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revision 1.1641 by dimitri, Mon Apr 2 04:34:07 2012 UTC revision 1.1697 by jmc, Sat Jul 28 20:13:24 2012 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/autodiff:
8      note about monitor and snap-shot of ad-variables:
9      a) need to apply ADEXCH before monitor or output of ad-vars to include
10       overlap contributions (was done for adjDump but missing for monitor).
11      b) since ADEXCH implies adding overlap values to interior array, machine
12       truncation error is expected when adding an ADEXCH call in the middle of
13       the time-stepping (although mathematically identical).
14      modifs:
15      - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
16        apply ADEXCH before monitor or snap-shot of ad-variables:
17           =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
18      - implement new method (copy+adexch) for snap-shot and monitor of main model
19        ad-vars (but not yet used by default).
20      - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
21        declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
22    o pkg/ctrl:
23      enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
24      generic control variables via
25      #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
26      Only required customization should be S/R ctrl_map_ini_genarr.F
27      (routine in repository contains example)
28    o pkg/exf:
29      - fix and refine checking of surface-relaxation setting when using EXF
30    o verification (adjoint exp):
31      - reduce length of simulation by half for experiment global_ocean.cs32x15
32        (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
33    o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
34      - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
35        of KE that can occur with aggressive optimization
36      + put quadratic bottom drag calculation in separated loops (only done if
37        using bottomDragQuadratic)
38    o model/src: CG2D_NSA
39      - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
40         and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
41      - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
42         change cg2d residual target to be expressed in Wunits (=> do not normalise
43         RHS ; this fix global_max Pb with TAF); update output.
44    o verification/tutorial_tracer_adjsens:
45       improve parameter consistency (and get rid of warnings):
46       - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
47       - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
48       - use staggerTimeStep (for stability) in som81; use default rotation period.
49    o pkg/exch2:
50      - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
51        reset to 0 = 1 long line in X)
52    o pkg/mdsio:
53      - fix reading of dimensions from meta file for large-size domain
54    o model/src:
55      - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
56      - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
57        Cubed-Sphere Exch with CS-corners inside the domain;
58        make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
59        globalArea and to set hasWetCSCorners.
60      - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
61        metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
62      - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
63        useCDscheme and useCubedSphereExchange).
64    o pkg/seaice/seaice_growth.F :
65      - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
66        for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
67        when the previous code was not correct.
68      - in all cases diagnoze the boundary condition mismatch to SIaaflux
69      - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
70        that term to QNET (essentially to set the melt/freeze water to 0degC).
71        when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
72    o verification/global_ocean.cs32x15/input.seaice :
73      - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
74      - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
75      - update results (output.seaice.txt) accordingly.
76    o verification/lab_sea/input/data.seaice :
77      - remove SEAICEheatConsFix, which is now be tested
78        in global_ocean.cs32x15. The presently coded fix
79        is only consistent with real fresh water + nlfs.
80      - update results (output.txt) accordingly.
81    o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
82    o AD_CONFIG.h file:
83      - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
84      - remove #include "AD_CONFIG.h" from all included OPTIONS files and
85        add it explicitly in each fortran src file where it is needed.
86        motivation: header file AD_CONFIG.h is generated/modified after "make depend"
87        thus introducing potentially wrong dependency; therefore, better to include
88        it only where it's really needed, and after any other included OPTIONS file
89        (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
90        or ALLOW_TANGENTLINEAR_RUN).
91    
92    checkpoint63p (2012/07/06)
93    o pkg/autodiff:
94      - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
95      - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
96        which are now read from new parameter file "data.autodiff" (inAdExact
97        previously in "data", use{KPP/GMRedi/SEAICE}inAdMode previously in data.pkg)
98      - add file "data.autodiff" in all verification/*/input_ad/ directories.
99      - add run-time parameter to turn On/Off SEAICEuseFREEDRIFT in adjoint/forward
100        mode (used in global_ocean.cs32x15.seaice_dynmix test exp.)
101    o verification/tutorial_tracer_adjsens/
102      - add extra sub-verification which uses "SOM" advection scheme
103        (2nd Order-Moment Advection Scheme, Prather Limiter) with
104          #define GAD_ALLOW_TS_SOM_ADV in GAD_OPTIONS.h
105        and in data:
106          multiDimAdvection=.TRUE.,
107          tempAdvScheme=81,
108          saltAdvScheme=81,
109    o model/src:
110      - introduce ALLOW_BALANCE_RELAX which allow the removal
111       of the global mean of relaxation terms by setting
112       balanceThetaClimRelax and balanceSaltClimRelax
113      - disable balanceEmPmR and balanceQnet in the case when useSeaice.
114       This case is now treated appropriately in seaice_growth.F
115    o pkg/seaice:
116      - do balanceEmPmR and balanceQnet based on the net fluxes
117        (SItflux) that enter the ocean+ice system rather than QNET
118        and EMPMR. Works best in real fresh water.
119      - SIatmFW, SIatmQnet, and SItflux computations had to be moved
120        out of the diagnotics bloc, and stored in global arrays.
121    
122    checkpoint63o (2012/06/29)
123    o vertical mixing schemes:
124      - remove unused S/R CALC_BUOYANCY (left from branch-atmos merging)
125      - replace computation of density (in Function STATE1, opps_calc.F) by a call
126        to S/R FIND_RHO_SCALAR
127      - pass sigmaR to S/R PP81_CALC, MY82_CALC (but not yet used) and to GGL90_CALC
128        and use it for N^2 calculation in ggl90_calc.F (save 2 density computations);
129        affects output (vermix.ggl90) at truncation level.
130    o testreport:
131      - change adjustment of SIZE.h for mpi+mth testing: preserve enough tiles
132        (nSx,nSy) for the number of threads (from eedata.mth)
133    o model/src:
134      - remove 2nd set of calls at the top of initialise_varia.F (Adjoint part)
135        related to Non_Lin Free-Surf or Bottom-Control (but not longer necessary).
136    o verification/tutorial_tracer_adjsens/
137      - compile with ALLOW_CG2D_NSA
138      - run with nonlinFreeSurf=3
139      - update reference output_adm.txt
140    o tools/genmake2:
141      - add "-DHAVE_NETCDF" to the DEFINES list when NetCDF is available ;
142        refine usePROFILES switching off (only when NetCDF is not available).
143    o verification (atmospheric set-up):
144      - change eosType='IDEALGAS' to eosType='IDEALG' to match variable declaration
145    o pkg/profiles : refine profiles and files handling.
146    o model/src and pkg/ecco : introduce run-time switch usePROFILES.
147    o model/src/the_main_loop.F, forward_step.F and pkg/exf/EXF_OPTIONS.h :
148      - changes to use model/src/the_main_loop.F rather than the ecco version
149        in ecco type adjoint runs.
150    o model/src:
151      - move computation of recip of grid distance & area from INI_MASKS_ETC to INI_GRID
152      - move setting of h0Fac[C,W,S] from INI_LINEAR_PHISURF to INI_MASKS_ETC
153      - update_masks_etc.F: rename SMOOTH*_R4,R8 function to the corresponding type (RS,RL)
154    o model/src:
155      - fix S/R UPDATE_CG2D for ALLOW_DEPTH_CONTROL case (was empty before);
156        update output of test experiment bottom_ctrl_5x5.
157    o pkg/generic_advdiff:
158      - implement vertical bi-harmonic diffusion (for now, only for T & S and
159        only explicitly).
160    o verification/bottom_ctrl_5x5/
161      update reference output (results changed quite some time ago,
162      not sure when; but new reference results look ok in terms of grdchk)
163    o verification/1D_ocean_ice_column/
164      For verification purposes, the exact adjoint rather than an approx.
165      should be used (e.g., to comare against F.D. or TLM).
166      removed autodiff_inadmode*_ad.F routines in code_ad/
167      Update results/ accordingly.
168    o pkg/cal:
169      - change cal_getdate.F so that output date is function of input time only
170        (less ambiguous, not mixed up with input iteration number).
171      - fix calendarDumps for non-zero phase-lag (S/R CAL_TIME2DUMP).
172    o pkg/diagnostics:
173      - implement calendarDumps also for stats-diags
174      - implement calendarDumps also for snap-shot output (negative freq)
175      - for now, ignores calendarDumps if non-zero phase-lag.
176    
177    checkpoint63n (2012/06/04)
178    o model/src:
179      - recompute rSurfW & S to ensure consistent column thickness (needed for rStar)
180        between Sum_k(hFac*drF) and rSurf-rLow, for now only when using pkg/shelfice;
181      - use h0FacC, W & S to compute hFac_surfC, W & S in calc_surf_dr.F (more
182        similar to calc_r_star.F); update results of experiment internal_wave and
183        tutorial_global_oce_in_p (affected @ truncation level).
184    o pkg/shelfice:
185      - add parameterisation of advective-diffusive flux into the ice shelf
186        according to Holland and Jenkins (1999), eq.22-33, as suggested by Jan De Ryd
187      - simply eps3/3a computation
188    o eesupp:
189     - add new CPP option (DISCONNECTED_TILES) to disconnect tiles (no exchange
190       between tiles, just fill-in edges assuming locally periodic subdomain) and
191       add corresponding exchange subroutines (EXCH0);
192     - new CG-solver version (_EX0) for disconnected-tiles special case.
193    o model/src (CG-solvers):
194     - modify Single-Reduction version (CG2D_SR) in case cg2dMaxIters is reached
195       (similar final residual output and max-Iter number as with standard version);
196     - allows to store and use lowest-residual solution (standard & _SR versions);
197     - cleaning up (remove old, commented out code, LETS_MAKE_JAM ...).
198     - by default, also compile CG2D_SR version (define ALLOW_SRCG in CPP_OPTIONS.h)
199    o eesup/src:
200     - global_vec_sum.F cleaning: add a BARRIER ; update comments ; remove ndef
201       ALWAYS_USE_MPI (no longer needed after fixing usingMPI settings - March 2012)
202    o pkg/salt_plume added to lab_sea/input_ad.noseaicedyn
203    
204    checkpoint63m (2012/04/27)
205    o pkg/shelfice:
206     - account for partical cells in surface level below ice-shelf for hydrostatic
207       pressure calculion (set uniformFreeSurfLev to F); update isomip experiments.
208    o ad test experiments:
209     - update and rename to "ad_optfile.local" local AD-optfile specific to a
210       particular adjoint verification experiment (in verification/*/code_ad/)
211    o pkg/seaice & pkg/exf:
212     - Part two of ECCO-CLIVAR code merges.
213       Completes merge of seaice area relax. code.
214       Requires unified CPP option EXF_ALLOW_SEAICE_RELAX
215       to be set in EXF_OPTIONS.h since this pkg controls its I/O
216       (and avoids second CPP option in SEAICE_OPTIONS.h)
217     - change default value of costIceStart & costIceEnd to a valid date.
218     - add snowPrecip to HSNOW in seaice_growth
219    o pkg/ptracers:
220     - move ptracers summary and setup check into separated S/R ; add a check for
221       valid PTRACERS_Iter0 value (error+stop or just warning).
222    o pkg/cal (+ pkg/ecco):
223     - avoid calling a S/R with 2 times the same arg (FWD: unless both are only used
224       as input; and for AD, unless both are not differentiable (e.g., k index)).
225    o model/src:
226     - define internal flag "uniformFreeSurfLev" (=T when free-surface level-index
227       is everywhere k=1) to speed-up some calculations (by pass kSurf reference);
228       temporary set to usingZCoords value (to be changed to F when using shelfice).
229     - hydrostatic pressure: implement partial cell near the surface also for
230       Z-coordinates (for the case where uniformFreeSurfLev=F); replace test on
231       usingZCoords with test on uniformFreeSurfLev where needed (in NonHyd code).
232    o pkg/ctrl/ctrl_init.F:
233     - add a formal parameter to s/r ctrl_init_rec to print
234       xx_$(ctrl_valiable)_file for easier debugging
235     - move call of cal_* routines into the if-block where they are really
236       needed so that xx_$(ctrl_variable)_period can be 0 or -12 without having
237       to specify a startdate
238    o pkg/seaice:
239     - update comments in SEAICE_OPTIONS.h (+ similar update of lab_sea/code and
240       global_ocean.cs32x15/code versions).
241     - turn on seaice Multi-category (in data.seaice, SEAICE_multDim=7) for
242       verification experiment global_ocean.cs32x15.seaice and update results.
243    o pkg/exf:
244     - new S/R EXF_GETFIELD_START to return starting-time of a forcing field
245       (according to useExfYearlyFields).
246    o pkg/cal:
247     - move calendar setting & summary (previously in cal_readparams.F) into new
248       S/R CAL_INIT_FIXED to be called later in the initialisation process, once
249       length of the simulation is set (after SET_PARMS call); This is an attempt
250       to fix Pb when, e.g.: pkg/longstep, modifies the length of the run.
251     - For safety: keep a record of pkg/cal parameter settings status
252               to allow to STOP if one pkg/cal S/R is called too early.
253     - add a stop in all basic pkg/cal subroutines if called before setting is done.
254     - modify cal_getdate.F: stop when nothing was returned;
255       if called with myIter=-1, simply retrun modelBaseDate (1,2 = startDate_1,_2);
256       this allows to remove "cal.h" from seaice_read_parms.F & init_mnc_vars.F.
257    
258    checkpoint63l (2012/04/04)
259    o pkg/bbl:
260      - fix call to FIND_RHO_2D in bbl_calc_rho.F (case multi-tiles per proc);
261        update global_with_exf output.yearly.txt file.
262    o pkg/cal:
263      - start to clean-up cal_set.F ; fix for the case where baseTime is non-zero.
264      - remove 2 unsused and very short (1 line only) functions ;
265      - remove unsused subroutines from AD-Diff list.
266    o model/src:
267      - start to implement clean wait to stop in initialization S/R (config_check.F,
268         packages_check.F, ini_parms.F and pkg/obcs/obcs_check.F + pkg/mypackage)
269    o folowing PRINT_MESSAGE changes:
270      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
271  o pkg/bbl:  o pkg/bbl:
272    - modification so it can work with z*    - modification so it can work with z*
273    - replace deltaT with dTtracerLev(k) for asynchronous time stepping    - replace deltaT with dTtracerLev(k) for asynchronous time stepping

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