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revision 1.1816 by jmc, Sun Feb 3 04:59:59 2013 UTC revision 1.1876 by jmc, Tue Jun 11 02:52:42 2013 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/thsice:
8      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
9        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
10      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
11         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
12      - allow precip from pkg/cheapaml to make snow over seaice.
13    o pkg/cfc:
14      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
15      - remove atmos CFC 2-D arrays from common bloc (now local variables)
16      - change some hard-coded constant to run time parameter for reading and
17        and interpolating atmospheric CFC ; keep same default as previously.
18      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
19      - put arguments in standard order: myTime, myIter, myThid
20      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
21        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
22      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
23      - new routine to print summary of CFC params and check for consistency.
24    o pkg/cfc:
25      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
26        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
27      - fix interpolation of atmphspheric CFC between Sorthern and Northern
28        hemisphere value.
29    o pkg/seaice:
30      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
31    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
32                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
33      - requires an additional time level that is stored in the pickup
34      - you can start with AB2 from a pickup without this time level with
35        pickupStrictlyMatch = .false.
36    
37    checkpoint64h (2013/05/26)
38    o pkg/cheapaml:
39      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
40        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
41      - consistent treatment of uWind,vWind location: assume everywhere in
42        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
43        (Note: was already the case for Tair,Qair advection);
44        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
45      - compute diabatic forcing only in the interior (excluding overlap regions)
46      - fill in array "Qsw" (for short-wave heating);
47      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
48        before any update (consistent with MITgcm state var diagnostics);
49      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
50        non periodic ; + adjusted for uWind,vWind (C-grid).
51    o pkg/seaice:
52      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
53        add explicitly pkg/exf in experiments that currently use pkg/seaice.
54      - allows to compile pkg/seaice without pkg/exf.
55    o tools/OAD_support:
56      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
57        of array "ourStepOf" in function rvNextAction (revolve.F90).
58    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
59      - change pkg name (to be used with other atmospheric physics pkg)
60        but by-pass CVS when making the new pkg so that we keep the CVS history.
61    o pkg/offline:
62      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
63        (previously called from pkg/dic_surfforcing_init.F)
64    o model/src:
65      - re-order sequence of calls within packages_init_variables.F, using
66        standard order, except for:
67         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
68         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
69    o new pkg: atm_phys
70      - add entry point and source code (previously in contrib
71          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
72        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
73      - re-order sequence of calls within packages_readparms.F,
74         packages_init_fixed.F and packages_write_pickup.F
75        (but skip packages_init_variables.F because of TAF issues).
76      - update contrib/*/atm_gray/ experiment.
77    o pkg/seaice (ITD code):
78      - simplify and fix the writing of pickup-files for ITD case
79    o pkg/seaice (ITD code):
80      - introduce floe size dependent lateral melt for ITD case;
81      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
82      - update seaice_itd experiment main output.
83    o pkg/thsice:
84      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
85        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
86        changed accordingly pkg/atm2d.
87    
88    checkpoint64g (2013/05/01)
89    o pkg/exf ALLOW_RUNOFTEMP
90      - if defined,  river and glacier runoff temperature can be read-in from
91        runoftempfile; runoftempfile needs to have same format as runofffile
92    o pkg/thsice (& pkg/bulk_force):
93      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
94        for energy content of Precip + RunOff & Evap (like with pkg/exf).
95      - change computation domain to always be the interior (without overlap).
96      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
97    o verification/tutorial_global_oce_biogeo:
98      - add preliminary OpenAD setup (still has problems)
99    o pkg/seaice:
100      - turn some parameters for choosing the convergence criterion of
101        the inexact Newton method (JFNK) into runtime parameters for convenience
102      - clean up seaice_calc_viscosities.F: remove/retire two options for
103        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
104        the results of lab_sea/input because a division has been replaced by
105        a multiplication with the reciprocal (sumNorm)
106      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
107        convergence of solver (changes results, of course), and to test some
108        new features
109    o model/src:
110      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
111      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
112      - move forcing adjustment (balancing surface forcing) in specific S/R
113        where might also be applied exchanges (if needed) to forcing arrays.
114    o pkg/shelfice:
115      - allow to specify the Ice-Shelf mass per unit area (instead of
116        shelficeLoadAnomaly) and do the conversion from one to the other
117      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
118        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
119        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
120        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
121      - update isomip experiment forward output (get machine truncation error
122        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
123    o verification/offline_exf_seaice:
124      revise data.seaice in input.thermo and input_ad and update results accordingly
125        HO = 0.2, SEAICE_areaLossFormula = 2,
126        SEAICE_growMeltByConv = .TRUE.,
127        SEAICE_doOpenWaterMelt = .TRUE.,
128      Improve consistency with input.thsice and fix the spurious 500m ice corners
129    o verification/global_ocean.cs32x15:
130      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
131        in icedyn (thsice+seaice-dyn) test and update output.
132    o verification/offline_exf_seaice:
133      - adjust list of tested variables (with testreport) and update
134        standard test output with better slection of monitored fields.
135    o pkg/cd_code:
136      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
137        experiment lab_sea.hb87
138    o tools/genmake2:
139      - change default makedepend from the system default to tools/xmakedepend:
140        When no makedepend is specified, select tools/xmakedepend it the test pass,
141        otherwise select the system default (if exist and pass the test) or
142        try to build cyrus-makedepend ; stop if none of the 3 works.
143    o pkg/exf & pkg/thsice:
144      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
145        for energy content of Precip + RunOff & Evap. Assumes:
146       1) Rain has same temp as Air.
147       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
148       3) Run-Off comes at the temp of surface water (with same Cp)
149       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
150        put directly into Latent Heat flux & should use water-vapor heat capacity.
151       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
152        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
153    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
154        (compile when SEAICE_ALLOW_JFNK is defined)
155    o pkg/thsice:
156      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
157        implementation): move THSICE_AVE call after the advection (called directly
158        from thsice_do_advect.F).
159    o verification/global_ocean.90x40x15 and OpenAD:
160      New experiment for OpenAD is identical to the one in input_ad except that
161        multiDimAdvection=.FALSE.,
162      There is still an issue with this.
163    o pkg/thsice:
164      - account for ice velocity (ocean relative velocity) in turbulent heat flux
165        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
166        and offline_exf_seaice (main test).
167    
168    checkpoint64f (2013/03/31)
169    o verification/OpenAD:
170      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
171    o verification/isomip, pkg/shelfice and OpenAD:
172      - add OpenAD setup to this exp and make shelfice package work with OpenAD
173    o verification/tutorial_global_oce_biogeo:
174      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
175    o verification/offline_exf_seaice:
176      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
177    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
178      - add OpenAD setup to this exp and make ptracers package work with OpenAD
179    o pkg/seaice/seaice_evp.F:
180       mask the asymmetric contribution of the ice-ocean stress (when
181       the turningAngle is non-zero) over open water to avoid stripes
182       in the EVP-solutions after many EVP-substeps. This does not change
183       the verification experiment (because turningAngle=0 in that experiment),
184       but will affect other EVP solutions with turningAngle.ne.0
185    o verification, AD & TLM output:
186      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
187        additions and multiplications which affect results at machine truncation
188        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
189        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
190        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
191        digits of matching.
192    o pkg/seaice:
193       modify lsr-algorithm so that it vectorizes AND converges by using a
194       "zebra" method: split vector loop into two with step size 2; this
195       solves a general convergence problem for the JFNK solver on a vector
196       computer. It has the potential to even improve convergence for
197       non-vector machines, but it does change the results so it is turned
198       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
199       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
200    
201    checkpoint64e (2013/03/05)
202    o pkg/ecco and several verification experiments:
203       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
204       from ecco package, and revert to unified routine in model/src/
205       Adjust verification experiments accordingly, especially gloal_oce_llc90
206       Should conclude long-standing work by Gael to reconsile the_main_loop with
207       ECCO and will enable OpenAD's revolve loop in ECCO setup.
208    o pkg/generic_advdiff:
209      - implement compressible flow method for multi-dim advection (similar to
210        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
211        TAF generates many recomputations) to use it; no yet coded with implicit
212        vertical advection.
213      - change experiment advect_cs (new output) and advect_xy (same output)
214        to test compressible flow multi-dim advection.
215    o pkg/generic_advdiff:
216      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
217        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
218    o pkg/seaice:
219      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
220        bug affects two verification experiments (lab_sea and lab_sea.hb87),
221        recover old (wrong) results by setting noSlipFac = 2. in
222        seaice_calc_strainrates.F;
223      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
224      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
225        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
226      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
227    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
228      - new subroutines seaice_lsr_tridiagu/v
229      - introduce loop bounds i/jmin/max to be able to use a restricted
230        additive Schwarz method, but not used for now.
231      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
232      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
233    o OpenAD support
234       Reorganize S/R call for overall time-stepping loop to facilitate
235       OpenAD revolve loop replacement
236       (new S/R main_do_loop.F)
237    o model/src:
238      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
239      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
240        ADAMS_BASHFORTH2.
241    o pkg/cheapaml:
242      - add new parameter (default=F, same as before) to disable full domain
243        (including land) periodicity in X & Y dir.
244      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
245        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
246        into single S/R CHEAPAML_TIMESTEP.
247    
248    checkpoint64d (2013/02/17)
249    o pkg/monitor (angular momentum):
250      - do not add Eta contribution to the total AM if using rigid-lid;
251      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
252      - horizontal discretisation: compute Zonal wind contribution separately for
253        each component (instead of from cell centered averaged) and use the 4
254        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
255      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
256        FreeSurf) if using vectorInvariant momentum.
257    o model/src (horizontal grid):
258      - move initialisation of all horizontal grid arrays to null value
259        from specific horizontal grid S/R to main S/R INI_GRID;
260      - add 2 new arrays to project model C-grid velocity on to zonal direction
261        (similar to AngleCosC & -AngleSinC but at U and V point location) and
262        compute them in S/R CALC_GRID_ANGLES.
263    o pkg/seaice: replace a hard coded parameter by a runtime parameter
264        SEAICE_JFNK_tolIter
265    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
266        preconditioner for JFNK (run LSR into the overlaps as far as possible,
267        i.e OLx/y-2, but overwrite the solution in the overlaps)
268      - extend loop range in seaice_calc_viscosity
269      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
270      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
271      - slightly modify loops in tridiagonal solver lsr-preconditioner
272      - by default remove the extra exchange in seaice_preconditioner with a
273        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
274      - modify offline_exf_seaice so that old results without RAS are reproduced
275        for output.dyn_jfnk.txt
276      in seaice_fgmres.F (unrelated to RAS)
277      - add a cpp-flag option for a re-ordered mapping (potentially more
278        efficient), but because this changes the results, turn it off by
279        default
280      - replace the save statement by local common blocks
281    o utils/matlab:
282      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
283      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
284        instead of local script "load_cs.m".
285    o pkg/seaice:
286      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
287        to the scalarProductMetric and the unrolling. By chance this does not
288        change the verification experiment, because of the particular domain
289        decomposition
290    o pkg/diagnostics:
291      - change default missing_value from UNSET_RL to -999.
292    o pkg/layers: improve vectorization of layers_fluxcalc.F
293      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
294        time spent in this routine by more than a factor of 3 on an NEC-SX8
295      - step 2: replace search algorithm by a bisection algorithm found in
296        Press et al. Numerical Recipes in Fortran. This algorithm can be
297        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
298        For now, use this algorithm only for TARGET_NEC_SX defined.
299      - moved the search algorithm into a separate subroutine, that is kept
300        within the same file for automatic inlining.
301      - modified catching potential errors
302    o pkg/ecco:
303      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
304    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
305      - modifications for ALLOW_GENTIM2D_CONTROL
306      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
307      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
308      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
309      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
310  o model/src:  o model/src:
311    - account for moist thermodynamics in (dry) potential temperature equation;    - account for moist thermodynamics in (dry) potential temperature equation;
312      update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)      update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
313      and cpl_aim+ocn.      and cpl_aim+ocn.
314      - also switch to standard compiler (gfortran, was using ifort previously)
315        for fizhi-cs experiments reference output.
316  o pkg/ctrl:  o pkg/ctrl:
317    - 1st step toward generic time-varying control variable (2D) via CPP option    - 1st step toward generic time-varying control variable (2D) via CPP option
318      ALLOW_GENTIM2D_CONTROL      ALLOW_GENTIM2D_CONTROL

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