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revision 1.1248 by jmc, Mon Apr 12 20:29:44 2010 UTC revision 1.1394 by heimbach, Mon Mar 14 02:35:38 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, pkg/ctrl, pkg/grdchk:
8      add cost penalty terms for initial uvel, vvel, eta controls
9      and I/O for prior error files
10    o pkg/mdsio:
11       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
12       (new argument) to check for tiled file in mdsioLocalDir : this fix the
13       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
14    o pkg/ctrl:
15     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
16       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
17       unused and superfluous variables
18     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
19    o pkg/ecco
20     - enable adjoint of Stevens OB
21    o pkg/ctrl/ecco/grdchk:
22      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
23        Fortunately, we do not have any tests for the numerous cpp-flagged
24        option of "obcs as control parameters" so we will never know
25        if this is an improvement (but at least now things compile).
26      - remove an obsolete initialization from ecco_cost_init_barfiles.F
27      - fix some problems within never used ifdefs to make the code compile
28    o pkg/obcs:
29     - Refine Interior mask definition to work with more complex OB (e.g.
30       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
31       read in Interior mask from file. Check if Interior mask is consistent
32       with OB list of indices.
33    o pkg/seaice
34     - beginning code for a seaice tracer package,
35       but currently only used for seaice age: SEAICE_AGE
36       SEAICE_num = 4
37       iTracer = 1: area-weighted ice age
38               = 2: volume-weighted ice age
39               = 3, 4: template for one-year vs. multi-year ice
40       data.seaice has new namelist SEAICE_PARM03 for arrays related to
41       SEAICE_num
42    
43    checkpoint62t (2011/03/05)
44    o pkg/obcs:
45     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
46       then normal component. This ensures that the normal component is set
47       correctly even when it conficts with tangential setting from an other OB.
48       Affects results of test-experiment seaice_obcs: update the output.txt
49    o pkg/obcs:
50     - add code to monitor statistics of dynamical fields at OB.
51     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
52       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
53       - change default: balance the Net inflow through all OB (instead of balancing
54         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
55     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
56       to match Nortern OB inflow (OBCS_balanceFacN=0).
57    o pkg/seaice:
58     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
59    o pkg/seaice (seaice_growth v 1.113):
60     - reverting seaice_growth to v 1.111 in order to have code with exact bit
61       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
62       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
63       runtime flag SEAICEareaFormula is kept but is inactive
64    o model/src:
65     - add new param to scale curvilinear grid distance and area when using
66       a different sphere radius from the grid-files.
67     - test/check multi-threads EXCH applied to local variable (cg2d_x)
68    o adjoint:
69     - enable adjoint of Stevens OB
70     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
71       (a bit delicate because of potentially modified adj. common block structure;
72       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
73    
74    checkpoint62s (2011/02/15)
75    o pkg/seaice (seaice_growth v 1.112):
76     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
77       computing the ice cover tendency from effective thickness tendencies. Include
78       Ian Fenty's formula.
79     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
80       SEAICEareaFormula.
81     - simplify notations for the various d_HEFF/d_AREA terms.
82    o pkg/gmredi:
83     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
84       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
85       add a verification test-run (front_relax.bvp) to test GM_useBVP.
86    o pkg/seaice (seaice_growth v 1.111):
87     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
88     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
89       also melt ice.
90    o pkg/seaice:
91     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
92     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
93    o pkg/cheapaml:
94     - from Nico Wienders: New version of this package.
95    o pkg/flt:
96     - add CPP options to prevent floats to re-enter the opposite side of
97       a periodic domain (default: keep periodicity)
98    o pkg/gmredi:
99     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
100       (needed for multi-dim advection).
101     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
102    o model/src:
103     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
104    o tutorial_tracer_adjsens
105     - extend to NLFS and replace maskC by hFacC
106       (change reference output accordingly)
107    
108    checkpoint62r (2011/01/24)
109    o testreport:
110     - add option -deloutp (-do) to remove output file after successful run
111     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
112       extract exact list of procs from this file ; adjust COMMAND by
113       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
114    o pkg/ecco: replace old ineffective way of penalizing deviations from
115      first guess (of obcs) with code by Matt Mazloff
116    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
117      exf/cal
118      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
119        and handle case of obcs?period == 0
120        Not affected by these changes: There is still an inconsistency in
121        the computation of start/endrec for the obcs variables for ALLOW_CAL
122        defined (see comment by Menemenlis, 7-Mar-2003)
123      - make S/R ctrl_get_gen_rec return something meaningful even if
124        ALLOW_CAL is not defined
125      - ctrl_getobcs?: simplify code so that it does not need to use
126                       S/R exf_swapfields
127    o testreport:
128       allow to test MPI with different number of processors for each experiment:
129       create file "SIZE.h.mpi" in each build dir.
130       Note: update of "-command" argument not yet implemented.
131    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
132      alleviate the need for additional 3D tapes when using
133      the non-inear free surface in the adjoint. This is done
134      by adding an 'update' of hfacc etc. to their current
135      value at the beginning of forward_step.F.
136    o pkg/seaice
137      seaice_lsr: move stress-divergence computations out of outer pseudo-
138      timestepping loop
139    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
140      up, so that the calls of the ctrl_* subroutines are really at the end
141      of the routine.
142    o pkg/gmredi:
143      allow to specify a 2-D horizontal map and a 1-D vertical profil
144      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
145    o pkg/seaice:
146      move lsr iterations from seaice_dynsolver to seaice_lsr.
147    o pkg/seaice:
148      reduce memory footprint of seaice mutldim advection tapes,
149      by using a 2D tape independent of the generic_advdiff ones,
150      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
151    
152    checkpoint62q (2010/12/29)
153    o model/src:
154      - check horizontal grid-spacing for unset or zero/negative values.
155      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
156    o pkg/flt:
157      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
158      - precision of input and output files set according to readBinaryPrec
159        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
160      - initial float position from tiled file was not converted to index space
161        (looks like a bug): fixed to make it similar to initial pos. global file.
162    o global_ocean.cs32x15:
163       change SIZE.h of AD set-up to get same tiling as with MPI.
164       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
165    o model/src:
166       add flag to control printing of domain fields (bathymetry, hFac ...) in
167       ini_mask_etc (call to plot_fieds_xy*).
168    o pkg/thsice:
169       if useEXF, some forcing fields are not valid in overlap: fixed by computing
170       over the interior only + apply EXCH at the end (like with SEAICE advection).
171    o pkg/mdsio:
172      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
173        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
174      - change barrier call for safe multi-threads access to 3-D shared buffer.
175      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
176      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
177        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
178    o pkg/flt:
179      - add fourth-order Runge-Kutta integration
180      - add basic exch2 support (only 1 facet supported so far!)
181    o pkg/mdsio+rw:
182      new S/R to read local (or tile independent) vector (read counterpart of
183       mds_writevec_loc, and front-end write_glvec_rl/rs).
184    o global_ocean.cs32x15: additional input_ad.seaice experiment
185        that uses pkg/seaice rather than pkg/thsice.
186        (using multidim advection for seaice)
187    o towards more F95 syntax for array specification in namelist:
188      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
189        of all verification experiments.
190           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
191          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
192      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
193    o global_ocean.cs32x15: additional input.seaice experiment
194        that uses pkg/seaice rather than pkg/thsice.
195    
196    checkpoint62p (2010/12/17)
197    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
198        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
199    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
200        allow for use of multim. advection in seaice adjoint.
201    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
202      - first attempt to close budgets by taking into account the freshwater
203        flux implied by the sublimation of snow and ice. So far only the
204        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
205        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
206    o eesupp/src:
207      new S/R with new option (NML_EXTENDED_F77) to change array specification
208      from F95 standard to commonly accepted extended F77 form.
209      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
210      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
211      for less tolerant f77 compiler (e.g., pgf77, g77).
212    o globalFiles:
213      commented out in parameter file "data" since it's not safe with MPI
214      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
215      in this case); no longer commented out in restart test (tst_2+2).
216    o add adTapeDir to specify a special directory where adjoint tapes are
217      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
218      and cannot be used together with mdsioLocalDir.
219    o nesting pkgs:
220      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
221      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
222      - add parameter files + utils dir + output from short run on beagle.
223    o pkg/seaice:
224        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
225    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
226      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
227    
228    checkpoint62o (2010/11/25)
229    o pkg/exf:
230      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
231    o pkg/seaice:
232      - seaice_ocean_stress: split a loop for better vectorization of the
233        adjoint code
234      - seaice_growth.F: fix bug in conservation of freshwater connected to
235        capping of heff, put contribution into d_HEFFbyNEG
236      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
237        by something more sensible (parameters that are what their name implies)
238      - change some defaults, so that by default exf-parameters are used for
239        things like rhoAir, cpAir,latent/sensible heat parameters, in order
240        to reproduce the old results, many data.seaice now contain funny values
241        for cpAir and latent heat of sublimation
242    o packages_readparms.F: move exf_readparms up in line so that
243        exf-parameters are visible for other packages (e.g. seaice)
244    o debugMode & debugLevel=2:
245      - differentiate between debugMode & debugLevel=2:
246        debugMode: controls printing of debug messages (sequence of S/R calls).
247        debugLevel: controls printing of algorithm intermediate results and stats.
248      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
249        => allows to print debug-stats without all sequence of call messages.
250      - switch control of debug print from debugLevel to debugMode in many S/R.
251    o pkg/obcs (obcs-sponge):
252        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
253        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
254    o pkg/generic_advdiff:
255      - record overlap minimum size for each advection scheme;
256      - refine criteria on overlap minimum size;
257      - check and stop (in gad_check) if overlap size is too small.
258    o pkg/obcs:
259      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
260        once, in ptracers_implicit.F)
261      - with seaice: remove test on empty file name in obcs_apply_seaice (always
262        apply OB values when tile has OB)
263    o model/src, coriolis setting:
264      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
265        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
266        files (selectCoriMap=3) with any grid.
267      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
268    o pkg/seaice/seaice_growth.F:
269        a few cosmetic changes that reduce the number of lines of code
270    o pkg/obcs: add boundary conditions following Stevens (1990)
271      - the code follows old MOM/NAOSIM code
272      - so far it is only implemented for the eastern and western boundaries
273        and NOT for pTracers
274    o pkg/rbcs:
275      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
276        beginning of the first rbcs forcing period.
277      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
278        offline package, i.e., one file per time, labeled by iteration number;
279        deltaTrbcs sets the timestep with which the data was generated;
280        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
281      - rbcsForcingCycle=0 makes forcing non-cyclic.
282      - make arithmetic safe for negative times and odd forcing periods.
283    
284    checkpoint62n (2010/11/09)
285    o pkg/seaice:
286        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
287    o pkg/obcs:
288       New S/R to copy tracer value from the OB location to narrow band region
289        (width = same as overlap) beyond the OB: preserve OB value (needed for
290        high-order scheme) which were overwritten by EXCH call if in overlap
291        region. Applied to theta, salt, ptracer and advected seaice variables.
292       With seaice: use maskInC in similar way as in gad_advection.F,
293        in seaice_advection.F and advect.F.
294       Update output of experiment seaice_obcs and change exp4 to test OBCS with
295        4th order Adv.Scheme. for pasive salt and ptracer.
296    o tools/genmake2:
297      - when looking for an optfile (not specified), only search for Fortran compiler
298        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
299      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
300        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
301      - set default for CPP to "cpp -traditional -P" (was the case without specifying
302        an optfile, but otherwise default was just "cpp".
303      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
304      - when "CC" is not set in the optfile, look for possible C compiler
305        (instead of just setting CC=cc)
306      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
307        => add a ".F" to ".o" rule for source files with no "#include" (such as
308           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
309      - move gfortran before g77 in list of possible Fortran compiler (consistent
310        with reference compiler switch from g77 to gfortran)
311    o pkg/seaice:
312      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
313        seaice_check that stops the model, when the CPP flag is used.
314      o seaice_growth.F: make capping of ice volume conserving by returning the
315        capped ice as freshwater to EmPmR. This does not change the verification
316        experiments but will change runs where the capping is acutally active
317    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
318      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
319         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
320         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
321    o tools/genmake2:
322      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
323      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
324      - clean previous genmake log files before anything else.
325      - change Makefile to remove testreport log files (*.tr_log) and genmake log
326        files only with "CLEAN" target (instead of "Clean");
327    o pkg/generic_advdiff:
328      Change OBCS in multiDim advection (gad_advection.F):
329       Use maskInC to prevent intermediate update of tracer-field in OB regions,
330       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
331       which were applying future time-step OB values.
332      This way, all explicit calculations use current-time-step OB values
333       (simpler and more consistent).
334      Affects results when set-up uses time-varying OBC and multi-dim advection;
335       update output of experiment seaice_obcs.
336    o pkg/seaice:
337      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
338       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
339         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
340      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
341       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
342       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
343    o pkg aim (2010/10/26):
344      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
345        formulation with obliquity, eccentricity, ... as run-time parameters,
346      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
347        upward shortwave radition at the surface (all-sky and clear-sky).
348    o pkg/obcs:
349      - writing sections with globalFiles=T does not work: switch to tiled-files
350        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
351      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
352      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
353    
354    checkpoint62m (2010/10/21)
355    o pkg/seaice: vectorize seaice_solve4temp.F
356      - move iterations loops outside of i/j-loops
357      - requires 2D arrays for TB and effConduct
358      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
359        modified in this routine
360      - a little bit of clean up, adjusting indentation, etc.
361      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
362        performance and '**TWO' by '**2' (because TWO is a float),
363        replaced ONE, ZERO
364    o eesupp/src:
365       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
366    o pkg/seaice/seaice_growth.F
367      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
368      merging process. The merged routine has two branches, and one activates the 'evolution'
369      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
370      In summary, here is what the '10/10 revision' did consist of
371        part 1: seaice_growth.F revisions 1.71 to 1.75
372          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
373            The emphasis here was on improving readability (e.g. by trying to use meaningful
374            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
375        part 1.5:
376          - revising the lab_sea experiment to make it a more useful (i.e. stable
377            and representative of an actual model run). This was done by generating a
378            (winter) pickup to start from, switching back the main experiment dynamic
379            solver from evp to lsr, having one of the experiments use the free drift solution.
380        part 2: seaice_growth.F revisions 1.76 to 1.85
381          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
382          - Sorting out the various fields units and sign (set early on and reset at the end)
383            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
384            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
385          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
386            and simplifying logical expressions to further improve readibility.
387        part 3: seaice_growth.F revisions 1.86 to 1.89
388          - Re-organize the blocks of code more logically.
389          - Merging the '_if.F' pieces that add something new.
390    o pkg/thsice:
391      - vectorize thsice_solve4temp and thsice_get_exf.
392        Problem: thsice_solve4temp has an unvectorizable statement that
393        might also be problematic for TAF
394      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
395        does not change the verifcation experiment, but will change all
396        experiments that have this flag undefined (not tested in verification);
397        a little reorganization to save a few 2D fields and recomputations
398      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
399      - 2nd step:  fix some store dirs
400        o seems to work somewhat, i.e. using ifort but not g77
401        o likely cause are incomplete init. or recomputation
402        o start verification/global_ocean.cs32x15/input_ad.thsice
403    o pkg/obcs: add support for exch2
404      - the position of the boundary and prescribed values are specified using
405        a global domain with exch2 facets stacked
406        - in x for N,S boundaries (like W2_mapIO=-1)
407        - in y for E,W boundaries (so E,W boundaries do not overlap)
408    o pkg/mdsio: add support for writing global sections with exch2
409        file layout is as for obcs described above:
410        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
411        - for y-z sections, facets are stacked in y
412    o pkg/thsice:
413       - change a few routines for better vectorization: thsice_albedo.F,
414         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
415         not affected, but in particular the latter routine has changed
416         dramatically (not necessarily easier to read now).
417       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
418       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
419    o verification/lab_sea:
420      - overhaul of the forward model experiments. The main motivation
421        for this revision is that lab_sea has proven quite fragile (when
422        changing the sea-ice code, and switching platforms) to a point
423        when failures were very hard to attribute to specific code problems.
424      - the suspected reason for this fragility is noise amplification by evp so,
425        to start with, we decided to replace evp with lsr in the main experiment.
426      - the input.lsr experiment thus became obsolete and was removed.
427      - it was replaced with the input.fd experiment that uses an
428        analytical "free drift" solution as the ice velocity field.
429      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
430        will hopefully allow us to discriminate problems due to dynamic solvers
431        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
432        us to test additional options, along with the salt plume package.
433      - Finally a pickup was generated (at the end of a one year run) to
434        make the tests more representative of an actual model run. Previously
435        the tests starting point was a 1m thickness of ice everywhere.
436    o pkg/seaice:
437      - introducing S\R seaice_freedrift.F that compute the
438        analytical solution to an approximate ice momentum
439        equation (i.e. the simple stress/coriolis balance).
440      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
441        of the free drift velocity field, and enable its use.
442        To actually use the free drift solution as the model ice
443        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
444    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
445    
446    checkpoint62l (2010/10/04)
447    o pkg/seaice:
448      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
449      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
450       version (with USE_ORIGINAL_SBI undef);
451    o add hooks for new packages OASIS, the package will follow
452      (hooks exclude the seaice pkg for now)
453    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
454      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
455      rather than mdsio_readvector.F/mdsio_writevector.F, within
456      adread_adwrite.F to read/write adjoint-related tapes to disk.
457    o eesupp and pkg/mdsio: ALLOW_WHIO
458      Option to write/read 2D fields to files including tiles halos.
459      The main purpose is for adjoint related "tape I/O".
460      The secondary purpose is for debugging phases.
461      A word on those rather specifically intended purposes.
462      The code was meant to be stripped down to the bare minimum.
463      Typically, there is a unique and basic mapping to the global
464      buffer (tile by tile, then proc by proc, then level by level), and
465      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
466      meant to generate user friendly outputs of various shapes and forms.
467      Rather it is intended, for the knowledgeabale developers,
468      to be largely independent of the many mdsio options, to allow
469      outputs of tiles+halos in debugging phases and in adjoint runs,
470      and to allow some flexibility in tuning (adoint) I/O depending on each
471      file system behavior. With regard to tuning, most of the potential knobs
472      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
473      to specify directories, to specify the typical size of I/O calls, etc.)
474      are not yet included, and will be added if they prove useful.
475    o pkg/seaice:
476       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
477    o pkg/seaice:
478       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
479       code (seaice_budget_ice_if.F) which enable to recover old standard
480       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
481       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
482    o model/src (rStar):
483       use simple average (not area weighted) of rStarFac at U,V point when using
484       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
485       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
486    
487    checkpoint62k (2010/09/17)
488    o adjoint
489       * changed verification/global_ocean.cs32x15 ; adjoint now tests
490         Adams-Bashforth 3 + NLFS + RSTAR
491       * some more modifs required for ECCO-GODAE v4
492    o pkg/seaice
493       add SEAICE_AGE_VOL option to use volume instead of area for
494       integrating SEAICE_AGE
495    o model/src:
496       first check-in of sigma & hybrid-sigma coordinate code ; also includes
497       non-linear free-surface parts ; but pressure-gradient not yet coded.
498    o pkg/ptracers:
499       option for ptracer to convert Salt Relax into additional EmP.
500        tested in exp. global_ocean.90x40x15.dwnslp (update output)
501    
502    checkpoint62j (2010/08/25)
503    o pkg/ggl90:
504       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
505    o pkg/dic: car_flux.F, phos_flux.F
506      - reduce number of exp-calls in order to improve performance
507      - clean up a little (replace fields by their macros, etc., fix
508        typo in CPP-flag)
509    o pkg/ggl90: minor changes
510      - GGL90diffKrS was removed --> always use GGL90diffKr
511      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
512      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
513        (commented out for now)
514      - change in max/min operations to ensure that smoothing is ok
515      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
516      - always use diffKrNrT as background profile (i.e. never use diffKr field)
517    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
518    o pkg/dic:
519      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
520        vectorization
521      - small bug fix in insol for the unlikely case of a cartesian grid
522      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
523        + now vectorize, which also removes adjoint recomputations;
524        + replace integer maksp1 by _RL maskp1
525        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
526    
527    checkpoint62i (2010/07/21)
528    o pkg/flt:
529      - with OBCS: stop floats which enter the OB region
530    o model/src:
531      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
532        for implicit vertical advection.
533    o pkg/seaice:
534     - account for melting in seaice age evolution.
535     - remove double counting of seaice ridging effect on seaice age.
536    
537    checkpoint62h (2010/06/18)
538    o pkg/exch2:
539     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
540    o tools/genmake2
541      - remove "-pdefault" option: redundant with the use of "packages.conf";
542      - remove file pkg/pkg_default : set the default as a pkg group
543        ("default_pkg_list") defined in pkg/pkg_groups;
544      - fix for case pkg/pkg_depend is missing (was hanging before);
545      - add option "-pgroups" to specify a different pkg_groups than the default.
546    o verification/adjustment.cs-32x32x1:
547       add a "minimal" set-up test (code_min & input_min) which only compiles
548       eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
549    o tools/genmake2
550      - extend pkg_depend rules to model & eesupp (e.g., if model depend on [pkg]))
551      - fix details of checking for mnc & profile pkg when NetCDF is unavailable.
552    o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these
553      files are nearly the same anyway.
554      Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04:
555       - redefinition of tau(i,i) (by a factor of ustar)
556       - 1./exf(Const/T) -> exf(-Const/T) (big change in the results)
557       - replace rhonil by rhoConstFresh in computation of evap (bug fix)
558       - replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results)
559       - replace
560         rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh )
561         shn    = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j)
562         by
563         shn    = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh )
564         (changes results)
565       -> exf_bulkformulae v1.22,
566          update verification experiments lab_sea, offline_exf_seaice, seaice_obcs
567          (lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13,
568                    output.txt 1.63
569           offline_exf_seaice: output.seaicetd.txt 1.7
570           seaice_obcs: output.txt 1.10)
571      Step 2: do the actual merge and remove exf_bulk_largeyeager04.F
572       -> exf_bulkformulae v1.23,
573          unfortunately requires updating lab_sea.salt_plume (6 matching digits),
574          and global_ocean.cs32x15.icedyn (only 11 matching digits)
575      Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice.
576    o adjoint of exch-1:
577     - pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list)
578       (note: was already like this when using EXCH-2) and remove flow dir
579       and hand-written AD version of high-level EXCH S/R (pkg/autodiff);
580     - provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow);
581     - update pkg/exch2 diff list.
582    
583    checkpoint62g (2010/05/19)
584    o eesupp/src (exch-1):
585     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
586       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
587       (renamed to exch1_*rx_cube.F).
588     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
589       to call new exch1 S/R ; update Makefile and .cvsignore.
590     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
591       exch2_xy_rx later)
592      Note: after updating your code, need to run "make clean" in eesupp/src
593    o test experiment bottom_ctrl_5x5:
594       new output_adm.txt with fewer grdchk & less monitor output.
595    o model/src:
596      remove the call to ini_cori in initialise_varia.F (just keep the usual one
597       in initialise_fixed.F). More consistent with coriolis & horizontal grid
598       beeing treated in the same way (ini_grid is not called a 2nd time).
599    o pkg/exf:
600      - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
601      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
602      - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
603      - cosmetic changes to exf_bulkformulae.F to make it look more like
604        exf_bulk_largeyeager04.F
605    o eesupp/src (exch-1):
606      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
607      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
608        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
609        (even without using MPI).
610      - Message mode: move RecvAck setting (indicator of buffer being ready)
611        from send_put to recv_get S/R (was useless before, but not sure if
612        it's much more useful now);
613      - Switch the order of sync: MPI-proc 1rst and then threads;
614      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
615      - fix AD code for communication mode ='get' (but not used).
616    o model/src:
617      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
618      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
619    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
620    o pkg/ctrl: require a specific set of control variables and exf-flags for
621      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
622    o model/src:
623     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
624       1rst forward sweep, to avoid over-writing output files during recomputations
625       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
626     b) 2nd version:
627      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
628      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
629         writePickupAtEnd) + seaice & ptracers output;
630      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
631    o model/src:
632      - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
633    o pkg/exch2:
634      - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
635      - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
636    o pkg/autodiff & exch2:
637      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
638      (for now, only if ALLOW_EXCH2 is defined).
639    o pkg/autodiff:
640      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
641        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
642       + clean-up comments (_RS is not always real*4)
643      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
644      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
645        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
646    o testreport (AD-tests):
647      no longer link files from dir "../input" (1rst link files from
648      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
649    
650    checkpoint62f (2010/04/29)
651    o model/src/the_main_loop.F:
652      adjust store directives for seaice evp and multicategory according to
653      pkg/ecco/the_main_loop.F
654    o adjoint:
655      global_sum_ad was incomplete (noted many times by many people ;)
656      nice description by Jean U. as follows:
657      * allreduce(var) in global_sum.F can be interpreted as
658        reduce(sum) followed by broadcast of sum.
659      * The adjoint of that is
660        sum(adjoint) followed by broadcast(summed adjoint value)
661        or in other words, allreduce(sum, adjoint vars)
662      We were missing the sum(adjoint)!
663      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
664      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
665      The fix should produce 16-digit accuracy between
666      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
667      multi-CPU single-tile (e.g. nSx=1, nPx-2)
668      We'll probably change this yet again shortly
669    o eesupp/src:
670      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
671    o pkg/icefront
672      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
673        specification of addmass array based on a 2D field, which is added
674        at bottommost wet level at each horizontal location.
675    o model/src:
676     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
677     layout; (not always compatible with delX,delY setting; commented out for now).
678    o pkg/exch2:
679     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
680     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
681    
682    checkpoint62e (2010/04/15)
683    o pkg/obcs:
684      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
685    o pkg/dic:
686      -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
687        (note: not presently tested in any forward verification exp.)
688       update tutorial_global_oce_biogeo AD output file.
689    o pkg/exf:
690      - account for the variation of albedo as a function of zenith angle
691        by defining ALLOW_ZENITHANGLE in EXF_OPTIONS.h
692  o build_options:  o build_options:
693   - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"   - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"
694  o pkg/dic:  o pkg/dic:
# Line 76  o tools/build_options: Line 761  o tools/build_options:
761      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
762  o pkg/ecco  o pkg/ecco
763    - allow user defined cost function contributions    - allow user defined cost function contributions
764          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
765          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
766    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
767        the two options are complementary.        the two options are complementary.
768  o pkg/smooth  o pkg/smooth

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