
850        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
851        The idea behind this flag is to reduce the memory footprint when the
852        adjoint of the LSR is not required. As of now, defining the flag
853        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
854        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
855        For experiment offline_exf_seaice, this means on a linux box with gfortran
856        nearly a factor of 10 (but keep in mind there is mostly seaice code in
857        this experiment):
858        > size mitgcmuv_ad
859        text    data        bss     dec        hex
860        5100659 1216  220458952  225560827  d71c8fb
861        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
862        but only a moderate increase of 36% for global_ocean.cs32x15:
863        text    data        bss     dec        hex
864        6695027 1648 1014578664 1021275339 3cdf6ccb
865        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
866      - note: there are still recomputations in global_ocean.cs32x15 and
867        offline_exf_seaice and the gradient agreement changes (gets a
868        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
869      - in general, the AD gradients still are wrong
870    o OpenAD
871      - clean up code_oad/ directories somewhat by moving files
872        dontCompile, dontTransform, keepOriginal to OAD_support/
873    o model/src:
874      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
875        (not currently tested): add dissipation terms before NLFS rescaling of
876        tendencies (previously done after).
877    o pkg/diagnostics:
878      - write stats-diags in ascii file with more digits (same as in monitor).
879    o pkg/down_slope:
880      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
881        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
882    o model/src:
883      - new file "apply_forcing.F" containing all the code previously in
884        external_forcing.F, but with new argument list: pass, as new argument,
885        the current level tendency array to update (instead of a direct update
886        of the common bloc array). Change the corresponding calls.
887      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
888        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
889    o pkg/seaice/seaice_lsr, a little bit of clean up
890      - rearrange some code blocks, so that now all calculations for
891        setting up the right-hand-sides done within one single block
892        (I find that easier to read and understand)
893      - rearrange freedrift-code to reduce the number of ifdefs
894      - adjust some indentations and comments
895    
896    checkpoint64z (2014/07/10)
897    o model/src and several pkgs:
898      - change argument list of all S/R called from external_forcing.F and
899        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
900        to pass, as argument, the current level tendency array to update
901        (instead of a direct update of the common bloc array).
902      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
903      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
904    o pkg/seaice/seaice_lsr.F
905      - always initialize local arrays in seaice_lsr_tridiagu/v
906      - add more local tapes to seaice_lsr_tridiagu/v
907      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
908        keep it in bi/bj loop; this seems to be essential
909      - gradients are still wrong but only by 4-7 orders of magnitude
910        instead of 15 orders of magnitude, lab_sea improves a little
911    o pkg/seaice
912      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
913        generates unnecessary code in seaice_lsr_ad
914      - add more store directives in seaice_lsr to avoid unnecessary code
915        in seaice_lsr_ad
916      - exclude some residual computations in seaice_lsr when
917        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
918        in seaice_lsr_ad
919      - add more storing, a new tape (model/src/the_main_loop.F) and
920        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
921        and klockey should be checked by a specialist)
922      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
923        and update lab_sea after previous changes in pkg/seaice below
924    o pkg/autodiff:
925      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
926        viscFacInAd : run time parameters allowing for adjoint switches
927        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
928    o pkg/ecco:
929      - introduce cost_gencost_boxmean.F that computes a box mean
930        temperature (for use in adjoint sensitivity studies).
931    o model/src/set_defaults.F : initialize viscFacAdj to 1.
932    o pkg/mom_common/mom_calc_visc.F:
933      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
934    o pkg/seaice/seaice_summary.F:
935      - statement for SEAICEadjMODE now in autodiff_readparms.F
936    o pkg/seaice:
937      - remove some store directives and add new ones in an effort to get
938        finally rid off the recomputation warnings. This is successful
939        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
940        defined (i.e. no extensive recomputation warnings left), but there
941        are still too many recomputations on the solver iteration level
942      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
943      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
944        SEAICE_SIZE.h
945      - add a store directive in S/R seaice_calc_viscosities
946    o pkg/seaice (ITD code):
947      - fix definition of Hlimit for multi-threaded case
948      - use double precision arithmetic to compute Hlimit: this affects results;
949        update output of experiment seaice_itd.
950    o replace content of verification/seaice_itd
951      - instead of a 1D column use the configuration of offline_exf_seaice
952        to test the ice thickness distribution code with ridging
953      - this is a first shot at this experiment
954      - change of some defaults of ridging parameters SEAICEhStar (from
955        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
956        and lot of new comments.
957    
958    checkpoint64y (2014/06/20)
959    o pkg/seaice/seaice_reg_ridge.F:
960      - modify the regularization of very small volumes of ice; only check
961        total volume HEFF, and do not apply correction to individual ice
962        classes because that leads to funny patterns in the heat and fw-fluxes
963        into the ocean. Adjust seaice_itd/results/output.txt
964      - replace nITD by SEAICE_multDim in loop-ranges
965    o pkg/exf:
966      - add code to process the case field period = -12. with UV interpolation.
967      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
968        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
969    o verification/global_with_exf:
970      - switch all fields period to -12. (was previously untested) in input/data.exf
971        (but keep secondary test ".yearly" unchanged); update the reference output.
972    o pkg/cal:
973      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
974    o pkg/exf:
975      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
976        to replace logical switch "exf_verbose"
977      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
978    o pkg/sbo:
979      - update from Katherine Quinn: evaluate mass directly from density and SSH
980        (budget using Finite Volume method) instead of from bottom pressure.
981      - allow testreport to collect few selected SBO output ; tested in exp.
982        global_ocean.90x40x15 (after updating the results, to include SBO output).
983      - fix some multi-threading issues (in output part).
984    o model/src & most packages:
985      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
986      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
987        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
988        "data.{pkg}" exist ; and leave the S/R (return) just after.
989      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
990        + call LAND_READPARMS from packages_readparms.F
991    o pkg/seaice:
992      - remove code that resets useThSice in S/R seaice_readparms and
993        replace it by a warning in S/R seaice_check
994      - remove parameter MULTDIM, replace with nITD and runtime
995        parameter SEAICE_multDim (still hard-wired to nITD if
996        SEAICE_ITD is defined)
997    
998    checkpoint64x (2014/05/24)
999    o verification/lab_sea:
1000      - update adjoint and TLM output following changes to pkg/salt_plume
1001      - un-do the update after putting back local recip_Cp in few places.
1002    o pkg/salt_plume: modifications by An Nguyen:
1003      - add capability to do brine rejection (salt-plume) as function of
1004        volume+tracers (instead of only salinity tracer).
1005      - conserve volume by exchanging volume from each kLev to above to
1006        accommodate in-coming brine volume
1007      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
1008      - switch KPP surf buoyancy due to brine forcing to 3-d
1009        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
1010      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
1011      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
1012        in East/West Arctic.
1013    o pkg/sbo:
1014      - incorporate modifications from Katherine Quinn to enable the use of sbo
1015        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
1016        output for future testreport verification (unfinished).
1017    o pkg/atm_phys:
1018      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
1019        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
1020        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
1021    o pkg/seaice
1022      seaice_calc_ice_strength.F: modify expression to avoid divisions
1023        (affects truncation)
1024      seaice_do_ridging.F: clean up the insectarium
1025      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
1026      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
1027      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
1028      - add some debugging information and error messages (warnings)
1029    o model/src: modifications relatd to atmosphere p*:
1030      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
1031      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
1032        of vertical profile tRef in geopotential background and anomaly.
1033      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
1034        and pkg/atm_phys.
1035      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
1036        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
1037    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
1038    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
1039        not used right now, but can be used in BGC packages to fix conservation.
1040    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
1041        other packages too.
1042    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
1043        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
1044    o model/src:
1045      - since we have several heat capacity (even in model/src), define "recip_Cp"
1046        as local variable (no longer in common block) to avoid any confusion.
1047      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
1048    o pkg/exf:
1049      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
1050        air density as function of air Temp, Humidity and atm pressure.
1051    
1052    checkpoint64w (2014/05/02)
1053    o verification:
1054      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
1055        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
1056        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
1057        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
1058        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
1059    o model/src: for atmosphere in p* coords:
1060      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
1061      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
1062        but not yet activated.
1063    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
1064      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
1065      - this changes the results (but not for any verification experiment, because
1066        none tests this), but avoids having an extra field in the restart files
1067    o pkg/seaice: remove global variable TICE (not needed)
1068      - replace by TICES or local variable where necessary (cost_seaice_test,
1069        seaice_diagnostics_state)
1070      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
1071      - use specific read/write routines for reading and writing individual leves
1072        of a multilevel field
1073    o pkg/ctrl & model/inc:
1074      - move additional anomaly fields of control vars (related to options:
1075         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
1076        from DYNVARS.h into new header file: CTRL_FIELDS.h
1077    o pkg/seaice: some small modifications to the ridging code
1078      - make fw2ObyRidge a global variable and add the freshwater flux to
1079        seaice_growth
1080      - pass actual thickness from seaice_prepare_ridging, so that it is
1081        computed only in one place and compute it in the same way as in
1082        seaice_growth
1083      - initialise more fields in seaice_do_ridging that where cause floating
1084        point exceptions over land
1085    o pkg/seaice: preparations for ridging code and first real ridging code
1086      - move most of "PART 1" of S/R seaice_growth into a new and separate
1087        S/R seaice_reg_ridge that will both regularize the state variable after
1088        advection call the actual ridging routine;
1089      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
1090        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
1091      - remove ridging code from seaice_advdiff
1092      - clean up remaining part 1 of seaice_growth in an attempt to make it
1093        more readable (this is probably subjective)
1094      - call seaice_itd_redist once in the initialisation phase to have the initial
1095        conditions in the correct category
1096      - finally: add new ridging routine for ITD code
1097    
1098    checkpoint64v (2014/04/11)
1099    o pkg/ecco:
1100      - add runtime parameters mdt[start,end]date[1,2]
1101      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
1102    o pkg/seaice:
1103      - make deltaC a global variable, so that it can be used in ridging code
1104      - first step towards ridging: introduce new routines that compute
1105        ice strength based on ridging parameters
1106      - add diagnostic for HSNOWITD
1107      - add opnWtrFrac as a global variable (required for ridging scheme)
1108    o pkg/salt_plume + pkg/seaice/seaice_growth.F
1109      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
1110        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
1111    o verification/hs94.1x64x5:
1112      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
1113      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
1114    o autodiff:
1115      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
1116        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
1117        For now, only in pkgs used in verification/hs94.1x64x5.
1118      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
1119        which are specific to TAF/TAMC).
1120      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
1121        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
1122        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
1123      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
1124        building mitgcmuv_ad (make adAll).
1125    o pkg/ecco:
1126      - cost_gencost_seaicev4.F:
1127         reformulate proxy cost as function of sst and local param SEAICE_freeze
1128         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
1129      - add stop statement if old names siv4-[sst,vol] are used
1130      - add snapshots + cost reports for atmospheric longwave
1131      - remove factor 0.1 in front of wtau[u,v]
1132      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
1133         ALLOW_TMI_SST_COST_CONTRIBUTION
1134    o pkg/atm_phys:
1135      - add some diagnostics for Short-wave and for convection S/R.
1136    o pkg/seaice/seaice_growth:
1137      - fix a bug in the lateral melt parameterization for SEAICE_ITD
1138        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
1139      - rearrange loop order for better vector code in the same code block
1140      - rewrite the floeDiameter formula to have fewer divisions
1141      -  (miraculously) none of this changes the results of seaice_itd
1142    o pkg/smooth:
1143      - move param smooth2Ddiffnbt to pkg/ecco
1144    o pkg/salt_plume:
1145      - salt_plume_frac.F:
1146         clean up local param names
1147         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
1148    o pkg/rw:
1149      - add RS version of S/R READ_MFLDS_LEV.
1150    o pkg/streamice:
1151      - fix the restart test by writing/reading pickup_streamice files.
1152    o pkg/seaice:
1153      - refine checks for jfnk-related parameters
1154      - comment out if statement with SEAICEuseIMEX parameter as long as there
1155        is no IMEX code to avoid confusion and surprises
1156    
1157    checkpoint64u (2014/03/07)
1158    o verification/MLAdjust:
1159      - rename secondary test suffix:
1160         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
1161         0.leithD -> AhFlxF  + switch to flux-form
1162         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
1163         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
1164    o pkg/mom_vecinv:
1165      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
1166        to be before mom_calc_visc.F)
1167      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
1168      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
1169        this is simpler for the adjoint and for diagnostics.
1170    o model/src + pkg/momentum:
1171      - add input files for  2-D additional Western and Southern cell-edge wall
1172         (e.g., to add "thin-wall" where it is =1).
1173      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
1174        using 2nd hFacZ that is computed from initial (fix domain) hFac
1175      - known limitations of thin wall implementation: not yet coded for sigma
1176        coords; not working with CD-scheme neither.
1177    o pkg/seaice:
1178      - rename recently introduced parameters from (wrong name) AB to
1179        BDF (backward difference time discretisation)
1180      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
1181    o tools/adjoint_options:
1182      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
1183    
1184    checkpoint64t (2014/02/01)
1185    o pkg/ecco
1186      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
1187        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
1188      - replace hard-coded record number and period which only work for monthly
1189        with read-in runtime param that works for other periods (month,day,year)
1190    o pkg/thsice
1191      - corrected store directive fixes thsice adjoint gradient checks
1192    o genmake2 & testreport:
1193      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
1194        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
1195        Update testreport accordingly. No need to set "export OPENAD=true"
1196        in adjoint_options/adjoint_oad anymore (will be removed later).
1197    o pkg/shelfice:
1198      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
1199        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
1200        so that surface forcing applies to k=kSurf if using pkg/shelfice.
1201    o pkg/ctrl, pkg/grdchk, pkg/ecco:
1202      - Changes to make GENARR more modular (i.e. invisible if not used)
1203    o model/src/temp_integrate.F and salt_integrate.F
1204      - re-include store directives that were removed on Dec 27th.
1205    o model/src/external_forcing_surf.F
1206      - add storage directives for EmPmR and PmEpR to avoid recomputation of
1207        seaice_model in the adjoint that is problematic when seaice_model is
1208        turned off in the adjoint. The resolved issue dated back to July when
1209        EXTERNAL_FORCING_SURF call was moved.
1210        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
1211    o pkg/exf/exf_check.F
1212      - fix a small bug again (originally found by Wentao Liu, now found again)
1213      - streamline error output
1214    o pkg/streamice and aim_v23:
1215      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
1216        Apple's /usr/bin/cpp knows what to do:
1217        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
1218        Target: x86_64-apple-darwin13.0.0
1219    
1220    checkpoint64s (2014/01/05)
1221    o tools/adjoint_options:
1222      - switch to fastopt.net TAF server (instead of default fastopt.de) for
1223        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
1224    o model/src:
1225      - remove some unnecessary TAF storage directives in forward_step.F and
1226        in dynamics.F (note: not always removed by TAF, e.g., double storage
1227        of kappaRU,kappaRV in former version of dynamics.F).
1228    o model/src & pkg/ptracers:
1229      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
1230        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
1231        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
1232      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
1233      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
1234      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
1235    o useSingleCpuInput separates single-CPU input from single-CPU output;
1236        for now only implemented for in exf_interp_read.F
1237    o verification/advect_xy:
1238      - fix missing EXCH call in local version of ini_salt.F and update output.
1239    o momentum diagnostics:
1240      - fix which deltaT is used in Total-Tendency diagnostics.
1241      - fix typo in diagnostics for momentum tendency from AB.
1242    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
1243        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
1244    
1245    checkpoint64r (2013/12/08)
1246    o verification/*/results:
1247      - Update reference output of experiments that were passing with just 13 digits
1248         (make it easier to detect future changes in results)
1249    o model/src & pkg/ptracers:
1250      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
1251        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
1252        to inside ptracers_integrate.F ; remove ptracers_advection.F
1253    o coupling interface pkgs:
1254        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
1255      - change the config check to test the agreement of Ocean Depth
1256        with ATM land/sea mask (instead of ATM orography);
1257      - send to coupler the number of coupler time-steps to do for this run:
1258        this allows to check for consistency and don't need anymore to be
1259        specified in parameter file "data";
1260      in coupler:
1261      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
1262      - improve report to log-file of config setting (pass log-file unit to few S/R)
1263    o pkg/compon_communic:
1264      - add coupling send/receive for non-tiled integer vector;
1265      - add S/R to check and stop if any proc has an error (similar to
1266        eesupp/src/stop_if_error.F but single thread and across Comm_World).
1267    o pkg/exch2:
1268      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
1269        through list of all tiles my proc owns.
1270    o model/src:
1271      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
1272        from rTrans) to simplify dependencies (no need to store rTrans anymore in
1273        calling S/R); this affects AD results at machine truncation level:
1274        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
1275        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
1276    o tools/build_options:
1277      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
1278    o coupling interface pkgs:
1279        [compon_communic, atm_compon_interf & ocn_compon_interf]
1280      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
1281        to each S/R that needs it; remove un-used variables.
1282      - change component tile registration (cpl_register.F in both compon_interf
1283        and mitcomponent_tile_register.F) to pass the full list of tiles
1284        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
1285      - with pkg/exch2: adopt the same convention used for I/O to define mapping
1286        towards coupler global array (unless W2_useE2ioLayOut=F):
1287         a) can now use different tiling between atm & ocn comp.
1288         b) no needs to modify the run-Off map when changing tiling (was needed
1289            even if using the same tiling between atm & ocn).
1290         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
1291            full land tiles); not yet tested.
1292      - check for valid mapping from comp. tile to coupler global array
1293      - improve report of tile registration results to log file.
1294    o pkg/exch2:
1295      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
1296        tile-registration (CPL_REGISTER);
1297      - activate (un-comment) definition and setting of "W2_tileIndex" list to
1298        store the local bi,bj indices of each tile;
1299      - also print bi,bj in local report to log file;
1300      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
1301        Jun 2009 modif of pkg/exch2).
1302    o testing on baudelaire:
1303      - run 2 tests at a time: no significant slow down (since enough cpu) and
1304        get the full set of test done earlier
1305      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
1306    o model/src/thermodynamics.F and routines called from it:
1307      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
1308        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
1309        velocity (outp) by adding bolus velocity.
1310      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
1311        mass transport from velocity + lateral grid cell area
1312      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
1313      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
1314     in thermodynamics.F
1315      - remove k from thermodynamics.F and move it to temp_integrate.F
1316        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
1317        loop).
1318      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
1319        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
1320        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
1321        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
1322      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
1323        global_ocean.90x40x15, tutorial_global_oce_biogeo and
1324        tutorial_tracer_adjsens (+ TLM output).
1325    o tools/OAD_support and (verification/*/) code_oad:
1326      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
1327        module conversion ; remove unneeded CPP_EEOPTIONS.h.
1328      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
1329        version (closer to model/inc/CPP_OPTIONS.h).
1330    o model/src:
1331      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
1332        retired list of parameters (routine FREEZE has been replace by surface
1333        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
1334    o pkg/gmredi:
1335      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
1336        velocity (same scheme but affects machine truncation) for GM_AdvForm.
1337      - update output of FWD experiments: front_relax.bvp,
1338        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
1339    
1340    checkpoint64q (2013/11/17)
1341    o verification:
1342      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
1343        tutorial_global_oce_biogeo and global_ocean.90x40x15.
1344      - generate new output (growth & melt) for seaice_itd experiment after
1345        updating the input pickup_seaice files (previously wrong).
1346    o pkg/cost:
1347      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
1348        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
1349        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
1350          cannot be applied to var in common block).
1351        o allows to get results independent of tile-per-proc setting (if using
1352          slower GLOBAL_SUM_SEND_RECV option).
1353      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
1354        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
1355        forward gradients: update output).
1356      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
1357        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
1358    o pkg/mom_common:
1359      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
1360        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
1361        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
1362        ensure that all field value that are used are set.
1363    o tutorial_deep_convection (smag3d):
1364      - add missing scaling in mom_calc_smag_3d.F;
1365      - set smag3D_coeff in input.smag3d such that results do not change.
1366    o pkg/dic:
1367      - change dic_cost.F to compute cost on each tile first and then apply
1368        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
1369        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
1370      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
1371    o eesupp/src & pkg/mdsio:
1372      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
1373        (from pkg/mdsio) since they are no longer used for tape IO.
1374      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
1375        (+ keep a copy in pkg/atm_ocn_coupler).
1376    o verification/isomip:
1377      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
1378    o tools/build_options:
1379      - optfile linux_amd64_ifort11, fast (no ieee) case:
1380        to get a working restart for all experiments, add "-fp-model source"
1381        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
1382    
1383    checkpoint64p (2013/10/20)
1384    o pkg/autodiff:
1385      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
1386        criteria, return to simple (default) tape IO format.
1387    o pkg/mdsio (+ eesupp/src):
1388      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
1389        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
1390      - fix globalFile and singleCpuIO options using simpler global mapping.
1391      - new pairs of scatter/gather vector S/R (one for each type, generated from
1392        template) corresponding to simpler global mapping.
1393      - adread_write.F: switch to new S/R (but leave old calls commented) and write
1394        to globalFile when parameter globalFiles is set to True.
1395      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
1396    o pkg/autodiff:
1397      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
1398        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
1399        missing, just add a STOP if array type do not match.
1400    o pkg/exf:
1401      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
1402         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
1403         and rename array obsSIce to exf_iceFraction.
1404    o tutorial_deep_convection:
1405      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
1406        for now all in this exp. code dir.
1407      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
1408        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
1409    o eesupp/src:
1410      - added SINGLE_DISK_IO option because reading of parameter files on
1411        very large number of processors did not work with existing set-up
1412    
1413    checkpoint64o (2013/09/25)
1414    o pkg/atm_phys & atm_compon_interf:
1415      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
1416    o tools/build_options:
1417      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
1418        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
1419        remove CPP setting (was identical to genmake2 default).
1420    o pkg/gmredi & model/src: Some updating and work done on the residual model.
1421      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
1422      - fixed up the calculation of the eddy stress and how it is added to the
1423        external forcing via taueddy_external_forcing.F
1424      - at the moment, it is very experimental and only works with the variable eddy
1425        diffusivity calculated in gmredi_k3d.F
1426    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
1427        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
1428    o testreport (& tools/do_tst_2+2):
1429      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
1430    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
1431      - remove CPP='cpp -traditional -P' (this is genmake2 default)
1432      - add switch (for big setups) to use 'medium' memory-model (but leave it
1433        commented out for now). Note: needed with FC 19 to compile big setups.
1434    o pkg/atm_compon_interf:
1435      - regroup per field origin (model & pkgs) the coupling storage routines
1436         (which accumalate in time each coupling field)
1437      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
1438        update accordingly + simplify aim_do_physics.F
1439    
1440    checkpoint64n (2013/08/26)
1441    o pkg/bbl:
1442      - update formulation to reduce dispersion of tracer properties in bbl
1443      - replaced horizontal and vertical transport parameters with velocities
1444      - changes results for verification/global_with_exf.yearly
1445    o verification/halfpipe_streamice:
1446      - change to matrix construction; update both Fwd & AD output.
1447    o verification/tutorial_tracer_adjsens:
1448      - OpenAD test: switch to vector-invariant momentum since fluxform with
1449        rStar causes problems with OpenAD; update output.
1450    o tools:
1451      - genmake2: define a common prefix for all temp-file names ; move them
1452        to local /tmp disk (but would be easy to move them back);
1453      - xmakedepend: apply the same switch for temp-files.
1454    o pkg/offline:
1455      - changes for use with rStar (NLFS): assume that we continue to provide
1456        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
1457        output files) and apply r* scaling at each time-step (function of the time
1458        varying Eta field); use normal pickup files (needed for restart with NLFS).
1459    o adjoint with OpenAD:
1460      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
1461        package openad.  This package has to be compiled for all runs with OpenAD
1462        instead of specifying code_oad_all as a modification directory.
1463      - link the fortran templates from tools/OAD_support to the build directory
1464        for preprocessing to avoid conflicts between different setups compiled
1465        simultaneously and simplify cleanup.
1466    o pkg/exf:
1467      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
1468        main model or other pkgs are exchanged in EXF_MAPFIELDS).
1469    o model/src:
1470      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
1471        (similar to do_fields_blocking_exchanges.F).
1472    o tools/genmake2:
1473      - remove TAF output src code just before calling staf (when not doing a fresh
1474        built, will stop if things go wrong with staf).
1475      - fix target "adobj" (left from TAF version-2 transition)
1476    o pkg/diagnostics:
1477      - add a parameter to track the status of pkg/diagnostics activation;
1478        this replace/extend the use of logical param "settingDiags" (to check
1479        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
1480        New S/R to print error message and stop when pkgStatus is not right.
1481      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
1482    
1483    checkpoint64m (2013/08/13)
1484    o model/inc:
1485      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
1486        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
1487    o pkg/kpp & aim_v23:
1488      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1489    o pkg/seaice:
1490      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
1491        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
1492      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1493    o eesupp/src:
1494      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
1495        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
1496    o switch to TAF version-2:
1497      - add flow directives to "freeze" naming convention for ad-routines that
1498        are used in I/O routines of adjoint state and associated common blocks
1499        that are used in adcommon.h (backward compatible with version-1)
1500      - update all ad-optfiles (in tools/adjoint_options + few local to some
1501        verification exp) to switch to latest TAF version (currently 2.5.5);
1502        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
1503        out except for diva).
1504      - the major change with TAF version-2 is that both the differentiated
1505        routines and the forward routines (new) are returned as part of the TAF
1506        output source code. Update genmake2 accordingly.
1507      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
1508        with version-2 when compared to TLM or FWD gradient); other experiments
1509        output show minor changes (machine truncation level); update the few AD &
1510        TLM output with 12 matching digits only (some prior to version-2 switch).
1511    
1512    checkpoint64l (2013/08/05)
1513    o model/src:
1514      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
1515      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
1516        when using TAF but only if using OpenAD.
1517    o pkg/mom_common+fluxform+vecinv:
1518      - always set horiz. viscosity arrays to background value before calling
1519        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
1520        only when using variable horiz. viscosity (useVariableVisc=T);
1521      - simplify mom_vecinv.F (only 1 block for momViscosity).
1522    o pkg/mom_common: variable horiz. viscosity in NH code
1523      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
1524        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
1525      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
1526        useBiharmonicVisc & useVariableVisc.
1527      - fix old bug (already in 1rst implementation of variable horizontal viscosity
1528        in calc_gw.F, version 1.27, 2006/06/20):
1529        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
1530        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
1531      - change background horiz viscosity in vertical momentum (gW) to always be
1532        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
1533        any type of variable viscosity, e.g., viscAh/4Grid)
1534      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
1535        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
1536        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
1537        default viscAh,viscA4 is zero).
1538    o model/src:
1539      - extend length of drC & recip_drC from Nr to Nr+1.
1540  o Divided Adjoint (DIVA) with MPI:  o Divided Adjoint (DIVA) with MPI:
1541    - genmake2: do not create local ./mpi_headers dir when no file to copy into.    - genmake2: do not create local ./mpi_headers dir when no file to copy into.
1542    - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT    - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT

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