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revision 1.624 by jmc, Tue Mar 7 17:31:03 2006 UTC revision 1.734 by dimitri, Thu Oct 19 06:54:23 2006 UTC
# Line 3  $Name$ Line 3  $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    o added CPP_EEOPTIONS.h flag DISABLE_MPI_READY_TO_RECEIVE.  Speeds up
7      1/6-deg Southern Ocean configuration by 8% on IBM Datastar and
8      high_res_cube configuration by 4% on Columbia.
9    o clean-up multi-threaded problems (reported by debugger tcheck on ACES);
10      add (in global_with_exf/code) a version of EXF_INTERP_READ without
11      dynamical allocation (seems to work in multi-threaded).
12    o new function "MASTER_CPU_IO" (=T if master thread & master CPU, if using
13      single CPU io) so that TAF does not have to see EESUPPORT.h
14    o pkg/seaice: implement sea-ice loading (when using RealFreshWaterFlux)
15    
16    checkpoint58p_post
17    o obcs: stop if obcs is used with useCDscheme = .true.
18    o shelfice:
19     - fix a sign error so that no slip at shelfice interface works
20     - remove stop for combination non-hydrostatic code and shelfice. That does
21       not mean, that the results are correct, but at least they are numerically
22       stable
23    o diagnoctics: modify UVELPHI and VVELPHI to include hfac (i.e. mass-weighted)
24    o added adjoint exch routined for all exch*3d* routines
25      and updated flow directives
26    
27    checkpoint58o_post
28    o replace calls to EXCH_Z & EXCH_UV_AGRID: use the new _3D_ version ;
29      remove old subroutines (_XY_ & _XYZ_); update the adjoint version.
30    o change controling S/R for writing pickup file (new S/R do_write_pickup)
31      and clean-up reading/writing of pickup files.
32    o fix local version of read/write pickup (NH part) in rotating_tank/code
33    o simplify EXCH interface:
34     - change _XYZ_ interface to _3D_ subroutine (with 3rd dim in argument list)
35     - not often used EXCH S/R (exch_z, exch_uv_agrid): keep only the _3D_ version
36    o added the regrid package
37    o shelfice:
38     - add a simple boundary layer scheme to reduce noise
39     - fix the indexing in shelfice_u/v_drag so that there will be actually drag
40    
41    checkpoint58n_post
42    o fix globalArea multi-threaded calculation: need to apply GLOBAL_SUM to
43       local variable (not in common block).
44    o lot of small changes for multi-threaded. Most tests (using OMP & ifort) pass.
45      - still problems with pkgs: mnc, exp2, dic, cal, exf (and probably more);
46      - still BEGIN_MASTER/END_MASTER to remove around READ/WRITE_FLD S/R calls
47        to work with SingleCpuIO.
48    o add "_d 0" to real constant of pkg/cfc subroutines ;
49       update exp. cfc_exemple & tutorial_cfc_offline output files.
50    o multi-threading and IO:
51      - all threads call READ_FLD S/R (needed if using SingleCpuIO):
52        (no BEGIN_MASTER/ END_MASTER around the call, but inside MDSIO S/R.
53      - barrier before and after reading.
54      - stop if other than master is calling MDS_WRITELOCAL (if #undef IO_THREAD_SAFE)
55      - avoid using MDS_WRITELOCAL for LAND pkg output.
56      - new S/R AIM_WRITE_PHYS (replaces AIM_WRITE_LOCAL) to write AIM physics
57        common-block variables ; Allows multi-threading with master-thread IO.
58    o change default MAX_NO_THREADS from 32 to 4 ;
59      and stop cleanly when MAX_NO_THREADS is too small.
60    o add S/R BAR_CHECK to check multi-threaded barrier synchronization
61    
62    checkpoint58m_post
63    o add a Non-Hydroatatic test (with 3-D Coriolis, NHMTerms, biharmonic Visc.
64       and side-drag) on CS-grid : global_ocean.cs32x15.viscA4
65    o make "tutorial_global_oce_latlon" from standard "global_ocean.90x40x15" exp.
66       keep global_ocean.90x40x15 (for AD testing) with former secondary test
67       (".qshyd") as the main test (mv output.qshyd.txt to output.txt)
68    o CVS modules: update MITgcm_verif_basic; remove MITgcm_verif_ocean & _verif_atmos;
69        add MITgcm_tutorials (= code + all the tutorials)
70    o ecco, option to compute cost for total ssh (mean+anom)
71    o consistent with addition of ptracer and ssh in pkg/profiles
72    o profiles: adding ptracer and ssh
73    o testreport: change multi-test output-file name
74      (from output.txt.{name} to output.{name}.txt)
75    o profiles: now ok for mutli-tiles case
76    o seaice: add 4 parameters for different advection schemes for area,
77      (effective) seaice thickness, enthalphy, and snow height. Their default
78      is the standard parameter SEAICEadvScheme
79    o calc_gw:
80     - add cosFacU in zonal viscous flux (harmonic.visc.).
81     - put back side-drag (call new S/R MOM_W_SIDEDRAG) and output.txt.
82       of tutorial_plume_on_slope.
83    o obcs_calc.F : fix index Pb in OBSeta & OBNeta (Thanks to Gianmaria).
84    o calc_gw: true flux-form, account for horizontal grid spacing.
85      update rotating_tank results, but not plume_on_slope (affected at
86      truncation level, 11 digits).
87    
88    checkpoint58l_post
89    o calc_gw:
90     - take bi,bj loops outside calc_gw to fix Pb with local array KappaRU,V
91     - remove side-drag for now (need to fix it); update plume_on_slope results.
92     - fix for partial-cell & non-uniform dz; update plume_on_slope results.
93    o commit code to make SST/SSS weights spatially variable
94      (based on either variable in-situ or variable initial T/S weights)
95    o pkg/ecco:
96      * commit code to relax deviations of xx_theta, xx_salt to 5*sigma,
97        now based on horizontally varying weights wthetaLev, wsaltLev
98      * cost_averagesflags now returns year indices in addition to day, month
99      * sflux balance is performed on annual basis
100        (sflxumm, sfluxmm2, bal_sfluxmm)
101      * for SSH anomaly, separate more cleanly contrib from T/P, ERS, GFO,
102        including separate counting and multipliers
103    o pkg/rbcs
104      * add all necessary infrastructure for pkg/rbcs levN adjoint checkpointing
105    
106    checkpoint58k_post
107    o testreport:
108     - always build in dir. "build" (if not there, mkdir build instead of building
109       & running in input)
110     - run in dir run (if it exists), in build otherwise.
111     - call prepare_run (if input/prepare_run exists)
112     - run multi-threaded test (with new option: "-mth") if file input/eedata.mth exists.
113    o pkg/exf modifications to interpolation and rotation routines for more
114       reasonable treatment of North Pole singularity: for tracers North Pole
115       value is set to northernmost zonal-mean value, for zonal velocity it is
116       set to zero, and for meridional velocity it is set to northernmost value.
117    o pkg/exf/exf_check_range.F
118     - add tile index to diagnostics and move stop statement to the very
119       end of the routine.
120    o pkg/diagnostics: (diagnostics_main_init.F)
121      define title of isomorphic variables according to the current config.
122    o pkg/thsice with pkg/seaice dynamics:
123    - fix domain of computation (interior only, required for exf) and do exchanges
124    - seaice-dynamics forcing: add atmospheric and seaice loading to SSH gradient
125    o towards a standard way of dealing with multi-threading in MONITOR
126      and ${PKG}_MONITOR (all except ptracers_monitor) subroutines.
127    o Pass variable viscosities (vertical and horizontal, e.g., KPP or Leith)
128       to W momentum equation in nonhydrostatic and quasihydrostatic runs.  
129    o make exf_monitor & seaice_monitor independant of the main (dynamics) monitor.
130    o pkg/seaice: fix SEAICEuseEVPpickup parameter (put it in a commom block)
131    o generic_advdiff: DST advection S/R : use local copy of velocity to compute CFL
132       (problems ? with gradient check in bottom_ctrl_5x5 adjoint test)
133    o tracer advection:
134     - clean-up and simplify calc_common_factors.F
135     - make a local copy of velocity and pass it (as u,v,r_Trans) to DST tracer
136       advection subroutine (but still not used within DST advection S/R)
137    o rename pkg aim_ocn_coupler to atm_ocn_coupler (later on, will be used without aim)
138    
139    checkpoint58j_post
140    o new driver S/R: LOAD_FIELDS_DRIVER to load external forcing fields
141      from file (collects calls previously in FORWARD_STEP)
142    o move call to SEAICE_MODEL from FORWARD_STEP to DO_OCEANIC_PHYS
143    o adjoint store dir. adjusted accordingly
144    o genmake2
145      replace target "ad_taf" by $(EXE_AD) ; add $(EXE_AD) to the make CLEAN list.
146    
147    checkpoint58i_post
148    o pkg/seaice: add parameter that allows to scale/turn off effect of seaice
149      on wind stress (SEAICEstressFactor defaults to 1.)
150    o Total number of Timers is finite (<=40): comment out 2 non-essential one
151      in the_main_loop.F to avoid Pb (e.g., when running fizhi test)
152    o vector_invariant: fix highOrderVorticity(=4.th.Order) advection
153      on CS-grid: no longer loosing mass.
154    o exf & curvilinear-grid: no longer modify longitude xC & xG.
155    o pkg/ggl90: fix sloppy output and fix a bug
156    o pkg/seaice: added SEAICEuseEVPpickup parameter
157      - Set to false in order to start EVP solver with
158        non-EVP pickup files when using SEAICEuseEVP
159      - fix sign error in diffusion in seaice_calc_rhs
160    
161    checkpoint58h_post
162    * Modifications for bottom topography control
163      o replace hFacC by _hFacC at various places
164      o replace ALLOW_HFACC_CONTROL by ALLOW_DEPTH_CONTROL
165      o add non-self-adjoint cg2d_nsa
166      o update autodiff support routines
167      o re-initialise hfac after ctrl_depth_ini
168      o works for 5x5 box, doesnt work for global_ocean.90x40x15
169    * Adding verification for 5x5 box (4-layer) bottom topography control
170    
171    checkpoint58g_post
172    o pkg/diagnostics: implement "periodic averaging diagnostics" (e.g.,
173       used for mean seasonal cycle, mean diurnal cycle); add an example
174       in verification/global_ocean.cs32x15/input.thsice/data.diagnostics
175    o pkg/ggl90:
176      - add parameter (minimum surface kinetic energy)
177      - fix bug (avoiding division by zero)
178    o couple pkg/thsice to pkg/seaice:
179      - modify advection in seaice to accomodate new scalar fields to be advected
180      - only muliDimAdection scheme work with seaice/thsice
181      - mapping of thsice-variables to seaice-variables, back and forth
182      - does not break the verification experiments, but does not give the
183        desired results either
184    o pkg/seaice
185      - make (default) second order advection a bit less confusing?
186    
187    checkpoint58f_post
188    o couple pkg/thsice and pkg/exf (as a preparation for coupling pkg/thsice
189      to pkg/seaice):
190      - new routines thsice_map_exf and thsice_get_exf provide the interface
191      - add an additional formal parameter to thsice_solve4temp
192    o pkg/exf:
193      - add new fields wspeed, snowprecip (to be able to couple to thsice)
194      - correct Stefan-Boltzmann constant
195      - new parameter for longwave surface emittance
196      - separate some stuff from exf_bulkformulae into new routines  
197        exf_radiation, exf_wind
198      - add new parameters and constants: longwave emissivity for ocean, ice
199        and snow, evaporation parameters over ice
200      - decouple wind/stress computation from ALLOW_BULKFORMULA: always compute
201        either wind from stress or stress from wind
202    o pkg/thSIce:
203    - split thsice_step_fwd.F in 2 S/R: thsice_step_temp.F & thsice_step_fwd.F
204    - put i,j loops inside S/R: THSICE_ALBEDO, THSICE_SOLVE4TEMP, THSICE_EXTEND
205       and THSICE_CALC_THICKN
206    - for now, call to THSICE_GET_BULKF remains inside i,j loops.
207    - add CPP option: ALLOW_DBUG_THSICE and header file THSICE_DEBUG.h
208      to make debugging easier.
209    - affects results (@ truncation level) of global_ocean.cs32x15.thsice: update output
210    o pkg/bulk_force:
211      - clean-up comments and parameters ;
212      - add new Bulk-Formulae from Large and Yeager, 2004, NCAR/TN-460+STR ;
213    o fix bug in aim+thsice albedo: snow & ice thickness arguments were switched;
214      generate new output for test-experiment: aim.5l_cs.thSI
215    o results_ad : rename "output.txt_adm" to "output_adm.txt" and change
216      testreport accordingly
217    
218    checkpoint58e_post
219    o SEAICE_CGRID adjoint done
220    o R_STAR adjoint implemented.
221      * Seems to just work (based on global_ocean.90x40x15/code_ad_nlfs/ )
222      * need to sort out init. of h0facc, etc.
223    o Make pkg/profile fully independent of ecco,cost, etc. stuff
224      to be able to use it in pure forward.
225    
226    checkpoint58d_post
227    o upgrade simple test-experiment to tutorial example:
228     step.1: duplicate the experiment and (step.2) will remove the old copy.
229      tutorial_barotropic_gyre      <- copy of exp0     (R1:barotropic_gyre_in_a_box)
230      tutorial_baroclinic_gyre      <- copy of exp1     (R1:baroclinic_gyre_on_a_sphere)
231      tutorial_global_oce_latlon    <- empty for now    (R1:global_ocean_circulation)
232      tutorial_global_oce_biogeo    <- copy of dic_example
233      tutorial_deep_convection      <- almost like exp5 (R1:nonhydrostatic_deep_convection)
234      tutorial_plume_on_slope       <- copy of plume_on_slope
235      tutorial_tracer_adjsens       <- copy of carbon   (R1:tracer_adjoint_sensitivity)
236      tutorial_global_oce_optim     <- empty for now (David ?)
237      tutorial_global_oce_in_p      <- copy of global_ocean_pressure
238     some tutorials (R1) were already checked-in under tutorial_examples in release1_branch
239    o correct a sign problem in cost_scat.F
240    o obcs and ptracers: fix boundary conditions for advections schemes
241      with larger stencil
242    o thsice adjoint: start
243    o mom_vecinv: add ISOTROPIC_COS_SCALING flags to mom_vi_hdissip for
244      completeness
245    o mom_fluxform: fixing the mutual use of ISOTROPIC_COS_SCALING
246      and COSINEMETH_III, add comments in default CPP_OPTIONS.h
247    o ptracers adjoint:
248      * avoid extensive recomputatations
249      * fix missing re-init. of gptr (missed by TAF)
250    o obcs: add a flag (OBCSprintDiags, defaults is true) that allows
251      me to turn off the excessive output to STDOUT that this package produces
252    o move NH metric terms & 3.D Coriolis S/R to pkg/mom_common
253      and add those terms in Vector-Invariant formulation.
254    o in ctrl pkg, if ALLOW_CAL, use monthly mean controls
255      if the control period (xx_hfluxperiod etc) is 0
256    o in profiles pkg, clean routines and fix details
257    o in ecco pkg, reading ssh data:
258      fix problem in case the model does not start at iter0=0
259    o fix mnc-pickup/restart for ptracers
260    o new package prifiles:
261      code to compute profile-based cost by Gael Forget
262      (modifs in ecco, ctrl, autodiff)
263    o Benign bug fix in initialization (spotted by M. Mazloff) of
264      ctrl_set_globfld_xz.F ctrl_set_globfld_yz.F
265    
266    checkpoint58c_post
267    o adjoint: finish NLFS adjoint and provide reference output in
268      verification/global_ocean.90x40x15/results_ad_nlfs
269    o seaice: add an EVP solver following Hunke and Dukowicz (1997) and the
270      documentation of CICE. Turn on by defining SEAICE_ALLOW_EVP in
271      SEAICE_OPTIONS.h and SEAICEuseEVP=.true. in data.seaice. Works only
272      with SEAICE_CGRID defined.
273    o move calendarDumps from "data" to "data.cal" and clean-up the code
274      with a simple call to pkg/cal S/R: CAL_TIME2WRITE
275    o add useEXF & useCAL flags (for now, set in hard-coded way)
276    o add S/R to compute NH-metrics terms & Coriolis f' in vertical momentum
277      (were missing in NH mode, and wrong in quasihydrostatic mode).
278      waiting for Chris updated version of calc_gw to add those CALLs.
279    o fix bug in quasihydrostatic S/R ;
280      add a test for this option: global_ocean.90x40x15.qshyd
281    o new S/R "SET_PARMS": set parameters that might depend on the use of some pkgs.
282      (called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS)
283    o add on/off flag useOffLine for package OFFLINE
284    o seaice:
285      - modify advection so that it works also on the C-grid
286      - extend loop ranges in seaice_lsr and seaice_dynsolver; fixes
287        problem in multi-tile runs with C-grid
288      - add flags for clipping ice velocities and/or masking solver forcing
289      - fix drag (ocean on ice) formulation and a bug that caused noise in the
290        C-grid solver
291      - added a few comments to seaice_diffusion.F
292      - separate C-grid and B-grid versions more cleanly (UVM and seaiceMaskU/V
293        are now exclusive)
294      - add a new ocean-ice stress coupling method (Hibler and Bryan, 1987) which
295        required re-ordering the code a little:
296       + make DAIRN global variable (defined in SEAICE)
297       + move computation of the viscosities eta and zeta into a new separate
298         routine (because I need to recompute them in seaice_ocean_stress.F)
299    
300    checkpoint58b_post
301    o AIM+thSIce: fix sign of Short-Wave through the Ice ;
302      update output.txt of exp. aim.5l_cs.thSI
303    o various mnc cleanups and improvements:
304      + shrink lookup tables by factor of ~4
305      + better error reporting when running out of lookup space
306      + able to handle longer path/file names (up to 500 chars)
307    o adjoint:
308      - Another overhaul of store dirs. for NLFS to eliminate  "hidden" recomputations.
309      - TBD: "hidden" mom_vecinv recomp. in dynamics
310  o change forcing_In_AB to affects both T,S forcing and Momentum forcing  o change forcing_In_AB to affects both T,S forcing and Momentum forcing
311   (allow to differentiate between forcing components using new integer flags:   (allow to differentiate between forcing components using new integer flags:
312    momForcingOutAB=1/0 & tracForcingOutAB=1/0)    momForcingOutAB=1/0 & tracForcingOutAB=1/0)

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