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revision 1.1105 by dimitri, Tue May 26 16:39:57 2009 UTC revision 1.1192 by dfer, Tue Nov 10 17:17:58 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/ini_curvilinear_grid.F:  o verification/vermix:
8     compute angleSin/CosC when they are not read from a file    - change vermix to a more "classical" 1d column with high vertical reoslution,
9        seasonal heat flux forcing and constant wind forcing --> update outputs
10    o pkg/seaice
11     - fix diagnostics of principal stress components for EVP
12     - add optional diagnostics of non-linear convergence for LSOR solver
13     - make maximum zeta a runtime parameter
14    o model/src (3-d solver):
15      Undo modif from Dec 12, 2005 (solve_for_pressure.F cvs version v.49),
16       which consisted in removing the Surf. Non-Hydrostatic pressure from the
17       whole column and adding it to Eta (inspired from Casualli, 1999):
18       Only affects 3-D solver initial guess and only if using ExactConserv,
19       but tests did show a degradation of solver convergence. For this reason,
20       decide to disable this piece of code.
21       to recover previous version, just set zeroPsNH = exactConserv (line 78).
22      Update output of exp. global_ocean.cs32x15.viscA4 & hs94.cs-32x32x5.impIGW
23    o pkg/ggl90:
24     - fix previous modif (unfortunatly has not been documented here).
25    o pkg/seaice/autodiff:
26     - add CPP flag to include clipping of zeta in EVP code;
27       although clipping of zeta is not necessary for EVP and not recommended
28       it was done by default, now clipping is disabled by default
29     - modify computation and store zetaC/Z in seaice_evp for TAF
30     - add CPP-flag SEAICE_ALLOW_CLIPVELS (undefined by default)
31     - change seaice_calc_viscosities/strainrates for better
32       vectorization after AD by TAF
33     - rearrange common blocks in SEAICE.h once again for easier dumps of
34       adjoint output, adjust adcommon.h and g_common.h
35     - change flux form of default advection scheme for better vectorization
36       of adjoint code
37     - modify lab_sea/input.lsr to test the flux form of default advection
38       scheme
39    o autodiff: fix seaice fields in g_common.h (left over from 3 to 1 level
40      transition in checkpoint61r)
41    
42    checkpoint61x
43    o adjoint: adding two new verification experiments
44      * tutorial_global_biogeo: an online dic sensitivity experiment
45        (work with G. Forget)
46      * tutorial_dic_adjoffline: an offline dic sensitivity experiment
47        (an update of the Dutkiewicz et al., 2006 paper)
48      Both use the same CO2FLUX cost function, but different controls
49      Gradient checks look good, but some recomp. could still be traightened out
50      Should add xx_dic control variable to test at some point
51    o model/src:
52      add run-time parameters to check and/or mask initial Temp & Salt
53    o pkg/ptracers:
54      apply zonal filter (if used) to all passive tracers
55    
56    checkpoint61w
57    o adjoint:
58      * update and finish work on adjoint of dic package (G. Forget)
59      * start adjoint of offline package
60      * bug fix for cube-sphere TLM code (active_file_g.F)
61    o tutorial_global_oce_optim:
62      now tested with 4 tiles (change data.grdchk and update output_adm.txt)
63      and add SIZE.h_mpi for MPI testing
64    o pkg autodiff
65     - fix bug in autodiff_restore
66     - make genmake2 remove comments and empty lines from ad_input_code.f in
67       order to reduce file size (new script file remove_comments_sed)
68    o allows to specify vertical profile of vertical viscosity (viscArNr)
69    o pkg autodiff
70      autodiff_ini_model_io: comment out writing of grid information to netcdf
71      files, because at this time the grid fields are a bunch of zeros
72      (this is analogous to ini_mnc_vars.F)
73    o pkg seaice/autodiff:
74     left-over from removing the 3-time-level fields:
75     - small rearrangement of common blocks (SEAICE.h)
76     - fix field declaration in order to get meaningful output in
77       adseaice.*.nc (adcommon.h)
78    o pkg obcs:
79     - go through NH code only if nonHydrostatic=T
80     - fix restart for Orlanski (Hydrostatic; still to fix NH+Orlanski restart)
81     - move call to OBCS_CALC before SEAICE_MODEL which needs seaice-obc fields
82       => Update output of experiment seaice_obcs
83     - useOBCSbalance: code is wrong with multi-tile / proc: add a stop.
84     - fix NH+Orlanski restart (add wvel OBC value in pickup file)
85     - fix restart for useOBCSprescribe + useEXF
86    o pkg ctrl
87     - make obcs as control parameter work also with useSingleCPUio
88     - replace a few sny and snx by Ny and Nx to be consistent with
89       ctrl_set_globfld_x/yz.F
90    o pkg seaice
91     - re-introduce global field frWtrAtm for the case of
92       ALLOW_MEAN_SFLUX_COST_CONTRIBUTION defined (SEAICE.h, seaice_growth.F)
93     - catch the case of an empty filename in seaice_cost_init_fixed.F
94    o pkg ecco:
95     - small bug fixes in the_main_loop
96      . fix order of monitor arguments
97      . change SEAICE_MULTILEVEL to SEAICE_MULTICATEGORY
98      . move include DYNVARS.h up outside the ALLOW_AUTODIFF_TAMC block so
99        that ALLOW_ECCO_FORWARD_RUN works with NONLIN_FRSURF
100     - replace cos(yc*deg2rad) by _rA in cost_mean_heat/saltflux.F, fix the
101       imbalance diagnostics for wmean_h/sflux = 0
102     - add actual values to f_obcsn/s/w/e in ecco_cost_final.F
103     - catch the case of empty filenames in ecco_cost_init_fixed.F
104       and ecco_readparms.F
105     - fix the logic of wsalt=0.and.wsalt2=0 to wsalt=0.or.wsalt2=0 (and theta)
106       to make this statement meaningfull in ecco_cost_weights.F
107    o pkg zonal_filt:
108      - change ZONAL_FILTER S/R interface (allows to filter 2-D fields)
109      - when using rStar, filter uVel*hFacW instead of uVel
110       (tested without topography: fix a Pb of growing instability with NLFS)
111    o pkg/aim/thsice:
112     -Add capacity to read a Q-Flux to be applied in slab-mixed layer thsice_slab_ocean.F
113      (works as SST restoring)
114    o pkg/thsice:
115     -add specific parameter for salt restoring in slab mixed-layer
116       (by default equal to the temperature restoring)
117    
118    checkpoint61v
119    o pkg/kpp:
120     -add double diffusive contributions as a hack, turned off by default
121      for now, and the code can be excluded with a CPP-flag
122      EXCLUDE_KPP_DOUBLEDIFF just as EXCLUDE_KPP_SHEAR_MIX
123     -add a verification experiments to "vermix" to test this code
124    o pkg/mom_common:
125      Move computation of length scales to mom_init_fixed.F (avoid recomputation
126      at each time-steps*levels).
127    o pkg/layers:
128      Created a new package for computing volume fluxes in temperature or
129      [not yet implemented] density layers, e.g. for calculating residual
130      overturning circulations.
131    o pkg/diagnostics:
132      implement a RS type version for the set of DIAGNOSTICS-FILL subroutines
133    o fix few RS/RL type mismatch (check with ifort 11.1 "-warn all" option)
134    o pkg/mdsio (& pkg/rw): rework high level S/R interface:
135      To avoid mixing type (RS/RL) of input/output array argument,
136      replace single mixed-type array with a pair from each type (RS/RL).
137    o setting pickupSuff force to start from a pickup (even if nIter0=0): this
138      is now implemented for all pkgs (previously only done for the main pickup)
139    
140    checkpoint61u
141    o pkg/obcs:
142      - change OB?eta from _RS to _RL and put them into a separate commen block
143      - add code to read OB?eta from a file via obcs_prescribe_read: the code
144        compiles and does not destroy any other experiments, the data is read
145        properly, but the code is not tested in actual applications
146    o ini_mnc_vars.F: if available (ALLOW_CAL), use startTime_1 and 2 to
147      create a meaningful unit attribute for the time coordinate variable
148    o pkg/ebm: add plenty of missing "_d 0" ;
149       update results of experiment global_ocean_ebm (fwd + adjoint tests)
150      Notes: several pieces of code only works for (very) specific set up
151       (domain size, lat range, etc ...); should be documented & stop if one
152       of those assumptions is not meet.
153    o pkg/seaice: add missing "_d 0" in HSNOW initialisation
154       update results of experiments: lab_sea (3 fwd tests + 2 adjoint tests)
155          and offline_exf_seaice (seaicetd + adjoint).
156    o add missing "_d 0" in ShortWave flux penetration (S/R SWFRAC):
157       update results of experiments: lab_sea (4 fwd tests + 3 adjoint),
158        seaice_obcs, global_ocean.cs32x15 (icedyn & thsice) and natl_box (x2).
159    o few changes to pass when compiling with strick checking of arguments
160       across S/R (allow to find few bugs in S/R calls).
161    o pkg/seaice:
162     - seaice_evp: move if-statement out of loop (TEM) at the cost of 11 new
163       2d-fields, for slightly better performance
164    
165    checkpoint61t
166    o pkg/seaice:
167     - remove unused variables in seaice_evp
168     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
169    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
170       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
171       each processor opens a different file (a fix from Matt).
172    o cg2d:
173       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
174       this reduces number of EXCH calls by 2 when using exch2.
175       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
176       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
177    o pkg/thsice:
178       add code for Near Infra-Red albedo (from Jeff)
179       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
180    o ini_model_io:
181       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
182       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
183       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
184    
185    checkpoint61s
186    o pkg/exch2 (exch2_rxN_cube*):
187       remove last BARRIER (no need to synchronise after getting data from shared
188       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
189    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
190      and generate new output (for the 2 tests) using default rotationPeriod.
191    o pkg/exch2:
192      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
193        (was already the case with AUTODIFF_EXCH2 defined)
194      - add bj in exch2 arrays and S/R.
195      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
196        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
197    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
198      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
199        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
200      - verification experiment natl_box.longstep
201    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
202      allow different versions of ifort (8 or 9) and different versions
203       of mpi (mpich or mpich2) to be used with the same optfile.
204      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
205       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
206    o pkg/seaice:
207      fix previous modif (3-level field removed) for old-pickup reading
208    
209    checkpoint61r
210    o pkg/seaice:
211     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
212      1. introduce fields for time step (N-1)
213      2. do not use levels 2 and 3 anymore (but keep them)
214      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
215         includes changes to pkg/thsice/thsice_get_velocity.F,
216         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
217         pkg/obcs/obcs_apply_uvice.F.
218     - completely remove code for leap-frog time stepping for second order
219       advection
220     - adjusted adjoint accordingly;
221       gradient checks have improved by an order of magnitude!
222    
223    checkpoint61q
224    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
225     - the boundary conditions along open boundaries are unclear, because the
226       associated masks are set to zero and are thus treated as closed when
227       applying the slip-boundary conditions.
228     - move initialisation of grid variables from seaice_init_varia to _fixed
229    o adding doc/diags_changes.txt
230    o model/src:
231      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
232       to avoid "_diags" naming if no relation to pkg/diagnostics.
233      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
234       file and only call PLOT_FIELD_XYZ if debugMode=T.
235      remove few PLOT_FIELD_XY calls outside initialisation.
236      remove few unnecessary BARRIER.
237    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
238      of salt_plume package in Southern Ocean
239    o pkg/thsice:
240     - fix hOceMxL in overlap (needed for sea-ice advection);
241       update output of experiment global_ocean.cs32x15.icedyn.
242  o pkg/seaice:  o pkg/seaice:
243     - make the (placeholder-)tracer IceAge a little more meaningful
244      by avoiding ridging of age due to convergent ice flow
245     - add diagnostics for surface temperature, atmospheric and oceanic
246       heat flux, and atmospheric and oceanic ice growth
247    
248    checkpoint61p
249    o eesupp (global_max & global_sum):
250     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
251     - remove starting & endding barrier (no longer needed)
252    o pkg/mdsio, writelocal:
253       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
254       (remove the STOP): uses shared buffer IO to store data from all threads
255       and then let master-thread write nThreads tiles.
256    o pkg/mdsio (read/write field):
257     - tiled IO done in 1 piece (all levels at a time);
258     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
259     - multi-threaded: allow to read/write local (non-shared) array
260       (was already working with singleCpuIO ; now works also without);
261       => no longer needs barrier call after reading a file (added inside
262       mds_read/write field).
263     - move barrier calls outside gather/scatter_2d to mds_read/write_field
264    o pkg/obcs/exf
265      - exf_getffieldrec.F: add a few ". _d 0" and
266                            add code to catch the case fldperiod = 0.  
267      - obcs_precribe_read.F: change if statements so that they match
268                              the variable type (_RL)
269      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
270        exf_iprec) as part of namelist EXF_NML_01
271    o pkg/mdsio:
272      - read/write tiled (local) files: read/write 1-level tile chunk at a time
273        (instead of segment of length sNx); expected to speed up tiled IO.
274    o pkg/exch2:
275      - take buffer copy from/to array out of S/R exch2_send/recv into new
276        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
277        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
278      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
279      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
280        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
281        including Topology header file (and common blocks).
282      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
283        remove 2nd exch call in exch2_s3d_rx (no longer needed).
284      - document S/R arg. list (+ update some comments)
285    o pkg/seaice:
286      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
287        temperature and humidity over sea ice based on climatological values.
288      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
289        of LSR (this change is expected to change the results slightly because now
290        it uses slightly difference moduli from the second last LSR solution, but
291        that is more consistent with the stress computations; this part of the code
292        is not tested in the verification experiments)
293      - fix diagnostics for flux of ice in case of B-grid
294      - turn strain rates eij and press into global fields within global
295        common block in SEAICE.h for more straighforward diagnostics
296      - fix diagnostics for principal stress components, press, zeta, eta
297        to give something meaning full
298    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
299      new output (all 4 tests) using default rotationPeriod.
300    o pkg KPP:
301      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
302      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
303        and normal grid from 1 to Nr)
304    o Fix computations of L4rdt in mom_calc_visc.F
305    o eesupp:
306      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
307      should be called before a "stop" if we know that all process are going
308      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
309    
310    checkpoint61o
311    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
312    o model/src/ini_curvilinear_grid.F:
313       compute angleSin/CosC when they are not read from a file
314    o pkg/seaice:
315     add pseudo time stepping for LSOR     add pseudo time stepping for LSOR
316  o pkg/exch2:  o pkg/exch2:
317     temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW     temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW

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