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revision 1.1889 by dimitri, Mon Jul 1 16:55:57 2013 UTC revision 1.2053 by jmc, Tue Aug 26 15:27:38 2014 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o model/src:
8      - when allowFreezing=T, only reset below freezing initial Temp to Tfreezing
9        (at any k) if checkIniTemp is not set to FALSE (default checkIniTemp=T).
10    o pkg/diagnostics (Stats-Diags):
11      - re-write S/R DIAGSTATS_CALC (more similar to TARGET_NEC_SX part) to:
12        a) refine region where stats are computed, excluding where arrhFac=0 ;
13        b) fix missing interior mask (use with OBCS) in 3-D fields statistics;
14        c) extend regional stats over the region edges (for U or V pt location).
15    o pkg/gchem:
16      - add a (2nd) call to OBCS_APPLY_PTRACER in gchem_forcing_sep.F (needed since
17        pkg/dic is currently changing/updating ptracers values beyond the OB).
18    o verification (hs94):
19      - convert Held & Suarez external_forcing.F (from hs94.cs, with Sigma-coords
20        bits) to apply_forcing.F and undef USE_OLD_EXTERNAL_FORCING in experiments
21        hs94.cs-32x32x5 and tutorial_held_suarez_cs ; also use the same version of
22        apply_forcing.F in 2D hs94 (fwd, ad & oad) but keep LatLon hs94 unchanged.
23    o pkg/ptracers:
24      - implement Adams-Bashforth on pTracers (instead of on tracer tendency),
25        switched on by setting PTRACERS_doAB_onGpTr=F (default set to doAB_onGtGs)
26      - change exp4 secondary test (input.nlfs) to test AB on T & S & pTracer
27        with AB-2 code (so that it get tested).
28    o model/src:
29      - allow to apply Adams-Bashforth on Temp & Salt (instead of on gT,gS)
30        with AB-2 code (previously only available with AB-3 code).
31        Also move the code (call to ADAMS_BASHFORTH S/R) form thermodynamics.F
32        to temp/salt_integrate.F (since the 2nd part of gt/sNm1 update is done
33        there, by calling CYCLE_AB_TRACER).
34    o pkg/generic_advdiff:
35      - change Tracer argument (drop bi,bj indices) in S/R GAD_CALC_RHS,
36        GAD_C2_ADV_R, GAD_U3_ADV_R, GAD_C4_ADV_R, GAD_DIFF_R, GAD_BIHARM_R
37        + also in GMREDI_X/Y/RTRANSPORT ; and update corresponding calls in
38        S/R temp/salt/ptracers_integrate.F
39    o model/src & pkg/ptracers:
40      - remove common block variables gT,gS (in DYNVARS.h), except when
41         USE_OLD_EXTERNAL_FORCING is defined; update TAF storage accordingly.
42      - remove common block variable gPtr.
43    o model/src & pkgs:
44      - change gTracer (and/or tracer) argument (drop bi,bj indices) in S/R
45         ADAMS_BASHFORTH(2&3), CYCLE_(AB_)TRACER, FREESURF_RESCALE_G,
46         IMPLDIFF, SOLVE_TRIDIAGONAL & _PENTADIAGONAL, GAD_SOM_ADVECT,
47         GAD_ADVECTION, GAD_CALC_RHS, GAD_IMPLICIT_R, TIMEAVE_CUMUL_DIF_1T
48      + change accordingly all calling S/R.
49      - use local temperature/salinity/ptracer tendency array (without bi,bj)
50        in S/R temp/salt/ptracers_integrate.F
51    o pkg/seaice:
52      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
53        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
54      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
55        in seaice_lsr
56      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
57        in s/r seaice_lsr_calc_coeffs
58    o pkg/mdsio:
59      - in MDS_READ/WRITE_FIELD, stop if file-name (+prefix) is too long
60        (e.g., > MAX_LEN_MBUF -90 ) or, in INI_MODEL_IO, if mdsioLocalDir is
61        too long (e.g., > MAX_LEN_FNAM/2 )
62    
63    checkpoint65b (2014/08/12)
64    o pkg/matrix:
65      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
66    o model/src:
67      - fix initialisation of geothermalFile; compile geothermal-flux code in
68        natl_box verification experiment.
69    o model/src & pkg/down_slope:
70      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
71      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
72        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
73        results at machine truncation level: update output of experiments
74        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
75    o pkg/diagnostics (Stats-Diags):
76      - do not cumulate the full volume when DIAGNOSTICS_FILL is
77        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
78        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
79        times (but Min,Max and StD are still wrong).
80    o model/src:
81      - add geothermal flux forcing: read in ini_forcing.F as time-constant
82        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
83    o model/src:
84      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
85        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
86        arrays are already updated while adjustments (filters, conv.adjustment) are
87        still applied later, in S/R TRACERS_CORRECTION_STEP.
88    o model/src:
89      - store in common bloc array "rhoInSitu" the virtual potential temperature
90        anomaly that is used to compute geopotential: this make the atmos code
91        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
92    o pkg/seaice/seaice_lsr.F
93      - rename integer variable ilcall to ipass (that's what it is called
94        in the residual diagnostics
95      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
96        default) for improved non-linear convergence of the first few steps
97      - adjust a few comments and add new ones to explain some of the store
98        directives
99    o pkg/generic_advdiff (& ptracers):
100      - re-work the code to check for valid advection scheme and for minimum
101        size of overlap (now stored in local common bloc in gad_advscheme.F)
102    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
103      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
104      - add an auxilliary variable "bet" and fix store directives and keys in
105        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
106        less exact gradients in my tests); but there are still
107        recomputation warning (although gradients are sort of OK), when
108        SEAICE_LSR_VECTORIZE is not defined, so this flag and
109        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
110      - update verification experiments lab_sea.
111      - change some comments in S/R seaice_calc_viscosities
112    o model/src:
113      - if staggerTimeStep=T, always apply exchange to velocity field in
114        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
115        (independent of using multi-dim advection or not); no effect on FWD run
116        but affects AD results (at machine truncation level): update output of
117        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
118        and isomip (oad: 12.d).
119    o pkg/generic_advdiff:
120      - stop if doAB_onGtGs is set to FALSE but ignored
121      - refine warning related to stability of tracer time-stepping
122        regarding internal wave dynamics.
123      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
124        on staggerTimeStep & implicitIntGravWave (will now get a warning
125        if potentially unstable).
126    o pkg/kl10:
127      - add new pkg "kl10" for mixing due to internal wave breaking, from
128        http://www.sciencedirect.com/science/article/pii/S1463500310000144
129        (contribution from Jody Klymak), tested in verification experiment
130        verification/internal_wave/input.kl10/
131    o isomip experiment:
132      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
133        (input.htd) and update the output.
134    o cd_code experiments:
135      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
136        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
137        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
138        update the corresponding output.
139    o pkg/seaice:
140      - reduce the number of include files and store directives in
141        S/R seaice_lsr_tridiagu/v
142      - change the order of loops in one case in S/R seaice_lsr_tridiagv
143        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
144        get rid off one store directive (a TAF bug?)
145      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
146        S/R seaice_lsr_tridiagv to change the loop range for consistency
147      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
148      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
149        S/R seaice_lsr_tridiagu/v (requires update of
150        offline_exf_seaice/input.dyn_jfnk)
151    
152    checkpoint65a (2014/07/27)
153    o model/src:
154      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
155        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
156        (topo in p-coords, ice-shelf in z-coords); update output of experiments
157        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
158    o model/src:
159      - collect momentum forcing tendency into local 2-D array (passed as argument
160        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
161        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
162        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
163      - collect T & S forcing tendency into local 2-D array (passed as argument to
164        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
165        affects results at machine truncation level (e.g., ocean: if using
166        SHORTWAVE_HEATING and atmos:, if using FrictionHeating or (atm_Rq<>0)
167        moist correction due to vertical advection).
168      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
169        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
170        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
171        obcs_ctrl (ad & fwd grd @ 12 & 7).
172    o pkg/ptracers & diagnostics:
173      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
174        title (to avoid some unexpected truncation); sort out ptracers diags units.
175      - collect ptracer forcing tendency into local 2-D array (passed as argument
176        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
177    
178    checkpoint65 (2014/07/18)
179    o pkg/fizhi:
180      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
181        affects results at machine truncation level. Update output of experiments
182        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
183    o pkg/seaice: more clean up
184      - rename TAF common block tapes to be more consistent and remove
185        unnecessary duplicates
186      - add store directives to remove more recomputations, but use smaller
187        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
188        The idea behind this flag is to reduce the memory footprint when the
189        adjoint of the LSR is not required. As of now, defining the flag
190        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
191        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
192        For experiment offline_exf_seaice, this means on a linux box with gfortran
193        nearly a factor of 10 (but keep in mind there is mostly seaice code in
194        this experiment):
195        > size mitgcmuv_ad
196        text    data        bss     dec        hex  
197        5100659 1216  220458952  225560827  d71c8fb
198        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
199        but only a moderate increase of 36% for global_ocean.cs32x15:
200        text    data        bss     dec        hex
201        6695027 1648 1014578664 1021275339 3cdf6ccb
202        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
203      - note: there are still recomputations in global_ocean.cs32x15 and
204        offline_exf_seaice and the gradient agreement changes (gets a
205        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
206      - in general, the AD gradients still are wrong
207    o OpenAD
208      - clean up code_oad/ directories somewhat by moving files
209        dontCompile, dontTransform, keepOriginal to OAD_support/
210    o model/src:
211      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
212        (not currently tested): add dissipation terms before NLFS rescaling of
213        tendencies (previously done after).
214    o pkg/diagnostics:
215      - write stats-diags in ascii file with more digits (same as in monitor).
216    o pkg/down_slope:
217      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
218        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
219    o model/src:
220      - new file "apply_forcing.F" containing all the code previously in
221        external_forcing.F, but with new argument list: pass, as new argument,
222        the current level tendency array to update (instead of a direct update
223        of the common bloc array). Change the corresponding calls.
224      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
225        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
226    o pkg/seaice/seaice_lsr, a little bit of clean up
227      - rearrange some code blocks, so that now all calculations for
228        setting up the right-hand-sides done within one single block
229        (I find that easier to read and understand)
230      - rearrange freedrift-code to reduce the number of ifdefs
231      - adjust some indentations and comments
232    
233    checkpoint64z (2014/07/10)
234    o model/src and several pkgs:
235      - change argument list of all S/R called from external_forcing.F and
236        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
237        to pass, as argument, the current level tendency array to update
238        (instead of a direct update of the common bloc array).
239      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
240      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
241    o pkg/seaice/seaice_lsr.F
242      - always initialize local arrays in seaice_lsr_tridiagu/v
243      - add more local tapes to seaice_lsr_tridiagu/v
244      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
245        keep it in bi/bj loop; this seems to be essential
246      - gradients are still wrong but only by 4-7 orders of magnitude
247        instead of 15 orders of magnitude, lab_sea improves a little
248    o pkg/seaice
249      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
250        generates unnecessary code in seaice_lsr_ad
251      - add more store directives in seaice_lsr to avoid unnecessary code
252        in seaice_lsr_ad
253      - exclude some residual computations in seaice_lsr when
254        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
255        in seaice_lsr_ad
256      - add more storing, a new tape (model/src/the_main_loop.F) and
257        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
258        and klockey should be checked by a specialist)
259      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
260        and update lab_sea after previous changes in pkg/seaice below
261    o pkg/autodiff:
262      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
263        viscFacInAd : run time parameters allowing for adjoint switches
264        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
265    o pkg/ecco:
266      - introduce cost_gencost_boxmean.F that computes a box mean
267        temperature (for use in adjoint sensitivity studies).
268    o model/src/set_defaults.F : initialize viscFacAdj to 1.
269    o pkg/mom_common/mom_calc_visc.F:
270      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
271    o pkg/seaice/seaice_summary.F:
272      - statement for SEAICEadjMODE now in autodiff_readparms.F
273    o pkg/seaice:
274      - remove some store directives and add new ones in an effort to get
275        finally rid off the recomputation warnings. This is successful
276        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
277        defined (i.e. no extensive recomputation warnings left), but there
278        are still too many recomputations on the solver iteration level
279      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
280      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
281        SEAICE_SIZE.h
282      - add a store directive in S/R seaice_calc_viscosities
283    o pkg/seaice (ITD code):
284      - fix definition of Hlimit for multi-threaded case
285      - use double precision arithmetic to compute Hlimit: this affects results;
286        update output of experiment seaice_itd.
287    o replace content of verification/seaice_itd
288      - instead of a 1D column use the configuration of offline_exf_seaice
289        to test the ice thickness distribution code with ridging
290      - this is a first shot at this experiment
291      - change of some defaults of ridging parameters SEAICEhStar (from
292        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
293        and lot of new comments.
294    
295    checkpoint64y (2014/06/20)
296    o pkg/seaice/seaice_reg_ridge.F:
297      - modify the regularization of very small volumes of ice; only check
298        total volume HEFF, and do not apply correction to individual ice
299        classes because that leads to funny patterns in the heat and fw-fluxes
300        into the ocean. Adjust seaice_itd/results/output.txt
301      - replace nITD by SEAICE_multDim in loop-ranges
302    o pkg/exf:
303      - add code to process the case field period = -12. with UV interpolation.
304      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
305        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
306    o verification/global_with_exf:
307      - switch all fields period to -12. (was previously untested) in input/data.exf
308        (but keep secondary test ".yearly" unchanged); update the reference output.
309    o pkg/cal:
310      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
311    o pkg/exf:
312      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
313        to replace logical switch "exf_verbose"
314      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
315    o pkg/sbo:
316      - update from Katherine Quinn: evaluate mass directly from density and SSH
317        (budget using Finite Volume method) instead of from bottom pressure.
318      - allow testreport to collect few selected SBO output ; tested in exp.
319        global_ocean.90x40x15 (after updating the results, to include SBO output).
320      - fix some multi-threading issues (in output part).
321    o model/src & most packages:
322      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
323      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
324        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
325        "data.{pkg}" exist ; and leave the S/R (return) just after.
326      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
327        + call LAND_READPARMS from packages_readparms.F
328    o pkg/seaice:
329      - remove code that resets useThSice in S/R seaice_readparms and
330        replace it by a warning in S/R seaice_check
331      - remove parameter MULTDIM, replace with nITD and runtime
332        parameter SEAICE_multDim (still hard-wired to nITD if
333        SEAICE_ITD is defined)
334    
335    checkpoint64x (2014/05/24)
336    o verification/lab_sea:
337      - update adjoint and TLM output following changes to pkg/salt_plume
338      - un-do the update after putting back local recip_Cp in few places.
339    o pkg/salt_plume: modifications by An Nguyen:
340      - add capability to do brine rejection (salt-plume) as function of
341        volume+tracers (instead of only salinity tracer).
342      - conserve volume by exchanging volume from each kLev to above to
343        accommodate in-coming brine volume
344      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
345      - switch KPP surf buoyancy due to brine forcing to 3-d
346        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
347      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
348      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
349        in East/West Arctic.
350    o pkg/sbo:
351      - incorporate modifications from Katherine Quinn to enable the use of sbo
352        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
353        output for future testreport verification (unfinished).
354    o pkg/atm_phys:
355      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
356        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
357        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
358    o pkg/seaice
359      seaice_calc_ice_strength.F: modify expression to avoid divisions
360        (affects truncation)
361      seaice_do_ridging.F: clean up the insectarium
362      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
363      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
364      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
365      - add some debugging information and error messages (warnings)
366    o model/src: modifications relatd to atmosphere p*:
367      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
368      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
369        of vertical profile tRef in geopotential background and anomaly.
370      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
371        and pkg/atm_phys.
372      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
373        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
374    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
375    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
376        not used right now, but can be used in BGC packages to fix conservation.
377    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
378        other packages too.
379    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
380        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
381    o model/src:
382      - since we have several heat capacity (even in model/src), define "recip_Cp"
383        as local variable (no longer in common block) to avoid any confusion.
384      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
385    o pkg/exf:
386      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
387        air density as function of air Temp, Humidity and atm pressure.
388    
389    checkpoint64w (2014/05/02)
390    o verification:
391      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
392        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
393        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
394        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
395        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
396    o model/src: for atmosphere in p* coords:
397      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
398      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
399        but not yet activated.
400    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
401      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
402      - this changes the results (but not for any verification experiment, because
403        none tests this), but avoids having an extra field in the restart files
404    o pkg/seaice: remove global variable TICE (not needed)
405      - replace by TICES or local variable where necessary (cost_seaice_test,
406        seaice_diagnostics_state)
407      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
408      - use specific read/write routines for reading and writing individual leves
409        of a multilevel field
410    o pkg/ctrl & model/inc:
411      - move additional anomaly fields of control vars (related to options:
412         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
413        from DYNVARS.h into new header file: CTRL_FIELDS.h
414    o pkg/seaice: some small modifications to the ridging code
415      - make fw2ObyRidge a global variable and add the freshwater flux to
416        seaice_growth
417      - pass actual thickness from seaice_prepare_ridging, so that it is
418        computed only in one place and compute it in the same way as in
419        seaice_growth
420      - initialise more fields in seaice_do_ridging that where cause floating
421        point exceptions over land
422    o pkg/seaice: preparations for ridging code and first real ridging code
423      - move most of "PART 1" of S/R seaice_growth into a new and separate
424        S/R seaice_reg_ridge that will both regularize the state variable after
425        advection call the actual ridging routine;
426      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
427        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
428      - remove ridging code from seaice_advdiff
429      - clean up remaining part 1 of seaice_growth in an attempt to make it
430        more readable (this is probably subjective)
431      - call seaice_itd_redist once in the initialisation phase to have the initial
432        conditions in the correct category
433      - finally: add new ridging routine for ITD code
434    
435    checkpoint64v (2014/04/11)
436    o pkg/ecco:
437      - add runtime parameters mdt[start,end]date[1,2]
438      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
439    o pkg/seaice:
440      - make deltaC a global variable, so that it can be used in ridging code
441      - first step towards ridging: introduce new routines that compute
442        ice strength based on ridging parameters
443      - add diagnostic for HSNOWITD
444      - add opnWtrFrac as a global variable (required for ridging scheme)
445    o pkg/salt_plume + pkg/seaice/seaice_growth.F
446      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
447        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
448    o verification/hs94.1x64x5:
449      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
450      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
451    o autodiff:
452      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
453        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
454        For now, only in pkgs used in verification/hs94.1x64x5.
455      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
456        which are specific to TAF/TAMC).
457      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
458        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
459        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
460      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
461        building mitgcmuv_ad (make adAll).
462    o pkg/ecco:
463      - cost_gencost_seaicev4.F:
464         reformulate proxy cost as function of sst and local param SEAICE_freeze
465         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
466      - add stop statement if old names siv4-[sst,vol] are used
467      - add snapshots + cost reports for atmospheric longwave
468      - remove factor 0.1 in front of wtau[u,v]
469      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
470         ALLOW_TMI_SST_COST_CONTRIBUTION
471    o pkg/atm_phys:
472      - add some diagnostics for Short-wave and for convection S/R.
473    o pkg/seaice/seaice_growth:
474      - fix a bug in the lateral melt parameterization for SEAICE_ITD
475        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
476      - rearrange loop order for better vector code in the same code block
477      - rewrite the floeDiameter formula to have fewer divisions
478      -  (miraculously) none of this changes the results of seaice_itd
479    o pkg/smooth:
480      - move param smooth2Ddiffnbt to pkg/ecco
481    o pkg/salt_plume:
482      - salt_plume_frac.F:
483         clean up local param names
484         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
485    o pkg/rw:
486      - add RS version of S/R READ_MFLDS_LEV.
487    o pkg/streamice:
488      - fix the restart test by writing/reading pickup_streamice files.
489    o pkg/seaice:
490      - refine checks for jfnk-related parameters
491      - comment out if statement with SEAICEuseIMEX parameter as long as there
492        is no IMEX code to avoid confusion and surprises
493    
494    checkpoint64u (2014/03/07)
495    o verification/MLAdjust:
496      - rename secondary test suffix:
497         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
498         0.leithD -> AhFlxF  + switch to flux-form
499         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
500         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
501    o pkg/mom_vecinv:
502      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
503        to be before mom_calc_visc.F)
504      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
505      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
506        this is simpler for the adjoint and for diagnostics.
507    o model/src + pkg/momentum:
508      - add input files for  2-D additional Western and Southern cell-edge wall
509         (e.g., to add "thin-wall" where it is =1).
510      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
511        using 2nd hFacZ that is computed from initial (fix domain) hFac
512      - known limitations of thin wall implementation: not yet coded for sigma
513        coords; not working with CD-scheme neither.
514    o pkg/seaice:
515      - rename recently introduced parameters from (wrong name) AB to
516        BDF (backward difference time discretisation)
517      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
518    o tools/adjoint_options:
519      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
520    
521    checkpoint64t (2014/02/01)
522    o pkg/ecco
523      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
524        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
525      - replace hard-coded record number and period which only work for monthly
526        with read-in runtime param that works for other periods (month,day,year)
527    o pkg/thsice
528      - corrected store directive fixes thsice adjoint gradient checks
529    o genmake2 & testreport:
530      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
531        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
532        Update testreport accordingly. No need to set "export OPENAD=true"
533        in adjoint_options/adjoint_oad anymore (will be removed later).
534    o pkg/shelfice:
535      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
536        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
537        so that surface forcing applies to k=kSurf if using pkg/shelfice.
538    o pkg/ctrl, pkg/grdchk, pkg/ecco:
539      - Changes to make GENARR more modular (i.e. invisible if not used)
540    o model/src/temp_integrate.F and salt_integrate.F
541      - re-include store directives that were removed on Dec 27th.
542    o model/src/external_forcing_surf.F
543      - add storage directives for EmPmR and PmEpR to avoid recomputation of
544        seaice_model in the adjoint that is problematic when seaice_model is
545        turned off in the adjoint. The resolved issue dated back to July when
546        EXTERNAL_FORCING_SURF call was moved.
547        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
548    o pkg/exf/exf_check.F
549      - fix a small bug again (originally found by Wentao Liu, now found again)
550      - streamline error output
551    o pkg/streamice and aim_v23:
552      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
553        Apple's /usr/bin/cpp knows what to do:
554        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
555        Target: x86_64-apple-darwin13.0.0
556    
557    checkpoint64s (2014/01/05)
558    o tools/adjoint_options:
559      - switch to fastopt.net TAF server (instead of default fastopt.de) for
560        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
561    o model/src:
562      - remove some unnecessary TAF storage directives in forward_step.F and
563        in dynamics.F (note: not always removed by TAF, e.g., double storage
564        of kappaRU,kappaRV in former version of dynamics.F).
565    o model/src & pkg/ptracers:
566      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
567        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
568        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
569      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
570      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
571      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
572    o useSingleCpuInput separates single-CPU input from single-CPU output;
573        for now only implemented for in exf_interp_read.F
574    o verification/advect_xy:
575      - fix missing EXCH call in local version of ini_salt.F and update output.
576    o momentum diagnostics:
577      - fix which deltaT is used in Total-Tendency diagnostics.
578      - fix typo in diagnostics for momentum tendency from AB.
579    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
580        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
581    
582    checkpoint64r (2013/12/08)
583    o verification/*/results:
584      - Update reference output of experiments that were passing with just 13 digits
585         (make it easier to detect future changes in results)
586    o model/src & pkg/ptracers:
587      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
588        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
589        to inside ptracers_integrate.F ; remove ptracers_advection.F
590    o coupling interface pkgs:
591        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
592      - change the config check to test the agreement of Ocean Depth
593        with ATM land/sea mask (instead of ATM orography);
594      - send to coupler the number of coupler time-steps to do for this run:
595        this allows to check for consistency and don't need anymore to be
596        specified in parameter file "data";
597      in coupler:
598      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
599      - improve report to log-file of config setting (pass log-file unit to few S/R)
600    o pkg/compon_communic:
601      - add coupling send/receive for non-tiled integer vector;
602      - add S/R to check and stop if any proc has an error (similar to
603        eesupp/src/stop_if_error.F but single thread and across Comm_World).
604    o pkg/exch2:
605      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
606        through list of all tiles my proc owns.
607    o model/src:
608      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
609        from rTrans) to simplify dependencies (no need to store rTrans anymore in
610        calling S/R); this affects AD results at machine truncation level:
611        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
612        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
613    o tools/build_options:
614      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
615    o coupling interface pkgs:
616        [compon_communic, atm_compon_interf & ocn_compon_interf]
617      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
618        to each S/R that needs it; remove un-used variables.
619      - change component tile registration (cpl_register.F in both compon_interf
620        and mitcomponent_tile_register.F) to pass the full list of tiles
621        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
622      - with pkg/exch2: adopt the same convention used for I/O to define mapping
623        towards coupler global array (unless W2_useE2ioLayOut=F):
624         a) can now use different tiling between atm & ocn comp.
625         b) no needs to modify the run-Off map when changing tiling (was needed
626            even if using the same tiling between atm & ocn).
627         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
628            full land tiles); not yet tested.
629      - check for valid mapping from comp. tile to coupler global array
630      - improve report of tile registration results to log file.
631    o pkg/exch2:
632      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
633        tile-registration (CPL_REGISTER);
634      - activate (un-comment) definition and setting of "W2_tileIndex" list to
635        store the local bi,bj indices of each tile;
636      - also print bi,bj in local report to log file;
637      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
638        Jun 2009 modif of pkg/exch2).
639    o testing on baudelaire:
640      - run 2 tests at a time: no significant slow down (since enough cpu) and
641        get the full set of test done earlier
642      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
643    o model/src/thermodynamics.F and routines called from it:
644      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
645        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
646        velocity (outp) by adding bolus velocity.
647      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
648        mass transport from velocity + lateral grid cell area
649      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
650      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
651     in thermodynamics.F
652      - remove k from thermodynamics.F and move it to temp_integrate.F
653        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
654        loop).
655      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
656        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
657        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
658        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
659      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
660        global_ocean.90x40x15, tutorial_global_oce_biogeo and
661        tutorial_tracer_adjsens (+ TLM output).
662    o tools/OAD_support and (verification/*/) code_oad:
663      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
664        module conversion ; remove unneeded CPP_EEOPTIONS.h.
665      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
666        version (closer to model/inc/CPP_OPTIONS.h).
667    o model/src:
668      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
669        retired list of parameters (routine FREEZE has been replace by surface
670        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
671    o pkg/gmredi:
672      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
673        velocity (same scheme but affects machine truncation) for GM_AdvForm.
674      - update output of FWD experiments: front_relax.bvp,
675        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
676    
677    checkpoint64q (2013/11/17)
678    o verification:
679      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
680        tutorial_global_oce_biogeo and global_ocean.90x40x15.
681      - generate new output (growth & melt) for seaice_itd experiment after
682        updating the input pickup_seaice files (previously wrong).
683    o pkg/cost:
684      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
685        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
686        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
687          cannot be applied to var in common block).
688        o allows to get results independent of tile-per-proc setting (if using
689          slower GLOBAL_SUM_SEND_RECV option).
690      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
691        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
692        forward gradients: update output).
693      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
694        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
695    o pkg/mom_common:
696      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
697        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
698        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
699        ensure that all field value that are used are set.
700    o tutorial_deep_convection (smag3d):
701      - add missing scaling in mom_calc_smag_3d.F;
702      - set smag3D_coeff in input.smag3d such that results do not change.
703    o pkg/dic:
704      - change dic_cost.F to compute cost on each tile first and then apply
705        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
706        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
707      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
708    o eesupp/src & pkg/mdsio:
709      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
710        (from pkg/mdsio) since they are no longer used for tape IO.
711      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
712        (+ keep a copy in pkg/atm_ocn_coupler).
713    o verification/isomip:
714      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
715    o tools/build_options:
716      - optfile linux_amd64_ifort11, fast (no ieee) case:
717        to get a working restart for all experiments, add "-fp-model source"
718        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
719    
720    checkpoint64p (2013/10/20)
721    o pkg/autodiff:
722      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
723        criteria, return to simple (default) tape IO format.
724    o pkg/mdsio (+ eesupp/src):
725      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
726        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
727      - fix globalFile and singleCpuIO options using simpler global mapping.
728      - new pairs of scatter/gather vector S/R (one for each type, generated from
729        template) corresponding to simpler global mapping.
730      - adread_write.F: switch to new S/R (but leave old calls commented) and write
731        to globalFile when parameter globalFiles is set to True.
732      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
733    o pkg/autodiff:
734      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
735        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
736        missing, just add a STOP if array type do not match.
737    o pkg/exf:
738      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
739         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
740         and rename array obsSIce to exf_iceFraction.
741    o tutorial_deep_convection:
742      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
743        for now all in this exp. code dir.
744      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
745        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
746    o eesupp/src:
747      - added SINGLE_DISK_IO option because reading of parameter files on
748        very large number of processors did not work with existing set-up
749    
750    checkpoint64o (2013/09/25)
751    o pkg/atm_phys & atm_compon_interf:
752      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
753    o tools/build_options:
754      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
755        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
756        remove CPP setting (was identical to genmake2 default).
757    o pkg/gmredi & model/src: Some updating and work done on the residual model.
758      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
759      - fixed up the calculation of the eddy stress and how it is added to the
760        external forcing via taueddy_external_forcing.F
761      - at the moment, it is very experimental and only works with the variable eddy
762        diffusivity calculated in gmredi_k3d.F
763    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
764        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
765    o testreport (& tools/do_tst_2+2):
766      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
767    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
768      - remove CPP='cpp -traditional -P' (this is genmake2 default)
769      - add switch (for big setups) to use 'medium' memory-model (but leave it
770        commented out for now). Note: needed with FC 19 to compile big setups.
771    o pkg/atm_compon_interf:
772      - regroup per field origin (model & pkgs) the coupling storage routines
773         (which accumalate in time each coupling field)
774      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
775        update accordingly + simplify aim_do_physics.F
776    
777    checkpoint64n (2013/08/26)
778    o pkg/bbl:
779      - update formulation to reduce dispersion of tracer properties in bbl
780      - replaced horizontal and vertical transport parameters with velocities
781      - changes results for verification/global_with_exf.yearly
782    o verification/halfpipe_streamice:
783      - change to matrix construction; update both Fwd & AD output.
784    o verification/tutorial_tracer_adjsens:
785      - OpenAD test: switch to vector-invariant momentum since fluxform with
786        rStar causes problems with OpenAD; update output.
787    o tools:
788      - genmake2: define a common prefix for all temp-file names ; move them
789        to local /tmp disk (but would be easy to move them back);
790      - xmakedepend: apply the same switch for temp-files.
791    o pkg/offline:
792      - changes for use with rStar (NLFS): assume that we continue to provide
793        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
794        output files) and apply r* scaling at each time-step (function of the time
795        varying Eta field); use normal pickup files (needed for restart with NLFS).
796    o adjoint with OpenAD:
797      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
798        package openad.  This package has to be compiled for all runs with OpenAD
799        instead of specifying code_oad_all as a modification directory.
800      - link the fortran templates from tools/OAD_support to the build directory
801        for preprocessing to avoid conflicts between different setups compiled
802        simultaneously and simplify cleanup.
803    o pkg/exf:
804      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
805        main model or other pkgs are exchanged in EXF_MAPFIELDS).
806    o model/src:
807      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
808        (similar to do_fields_blocking_exchanges.F).
809    o tools/genmake2:
810      - remove TAF output src code just before calling staf (when not doing a fresh
811        built, will stop if things go wrong with staf).
812      - fix target "adobj" (left from TAF version-2 transition)
813    o pkg/diagnostics:
814      - add a parameter to track the status of pkg/diagnostics activation;
815        this replace/extend the use of logical param "settingDiags" (to check
816        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
817        New S/R to print error message and stop when pkgStatus is not right.
818      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
819    
820    checkpoint64m (2013/08/13)
821    o model/inc:
822      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
823        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
824    o pkg/kpp & aim_v23:
825      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
826    o pkg/seaice:
827      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
828        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
829      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
830    o eesupp/src:
831      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
832        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
833    o switch to TAF version-2:
834      - add flow directives to "freeze" naming convention for ad-routines that
835        are used in I/O routines of adjoint state and associated common blocks
836        that are used in adcommon.h (backward compatible with version-1)
837      - update all ad-optfiles (in tools/adjoint_options + few local to some
838        verification exp) to switch to latest TAF version (currently 2.5.5);
839        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
840        out except for diva).
841      - the major change with TAF version-2 is that both the differentiated
842        routines and the forward routines (new) are returned as part of the TAF
843        output source code. Update genmake2 accordingly.
844      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
845        with version-2 when compared to TLM or FWD gradient); other experiments
846        output show minor changes (machine truncation level); update the few AD &
847        TLM output with 12 matching digits only (some prior to version-2 switch).
848    
849    checkpoint64l (2013/08/05)
850    o model/src:
851      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
852      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
853        when using TAF but only if using OpenAD.
854    o pkg/mom_common+fluxform+vecinv:
855      - always set horiz. viscosity arrays to background value before calling
856        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
857        only when using variable horiz. viscosity (useVariableVisc=T);
858      - simplify mom_vecinv.F (only 1 block for momViscosity).
859    o pkg/mom_common: variable horiz. viscosity in NH code
860      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
861        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
862      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
863        useBiharmonicVisc & useVariableVisc.
864      - fix old bug (already in 1rst implementation of variable horizontal viscosity
865        in calc_gw.F, version 1.27, 2006/06/20):
866        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
867        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
868      - change background horiz viscosity in vertical momentum (gW) to always be
869        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
870        any type of variable viscosity, e.g., viscAh/4Grid)
871      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
872        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
873        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
874        default viscAh,viscA4 is zero).
875    o model/src:
876      - extend length of drC & recip_drC from Nr to Nr+1.
877    o Divided Adjoint (DIVA) with MPI:
878      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
879      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
880        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
881    
882    checkpoint64k (2013/07/23)
883    o tools/OAD_support:
884      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
885        and remove it from genmake2.
886    o tools/build_options:
887      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
888        MPI_HEADER_FILES list (let genmake2 find the missing headers)
889    o verification/halfpipe_streamice:
890      - change to driving stress formulation; update both Fwd & AD output.
891    o tools/genmake2 and Divided Adjoint with MPI:
892      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
893      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
894      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
895        Makefile, which is set by genmake2, and check which mpi-headers are needed.
896        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
897      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
898    o testreport:
899      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
900        perform additional runs (number of additional runs is "add_DIVA_runs" taken
901        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
902    o verification/lab_sea (AD test):
903      - change to test Divided Adjoint Run in this set-up (both standard AD test
904        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
905    o pkg atm_ & ocn_compon_interf:
906      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
907        staggerTimeStep implementation) and disable (retired) corresponding
908        parameter.
909    o pkg/offline:
910      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
911      - add S/R OFFLINE_CHECK to print offline parameter summary
912        and stop if loading a file that is not used;
913      - enable to calculate GMRedi tensor, KPP mixing and convective index
914        when the corresponding file(s) is/are not specified (but pkg is used).
915      - comment out resetting of monitorFreq (to endTime) since it still useful
916        for monitoring CFL numbers and checking offline fields.
917    o OpenAD:
918      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
919        smaller standard output) and generate new (smaller) output (on baudelaire
920        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
921    o model/src:
922      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
923        (where external_forcing_adjust was called) and change list of arguments;
924      - merge external_forcing_adjust.F into external_forcing_surf.F
925      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
926        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
927        previously in file "balance_relax.F", now removed); remove corresponding
928        arrays in FFIELDS.h.
929      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
930        a hack for getting back surfaceForcingS (loaded from file) when using
931        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
932      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
933        (was getting only 11 digits for AD-grad, due to different truncation
934         error in AD code).
935    
936    checkpoint64j (2013/07/04)
937    o pkg/offline:
938      - to enable the use of other features with pkg offline (e.g., obcs),
939        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
940      - comment out "allowFreezing" (now active) in 2 offline testing exp.
941  o pkg/exf ALLOW_RUNOFTEMP  o pkg/exf ALLOW_RUNOFTEMP
942    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
943    - added RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice    - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
944    - changes verification/global_ocean.cs32x15/results/output.seaice.txt    - changes verification/global_ocean.cs32x15/results/output.seaice.txt
945  o pkg/atm_phys:  o pkg/atm_phys:
946    - 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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