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revision 1.1889 by dimitri, Mon Jul 1 16:55:57 2013 UTC revision 1.2155 by rpa, Sat Jun 6 14:45:21 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/layers:
8      - reverted changes to interpolation to previous treatment; there
9        was never actually a problem
10    o pkg/layers:
11      - fix interpolation of layers tracers in the presence of partial cells
12      - add lots of new functionality to compute water mass transformation
13        (enabled by CPP flag LAYERS_THERMODYNAMICS)
14      - add new calls from main code (diags_oceanic_surf_flux.F,
15        thermodynamics.F, impldiff.F) and gad to save the necessary fields
16        for layers_thermodynamics calculations
17    o pkg/ptracers:
18      - add capability of stepping a passive tracer forward
19        without advection by setting PTRACERS_advScheme to 0.
20    o pkg/diagnostics:
21      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
22    o pkg/layers:
23      - shift potential density field "prho" by -1000 for density layer averaging so
24        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
25        Note that density bin boundaries (layers_bounds in data.layers) have
26        to be set accordingly (i.e., shifted, in sigma scale).
27    o pkg/layers:
28      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
29      - fix calculation of layer non-weighted velocity and layer probability
30      - add diagnostics for pot.density used for layer averaging
31    o pkg/seaice:
32      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
33        positiveness, modify a few comments and improve variable names,
34      - the changed computation of deltaC affects most seaice-related
35        experiments at the truncation level.
36        seaice_itd.thermo is affected by far the most, with
37        only 7 digits of agreement remaining; update experiments.
38    
39    checkpoint65l (2015/05/04)
40    o pkg/shelfice:
41      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
42        factor drKp1 to zero where it is negative (ie. do not use
43        SHELFICEBoundaryLayer if hFacC>1)
44      - the same for factor drLoc in shelfice_forcing.F
45    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
46        with modules in ptracers, when using testreport option "-small_f"
47    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
48      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
49    o verification/testreport
50      - add new option -small_f
51        with this option testreport first makes the target small_f (*.f files)
52        before running make (all). This is useful for explicit inlining when
53        all sources need to be full available.
54    o pkg/exf/exf_interp.F:
55        remove previous changes related to reverse (decreasing) input grids latitude
56    
57    checkpoint65k (2015/04/01)
58    o pkg/ecco:
59        fix missing cosphi initialization; use eccoiter in place of optimcycle;
60        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
61        instead of active read/write
62    o pkg/ctrl:
63        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
64        instead of active read/write.
65    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
66        return if .NOT.useAUTODIFF
67    o pkg/seaice: add CPP brackets (cost function related).
68    o model/src:
69        add useAUTODIFF run time switch.
70    o pkg/exf/exf_interp.F:
71        add code to allow input grids with latitude starting in the north (i.e. when
72        j=1 corresponds to northern edge of field); modify global_with_exf to test
73        this feature.
74    o verification/testreport:
75      - replace "grep -A3" with POSIX conformal sed command, because there are
76        implementations of grep that cannot do contextual searches
77      - replace "cat -n" by "nl" (two occurrences), because not all implementations
78        of "cat" have the option "-n"
79    o model/src:
80        add new file gsw_teos10.F that contains 3 functions, more or less a copy
81        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
82        convert from conservative to potential temperature. For now they are not
83        called anywhere.
84    o pkg/ggl90: make "useIDEMIX" useful
85      - re-organize code in s/r ggl90_calc a little to move computations that
86        are different for idemix into separate loops (changes verification
87        experiment idemix at truncation level, 12 digits remain -> updated)
88      - requires 2 new 2D fields KappaM, verticalShear
89      - make hFacI and recip_hFacI local 3D variables that are passed to
90        s/r ggl90_idemix
91      - fix and improve some comments
92    
93    checkpoint65j (2015/02/25)
94    o pkg/openad
95      - synchronize seawater.F with version in model/src: replace routine
96        body of sw_temp by calling sw_ptmp and fix/add a few comments.
97    o pkg/mnc:
98      - change default value of pickup_read/write_mnc params to FALSE
99        (since few features are missing in reading MNC pickup files).
100    o model/src:
101      - change default (background) vertical diffusivity for salt to be the
102        temperature (background) vertical diffusivity.
103      - change background vertical diffusivity in vertical mixing pkgs ggl90,
104        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
105        This makes ptracers default diffusivity (that uses salt diffKr) more
106        consistent with vertical mixing schemes.
107    o verification/testreport:
108      - fix typo in "-pcls" option ;
109      - put temp files in /tmp (instead of in local dir)
110      - add option "-ncad" to use genmake2 new option "-nocat4ad"
111      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
112    o pkg/ggl90 (idemix code):
113      - apply few fixes ; add some missing "_d 0" ; update output of exp.
114        global_ocean.90x40x15.idemix
115    o OpenAD
116      - enable active file I/O and begin removal of work-around code
117        for OpenAD for handling control variables (memory vs. active files)
118      - new CPP options file OPENAD_OPTIONS.h
119      - revert to genarr2d gradient check for hs94.1x64x5
120      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
121      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
122    o tools/genmake2:
123      - add option for an alternative Makefile (from Martin) where multiple
124        source files are sent to TAF (instead of all in one file).
125    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
126      - code provided by Carsten Eden as an extension of ggl90
127      - so far the code is turned on within ggl90 by setting a CPP-flag at
128        compile time; a runtime flag implementation is not yet complete
129      - tested in new verification experiment global_ocean.90x40x15.idemix
130    o verification:
131      - reduce length of the AD test run by half for experiments
132        global_ocean.cs32x15 (std + thsice) and isomip
133      - enable active file I/O for OpenAD, adjust verifications accordingly
134      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
135    o verification/testreport:
136      - fix two non-POSIX sed statements so that there are no error messages
137        on Mac OS X
138      - replace hostname -s with hostname | sed 's/\..*$//'
139    o model/src/seawater.F:
140      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
141        (following the matlab code), which would have avoided the bug caught
142        by Matt (see below) in the first place
143    o pkg/shelfice:
144      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
145        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
146      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
147        ice-shelf case (i.e., within surface level).
148      - add config summary in shelfice_check.F
149      - remove global variable recip_SHELFICElatentHeat and replace by a local
150        variable recip_latentHeat
151      - introduce diagnostics for friction velocity uStar (in case of
152        SHELFICEuseGammaFrict)
153      - change verification experiment isomip.htd:
154        + start from pickup (as input_ad at nIter0=8640)
155        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
156        + test SHELFICEuseGammaFrict = .TRUE.
157        + test SHELFICEadvDiffHeatFlux = .TRUE.
158    o model/src:
159      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
160        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
161        update output of experiments global_with_exf.yearly and isomip (all 6).
162    o pkg/shelfice:
163      - change setting of kTopC to also be zero where there is no ice-shelf.
164      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
165        ice-shelf is.
166      - first attempt to get RealFreshWaterFlux effects: for now, only without
167        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
168    o pkg/seaice: add the option to prescribe a fixed thickness PDF
169      for thermodynamic calculations
170      - because of divisions of the type 7/7 not exactly equal to 1, this change
171        affects results of some verification experiments by up to 4 digits:
172        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
173        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
174        adjoint: lab_sea, lab_sea.noseaicedyn
175        -> updated
176    
177    checkpoint65i (2015/01/23)
178    o model/src:
179      - change units of frictionHeating field from W to W/m^2
180      - fix bug in frictional heating from stratospheric drag in
181        S/R ATM_PHYS_TENDENCY_APPLY_V
182      - with synchronous time-stepping: move resetting to zero of frictionHeating
183        field from load_fields_driver.F to thermodynamics.F ;
184      - add diagnostics for frictional heating.
185    o model/src & gmredi K3D:
186      - add frictionHeating field to pickup-files (for synchronous time-stepping)
187      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
188      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
189        and name in pickup file).
190      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
191    o model/src:
192      - move (from ini_forcing.F) initialisation of all arrays in header file
193        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
194        (since Nov 2012) with option selectAddFluid=1.
195    o pkg/shelfice:
196      - change units (+ document) of newly added field "shelfIceMassDynTendency"
197      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
198    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
199    o pkg/seaice: two new runtime parameters:
200      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
201        long overdue
202      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
203        parameterization of tensil stress for fast ice (does not do anything yet)
204    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
205        for LSR: move checking overlaps out of JFNK-if-block
206    o pkg/atm_phys:
207      - move copy of grid and dynamical fields out of atm_phys_driver.F into
208        new S/R ATM_PHYS_DYN2PHYS.
209      - fix level height for Linear Free-Surf case (to be consistent with
210        fixed-in-time pressure levels).
211    o pkg/mom_common (bottomdrag):
212      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
213        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
214        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
215    o pkg/shelfice (u/v_drag):
216      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
217      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
218        (now similar to shelfice_u_drag.F)
219      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
220        from mom_vecinv.F (similar to mom_fluxform calls).
221    o pkg/mom_common (bottomdrag):
222      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
223      - add options for alternative discretisation of velocity norm in quadratic
224        bottom drag: averaging of grid-cell-center KE to U.point and V.point
225        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
226        improves when averaging only the other component (e.g. vVel for U bottom
227        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
228      - add options (bottomVisc_pCell) to account for partial-cell in bottom
229        friction (no-slip BC) thus getting the true distance from the bottom;
230        off by default since this also reduces model stability (explicit bottom
231        friction). Changes produce different machine truncation with linear-drag
232        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
233        front_relax (bvp & mxl, 10 & 11 digits).
234    o model/src & mom pkgs:
235      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
236        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
237      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
238        just copy level Nr value to level Nr+1.
239    o doc:
240      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
241    o pkg/streamice:
242      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
243        SHELFICE.h: move array shelficemass to init_varia, initialise
244        from array shelficemassinit, which is set in init_fixed and
245        has option to be set from file; introduce array
246        shelficeMassDynTend array, set thru file in init_fixed
247      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
248        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
249        pkg/streamice
250      - shelfice_thermodynamics.F: call shelfice_step_icemass if
251        SHELFICEMassStepping = .true.
252      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
253    
254    checkpoint65h (2014/12/17)
255    o verification/global_ocean.90x40x15, global_ocean_ebm:
256      - update to generic controls.
257    o pkg/ctrl:
258      - ctrl_map_ini_genarr.F: test for igen>0
259      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
260      - move gentim2d part of ctrl_map_ini_genarr.F to
261        new separate routine : ctrl_map_ini_gentim2d.F
262      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
263        add time variable weights and cyclic controls (time mean,
264        seasonal cycle, etc) capabilities to gentim2d
265    o pkg/ecco:
266      - move reading of error, conversion to weights from
267        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
268    o global_oce_llc90, cs32:
269      - activte sbo.
270      - CTRL_SIZE.h : add maxCtrlProc.
271      - activate the new genctrl capabilities.
272      - update following reorganization of global_oce_input_fields.tar.gz  
273    o pkg/ctrl/ctrl_ad_diff.list:
274      - add missing ctrl_init_rec.f
275    o tools/OAD_support/keepOriginal:
276      - add ctrl_init_rec.F
277    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
278      - avoid recomputations of xx_gentim2d_dummy.
279    o momentum diagnostics:
280      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
281        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
282    o pkg/seaice/seaice_lsr.F:
283      - fix computation of BU/BV, make sure they are non-zero, only necessary
284        for cubed sphere exchanges and SEAICE_OLx/y>0.
285        This makes calling s/r fill_cs_corner_rl obsolete (removed).
286    o verification/global_ocean.cs32x15/input.seaice
287      - add test for strong implicit coupling and restricted addtive Schwarz
288        methods for LSR
289      - update results/output.seaice.txt
290    o verification/tutorial_global_oce_biogeo:
291      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
292        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
293        update output_adm,_oadm,_tlm.txt
294    o pkg/dic:
295      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
296      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
297        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
298    o verification/tutorial_global_oce_biogeo:
299      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
300        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
301        update output_adm,_oadm,_tlm.txt
302    o eesupp/src:
303      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
304        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
305    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
306      LSR (following Hutchings et al. 2004)
307      - introduce zetaZ as a global variable (requires adjustments in
308        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
309        in seaice_calc_viscosities.F
310      - new flag SEAICEuseStrImpCpl (default off)
311      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
312        momentum equations
313      - JFNK-solver (preconditioner) adjusted to allow using this method
314        (where it does not have any positive effect)
315    o pkg/seaice
316      - add overlap for restrictive additive Schwartz method also to LSR, but
317        turn it off by default (because it only seems to work for non-cubed
318        sphere/llc topologies)
319    o pkg/autodiff
320      - add extra exchanges in addummy_in_steppging also for mnc output
321    o pkg/seaice:
322      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
323        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
324    o pkg/obcs:
325      - add option to specify domain-connected piece Id along OB though files
326        (for now, only used to diagnose PhiVel; default =1 -> global correction)
327      - modify obcs_diag_balance.F to process each connected-part separately;
328        exclude OB where Id = 0 but keep the full divergence there (-> constant
329        Psi along this portion of OB and all inflow derived from grad(Phi))
330      - add example of OB-conect files in verification/so_box_biogeo/input.
331    o pkg/diagnostics:
332      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
333      a) use non zero matrix element across OB and solve for Phi 1 grid point
334         outside OB (i.e, where tracer OBCS are applied).
335      b) global imbalance of inFlow/outFlow across OB: instead of modifying
336         velocity across OB, spread it uniformly along the OB in the RHS.
337    
338    checkpoint65g (2014/11/19)
339    o pkg/diagnostcis:
340      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
341    o pkg/my82,pp81,kl10:
342      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
343        field diffKr as background diffusivity to set minimum diffusivity value.
344    o pkg/seaice:
345      - add new parameter SEAICEuseEVPrev (for revisited EVP by
346        Bouillon et al 2013)
347      - add SEAICE_evpAlpha/Beta to namelist
348      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
349        involve trivial re-ordering of divisions/multiplications that should not
350        have any effects, but ... they do change the results of lab_sea.hb87 so
351        that only 2 digits of agreement remain, in line with the general
352        instability/fragility of the evp-code. For now, I do not care and just
353        update the verification experiment
354    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
355      - remove xx_genarr2d_numsmooth etc
356      - use xx_genarr2d_preproc etc instead
357      - carry out smooth_correl2D at initialization stage rather than during
358        time stepping.
359      - get smoothOpNb from xx_gentim2d_preproc
360    o global_oce_cs32 :
361      - add test of generic ecco capabilities.
362    o pkg/exf/exf_getsurfacefluxes.F :
363      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
364    o pkg/ctrl,ecco :
365      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
366        is defined.
367    o pkg/seaice: add diagnostics for Delta (deformation parameter)
368    o model/src:
369      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
370        diffusivity (background) is specified but ignored.
371    o verification:
372      - in testreport, convert hostname to lower case for default output dir name
373    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
374    o pkg/dic: add modifications from Hajoon:
375      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
376      - light attenuation: add self-shading effect by climatological Chlorophyll
377        (read from file).
378    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
379        compiles when SEAICE_ALLOW_DYNAMICS is undefined
380    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
381        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
382        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
383        approach where CPP_OPTIONS.h includes an omnipotent
384        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
385    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
386        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
387    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
388        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
389        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
390    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
391      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
392      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
393      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
394      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
395    o pkg/ctrl,ecco,exf :
396      - remove variables associated with NON-generic costs,
397        unless ECCO_CTRL_DEPRECATED is defined.
398      - remove NON-generic NON-obcs controls,
399        unless ECCO_CTRL_DEPRECATED is defined.
400    o pkg/ctrl : added ctrl_local_params.h
401    o pkg/ecco : added ecco_local_params.h
402    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
403        experiments, which will progressively be removed once the
404        experiments are revised to use only generic controls/costs.
405    
406    checkpoint65f (2014/10/13)
407    o pkg/ctrl, ecco, seaice : minor changes in headers
408    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
409        cost function and control capabilities added since checkpoint65c.
410    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
411    o pkg/ecco: increase modularity and improve logic
412      - ecco_toolbox.F (new) : basic operations that are often used,
413        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
414        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
415      - cost_gencal.F (new) : determine filnames and records.
416      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
417      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
418        and exploit the above functions leading to more compact code.
419      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
420      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
421        using_ers, using_gfo, using_mdt is now only defined within gencost)
422    o pkg/ecco: extend generic cost capabilities
423      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
424        capabilities via gencost_preproc (+ _c,_i,_r related params),
425        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
426        gencost_outputlevel arguments to cost_generic
427      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
428        and active_read, making room for gencost_preproc to take effect.
429        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
430      - pkg/ecco/cost_generic.F :
431        compute and store misfit maks*(model-data) in localdif that is
432        then used in cost and for output, output misfit if outlev.GT.0
433      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
434        rather gencost_barfile for deciding whether to write barfile
435      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
436      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
437        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
438      - pkg/ecco/ecco_summary.F : report gencost variables
439      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
440    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
441    o pkg/ecco: internal re-organization
442      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
443        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
444        mv relevant variables definition from ecco_cost.h to ecco.h,
445        make sure gencost routines only include ecco.h)
446      - throughout : add missing CCP switches, rm unused variables,
447        and rm un-necessary CPP switches
448      - throughout gencost routines : replace modelstartdate with
449        gencost_startdate when needed
450      - cost_bp_read.F : use arguments, instead of common blocs
451        so that it can be used also by (new) cost_gencost_bpv4.F
452      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
453      - ecco_phys.F : compute etanFull
454      - ecco_readparms.F : rename using_topex as using_tpj, add
455        bpv4-grace to gencost list, initialize added parameters
456      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
457    
458    checkpoint65e (2014/09/28)
459    o pkg/obcs:
460      - replaced the just-added CPP options with run-time variables
461        (see pkg/obcs/OBCS_PARAMS.h for details)
462    o pkg/obcs:
463      - add additional CPP options for sponge boundary layers
464        (see pkg/obcs/OBCS_OPTIONS.h for details)
465    o pkg/atm_phys:
466      - implement simple (obliquity only, assuming circular planet orbit)
467        seasonal cycle for incoming insolation ; used when run-time parameter
468        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
469    o pkg/exf, pkg/ecco, pkg/ctrl:
470      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
471      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
472      - implement gentim2d for xx_tauu, xx_tauv
473    o pkg/ctrl, pkg/ecco :
474      - fix and complement the generic controls implementation
475    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
476        pkg/shelfice/shelfice_thermodynamics.F,
477        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
478        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
479      - add weight in CTRL_GET_GEN calls
480    o pkg/ctrl :
481      - ctrl_get_gen.F : add weight as input parameter, and apply
482        it directly rather than using smooth_correl2Dw (to be retired).
483      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
484    o pkg/ctrl :
485      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
486        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
487      - re-activate ctrl_summary (call in ctrl_init.F)
488    o pkg/ctrl/ctrl_cost_gen.F :
489      - fix CCP brackets, remove un-necessary myiter, mytime
490    o pkg/ecco, pkg/ctrl :
491      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
492      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
493      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
494      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
495    
496    checkpoint65d (2014/09/15)
497    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
498      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
499        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
500    o pkg/ctrl/ctrl_map_ini_genarr.F :
501      - remove compilation failure
502      - replace hard coded example
503      - use ctrl_map_ini_gen2D, 3D
504    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
505      - on/off switch based upon xx_genarr2d_weight,3d
506    o src/packages_init_variables.F :
507      - regroup pkg/estimation calls
508      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
509        (moved to ctrl_init_variables)
510    o cost/cost_init_varia.F :
511      - remove ecco_cost_init_varia
512        (moved to ecco_init_varia)
513    o ctrl/ctrl_init_variables.F :
514      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
515      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
516    o ctrl/ctrl_map_ini.F :
517      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
518        (moved to ctrl_init_variables)
519    o ctrl/ctrl_map_ini_ecco.F :
520      - remove ECCO_PHYS (mv to ecco_init_varia)
521      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
522    o ecco/ecco_ad_diff.list :
523      - add ecco_init_varia.f
524    o ecco/ecco_init_varia.F
525      - new routine
526    o pkg/streamice:
527      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
528        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
529      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
530    o pkg/generic_advdiff:
531      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
532    o pkg/exf:
533      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
534         xxg_precip capability
535      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
536    o pkg/ctrl:
537      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
538    o model/src/load_fields_driver.F :
539      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
540        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
541    o OpenAD verification experiments:
542      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
543        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
544        for now, only in pkgs used in OpenAD verification experiments.
545      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
546        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
547        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
548        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
549    o OpenAD verification tests:
550      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
551      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
552        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
553      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
554        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
555    o model/src & generic_advdiff:
556      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
557        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
558        dynamics requires valid tracer forcing only over tile interior but, for
559        some diagnostics, may need to extend it over 1 point in tile halo region.
560      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
561        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
562        setting in temp/salt/ptracer_integrate.F
563    o pkg/dic:
564      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
565        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
566        in gchem_forcing_sep.F
567    o pkg/autodiff & obcs:
568      - add storage of current OB values for U & V (was already done for T & S).
569    
570    checkpoint65c (2014/08/30)
571    o pkg/dic:
572      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
573        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
574        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
575    o verification:
576      - new experiment testing OBCS and DIC pkgs, using params & output from
577        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
578        passage: take OBCS from the last year of a 2 yrs simulation and initial
579        conditions from t=1.yr while keeping the same forcing.
580    o model/src:
581      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
582        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
583    o pkg/diagnostics (Stats-Diags):
584      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
585        a) refine region where stats are computed, excluding where arrhFac=0 ;
586        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
587        c) extend regional stats over the region edges (for U or V pt location).
588    o pkg/gchem:
589      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
590        pkg/dic is currently changing/updating ptracers values beyond the OB).
591    o verification (hs94):
592      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
593        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
594        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
595        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
596    o pkg/ptracers:
597      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
598        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
599      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
600        with AB-2 code (so that it get tested).
601    o model/src:
602      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
603        with AB-2 code (previously only available with AB-3 code).
604        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
605        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
606        there, by calling CYCLE_AB_TRACER).
607    o pkg/generic_advdiff:
608      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
609        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
610        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
611        S/R temp/salt/ptracers_integrate.F
612    o model/src & pkg/ptracers:
613      - remove common block variables gT,gS (in DYNVARS.h), except when
614         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
615      - remove common block variable gPtr.
616    o model/src & pkgs:
617      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
618         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
619         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
620         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
621      + change accordingly all calling S/R.
622      - use local temperature/salinity/ptracer tendency array (without bi,bj)
623        in S/R temp/salt/ptracers_integrate.F
624    o pkg/seaice:
625      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
626        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
627      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
628        in seaice_lsr
629      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
630        in s/r seaice_lsr_calc_coeffs
631    o pkg/mdsio:
632      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
633        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
634        too long (e.g., > MAX_LEN_FNAM/2 )
635    
636    checkpoint65b (2014/08/12)
637    o pkg/matrix:
638      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
639    o model/src:
640      - fix initialisation of geothermalFile; compile geothermal-flux code in
641        natl_box verification experiment.
642    o model/src & pkg/down_slope:
643      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
644      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
645        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
646        results at machine truncation level: update output of experiments
647        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
648    o pkg/diagnostics (Stats-Diags):
649      - do not cumulate the full volume when DIAGNOSTICS_FILL is
650        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
651        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
652        times (but Min,Max and StD are still wrong).
653    o model/src:
654      - add geothermal flux forcing: read in ini_forcing.F as time-constant
655        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
656    o model/src:
657      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
658        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
659        arrays are already updated while adjustments (filters, conv.adjustment) are
660        still applied later, in S/R TRACERS_CORRECTION_STEP.
661    o model/src:
662      - store in common bloc array "rhoInSitu" the virtual potential temperature
663        anomaly that is used to compute geopotential: this make the atmos code
664        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
665    o pkg/seaice/seaice_lsr.F
666      - rename integer variable ilcall to ipass (that's what it is called
667        in the residual diagnostics
668      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
669        default) for improved non-linear convergence of the first few steps
670      - adjust a few comments and add new ones to explain some of the store
671        directives
672    o pkg/generic_advdiff (& ptracers):
673      - re-work the code to check for valid advection scheme and for minimum
674        size of overlap (now stored in local common bloc in gad_advscheme.F)
675    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
676      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
677      - add an auxilliary variable "bet" and fix store directives and keys in
678        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
679        less exact gradients in my tests); but there are still
680        recomputation warning (although gradients are sort of OK), when
681        SEAICE_LSR_VECTORIZE is not defined, so this flag and
682        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
683      - update verification experiments lab_sea.
684      - change some comments in S/R seaice_calc_viscosities
685    o model/src:
686      - if staggerTimeStep=T, always apply exchange to velocity field in
687        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
688        (independent of using multi-dim advection or not); no effect on FWD run
689        but affects AD results (at machine truncation level): update output of
690        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
691        and isomip (oad: 12.d).
692    o pkg/generic_advdiff:
693      - stop if doAB_onGtGs is set to FALSE but ignored
694      - refine warning related to stability of tracer time-stepping
695        regarding internal wave dynamics.
696      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
697        on staggerTimeStep & implicitIntGravWave (will now get a warning
698        if potentially unstable).
699    o pkg/kl10:
700      - add new pkg "kl10" for mixing due to internal wave breaking, from
701        http://www.sciencedirect.com/science/article/pii/S1463500310000144
702        (contribution from Jody Klymak), tested in verification experiment
703        verification/internal_wave/input.kl10/
704    o isomip experiment:
705      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
706        (input.htd) and update the output.
707    o cd_code experiments:
708      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
709        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
710        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
711        update the corresponding output.
712    o pkg/seaice:
713      - reduce the number of include files and store directives in
714        S/R seaice_lsr_tridiagu/v
715      - change the order of loops in one case in S/R seaice_lsr_tridiagv
716        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
717        get rid off one store directive (a TAF bug?)
718      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
719        S/R seaice_lsr_tridiagv to change the loop range for consistency
720      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
721      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
722        S/R seaice_lsr_tridiagu/v (requires update of
723        offline_exf_seaice/input.dyn_jfnk)
724    
725    checkpoint65a (2014/07/27)
726    o model/src:
727      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
728        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
729        (topo in p-coords, ice-shelf in z-coords); update output of experiments
730        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
731    o model/src:
732      - collect momentum forcing tendency into local 2-D array (passed as argument
733        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
734        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
735        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
736      - collect T & S forcing tendency into local 2-D array (passed as argument to
737        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
738        affects results at machine truncation level (e.g., ocean: if using
739        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
740        correction due to vertical advection).
741      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
742        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
743        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
744        obcs_ctrl (ad & fwd grd @ 12 & 7).
745    o pkg/ptracers & diagnostics:
746      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
747        title (to avoid some unexpected truncation); sort out ptracers diags units.
748      - collect ptracer forcing tendency into local 2-D array (passed as argument
749        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
750    
751    checkpoint65 (2014/07/18)
752    o pkg/fizhi:
753      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
754        affects results at machine truncation level. Update output of experiments
755        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
756    o pkg/seaice: more clean up
757      - rename TAF common block tapes to be more consistent and remove
758        unnecessary duplicates
759      - add store directives to remove more recomputations, but use smaller
760        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
761        The idea behind this flag is to reduce the memory footprint when the
762        adjoint of the LSR is not required. As of now, defining the flag
763        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
764        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
765        For experiment offline_exf_seaice, this means on a linux box with gfortran
766        nearly a factor of 10 (but keep in mind there is mostly seaice code in
767        this experiment):
768        > size mitgcmuv_ad
769        text    data        bss     dec        hex
770        5100659 1216  220458952  225560827  d71c8fb
771        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
772        but only a moderate increase of 36% for global_ocean.cs32x15:
773        text    data        bss     dec        hex
774        6695027 1648 1014578664 1021275339 3cdf6ccb
775        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
776      - note: there are still recomputations in global_ocean.cs32x15 and
777        offline_exf_seaice and the gradient agreement changes (gets a
778        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
779      - in general, the AD gradients still are wrong
780    o OpenAD
781      - clean up code_oad/ directories somewhat by moving files
782        dontCompile, dontTransform, keepOriginal to OAD_support/
783    o model/src:
784      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
785        (not currently tested): add dissipation terms before NLFS rescaling of
786        tendencies (previously done after).
787    o pkg/diagnostics:
788      - write stats-diags in ascii file with more digits (same as in monitor).
789    o pkg/down_slope:
790      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
791        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
792    o model/src:
793      - new file "apply_forcing.F" containing all the code previously in
794        external_forcing.F, but with new argument list: pass, as new argument,
795        the current level tendency array to update (instead of a direct update
796        of the common bloc array). Change the corresponding calls.
797      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
798        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
799    o pkg/seaice/seaice_lsr, a little bit of clean up
800      - rearrange some code blocks, so that now all calculations for
801        setting up the right-hand-sides done within one single block
802        (I find that easier to read and understand)
803      - rearrange freedrift-code to reduce the number of ifdefs
804      - adjust some indentations and comments
805    
806    checkpoint64z (2014/07/10)
807    o model/src and several pkgs:
808      - change argument list of all S/R called from external_forcing.F and
809        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
810        to pass, as argument, the current level tendency array to update
811        (instead of a direct update of the common bloc array).
812      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
813      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
814    o pkg/seaice/seaice_lsr.F
815      - always initialize local arrays in seaice_lsr_tridiagu/v
816      - add more local tapes to seaice_lsr_tridiagu/v
817      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
818        keep it in bi/bj loop; this seems to be essential
819      - gradients are still wrong but only by 4-7 orders of magnitude
820        instead of 15 orders of magnitude, lab_sea improves a little
821    o pkg/seaice
822      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
823        generates unnecessary code in seaice_lsr_ad
824      - add more store directives in seaice_lsr to avoid unnecessary code
825        in seaice_lsr_ad
826      - exclude some residual computations in seaice_lsr when
827        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
828        in seaice_lsr_ad
829      - add more storing, a new tape (model/src/the_main_loop.F) and
830        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
831        and klockey should be checked by a specialist)
832      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
833        and update lab_sea after previous changes in pkg/seaice below
834    o pkg/autodiff:
835      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
836        viscFacInAd : run time parameters allowing for adjoint switches
837        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
838    o pkg/ecco:
839      - introduce cost_gencost_boxmean.F that computes a box mean
840        temperature (for use in adjoint sensitivity studies).
841    o model/src/set_defaults.F : initialize viscFacAdj to 1.
842    o pkg/mom_common/mom_calc_visc.F:
843      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
844    o pkg/seaice/seaice_summary.F:
845      - statement for SEAICEadjMODE now in autodiff_readparms.F
846    o pkg/seaice:
847      - remove some store directives and add new ones in an effort to get
848        finally rid off the recomputation warnings. This is successful
849        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
850        defined (i.e. no extensive recomputation warnings left), but there
851        are still too many recomputations on the solver iteration level
852      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
853      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
854        SEAICE_SIZE.h
855      - add a store directive in S/R seaice_calc_viscosities
856    o pkg/seaice (ITD code):
857      - fix definition of Hlimit for multi-threaded case
858      - use double precision arithmetic to compute Hlimit: this affects results;
859        update output of experiment seaice_itd.
860    o replace content of verification/seaice_itd
861      - instead of a 1D column use the configuration of offline_exf_seaice
862        to test the ice thickness distribution code with ridging
863      - this is a first shot at this experiment
864      - change of some defaults of ridging parameters SEAICEhStar (from
865        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
866        and lot of new comments.
867    
868    checkpoint64y (2014/06/20)
869    o pkg/seaice/seaice_reg_ridge.F:
870      - modify the regularization of very small volumes of ice; only check
871        total volume HEFF, and do not apply correction to individual ice
872        classes because that leads to funny patterns in the heat and fw-fluxes
873        into the ocean. Adjust seaice_itd/results/output.txt
874      - replace nITD by SEAICE_multDim in loop-ranges
875    o pkg/exf:
876      - add code to process the case field period = -12. with UV interpolation.
877      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
878        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
879    o verification/global_with_exf:
880      - switch all fields period to -12. (was previously untested) in input/data.exf
881        (but keep secondary test ".yearly" unchanged); update the reference output.
882    o pkg/cal:
883      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
884    o pkg/exf:
885      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
886        to replace logical switch "exf_verbose"
887      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
888    o pkg/sbo:
889      - update from Katherine Quinn: evaluate mass directly from density and SSH
890        (budget using Finite Volume method) instead of from bottom pressure.
891      - allow testreport to collect few selected SBO output ; tested in exp.
892        global_ocean.90x40x15 (after updating the results, to include SBO output).
893      - fix some multi-threading issues (in output part).
894    o model/src & most packages:
895      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
896      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
897        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
898        "data.{pkg}" exist ; and leave the S/R (return) just after.
899      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
900        + call LAND_READPARMS from packages_readparms.F
901    o pkg/seaice:
902      - remove code that resets useThSice in S/R seaice_readparms and
903        replace it by a warning in S/R seaice_check
904      - remove parameter MULTDIM, replace with nITD and runtime
905        parameter SEAICE_multDim (still hard-wired to nITD if
906        SEAICE_ITD is defined)
907    
908    checkpoint64x (2014/05/24)
909    o verification/lab_sea:
910      - update adjoint and TLM output following changes to pkg/salt_plume
911      - un-do the update after putting back local recip_Cp in few places.
912    o pkg/salt_plume: modifications by An Nguyen:
913      - add capability to do brine rejection (salt-plume) as function of
914        volume+tracers (instead of only salinity tracer).
915      - conserve volume by exchanging volume from each kLev to above to
916        accommodate in-coming brine volume
917      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
918      - switch KPP surf buoyancy due to brine forcing to 3-d
919        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
920      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
921      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
922        in East/West Arctic.
923    o pkg/sbo:
924      - incorporate modifications from Katherine Quinn to enable the use of sbo
925        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
926        output for future testreport verification (unfinished).
927    o pkg/atm_phys:
928      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
929        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
930        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
931    o pkg/seaice
932      seaice_calc_ice_strength.F: modify expression to avoid divisions
933        (affects truncation)
934      seaice_do_ridging.F: clean up the insectarium
935      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
936      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
937      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
938      - add some debugging information and error messages (warnings)
939    o model/src: modifications relatd to atmosphere p*:
940      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
941      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
942        of vertical profile tRef in geopotential background and anomaly.
943      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
944        and pkg/atm_phys.
945      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
946        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
947    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
948    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
949        not used right now, but can be used in BGC packages to fix conservation.
950    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
951        other packages too.
952    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
953        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
954    o model/src:
955      - since we have several heat capacity (even in model/src), define "recip_Cp"
956        as local variable (no longer in common block) to avoid any confusion.
957      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
958    o pkg/exf:
959      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
960        air density as function of air Temp, Humidity and atm pressure.
961    
962    checkpoint64w (2014/05/02)
963    o verification:
964      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
965        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
966        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
967        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
968        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
969    o model/src: for atmosphere in p* coords:
970      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
971      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
972        but not yet activated.
973    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
974      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
975      - this changes the results (but not for any verification experiment, because
976        none tests this), but avoids having an extra field in the restart files
977    o pkg/seaice: remove global variable TICE (not needed)
978      - replace by TICES or local variable where necessary (cost_seaice_test,
979        seaice_diagnostics_state)
980      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
981      - use specific read/write routines for reading and writing individual leves
982        of a multilevel field
983    o pkg/ctrl & model/inc:
984      - move additional anomaly fields of control vars (related to options:
985         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
986        from DYNVARS.h into new header file: CTRL_FIELDS.h
987    o pkg/seaice: some small modifications to the ridging code
988      - make fw2ObyRidge a global variable and add the freshwater flux to
989        seaice_growth
990      - pass actual thickness from seaice_prepare_ridging, so that it is
991        computed only in one place and compute it in the same way as in
992        seaice_growth
993      - initialise more fields in seaice_do_ridging that where cause floating
994        point exceptions over land
995    o pkg/seaice: preparations for ridging code and first real ridging code
996      - move most of "PART 1" of S/R seaice_growth into a new and separate
997        S/R seaice_reg_ridge that will both regularize the state variable after
998        advection call the actual ridging routine;
999      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
1000        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
1001      - remove ridging code from seaice_advdiff
1002      - clean up remaining part 1 of seaice_growth in an attempt to make it
1003        more readable (this is probably subjective)
1004      - call seaice_itd_redist once in the initialisation phase to have the initial
1005        conditions in the correct category
1006      - finally: add new ridging routine for ITD code
1007    
1008    checkpoint64v (2014/04/11)
1009    o pkg/ecco:
1010      - add runtime parameters mdt[start,end]date[1,2]
1011      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
1012    o pkg/seaice:
1013      - make deltaC a global variable, so that it can be used in ridging code
1014      - first step towards ridging: introduce new routines that compute
1015        ice strength based on ridging parameters
1016      - add diagnostic for HSNOWITD
1017      - add opnWtrFrac as a global variable (required for ridging scheme)
1018    o pkg/salt_plume + pkg/seaice/seaice_growth.F
1019      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
1020        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
1021    o verification/hs94.1x64x5:
1022      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
1023      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
1024    o autodiff:
1025      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
1026        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
1027        For now, only in pkgs used in verification/hs94.1x64x5.
1028      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
1029        which are specific to TAF/TAMC).
1030      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
1031        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
1032        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
1033      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
1034        building mitgcmuv_ad (make adAll).
1035    o pkg/ecco:
1036      - cost_gencost_seaicev4.F:
1037         reformulate proxy cost as function of sst and local param SEAICE_freeze
1038         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
1039      - add stop statement if old names siv4-[sst,vol] are used
1040      - add snapshots + cost reports for atmospheric longwave
1041      - remove factor 0.1 in front of wtau[u,v]
1042      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
1043         ALLOW_TMI_SST_COST_CONTRIBUTION
1044    o pkg/atm_phys:
1045      - add some diagnostics for Short-wave and for convection S/R.
1046    o pkg/seaice/seaice_growth:
1047      - fix a bug in the lateral melt parameterization for SEAICE_ITD
1048        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
1049      - rearrange loop order for better vector code in the same code block
1050      - rewrite the floeDiameter formula to have fewer divisions
1051      -  (miraculously) none of this changes the results of seaice_itd
1052    o pkg/smooth:
1053      - move param smooth2Ddiffnbt to pkg/ecco
1054    o pkg/salt_plume:
1055      - salt_plume_frac.F:
1056         clean up local param names
1057         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
1058    o pkg/rw:
1059      - add RS version of S/R READ_MFLDS_LEV.
1060    o pkg/streamice:
1061      - fix the restart test by writing/reading pickup_streamice files.
1062    o pkg/seaice:
1063      - refine checks for jfnk-related parameters
1064      - comment out if statement with SEAICEuseIMEX parameter as long as there
1065        is no IMEX code to avoid confusion and surprises
1066    
1067    checkpoint64u (2014/03/07)
1068    o verification/MLAdjust:
1069      - rename secondary test suffix:
1070         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
1071         0.leithD -> AhFlxF  + switch to flux-form
1072         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
1073         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
1074    o pkg/mom_vecinv:
1075      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
1076        to be before mom_calc_visc.F)
1077      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
1078      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
1079        this is simpler for the adjoint and for diagnostics.
1080    o model/src + pkg/momentum:
1081      - add input files for  2-D additional Western and Southern cell-edge wall
1082         (e.g., to add "thin-wall" where it is =1).
1083      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
1084        using 2nd hFacZ that is computed from initial (fix domain) hFac
1085      - known limitations of thin wall implementation: not yet coded for sigma
1086        coords; not working with CD-scheme neither.
1087    o pkg/seaice:
1088      - rename recently introduced parameters from (wrong name) AB to
1089        BDF (backward difference time discretisation)
1090      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
1091    o tools/adjoint_options:
1092      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
1093    
1094    checkpoint64t (2014/02/01)
1095    o pkg/ecco
1096      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
1097        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
1098      - replace hard-coded record number and period which only work for monthly
1099        with read-in runtime param that works for other periods (month,day,year)
1100    o pkg/thsice
1101      - corrected store directive fixes thsice adjoint gradient checks
1102    o genmake2 & testreport:
1103      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
1104        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
1105        Update testreport accordingly. No need to set "export OPENAD=true"
1106        in adjoint_options/adjoint_oad anymore (will be removed later).
1107    o pkg/shelfice:
1108      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
1109        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
1110        so that surface forcing applies to k=kSurf if using pkg/shelfice.
1111    o pkg/ctrl, pkg/grdchk, pkg/ecco:
1112      - Changes to make GENARR more modular (i.e. invisible if not used)
1113    o model/src/temp_integrate.F and salt_integrate.F
1114      - re-include store directives that were removed on Dec 27th.
1115    o model/src/external_forcing_surf.F
1116      - add storage directives for EmPmR and PmEpR to avoid recomputation of
1117        seaice_model in the adjoint that is problematic when seaice_model is
1118        turned off in the adjoint. The resolved issue dated back to July when
1119        EXTERNAL_FORCING_SURF call was moved.
1120        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
1121    o pkg/exf/exf_check.F
1122      - fix a small bug again (originally found by Wentao Liu, now found again)
1123      - streamline error output
1124    o pkg/streamice and aim_v23:
1125      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
1126        Apple's /usr/bin/cpp knows what to do:
1127        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
1128        Target: x86_64-apple-darwin13.0.0
1129    
1130    checkpoint64s (2014/01/05)
1131    o tools/adjoint_options:
1132      - switch to fastopt.net TAF server (instead of default fastopt.de) for
1133        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
1134    o model/src:
1135      - remove some unnecessary TAF storage directives in forward_step.F and
1136        in dynamics.F (note: not always removed by TAF, e.g., double storage
1137        of kappaRU,kappaRV in former version of dynamics.F).
1138    o model/src & pkg/ptracers:
1139      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
1140        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
1141        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
1142      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
1143      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
1144      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
1145    o useSingleCpuInput separates single-CPU input from single-CPU output;
1146        for now only implemented for in exf_interp_read.F
1147    o verification/advect_xy:
1148      - fix missing EXCH call in local version of ini_salt.F and update output.
1149    o momentum diagnostics:
1150      - fix which deltaT is used in Total-Tendency diagnostics.
1151      - fix typo in diagnostics for momentum tendency from AB.
1152    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
1153        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
1154    
1155    checkpoint64r (2013/12/08)
1156    o verification/*/results:
1157      - Update reference output of experiments that were passing with just 13 digits
1158         (make it easier to detect future changes in results)
1159    o model/src & pkg/ptracers:
1160      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
1161        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
1162        to inside ptracers_integrate.F ; remove ptracers_advection.F
1163    o coupling interface pkgs:
1164        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
1165      - change the config check to test the agreement of Ocean Depth
1166        with ATM land/sea mask (instead of ATM orography);
1167      - send to coupler the number of coupler time-steps to do for this run:
1168        this allows to check for consistency and don't need anymore to be
1169        specified in parameter file "data";
1170      in coupler:
1171      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
1172      - improve report to log-file of config setting (pass log-file unit to few S/R)
1173    o pkg/compon_communic:
1174      - add coupling send/receive for non-tiled integer vector;
1175      - add S/R to check and stop if any proc has an error (similar to
1176        eesupp/src/stop_if_error.F but single thread and across Comm_World).
1177    o pkg/exch2:
1178      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
1179        through list of all tiles my proc owns.
1180    o model/src:
1181      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
1182        from rTrans) to simplify dependencies (no need to store rTrans anymore in
1183        calling S/R); this affects AD results at machine truncation level:
1184        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
1185        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
1186    o tools/build_options:
1187      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
1188    o coupling interface pkgs:
1189        [compon_communic, atm_compon_interf & ocn_compon_interf]
1190      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
1191        to each S/R that needs it; remove un-used variables.
1192      - change component tile registration (cpl_register.F in both compon_interf
1193        and mitcomponent_tile_register.F) to pass the full list of tiles
1194        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
1195      - with pkg/exch2: adopt the same convention used for I/O to define mapping
1196        towards coupler global array (unless W2_useE2ioLayOut=F):
1197         a) can now use different tiling between atm & ocn comp.
1198         b) no needs to modify the run-Off map when changing tiling (was needed
1199            even if using the same tiling between atm & ocn).
1200         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
1201            full land tiles); not yet tested.
1202      - check for valid mapping from comp. tile to coupler global array
1203      - improve report of tile registration results to log file.
1204    o pkg/exch2:
1205      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
1206        tile-registration (CPL_REGISTER);
1207      - activate (un-comment) definition and setting of "W2_tileIndex" list to
1208        store the local bi,bj indices of each tile;
1209      - also print bi,bj in local report to log file;
1210      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
1211        Jun 2009 modif of pkg/exch2).
1212    o testing on baudelaire:
1213      - run 2 tests at a time: no significant slow down (since enough cpu) and
1214        get the full set of test done earlier
1215      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
1216    o model/src/thermodynamics.F and routines called from it:
1217      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
1218        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
1219        velocity (outp) by adding bolus velocity.
1220      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
1221        mass transport from velocity + lateral grid cell area
1222      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
1223      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
1224     in thermodynamics.F
1225      - remove k from thermodynamics.F and move it to temp_integrate.F
1226        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
1227        loop).
1228      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
1229        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
1230        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
1231        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
1232      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
1233        global_ocean.90x40x15, tutorial_global_oce_biogeo and
1234        tutorial_tracer_adjsens (+ TLM output).
1235    o tools/OAD_support and (verification/*/) code_oad:
1236      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
1237        module conversion ; remove unneeded CPP_EEOPTIONS.h.
1238      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
1239        version (closer to model/inc/CPP_OPTIONS.h).
1240    o model/src:
1241      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
1242        retired list of parameters (routine FREEZE has been replace by surface
1243        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
1244    o pkg/gmredi:
1245      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
1246        velocity (same scheme but affects machine truncation) for GM_AdvForm.
1247      - update output of FWD experiments: front_relax.bvp,
1248        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
1249    
1250    checkpoint64q (2013/11/17)
1251    o verification:
1252      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
1253        tutorial_global_oce_biogeo and global_ocean.90x40x15.
1254      - generate new output (growth & melt) for seaice_itd experiment after
1255        updating the input pickup_seaice files (previously wrong).
1256    o pkg/cost:
1257      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
1258        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
1259        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
1260          cannot be applied to var in common block).
1261        o allows to get results independent of tile-per-proc setting (if using
1262          slower GLOBAL_SUM_SEND_RECV option).
1263      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
1264        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
1265        forward gradients: update output).
1266      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
1267        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
1268    o pkg/mom_common:
1269      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
1270        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
1271        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
1272        ensure that all field value that are used are set.
1273    o tutorial_deep_convection (smag3d):
1274      - add missing scaling in mom_calc_smag_3d.F;
1275      - set smag3D_coeff in input.smag3d such that results do not change.
1276    o pkg/dic:
1277      - change dic_cost.F to compute cost on each tile first and then apply
1278        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
1279        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
1280      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
1281    o eesupp/src & pkg/mdsio:
1282      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
1283        (from pkg/mdsio) since they are no longer used for tape IO.
1284      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
1285        (+ keep a copy in pkg/atm_ocn_coupler).
1286    o verification/isomip:
1287      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
1288    o tools/build_options:
1289      - optfile linux_amd64_ifort11, fast (no ieee) case:
1290        to get a working restart for all experiments, add "-fp-model source"
1291        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
1292    
1293    checkpoint64p (2013/10/20)
1294    o pkg/autodiff:
1295      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
1296        criteria, return to simple (default) tape IO format.
1297    o pkg/mdsio (+ eesupp/src):
1298      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
1299        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
1300      - fix globalFile and singleCpuIO options using simpler global mapping.
1301      - new pairs of scatter/gather vector S/R (one for each type, generated from
1302        template) corresponding to simpler global mapping.
1303      - adread_write.F: switch to new S/R (but leave old calls commented) and write
1304        to globalFile when parameter globalFiles is set to True.
1305      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
1306    o pkg/autodiff:
1307      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
1308        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
1309        missing, just add a STOP if array type do not match.
1310    o pkg/exf:
1311      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
1312         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
1313         and rename array obsSIce to exf_iceFraction.
1314    o tutorial_deep_convection:
1315      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
1316        for now all in this exp. code dir.
1317      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
1318        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
1319    o eesupp/src:
1320      - added SINGLE_DISK_IO option because reading of parameter files on
1321        very large number of processors did not work with existing set-up
1322    
1323    checkpoint64o (2013/09/25)
1324    o pkg/atm_phys & atm_compon_interf:
1325      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
1326    o tools/build_options:
1327      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
1328        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
1329        remove CPP setting (was identical to genmake2 default).
1330    o pkg/gmredi & model/src: Some updating and work done on the residual model.
1331      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
1332      - fixed up the calculation of the eddy stress and how it is added to the
1333        external forcing via taueddy_external_forcing.F
1334      - at the moment, it is very experimental and only works with the variable eddy
1335        diffusivity calculated in gmredi_k3d.F
1336    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
1337        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
1338    o testreport (& tools/do_tst_2+2):
1339      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
1340    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
1341      - remove CPP='cpp -traditional -P' (this is genmake2 default)
1342      - add switch (for big setups) to use 'medium' memory-model (but leave it
1343        commented out for now). Note: needed with FC 19 to compile big setups.
1344    o pkg/atm_compon_interf:
1345      - regroup per field origin (model & pkgs) the coupling storage routines
1346         (which accumalate in time each coupling field)
1347      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
1348        update accordingly + simplify aim_do_physics.F
1349    
1350    checkpoint64n (2013/08/26)
1351    o pkg/bbl:
1352      - update formulation to reduce dispersion of tracer properties in bbl
1353      - replaced horizontal and vertical transport parameters with velocities
1354      - changes results for verification/global_with_exf.yearly
1355    o verification/halfpipe_streamice:
1356      - change to matrix construction; update both Fwd & AD output.
1357    o verification/tutorial_tracer_adjsens:
1358      - OpenAD test: switch to vector-invariant momentum since fluxform with
1359        rStar causes problems with OpenAD; update output.
1360    o tools:
1361      - genmake2: define a common prefix for all temp-file names ; move them
1362        to local /tmp disk (but would be easy to move them back);
1363      - xmakedepend: apply the same switch for temp-files.
1364    o pkg/offline:
1365      - changes for use with rStar (NLFS): assume that we continue to provide
1366        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
1367        output files) and apply r* scaling at each time-step (function of the time
1368        varying Eta field); use normal pickup files (needed for restart with NLFS).
1369    o adjoint with OpenAD:
1370      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
1371        package openad.  This package has to be compiled for all runs with OpenAD
1372        instead of specifying code_oad_all as a modification directory.
1373      - link the fortran templates from tools/OAD_support to the build directory
1374        for preprocessing to avoid conflicts between different setups compiled
1375        simultaneously and simplify cleanup.
1376    o pkg/exf:
1377      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
1378        main model or other pkgs are exchanged in EXF_MAPFIELDS).
1379    o model/src:
1380      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
1381        (similar to do_fields_blocking_exchanges.F).
1382    o tools/genmake2:
1383      - remove TAF output src code just before calling staf (when not doing a fresh
1384        built, will stop if things go wrong with staf).
1385      - fix target "adobj" (left from TAF version-2 transition)
1386    o pkg/diagnostics:
1387      - add a parameter to track the status of pkg/diagnostics activation;
1388        this replace/extend the use of logical param "settingDiags" (to check
1389        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
1390        New S/R to print error message and stop when pkgStatus is not right.
1391      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
1392    
1393    checkpoint64m (2013/08/13)
1394    o model/inc:
1395      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
1396        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
1397    o pkg/kpp & aim_v23:
1398      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1399    o pkg/seaice:
1400      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
1401        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
1402      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1403    o eesupp/src:
1404      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
1405        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
1406    o switch to TAF version-2:
1407      - add flow directives to "freeze" naming convention for ad-routines that
1408        are used in I/O routines of adjoint state and associated common blocks
1409        that are used in adcommon.h (backward compatible with version-1)
1410      - update all ad-optfiles (in tools/adjoint_options + few local to some
1411        verification exp) to switch to latest TAF version (currently 2.5.5);
1412        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
1413        out except for diva).
1414      - the major change with TAF version-2 is that both the differentiated
1415        routines and the forward routines (new) are returned as part of the TAF
1416        output source code. Update genmake2 accordingly.
1417      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
1418        with version-2 when compared to TLM or FWD gradient); other experiments
1419        output show minor changes (machine truncation level); update the few AD &
1420        TLM output with 12 matching digits only (some prior to version-2 switch).
1421    
1422    checkpoint64l (2013/08/05)
1423    o model/src:
1424      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
1425      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
1426        when using TAF but only if using OpenAD.
1427    o pkg/mom_common+fluxform+vecinv:
1428      - always set horiz. viscosity arrays to background value before calling
1429        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
1430        only when using variable horiz. viscosity (useVariableVisc=T);
1431      - simplify mom_vecinv.F (only 1 block for momViscosity).
1432    o pkg/mom_common: variable horiz. viscosity in NH code
1433      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
1434        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
1435      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
1436        useBiharmonicVisc & useVariableVisc.
1437      - fix old bug (already in 1rst implementation of variable horizontal viscosity
1438        in calc_gw.F, version 1.27, 2006/06/20):
1439        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
1440        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
1441      - change background horiz viscosity in vertical momentum (gW) to always be
1442        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
1443        any type of variable viscosity, e.g., viscAh/4Grid)
1444      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
1445        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
1446        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
1447        default viscAh,viscA4 is zero).
1448    o model/src:
1449      - extend length of drC & recip_drC from Nr to Nr+1.
1450    o Divided Adjoint (DIVA) with MPI:
1451      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
1452      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
1453        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
1454    
1455    checkpoint64k (2013/07/23)
1456    o tools/OAD_support:
1457      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
1458        and remove it from genmake2.
1459    o tools/build_options:
1460      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
1461        MPI_HEADER_FILES list (let genmake2 find the missing headers)
1462    o verification/halfpipe_streamice:
1463      - change to driving stress formulation; update both Fwd & AD output.
1464    o tools/genmake2 and Divided Adjoint with MPI:
1465      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
1466      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
1467      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
1468        Makefile, which is set by genmake2, and check which mpi-headers are needed.
1469        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
1470      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
1471    o testreport:
1472      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
1473        perform additional runs (number of additional runs is "add_DIVA_runs" taken
1474        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
1475    o verification/lab_sea (AD test):
1476      - change to test Divided Adjoint Run in this set-up (both standard AD test
1477        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
1478    o pkg atm_ & ocn_compon_interf:
1479      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
1480        staggerTimeStep implementation) and disable (retired) corresponding
1481        parameter.
1482    o pkg/offline:
1483      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
1484      - add S/R OFFLINE_CHECK to print offline parameter summary
1485        and stop if loading a file that is not used;
1486      - enable to calculate GMRedi tensor, KPP mixing and convective index
1487        when the corresponding file(s) is/are not specified (but pkg is used).
1488      - comment out resetting of monitorFreq (to endTime) since it still useful
1489        for monitoring CFL numbers and checking offline fields.
1490    o OpenAD:
1491      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
1492        smaller standard output) and generate new (smaller) output (on baudelaire
1493        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
1494    o model/src:
1495      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
1496        (where external_forcing_adjust was called) and change list of arguments;
1497      - merge external_forcing_adjust.F into external_forcing_surf.F
1498      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
1499        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
1500        previously in file "balance_relax.F", now removed); remove corresponding
1501        arrays in FFIELDS.h.
1502      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
1503        a hack for getting back surfaceForcingS (loaded from file) when using
1504        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
1505      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
1506        (was getting only 11 digits for AD-grad, due to different truncation
1507         error in AD code).
1508    
1509    checkpoint64j (2013/07/04)
1510    o pkg/offline:
1511      - to enable the use of other features with pkg offline (e.g., obcs),
1512        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
1513      - comment out "allowFreezing" (now active) in 2 offline testing exp.
1514  o pkg/exf ALLOW_RUNOFTEMP  o pkg/exf ALLOW_RUNOFTEMP
1515    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
1516    - added RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice    - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
1517    - changes verification/global_ocean.cs32x15/results/output.seaice.txt    - changes verification/global_ocean.cs32x15/results/output.seaice.txt
1518  o pkg/atm_phys:  o pkg/atm_phys:
1519    - allows to add some damping on uVel,vVel (strength only function of k).    - allows to add some damping on uVel,vVel (strength only function of k).

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