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revision 1.1889 by dimitri, Mon Jul 1 16:55:57 2013 UTC revision 1.2139 by mlosch, Tue Mar 3 15:57:00 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 verification/testreport:
8      - replace "grep -A3" with POSIX conformal sed command, because there are
9        implementations of grep that cannot do contextual searches
10      - replace "cat -n" by "nl" (two occurrences), because not all implementations
11        of "cat" have the option "-n"
12    o model/src: add new file gsw_teos10.F that contains
13        3 functions, more or less a copy of the gsw_toolbox.f90 of the TEOS-10
14        fortran interface, that are used to convert from conservative to
15        potential temperature. For now they are not called anywhere.
16    o pkg/ggl90: make "useIDEMIX" useful
17      - re-organize code in s/r ggl90_calc a little to move computations that
18        are different for idemix into separate loops (changes verification
19        experiment idemix at truncation level, 12 digits remain -> updated)
20      - requires 2 new 2D fields KappaM, verticalShear
21      - make hFacI and recip_hFacI local 3D variables that are passed to
22        s/r ggl90_idemix
23      - fix and improve some comments
24    
25    checkpoint65j (2015/02/25)
26    o pkg/openad
27      - synchronize seawater.F with version in model/src: replace routine
28        body of sw_temp by calling sw_ptmp and fix/add a few comments.
29    o pkg/mnc:
30      - change default value of pickup_read/write_mnc params to FALSE
31        (since few features are missing in reading MNC pickup files).
32    o model/src:
33      - change default (background) vertical diffusivity for salt to be the
34        temperature (background) vertical diffusivity.
35      - change background vertical diffusivity in vertical mixing pkgs ggl90,
36        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
37        This makes ptracers default diffusivity (that uses salt diffKr) more
38        consistent with vertical mixing schemes.
39    o verification/testreport:
40      - fix typo in "-pcls" option ;
41      - put temp files in /tmp (instead of in local dir)
42      - add option "-ncad" to use genmake2 new option "-nocat4ad"
43      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
44    o pkg/ggl90 (idemix code):
45      - apply few fixes ; add some missing "_d 0" ; update output of exp.
46        global_ocean.90x40x15.idemix
47    o OpenAD
48      - enable active file I/O and begin removal of work-around code
49        for OpenAD for handling control variables (memory vs. active files)
50      - new CPP options file OPENAD_OPTIONS.h
51      - revert to genarr2d gradient check for hs94.1x64x5
52      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
53      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
54    o tools/genmake2:
55      - add option for an alternative Makefile (from Martin) where multiple
56        source files are sent to TAF (instead of all in one file).
57    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
58      - code provided by Carsten Eden as an extension of ggl90
59      - so far the code is turned on within ggl90 by setting a CPP-flag at
60        compile time; a runtime flag implementation is not yet complete
61      - tested in new verification experiment global_ocean.90x40x15.idemix
62    o verification:
63      - reduce length of the AD test run by half for experiments
64        global_ocean.cs32x15 (std + thsice) and isomip
65      - enable active file I/O for OpenAD, adjust verifications accordingly
66      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
67    o verification/testreport:
68      - fix two non-POSIX sed statements so that there are no error messages
69        on Mac OS X
70      - replace hostname -s with hostname | sed 's/\..*$//'
71    o model/src/seawater.F:
72      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
73        (following the matlab code), which would have avoided the bug caught
74        by Matt (see below) in the first place
75    o pkg/shelfice:
76      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
77        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
78      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
79        ice-shelf case (i.e., within surface level).
80      - add config summary in shelfice_check.F
81      - remove global variable recip_SHELFICElatentHeat and replace by a local
82        variable recip_latentHeat
83      - introduce diagnostics for friction velocity uStar (in case of
84        SHELFICEuseGammaFrict)
85      - change verification experiment isomip.htd:
86        + start from pickup (as input_ad at nIter0=8640)
87        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
88        + test SHELFICEuseGammaFrict = .TRUE.
89        + test SHELFICEadvDiffHeatFlux = .TRUE.
90    o model/src:
91      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
92        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
93        update output of experiments global_with_exf.yearly and isomip (all 6).
94    o pkg/shelfice:
95      - change setting of kTopC to also be zero where there is no ice-shelf.
96      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
97        ice-shelf is.
98      - first attempt to get RealFreshWaterFlux effects: for now, only without
99        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
100    o pkg/seaice: add the option to prescribe a fixed thickness PDF
101      for thermodynamic calculations
102      - because of divisions of the type 7/7 not exactly equal to 1, this change
103        affects results of some verification experiments by up to 4 digits:
104        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
105        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
106        adjoint: lab_sea, lab_sea.noseaicedyn
107        -> updated
108    
109    checkpoint65i (2015/01/23)
110    o model/src:
111      - change units of frictionHeating field from W to W/m^2
112      - fix bug in frictional heating from stratospheric drag in
113        S/R ATM_PHYS_TENDENCY_APPLY_V
114      - with synchronous time-stepping: move resetting to zero of frictionHeating
115        field from load_fields_driver.F to thermodynamics.F ;
116      - add diagnostics for frictional heating.
117    o model/src & gmredi K3D:
118      - add frictionHeating field to pickup-files (for synchronous time-stepping)
119      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
120      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
121        and name in pickup file).
122      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
123    o model/src:
124      - move (from ini_forcing.F) initialisation of all arrays in header file
125        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
126        (since Nov 2012) with option selectAddFluid=1.
127    o pkg/shelfice:
128      - change units (+ document) of newly added field "shelfIceMassDynTendency"
129      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
130    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
131    o pkg/seaice: two new runtime parameters:
132      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
133        long overdue
134      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
135        parameterization of tensil stress for fast ice (does not do anything yet)
136    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
137        for LSR: move checking overlaps out of JFNK-if-block
138    o pkg/atm_phys:
139      - move copy of grid and dynamical fields out of atm_phys_driver.F into
140        new S/R ATM_PHYS_DYN2PHYS.
141      - fix level height for Linear Free-Surf case (to be consistent with
142        fixed-in-time pressure levels).
143    o pkg/mom_common (bottomdrag):
144      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
145        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
146        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
147    o pkg/shelfice (u/v_drag):
148      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
149      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
150        (now similar to shelfice_u_drag.F)
151      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
152        from mom_vecinv.F (similar to mom_fluxform calls).
153    o pkg/mom_common (bottomdrag):
154      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
155      - add options for alternative discretisation of velocity norm in quadratic
156        bottom drag: averaging of grid-cell-center KE to U.point and V.point
157        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
158        improves when averaging only the other component (e.g. vVel for U bottom
159        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
160      - add options (bottomVisc_pCell) to account for partial-cell in bottom
161        friction (no-slip BC) thus getting the true distance from the bottom;
162        off by default since this also reduces model stability (explicit bottom
163        friction). Changes produce different machine truncation with linear-drag
164        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
165        front_relax (bvp & mxl, 10 & 11 digits).
166    o model/src & mom pkgs:
167      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
168        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
169      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
170        just copy level Nr value to level Nr+1.
171    o doc:
172      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
173    o pkg/streamice:
174      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
175        SHELFICE.h: move array shelficemass to init_varia, initialise
176        from array shelficemassinit, which is set in init_fixed and
177        has option to be set from file; introduce array
178        shelficeMassDynTend array, set thru file in init_fixed
179      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
180        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
181        pkg/streamice
182      - shelfice_thermodynamics.F: call shelfice_step_icemass if
183        SHELFICEMassStepping = .true.
184      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
185    
186    checkpoint65h (2014/12/17)
187    o verification/global_ocean.90x40x15, global_ocean_ebm:
188      - update to generic controls.
189    o pkg/ctrl:
190      - ctrl_map_ini_genarr.F: test for igen>0
191      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
192      - move gentim2d part of ctrl_map_ini_genarr.F to
193        new separate routine : ctrl_map_ini_gentim2d.F
194      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
195        add time variable weights and cyclic controls (time mean,
196        seasonal cycle, etc) capabilities to gentim2d
197    o pkg/ecco:
198      - move reading of error, conversion to weights from
199        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
200    o global_oce_llc90, cs32:
201      - activte sbo.
202      - CTRL_SIZE.h : add maxCtrlProc.
203      - activate the new genctrl capabilities.
204      - update following reorganization of global_oce_input_fields.tar.gz  
205    o pkg/ctrl/ctrl_ad_diff.list:
206      - add missing ctrl_init_rec.f
207    o tools/OAD_support/keepOriginal:
208      - add ctrl_init_rec.F
209    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
210      - avoid recomputations of xx_gentim2d_dummy.
211    o momentum diagnostics:
212      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
213        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
214    o pkg/seaice/seaice_lsr.F:
215      - fix computation of BU/BV, make sure they are non-zero, only necessary
216        for cubed sphere exchanges and SEAICE_OLx/y>0.
217        This makes calling s/r fill_cs_corner_rl obsolete (removed).
218    o verification/global_ocean.cs32x15/input.seaice
219      - add test for strong implicit coupling and restricted addtive Schwarz
220        methods for LSR
221      - update results/output.seaice.txt
222    o verification/tutorial_global_oce_biogeo:
223      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
224        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
225        update output_adm,_oadm,_tlm.txt
226    o pkg/dic:
227      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
228      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
229        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
230    o verification/tutorial_global_oce_biogeo:
231      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
232        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
233        update output_adm,_oadm,_tlm.txt
234    o eesupp/src:
235      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
236        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
237    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
238      LSR (following Hutchings et al. 2004)
239      - introduce zetaZ as a global variable (requires adjustments in
240        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
241        in seaice_calc_viscosities.F
242      - new flag SEAICEuseStrImpCpl (default off)
243      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
244        momentum equations
245      - JFNK-solver (preconditioner) adjusted to allow using this method
246        (where it does not have any positive effect)
247    o pkg/seaice
248      - add overlap for restrictive additive Schwartz method also to LSR, but
249        turn it off by default (because it only seems to work for non-cubed
250        sphere/llc topologies)
251    o pkg/autodiff
252      - add extra exchanges in addummy_in_steppging also for mnc output
253    o pkg/seaice:
254      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
255        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
256    o pkg/obcs:
257      - add option to specify domain-connected piece Id along OB though files
258        (for now, only used to diagnose PhiVel; default =1 -> global correction)
259      - modify obcs_diag_balance.F to process each connected-part separately;
260        exclude OB where Id = 0 but keep the full divergence there (-> constant
261        Psi along this portion of OB and all inflow derived from grad(Phi))
262      - add example of OB-conect files in verification/so_box_biogeo/input.
263    o pkg/diagnostics:
264      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
265      a) use non zero matrix element across OB and solve for Phi 1 grid point
266         outside OB (i.e, where tracer OBCS are applied).
267      b) global imbalance of inFlow/outFlow across OB: instead of modifying
268         velocity across OB, spread it uniformly along the OB in the RHS.
269    
270    checkpoint65g (2014/11/19)
271    o pkg/diagnostcis:
272      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
273    o pkg/my82,pp81,kl10:
274      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
275        field diffKr as background diffusivity to set minimum diffusivity value.
276    o pkg/seaice:
277      - add new parameter SEAICEuseEVPrev (for revisited EVP by
278        Bouillon et al 2013)
279      - add SEAICE_evpAlpha/Beta to namelist
280      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
281        involve trivial re-ordering of divisions/multiplications that should not
282        have any effects, but ... they do change the results of lab_sea.hb87 so
283        that only 2 digits of agreement remain, in line with the general
284        instability/fragility of the evp-code. For now, I do not care and just
285        update the verification experiment
286    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
287      - remove xx_genarr2d_numsmooth etc
288      - use xx_genarr2d_preproc etc instead
289      - carry out smooth_correl2D at initialization stage rather than during
290        time stepping.
291      - get smoothOpNb from xx_gentim2d_preproc
292    o global_oce_cs32 :
293      - add test of generic ecco capabilities.
294    o pkg/exf/exf_getsurfacefluxes.F :
295      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
296    o pkg/ctrl,ecco :
297      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
298        is defined.
299    o pkg/seaice: add diagnostics for Delta (deformation parameter)
300    o model/src:
301      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
302        diffusivity (background) is specified but ignored.
303    o verification:
304      - in testreport, convert hostname to lower case for default output dir name
305    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
306    o pkg/dic: add modifications from Hajoon:
307      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
308      - light attenuation: add self-shading effect by climatological Chlorophyll
309        (read from file).
310    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
311        compiles when SEAICE_ALLOW_DYNAMICS is undefined
312    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
313        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
314        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
315        approach where CPP_OPTIONS.h includes an omnipotent
316        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
317    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
318        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
319    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
320        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
321        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
322    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
323      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
324      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
325      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
326      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
327    o pkg/ctrl,ecco,exf :
328      - remove variables associated with NON-generic costs,
329        unless ECCO_CTRL_DEPRECATED is defined.
330      - remove NON-generic NON-obcs controls,
331        unless ECCO_CTRL_DEPRECATED is defined.
332    o pkg/ctrl : added ctrl_local_params.h
333    o pkg/ecco : added ecco_local_params.h
334    o verification : added ECCO_CTRL_DEPRECATED to most as and oad
335        experiments, which will progressively be removed once the
336        experiments are revised to use only generic controls/costs.
337    
338    checkpoint65f (2014/10/13)
339    o pkg/ctrl, ecco, seaice : minor changes in headers
340    o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
341        cost function and control capabilities added since checkpoint65c.
342    o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
343    o pkg/ecco: increase modularity and improve logic
344      - ecco_toolbox.F (new) : basic operations that are often used,
345        including ecco_zero, ecco_cp, ecco_cprsrl, ecco_diffmsk,
346        ecco_addcost, ecco_add, ecco_div, ecco_readbar.
347      - cost_gencal.F (new) : determine filnames and records.
348      - cost_genread.F, cost_generic.F : condense code using ecco_toolbox.
349      - cost_generic.F : use spzeroloc rather than hard-coded -9999,
350        and exploit the above functions leading to more compact code.
351      - cost_genread.F : rm un-necessary arguments, re-arrange args order.
352      - ecco_check.F, ecco_readparms.F : bring logic up to date (using_tpj,
353        using_ers, using_gfo, using_mdt is now only defined within gencost)
354    o pkg/ecco: extend generic cost capabilities
355      - pkg/ecco : added 3D gencost (ALLOW_GENCOST3D), added gencost
356        capabilities via gencost_preproc (+ _c,_i,_r related params),
357        gencost_posproc (+ _c,_i,_r related params), gencost_nrecperiod,
358        gencost_outputlevel arguments to cost_generic
359      - pkg/ecco/cost_genread.F (new) : interface between cost_generic
360        and active_read, making room for gencost_preproc to take effect.
361        Added preproc code ('climmon') to replace GENERIC_BAR_MONTH.
362      - pkg/ecco/cost_generic.F :
363        compute and store misfit maks*(model-data) in localdif that is
364        then used in cost and for output, output misfit if outlev.GT.0
365      - pkg/ecco/cost_averagesfields.F : depend on gencost_barskip
366        rather gencost_barfile for deciding whether to write barfile
367      - pkg/ecco/ecco_cost_driver.F : extract call to cost_profiles from cost_hyd
368      - pkg/ecco/ecco_cost_init_fixed.F : extract gencost weights from
369        ecco_cost_weights, re-activate ecco_summary, determine gencost_barskip
370      - pkg/ecco/ecco_summary.F : report gencost variables
371      - pkg/ecco/cost_gencost_customize.F : treat case of scatterometer costs
372    o pkg/sea/SEAICE_OPTIONS.h : add ALLOW_COST_ICE, ALLOW_SEAICE_COST_SMR_AREA
373    o pkg/ecco: internal re-organization
374      - resolve un-necessary dependancies within pkg/ecco and to pkg/ctrl
375        (rm includes of optim.h and ctrl.h, replace optimcycle with eccoiter,
376        mv relevant variables definition from ecco_cost.h to ecco.h,
377        make sure gencost routines only include ecco.h)
378      - throughout : add missing CCP switches, rm unused variables,
379        and rm un-necessary CPP switches
380      - throughout gencost routines : replace modelstartdate with
381        gencost_startdate when needed
382      - cost_bp_read.F : use arguments, instead of common blocs
383        so that it can be used also by (new) cost_gencost_bpv4.F
384      - ecco_init_varia.F : initialize RHOsumGlob_0, VOLsumGlob_0
385      - ecco_phys.F : compute etanFull
386      - ecco_readparms.F : rename using_topex as using_tpj, add
387        bpv4-grace to gencost list, initialize added parameters
388      - ecco_summary.F : include SIZE.h needed for augmented ecco.h
389    
390    checkpoint65e (2014/09/28)
391    o pkg/obcs:
392      - replaced the just-added CPP options with run-time variables
393        (see pkg/obcs/OBCS_PARAMS.h for details)
394    o pkg/obcs:
395      - add additional CPP options for sponge boundary layers
396        (see pkg/obcs/OBCS_OPTIONS.h for details)
397    o pkg/atm_phys:
398      - implement simple (obliquity only, assuming circular planet orbit)
399        seasonal cycle for incoming insolation ; used when run-time parameter
400        "select_incSW" is set to 1 ; by default (=0), uses old unchanged formula.
401    o pkg/exf, pkg/ecco, pkg/ctrl:
402      - add ctrlUseGen and .NOT.ctrlUseGen exclusive brackets
403      - activate gentim2d for xx_atemp,xx_aqh,xx_swdown,xx_lwdown,xx_precip
404      - implement gentim2d for xx_tauu, xx_tauv
405    o pkg/ctrl, pkg/ecco :
406      - fix and complement the generic controls implementation
407    o pkg/exf/exf_getclim.F, exf_getffields.F, exf_getsurfacefluxes.F,
408        pkg/shelfice/shelfice_thermodynamics.F,
409        verification/hs94.1x64x5/code_ad/ctrl_map_gentim2d.F,
410        verification/hs94.1x64x5/code_oad/ctrl_map_gentim2d.F :
411      - add weight in CTRL_GET_GEN calls
412    o pkg/ctrl :
413      - ctrl_get_gen.F : add weight as input parameter, and apply
414        it directly rather than using smooth_correl2Dw (to be retired).
415      - ctrl_map_gentim2d.F : add wgentim2d in CTRL_GET_GEN call
416    o pkg/ctrl :
417      - introduce run time switch ctrlUseGen (in ctrl.h, ctrl_check.F,
418        ctrl_init_variables.F, ctrl_readparms.F, ctrl_summary.F)
419      - re-activate ctrl_summary (call in ctrl_init.F)
420    o pkg/ctrl/ctrl_cost_gen.F :
421      - fix CCP brackets, remove un-necessary myiter, mytime
422    o pkg/ecco, pkg/ctrl :
423      - remove cost_genctrl.F (now pkg/ctrl/ctrl_cost_driver.F)
424      - remove cost_forcing_gen.F (now pkg/ctrl/ctrl_cost_gen2d.F)
425      - add ctrl_cost_driver.F (replaces pkg/ecco/cost_genctrl.F)
426      - add ctrl_cost_gen2d.F (replaces pkg/ecco/cost_forcing_gen.F)
427    
428    checkpoint65d (2014/09/15)
429    o pkg/ctrl/CTRL_GENARR.h, ctrl_readparms.F :
430      - add xx_genarr2d_bounds,xx_genarr3d_bounds,
431        xx_genarr2d_numsmooth, xx_genarr3d_numsmooth
432    o pkg/ctrl/ctrl_map_ini_genarr.F :
433      - remove compilation failure
434      - replace hard coded example
435      - use ctrl_map_ini_gen2D, 3D
436    o pkg/ctrl/ctrl_pack.F, ctrl_unpack.F :
437      - on/off switch based upon xx_genarr2d_weight,3d
438    o src/packages_init_variables.F :
439      - regroup pkg/estimation calls
440      - remove CTRL_MAP_INI, CTRL_MAP_INI_ECCO
441        (moved to ctrl_init_variables)
442    o cost/cost_init_varia.F :
443      - remove ecco_cost_init_varia
444        (moved to ecco_init_varia)
445    o ctrl/ctrl_init_variables.F :
446      - add CTRL_MAP_INI, CTRL_MAP_INI_ECCO
447      - add CTRL_MAP_INI_GENARR, SEAICE_CTRL_MAP_INI
448    o ctrl/ctrl_map_ini.F :
449      - remove ctrl_map_ini_genarr, seaice_ctrl_map_ini
450        (moved to ctrl_init_variables)
451    o ctrl/ctrl_map_ini_ecco.F :
452      - remove ECCO_PHYS (mv to ecco_init_varia)
453      - remove seaice_ctrl_map_ini (mv to ctrl_init_variables)
454    o ecco/ecco_ad_diff.list :
455      - add ecco_init_varia.f
456    o ecco/ecco_init_varia.F
457      - new routine
458    o pkg/streamice:
459      - move call to STREAMICE_INITIALIZE_PETSC from the_model_main.F
460        to streamice_init_fixed.F ; fix setting of STREAMICEisOn.
461      - from model/src, only call pkg/streamice routines if useStreamIce is TRUE.
462    o pkg/generic_advdiff:
463      - fix bug causing negatives in GAD_SMOLARKIEWICZ_HACK, introduced 8/8/2014.
464    o pkg/exf:
465      - exf_getffields.F : add xxg_atemp, xxg_aqh, xxg_swdown, xxg_lwdown,
466         xxg_precip capability
467      - exf_wind.F : no need for ALLOW_WSPEED_CONTROL cpp switch
468    o pkg/ctrl:
469      - ctrl_pack.F, ctrl_unpack.F : omit (un)packing of undefined xx_gentim2d
470    o model/src/load_fields_driver.F :
471      - move call to CTRL_MAP_GENTIM2D ahead of BULKF_FIELDS_LOAD, EXF_GETFORCING
472        so xx_gentim2d can be applied to e.g. exf fields in a timely manner.
473    o OpenAD verification experiments:
474      - Include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h, and CTRL_OPTIONS.h
475        in src files (to enable to skip the ECCO_CPPOPTIONS.h);
476        for now, only in pkgs used in OpenAD verification experiments.
477      - Change all except one (halfpipe_streamice) OpenAD experiments to use pkg
478        specific option file (AUTODIFF_OPTIONS.h, COST_OPTIONS.h & CTRL_OPTIONS.h)
479        instead of using ECCO_CPPOPTIONS.h (with all relevant options in it).
480        This applies to both TAF (*/code_ad/) and OpenAD (*/code_oad/) tests.
481    o OpenAD verification tests:
482      - finish removing ALLOW_AUTODIFF_OPENAD (replaced by ALLOW_OPENAD);
483      - finish replacing ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for
484        tape/storage which are specific to TAF/TAMC) in pkgs used in OpenAD exp.
485      - leave ALLOW_AUTODIFF_TAMC undef in OpenAD verification tests (*/code_oad/)
486        and remove local copy of "tamc.h" (needed only if ALLOW_AUTODIFF_TAMC).
487    o model/src & generic_advdiff:
488      - change hard-coded loop-range in S/R APPLY_FORCING_T/S to set T & S
489        forcing over 0:sNx+1, 0:sNy=1 (instead of just 1:sNx,1:sNy): Model
490        dynamics requires valid tracer forcing only over tile interior but, for
491        some diagnostics, may need to extend it over 1 point in tile halo region.
492      - in gad_calc_rhs.F, update calls to gmredi_x/ytransport to get valid
493        tendency over i,j_Min,Max range. This allows to simplfy i,j_Min,Max
494        setting in temp/salt/ptracer_integrate.F
495    o pkg/dic:
496      - multiply tracer tendencies by maskInC (if ussing OBCS) before updating
497        gchem tracers: this allows to skip the 2nd call to OBCS_APPLY_PTRACER
498        in gchem_forcing_sep.F
499    o pkg/autodiff & obcs:
500      - add storage of current OB values for U & V (was already done for T & S).
501    
502    checkpoint65c (2014/08/30)
503    o pkg/dic:
504      - take out of dic_atmos.F the initialisation part (corresponding to istate=0)
505        and move it to new S/R DIC_INI_ATMOS ; also simplify the dependencies for
506        AD compilers (but still a Pb with multi-threading and Ajoint dependencies).
507    o verification:
508      - new experiment testing OBCS and DIC pkgs, using params & output from
509        tutorial_global_oce_biogeo but limited to a sub-domain around Drake
510        passage: take OBCS from the last year of a 2 yrs simulation and initial
511        conditions from t=1.yr while keeping the same forcing.
512    o model/src:
513      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
514        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
515    o pkg/diagnostics (Stats-Diags):
516      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
517        a) refine region where stats are computed, excluding where arrhFac=0 ;
518        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
519        c) extend regional stats over the region edges (for U or V pt location).
520    o pkg/gchem:
521      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
522        pkg/dic is currently changing/updating ptracers values beyond the OB).
523    o verification (hs94):
524      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
525        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
526        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
527        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
528    o pkg/ptracers:
529      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
530        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
531      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
532        with AB-2 code (so that it get tested).
533    o model/src:
534      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
535        with AB-2 code (previously only available with AB-3 code).
536        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
537        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
538        there, by calling CYCLE_AB_TRACER).
539    o pkg/generic_advdiff:
540      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
541        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
542        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
543        S/R temp/salt/ptracers_integrate.F
544    o model/src & pkg/ptracers:
545      - remove common block variables gT,gS (in DYNVARS.h), except when
546         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
547      - remove common block variable gPtr.
548    o model/src & pkgs:
549      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
550         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
551         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
552         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
553      + change accordingly all calling S/R.
554      - use local temperature/salinity/ptracer tendency array (without bi,bj)
555        in S/R temp/salt/ptracers_integrate.F
556    o pkg/seaice:
557      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
558        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
559      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
560        in seaice_lsr
561      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
562        in s/r seaice_lsr_calc_coeffs
563    o pkg/mdsio:
564      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
565        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
566        too long (e.g., > MAX_LEN_FNAM/2 )
567    
568    checkpoint65b (2014/08/12)
569    o pkg/matrix:
570      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
571    o model/src:
572      - fix initialisation of geothermalFile; compile geothermal-flux code in
573        natl_box verification experiment.
574    o model/src & pkg/down_slope:
575      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
576      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
577        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
578        results at machine truncation level: update output of experiments
579        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
580    o pkg/diagnostics (Stats-Diags):
581      - do not cumulate the full volume when DIAGNOSTICS_FILL is
582        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
583        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
584        times (but Min,Max and StD are still wrong).
585    o model/src:
586      - add geothermal flux forcing: read in ini_forcing.F as time-constant
587        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
588    o model/src:
589      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
590        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
591        arrays are already updated while adjustments (filters, conv.adjustment) are
592        still applied later, in S/R TRACERS_CORRECTION_STEP.
593    o model/src:
594      - store in common bloc array "rhoInSitu" the virtual potential temperature
595        anomaly that is used to compute geopotential: this make the atmos code
596        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
597    o pkg/seaice/seaice_lsr.F
598      - rename integer variable ilcall to ipass (that's what it is called
599        in the residual diagnostics
600      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
601        default) for improved non-linear convergence of the first few steps
602      - adjust a few comments and add new ones to explain some of the store
603        directives
604    o pkg/generic_advdiff (& ptracers):
605      - re-work the code to check for valid advection scheme and for minimum
606        size of overlap (now stored in local common bloc in gad_advscheme.F)
607    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
608      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
609      - add an auxilliary variable "bet" and fix store directives and keys in
610        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
611        less exact gradients in my tests); but there are still
612        recomputation warning (although gradients are sort of OK), when
613        SEAICE_LSR_VECTORIZE is not defined, so this flag and
614        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
615      - update verification experiments lab_sea.
616      - change some comments in S/R seaice_calc_viscosities
617    o model/src:
618      - if staggerTimeStep=T, always apply exchange to velocity field in
619        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
620        (independent of using multi-dim advection or not); no effect on FWD run
621        but affects AD results (at machine truncation level): update output of
622        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
623        and isomip (oad: 12.d).
624    o pkg/generic_advdiff:
625      - stop if doAB_onGtGs is set to FALSE but ignored
626      - refine warning related to stability of tracer time-stepping
627        regarding internal wave dynamics.
628      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
629        on staggerTimeStep & implicitIntGravWave (will now get a warning
630        if potentially unstable).
631    o pkg/kl10:
632      - add new pkg "kl10" for mixing due to internal wave breaking, from
633        http://www.sciencedirect.com/science/article/pii/S1463500310000144
634        (contribution from Jody Klymak), tested in verification experiment
635        verification/internal_wave/input.kl10/
636    o isomip experiment:
637      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
638        (input.htd) and update the output.
639    o cd_code experiments:
640      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
641        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
642        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
643        update the corresponding output.
644    o pkg/seaice:
645      - reduce the number of include files and store directives in
646        S/R seaice_lsr_tridiagu/v
647      - change the order of loops in one case in S/R seaice_lsr_tridiagv
648        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
649        get rid off one store directive (a TAF bug?)
650      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
651        S/R seaice_lsr_tridiagv to change the loop range for consistency
652      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
653      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
654        S/R seaice_lsr_tridiagu/v (requires update of
655        offline_exf_seaice/input.dyn_jfnk)
656    
657    checkpoint65a (2014/07/27)
658    o model/src:
659      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
660        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
661        (topo in p-coords, ice-shelf in z-coords); update output of experiments
662        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
663    o model/src:
664      - collect momentum forcing tendency into local 2-D array (passed as argument
665        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
666        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
667        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
668      - collect T & S forcing tendency into local 2-D array (passed as argument to
669        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
670        affects results at machine truncation level (e.g., ocean: if using
671        SHORTWAVE_HEATING ; atmos: if using FrictionHeating or (atm_Rq<>0) moist
672        correction due to vertical advection).
673      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
674        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
675        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
676        obcs_ctrl (ad & fwd grd @ 12 & 7).
677    o pkg/ptracers & diagnostics:
678      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
679        title (to avoid some unexpected truncation); sort out ptracers diags units.
680      - collect ptracer forcing tendency into local 2-D array (passed as argument
681        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
682    
683    checkpoint65 (2014/07/18)
684    o pkg/fizhi:
685      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
686        affects results at machine truncation level. Update output of experiments
687        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
688    o pkg/seaice: more clean up
689      - rename TAF common block tapes to be more consistent and remove
690        unnecessary duplicates
691      - add store directives to remove more recomputations, but use smaller
692        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
693        The idea behind this flag is to reduce the memory footprint when the
694        adjoint of the LSR is not required. As of now, defining the flag
695        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
696        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
697        For experiment offline_exf_seaice, this means on a linux box with gfortran
698        nearly a factor of 10 (but keep in mind there is mostly seaice code in
699        this experiment):
700        > size mitgcmuv_ad
701        text    data        bss     dec        hex
702        5100659 1216  220458952  225560827  d71c8fb
703        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
704        but only a moderate increase of 36% for global_ocean.cs32x15:
705        text    data        bss     dec        hex
706        6695027 1648 1014578664 1021275339 3cdf6ccb
707        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
708      - note: there are still recomputations in global_ocean.cs32x15 and
709        offline_exf_seaice and the gradient agreement changes (gets a
710        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
711      - in general, the AD gradients still are wrong
712    o OpenAD
713      - clean up code_oad/ directories somewhat by moving files
714        dontCompile, dontTransform, keepOriginal to OAD_support/
715    o model/src:
716      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
717        (not currently tested): add dissipation terms before NLFS rescaling of
718        tendencies (previously done after).
719    o pkg/diagnostics:
720      - write stats-diags in ascii file with more digits (same as in monitor).
721    o pkg/down_slope:
722      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
723        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
724    o model/src:
725      - new file "apply_forcing.F" containing all the code previously in
726        external_forcing.F, but with new argument list: pass, as new argument,
727        the current level tendency array to update (instead of a direct update
728        of the common bloc array). Change the corresponding calls.
729      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
730        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
731    o pkg/seaice/seaice_lsr, a little bit of clean up
732      - rearrange some code blocks, so that now all calculations for
733        setting up the right-hand-sides done within one single block
734        (I find that easier to read and understand)
735      - rearrange freedrift-code to reduce the number of ifdefs
736      - adjust some indentations and comments
737    
738    checkpoint64z (2014/07/10)
739    o model/src and several pkgs:
740      - change argument list of all S/R called from external_forcing.F and
741        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
742        to pass, as argument, the current level tendency array to update
743        (instead of a direct update of the common bloc array).
744      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
745      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
746    o pkg/seaice/seaice_lsr.F
747      - always initialize local arrays in seaice_lsr_tridiagu/v
748      - add more local tapes to seaice_lsr_tridiagu/v
749      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
750        keep it in bi/bj loop; this seems to be essential
751      - gradients are still wrong but only by 4-7 orders of magnitude
752        instead of 15 orders of magnitude, lab_sea improves a little
753    o pkg/seaice
754      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
755        generates unnecessary code in seaice_lsr_ad
756      - add more store directives in seaice_lsr to avoid unnecessary code
757        in seaice_lsr_ad
758      - exclude some residual computations in seaice_lsr when
759        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
760        in seaice_lsr_ad
761      - add more storing, a new tape (model/src/the_main_loop.F) and
762        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
763        and klockey should be checked by a specialist)
764      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
765        and update lab_sea after previous changes in pkg/seaice below
766    o pkg/autodiff:
767      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
768        viscFacInAd : run time parameters allowing for adjoint switches
769        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
770    o pkg/ecco:
771      - introduce cost_gencost_boxmean.F that computes a box mean
772        temperature (for use in adjoint sensitivity studies).
773    o model/src/set_defaults.F : initialize viscFacAdj to 1.
774    o pkg/mom_common/mom_calc_visc.F:
775      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
776    o pkg/seaice/seaice_summary.F:
777      - statement for SEAICEadjMODE now in autodiff_readparms.F
778    o pkg/seaice:
779      - remove some store directives and add new ones in an effort to get
780        finally rid off the recomputation warnings. This is successful
781        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
782        defined (i.e. no extensive recomputation warnings left), but there
783        are still too many recomputations on the solver iteration level
784      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
785      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
786        SEAICE_SIZE.h
787      - add a store directive in S/R seaice_calc_viscosities
788    o pkg/seaice (ITD code):
789      - fix definition of Hlimit for multi-threaded case
790      - use double precision arithmetic to compute Hlimit: this affects results;
791        update output of experiment seaice_itd.
792    o replace content of verification/seaice_itd
793      - instead of a 1D column use the configuration of offline_exf_seaice
794        to test the ice thickness distribution code with ridging
795      - this is a first shot at this experiment
796      - change of some defaults of ridging parameters SEAICEhStar (from
797        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
798        and lot of new comments.
799    
800    checkpoint64y (2014/06/20)
801    o pkg/seaice/seaice_reg_ridge.F:
802      - modify the regularization of very small volumes of ice; only check
803        total volume HEFF, and do not apply correction to individual ice
804        classes because that leads to funny patterns in the heat and fw-fluxes
805        into the ocean. Adjust seaice_itd/results/output.txt
806      - replace nITD by SEAICE_multDim in loop-ranges
807    o pkg/exf:
808      - add code to process the case field period = -12. with UV interpolation.
809      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
810        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
811    o verification/global_with_exf:
812      - switch all fields period to -12. (was previously untested) in input/data.exf
813        (but keep secondary test ".yearly" unchanged); update the reference output.
814    o pkg/cal:
815      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
816    o pkg/exf:
817      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
818        to replace logical switch "exf_verbose"
819      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
820    o pkg/sbo:
821      - update from Katherine Quinn: evaluate mass directly from density and SSH
822        (budget using Finite Volume method) instead of from bottom pressure.
823      - allow testreport to collect few selected SBO output ; tested in exp.
824        global_ocean.90x40x15 (after updating the results, to include SBO output).
825      - fix some multi-threading issues (in output part).
826    o model/src & most packages:
827      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
828      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
829        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
830        "data.{pkg}" exist ; and leave the S/R (return) just after.
831      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
832        + call LAND_READPARMS from packages_readparms.F
833    o pkg/seaice:
834      - remove code that resets useThSice in S/R seaice_readparms and
835        replace it by a warning in S/R seaice_check
836      - remove parameter MULTDIM, replace with nITD and runtime
837        parameter SEAICE_multDim (still hard-wired to nITD if
838        SEAICE_ITD is defined)
839    
840    checkpoint64x (2014/05/24)
841    o verification/lab_sea:
842      - update adjoint and TLM output following changes to pkg/salt_plume
843      - un-do the update after putting back local recip_Cp in few places.
844    o pkg/salt_plume: modifications by An Nguyen:
845      - add capability to do brine rejection (salt-plume) as function of
846        volume+tracers (instead of only salinity tracer).
847      - conserve volume by exchanging volume from each kLev to above to
848        accommodate in-coming brine volume
849      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
850      - switch KPP surf buoyancy due to brine forcing to 3-d
851        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
852      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
853      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
854        in East/West Arctic.
855    o pkg/sbo:
856      - incorporate modifications from Katherine Quinn to enable the use of sbo
857        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
858        output for future testreport verification (unfinished).
859    o pkg/atm_phys:
860      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
861        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
862        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
863    o pkg/seaice
864      seaice_calc_ice_strength.F: modify expression to avoid divisions
865        (affects truncation)
866      seaice_do_ridging.F: clean up the insectarium
867      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
868      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
869      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
870      - add some debugging information and error messages (warnings)
871    o model/src: modifications relatd to atmosphere p*:
872      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
873      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
874        of vertical profile tRef in geopotential background and anomaly.
875      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
876        and pkg/atm_phys.
877      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
878        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
879    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
880    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
881        not used right now, but can be used in BGC packages to fix conservation.
882    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
883        other packages too.
884    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
885        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
886    o model/src:
887      - since we have several heat capacity (even in model/src), define "recip_Cp"
888        as local variable (no longer in common block) to avoid any confusion.
889      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
890    o pkg/exf:
891      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
892        air density as function of air Temp, Humidity and atm pressure.
893    
894    checkpoint64w (2014/05/02)
895    o verification:
896      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
897        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
898        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
899        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
900        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
901    o model/src: for atmosphere in p* coords:
902      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
903      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
904        but not yet activated.
905    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
906      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
907      - this changes the results (but not for any verification experiment, because
908        none tests this), but avoids having an extra field in the restart files
909    o pkg/seaice: remove global variable TICE (not needed)
910      - replace by TICES or local variable where necessary (cost_seaice_test,
911        seaice_diagnostics_state)
912      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
913      - use specific read/write routines for reading and writing individual leves
914        of a multilevel field
915    o pkg/ctrl & model/inc:
916      - move additional anomaly fields of control vars (related to options:
917         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
918        from DYNVARS.h into new header file: CTRL_FIELDS.h
919    o pkg/seaice: some small modifications to the ridging code
920      - make fw2ObyRidge a global variable and add the freshwater flux to
921        seaice_growth
922      - pass actual thickness from seaice_prepare_ridging, so that it is
923        computed only in one place and compute it in the same way as in
924        seaice_growth
925      - initialise more fields in seaice_do_ridging that where cause floating
926        point exceptions over land
927    o pkg/seaice: preparations for ridging code and first real ridging code
928      - move most of "PART 1" of S/R seaice_growth into a new and separate
929        S/R seaice_reg_ridge that will both regularize the state variable after
930        advection call the actual ridging routine;
931      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
932        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
933      - remove ridging code from seaice_advdiff
934      - clean up remaining part 1 of seaice_growth in an attempt to make it
935        more readable (this is probably subjective)
936      - call seaice_itd_redist once in the initialisation phase to have the initial
937        conditions in the correct category
938      - finally: add new ridging routine for ITD code
939    
940    checkpoint64v (2014/04/11)
941    o pkg/ecco:
942      - add runtime parameters mdt[start,end]date[1,2]
943      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
944    o pkg/seaice:
945      - make deltaC a global variable, so that it can be used in ridging code
946      - first step towards ridging: introduce new routines that compute
947        ice strength based on ridging parameters
948      - add diagnostic for HSNOWITD
949      - add opnWtrFrac as a global variable (required for ridging scheme)
950    o pkg/salt_plume + pkg/seaice/seaice_growth.F
951      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
952        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
953    o verification/hs94.1x64x5:
954      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
955      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
956    o autodiff:
957      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
958        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
959        For now, only in pkgs used in verification/hs94.1x64x5.
960      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
961        which are specific to TAF/TAMC).
962      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
963        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
964        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
965      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
966        building mitgcmuv_ad (make adAll).
967    o pkg/ecco:
968      - cost_gencost_seaicev4.F:
969         reformulate proxy cost as function of sst and local param SEAICE_freeze
970         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
971      - add stop statement if old names siv4-[sst,vol] are used
972      - add snapshots + cost reports for atmospheric longwave
973      - remove factor 0.1 in front of wtau[u,v]
974      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
975         ALLOW_TMI_SST_COST_CONTRIBUTION
976    o pkg/atm_phys:
977      - add some diagnostics for Short-wave and for convection S/R.
978    o pkg/seaice/seaice_growth:
979      - fix a bug in the lateral melt parameterization for SEAICE_ITD
980        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
981      - rearrange loop order for better vector code in the same code block
982      - rewrite the floeDiameter formula to have fewer divisions
983      -  (miraculously) none of this changes the results of seaice_itd
984    o pkg/smooth:
985      - move param smooth2Ddiffnbt to pkg/ecco
986    o pkg/salt_plume:
987      - salt_plume_frac.F:
988         clean up local param names
989         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
990    o pkg/rw:
991      - add RS version of S/R READ_MFLDS_LEV.
992    o pkg/streamice:
993      - fix the restart test by writing/reading pickup_streamice files.
994    o pkg/seaice:
995      - refine checks for jfnk-related parameters
996      - comment out if statement with SEAICEuseIMEX parameter as long as there
997        is no IMEX code to avoid confusion and surprises
998    
999    checkpoint64u (2014/03/07)
1000    o verification/MLAdjust:
1001      - rename secondary test suffix:
1002         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
1003         0.leithD -> AhFlxF  + switch to flux-form
1004         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
1005         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
1006    o pkg/mom_vecinv:
1007      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
1008        to be before mom_calc_visc.F)
1009      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
1010      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
1011        this is simpler for the adjoint and for diagnostics.
1012    o model/src + pkg/momentum:
1013      - add input files for  2-D additional Western and Southern cell-edge wall
1014         (e.g., to add "thin-wall" where it is =1).
1015      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
1016        using 2nd hFacZ that is computed from initial (fix domain) hFac
1017      - known limitations of thin wall implementation: not yet coded for sigma
1018        coords; not working with CD-scheme neither.
1019    o pkg/seaice:
1020      - rename recently introduced parameters from (wrong name) AB to
1021        BDF (backward difference time discretisation)
1022      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
1023    o tools/adjoint_options:
1024      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
1025    
1026    checkpoint64t (2014/02/01)
1027    o pkg/ecco
1028      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
1029        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
1030      - replace hard-coded record number and period which only work for monthly
1031        with read-in runtime param that works for other periods (month,day,year)
1032    o pkg/thsice
1033      - corrected store directive fixes thsice adjoint gradient checks
1034    o genmake2 & testreport:
1035      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
1036        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
1037        Update testreport accordingly. No need to set "export OPENAD=true"
1038        in adjoint_options/adjoint_oad anymore (will be removed later).
1039    o pkg/shelfice:
1040      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
1041        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
1042        so that surface forcing applies to k=kSurf if using pkg/shelfice.
1043    o pkg/ctrl, pkg/grdchk, pkg/ecco:
1044      - Changes to make GENARR more modular (i.e. invisible if not used)
1045    o model/src/temp_integrate.F and salt_integrate.F
1046      - re-include store directives that were removed on Dec 27th.
1047    o model/src/external_forcing_surf.F
1048      - add storage directives for EmPmR and PmEpR to avoid recomputation of
1049        seaice_model in the adjoint that is problematic when seaice_model is
1050        turned off in the adjoint. The resolved issue dated back to July when
1051        EXTERNAL_FORCING_SURF call was moved.
1052        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
1053    o pkg/exf/exf_check.F
1054      - fix a small bug again (originally found by Wentao Liu, now found again)
1055      - streamline error output
1056    o pkg/streamice and aim_v23:
1057      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
1058        Apple's /usr/bin/cpp knows what to do:
1059        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
1060        Target: x86_64-apple-darwin13.0.0
1061    
1062    checkpoint64s (2014/01/05)
1063    o tools/adjoint_options:
1064      - switch to fastopt.net TAF server (instead of default fastopt.de) for
1065        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
1066    o model/src:
1067      - remove some unnecessary TAF storage directives in forward_step.F and
1068        in dynamics.F (note: not always removed by TAF, e.g., double storage
1069        of kappaRU,kappaRV in former version of dynamics.F).
1070    o model/src & pkg/ptracers:
1071      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
1072        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
1073        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
1074      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
1075      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
1076      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
1077    o useSingleCpuInput separates single-CPU input from single-CPU output;
1078        for now only implemented for in exf_interp_read.F
1079    o verification/advect_xy:
1080      - fix missing EXCH call in local version of ini_salt.F and update output.
1081    o momentum diagnostics:
1082      - fix which deltaT is used in Total-Tendency diagnostics.
1083      - fix typo in diagnostics for momentum tendency from AB.
1084    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
1085        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
1086    
1087    checkpoint64r (2013/12/08)
1088    o verification/*/results:
1089      - Update reference output of experiments that were passing with just 13 digits
1090         (make it easier to detect future changes in results)
1091    o model/src & pkg/ptracers:
1092      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
1093        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
1094        to inside ptracers_integrate.F ; remove ptracers_advection.F
1095    o coupling interface pkgs:
1096        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
1097      - change the config check to test the agreement of Ocean Depth
1098        with ATM land/sea mask (instead of ATM orography);
1099      - send to coupler the number of coupler time-steps to do for this run:
1100        this allows to check for consistency and don't need anymore to be
1101        specified in parameter file "data";
1102      in coupler:
1103      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
1104      - improve report to log-file of config setting (pass log-file unit to few S/R)
1105    o pkg/compon_communic:
1106      - add coupling send/receive for non-tiled integer vector;
1107      - add S/R to check and stop if any proc has an error (similar to
1108        eesupp/src/stop_if_error.F but single thread and across Comm_World).
1109    o pkg/exch2:
1110      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
1111        through list of all tiles my proc owns.
1112    o model/src:
1113      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
1114        from rTrans) to simplify dependencies (no need to store rTrans anymore in
1115        calling S/R); this affects AD results at machine truncation level:
1116        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
1117        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
1118    o tools/build_options:
1119      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
1120    o coupling interface pkgs:
1121        [compon_communic, atm_compon_interf & ocn_compon_interf]
1122      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
1123        to each S/R that needs it; remove un-used variables.
1124      - change component tile registration (cpl_register.F in both compon_interf
1125        and mitcomponent_tile_register.F) to pass the full list of tiles
1126        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
1127      - with pkg/exch2: adopt the same convention used for I/O to define mapping
1128        towards coupler global array (unless W2_useE2ioLayOut=F):
1129         a) can now use different tiling between atm & ocn comp.
1130         b) no needs to modify the run-Off map when changing tiling (was needed
1131            even if using the same tiling between atm & ocn).
1132         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
1133            full land tiles); not yet tested.
1134      - check for valid mapping from comp. tile to coupler global array
1135      - improve report of tile registration results to log file.
1136    o pkg/exch2:
1137      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
1138        tile-registration (CPL_REGISTER);
1139      - activate (un-comment) definition and setting of "W2_tileIndex" list to
1140        store the local bi,bj indices of each tile;
1141      - also print bi,bj in local report to log file;
1142      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
1143        Jun 2009 modif of pkg/exch2).
1144    o testing on baudelaire:
1145      - run 2 tests at a time: no significant slow down (since enough cpu) and
1146        get the full set of test done earlier
1147      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
1148    o model/src/thermodynamics.F and routines called from it:
1149      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
1150        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
1151        velocity (outp) by adding bolus velocity.
1152      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
1153        mass transport from velocity + lateral grid cell area
1154      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
1155      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
1156     in thermodynamics.F
1157      - remove k from thermodynamics.F and move it to temp_integrate.F
1158        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
1159        loop).
1160      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
1161        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
1162        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
1163        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
1164      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
1165        global_ocean.90x40x15, tutorial_global_oce_biogeo and
1166        tutorial_tracer_adjsens (+ TLM output).
1167    o tools/OAD_support and (verification/*/) code_oad:
1168      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
1169        module conversion ; remove unneeded CPP_EEOPTIONS.h.
1170      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
1171        version (closer to model/inc/CPP_OPTIONS.h).
1172    o model/src:
1173      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
1174        retired list of parameters (routine FREEZE has been replace by surface
1175        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
1176    o pkg/gmredi:
1177      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
1178        velocity (same scheme but affects machine truncation) for GM_AdvForm.
1179      - update output of FWD experiments: front_relax.bvp,
1180        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
1181    
1182    checkpoint64q (2013/11/17)
1183    o verification:
1184      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
1185        tutorial_global_oce_biogeo and global_ocean.90x40x15.
1186      - generate new output (growth & melt) for seaice_itd experiment after
1187        updating the input pickup_seaice files (previously wrong).
1188    o pkg/cost:
1189      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
1190        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
1191        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
1192          cannot be applied to var in common block).
1193        o allows to get results independent of tile-per-proc setting (if using
1194          slower GLOBAL_SUM_SEND_RECV option).
1195      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
1196        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
1197        forward gradients: update output).
1198      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
1199        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
1200    o pkg/mom_common:
1201      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
1202        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
1203        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
1204        ensure that all field value that are used are set.
1205    o tutorial_deep_convection (smag3d):
1206      - add missing scaling in mom_calc_smag_3d.F;
1207      - set smag3D_coeff in input.smag3d such that results do not change.
1208    o pkg/dic:
1209      - change dic_cost.F to compute cost on each tile first and then apply
1210        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
1211        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
1212      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
1213    o eesupp/src & pkg/mdsio:
1214      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
1215        (from pkg/mdsio) since they are no longer used for tape IO.
1216      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
1217        (+ keep a copy in pkg/atm_ocn_coupler).
1218    o verification/isomip:
1219      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
1220    o tools/build_options:
1221      - optfile linux_amd64_ifort11, fast (no ieee) case:
1222        to get a working restart for all experiments, add "-fp-model source"
1223        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
1224    
1225    checkpoint64p (2013/10/20)
1226    o pkg/autodiff:
1227      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
1228        criteria, return to simple (default) tape IO format.
1229    o pkg/mdsio (+ eesupp/src):
1230      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
1231        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
1232      - fix globalFile and singleCpuIO options using simpler global mapping.
1233      - new pairs of scatter/gather vector S/R (one for each type, generated from
1234        template) corresponding to simpler global mapping.
1235      - adread_write.F: switch to new S/R (but leave old calls commented) and write
1236        to globalFile when parameter globalFiles is set to True.
1237      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
1238    o pkg/autodiff:
1239      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
1240        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
1241        missing, just add a STOP if array type do not match.
1242    o pkg/exf:
1243      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
1244         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
1245         and rename array obsSIce to exf_iceFraction.
1246    o tutorial_deep_convection:
1247      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
1248        for now all in this exp. code dir.
1249      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
1250        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
1251    o eesupp/src:
1252      - added SINGLE_DISK_IO option because reading of parameter files on
1253        very large number of processors did not work with existing set-up
1254    
1255    checkpoint64o (2013/09/25)
1256    o pkg/atm_phys & atm_compon_interf:
1257      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
1258    o tools/build_options:
1259      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
1260        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
1261        remove CPP setting (was identical to genmake2 default).
1262    o pkg/gmredi & model/src: Some updating and work done on the residual model.
1263      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
1264      - fixed up the calculation of the eddy stress and how it is added to the
1265        external forcing via taueddy_external_forcing.F
1266      - at the moment, it is very experimental and only works with the variable eddy
1267        diffusivity calculated in gmredi_k3d.F
1268    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
1269        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
1270    o testreport (& tools/do_tst_2+2):
1271      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
1272    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
1273      - remove CPP='cpp -traditional -P' (this is genmake2 default)
1274      - add switch (for big setups) to use 'medium' memory-model (but leave it
1275        commented out for now). Note: needed with FC 19 to compile big setups.
1276    o pkg/atm_compon_interf:
1277      - regroup per field origin (model & pkgs) the coupling storage routines
1278         (which accumalate in time each coupling field)
1279      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
1280        update accordingly + simplify aim_do_physics.F
1281    
1282    checkpoint64n (2013/08/26)
1283    o pkg/bbl:
1284      - update formulation to reduce dispersion of tracer properties in bbl
1285      - replaced horizontal and vertical transport parameters with velocities
1286      - changes results for verification/global_with_exf.yearly
1287    o verification/halfpipe_streamice:
1288      - change to matrix construction; update both Fwd & AD output.
1289    o verification/tutorial_tracer_adjsens:
1290      - OpenAD test: switch to vector-invariant momentum since fluxform with
1291        rStar causes problems with OpenAD; update output.
1292    o tools:
1293      - genmake2: define a common prefix for all temp-file names ; move them
1294        to local /tmp disk (but would be easy to move them back);
1295      - xmakedepend: apply the same switch for temp-files.
1296    o pkg/offline:
1297      - changes for use with rStar (NLFS): assume that we continue to provide
1298        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
1299        output files) and apply r* scaling at each time-step (function of the time
1300        varying Eta field); use normal pickup files (needed for restart with NLFS).
1301    o adjoint with OpenAD:
1302      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
1303        package openad.  This package has to be compiled for all runs with OpenAD
1304        instead of specifying code_oad_all as a modification directory.
1305      - link the fortran templates from tools/OAD_support to the build directory
1306        for preprocessing to avoid conflicts between different setups compiled
1307        simultaneously and simplify cleanup.
1308    o pkg/exf:
1309      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
1310        main model or other pkgs are exchanged in EXF_MAPFIELDS).
1311    o model/src:
1312      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
1313        (similar to do_fields_blocking_exchanges.F).
1314    o tools/genmake2:
1315      - remove TAF output src code just before calling staf (when not doing a fresh
1316        built, will stop if things go wrong with staf).
1317      - fix target "adobj" (left from TAF version-2 transition)
1318    o pkg/diagnostics:
1319      - add a parameter to track the status of pkg/diagnostics activation;
1320        this replace/extend the use of logical param "settingDiags" (to check
1321        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
1322        New S/R to print error message and stop when pkgStatus is not right.
1323      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
1324    
1325    checkpoint64m (2013/08/13)
1326    o model/inc:
1327      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
1328        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
1329    o pkg/kpp & aim_v23:
1330      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1331    o pkg/seaice:
1332      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
1333        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
1334      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
1335    o eesupp/src:
1336      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
1337        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
1338    o switch to TAF version-2:
1339      - add flow directives to "freeze" naming convention for ad-routines that
1340        are used in I/O routines of adjoint state and associated common blocks
1341        that are used in adcommon.h (backward compatible with version-1)
1342      - update all ad-optfiles (in tools/adjoint_options + few local to some
1343        verification exp) to switch to latest TAF version (currently 2.5.5);
1344        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
1345        out except for diva).
1346      - the major change with TAF version-2 is that both the differentiated
1347        routines and the forward routines (new) are returned as part of the TAF
1348        output source code. Update genmake2 accordingly.
1349      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
1350        with version-2 when compared to TLM or FWD gradient); other experiments
1351        output show minor changes (machine truncation level); update the few AD &
1352        TLM output with 12 matching digits only (some prior to version-2 switch).
1353    
1354    checkpoint64l (2013/08/05)
1355    o model/src:
1356      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
1357      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
1358        when using TAF but only if using OpenAD.
1359    o pkg/mom_common+fluxform+vecinv:
1360      - always set horiz. viscosity arrays to background value before calling
1361        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
1362        only when using variable horiz. viscosity (useVariableVisc=T);
1363      - simplify mom_vecinv.F (only 1 block for momViscosity).
1364    o pkg/mom_common: variable horiz. viscosity in NH code
1365      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
1366        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
1367      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
1368        useBiharmonicVisc & useVariableVisc.
1369      - fix old bug (already in 1rst implementation of variable horizontal viscosity
1370        in calc_gw.F, version 1.27, 2006/06/20):
1371        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
1372        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
1373      - change background horiz viscosity in vertical momentum (gW) to always be
1374        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
1375        any type of variable viscosity, e.g., viscAh/4Grid)
1376      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
1377        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
1378        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
1379        default viscAh,viscA4 is zero).
1380    o model/src:
1381      - extend length of drC & recip_drC from Nr to Nr+1.
1382    o Divided Adjoint (DIVA) with MPI:
1383      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
1384      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
1385        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
1386    
1387    checkpoint64k (2013/07/23)
1388    o tools/OAD_support:
1389      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
1390        and remove it from genmake2.
1391    o tools/build_options:
1392      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
1393        MPI_HEADER_FILES list (let genmake2 find the missing headers)
1394    o verification/halfpipe_streamice:
1395      - change to driving stress formulation; update both Fwd & AD output.
1396    o tools/genmake2 and Divided Adjoint with MPI:
1397      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
1398      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
1399      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
1400        Makefile, which is set by genmake2, and check which mpi-headers are needed.
1401        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
1402      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
1403    o testreport:
1404      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
1405        perform additional runs (number of additional runs is "add_DIVA_runs" taken
1406        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
1407    o verification/lab_sea (AD test):
1408      - change to test Divided Adjoint Run in this set-up (both standard AD test
1409        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
1410    o pkg atm_ & ocn_compon_interf:
1411      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
1412        staggerTimeStep implementation) and disable (retired) corresponding
1413        parameter.
1414    o pkg/offline:
1415      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
1416      - add S/R OFFLINE_CHECK to print offline parameter summary
1417        and stop if loading a file that is not used;
1418      - enable to calculate GMRedi tensor, KPP mixing and convective index
1419        when the corresponding file(s) is/are not specified (but pkg is used).
1420      - comment out resetting of monitorFreq (to endTime) since it still useful
1421        for monitoring CFL numbers and checking offline fields.
1422    o OpenAD:
1423      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
1424        smaller standard output) and generate new (smaller) output (on baudelaire
1425        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
1426    o model/src:
1427      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
1428        (where external_forcing_adjust was called) and change list of arguments;
1429      - merge external_forcing_adjust.F into external_forcing_surf.F
1430      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
1431        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
1432        previously in file "balance_relax.F", now removed); remove corresponding
1433        arrays in FFIELDS.h.
1434      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
1435        a hack for getting back surfaceForcingS (loaded from file) when using
1436        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
1437      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
1438        (was getting only 11 digits for AD-grad, due to different truncation
1439         error in AD code).
1440    
1441    checkpoint64j (2013/07/04)
1442    o pkg/offline:
1443      - to enable the use of other features with pkg offline (e.g., obcs),
1444        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
1445      - comment out "allowFreezing" (now active) in 2 offline testing exp.
1446  o pkg/exf ALLOW_RUNOFTEMP  o pkg/exf ALLOW_RUNOFTEMP
1447    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
1448    - added RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice    - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
1449    - changes verification/global_ocean.cs32x15/results/output.seaice.txt    - changes verification/global_ocean.cs32x15/results/output.seaice.txt
1450  o pkg/atm_phys:  o pkg/atm_phys:
1451    - 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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