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revision 1.1295 by jmc, Sat Sep 11 21:39:13 2010 UTC revision 1.1405 by jmc, Sat Apr 2 18:10:15 2011 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint62v (2011/04/02)
8    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
9      (new velocity statistics after changing maskInW & maskInS definition)
10    o pkg/generic_advdiff with OBCS:
11      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
12      equivalent to assumption of no tracer gradient outside the OB region.
13      This will affect the results if using obcs+biharmonic diffusion.
14      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
15    o pkg/obcs:
16      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
17      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
18      in Interior region. No impact on solution but affects Velocity monitor stats.
19    o pkg/ptracers (adjoint)
20      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
21      tape file for each tracer
22    o model/inc/src and pkg/autodiff: add parameters that allow to turn
23      of parts of the adjoint code at run time. For now, there are only
24      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
25      parameters are set in data.pkg.
26      This is the lazy coward's version of doing this, but still useful for
27      debugging. In order to do it right, everything needs to be moved to
28      pkg/autodiff.
29    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
30      the end; this fixes the adjoint balancing code for open boundaries.
31    o pkg/ctrl:
32      - change behavior of xx_${varname}period to be analogous to exf-conventions:
33        xx_${varname}period =   0.,  means time-independent control part
34        xx_${varname}period = -12., means one-year-periodic monthly control part
35      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
36        clean up ctrl_init a little, remove unused variables
37      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
38      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
39    
40    checkpoint62u (2011/03/15)
41    o model/src:
42      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
43        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
44      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
45        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
46    o pkg/ctrl/obcs/ecco:
47      - remove obsolete, unused, and partially broken code:
48        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
49        ALLOW_CTRL_OBCS_BALANCE
50      - put a stop statement into ecco/cost_obcsvol.F, but also add
51        cost_obcsvol to ecco_ad_diff.list
52    o pkg/ecco: fix counting cost function contributions for obcs (code
53      by Matt M.) and diffkr for diagnostics
54    o pkg/ecco, pkg/ctrl, pkg/grdchk:
55      add cost penalty terms for initial uvel, vvel, eta controls
56      and I/O for prior error files
57    o pkg/mdsio:
58       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
59       (new argument) to check for tiled file in mdsioLocalDir : this fix the
60       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
61    o pkg/ctrl:
62     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
63       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
64       unused and superfluous variables
65     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
66    o pkg/ecco
67     - enable adjoint of Stevens OB
68    o pkg/ctrl/ecco/grdchk:
69      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
70        Fortunately, we do not have any tests for the numerous cpp-flagged
71        option of "obcs as control parameters" so we will never know
72        if this is an improvement (but at least now things compile).
73      - remove an obsolete initialization from ecco_cost_init_barfiles.F
74      - fix some problems within never used ifdefs to make the code compile
75    o pkg/obcs:
76     - Refine Interior mask definition to work with more complex OB (e.g.
77       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
78       read in Interior mask from file. Check if Interior mask is consistent
79       with OB list of indices.
80    o pkg/seaice
81     - beginning code for a seaice tracer package,
82       but currently only used for seaice age: SEAICE_AGE
83       SEAICE_num = 4
84       iTracer = 1: area-weighted ice age
85               = 2: volume-weighted ice age
86               = 3, 4: template for one-year vs. multi-year ice
87       data.seaice has new namelist SEAICE_PARM03 for arrays related to
88       SEAICE_num
89    
90    checkpoint62t (2011/03/05)
91    o pkg/obcs:
92     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
93       then normal component. This ensures that the normal component is set
94       correctly even when it conficts with tangential setting from an other OB.
95       Affects results of test-experiment seaice_obcs: update the output.txt
96    o pkg/obcs:
97     - add code to monitor statistics of dynamical fields at OB.
98     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
99       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
100       - change default: balance the Net inflow through all OB (instead of balancing
101         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
102     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
103       to match Nortern OB inflow (OBCS_balanceFacN=0).
104    o pkg/seaice:
105     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
106    o pkg/seaice (seaice_growth v 1.113):
107     - reverting seaice_growth to v 1.111 in order to have code with exact bit
108       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
109       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
110       runtime flag SEAICEareaFormula is kept but is inactive
111    o model/src:
112     - add new param to scale curvilinear grid distance and area when using
113       a different sphere radius from the grid-files.
114     - test/check multi-threads EXCH applied to local variable (cg2d_x)
115    o adjoint:
116     - enable adjoint of Stevens OB
117     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
118       (a bit delicate because of potentially modified adj. common block structure;
119       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
120    
121    checkpoint62s (2011/02/15)
122    o pkg/seaice (seaice_growth v 1.112):
123     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
124       computing the ice cover tendency from effective thickness tendencies. Include
125       Ian Fenty's formula.
126     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
127       SEAICEareaFormula.
128     - simplify notations for the various d_HEFF/d_AREA terms.
129    o pkg/gmredi:
130     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
131       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
132       add a verification test-run (front_relax.bvp) to test GM_useBVP.
133    o pkg/seaice (seaice_growth v 1.111):
134     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
135     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
136       also melt ice.
137    o pkg/seaice:
138     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
139     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
140    o pkg/cheapaml:
141     - from Nico Wienders: New version of this package.
142    o pkg/flt:
143     - add CPP options to prevent floats to re-enter the opposite side of
144       a periodic domain (default: keep periodicity)
145    o pkg/gmredi:
146     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
147       (needed for multi-dim advection).
148     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
149    o model/src:
150     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
151    o tutorial_tracer_adjsens
152     - extend to NLFS and replace maskC by hFacC
153       (change reference output accordingly)
154    
155    checkpoint62r (2011/01/24)
156    o testreport:
157     - add option -deloutp (-do) to remove output file after successful run
158     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
159       extract exact list of procs from this file ; adjust COMMAND by
160       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
161    o pkg/ecco: replace old ineffective way of penalizing deviations from
162      first guess (of obcs) with code by Matt Mazloff
163    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
164      exf/cal
165      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
166        and handle case of obcs?period == 0
167        Not affected by these changes: There is still an inconsistency in
168        the computation of start/endrec for the obcs variables for ALLOW_CAL
169        defined (see comment by Menemenlis, 7-Mar-2003)
170      - make S/R ctrl_get_gen_rec return something meaningful even if
171        ALLOW_CAL is not defined
172      - ctrl_getobcs?: simplify code so that it does not need to use
173                       S/R exf_swapfields
174    o testreport:
175       allow to test MPI with different number of processors for each experiment:
176       create file "SIZE.h.mpi" in each build dir.
177       Note: update of "-command" argument not yet implemented.
178    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
179      alleviate the need for additional 3D tapes when using
180      the non-inear free surface in the adjoint. This is done
181      by adding an 'update' of hfacc etc. to their current
182      value at the beginning of forward_step.F.
183    o pkg/seaice
184      seaice_lsr: move stress-divergence computations out of outer pseudo-
185      timestepping loop
186    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
187      up, so that the calls of the ctrl_* subroutines are really at the end
188      of the routine.
189    o pkg/gmredi:
190      allow to specify a 2-D horizontal map and a 1-D vertical profil
191      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
192    o pkg/seaice:
193      move lsr iterations from seaice_dynsolver to seaice_lsr.
194    o pkg/seaice:
195      reduce memory footprint of seaice mutldim advection tapes,
196      by using a 2D tape independent of the generic_advdiff ones,
197      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
198    
199    checkpoint62q (2010/12/29)
200    o model/src:
201      - check horizontal grid-spacing for unset or zero/negative values.
202      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
203    o pkg/flt:
204      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
205      - precision of input and output files set according to readBinaryPrec
206        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
207      - initial float position from tiled file was not converted to index space
208        (looks like a bug): fixed to make it similar to initial pos. global file.
209    o global_ocean.cs32x15:
210       change SIZE.h of AD set-up to get same tiling as with MPI.
211       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
212    o model/src:
213       add flag to control printing of domain fields (bathymetry, hFac ...) in
214       ini_mask_etc (call to plot_fieds_xy*).
215    o pkg/thsice:
216       if useEXF, some forcing fields are not valid in overlap: fixed by computing
217       over the interior only + apply EXCH at the end (like with SEAICE advection).
218    o pkg/mdsio:
219      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
220        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
221      - change barrier call for safe multi-threads access to 3-D shared buffer.
222      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
223      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
224        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
225    o pkg/flt:
226      - add fourth-order Runge-Kutta integration
227      - add basic exch2 support (only 1 facet supported so far!)
228    o pkg/mdsio+rw:
229      new S/R to read local (or tile independent) vector (read counterpart of
230       mds_writevec_loc, and front-end write_glvec_rl/rs).
231    o global_ocean.cs32x15: additional input_ad.seaice experiment
232        that uses pkg/seaice rather than pkg/thsice.
233        (using multidim advection for seaice)
234    o towards more F95 syntax for array specification in namelist:
235      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
236        of all verification experiments.
237           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
238          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
239      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
240    o global_ocean.cs32x15: additional input.seaice experiment
241        that uses pkg/seaice rather than pkg/thsice.
242    
243    checkpoint62p (2010/12/17)
244    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
245        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
246    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
247        allow for use of multim. advection in seaice adjoint.
248    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
249      - first attempt to close budgets by taking into account the freshwater
250        flux implied by the sublimation of snow and ice. So far only the
251        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
252        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
253    o eesupp/src:
254      new S/R with new option (NML_EXTENDED_F77) to change array specification
255      from F95 standard to commonly accepted extended F77 form.
256      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
257      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
258      for less tolerant f77 compiler (e.g., pgf77, g77).
259    o globalFiles:
260      commented out in parameter file "data" since it's not safe with MPI
261      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
262      in this case); no longer commented out in restart test (tst_2+2).
263    o add adTapeDir to specify a special directory where adjoint tapes are
264      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
265      and cannot be used together with mdsioLocalDir.
266    o nesting pkgs:
267      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
268      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
269      - add parameter files + utils dir + output from short run on beagle.
270    o pkg/seaice:
271        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
272    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
273      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
274    
275    checkpoint62o (2010/11/25)
276    o pkg/exf:
277      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
278    o pkg/seaice:
279      - seaice_ocean_stress: split a loop for better vectorization of the
280        adjoint code
281      - seaice_growth.F: fix bug in conservation of freshwater connected to
282        capping of heff, put contribution into d_HEFFbyNEG
283      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
284        by something more sensible (parameters that are what their name implies)
285      - change some defaults, so that by default exf-parameters are used for
286        things like rhoAir, cpAir,latent/sensible heat parameters, in order
287        to reproduce the old results, many data.seaice now contain funny values
288        for cpAir and latent heat of sublimation
289    o packages_readparms.F: move exf_readparms up in line so that
290        exf-parameters are visible for other packages (e.g. seaice)
291    o debugMode & debugLevel=2:
292      - differentiate between debugMode & debugLevel=2:
293        debugMode: controls printing of debug messages (sequence of S/R calls).
294        debugLevel: controls printing of algorithm intermediate results and stats.
295      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
296        => allows to print debug-stats without all sequence of call messages.
297      - switch control of debug print from debugLevel to debugMode in many S/R.
298    o pkg/obcs (obcs-sponge):
299        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
300        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
301    o pkg/generic_advdiff:
302      - record overlap minimum size for each advection scheme;
303      - refine criteria on overlap minimum size;
304      - check and stop (in gad_check) if overlap size is too small.
305    o pkg/obcs:
306      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
307        once, in ptracers_implicit.F)
308      - with seaice: remove test on empty file name in obcs_apply_seaice (always
309        apply OB values when tile has OB)
310    o model/src, coriolis setting:
311      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
312        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
313        files (selectCoriMap=3) with any grid.
314      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
315    o pkg/seaice/seaice_growth.F:
316        a few cosmetic changes that reduce the number of lines of code
317    o pkg/obcs: add boundary conditions following Stevens (1990)
318      - the code follows old MOM/NAOSIM code
319      - so far it is only implemented for the eastern and western boundaries
320        and NOT for pTracers
321    o pkg/rbcs:
322      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
323        beginning of the first rbcs forcing period.
324      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
325        offline package, i.e., one file per time, labeled by iteration number;
326        deltaTrbcs sets the timestep with which the data was generated;
327        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
328      - rbcsForcingCycle=0 makes forcing non-cyclic.
329      - make arithmetic safe for negative times and odd forcing periods.
330    
331    checkpoint62n (2010/11/09)
332    o pkg/seaice:
333        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
334    o pkg/obcs:
335       New S/R to copy tracer value from the OB location to narrow band region
336        (width = same as overlap) beyond the OB: preserve OB value (needed for
337        high-order scheme) which were overwritten by EXCH call if in overlap
338        region. Applied to theta, salt, ptracer and advected seaice variables.
339       With seaice: use maskInC in similar way as in gad_advection.F,
340        in seaice_advection.F and advect.F.
341       Update output of experiment seaice_obcs and change exp4 to test OBCS with
342        4th order Adv.Scheme. for pasive salt and ptracer.
343    o tools/genmake2:
344      - when looking for an optfile (not specified), only search for Fortran compiler
345        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
346      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
347        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
348      - set default for CPP to "cpp -traditional -P" (was the case without specifying
349        an optfile, but otherwise default was just "cpp".
350      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
351      - when "CC" is not set in the optfile, look for possible C compiler
352        (instead of just setting CC=cc)
353      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
354        => add a ".F" to ".o" rule for source files with no "#include" (such as
355           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
356      - move gfortran before g77 in list of possible Fortran compiler (consistent
357        with reference compiler switch from g77 to gfortran)
358    o pkg/seaice:
359      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
360        seaice_check that stops the model, when the CPP flag is used.
361      o seaice_growth.F: make capping of ice volume conserving by returning the
362        capped ice as freshwater to EmPmR. This does not change the verification
363        experiments but will change runs where the capping is acutally active
364    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
365      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
366         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
367         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
368    o tools/genmake2:
369      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
370      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
371      - clean previous genmake log files before anything else.
372      - change Makefile to remove testreport log files (*.tr_log) and genmake log
373        files only with "CLEAN" target (instead of "Clean");
374    o pkg/generic_advdiff:
375      Change OBCS in multiDim advection (gad_advection.F):
376       Use maskInC to prevent intermediate update of tracer-field in OB regions,
377       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
378       which were applying future time-step OB values.
379      This way, all explicit calculations use current-time-step OB values
380       (simpler and more consistent).
381      Affects results when set-up uses time-varying OBC and multi-dim advection;
382       update output of experiment seaice_obcs.
383    o pkg/seaice:
384      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
385       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
386         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
387      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
388       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
389       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
390    o pkg aim (2010/10/26):
391      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
392        formulation with obliquity, eccentricity, ... as run-time parameters,
393      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
394        upward shortwave radition at the surface (all-sky and clear-sky).
395    o pkg/obcs:
396      - writing sections with globalFiles=T does not work: switch to tiled-files
397        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
398      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
399      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
400    
401    checkpoint62m (2010/10/21)
402    o pkg/seaice: vectorize seaice_solve4temp.F
403      - move iterations loops outside of i/j-loops
404      - requires 2D arrays for TB and effConduct
405      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
406        modified in this routine
407      - a little bit of clean up, adjusting indentation, etc.
408      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
409        performance and '**TWO' by '**2' (because TWO is a float),
410        replaced ONE, ZERO
411    o eesupp/src:
412       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
413    o pkg/seaice/seaice_growth.F
414      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
415      merging process. The merged routine has two branches, and one activates the 'evolution'
416      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
417      In summary, here is what the '10/10 revision' did consist of
418        part 1: seaice_growth.F revisions 1.71 to 1.75
419          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
420            The emphasis here was on improving readability (e.g. by trying to use meaningful
421            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
422        part 1.5:
423          - revising the lab_sea experiment to make it a more useful (i.e. stable
424            and representative of an actual model run). This was done by generating a
425            (winter) pickup to start from, switching back the main experiment dynamic
426            solver from evp to lsr, having one of the experiments use the free drift solution.
427        part 2: seaice_growth.F revisions 1.76 to 1.85
428          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
429          - Sorting out the various fields units and sign (set early on and reset at the end)
430            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
431            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
432          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
433            and simplifying logical expressions to further improve readibility.
434        part 3: seaice_growth.F revisions 1.86 to 1.89
435          - Re-organize the blocks of code more logically.
436          - Merging the '_if.F' pieces that add something new.
437    o pkg/thsice:
438      - vectorize thsice_solve4temp and thsice_get_exf.
439        Problem: thsice_solve4temp has an unvectorizable statement that
440        might also be problematic for TAF
441      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
442        does not change the verifcation experiment, but will change all
443        experiments that have this flag undefined (not tested in verification);
444        a little reorganization to save a few 2D fields and recomputations
445      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
446      - 2nd step:  fix some store dirs
447        o seems to work somewhat, i.e. using ifort but not g77
448        o likely cause are incomplete init. or recomputation
449        o start verification/global_ocean.cs32x15/input_ad.thsice
450    o pkg/obcs: add support for exch2
451      - the position of the boundary and prescribed values are specified using
452        a global domain with exch2 facets stacked
453        - in x for N,S boundaries (like W2_mapIO=-1)
454        - in y for E,W boundaries (so E,W boundaries do not overlap)
455    o pkg/mdsio: add support for writing global sections with exch2
456        file layout is as for obcs described above:
457        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
458        - for y-z sections, facets are stacked in y
459    o pkg/thsice:
460       - change a few routines for better vectorization: thsice_albedo.F,
461         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
462         not affected, but in particular the latter routine has changed
463         dramatically (not necessarily easier to read now).
464       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
465       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
466    o verification/lab_sea:
467      - overhaul of the forward model experiments. The main motivation
468        for this revision is that lab_sea has proven quite fragile (when
469        changing the sea-ice code, and switching platforms) to a point
470        when failures were very hard to attribute to specific code problems.
471      - the suspected reason for this fragility is noise amplification by evp so,
472        to start with, we decided to replace evp with lsr in the main experiment.
473      - the input.lsr experiment thus became obsolete and was removed.
474      - it was replaced with the input.fd experiment that uses an
475        analytical "free drift" solution as the ice velocity field.
476      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
477        will hopefully allow us to discriminate problems due to dynamic solvers
478        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
479        us to test additional options, along with the salt plume package.
480      - Finally a pickup was generated (at the end of a one year run) to
481        make the tests more representative of an actual model run. Previously
482        the tests starting point was a 1m thickness of ice everywhere.
483    o pkg/seaice:
484      - introducing S\R seaice_freedrift.F that compute the
485        analytical solution to an approximate ice momentum
486        equation (i.e. the simple stress/coriolis balance).
487      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
488        of the free drift velocity field, and enable its use.
489        To actually use the free drift solution as the model ice
490        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
491    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
492    
493    checkpoint62l (2010/10/04)
494    o pkg/seaice:
495      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
496      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
497       version (with USE_ORIGINAL_SBI undef);
498    o add hooks for new packages OASIS, the package will follow
499      (hooks exclude the seaice pkg for now)
500    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
501      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
502      rather than mdsio_readvector.F/mdsio_writevector.F, within
503      adread_adwrite.F to read/write adjoint-related tapes to disk.
504    o eesupp and pkg/mdsio: ALLOW_WHIO
505      Option to write/read 2D fields to files including tiles halos.
506      The main purpose is for adjoint related "tape I/O".
507      The secondary purpose is for debugging phases.
508      A word on those rather specifically intended purposes.
509      The code was meant to be stripped down to the bare minimum.
510      Typically, there is a unique and basic mapping to the global
511      buffer (tile by tile, then proc by proc, then level by level), and
512      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
513      meant to generate user friendly outputs of various shapes and forms.
514      Rather it is intended, for the knowledgeabale developers,
515      to be largely independent of the many mdsio options, to allow
516      outputs of tiles+halos in debugging phases and in adjoint runs,
517      and to allow some flexibility in tuning (adoint) I/O depending on each
518      file system behavior. With regard to tuning, most of the potential knobs
519      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
520      to specify directories, to specify the typical size of I/O calls, etc.)
521      are not yet included, and will be added if they prove useful.
522    o pkg/seaice:
523       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
524    o pkg/seaice:
525       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
526       code (seaice_budget_ice_if.F) which enable to recover old standard
527       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
528       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
529    o model/src (rStar):
530       use simple average (not area weighted) of rStarFac at U,V point when using
531       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
532       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
533    
534    checkpoint62k (2010/09/17)
535    o adjoint
536       * changed verification/global_ocean.cs32x15 ; adjoint now tests
537         Adams-Bashforth 3 + NLFS + RSTAR
538       * some more modifs required for ECCO-GODAE v4
539    o pkg/seaice
540       add SEAICE_AGE_VOL option to use volume instead of area for
541       integrating SEAICE_AGE
542  o model/src:  o model/src:
543     first check-in of sigma & hybrid-sigma coordinate code ; also includes     first check-in of sigma & hybrid-sigma coordinate code ; also includes
544     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 808  o tools/build_options:
808      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
809  o pkg/ecco  o pkg/ecco
810    - allow user defined cost function contributions    - allow user defined cost function contributions
811          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
812          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
813    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
814        the two options are complementary.        the two options are complementary.
815  o pkg/smooth  o pkg/smooth

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