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revision 1.1295 by jmc, Sat Sep 11 21:39:13 2010 UTC revision 1.1395 by mlosch, Mon Mar 14 10:25:11 2011 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/ecco: fix counting cost function contributions for obcs (code
8      by Matt M.) and diffkr for diagnostics
9    o pkg/ecco, pkg/ctrl, pkg/grdchk:
10      add cost penalty terms for initial uvel, vvel, eta controls
11      and I/O for prior error files
12    o pkg/mdsio:
13       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
14       (new argument) to check for tiled file in mdsioLocalDir : this fix the
15       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
16    o pkg/ctrl:
17     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
18       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
19       unused and superfluous variables
20     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
21    o pkg/ecco
22     - enable adjoint of Stevens OB
23    o pkg/ctrl/ecco/grdchk:
24      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
25        Fortunately, we do not have any tests for the numerous cpp-flagged
26        option of "obcs as control parameters" so we will never know
27        if this is an improvement (but at least now things compile).
28      - remove an obsolete initialization from ecco_cost_init_barfiles.F
29      - fix some problems within never used ifdefs to make the code compile
30    o pkg/obcs:
31     - Refine Interior mask definition to work with more complex OB (e.g.
32       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
33       read in Interior mask from file. Check if Interior mask is consistent
34       with OB list of indices.
35    o pkg/seaice
36     - beginning code for a seaice tracer package,
37       but currently only used for seaice age: SEAICE_AGE
38       SEAICE_num = 4
39       iTracer = 1: area-weighted ice age
40               = 2: volume-weighted ice age
41               = 3, 4: template for one-year vs. multi-year ice
42       data.seaice has new namelist SEAICE_PARM03 for arrays related to
43       SEAICE_num
44    
45    checkpoint62t (2011/03/05)
46    o pkg/obcs:
47     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
48       then normal component. This ensures that the normal component is set
49       correctly even when it conficts with tangential setting from an other OB.
50       Affects results of test-experiment seaice_obcs: update the output.txt
51    o pkg/obcs:
52     - add code to monitor statistics of dynamical fields at OB.
53     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
54       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
55       - change default: balance the Net inflow through all OB (instead of balancing
56         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
57     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
58       to match Nortern OB inflow (OBCS_balanceFacN=0).
59    o pkg/seaice:
60     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
61    o pkg/seaice (seaice_growth v 1.113):
62     - reverting seaice_growth to v 1.111 in order to have code with exact bit
63       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
64       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
65       runtime flag SEAICEareaFormula is kept but is inactive
66    o model/src:
67     - add new param to scale curvilinear grid distance and area when using
68       a different sphere radius from the grid-files.
69     - test/check multi-threads EXCH applied to local variable (cg2d_x)
70    o adjoint:
71     - enable adjoint of Stevens OB
72     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
73       (a bit delicate because of potentially modified adj. common block structure;
74       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
75    
76    checkpoint62s (2011/02/15)
77    o pkg/seaice (seaice_growth v 1.112):
78     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
79       computing the ice cover tendency from effective thickness tendencies. Include
80       Ian Fenty's formula.
81     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
82       SEAICEareaFormula.
83     - simplify notations for the various d_HEFF/d_AREA terms.
84    o pkg/gmredi:
85     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
86       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
87       add a verification test-run (front_relax.bvp) to test GM_useBVP.
88    o pkg/seaice (seaice_growth v 1.111):
89     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
90     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
91       also melt ice.
92    o pkg/seaice:
93     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
94     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
95    o pkg/cheapaml:
96     - from Nico Wienders: New version of this package.
97    o pkg/flt:
98     - add CPP options to prevent floats to re-enter the opposite side of
99       a periodic domain (default: keep periodicity)
100    o pkg/gmredi:
101     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
102       (needed for multi-dim advection).
103     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
104    o model/src:
105     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
106    o tutorial_tracer_adjsens
107     - extend to NLFS and replace maskC by hFacC
108       (change reference output accordingly)
109    
110    checkpoint62r (2011/01/24)
111    o testreport:
112     - add option -deloutp (-do) to remove output file after successful run
113     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
114       extract exact list of procs from this file ; adjust COMMAND by
115       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
116    o pkg/ecco: replace old ineffective way of penalizing deviations from
117      first guess (of obcs) with code by Matt Mazloff
118    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
119      exf/cal
120      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
121        and handle case of obcs?period == 0
122        Not affected by these changes: There is still an inconsistency in
123        the computation of start/endrec for the obcs variables for ALLOW_CAL
124        defined (see comment by Menemenlis, 7-Mar-2003)
125      - make S/R ctrl_get_gen_rec return something meaningful even if
126        ALLOW_CAL is not defined
127      - ctrl_getobcs?: simplify code so that it does not need to use
128                       S/R exf_swapfields
129    o testreport:
130       allow to test MPI with different number of processors for each experiment:
131       create file "SIZE.h.mpi" in each build dir.
132       Note: update of "-command" argument not yet implemented.
133    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
134      alleviate the need for additional 3D tapes when using
135      the non-inear free surface in the adjoint. This is done
136      by adding an 'update' of hfacc etc. to their current
137      value at the beginning of forward_step.F.
138    o pkg/seaice
139      seaice_lsr: move stress-divergence computations out of outer pseudo-
140      timestepping loop
141    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
142      up, so that the calls of the ctrl_* subroutines are really at the end
143      of the routine.
144    o pkg/gmredi:
145      allow to specify a 2-D horizontal map and a 1-D vertical profil
146      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
147    o pkg/seaice:
148      move lsr iterations from seaice_dynsolver to seaice_lsr.
149    o pkg/seaice:
150      reduce memory footprint of seaice mutldim advection tapes,
151      by using a 2D tape independent of the generic_advdiff ones,
152      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
153    
154    checkpoint62q (2010/12/29)
155    o model/src:
156      - check horizontal grid-spacing for unset or zero/negative values.
157      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
158    o pkg/flt:
159      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
160      - precision of input and output files set according to readBinaryPrec
161        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
162      - initial float position from tiled file was not converted to index space
163        (looks like a bug): fixed to make it similar to initial pos. global file.
164    o global_ocean.cs32x15:
165       change SIZE.h of AD set-up to get same tiling as with MPI.
166       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
167    o model/src:
168       add flag to control printing of domain fields (bathymetry, hFac ...) in
169       ini_mask_etc (call to plot_fieds_xy*).
170    o pkg/thsice:
171       if useEXF, some forcing fields are not valid in overlap: fixed by computing
172       over the interior only + apply EXCH at the end (like with SEAICE advection).
173    o pkg/mdsio:
174      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
175        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
176      - change barrier call for safe multi-threads access to 3-D shared buffer.
177      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
178      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
179        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
180    o pkg/flt:
181      - add fourth-order Runge-Kutta integration
182      - add basic exch2 support (only 1 facet supported so far!)
183    o pkg/mdsio+rw:
184      new S/R to read local (or tile independent) vector (read counterpart of
185       mds_writevec_loc, and front-end write_glvec_rl/rs).
186    o global_ocean.cs32x15: additional input_ad.seaice experiment
187        that uses pkg/seaice rather than pkg/thsice.
188        (using multidim advection for seaice)
189    o towards more F95 syntax for array specification in namelist:
190      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
191        of all verification experiments.
192           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
193          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
194      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
195    o global_ocean.cs32x15: additional input.seaice experiment
196        that uses pkg/seaice rather than pkg/thsice.
197    
198    checkpoint62p (2010/12/17)
199    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
200        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
201    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
202        allow for use of multim. advection in seaice adjoint.
203    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
204      - first attempt to close budgets by taking into account the freshwater
205        flux implied by the sublimation of snow and ice. So far only the
206        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
207        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
208    o eesupp/src:
209      new S/R with new option (NML_EXTENDED_F77) to change array specification
210      from F95 standard to commonly accepted extended F77 form.
211      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
212      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
213      for less tolerant f77 compiler (e.g., pgf77, g77).
214    o globalFiles:
215      commented out in parameter file "data" since it's not safe with MPI
216      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
217      in this case); no longer commented out in restart test (tst_2+2).
218    o add adTapeDir to specify a special directory where adjoint tapes are
219      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
220      and cannot be used together with mdsioLocalDir.
221    o nesting pkgs:
222      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
223      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
224      - add parameter files + utils dir + output from short run on beagle.
225    o pkg/seaice:
226        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
227    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
228      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
229    
230    checkpoint62o (2010/11/25)
231    o pkg/exf:
232      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
233    o pkg/seaice:
234      - seaice_ocean_stress: split a loop for better vectorization of the
235        adjoint code
236      - seaice_growth.F: fix bug in conservation of freshwater connected to
237        capping of heff, put contribution into d_HEFFbyNEG
238      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
239        by something more sensible (parameters that are what their name implies)
240      - change some defaults, so that by default exf-parameters are used for
241        things like rhoAir, cpAir,latent/sensible heat parameters, in order
242        to reproduce the old results, many data.seaice now contain funny values
243        for cpAir and latent heat of sublimation
244    o packages_readparms.F: move exf_readparms up in line so that
245        exf-parameters are visible for other packages (e.g. seaice)
246    o debugMode & debugLevel=2:
247      - differentiate between debugMode & debugLevel=2:
248        debugMode: controls printing of debug messages (sequence of S/R calls).
249        debugLevel: controls printing of algorithm intermediate results and stats.
250      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
251        => allows to print debug-stats without all sequence of call messages.
252      - switch control of debug print from debugLevel to debugMode in many S/R.
253    o pkg/obcs (obcs-sponge):
254        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
255        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
256    o pkg/generic_advdiff:
257      - record overlap minimum size for each advection scheme;
258      - refine criteria on overlap minimum size;
259      - check and stop (in gad_check) if overlap size is too small.
260    o pkg/obcs:
261      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
262        once, in ptracers_implicit.F)
263      - with seaice: remove test on empty file name in obcs_apply_seaice (always
264        apply OB values when tile has OB)
265    o model/src, coriolis setting:
266      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
267        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
268        files (selectCoriMap=3) with any grid.
269      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
270    o pkg/seaice/seaice_growth.F:
271        a few cosmetic changes that reduce the number of lines of code
272    o pkg/obcs: add boundary conditions following Stevens (1990)
273      - the code follows old MOM/NAOSIM code
274      - so far it is only implemented for the eastern and western boundaries
275        and NOT for pTracers
276    o pkg/rbcs:
277      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
278        beginning of the first rbcs forcing period.
279      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
280        offline package, i.e., one file per time, labeled by iteration number;
281        deltaTrbcs sets the timestep with which the data was generated;
282        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
283      - rbcsForcingCycle=0 makes forcing non-cyclic.
284      - make arithmetic safe for negative times and odd forcing periods.
285    
286    checkpoint62n (2010/11/09)
287    o pkg/seaice:
288        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
289    o pkg/obcs:
290       New S/R to copy tracer value from the OB location to narrow band region
291        (width = same as overlap) beyond the OB: preserve OB value (needed for
292        high-order scheme) which were overwritten by EXCH call if in overlap
293        region. Applied to theta, salt, ptracer and advected seaice variables.
294       With seaice: use maskInC in similar way as in gad_advection.F,
295        in seaice_advection.F and advect.F.
296       Update output of experiment seaice_obcs and change exp4 to test OBCS with
297        4th order Adv.Scheme. for pasive salt and ptracer.
298    o tools/genmake2:
299      - when looking for an optfile (not specified), only search for Fortran compiler
300        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
301      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
302        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
303      - set default for CPP to "cpp -traditional -P" (was the case without specifying
304        an optfile, but otherwise default was just "cpp".
305      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
306      - when "CC" is not set in the optfile, look for possible C compiler
307        (instead of just setting CC=cc)
308      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
309        => add a ".F" to ".o" rule for source files with no "#include" (such as
310           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
311      - move gfortran before g77 in list of possible Fortran compiler (consistent
312        with reference compiler switch from g77 to gfortran)
313    o pkg/seaice:
314      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
315        seaice_check that stops the model, when the CPP flag is used.
316      o seaice_growth.F: make capping of ice volume conserving by returning the
317        capped ice as freshwater to EmPmR. This does not change the verification
318        experiments but will change runs where the capping is acutally active
319    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
320      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
321         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
322         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
323    o tools/genmake2:
324      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
325      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
326      - clean previous genmake log files before anything else.
327      - change Makefile to remove testreport log files (*.tr_log) and genmake log
328        files only with "CLEAN" target (instead of "Clean");
329    o pkg/generic_advdiff:
330      Change OBCS in multiDim advection (gad_advection.F):
331       Use maskInC to prevent intermediate update of tracer-field in OB regions,
332       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
333       which were applying future time-step OB values.
334      This way, all explicit calculations use current-time-step OB values
335       (simpler and more consistent).
336      Affects results when set-up uses time-varying OBC and multi-dim advection;
337       update output of experiment seaice_obcs.
338    o pkg/seaice:
339      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
340       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
341         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
342      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
343       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
344       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
345    o pkg aim (2010/10/26):
346      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
347        formulation with obliquity, eccentricity, ... as run-time parameters,
348      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
349        upward shortwave radition at the surface (all-sky and clear-sky).
350    o pkg/obcs:
351      - writing sections with globalFiles=T does not work: switch to tiled-files
352        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
353      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
354      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
355    
356    checkpoint62m (2010/10/21)
357    o pkg/seaice: vectorize seaice_solve4temp.F
358      - move iterations loops outside of i/j-loops
359      - requires 2D arrays for TB and effConduct
360      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
361        modified in this routine
362      - a little bit of clean up, adjusting indentation, etc.
363      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
364        performance and '**TWO' by '**2' (because TWO is a float),
365        replaced ONE, ZERO
366    o eesupp/src:
367       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
368    o pkg/seaice/seaice_growth.F
369      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
370      merging process. The merged routine has two branches, and one activates the 'evolution'
371      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
372      In summary, here is what the '10/10 revision' did consist of
373        part 1: seaice_growth.F revisions 1.71 to 1.75
374          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
375            The emphasis here was on improving readability (e.g. by trying to use meaningful
376            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
377        part 1.5:
378          - revising the lab_sea experiment to make it a more useful (i.e. stable
379            and representative of an actual model run). This was done by generating a
380            (winter) pickup to start from, switching back the main experiment dynamic
381            solver from evp to lsr, having one of the experiments use the free drift solution.
382        part 2: seaice_growth.F revisions 1.76 to 1.85
383          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
384          - Sorting out the various fields units and sign (set early on and reset at the end)
385            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
386            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
387          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
388            and simplifying logical expressions to further improve readibility.
389        part 3: seaice_growth.F revisions 1.86 to 1.89
390          - Re-organize the blocks of code more logically.
391          - Merging the '_if.F' pieces that add something new.
392    o pkg/thsice:
393      - vectorize thsice_solve4temp and thsice_get_exf.
394        Problem: thsice_solve4temp has an unvectorizable statement that
395        might also be problematic for TAF
396      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
397        does not change the verifcation experiment, but will change all
398        experiments that have this flag undefined (not tested in verification);
399        a little reorganization to save a few 2D fields and recomputations
400      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
401      - 2nd step:  fix some store dirs
402        o seems to work somewhat, i.e. using ifort but not g77
403        o likely cause are incomplete init. or recomputation
404        o start verification/global_ocean.cs32x15/input_ad.thsice
405    o pkg/obcs: add support for exch2
406      - the position of the boundary and prescribed values are specified using
407        a global domain with exch2 facets stacked
408        - in x for N,S boundaries (like W2_mapIO=-1)
409        - in y for E,W boundaries (so E,W boundaries do not overlap)
410    o pkg/mdsio: add support for writing global sections with exch2
411        file layout is as for obcs described above:
412        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
413        - for y-z sections, facets are stacked in y
414    o pkg/thsice:
415       - change a few routines for better vectorization: thsice_albedo.F,
416         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
417         not affected, but in particular the latter routine has changed
418         dramatically (not necessarily easier to read now).
419       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
420       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
421    o verification/lab_sea:
422      - overhaul of the forward model experiments. The main motivation
423        for this revision is that lab_sea has proven quite fragile (when
424        changing the sea-ice code, and switching platforms) to a point
425        when failures were very hard to attribute to specific code problems.
426      - the suspected reason for this fragility is noise amplification by evp so,
427        to start with, we decided to replace evp with lsr in the main experiment.
428      - the input.lsr experiment thus became obsolete and was removed.
429      - it was replaced with the input.fd experiment that uses an
430        analytical "free drift" solution as the ice velocity field.
431      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
432        will hopefully allow us to discriminate problems due to dynamic solvers
433        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
434        us to test additional options, along with the salt plume package.
435      - Finally a pickup was generated (at the end of a one year run) to
436        make the tests more representative of an actual model run. Previously
437        the tests starting point was a 1m thickness of ice everywhere.
438    o pkg/seaice:
439      - introducing S\R seaice_freedrift.F that compute the
440        analytical solution to an approximate ice momentum
441        equation (i.e. the simple stress/coriolis balance).
442      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
443        of the free drift velocity field, and enable its use.
444        To actually use the free drift solution as the model ice
445        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
446    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
447    
448    checkpoint62l (2010/10/04)
449    o pkg/seaice:
450      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
451      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
452       version (with USE_ORIGINAL_SBI undef);
453    o add hooks for new packages OASIS, the package will follow
454      (hooks exclude the seaice pkg for now)
455    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
456      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
457      rather than mdsio_readvector.F/mdsio_writevector.F, within
458      adread_adwrite.F to read/write adjoint-related tapes to disk.
459    o eesupp and pkg/mdsio: ALLOW_WHIO
460      Option to write/read 2D fields to files including tiles halos.
461      The main purpose is for adjoint related "tape I/O".
462      The secondary purpose is for debugging phases.
463      A word on those rather specifically intended purposes.
464      The code was meant to be stripped down to the bare minimum.
465      Typically, there is a unique and basic mapping to the global
466      buffer (tile by tile, then proc by proc, then level by level), and
467      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
468      meant to generate user friendly outputs of various shapes and forms.
469      Rather it is intended, for the knowledgeabale developers,
470      to be largely independent of the many mdsio options, to allow
471      outputs of tiles+halos in debugging phases and in adjoint runs,
472      and to allow some flexibility in tuning (adoint) I/O depending on each
473      file system behavior. With regard to tuning, most of the potential knobs
474      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
475      to specify directories, to specify the typical size of I/O calls, etc.)
476      are not yet included, and will be added if they prove useful.
477    o pkg/seaice:
478       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
479    o pkg/seaice:
480       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
481       code (seaice_budget_ice_if.F) which enable to recover old standard
482       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
483       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
484    o model/src (rStar):
485       use simple average (not area weighted) of rStarFac at U,V point when using
486       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
487       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
488    
489    checkpoint62k (2010/09/17)
490    o adjoint
491       * changed verification/global_ocean.cs32x15 ; adjoint now tests
492         Adams-Bashforth 3 + NLFS + RSTAR
493       * some more modifs required for ECCO-GODAE v4
494    o pkg/seaice
495       add SEAICE_AGE_VOL option to use volume instead of area for
496       integrating SEAICE_AGE
497  o model/src:  o model/src:
498     first check-in of sigma & hybrid-sigma coordinate code ; also includes     first check-in of sigma & hybrid-sigma coordinate code ; also includes
499     non-linear free-surface parts ; but pressure-gradient not yet coded.     non-linear free-surface parts ; but pressure-gradient not yet coded.
# Line 273  o tools/build_options: Line 763  o tools/build_options:
763      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
764  o pkg/ecco  o pkg/ecco
765    - allow user defined cost function contributions    - allow user defined cost function contributions
766          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
767          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
768    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
769        the two options are complementary.        the two options are complementary.
770  o pkg/smooth  o pkg/smooth

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