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revision 1.628 by jmc, Mon Mar 13 04:44:25 2006 UTC revision 1.738 by jmc, Thu Oct 26 00:50:48 2006 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o multi-threading and IO:
8      - replace some call to MDSIO S/R by the corresponding READ/WRITE_FLD S/R.
9      - remove most of BEGIN_MASTER/ END_MASTER around READ/WRITE_FLD S/R calls
10        (needed to work with SingleCpuIO): tested in all verif. exp.
11    o GAD: use simpler DST3 formulation as default (old version left within #ifdef)
12      affects the results (but none of the verification test uses this scheme).
13    o Adding some pkg/diagnostics capability to pkg/seaice
14      (will certainly be subject to changes)
15    
16    checkpoint58q_post
17    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
18      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
19      high_res_cube configuration by 4% on Columbia.
20    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
21      add (in global_with_exf/code) a version of EXF_INTERP_READ without
22      dynamical allocation (seems to work in multi-threaded).
23    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
24      single CPU io) so that TAF does not have to see EESUPPORT.h
25    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
26    
27    checkpoint58p_post
28    o obcs: stop if obcs is used with useCDscheme = .true.
29    o shelfice:
30     - fix a sign error so that no slip at shelfice interface works
31     - remove stop for combination non-hydrostatic code and shelfice. That does
32       not mean, that the results are correct, but at least they are numerically
33       stable
34    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
35    o added adjoint exch routined for all exch*3d* routines
36      and updated flow directives
37    
38    checkpoint58o_post
39    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
40      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
41    o change controling S/R for writing pickup file (new S/R do_write_pickup)
42      and clean-up reading/writing of pickup files.
43    o fix local version of read/write pickup (NH part) in rotating_tank/code
44    o simplify EXCH interface:
45     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
46     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
47    o added the regrid package
48    o shelfice:
49     - add a simple boundary layer scheme to reduce noise
50     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
51    
52    checkpoint58n_post
53    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
54       local variable (not in common block).
55    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
56      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
57      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
58        to work with SingleCpuIO.
59    o add "_d 0" to real constant of pkg/cfc subroutines ;
60       update exp. cfc_exemple & tutorial_cfc_offline output files.
61    o multi-threading and IO:
62      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
63        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
64      - barrier before and after reading.
65      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
66      - avoid using MDS_WRITELOCAL for LAND pkg output.
67      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
68        common-block variables ; Allows multi-threading with master-thread IO.
69    o change default MAX_NO_THREADS from 32 to 4 ;
70      and stop cleanly when MAX_NO_THREADS is too small.
71    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
72    
73    checkpoint58m_post
74    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
75       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
76    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
77       keep global_ocean.90x40x15 (for AD testing) with former secondary test
78       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
79    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
80        add MITgcm_tutorials (= code + all the tutorials)
81    o ecco, option to compute cost for total ssh (mean+anom)
82    o consistent with addition of ptracer and ssh in pkg/profiles
83    o profiles: adding ptracer and ssh
84    o testreport: change multi-test output-file name
85      (from output.txt.{name} to output.{name}.txt)
86    o profiles: now ok for mutli-tiles case
87    o seaice: add 4 parameters for different advection schemes for area,
88      (effective) seaice thickness, enthalphy, and snow height. Their default
89      is the standard parameter SEAICEadvScheme
90    o calc_gw:
91     - add cosFacU in zonal viscous flux (harmonic.visc.).
92     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
93       of tutorial_plume_on_slope.
94    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
95    o calc_gw: true flux-form, account for horizontal grid spacing.
96      update rotating_tank results, but not plume_on_slope (affected at
97      truncation level, 11 digits).
98    
99    checkpoint58l_post
100    o calc_gw:
101     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
102     - remove side-drag for now (need to fix it); update plume_on_slope results.
103     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
104    o commit code to make SST/SSS weights spatially variable
105      (based on either variable in-situ or variable initial T/S weights)
106    o pkg/ecco:
107      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
108        now based on horizontally varying weights wthetaLev, wsaltLev
109      * cost_averagesflags now returns year indices in addition to day, month
110      * sflux balance is performed on annual basis
111        (sflxumm, sfluxmm2, bal_sfluxmm)
112      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
113        including separate counting and multipliers
114    o pkg/rbcs
115      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
116    
117    checkpoint58k_post
118    o testreport:
119     - always build in dir. "build" (if not there, mkdir build instead of building
120       & running in input)
121     - run in dir run (if it exists), in build otherwise.
122     - call prepare_run (if input/prepare_run exists)
123     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
124    o pkg/exf modifications to interpolation and rotation routines for more
125       reasonable treatment of North Pole singularity: for tracers North Pole
126       value is set to northernmost zonal-mean value, for zonal velocity it is
127       set to zero, and for meridional velocity it is set to northernmost value.
128    o pkg/exf/exf_check_range.F
129     - add tile index to diagnostics and move stop statement to the very
130       end of the routine.
131    o pkg/diagnostics: (diagnostics_main_init.F)
132      define title of isomorphic variables according to the current config.
133    o pkg/thsice with pkg/seaice dynamics:
134    - fix domain of computation (interior only, required for exf) and do exchanges
135    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
136    o towards a standard way of dealing with multi-threading in MONITOR
137      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
138    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
139       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
140    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
141    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
142    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
143       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
144    o tracer advection:
145     - clean-up and simplify calc_common_factors.F
146     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
147       advection subroutine (but still not used within DST advection S/R)
148    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
149    
150    checkpoint58j_post
151    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
152      from file (collects calls previously in FORWARD_STEP)
153    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
154    o adjoint store dir. adjusted accordingly
155    o genmake2
156      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
157    
158    checkpoint58i_post
159    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
160      on wind stress (SEAICEstressFactor defaults to 1.)
161    o Total number of Timers is finite (<=40): comment out 2 non-essential one
162      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
163    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
164      on CS-grid: no longer loosing mass.
165    o exf & curvilinear-grid: no longer modify longitude xC & xG.
166    o pkg/ggl90: fix sloppy output and fix a bug
167    o pkg/seaice: added SEAICEuseEVPpickup parameter
168      - Set to false in order to start EVP solver with
169        non-EVP pickup files when using SEAICEuseEVP
170      - fix sign error in diffusion in seaice_calc_rhs
171    
172    checkpoint58h_post
173    * Modifications for bottom topography control
174      o replace hFacC by _hFacC at various places
175      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
176      o add non-self-adjoint cg2d_nsa
177      o update autodiff support routines
178      o re-initialise hfac after ctrl_depth_ini
179      o works for 5x5 box, doesnt work for global_ocean.90x40x15
180    * Adding verification for 5x5 box (4-layer) bottom topography control
181    
182    checkpoint58g_post
183    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
184       used for mean seasonal cycle, mean diurnal cycle); add an example
185       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
186    o pkg/ggl90:
187      - add parameter (minimum surface kinetic energy)
188      - fix bug (avoiding division by zero)
189    o couple pkg/thsice to pkg/seaice:
190      - modify advection in seaice to accomodate new scalar fields to be advected
191      - only muliDimAdection scheme work with seaice/thsice
192      - mapping of thsice-variables to seaice-variables, back and forth
193      - does not break the verification experiments, but does not give the
194        desired results either
195    o pkg/seaice
196      - make (default) second order advection a bit less confusing?
197    
198    checkpoint58f_post
199    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
200      to pkg/seaice):
201      - new routines thsice_map_exf and thsice_get_exf provide the interface
202      - add an additional formal parameter to thsice_solve4temp
203    o pkg/exf:
204      - add new fields wspeed, snowprecip (to be able to couple to thsice)
205      - correct Stefan-Boltzmann constant
206      - new parameter for longwave surface emittance
207      - separate some stuff from exf_bulkformulae into new routines  
208        exf_radiation, exf_wind
209      - add new parameters and constants: longwave emissivity for ocean, ice
210        and snow, evaporation parameters over ice
211      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
212        either wind from stress or stress from wind
213    o pkg/thSIce:
214    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
215    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
216       and THSICE_CALC_THICKN
217    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
218    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
219      to make debugging easier.
220    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
221    o pkg/bulk_force:
222      - clean-up comments and parameters ;
223      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
224    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
225      generate new output for test-experiment: aim.5l_cs.thSI
226    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
227      testreport accordingly
228    
229    checkpoint58e_post
230    o SEAICE_CGRID adjoint done
231    o R_STAR adjoint implemented.
232      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
233      * need to sort out init. of h0facc, etc.
234    o Make pkg/profile fully independent of ecco,cost, etc. stuff
235      to be able to use it in pure forward.
236    
237    checkpoint58d_post
238    o upgrade simple test-experiment to tutorial example:
239     step.1: duplicate the experiment and (step.2) will remove the old copy.
240      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
241      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
242      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
243      tutorial_global_oce_biogeo    <- copy of dic_example
244      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
245      tutorial_plume_on_slope       <- copy of plume_on_slope
246      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
247      tutorial_global_oce_optim     <- empty for now (David ?)
248      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
249     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
250    o correct a sign problem in cost_scat.F
251    o obcs and ptracers: fix boundary conditions for advections schemes
252      with larger stencil
253    o thsice adjoint: start
254    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
255      completeness
256    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
257      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
258    o ptracers adjoint:
259      * avoid extensive recomputatations
260      * fix missing re-init. of gptr (missed by TAF)
261    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
262      me to turn off the excessive output to STDOUT that this package produces
263    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
264      and add those terms in Vector-Invariant formulation.
265    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
266      if the control period (xx_hfluxperiod etc) is 0
267    o in profiles pkg, clean routines and fix details
268    o in ecco pkg, reading ssh data:
269      fix problem in case the model does not start at iter0=0
270    o fix mnc-pickup/restart for ptracers
271    o new package prifiles:
272      code to compute profile-based cost by Gael Forget
273      (modifs in ecco, ctrl, autodiff)
274    o Benign bug fix in initialization (spotted by M. Mazloff) of
275      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
276    
277    checkpoint58c_post
278    o adjoint: finish NLFS adjoint and provide reference output in
279      verification/global_ocean.90x40x15/results_ad_nlfs
280    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
281      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
282      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
283      with SEAICE_CGRID defined.
284    o move calendarDumps from "data" to "data.cal" and clean-up the code
285      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
286    o add useEXF & useCAL flags (for now, set in hard-coded way)
287    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
288      (were missing in NH mode, and wrong in quasihydrostatic mode).
289      waiting for Chris updated version of calc_gw to add those CALLs.
290    o fix bug in quasihydrostatic S/R ;
291      add a test for this option: global_ocean.90x40x15.qshyd
292    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
293      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
294    o add on/off flag useOffLine for package OFFLINE
295    o seaice:
296      - modify advection so that it works also on the C-grid
297      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
298        problem in multi-tile runs with C-grid
299      - add flags for clipping ice velocities and/or masking solver forcing
300      - fix drag (ocean on ice) formulation and a bug that caused noise in the
301        C-grid solver
302      - added a few comments to seaice_diffusion.F
303      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
304        are now exclusive)
305      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
306        required re-ordering the code a little:
307       + make DAIRN global variable (defined in SEAICE)
308       + move computation of the viscosities eta and zeta into a new separate
309         routine (because I need to recompute them in seaice_ocean_stress.F)
310    
311  checkpoint58b_post  checkpoint58b_post
312  o AIM+thSIce: fix sign of Short-Wave through the Ice ;  o AIM+thSIce: fix sign of Short-Wave through the Ice ;
313    update output.txt of exp. aim.5l_cs.thSI    update output.txt of exp. aim.5l_cs.thSI

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