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revision 1.1225 by jmc, Tue Jan 26 01:09:43 2010 UTC revision 1.1396 by mlosch, Mon Mar 14 17:35:43 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/ctrl/obcs/ecco:
8      - remove obsolete, unused, and partially broken code:
9        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
10        ALLOW_CTRL_OBCS_BALANCE
11      - put a stop statement into ecco/cost_obcsvol.F, but also add
12        cost_obcsvol to ecco_ad_diff.list
13    o pkg/ecco: fix counting cost function contributions for obcs (code
14      by Matt M.) and diffkr for diagnostics
15    o pkg/ecco, pkg/ctrl, pkg/grdchk:
16      add cost penalty terms for initial uvel, vvel, eta controls
17      and I/O for prior error files
18    o pkg/mdsio:
19       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
20       (new argument) to check for tiled file in mdsioLocalDir : this fix the
21       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
22    o pkg/ctrl:
23     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
24       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
25       unused and superfluous variables
26     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
27    o pkg/ecco
28     - enable adjoint of Stevens OB
29    o pkg/ctrl/ecco/grdchk:
30      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
31        Fortunately, we do not have any tests for the numerous cpp-flagged
32        option of "obcs as control parameters" so we will never know
33        if this is an improvement (but at least now things compile).
34      - remove an obsolete initialization from ecco_cost_init_barfiles.F
35      - fix some problems within never used ifdefs to make the code compile
36    o pkg/obcs:
37     - Refine Interior mask definition to work with more complex OB (e.g.
38       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
39       read in Interior mask from file. Check if Interior mask is consistent
40       with OB list of indices.
41    o pkg/seaice
42     - beginning code for a seaice tracer package,
43       but currently only used for seaice age: SEAICE_AGE
44       SEAICE_num = 4
45       iTracer = 1: area-weighted ice age
46               = 2: volume-weighted ice age
47               = 3, 4: template for one-year vs. multi-year ice
48       data.seaice has new namelist SEAICE_PARM03 for arrays related to
49       SEAICE_num
50    
51    checkpoint62t (2011/03/05)
52    o pkg/obcs:
53     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
54       then normal component. This ensures that the normal component is set
55       correctly even when it conficts with tangential setting from an other OB.
56       Affects results of test-experiment seaice_obcs: update the output.txt
57    o pkg/obcs:
58     - add code to monitor statistics of dynamical fields at OB.
59     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
60       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
61       - change default: balance the Net inflow through all OB (instead of balancing
62         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
63     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
64       to match Nortern OB inflow (OBCS_balanceFacN=0).
65    o pkg/seaice:
66     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
67    o pkg/seaice (seaice_growth v 1.113):
68     - reverting seaice_growth to v 1.111 in order to have code with exact bit
69       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
70       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
71       runtime flag SEAICEareaFormula is kept but is inactive
72    o model/src:
73     - add new param to scale curvilinear grid distance and area when using
74       a different sphere radius from the grid-files.
75     - test/check multi-threads EXCH applied to local variable (cg2d_x)
76    o adjoint:
77     - enable adjoint of Stevens OB
78     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
79       (a bit delicate because of potentially modified adj. common block structure;
80       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
81    
82    checkpoint62s (2011/02/15)
83    o pkg/seaice (seaice_growth v 1.112):
84     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
85       computing the ice cover tendency from effective thickness tendencies. Include
86       Ian Fenty's formula.
87     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
88       SEAICEareaFormula.
89     - simplify notations for the various d_HEFF/d_AREA terms.
90    o pkg/gmredi:
91     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
92       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
93       add a verification test-run (front_relax.bvp) to test GM_useBVP.
94    o pkg/seaice (seaice_growth v 1.111):
95     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
96     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
97       also melt ice.
98    o pkg/seaice:
99     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
100     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
101    o pkg/cheapaml:
102     - from Nico Wienders: New version of this package.
103    o pkg/flt:
104     - add CPP options to prevent floats to re-enter the opposite side of
105       a periodic domain (default: keep periodicity)
106    o pkg/gmredi:
107     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
108       (needed for multi-dim advection).
109     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
110    o model/src:
111     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
112    o tutorial_tracer_adjsens
113     - extend to NLFS and replace maskC by hFacC
114       (change reference output accordingly)
115    
116    checkpoint62r (2011/01/24)
117    o testreport:
118     - add option -deloutp (-do) to remove output file after successful run
119     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
120       extract exact list of procs from this file ; adjust COMMAND by
121       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
122    o pkg/ecco: replace old ineffective way of penalizing deviations from
123      first guess (of obcs) with code by Matt Mazloff
124    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
125      exf/cal
126      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
127        and handle case of obcs?period == 0
128        Not affected by these changes: There is still an inconsistency in
129        the computation of start/endrec for the obcs variables for ALLOW_CAL
130        defined (see comment by Menemenlis, 7-Mar-2003)
131      - make S/R ctrl_get_gen_rec return something meaningful even if
132        ALLOW_CAL is not defined
133      - ctrl_getobcs?: simplify code so that it does not need to use
134                       S/R exf_swapfields
135    o testreport:
136       allow to test MPI with different number of processors for each experiment:
137       create file "SIZE.h.mpi" in each build dir.
138       Note: update of "-command" argument not yet implemented.
139    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
140      alleviate the need for additional 3D tapes when using
141      the non-inear free surface in the adjoint. This is done
142      by adding an 'update' of hfacc etc. to their current
143      value at the beginning of forward_step.F.
144    o pkg/seaice
145      seaice_lsr: move stress-divergence computations out of outer pseudo-
146      timestepping loop
147    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
148      up, so that the calls of the ctrl_* subroutines are really at the end
149      of the routine.
150    o pkg/gmredi:
151      allow to specify a 2-D horizontal map and a 1-D vertical profil
152      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
153    o pkg/seaice:
154      move lsr iterations from seaice_dynsolver to seaice_lsr.
155    o pkg/seaice:
156      reduce memory footprint of seaice mutldim advection tapes,
157      by using a 2D tape independent of the generic_advdiff ones,
158      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
159    
160    checkpoint62q (2010/12/29)
161    o model/src:
162      - check horizontal grid-spacing for unset or zero/negative values.
163      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
164    o pkg/flt:
165      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
166      - precision of input and output files set according to readBinaryPrec
167        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
168      - initial float position from tiled file was not converted to index space
169        (looks like a bug): fixed to make it similar to initial pos. global file.
170    o global_ocean.cs32x15:
171       change SIZE.h of AD set-up to get same tiling as with MPI.
172       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
173    o model/src:
174       add flag to control printing of domain fields (bathymetry, hFac ...) in
175       ini_mask_etc (call to plot_fieds_xy*).
176    o pkg/thsice:
177       if useEXF, some forcing fields are not valid in overlap: fixed by computing
178       over the interior only + apply EXCH at the end (like with SEAICE advection).
179    o pkg/mdsio:
180      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
181        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
182      - change barrier call for safe multi-threads access to 3-D shared buffer.
183      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
184      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
185        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
186    o pkg/flt:
187      - add fourth-order Runge-Kutta integration
188      - add basic exch2 support (only 1 facet supported so far!)
189    o pkg/mdsio+rw:
190      new S/R to read local (or tile independent) vector (read counterpart of
191       mds_writevec_loc, and front-end write_glvec_rl/rs).
192    o global_ocean.cs32x15: additional input_ad.seaice experiment
193        that uses pkg/seaice rather than pkg/thsice.
194        (using multidim advection for seaice)
195    o towards more F95 syntax for array specification in namelist:
196      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
197        of all verification experiments.
198           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
199          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
200      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
201    o global_ocean.cs32x15: additional input.seaice experiment
202        that uses pkg/seaice rather than pkg/thsice.
203    
204    checkpoint62p (2010/12/17)
205    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
206        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
207    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
208        allow for use of multim. advection in seaice adjoint.
209    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
210      - first attempt to close budgets by taking into account the freshwater
211        flux implied by the sublimation of snow and ice. So far only the
212        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
213        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
214    o eesupp/src:
215      new S/R with new option (NML_EXTENDED_F77) to change array specification
216      from F95 standard to commonly accepted extended F77 form.
217      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
218      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
219      for less tolerant f77 compiler (e.g., pgf77, g77).
220    o globalFiles:
221      commented out in parameter file "data" since it's not safe with MPI
222      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
223      in this case); no longer commented out in restart test (tst_2+2).
224    o add adTapeDir to specify a special directory where adjoint tapes are
225      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
226      and cannot be used together with mdsioLocalDir.
227    o nesting pkgs:
228      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
229      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
230      - add parameter files + utils dir + output from short run on beagle.
231    o pkg/seaice:
232        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
233    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
234      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
235    
236    checkpoint62o (2010/11/25)
237    o pkg/exf:
238      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
239    o pkg/seaice:
240      - seaice_ocean_stress: split a loop for better vectorization of the
241        adjoint code
242      - seaice_growth.F: fix bug in conservation of freshwater connected to
243        capping of heff, put contribution into d_HEFFbyNEG
244      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
245        by something more sensible (parameters that are what their name implies)
246      - change some defaults, so that by default exf-parameters are used for
247        things like rhoAir, cpAir,latent/sensible heat parameters, in order
248        to reproduce the old results, many data.seaice now contain funny values
249        for cpAir and latent heat of sublimation
250    o packages_readparms.F: move exf_readparms up in line so that
251        exf-parameters are visible for other packages (e.g. seaice)
252    o debugMode & debugLevel=2:
253      - differentiate between debugMode & debugLevel=2:
254        debugMode: controls printing of debug messages (sequence of S/R calls).
255        debugLevel: controls printing of algorithm intermediate results and stats.
256      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
257        => allows to print debug-stats without all sequence of call messages.
258      - switch control of debug print from debugLevel to debugMode in many S/R.
259    o pkg/obcs (obcs-sponge):
260        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
261        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
262    o pkg/generic_advdiff:
263      - record overlap minimum size for each advection scheme;
264      - refine criteria on overlap minimum size;
265      - check and stop (in gad_check) if overlap size is too small.
266    o pkg/obcs:
267      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
268        once, in ptracers_implicit.F)
269      - with seaice: remove test on empty file name in obcs_apply_seaice (always
270        apply OB values when tile has OB)
271    o model/src, coriolis setting:
272      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
273        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
274        files (selectCoriMap=3) with any grid.
275      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
276    o pkg/seaice/seaice_growth.F:
277        a few cosmetic changes that reduce the number of lines of code
278    o pkg/obcs: add boundary conditions following Stevens (1990)
279      - the code follows old MOM/NAOSIM code
280      - so far it is only implemented for the eastern and western boundaries
281        and NOT for pTracers
282    o pkg/rbcs:
283      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
284        beginning of the first rbcs forcing period.
285      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
286        offline package, i.e., one file per time, labeled by iteration number;
287        deltaTrbcs sets the timestep with which the data was generated;
288        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
289      - rbcsForcingCycle=0 makes forcing non-cyclic.
290      - make arithmetic safe for negative times and odd forcing periods.
291    
292    checkpoint62n (2010/11/09)
293    o pkg/seaice:
294        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
295    o pkg/obcs:
296       New S/R to copy tracer value from the OB location to narrow band region
297        (width = same as overlap) beyond the OB: preserve OB value (needed for
298        high-order scheme) which were overwritten by EXCH call if in overlap
299        region. Applied to theta, salt, ptracer and advected seaice variables.
300       With seaice: use maskInC in similar way as in gad_advection.F,
301        in seaice_advection.F and advect.F.
302       Update output of experiment seaice_obcs and change exp4 to test OBCS with
303        4th order Adv.Scheme. for pasive salt and ptracer.
304    o tools/genmake2:
305      - when looking for an optfile (not specified), only search for Fortran compiler
306        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
307      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
308        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
309      - set default for CPP to "cpp -traditional -P" (was the case without specifying
310        an optfile, but otherwise default was just "cpp".
311      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
312      - when "CC" is not set in the optfile, look for possible C compiler
313        (instead of just setting CC=cc)
314      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
315        => add a ".F" to ".o" rule for source files with no "#include" (such as
316           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
317      - move gfortran before g77 in list of possible Fortran compiler (consistent
318        with reference compiler switch from g77 to gfortran)
319    o pkg/seaice:
320      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
321        seaice_check that stops the model, when the CPP flag is used.
322      o seaice_growth.F: make capping of ice volume conserving by returning the
323        capped ice as freshwater to EmPmR. This does not change the verification
324        experiments but will change runs where the capping is acutally active
325    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
326      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
327         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
328         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
329    o tools/genmake2:
330      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
331      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
332      - clean previous genmake log files before anything else.
333      - change Makefile to remove testreport log files (*.tr_log) and genmake log
334        files only with "CLEAN" target (instead of "Clean");
335    o pkg/generic_advdiff:
336      Change OBCS in multiDim advection (gad_advection.F):
337       Use maskInC to prevent intermediate update of tracer-field in OB regions,
338       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
339       which were applying future time-step OB values.
340      This way, all explicit calculations use current-time-step OB values
341       (simpler and more consistent).
342      Affects results when set-up uses time-varying OBC and multi-dim advection;
343       update output of experiment seaice_obcs.
344    o pkg/seaice:
345      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
346       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
347         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
348      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
349       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
350       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
351    o pkg aim (2010/10/26):
352      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
353        formulation with obliquity, eccentricity, ... as run-time parameters,
354      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
355        upward shortwave radition at the surface (all-sky and clear-sky).
356    o pkg/obcs:
357      - writing sections with globalFiles=T does not work: switch to tiled-files
358        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
359      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
360      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
361    
362    checkpoint62m (2010/10/21)
363    o pkg/seaice: vectorize seaice_solve4temp.F
364      - move iterations loops outside of i/j-loops
365      - requires 2D arrays for TB and effConduct
366      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
367        modified in this routine
368      - a little bit of clean up, adjusting indentation, etc.
369      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
370        performance and '**TWO' by '**2' (because TWO is a float),
371        replaced ONE, ZERO
372    o eesupp/src:
373       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
374    o pkg/seaice/seaice_growth.F
375      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
376      merging process. The merged routine has two branches, and one activates the 'evolution'
377      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
378      In summary, here is what the '10/10 revision' did consist of
379        part 1: seaice_growth.F revisions 1.71 to 1.75
380          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
381            The emphasis here was on improving readability (e.g. by trying to use meaningful
382            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
383        part 1.5:
384          - revising the lab_sea experiment to make it a more useful (i.e. stable
385            and representative of an actual model run). This was done by generating a
386            (winter) pickup to start from, switching back the main experiment dynamic
387            solver from evp to lsr, having one of the experiments use the free drift solution.
388        part 2: seaice_growth.F revisions 1.76 to 1.85
389          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
390          - Sorting out the various fields units and sign (set early on and reset at the end)
391            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
392            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
393          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
394            and simplifying logical expressions to further improve readibility.
395        part 3: seaice_growth.F revisions 1.86 to 1.89
396          - Re-organize the blocks of code more logically.
397          - Merging the '_if.F' pieces that add something new.
398    o pkg/thsice:
399      - vectorize thsice_solve4temp and thsice_get_exf.
400        Problem: thsice_solve4temp has an unvectorizable statement that
401        might also be problematic for TAF
402      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
403        does not change the verifcation experiment, but will change all
404        experiments that have this flag undefined (not tested in verification);
405        a little reorganization to save a few 2D fields and recomputations
406      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
407      - 2nd step:  fix some store dirs
408        o seems to work somewhat, i.e. using ifort but not g77
409        o likely cause are incomplete init. or recomputation
410        o start verification/global_ocean.cs32x15/input_ad.thsice
411    o pkg/obcs: add support for exch2
412      - the position of the boundary and prescribed values are specified using
413        a global domain with exch2 facets stacked
414        - in x for N,S boundaries (like W2_mapIO=-1)
415        - in y for E,W boundaries (so E,W boundaries do not overlap)
416    o pkg/mdsio: add support for writing global sections with exch2
417        file layout is as for obcs described above:
418        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
419        - for y-z sections, facets are stacked in y
420    o pkg/thsice:
421       - change a few routines for better vectorization: thsice_albedo.F,
422         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
423         not affected, but in particular the latter routine has changed
424         dramatically (not necessarily easier to read now).
425       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
426       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
427    o verification/lab_sea:
428      - overhaul of the forward model experiments. The main motivation
429        for this revision is that lab_sea has proven quite fragile (when
430        changing the sea-ice code, and switching platforms) to a point
431        when failures were very hard to attribute to specific code problems.
432      - the suspected reason for this fragility is noise amplification by evp so,
433        to start with, we decided to replace evp with lsr in the main experiment.
434      - the input.lsr experiment thus became obsolete and was removed.
435      - it was replaced with the input.fd experiment that uses an
436        analytical "free drift" solution as the ice velocity field.
437      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
438        will hopefully allow us to discriminate problems due to dynamic solvers
439        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
440        us to test additional options, along with the salt plume package.
441      - Finally a pickup was generated (at the end of a one year run) to
442        make the tests more representative of an actual model run. Previously
443        the tests starting point was a 1m thickness of ice everywhere.
444    o pkg/seaice:
445      - introducing S\R seaice_freedrift.F that compute the
446        analytical solution to an approximate ice momentum
447        equation (i.e. the simple stress/coriolis balance).
448      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
449        of the free drift velocity field, and enable its use.
450        To actually use the free drift solution as the model ice
451        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
452    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
453    
454    checkpoint62l (2010/10/04)
455    o pkg/seaice:
456      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
457      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
458       version (with USE_ORIGINAL_SBI undef);
459    o add hooks for new packages OASIS, the package will follow
460      (hooks exclude the seaice pkg for now)
461    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
462      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
463      rather than mdsio_readvector.F/mdsio_writevector.F, within
464      adread_adwrite.F to read/write adjoint-related tapes to disk.
465    o eesupp and pkg/mdsio: ALLOW_WHIO
466      Option to write/read 2D fields to files including tiles halos.
467      The main purpose is for adjoint related "tape I/O".
468      The secondary purpose is for debugging phases.
469      A word on those rather specifically intended purposes.
470      The code was meant to be stripped down to the bare minimum.
471      Typically, there is a unique and basic mapping to the global
472      buffer (tile by tile, then proc by proc, then level by level), and
473      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
474      meant to generate user friendly outputs of various shapes and forms.
475      Rather it is intended, for the knowledgeabale developers,
476      to be largely independent of the many mdsio options, to allow
477      outputs of tiles+halos in debugging phases and in adjoint runs,
478      and to allow some flexibility in tuning (adoint) I/O depending on each
479      file system behavior. With regard to tuning, most of the potential knobs
480      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
481      to specify directories, to specify the typical size of I/O calls, etc.)
482      are not yet included, and will be added if they prove useful.
483    o pkg/seaice:
484       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
485    o pkg/seaice:
486       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
487       code (seaice_budget_ice_if.F) which enable to recover old standard
488       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
489       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
490    o model/src (rStar):
491       use simple average (not area weighted) of rStarFac at U,V point when using
492       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
493       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
494    
495    checkpoint62k (2010/09/17)
496    o adjoint
497       * changed verification/global_ocean.cs32x15 ; adjoint now tests
498         Adams-Bashforth 3 + NLFS + RSTAR
499       * some more modifs required for ECCO-GODAE v4
500    o pkg/seaice
501       add SEAICE_AGE_VOL option to use volume instead of area for
502       integrating SEAICE_AGE
503    o model/src:
504       first check-in of sigma & hybrid-sigma coordinate code ; also includes
505       non-linear free-surface parts ; but pressure-gradient not yet coded.
506    o pkg/ptracers:
507       option for ptracer to convert Salt Relax into additional EmP.
508        tested in exp. global_ocean.90x40x15.dwnslp (update output)
509    
510    checkpoint62j (2010/08/25)
511    o pkg/ggl90:
512       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
513    o pkg/dic: car_flux.F, phos_flux.F
514      - reduce number of exp-calls in order to improve performance
515      - clean up a little (replace fields by their macros, etc., fix
516        typo in CPP-flag)
517    o pkg/ggl90: minor changes
518      - GGL90diffKrS was removed --> always use GGL90diffKr
519      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
520      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
521        (commented out for now)
522      - change in max/min operations to ensure that smoothing is ok
523      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
524      - always use diffKrNrT as background profile (i.e. never use diffKr field)
525    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
526    o pkg/dic:
527      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
528        vectorization
529      - small bug fix in insol for the unlikely case of a cartesian grid
530      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
531        + now vectorize, which also removes adjoint recomputations;
532        + replace integer maksp1 by _RL maskp1
533        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
534    
535    checkpoint62i (2010/07/21)
536    o pkg/flt:
537      - with OBCS: stop floats which enter the OB region
538    o model/src:
539      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
540        for implicit vertical advection.
541    o pkg/seaice:
542     - account for melting in seaice age evolution.
543     - remove double counting of seaice ridging effect on seaice age.
544    
545    checkpoint62h (2010/06/18)
546    o pkg/exch2:
547     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
548    o tools/genmake2
549      - remove "-pdefault" option: redundant with the use of "packages.conf";
550      - remove file pkg/pkg_default : set the default as a pkg group
551        ("default_pkg_list") defined in pkg/pkg_groups;
552      - fix for case pkg/pkg_depend is missing (was hanging before);
553      - add option "-pgroups" to specify a different pkg_groups than the default.
554    o verification/adjustment.cs-32x32x1:
555       add a "minimal" set-up test (code_min & input_min) which only compiles
556       eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
557    o tools/genmake2
558      - extend pkg_depend rules to model & eesupp (e.g., if model depend on [pkg]))
559      - fix details of checking for mnc & profile pkg when NetCDF is unavailable.
560    o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these
561      files are nearly the same anyway.
562      Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04:
563       - redefinition of tau(i,i) (by a factor of ustar)
564       - 1./exf(Const/T) -> exf(-Const/T) (big change in the results)
565       - replace rhonil by rhoConstFresh in computation of evap (bug fix)
566       - replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results)
567       - replace
568         rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh )
569         shn    = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j)
570         by
571         shn    = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh )
572         (changes results)
573       -> exf_bulkformulae v1.22,
574          update verification experiments lab_sea, offline_exf_seaice, seaice_obcs
575          (lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13,
576                    output.txt 1.63
577           offline_exf_seaice: output.seaicetd.txt 1.7
578           seaice_obcs: output.txt 1.10)
579      Step 2: do the actual merge and remove exf_bulk_largeyeager04.F
580       -> exf_bulkformulae v1.23,
581          unfortunately requires updating lab_sea.salt_plume (6 matching digits),
582          and global_ocean.cs32x15.icedyn (only 11 matching digits)
583      Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice.
584    o adjoint of exch-1:
585     - pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list)
586       (note: was already like this when using EXCH-2) and remove flow dir
587       and hand-written AD version of high-level EXCH S/R (pkg/autodiff);
588     - provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow);
589     - update pkg/exch2 diff list.
590    
591    checkpoint62g (2010/05/19)
592    o eesupp/src (exch-1):
593     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
594       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
595       (renamed to exch1_*rx_cube.F).
596     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
597       to call new exch1 S/R ; update Makefile and .cvsignore.
598     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
599       exch2_xy_rx later)
600      Note: after updating your code, need to run "make clean" in eesupp/src
601    o test experiment bottom_ctrl_5x5:
602       new output_adm.txt with fewer grdchk & less monitor output.
603    o model/src:
604      remove the call to ini_cori in initialise_varia.F (just keep the usual one
605       in initialise_fixed.F). More consistent with coriolis & horizontal grid
606       beeing treated in the same way (ini_grid is not called a 2nd time).
607    o pkg/exf:
608      - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
609      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
610      - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
611      - cosmetic changes to exf_bulkformulae.F to make it look more like
612        exf_bulk_largeyeager04.F
613    o eesupp/src (exch-1):
614      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
615      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
616        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
617        (even without using MPI).
618      - Message mode: move RecvAck setting (indicator of buffer being ready)
619        from send_put to recv_get S/R (was useless before, but not sure if
620        it's much more useful now);
621      - Switch the order of sync: MPI-proc 1rst and then threads;
622      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
623      - fix AD code for communication mode ='get' (but not used).
624    o model/src:
625      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
626      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
627    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
628    o pkg/ctrl: require a specific set of control variables and exf-flags for
629      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
630    o model/src:
631     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
632       1rst forward sweep, to avoid over-writing output files during recomputations
633       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
634     b) 2nd version:
635      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
636      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
637         writePickupAtEnd) + seaice & ptracers output;
638      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
639    o model/src:
640      - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
641    o pkg/exch2:
642      - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
643      - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
644    o pkg/autodiff & exch2:
645      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
646      (for now, only if ALLOW_EXCH2 is defined).
647    o pkg/autodiff:
648      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
649        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
650       + clean-up comments (_RS is not always real*4)
651      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
652      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
653        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
654    o testreport (AD-tests):
655      no longer link files from dir "../input" (1rst link files from
656      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
657    
658    checkpoint62f (2010/04/29)
659    o model/src/the_main_loop.F:
660      adjust store directives for seaice evp and multicategory according to
661      pkg/ecco/the_main_loop.F
662    o adjoint:
663      global_sum_ad was incomplete (noted many times by many people ;)
664      nice description by Jean U. as follows:
665      * allreduce(var) in global_sum.F can be interpreted as
666        reduce(sum) followed by broadcast of sum.
667      * The adjoint of that is
668        sum(adjoint) followed by broadcast(summed adjoint value)
669        or in other words, allreduce(sum, adjoint vars)
670      We were missing the sum(adjoint)!
671      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
672      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
673      The fix should produce 16-digit accuracy between
674      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
675      multi-CPU single-tile (e.g. nSx=1, nPx-2)
676      We'll probably change this yet again shortly
677    o eesupp/src:
678      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
679    o pkg/icefront
680      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
681        specification of addmass array based on a 2D field, which is added
682        at bottommost wet level at each horizontal location.
683    o model/src:
684     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
685     layout; (not always compatible with delX,delY setting; commented out for now).
686    o pkg/exch2:
687     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
688     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
689    
690    checkpoint62e (2010/04/15)
691    o pkg/obcs:
692      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
693    o pkg/dic:
694      -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
695        (note: not presently tested in any forward verification exp.)
696       update tutorial_global_oce_biogeo AD output file.
697    o pkg/exf:
698      - account for the variation of albedo as a function of zenith angle
699        by defining ALLOW_ZENITHANGLE in EXF_OPTIONS.h
700    o build_options:
701     - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"
702    o pkg/dic:
703      change DIC atmos-CO2 box (method 3, dic_int1=3) initialisation & restart:
704      - use binary pickup file for restart;
705      - initialise atmos-CO2 box from dic_pCO2 parameter;
706      - fix multi-threaded.
707    o pkg/rbcs:
708     - clean-up RBCS code: add RBCS_OPTIONS.h file ; fix multi-threaded ;
709       change (+ fix IO calls) type of array RBC_mask from _RL to _RS.
710     - add RBCS to exp4 passive tracer 01 (rbcs was previously untested)
711       and update output.txt
712    o pkg/kpp:
713     - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;
714     - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS
715       (= ratio of KPP non-local (salt) flux relative to surface-flux) when
716       using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');
717     - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file
718       KPP_ghatKFile (instead of the average of KPPghat from file KPP_ghatFile).
719    o pkg/offline:
720      fix bug in S/R OFFLINE_FIELDS_LOAD regarding surfaceForcing conversion factor
721      (bug was added in version 1.10 on 2007-08-23).
722    o pkg/offline:
723      - no need to specify periodicExternalForcing, etc ... to use offline pack
724      - offline input files no longer just single prec --> parameter offlineLoadPrec
725    o verification/lab_sea:
726      change AD test to multi-tile setup and update all 4 AD output.
727      NOTE: while cost function values remain very similar,
728      gradients are very different, although gradient checks are self-consistent
729      Should try to get to the bottom of this (cost function summation order?)
730    o pkg/dic:
731      in carbon_chem.F, replace log10 (AUTODIFF) with explicit form to avoid
732      a weakness of TAF that drops part of double precision in log10 derivative.
733      <= changes removed since problem has been fixed in current TAF version 1.9.71
734      update AD output of exp. tutorial_dic_adjoffline & tutorial_global_oce_biogeo.
735    o pkg/ecco:
736      add missing "_d 0" in cost_readers.F, cost_readtopex.F & cost_readtopexmean.F
737      update all 4 lab_sea AD output.
738    
739    checkpoint62d (2010/03/22)
740    o build_options:
741      remove '-r8' (and '-i4') from linux_*pgf and linux_*ifort optfiles.
742    o remove unbalanced quote (single or double) in commented line of source code
743      (may cause some warning with some preprocessor/makedepend versions).
744    o pkg/seaice:
745      fix seaice_model.F for adjoint (gael) and update AD results of experiments
746       lab_sea (std + evp + noseaicedyn) and offline_exf_seaice.
747    o testreport:
748      add option '-runonly' (short: '-ro') to just do the run part (without make).
749    o eesupp: remove JAM communication code (obsolete).
750    o add option to genmake2 & testreport to switch "_RS" type to "real*4"
751      (if allowed in CPP_EEOPTIONS.h); update default CPP_EEOPTIONS.h and return
752      to default CPP_EEOPTIONS.h for exp. inverted_barometer & solid-body.cs-32x32x1
753      (update also the output).
754    
755    checkpoint62c (2010/03/02)
756    o tools/build_options :
757       move (some) old optfiles from build_options/ to build_options/unsupported/
758    o model/src and pkg/exf
759       surface relaxation -- separating data and data.exf options
760       The point is to ensure that we specify the surface relaxation
761       either in data or in data.exf (but not half and half) and to
762       avoid an accidental relaxation to 0 (which happened if a time
763       scale was specified but the file name was left empty)
764    o model/src model/inc and pkg/mom_common
765       ALLOW_3D_VISCAH/ALLOW_3D_VISCA4 => 3D specification of Viscosity
766       => addition to the viscosity field as computed by others schemes
767    o tools/build_options:
768      - rename "_generic_mpi" -> "+mpi_generic" (like other "+mpi" optfile)
769        but keep the former optfile for few weeks for smooth transition
770    o pkg/ecco
771      - allow user defined cost function contributions
772         CPP: ALLOW_USERCOST_CONTRIBUTION
773         USAGE: compute contributions in cost_usercost_all.F
774      - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
775          the two options are complementary.
776    o pkg/smooth
777      - migration from contrib to the main repository
778    
779    checkpoint62b (2010/01/26)
780  o pkg/monitor:  o pkg/monitor:
781    - change back mon_printstats_rl.F & mon_stats_rl.F and add a stop    - change back mon_printstats_rl.F & mon_stats_rl.F and add a stop
782      (in case someone forgot to update customized pieces of code)      (in case someone forgot to update customized pieces of code)

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