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revision 1.1119 by jmc, Tue Jun 9 22:55:35 2009 UTC revision 1.1201 by jmc, Wed Nov 25 21:52:50 2009 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o model/src:
8      fix missing EmPmR in 3-D solver RHS (was in cg2d_b but missing in cg3d_b).
9        update output of exp. global_ocean.cs32x15.viscA4
10    o update output of exp. global_ocean.cs32x15.icedyn after removing
11      #define SEAICE_OLD_AND_BAD_DISCRETIZATION from SEAICE_OPTIONS.h
12    o add entry points for Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
13    o mnc: add horizontal grid coordinates (XC,YC) and (XG,YG) to netcdf output
14      for complex grids, for now only to "state", "adstate", "adexf", "adseaice"
15    o model: add Christopher Wolfe's implemetation of the single reduction cg2d
16      (d'Azevedo, Eijkhout, and Romine, 1999) with CPP-flag ALLOW_SRCG and
17      runtime flag useSRCGSolver. Modify verification experiment global_with_exf
18      to test this code
19    o pkg/cd_code:
20      Change defaut D-grid time-stepping to get the same for D-grid momentum as for
21       C-grid momentum. D-grid velocity used to be stepped forward in time with
22       Adams-Bashforth only on surface pressure term. Tests show that using AB on
23       D-grid coriolis term improves stability (as expected from CD-scheme paper).
24      To reproduce old results, add 2 options (in CD_CODE_OPTIONS.h).
25      Update results of exp: global_with_exf (x2), ideal_2D_oce, isomip (x2),
26       lab_sea (3 Fwd +3 AD), natl_box (x2), tutorial_global_oce_biogeo (Fwd+AD),
27       tutorial_global_oce_latlon, tutorial_global_oce_optim & tutorial_tracer_adjsens.
28      Keep old results by adding CD_CODE_OPTIONS.h in exp: cfc_example, exp2,
29           lobal_ocean.90x40x15(+AD), global_ocean_ebm(+AD) and OpenAD.
30    o pkg/obcs:
31     - fix bug in initialisation (broken since Oct 1rst modification)
32       for useOBCSprescribe without useEXF.
33    
34    checkpoint61y
35    o pkg/seaice
36     - change (once again) the discretization for the evp solver: rather than
37       squaring the averages of strain rates, average the squares to give
38       a better approximation to VP behavior (in simple test); this breaks
39       verification experiments that use EVP (lab_sea and lab_sea.hb87)
40        --> update outputs
41    o add CPP-flag (in mom_calc_visc.F) and TAF directive (in gmredi_slope_limit)
42      to improve vectorization of adjoint code on TARGET_NEC_SX
43    o verification/vermix:
44      - change vermix to a more "classical" 1d column with high vertical
45        resolution, seasonal heat flux forcing and constant wind forcing
46        --> update outputs
47    o pkg/seaice
48     - fix diagnostics of principal stress components for EVP
49     - add optional diagnostics of non-linear convergence for LSOR solver
50     - make maximum zeta a runtime parameter
51    o model/src (3-d solver):
52      Undo modif from Dec 12, 2005 (solve_for_pressure.F cvs version v.49),
53       which consisted in removing the Surf. Non-Hydrostatic pressure from the
54       whole column and adding it to Eta (inspired from Casualli, 1999):
55       Only affects 3-D solver initial guess and only if using ExactConserv,
56       but tests did show a degradation of solver convergence. For this reason,
57       decide to disable this piece of code.
58       to recover previous version, just set zeroPsNH = exactConserv (line 78).
59      Update output of exp. global_ocean.cs32x15.viscA4 & hs94.cs-32x32x5.impIGW
60    o pkg/ggl90:
61     - fix previous modif (unfortunatly has not been documented here).
62    o pkg/seaice/autodiff:
63     - add CPP flag to include clipping of zeta in EVP code;
64       although clipping of zeta is not necessary for EVP and not recommended
65       it was done by default, now clipping is disabled by default
66     - modify computation and store zetaC/Z in seaice_evp for TAF
67     - add CPP-flag SEAICE_ALLOW_CLIPVELS (undefined by default)
68     - change seaice_calc_viscosities/strainrates for better
69       vectorization after AD by TAF
70     - rearrange common blocks in SEAICE.h once again for easier dumps of
71       adjoint output, adjust adcommon.h and g_common.h
72     - change flux form of default advection scheme for better vectorization
73       of adjoint code
74     - modify lab_sea/input.lsr to test the flux form of default advection
75       scheme
76    o autodiff: fix seaice fields in g_common.h (left over from 3 to 1 level
77      transition in checkpoint61r)
78    
79    checkpoint61x
80    o adjoint: adding two new verification experiments
81      * tutorial_global_biogeo: an online dic sensitivity experiment
82        (work with G. Forget)
83      * tutorial_dic_adjoffline: an offline dic sensitivity experiment
84        (an update of the Dutkiewicz et al., 2006 paper)
85      Both use the same CO2FLUX cost function, but different controls
86      Gradient checks look good, but some recomp. could still be traightened out
87      Should add xx_dic control variable to test at some point
88    o model/src:
89      add run-time parameters to check and/or mask initial Temp & Salt
90    o pkg/ptracers:
91      apply zonal filter (if used) to all passive tracers
92    
93    checkpoint61w
94    o adjoint:
95      * update and finish work on adjoint of dic package (G. Forget)
96      * start adjoint of offline package
97      * bug fix for cube-sphere TLM code (active_file_g.F)
98    o tutorial_global_oce_optim:
99      now tested with 4 tiles (change data.grdchk and update output_adm.txt)
100      and add SIZE.h_mpi for MPI testing
101    o pkg autodiff
102     - fix bug in autodiff_restore
103     - make genmake2 remove comments and empty lines from ad_input_code.f in
104       order to reduce file size (new script file remove_comments_sed)
105    o allows to specify vertical profile of vertical viscosity (viscArNr)
106    o pkg autodiff
107      autodiff_ini_model_io: comment out writing of grid information to netcdf
108      files, because at this time the grid fields are a bunch of zeros
109      (this is analogous to ini_mnc_vars.F)
110    o pkg seaice/autodiff:
111     left-over from removing the 3-time-level fields:
112     - small rearrangement of common blocks (SEAICE.h)
113     - fix field declaration in order to get meaningful output in
114       adseaice.*.nc (adcommon.h)
115    o pkg obcs:
116     - go through NH code only if nonHydrostatic=T
117     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
118     - move call to OBCS_CALC before SEAICE_MODEL which needs seaice-obc fields
119       => Update output of experiment seaice_obcs
120     - useOBCSbalance: code is wrong with multi-tile / proc: add a stop.
121     - fix NH+Orlanski restart (add wvel OBC value in pickup file)
122     - fix restart for useOBCSprescribe + useEXF
123    o pkg ctrl
124     - make obcs as control parameter work also with useSingleCPUio
125     - replace a few sny and snx by Ny and Nx to be consistent with
126       ctrl_set_globfld_x/yz.F
127    o pkg seaice
128     - re-introduce global field frWtrAtm for the case of
129       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
130     - catch the case of an empty filename in seaice_cost_init_fixed.F
131    o pkg ecco:
132     - small bug fixes in the_main_loop
133      . fix order of monitor arguments
134      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
135      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
136        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
137     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
138       imbalance diagnostics for wmean_h/sflux = 0
139     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
140     - catch the case of empty filenames in ecco_cost_init_fixed.F
141       and ecco_readparms.F
142     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
143       to make this statement meaningfull in ecco_cost_weights.F
144    o pkg zonal_filt:
145      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
146      - when using rStar, filter uVel*hFacW instead of uVel
147       (tested without topography: fix a Pb of growing instability with NLFS)
148    o pkg/aim/thsice:
149     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
150      (works as SST restoring)
151    o pkg/thsice:
152     -add specific parameter for salt restoring in slab mixed-layer
153       (by default equal to the temperature restoring)
154    
155    checkpoint61v
156    o pkg/kpp:
157     -add double diffusive contributions as a hack, turned off by default
158      for now, and the code can be excluded with a CPP-flag
159      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
160     -add a verification experiments to "vermix" to test this code
161    o pkg/mom_common:
162      Move computation of length scales to mom_init_fixed.F (avoid recomputation
163      at each time-steps*levels).
164    o pkg/layers:
165      Created a new package for computing volume fluxes in temperature or
166      [not yet implemented] density layers, e.g. for calculating residual
167      overturning circulations.
168    o pkg/diagnostics:
169      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
170    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
171    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
172      To avoid mixing type (RS/RL) of input/output array argument,
173      replace single mixed-type array with a pair from each type (RS/RL).
174    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
175      is now implemented for all pkgs (previously only done for the main pickup)
176    
177    checkpoint61u
178    o pkg/obcs:
179      - change OB?eta from _RS to _RL and put them into a separate commen block
180      - add code to read OB?eta from a file via obcs_prescribe_read: the code
181        compiles and does not destroy any other experiments, the data is read
182        properly, but the code is not tested in actual applications
183    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
184      create a meaningful unit attribute for the time coordinate variable
185    o pkg/ebm: add plenty of missing "_d 0" ;
186       update results of experiment global_ocean_ebm (fwd + adjoint tests)
187      Notes: several pieces of code only works for (very) specific set up
188       (domain size, lat range, etc ...); should be documented & stop if one
189       of those assumptions is not meet.
190    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
191       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
192          and offline_exf_seaice (seaicetd + adjoint).
193    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
194       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
195        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
196    o few changes to pass when compiling with strick checking of arguments
197       across S/R (allow to find few bugs in S/R calls).
198    o pkg/seaice:
199     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
200       2d-fields, for slightly better performance
201    
202    checkpoint61t
203    o pkg/seaice:
204     - remove unused variables in seaice_evp
205     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
206    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
207       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
208       each processor opens a different file (a fix from Matt).
209    o cg2d:
210       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
211       this reduces number of EXCH calls by 2 when using exch2.
212       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
213       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
214    o pkg/thsice:
215       add code for Near Infra-Red albedo (from Jeff)
216       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
217    o ini_model_io:
218       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
219       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
220       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
221    
222    checkpoint61s
223    o pkg/exch2 (exch2_rxN_cube*):
224       remove last BARRIER (no need to synchronise after getting data from shared
225       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
226    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
227      and generate new output (for the 2 tests) using default rotationPeriod.
228    o pkg/exch2:
229      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
230        (was already the case with AUTODIFF_EXCH2 defined)
231      - add bj in exch2 arrays and S/R.
232      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
233        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
234    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
235      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
236        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
237      - verification experiment natl_box.longstep
238    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
239      allow different versions of ifort (8 or 9) and different versions
240       of mpi (mpich or mpich2) to be used with the same optfile.
241      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
242       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
243    o pkg/seaice:
244      fix previous modif (3-level field removed) for old-pickup reading
245    
246    checkpoint61r
247    o pkg/seaice:
248     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
249      1. introduce fields for time step (N-1)
250      2. do not use levels 2 and 3 anymore (but keep them)
251      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
252         includes changes to pkg/thsice/thsice_get_velocity.F,
253         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
254         pkg/obcs/obcs_apply_uvice.F.
255     - completely remove code for leap-frog time stepping for second order
256       advection
257     - adjusted adjoint accordingly;
258       gradient checks have improved by an order of magnitude!
259    
260    checkpoint61q
261    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
262     - the boundary conditions along open boundaries are unclear, because the
263       associated masks are set to zero and are thus treated as closed when
264       applying the slip-boundary conditions.
265     - move initialisation of grid variables from seaice_init_varia to _fixed
266    o adding doc/diags_changes.txt
267    o model/src:
268      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
269       to avoid "_diags" naming if no relation to pkg/diagnostics.
270      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
271       file and only call PLOT_FIELD_XYZ if debugMode=T.
272      remove few PLOT_FIELD_XY calls outside initialisation.
273      remove few unnecessary BARRIER.
274    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
275      of salt_plume package in Southern Ocean
276    o pkg/thsice:
277     - fix hOceMxL in overlap (needed for sea-ice advection);
278       update output of experiment global_ocean.cs32x15.icedyn.
279    o pkg/seaice:
280     - make the (placeholder-)tracer IceAge a little more meaningful
281      by avoiding ridging of age due to convergent ice flow
282     - add diagnostics for surface temperature, atmospheric and oceanic
283       heat flux, and atmospheric and oceanic ice growth
284    
285    checkpoint61p
286    o eesupp (global_max & global_sum):
287     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
288     - remove starting & endding barrier (no longer needed)
289  o pkg/mdsio, writelocal:  o pkg/mdsio, writelocal:
290     works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined     works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
291     (remove the STOP): uses shared buffer IO to store data from all threads     (remove the STOP): uses shared buffer IO to store data from all threads

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