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revision 1.1889 by dimitri, Mon Jul 1 16:55:57 2013 UTC revision 1.2046 by mlosch, Thu Aug 14 09:16:28 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 pkg/seaice:
8      - move computation of stress contributions to rhsU/V in s/r seaice_lsr
9        to separate s/r seaice_lsr_rhsu/v in order to be able to re-use code
10      - make u/vIceC local variables if SEAICE_CGRID is defined only to be used
11        in seaice_lsr
12      - seaice_lsr.F: make local 4D arrays UXX, VYY, etc 2D
13        in s/r seaice_lsr_calc_coeffs
14    
15    checkpoint65b (2014/08/12)
16    o pkg/matrix:
17      - pass, as argument, updated tracer field to S/R MATRIX_STORE_TENDENCY_EXP
18    o model/src:
19      - fix initialisation of geothermalFile; compile geothermal-flux code in
20        natl_box verification experiment.
21    o model/src & pkg/down_slope:
22      - push the k loop inside S/R TIMESTEP_TRACER (now called outside the k loop).
23      - in dwnslp_apply.F, update tracer tendency instead of the future tracer
24        field and call S/R DWNSLP_APPLY before TIMESTEP_TRACER; this affects
25        results at machine truncation level: update output of experiments
26        global_ocean.90x40x15.dwnslp (FWD) and lab_sea.noseaicedyn (AD).
27    o pkg/diagnostics (Stats-Diags):
28      - do not cumulate the full volume when DIAGNOSTICS_FILL is
29        called with bibjFlg < 0 (no increment of the counter for 2D/3D diag);
30        This fix the mean statistics when DIAGNOSTICS_FILL is called multiple
31        times (but Min,Max and StD are still wrong).
32    o model/src:
33      - add geothermal flux forcing: read in ini_forcing.F as time-constant
34        field "geothermalFlux" applied in S/R APPLY_FORCING_T (apply_forcing.F)
35    o model/src:
36      - move CYCLE_TRACER calls from tracers_correction_step.F to temp/salt/ptracer
37        _integrate.F so that, when leaving S/R THERMODYANMICS, theta,salt and pTrac
38        arrays are already updated while adjustments (filters, conv.adjustment) are
39        still applied later, in S/R TRACERS_CORRECTION_STEP.
40    o model/src:
41      - store in common bloc array "rhoInSitu" the virtual potential temperature
42        anomaly that is used to compute geopotential: this make the atmos code
43        more similar to ocean code which already uses rhoInSitu in calc_phi_hyd.F
44    o pkg/seaice/seaice_lsr.F
45      - rename integer variable ilcall to ipass (that's what it is called
46        in the residual diagnostics
47      - change time stepping for NPSEUDOTIMESTEP > 2 (does not change the
48        default) for improved non-linear convergence of the first few steps
49      - adjust a few comments and add new ones to explain some of the store
50        directives
51    o pkg/generic_advdiff (& ptracers):
52      - re-work the code to check for valid advection scheme and for minimum
53        size of overlap (now stored in local common bloc in gad_advscheme.F)
54    o pkg/seaice: another attempt to make the adjoint work for sea ice dynamics
55      - re-initialize more variables in seaice_lsr: u/vIceC, u/vIceNm1
56      - add an auxilliary variable "bet" and fix store directives and keys in
57        seaice_lsr_tridiagu/v, this seems to do the trick (i.e. more or
58        less exact gradients in my tests); but there are still
59        recomputation warning (although gradients are sort of OK), when
60        SEAICE_LSR_VECTORIZE is not defined, so this flag and
61        SEAICE_LSR_VECTORIZE_ZEBRA are recommended for efficiency.
62      - update verification experiments lab_sea.
63      - change some comments in S/R seaice_calc_viscosities
64    o model/src:
65      - if staggerTimeStep=T, always apply exchange to velocity field in
66        do_stagger_fields_exchanges.F instead of in do_fields_blocking_exchanges.F
67        (independent of using multi-dim advection or not); no effect on FWD run
68        but affects AD results (at machine truncation level): update output of
69        experiment 1D_ocean_ice_column (ad: 12 digits), hs94.1x64x5 (ad,oad: 13.d)
70        and isomip (oad: 12.d).
71    o pkg/generic_advdiff:
72      - stop if doAB_onGtGs is set to FALSE but ignored
73      - refine warning related to stability of tracer time-stepping
74        regarding internal wave dynamics.
75      - setting of AdamsBashforth_T,S when doAB_onGtGs=F: remove condition
76        on staggerTimeStep & implicitIntGravWave (will now get a warning
77        if potentially unstable).
78    o pkg/kl10:
79      - add new pkg "kl10" for mixing due to internal wave breaking, from
80        http://www.sciencedirect.com/science/article/pii/S1463500310000144
81        (contribution from Jody Klymak), tested in verification experiment
82        verification/internal_wave/input.kl10/
83    o isomip experiment:
84      - test pkg/shelfice with Non-Lin Free-Surf in one of the FWD set-up
85        (input.htd) and update the output.
86    o cd_code experiments:
87      - use default cd_code options (#undef CD_CODE_NO_AB_MOMENTUM &
88        #undef CD_CODE_NO_AB_CORIOLIS) in experiments: cfc_example (fwd)
89        global_ocean.90x40x15 (ad & oad) and OpenAD (ad & oad) and
90        update the corresponding output.
91    o pkg/seaice:
92      - reduce the number of include files and store directives in
93        S/R seaice_lsr_tridiagu/v
94      - change the order of loops in one case in S/R seaice_lsr_tridiagv
95        (only for SEAICE_VECTORIZE_LSR_ZEBRA defined), which allows me to
96        get rid off one store directive (a TAF bug?)
97      - add one more instance of ifdef SEAICE_VECTORIZE_LSR_ZEBRA in
98        S/R seaice_lsr_tridiagv to change the loop range for consistency
99      - remove ilcall, m from parameter list of S/R seaice_lsr_tridiagu/v
100      - fix a bug that affects the JFNK solver: replace sNx/y by i/jMax in
101        S/R seaice_lsr_tridiagu/v (requires update of
102        offline_exf_seaice/input.dyn_jfnk)
103    
104    checkpoint65a (2014/07/27)
105    o model/src:
106      - Non-Lin Free-Surf in p/z coords: allows hFacW,S to be larger than
107        surrounding hFacC=1 @ edge of a step with different kSurfC on either side
108        (topo in p-coords, ice-shelf in z-coords); update output of experiments
109        tutorial_global_oce_in_p and isomip (both AD and OpenAD output).
110    o model/src:
111      - collect momentum forcing tendency into local 2-D array (passed as argument
112        to apply_forcing S/R); this simplifies mom. Forcing diagnostics and CD_CODE
113        parts in timestep.F (without CD_CODE_NO_AB_MOMENTUM defined = the default);
114        affects results at machine truncation level (e.g., if using OBCS_SPONGE).
115      - collect T & S forcing tendency into local 2-D array (passed as argument to
116        apply_forcing S/R); add 3-D diagnostics for temp & salt forcing tendency.
117        affects results at machine truncation level (e.g., ocean: if using
118        SHORTWAVE_HEATING and atmos:, if using FrictionHeating or (atm_Rq<>0)
119        moist correction due to vertical advection).
120      - update output of experiments: fizhi-cs-32x32x40 (13 digits),
121        global_ocean.cs32x15 (fwd: icedyn, seaice, thsice, all 3 @ 11d; adm & tml:
122        seaice_dynmix & thsice, fwd grd @ 3 & 8), hs94.1x64x5 (ad grd @ 13),
123        obcs_ctrl (ad & fwd grd @ 12 & 7).
124    o pkg/ptracers & diagnostics:
125      - use ptracers (short) name (instead of long one) to make ptracers diagnostics
126        title (to avoid some unexpected truncation); sort out ptracers diags units.
127      - collect ptracer forcing tendency into local 2-D array (passed as argument
128        to apply_forcing S/R); add 3-D diagnostics for ptracers forcing tendency.
129    
130    checkpoint65 (2014/07/18)
131    o pkg/fizhi:
132      - add parenthesis around fizhi tendencies in fizhi_tendency_apply.F: this
133        affects results at machine truncation level. Update output of experiments
134        fizhi-cs-32x32x40 (12 digits for cg2d) & fizhi-cs-aqualev20 (13 digits).
135    o pkg/seaice: more clean up
136      - rename TAF common block tapes to be more consistent and remove
137        unnecessary duplicates
138      - add store directives to remove more recomputations, but use smaller
139        tapes (and adjust keys) when SEAICE_LSR_ADJOINT_ITER is undefined.
140        The idea behind this flag is to reduce the memory footprint when the
141        adjoint of the LSR is not required. As of now, defining the flag
142        SEAICE_LSR_ADJOINT_ITER increases 4 common block tapes for 2D field by
143        a factor of SOLV_MAX_FIXED (=500 by default in SEAICE_SIZE.h).
144        For experiment offline_exf_seaice, this means on a linux box with gfortran
145        nearly a factor of 10 (but keep in mind there is mostly seaice code in
146        this experiment):
147        > size mitgcmuv_ad
148        text    data        bss     dec        hex  
149        5100659 1216  220458952  225560827  d71c8fb
150        5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
151        but only a moderate increase of 36% for global_ocean.cs32x15:
152        text    data        bss     dec        hex
153        6695027 1648 1014578664 1021275339 3cdf6ccb
154        6695203 1648 1382505320 1389202171 52cd8afb (SEAICE_LSR_ADJOINT_ITER)
155      - note: there are still recomputations in global_ocean.cs32x15 and
156        offline_exf_seaice and the gradient agreement changes (gets a
157        little worse) for global_ocean.cs32x15 (-> update output_adm.seaice.txt)
158      - in general, the AD gradients still are wrong
159    o OpenAD
160      - clean up code_oad/ directories somewhat by moving files
161        dontCompile, dontTransform, keepOriginal to OAD_support/
162    o model/src:
163      - using MOM fluxform and Non-Lin Free-Surf with momDissip_In_AB=F
164        (not currently tested): add dissipation terms before NLFS rescaling of
165        tendencies (previously done after).
166    o pkg/diagnostics:
167      - write stats-diags in ascii file with more digits (same as in monitor).
168    o pkg/down_slope:
169      - drop the bi,bj dimension of argument recip_hFac in S/R DWNSLP_APPLY; with
170        NLFS (not tested), use new recip_hFac value in order to conserve tracer.
171    o model/src:
172      - new file "apply_forcing.F" containing all the code previously in
173        external_forcing.F, but with new argument list: pass, as new argument,
174        the current level tendency array to update (instead of a direct update
175        of the common bloc array). Change the corresponding calls.
176      - add CPP option USE_OLD_EXTERNAL_FORCING (default is undef) to use
177        EXTERNAL_FORCING_U,V,T,S subroutines (for backward compatibility).
178    o pkg/seaice/seaice_lsr, a little bit of clean up
179      - rearrange some code blocks, so that now all calculations for
180        setting up the right-hand-sides done within one single block
181        (I find that easier to read and understand)
182      - rearrange freedrift-code to reduce the number of ifdefs
183      - adjust some indentations and comments
184    
185    checkpoint64z (2014/07/10)
186    o model/src and several pkgs:
187      - change argument list of all S/R called from external_forcing.F and
188        called from ptracers_forcing.F (renamed to ptracers_apply_forcing.F)
189        to pass, as argument, the current level tendency array to update
190        (instead of a direct update of the common bloc array).
191      - change also (in the same way) argument list of PTRACERS_APPLY_FORCING;
192      - rename taueddy_external_forcing.f to taueddy_tendency_apply.F
193    o pkg/seaice/seaice_lsr.F
194      - always initialize local arrays in seaice_lsr_tridiagu/v
195      - add more local tapes to seaice_lsr_tridiagu/v
196      - move storing u/vice(:,:,bi,bj) out of seaice_lsr_tridiagu/v, but
197        keep it in bi/bj loop; this seems to be essential
198      - gradients are still wrong but only by 4-7 orders of magnitude
199        instead of 15 orders of magnitude, lab_sea improves a little
200    o pkg/seaice
201      - (pkg/autodiff) remove storing/restoring of seaiceMaskU/V that
202        generates unnecessary code in seaice_lsr_ad
203      - add more store directives in seaice_lsr to avoid unnecessary code
204        in seaice_lsr_ad
205      - exclude some residual computations in seaice_lsr when
206        ALLOW_AUTODIFF_TAMC is defined in order to avoid unnecessary code
207        in seaice_lsr_ad
208      - add more storing, a new tape (model/src/the_main_loop.F) and
209        another key for SEAICE_LSR_VECTORIZE_ZEBRA (the local keys ilockey
210        and klockey should be checked by a specialist)
211      - modify ( define SEAICE_VECTORIZE_LSR and SEAICE_LSR_ADJOINT_ITER )
212        and update lab_sea after previous changes in pkg/seaice below
213    o pkg/autodiff:
214      - introduce useSmoothCorrel2DinAdMode, SEAICEapproxLevInAd, and
215        viscFacInAd : run time parameters allowing for adjoint switches
216        note : logic for useSmoothCorrel2DinAdMode is in ctrl_readparms.F
217    o pkg/ecco:
218      - introduce cost_gencost_boxmean.F that computes a box mean
219        temperature (for use in adjoint sensitivity studies).
220    o model/src/set_defaults.F : initialize viscFacAdj to 1.
221    o pkg/mom_common/mom_calc_visc.F:
222      - ifdef ALLOW_AUTODIFF then include viscFacAdj factor.
223    o pkg/seaice/seaice_summary.F:
224      - statement for SEAICEadjMODE now in autodiff_readparms.F
225    o pkg/seaice:
226      - remove some store directives and add new ones in an effort to get
227        finally rid off the recomputation warnings. This is successful
228        when SEAICE_VECTORIZE_LSR ***and*** SEAICE_LSR_ADJOINT_ITER are
229        defined (i.e. no extensive recomputation warnings left), but there
230        are still too many recomputations on the solver iteration level
231      - define SEAICE_VECTORISZE_LSR in offline_exf_seaice/code_ad/SEAICE_OPTIONS.h
232      - move definition of MPSEUDOTIMESTEPS into TAMC-block in
233        SEAICE_SIZE.h
234      - add a store directive in S/R seaice_calc_viscosities
235    o pkg/seaice (ITD code):
236      - fix definition of Hlimit for multi-threaded case
237      - use double precision arithmetic to compute Hlimit: this affects results;
238        update output of experiment seaice_itd.
239    o replace content of verification/seaice_itd
240      - instead of a 1D column use the configuration of offline_exf_seaice
241        to test the ice thickness distribution code with ridging
242      - this is a first shot at this experiment
243      - change of some defaults of ridging parameters SEAICEhStar (from
244        100 to 25) and SEAICEmuRidging (from 5 to 3) in seaice_readparms.F
245        and lot of new comments.
246    
247    checkpoint64y (2014/06/20)
248    o pkg/seaice/seaice_reg_ridge.F:
249      - modify the regularization of very small volumes of ice; only check
250        total volume HEFF, and do not apply correction to individual ice
251        classes because that leads to funny patterns in the heat and fw-fluxes
252        into the ocean. Adjust seaice_itd/results/output.txt
253      - replace nITD by SEAICE_multDim in loop-ranges
254    o pkg/exf:
255      - add code to process the case field period = -12. with UV interpolation.
256      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
257        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
258    o verification/global_with_exf:
259      - switch all fields period to -12. (was previously untested) in input/data.exf
260        (but keep secondary test ".yearly" unchanged); update the reference output.
261    o pkg/cal:
262      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
263    o pkg/exf:
264      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
265        to replace logical switch "exf_verbose"
266      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
267    o pkg/sbo:
268      - update from Katherine Quinn: evaluate mass directly from density and SSH
269        (budget using Finite Volume method) instead of from bottom pressure.
270      - allow testreport to collect few selected SBO output ; tested in exp.
271        global_ocean.90x40x15 (after updating the results, to include SBO output).
272      - fix some multi-threading issues (in output part).
273    o model/src & most packages:
274      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
275      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
276        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
277        "data.{pkg}" exist ; and leave the S/R (return) just after.
278      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
279        + call LAND_READPARMS from packages_readparms.F
280    o pkg/seaice:
281      - remove code that resets useThSice in S/R seaice_readparms and
282        replace it by a warning in S/R seaice_check
283      - remove parameter MULTDIM, replace with nITD and runtime
284        parameter SEAICE_multDim (still hard-wired to nITD if
285        SEAICE_ITD is defined)
286    
287    checkpoint64x (2014/05/24)
288    o verification/lab_sea:
289      - update adjoint and TLM output following changes to pkg/salt_plume
290      - un-do the update after putting back local recip_Cp in few places.
291    o pkg/salt_plume: modifications by An Nguyen:
292      - add capability to do brine rejection (salt-plume) as function of
293        volume+tracers (instead of only salinity tracer).
294      - conserve volume by exchanging volume from each kLev to above to
295        accommodate in-coming brine volume
296      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
297      - switch KPP surf buoyancy due to brine forcing to 3-d
298        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
299      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
300      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
301        in East/West Arctic.
302    o pkg/sbo:
303      - incorporate modifications from Katherine Quinn to enable the use of sbo
304        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
305        output for future testreport verification (unfinished).
306    o pkg/atm_phys:
307      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
308        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
309        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
310    o pkg/seaice
311      seaice_calc_ice_strength.F: modify expression to avoid divisions
312        (affects truncation)
313      seaice_do_ridging.F: clean up the insectarium
314      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
315      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
316      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
317      - add some debugging information and error messages (warnings)
318    o model/src: modifications relatd to atmosphere p*:
319      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
320      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
321        of vertical profile tRef in geopotential background and anomaly.
322      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
323        and pkg/atm_phys.
324      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
325        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
326    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
327    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
328        not used right now, but can be used in BGC packages to fix conservation.
329    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
330        other packages too.
331    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
332        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
333    o model/src:
334      - since we have several heat capacity (even in model/src), define "recip_Cp"
335        as local variable (no longer in common block) to avoid any confusion.
336      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
337    o pkg/exf:
338      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
339        air density as function of air Temp, Humidity and atm pressure.
340    
341    checkpoint64w (2014/05/02)
342    o verification:
343      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
344        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
345        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
346        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
347        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
348    o model/src: for atmosphere in p* coords:
349      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
350      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
351        but not yet activated.
352    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
353      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
354      - this changes the results (but not for any verification experiment, because
355        none tests this), but avoids having an extra field in the restart files
356    o pkg/seaice: remove global variable TICE (not needed)
357      - replace by TICES or local variable where necessary (cost_seaice_test,
358        seaice_diagnostics_state)
359      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
360      - use specific read/write routines for reading and writing individual leves
361        of a multilevel field
362    o pkg/ctrl & model/inc:
363      - move additional anomaly fields of control vars (related to options:
364         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
365        from DYNVARS.h into new header file: CTRL_FIELDS.h
366    o pkg/seaice: some small modifications to the ridging code
367      - make fw2ObyRidge a global variable and add the freshwater flux to
368        seaice_growth
369      - pass actual thickness from seaice_prepare_ridging, so that it is
370        computed only in one place and compute it in the same way as in
371        seaice_growth
372      - initialise more fields in seaice_do_ridging that where cause floating
373        point exceptions over land
374    o pkg/seaice: preparations for ridging code and first real ridging code
375      - move most of "PART 1" of S/R seaice_growth into a new and separate
376        S/R seaice_reg_ridge that will both regularize the state variable after
377        advection call the actual ridging routine;
378      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
379        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
380      - remove ridging code from seaice_advdiff
381      - clean up remaining part 1 of seaice_growth in an attempt to make it
382        more readable (this is probably subjective)
383      - call seaice_itd_redist once in the initialisation phase to have the initial
384        conditions in the correct category
385      - finally: add new ridging routine for ITD code
386    
387    checkpoint64v (2014/04/11)
388    o pkg/ecco:
389      - add runtime parameters mdt[start,end]date[1,2]
390      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
391    o pkg/seaice:
392      - make deltaC a global variable, so that it can be used in ridging code
393      - first step towards ridging: introduce new routines that compute
394        ice strength based on ridging parameters
395      - add diagnostic for HSNOWITD
396      - add opnWtrFrac as a global variable (required for ridging scheme)
397    o pkg/salt_plume + pkg/seaice/seaice_growth.F
398      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
399        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
400    o verification/hs94.1x64x5:
401      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
402      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
403    o autodiff:
404      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
405        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
406        For now, only in pkgs used in verification/hs94.1x64x5.
407      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
408        which are specific to TAF/TAMC).
409      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
410        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
411        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
412      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
413        building mitgcmuv_ad (make adAll).
414    o pkg/ecco:
415      - cost_gencost_seaicev4.F:
416         reformulate proxy cost as function of sst and local param SEAICE_freeze
417         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
418      - add stop statement if old names siv4-[sst,vol] are used
419      - add snapshots + cost reports for atmospheric longwave
420      - remove factor 0.1 in front of wtau[u,v]
421      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
422         ALLOW_TMI_SST_COST_CONTRIBUTION
423    o pkg/atm_phys:
424      - add some diagnostics for Short-wave and for convection S/R.
425    o pkg/seaice/seaice_growth:
426      - fix a bug in the lateral melt parameterization for SEAICE_ITD
427        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
428      - rearrange loop order for better vector code in the same code block
429      - rewrite the floeDiameter formula to have fewer divisions
430      -  (miraculously) none of this changes the results of seaice_itd
431    o pkg/smooth:
432      - move param smooth2Ddiffnbt to pkg/ecco
433    o pkg/salt_plume:
434      - salt_plume_frac.F:
435         clean up local param names
436         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
437    o pkg/rw:
438      - add RS version of S/R READ_MFLDS_LEV.
439    o pkg/streamice:
440      - fix the restart test by writing/reading pickup_streamice files.
441    o pkg/seaice:
442      - refine checks for jfnk-related parameters
443      - comment out if statement with SEAICEuseIMEX parameter as long as there
444        is no IMEX code to avoid confusion and surprises
445    
446    checkpoint64u (2014/03/07)
447    o verification/MLAdjust:
448      - rename secondary test suffix:
449         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
450         0.leithD -> AhFlxF  + switch to flux-form
451         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
452         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
453    o pkg/mom_vecinv:
454      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
455        to be before mom_calc_visc.F)
456      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
457      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
458        this is simpler for the adjoint and for diagnostics.
459    o model/src + pkg/momentum:
460      - add input files for  2-D additional Western and Southern cell-edge wall
461         (e.g., to add "thin-wall" where it is =1).
462      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
463        using 2nd hFacZ that is computed from initial (fix domain) hFac
464      - known limitations of thin wall implementation: not yet coded for sigma
465        coords; not working with CD-scheme neither.
466    o pkg/seaice:
467      - rename recently introduced parameters from (wrong name) AB to
468        BDF (backward difference time discretisation)
469      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
470    o tools/adjoint_options:
471      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
472    
473    checkpoint64t (2014/02/01)
474    o pkg/ecco
475      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
476        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
477      - replace hard-coded record number and period which only work for monthly
478        with read-in runtime param that works for other periods (month,day,year)
479    o pkg/thsice
480      - corrected store directive fixes thsice adjoint gradient checks
481    o genmake2 & testreport:
482      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
483        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
484        Update testreport accordingly. No need to set "export OPENAD=true"
485        in adjoint_options/adjoint_oad anymore (will be removed later).
486    o pkg/shelfice:
487      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
488        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
489        so that surface forcing applies to k=kSurf if using pkg/shelfice.
490    o pkg/ctrl, pkg/grdchk, pkg/ecco:
491      - Changes to make GENARR more modular (i.e. invisible if not used)
492    o model/src/temp_integrate.F and salt_integrate.F
493      - re-include store directives that were removed on Dec 27th.
494    o model/src/external_forcing_surf.F
495      - add storage directives for EmPmR and PmEpR to avoid recomputation of
496        seaice_model in the adjoint that is problematic when seaice_model is
497        turned off in the adjoint. The resolved issue dated back to July when
498        EXTERNAL_FORCING_SURF call was moved.
499        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
500    o pkg/exf/exf_check.F
501      - fix a small bug again (originally found by Wentao Liu, now found again)
502      - streamline error output
503    o pkg/streamice and aim_v23:
504      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
505        Apple's /usr/bin/cpp knows what to do:
506        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
507        Target: x86_64-apple-darwin13.0.0
508    
509    checkpoint64s (2014/01/05)
510    o tools/adjoint_options:
511      - switch to fastopt.net TAF server (instead of default fastopt.de) for
512        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
513    o model/src:
514      - remove some unnecessary TAF storage directives in forward_step.F and
515        in dynamics.F (note: not always removed by TAF, e.g., double storage
516        of kappaRU,kappaRV in former version of dynamics.F).
517    o model/src & pkg/ptracers:
518      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
519        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
520        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
521      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
522      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
523      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
524    o useSingleCpuInput separates single-CPU input from single-CPU output;
525        for now only implemented for in exf_interp_read.F
526    o verification/advect_xy:
527      - fix missing EXCH call in local version of ini_salt.F and update output.
528    o momentum diagnostics:
529      - fix which deltaT is used in Total-Tendency diagnostics.
530      - fix typo in diagnostics for momentum tendency from AB.
531    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
532        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
533    
534    checkpoint64r (2013/12/08)
535    o verification/*/results:
536      - Update reference output of experiments that were passing with just 13 digits
537         (make it easier to detect future changes in results)
538    o model/src & pkg/ptracers:
539      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
540        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
541        to inside ptracers_integrate.F ; remove ptracers_advection.F
542    o coupling interface pkgs:
543        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
544      - change the config check to test the agreement of Ocean Depth
545        with ATM land/sea mask (instead of ATM orography);
546      - send to coupler the number of coupler time-steps to do for this run:
547        this allows to check for consistency and don't need anymore to be
548        specified in parameter file "data";
549      in coupler:
550      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
551      - improve report to log-file of config setting (pass log-file unit to few S/R)
552    o pkg/compon_communic:
553      - add coupling send/receive for non-tiled integer vector;
554      - add S/R to check and stop if any proc has an error (similar to
555        eesupp/src/stop_if_error.F but single thread and across Comm_World).
556    o pkg/exch2:
557      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
558        through list of all tiles my proc owns.
559    o model/src:
560      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
561        from rTrans) to simplify dependencies (no need to store rTrans anymore in
562        calling S/R); this affects AD results at machine truncation level:
563        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
564        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
565    o tools/build_options:
566      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
567    o coupling interface pkgs:
568        [compon_communic, atm_compon_interf & ocn_compon_interf]
569      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
570        to each S/R that needs it; remove un-used variables.
571      - change component tile registration (cpl_register.F in both compon_interf
572        and mitcomponent_tile_register.F) to pass the full list of tiles
573        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
574      - with pkg/exch2: adopt the same convention used for I/O to define mapping
575        towards coupler global array (unless W2_useE2ioLayOut=F):
576         a) can now use different tiling between atm & ocn comp.
577         b) no needs to modify the run-Off map when changing tiling (was needed
578            even if using the same tiling between atm & ocn).
579         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
580            full land tiles); not yet tested.
581      - check for valid mapping from comp. tile to coupler global array
582      - improve report of tile registration results to log file.
583    o pkg/exch2:
584      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
585        tile-registration (CPL_REGISTER);
586      - activate (un-comment) definition and setting of "W2_tileIndex" list to
587        store the local bi,bj indices of each tile;
588      - also print bi,bj in local report to log file;
589      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
590        Jun 2009 modif of pkg/exch2).
591    o testing on baudelaire:
592      - run 2 tests at a time: no significant slow down (since enough cpu) and
593        get the full set of test done earlier
594      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
595    o model/src/thermodynamics.F and routines called from it:
596      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
597        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
598        velocity (outp) by adding bolus velocity.
599      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
600        mass transport from velocity + lateral grid cell area
601      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
602      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
603     in thermodynamics.F
604      - remove k from thermodynamics.F and move it to temp_integrate.F
605        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
606        loop).
607      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
608        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
609        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
610        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
611      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
612        global_ocean.90x40x15, tutorial_global_oce_biogeo and
613        tutorial_tracer_adjsens (+ TLM output).
614    o tools/OAD_support and (verification/*/) code_oad:
615      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
616        module conversion ; remove unneeded CPP_EEOPTIONS.h.
617      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
618        version (closer to model/inc/CPP_OPTIONS.h).
619    o model/src:
620      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
621        retired list of parameters (routine FREEZE has been replace by surface
622        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
623    o pkg/gmredi:
624      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
625        velocity (same scheme but affects machine truncation) for GM_AdvForm.
626      - update output of FWD experiments: front_relax.bvp,
627        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
628    
629    checkpoint64q (2013/11/17)
630    o verification:
631      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
632        tutorial_global_oce_biogeo and global_ocean.90x40x15.
633      - generate new output (growth & melt) for seaice_itd experiment after
634        updating the input pickup_seaice files (previously wrong).
635    o pkg/cost:
636      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
637        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
638        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
639          cannot be applied to var in common block).
640        o allows to get results independent of tile-per-proc setting (if using
641          slower GLOBAL_SUM_SEND_RECV option).
642      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
643        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
644        forward gradients: update output).
645      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
646        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
647    o pkg/mom_common:
648      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
649        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
650        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
651        ensure that all field value that are used are set.
652    o tutorial_deep_convection (smag3d):
653      - add missing scaling in mom_calc_smag_3d.F;
654      - set smag3D_coeff in input.smag3d such that results do not change.
655    o pkg/dic:
656      - change dic_cost.F to compute cost on each tile first and then apply
657        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
658        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
659      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
660    o eesupp/src & pkg/mdsio:
661      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
662        (from pkg/mdsio) since they are no longer used for tape IO.
663      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
664        (+ keep a copy in pkg/atm_ocn_coupler).
665    o verification/isomip:
666      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
667    o tools/build_options:
668      - optfile linux_amd64_ifort11, fast (no ieee) case:
669        to get a working restart for all experiments, add "-fp-model source"
670        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
671    
672    checkpoint64p (2013/10/20)
673    o pkg/autodiff:
674      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
675        criteria, return to simple (default) tape IO format.
676    o pkg/mdsio (+ eesupp/src):
677      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
678        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
679      - fix globalFile and singleCpuIO options using simpler global mapping.
680      - new pairs of scatter/gather vector S/R (one for each type, generated from
681        template) corresponding to simpler global mapping.
682      - adread_write.F: switch to new S/R (but leave old calls commented) and write
683        to globalFile when parameter globalFiles is set to True.
684      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
685    o pkg/autodiff:
686      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
687        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
688        missing, just add a STOP if array type do not match.
689    o pkg/exf:
690      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
691         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
692         and rename array obsSIce to exf_iceFraction.
693    o tutorial_deep_convection:
694      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
695        for now all in this exp. code dir.
696      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
697        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
698    o eesupp/src:
699      - added SINGLE_DISK_IO option because reading of parameter files on
700        very large number of processors did not work with existing set-up
701    
702    checkpoint64o (2013/09/25)
703    o pkg/atm_phys & atm_compon_interf:
704      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
705    o tools/build_options:
706      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
707        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
708        remove CPP setting (was identical to genmake2 default).
709    o pkg/gmredi & model/src: Some updating and work done on the residual model.
710      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
711      - fixed up the calculation of the eddy stress and how it is added to the
712        external forcing via taueddy_external_forcing.F
713      - at the moment, it is very experimental and only works with the variable eddy
714        diffusivity calculated in gmredi_k3d.F
715    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
716        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
717    o testreport (& tools/do_tst_2+2):
718      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
719    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
720      - remove CPP='cpp -traditional -P' (this is genmake2 default)
721      - add switch (for big setups) to use 'medium' memory-model (but leave it
722        commented out for now). Note: needed with FC 19 to compile big setups.
723    o pkg/atm_compon_interf:
724      - regroup per field origin (model & pkgs) the coupling storage routines
725         (which accumalate in time each coupling field)
726      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
727        update accordingly + simplify aim_do_physics.F
728    
729    checkpoint64n (2013/08/26)
730    o pkg/bbl:
731      - update formulation to reduce dispersion of tracer properties in bbl
732      - replaced horizontal and vertical transport parameters with velocities
733      - changes results for verification/global_with_exf.yearly
734    o verification/halfpipe_streamice:
735      - change to matrix construction; update both Fwd & AD output.
736    o verification/tutorial_tracer_adjsens:
737      - OpenAD test: switch to vector-invariant momentum since fluxform with
738        rStar causes problems with OpenAD; update output.
739    o tools:
740      - genmake2: define a common prefix for all temp-file names ; move them
741        to local /tmp disk (but would be easy to move them back);
742      - xmakedepend: apply the same switch for temp-files.
743    o pkg/offline:
744      - changes for use with rStar (NLFS): assume that we continue to provide
745        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
746        output files) and apply r* scaling at each time-step (function of the time
747        varying Eta field); use normal pickup files (needed for restart with NLFS).
748    o adjoint with OpenAD:
749      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
750        package openad.  This package has to be compiled for all runs with OpenAD
751        instead of specifying code_oad_all as a modification directory.
752      - link the fortran templates from tools/OAD_support to the build directory
753        for preprocessing to avoid conflicts between different setups compiled
754        simultaneously and simplify cleanup.
755    o pkg/exf:
756      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
757        main model or other pkgs are exchanged in EXF_MAPFIELDS).
758    o model/src:
759      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
760        (similar to do_fields_blocking_exchanges.F).
761    o tools/genmake2:
762      - remove TAF output src code just before calling staf (when not doing a fresh
763        built, will stop if things go wrong with staf).
764      - fix target "adobj" (left from TAF version-2 transition)
765    o pkg/diagnostics:
766      - add a parameter to track the status of pkg/diagnostics activation;
767        this replace/extend the use of logical param "settingDiags" (to check
768        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
769        New S/R to print error message and stop when pkgStatus is not right.
770      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
771    
772    checkpoint64m (2013/08/13)
773    o model/inc:
774      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
775        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
776    o pkg/kpp & aim_v23:
777      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
778    o pkg/seaice:
779      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
780        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
781      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
782    o eesupp/src:
783      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
784        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
785    o switch to TAF version-2:
786      - add flow directives to "freeze" naming convention for ad-routines that
787        are used in I/O routines of adjoint state and associated common blocks
788        that are used in adcommon.h (backward compatible with version-1)
789      - update all ad-optfiles (in tools/adjoint_options + few local to some
790        verification exp) to switch to latest TAF version (currently 2.5.5);
791        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
792        out except for diva).
793      - the major change with TAF version-2 is that both the differentiated
794        routines and the forward routines (new) are returned as part of the TAF
795        output source code. Update genmake2 accordingly.
796      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
797        with version-2 when compared to TLM or FWD gradient); other experiments
798        output show minor changes (machine truncation level); update the few AD &
799        TLM output with 12 matching digits only (some prior to version-2 switch).
800    
801    checkpoint64l (2013/08/05)
802    o model/src:
803      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
804      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
805        when using TAF but only if using OpenAD.
806    o pkg/mom_common+fluxform+vecinv:
807      - always set horiz. viscosity arrays to background value before calling
808        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
809        only when using variable horiz. viscosity (useVariableVisc=T);
810      - simplify mom_vecinv.F (only 1 block for momViscosity).
811    o pkg/mom_common: variable horiz. viscosity in NH code
812      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
813        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
814      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
815        useBiharmonicVisc & useVariableVisc.
816      - fix old bug (already in 1rst implementation of variable horizontal viscosity
817        in calc_gw.F, version 1.27, 2006/06/20):
818        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
819        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
820      - change background horiz viscosity in vertical momentum (gW) to always be
821        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
822        any type of variable viscosity, e.g., viscAh/4Grid)
823      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
824        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
825        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
826        default viscAh,viscA4 is zero).
827    o model/src:
828      - extend length of drC & recip_drC from Nr to Nr+1.
829    o Divided Adjoint (DIVA) with MPI:
830      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
831      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
832        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
833    
834    checkpoint64k (2013/07/23)
835    o tools/OAD_support:
836      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
837        and remove it from genmake2.
838    o tools/build_options:
839      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
840        MPI_HEADER_FILES list (let genmake2 find the missing headers)
841    o verification/halfpipe_streamice:
842      - change to driving stress formulation; update both Fwd & AD output.
843    o tools/genmake2 and Divided Adjoint with MPI:
844      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
845      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
846      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
847        Makefile, which is set by genmake2, and check which mpi-headers are needed.
848        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
849      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
850    o testreport:
851      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
852        perform additional runs (number of additional runs is "add_DIVA_runs" taken
853        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
854    o verification/lab_sea (AD test):
855      - change to test Divided Adjoint Run in this set-up (both standard AD test
856        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
857    o pkg atm_ & ocn_compon_interf:
858      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
859        staggerTimeStep implementation) and disable (retired) corresponding
860        parameter.
861    o pkg/offline:
862      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
863      - add S/R OFFLINE_CHECK to print offline parameter summary
864        and stop if loading a file that is not used;
865      - enable to calculate GMRedi tensor, KPP mixing and convective index
866        when the corresponding file(s) is/are not specified (but pkg is used).
867      - comment out resetting of monitorFreq (to endTime) since it still useful
868        for monitoring CFL numbers and checking offline fields.
869    o OpenAD:
870      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
871        smaller standard output) and generate new (smaller) output (on baudelaire
872        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
873    o model/src:
874      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
875        (where external_forcing_adjust was called) and change list of arguments;
876      - merge external_forcing_adjust.F into external_forcing_surf.F
877      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
878        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
879        previously in file "balance_relax.F", now removed); remove corresponding
880        arrays in FFIELDS.h.
881      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
882        a hack for getting back surfaceForcingS (loaded from file) when using
883        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
884      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
885        (was getting only 11 digits for AD-grad, due to different truncation
886         error in AD code).
887    
888    checkpoint64j (2013/07/04)
889    o pkg/offline:
890      - to enable the use of other features with pkg offline (e.g., obcs),
891        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
892      - comment out "allowFreezing" (now active) in 2 offline testing exp.
893  o pkg/exf ALLOW_RUNOFTEMP  o pkg/exf ALLOW_RUNOFTEMP
894    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL    - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
895    - added RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice    - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
896    - changes verification/global_ocean.cs32x15/results/output.seaice.txt    - changes verification/global_ocean.cs32x15/results/output.seaice.txt
897  o pkg/atm_phys:  o pkg/atm_phys:
898    - 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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