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revision 1.1451 by gforget, Thu Jun 9 20:29:31 2011 UTC revision 1.1517 by jmc, Sat Oct 22 14:11:04 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/seaice:  o pkg/obcs + seaice-dynamics:
8      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
9        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
10        values (consistent with an implicit method).
11      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
12        return to older implementation (same results as before); note that none of
13        the "experimental" OBCS_SEAICE options are implemented in the new version.
14      - switch test exp. seaice_obcs to use new version (update output).
15    o pkg/seaice:
16      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
17      - add parenthesis in Water-Ice drag calculations (evp & lsr);
18      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
19        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
20      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
21        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
22    o pkg/layers:
23      - Include potential density as new coordinate (Thanks to David Munday)
24    o pkg/dic:
25      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
26        carbonate computation/output to CALC_PCO2_APPROX
27    o model/src:
28      - improve vectorization also for adjoint code of
29        solve_tridiagonal and solve_pentadiagonal. As this requires up to
30        5 new 3D-fields, this code is only turned on for the combination of
31        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX.
32      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
33        ALLOW_AUTODIFF. This flag now needs to be set outside of
34        solve_tri/pentadiagonal.F
35    o pkg/exf:
36      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
37        optional namelist EXF_NML_OBCS).
38      - add many debug-print (to trace down where pkg/cal error msg comes from)
39    o pkg/mom_vecinv/mom_vi_hdissip.F
40      - rearrange loops so that vectorization is improved and in particular
41        the adjoint routine vectorizes. The code is a little longer now, but I
42        think easier to read.
43        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
44    o pkg/seaice:
45      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
46    o pkg/exch2:
47      - alternative code (without tile x tile matrix) for cumulated (global) sum;
48        used as default; keep using matrix version in adjustment.cs-32x32x1.
49    o tools/build_options:
50      - after merging some MPI and/or multi-threads specific optfiles so that
51        the modified default optfile support both built (using genmake2 -mpi
52        for the MPI built, using genmake2 -omp for OpenMP built),
53        move now obsolete optfiles to tools/build_options/unsupported/
54       (add copy of email sent to support list in doc/optfiles_changes.txt)
55    
56    checkpoint63c (2011/09/28)
57    o pkg/ebm:
58      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
59        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
60    o pkg/seaice (SItracer pickup)
61    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
62      To be done:
63      - thorough testing of missing fields in S/R seaice_read_pickup
64      - thorough matching between generic tracers and specific fields used
65        (e.g. volume-weighted age, area-weighted age, salinity, ...)
66    o pkg/grdchk:
67      - all procs calculate and print finite-difference gradient (for testreport)
68      - change description output used by testreport;
69      - AD testing: also compare and report Finite-difference gradient;
70        => update all output_adm*.txt
71    o test exp. global_ocean_ebm:
72      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
73        and turn on exactConserve; update (fwd) output.
74    o pkg/seaice (LSR):
75      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
76      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
77        * identical results with non-CS topology (but save up to half of EXCH calls)
78        * no much changes in cs-32 verification tests since no ice at face edges
79         (differences due to convergence criteria, since nb of iterations changed)
80        * expect some differences on lat-lon-cap grid.
81        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
82    o pkg/exch2:
83      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
84        many tiles); until alternative coding is added, just add a stop.
85    o pkg/kpp:
86      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
87        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
88    o optfiles:
89      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
90        into corresponding standard one, which now support different build:
91        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
92      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
93    o pkg/obcs (seaice):
94      - add missing EXCH for uIce,vIce after applying OBCS;
95      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
96        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
97        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
98      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
99      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
100        and eedata.mth for MPI and mutlti-threaded testing.
101    o pkg/flt:
102      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
103      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
104      - fix pickup and trajectories + profiles output with multi-threads;
105      - add parameter to select group of fields to write along trajectory and
106        profile (default unchanged);
107      - only call PORT_RAND* function when flt_noise <> 0;
108      - add multi-threaded test for verification exp. flt_example.
109    o eesupp/src:
110      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
111      - USE_OMP_THREADING: check that number of threads (from eedata) matches
112        actual number (from env.var. setting).
113    o pkg/ebm:
114      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
115      - add multi-threaded test for verification exp. global_ocean_ebm
116    
117    checkpoint63b (2011/08/29)
118    o pkg/ebm:
119      - fix sign of runoff;
120      - update directly forcing fields (Qnet,EmPmR) to use standard
121        external_forcing_surf.F (remove ebm_forcing_surf.F);
122      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
123      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
124        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
125      - update global_ocean_ebm parameters file data and update output (fwd+ad).
126    o verification/matrix_example:
127      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
128        MPI and mutlti-threaded testing.
129    o pkg/matrix:
130      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
131      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
132      - fix for multi-threaded (remove DATA statement);
133      - use standard DIFFERENT_MULTIPLE function;
134      - add MATRIX_OPTIONS.h
135    o verification/matrix_example:
136       To allow to split the domain in several tiles, change the domain size
137        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
138        Western side) of land points.
139    o (*_)write_pickup:
140      - fix few bugs in mypackage_read/write_pickup.F
141      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
142        array of length 1 (was caught by compiler syntax-check).
143    o pkg/diagnostics (velocity potential solver):
144      - fix initialisation of main diagonal matrix (for overlap values)
145    o tools/build_options:
146      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
147        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
148      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
149        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
150        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
151        and use "-devel" testreport option for standard testing on baudelaire.
152    o pkg/grdchk:
153      - Assume that all gradient-check position are within the same tile
154        corresponding to global indices (iGloTile,jGloTile) and that
155        positions (i,j indices or nbeg) are local to this tile;
156      - set tile local-indices and proc. number according to tile global-indices;
157      - remove grdchkwhichproc from namelist (retired param);
158      - send adjoint gradient to all procs so that all procs print it to STDOUT;
159      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
160    o adding package bbl (Bottom Boundary Layer)
161      description in MITgcm/pkg/bbl/bbl_description.tex
162      example/test experiment in MITgcm_contrib/bbl
163    o adjoint verifications
164      - changed 5 experiments to multi-tiles
165        * global_ocean.90x40x15
166        * obcs_ctrl
167        * offline_exf_seaice
168        * tutorial_dic_adjoffline
169        * tutorial_tracer_adjsens
170        changed reference output for those that crossed tile boundaries
171        (changed choices of gradient check positions)
172      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
173      - temporary bug fix in grdchk_loc.F for obcs
174    o genmake2 & testreport
175      - add target "obj" (just for OBJFILES files) to Makefile;
176      - add option to specify FEXTRAFLAGS on command line.
177    o pkg/mypackage:
178      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
179    
180    checkpoint63a (2011/08/02)
181    o pkg/diagnostics (velocity potential):
182      - fix velocity-potential calculation when using OBCS: balance net inflow
183        at each level (new S/R OBCS_DIAG_BALANCE).
184      - fix some of the problems with OBCS in stream-function calculation.
185    o pkg/exf/exf_readparms.F
186      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
187        EXF_NML_OBCS) more consistent, so that you need not have these lists
188        in data.exf when they are not used.
189    o optim/optim_readdata.F:
190      - add some output about obcs variables that might help debugging
191      - add a check about nvarlength
192    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
193    o pkg/diagnostics (velocity potential):
194      - fix mask for OBCS (still problems in stream-function with OBCS);
195      - add specific parameter (default = main code CG2D params) for solver;
196      - in case of poor convergence, use solution corresponding to lowest residual.
197    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
198      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
199      and should be avoided where possible.
200    o model/src (rStar):
201      - include r* effect on reference-state (PhiRef) in totPhiHyd
202        (so that it's really the potential anomaly at the cell center);
203        affect solution only if z* with full pressure in EOS.
204      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
205        update output (because of z* in totPhiHyd and viscA4 changes);
206      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
207        @ constant r) until interpolation at constant r is implemented.
208    o pkg/diagnostics
209      - fix RCENTER diagnostics in case cell center is not at interface middle
210    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
211      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
212      that THETA and SALT are "conservative temperature" and "absolute
213      salinity"
214    o pkg/ctrl
215      - fix computation of endrec in s/r ctrl_init_rec
216      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
217    o pkg/seaice/seaice_growth.F
218      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
219        remove then obsolete STORE directives
220      - fix STORE directives for tice and tices, so that only the
221        appropriate part of the fields are stored (and not the entire
222        field); update global_ocean.cs32x15.seaice AD output.
223      - cosmetic changes: adjust CPP flags and indentation for better
224        legibilty
225    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
226      Chris Wilson)
227    o pkg/gmredi:
228       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
229       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
230    
231    checkpoint63  (2011/07/11)
232    o pkg/exch2:
233     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
234     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
235       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
236       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
237    o pkg/diagnostics:
238     - deal with pairs of post-processed diags which are computed together; in
239       particular, re-order list of diags within 1 file to save 2nd computation.
240     - add S/R to compute velocity stream-function (called after velocity-potential
241       calculation) from divergence free transport -> new diagnostics "PsiVEL".
242     - add parameter to select grid-point location where PsiVEL == 0.
243    o eesupp/src:
244       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
245       (specific S/R needed with exch2 topology - for now, just print an error msg)
246    o pkg/shelfice
247     - Implement friction velocity-dependent transfer coefficients following
248       Holland and Jenkins, JPO, 1999
249       Original code by M. Losch with small modifs.
250       Enable with CPP option SHI_ALLOW_GAMMAFRICT
251       and runtime flag SHELFICEuseGammaFrict
252    o verification lab_sea & global_ocean.cs32x15:
253     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
254       does not miss some dependencies (but is slower) and also works with many files
255       (default makedepend limitation for AD built).
256     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
257    o pkg/diagnostics:
258     - add run-time parameter "useMissingValue" (def=False) to fill land-point
259        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
260       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
261     - Extend the use of "missing_value" setting from data.diagnostics for the case
262       of counter-diagnostics (where fraction-weight is zero). This applies both to
263       MNC and MDS output files.
264    o pkg/seaice/seaice_growth.F:
265      - add 'a priori' cap of latent heat flux based on actual mass considerations
266        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
267        non-legacy seaice_solve4temp.
268      - add diagnostic of the residual sublimation freshwater flux (the freshwater
269        flux taken from the ocean if the total actual latent heat fluxes exceed
270        the maximum)
271      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
272       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
273      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
274       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
275      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
276      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
277    o verification 1D_ocean_ice_column:
278       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
279       update results
280    o pkg/diagnostics:
281     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
282       which are not filled-up but computed from other diags ; In this case, the mate
283       diag points to the primary (filled-up) diag to used for post processing.
284     - Update Velocity-potential computation using post-processed diag framework.
285     ==> Change the ordering of fields and time-periods in MDS output file
286       when using periodic averaging: now writes one time record with the full set
287       of fields for this time period, then the next time reccord (it used to be
288       one field with the full set of time records then the next field).
289         Note: this is now similar to NetCDF (MNC) output file. <==
290    
291    checkpoint62z (2011/06/21)
292    o adjoint monitor:
293     - Add adjoint monitor output for packages exf, seaice
294       and update relevant testreport output
295    o pkg/seaice:
296     - re-order diags inits so that they appear in order in available_diagnostics.log
297     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
298       area/heff/hsnow preceeding thermodynamic growth/melt.
299     - modified diag: SIdA; output actual effect, as the description states.
300     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
301     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
302       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
303        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
304     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
305     - added diagnostics for seaice generic tracers (SItr*).
306     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
307     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
308     I. Fenty: 18-Jun-2011:
309     Minor changes to seaice package:
310     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
311        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
312       - Differentiated "regularization variables" from "floor variables"
313        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
314        * hiceMin became SEAICE_hice_reg (old hiceMin)
315          (with _reg meaning regularization variable)
316       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
317        so as to ensure energy conservation when going between phases
318      - A22 was not used anywhere
319     2) Changed regularization procedure for heffActual and hsnowActual to ensure
320        well-boundedness and smooth adjoint in seaice_growth.F
321     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
322        because the old regularization always set heffActual >= 0.05 cm
323     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
324        on AREA when HEFF > 0.
325      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
326        requiring that DISABLE_AREA_FLOOR *not* be defined
327     Affected verifications:
328      - 1D_ocean_ice_column (output.txt output_adm.txt)
329      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
330    o pkg/diagnostics:
331      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
332      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
333        (was _RL, now integer) with option = 0 to retrieve all levels.
334      - add pieces of code to compute velocity potential at each level (new diagnostics
335        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
336        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
337      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
338        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
339        and in diagnostics_fract_fill.F (do not need a valid pointer for the
340        diagnostics counter-mate); check that definition of counter-diagnostic
341        includes a valid counter-mate (in diagnostics_set_levels.F).
342    o model/src (rStar):
343      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
344        affect solution only if z* with full pressure in EOS;
345        update output of test-exp global_ocean.90x40x15.
346    o pkg/seaice:
347    - introduce siEps=1e-5 parameter    - introduce siEps=1e-5 parameter
348    - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).    - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
349    - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.    - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
350    - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.    - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
351      For now it covers, and was tested for, ice salinity and age (attached to HEFF),      For now it covers, and was tested for, ice salinity and age (attached to HEFF),
352      as well as ice cover age and ridging index (attached to AREA).      as well as ice cover age and ridging index (attached to AREA).
353      For now the run time parameters (in data.seaice/SEAICE_PARM03) are      For now the run time parameters (in data.seaice/SEAICE_PARM03) are
354      SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').      SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
355      Up to SItrMaxNum=3 tracers can be used simultaneously.      Up to SItrMaxNum=3 tracers can be used simultaneously.
356  o pkg/salt_plume:  o pkg/salt_plume:
357    -introduce SPsalFRAC run time parameter that sets the fraction of the    -introduce SPsalFRAC run time parameter that sets the fraction of the
358     salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)     salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
359     that gets vertically redistributed (fluxed down) by pkg/salt_plume.         that gets vertically redistributed (fluxed down) by pkg/salt_plume.
360  o model debug options:  o model debug options:
361    - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored    - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
362      in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).      in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).

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