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revision 1.1280 by jmc, Tue May 25 22:22:11 2010 UTC revision 1.1346 by jmc, Thu Dec 9 19:12:17 2010 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o globalFiles:
8      commented out in parameter file "data" since it's not safe with MPI
9      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
10      in this case); no longer commented out in restart test (tst_2+2).
11    o add adTapeDir to specify a special directory where adjoint tapes are
12      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
13      and cannot be used together with mdsioLocalDir.
14    o nesting pkgs:
15      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
16      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
17      - add parameter files + utils dir + output from short run on beagle.
18    o pkg/seaice:
19        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
20    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
21      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
22    
23    checkpoint62o (2010/11/25)
24    o pkg/exf:
25      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
26    o pkg/seaice:
27      - seaice_ocean_stress: split a loop for better vectorization of the
28        adjoint code
29      - seaice_growth.F: fix bug in conservation of freshwater connected to
30        capping of heff, put contribution into d_HEFFbyNEG
31      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
32        by something more sensible (parameters that are what their name implies)
33      - change some defaults, so that by default exf-parameters are used for
34        things like rhoAir, cpAir,latent/sensible heat parameters, in order
35        to reproduce the old results, many data.seaice now contain funny values
36        for cpAir and latent heat of sublimation
37    o packages_readparms.F: move exf_readparms up in line so that
38        exf-parameters are visible for other packages (e.g. seaice)
39    o debugMode & debugLevel=2:
40      - differentiate between debugMode & debugLevel=2:
41        debugMode: controls printing of debug messages (sequence of S/R calls).
42        debugLevel: controls printing of algorithm intermediate results and stats.
43      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
44        => allows to print debug-stats without all sequence of call messages.
45      - switch control of debug print from debugLevel to debugMode in many S/R.
46    o pkg/obcs (obcs-sponge):
47        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
48        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
49    o pkg/generic_advdiff:
50      - record overlap minimum size for each advection scheme;
51      - refine criteria on overlap minimum size;
52      - check and stop (in gad_check) if overlap size is too small.
53    o pkg/obcs:
54      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
55        once, in ptracers_implicit.F)
56      - with seaice: remove test on empty file name in obcs_apply_seaice (always
57        apply OB values when tile has OB)
58    o model/src, coriolis setting:
59      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
60        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
61        files (selectCoriMap=3) with any grid.
62      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
63    o pkg/seaice/seaice_growth.F:
64        a few cosmetic changes that reduce the number of lines of code
65    o pkg/obcs: add boundary conditions following Stevens (1990)
66      - the code follows old MOM/NAOSIM code
67      - so far it is only implemented for the eastern and western boundaries
68        and NOT for pTracers
69    o pkg/rbcs:
70      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
71        beginning of the first rbcs forcing period.
72      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
73        offline package, i.e., one file per time, labeled by iteration number;
74        deltaTrbcs sets the timestep with which the data was generated;
75        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
76      - rbcsForcingCycle=0 makes forcing non-cyclic.
77      - make arithmetic safe for negative times and odd forcing periods.
78    
79    checkpoint62n (2010/11/09)
80    o pkg/seaice:
81        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
82    o pkg/obcs:
83       New S/R to copy tracer value from the OB location to narrow band region
84        (width = same as overlap) beyond the OB: preserve OB value (needed for
85        high-order scheme) which were overwritten by EXCH call if in overlap
86        region. Applied to theta, salt, ptracer and advected seaice variables.
87       With seaice: use maskInC in similar way as in gad_advection.F,
88        in seaice_advection.F and advect.F.
89       Update output of experiment seaice_obcs and change exp4 to test OBCS with
90        4th order Adv.Scheme. for pasive salt and ptracer.
91    o tools/genmake2:
92      - when looking for an optfile (not specified), only search for Fortran compiler
93        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
94      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
95        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
96      - set default for CPP to "cpp -traditional -P" (was the case without specifying
97        an optfile, but otherwise default was just "cpp".
98      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
99      - when "CC" is not set in the optfile, look for possible C compiler
100        (instead of just setting CC=cc)
101      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
102        => add a ".F" to ".o" rule for source files with no "#include" (such as
103           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
104      - move gfortran before g77 in list of possible Fortran compiler (consistent
105        with reference compiler switch from g77 to gfortran)
106    o pkg/seaice:
107      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
108        seaice_check that stops the model, when the CPP flag is used.
109      o seaice_growth.F: make capping of ice volume conserving by returning the
110        capped ice as freshwater to EmPmR. This does not change the verification
111        experiments but will change runs where the capping is acutally active
112    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
113      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
114         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
115         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
116    o tools/genmake2:
117      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
118      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
119      - clean previous genmake log files before anything else.
120      - change Makefile to remove testreport log files (*.tr_log) and genmake log
121        files only with "CLEAN" target (instead of "Clean");
122    o pkg/generic_advdiff:
123      Change OBCS in multiDim advection (gad_advection.F):
124       Use maskInC to prevent intermediate update of tracer-field in OB regions,
125       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
126       which were applying future time-step OB values.
127      This way, all explicit calculations use current-time-step OB values
128       (simpler and more consistent).
129      Affects results when set-up uses time-varying OBC and multi-dim advection;
130       update output of experiment seaice_obcs.
131    o pkg/seaice:
132      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
133       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
134         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
135      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
136       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
137       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
138    o pkg aim (2010/10/26):
139      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
140        formulation with obliquity, eccentricity, ... as run-time parameters,
141      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
142        upward shortwave radition at the surface (all-sky and clear-sky).
143    o pkg/obcs:
144      - writing sections with globalFiles=T does not work: switch to tiled-files
145        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
146      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
147      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
148    
149    checkpoint62m (2010/10/21)
150    o pkg/seaice: vectorize seaice_solve4temp.F
151      - move iterations loops outside of i/j-loops
152      - requires 2D arrays for TB and effConduct
153      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
154        modified in this routine
155      - a little bit of clean up, adjusting indentation, etc.
156      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
157        performance and '**TWO' by '**2' (because TWO is a float),
158        replaced ONE, ZERO
159    o eesupp/src:
160       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
161    o pkg/seaice/seaice_growth.F
162      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
163      merging process. The merged routine has two branches, and one activates the 'evolution'
164      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
165      In summary, here is what the '10/10 revision' did consist of
166        part 1: seaice_growth.F revisions 1.71 to 1.75
167          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
168            The emphasis here was on improving readability (e.g. by trying to use meaningful
169            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
170        part 1.5:
171          - revising the lab_sea experiment to make it a more useful (i.e. stable
172            and representative of an actual model run). This was done by generating a
173            (winter) pickup to start from, switching back the main experiment dynamic
174            solver from evp to lsr, having one of the experiments use the free drift solution.
175        part 2: seaice_growth.F revisions 1.76 to 1.85
176          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
177          - Sorting out the various fields units and sign (set early on and reset at the end)
178            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
179            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
180          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
181            and simplifying logical expressions to further improve readibility.
182        part 3: seaice_growth.F revisions 1.86 to 1.89
183          - Re-organize the blocks of code more logically.
184          - Merging the '_if.F' pieces that add something new.
185    o pkg/thsice:
186      - vectorize thsice_solve4temp and thsice_get_exf.
187        Problem: thsice_solve4temp has an unvectorizable statement that
188        might also be problematic for TAF
189      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
190        does not change the verifcation experiment, but will change all
191        experiments that have this flag undefined (not tested in verification);
192        a little reorganization to save a few 2D fields and recomputations
193      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
194      - 2nd step:  fix some store dirs
195        o seems to work somewhat, i.e. using ifort but not g77
196        o likely cause are incomplete init. or recomputation
197        o start verification/global_ocean.cs32x15/input_ad.thsice
198    o pkg/obcs: add support for exch2
199      - the position of the boundary and prescribed values are specified using
200        a global domain with exch2 facets stacked
201        - in x for N,S boundaries (like W2_mapIO=-1)
202        - in y for E,W boundaries (so E,W boundaries do not overlap)
203    o pkg/mdsio: add support for writing global sections with exch2
204        file layout is as for obcs described above:
205        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
206        - for y-z sections, facets are stacked in y
207    o pkg/thsice:
208       - change a few routines for better vectorization: thsice_albedo.F,
209         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
210         not affected, but in particular the latter routine has changed
211         dramatically (not necessarily easier to read now).
212       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
213       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
214    o verification/lab_sea:
215      - overhaul of the forward model experiments. The main motivation
216        for this revision is that lab_sea has proven quite fragile (when
217        changing the sea-ice code, and switching platforms) to a point
218        when failures were very hard to attribute to specific code problems.
219      - the suspected reason for this fragility is noise amplification by evp so,
220        to start with, we decided to replace evp with lsr in the main experiment.
221      - the input.lsr experiment thus became obsolete and was removed.
222      - it was replaced with the input.fd experiment that uses an
223        analytical "free drift" solution as the ice velocity field.
224      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
225        will hopefully allow us to discriminate problems due to dynamic solvers
226        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
227        us to test additional options, along with the salt plume package.
228      - Finally a pickup was generated (at the end of a one year run) to
229        make the tests more representative of an actual model run. Previously
230        the tests starting point was a 1m thickness of ice everywhere.
231    o pkg/seaice:
232      - introducing S\R seaice_freedrift.F that compute the
233        analytical solution to an approximate ice momentum
234        equation (i.e. the simple stress/coriolis balance).
235      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
236        of the free drift velocity field, and enable its use.
237        To actually use the free drift solution as the model ice
238        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
239    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
240    
241    checkpoint62l (2010/10/04)
242    o pkg/seaice:
243      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
244      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
245       version (with USE_ORIGINAL_SBI undef);
246    o add hooks for new packages OASIS, the package will follow
247      (hooks exclude the seaice pkg for now)
248    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
249      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
250      rather than mdsio_readvector.F/mdsio_writevector.F, within
251      adread_adwrite.F to read/write adjoint-related tapes to disk.
252    o eesupp and pkg/mdsio: ALLOW_WHIO
253      Option to write/read 2D fields to files including tiles halos.
254      The main purpose is for adjoint related "tape I/O".
255      The secondary purpose is for debugging phases.
256      A word on those rather specifically intended purposes.
257      The code was meant to be stripped down to the bare minimum.
258      Typically, there is a unique and basic mapping to the global
259      buffer (tile by tile, then proc by proc, then level by level), and
260      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
261      meant to generate user friendly outputs of various shapes and forms.
262      Rather it is intended, for the knowledgeabale developers,
263      to be largely independent of the many mdsio options, to allow
264      outputs of tiles+halos in debugging phases and in adjoint runs,
265      and to allow some flexibility in tuning (adoint) I/O depending on each
266      file system behavior. With regard to tuning, most of the potential knobs
267      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
268      to specify directories, to specify the typical size of I/O calls, etc.)
269      are not yet included, and will be added if they prove useful.
270    o pkg/seaice:
271       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
272    o pkg/seaice:
273       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
274       code (seaice_budget_ice_if.F) which enable to recover old standard
275       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
276       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
277    o model/src (rStar):
278       use simple average (not area weighted) of rStarFac at U,V point when using
279       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
280       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
281    
282    checkpoint62k (2010/09/17)
283    o adjoint
284       * changed verification/global_ocean.cs32x15 ; adjoint now tests
285         Adams-Bashforth 3 + NLFS + RSTAR
286       * some more modifs required for ECCO-GODAE v4
287    o pkg/seaice
288       add SEAICE_AGE_VOL option to use volume instead of area for
289       integrating SEAICE_AGE
290    o model/src:
291       first check-in of sigma & hybrid-sigma coordinate code ; also includes
292       non-linear free-surface parts ; but pressure-gradient not yet coded.
293    o pkg/ptracers:
294       option for ptracer to convert Salt Relax into additional EmP.
295        tested in exp. global_ocean.90x40x15.dwnslp (update output)
296    
297    checkpoint62j (2010/08/25)
298    o pkg/ggl90:
299       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
300    o pkg/dic: car_flux.F, phos_flux.F
301      - reduce number of exp-calls in order to improve performance
302      - clean up a little (replace fields by their macros, etc., fix
303        typo in CPP-flag)
304    o pkg/ggl90: minor changes
305      - GGL90diffKrS was removed --> always use GGL90diffKr
306      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
307      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
308        (commented out for now)
309      - change in max/min operations to ensure that smoothing is ok
310      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
311      - always use diffKrNrT as background profile (i.e. never use diffKr field)
312    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
313    o pkg/dic:
314      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
315        vectorization
316      - small bug fix in insol for the unlikely case of a cartesian grid
317      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
318        + now vectorize, which also removes adjoint recomputations;
319        + replace integer maksp1 by _RL maskp1
320        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
321    
322    checkpoint62i (2010/07/21)
323    o pkg/flt:
324      - with OBCS: stop floats which enter the OB region
325    o model/src:
326      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
327        for implicit vertical advection.
328    o pkg/seaice:
329     - account for melting in seaice age evolution.
330     - remove double counting of seaice ridging effect on seaice age.
331    
332    checkpoint62h (2010/06/18)
333    o pkg/exch2:
334     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
335    o tools/genmake2
336      - remove "-pdefault" option: redundant with the use of "packages.conf";
337      - remove file pkg/pkg_default : set the default as a pkg group
338        ("default_pkg_list") defined in pkg/pkg_groups;
339      - fix for case pkg/pkg_depend is missing (was hanging before);
340      - add option "-pgroups" to specify a different pkg_groups than the default.
341  o verification/adjustment.cs-32x32x1:  o verification/adjustment.cs-32x32x1:
342     add a "minimal" set-up test (code_min & input_min) which only compiles     add a "minimal" set-up test (code_min & input_min) which only compiles
343     eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.     eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
# Line 222  o tools/build_options: Line 556  o tools/build_options:
556      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
557  o pkg/ecco  o pkg/ecco
558    - allow user defined cost function contributions    - allow user defined cost function contributions
559          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
560          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
561    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
562        the two options are complementary.        the two options are complementary.
563  o pkg/smooth  o pkg/smooth

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