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revision 1.1484 by jmc, Mon Aug 1 20:47:39 2011 UTC revision 1.1543 by mmazloff, Tue Dec 6 04:19:24 2011 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/ecco
8      - added IES cost term
9    o verification/advect_xz
10      - scale down the depth by 1/100 (from 200 km to just 2.km)
11      - add secondary test using divergent flow, r-star and implicit vertical advection.
12    o pkg/rbcs:
13      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
14    o pkg/obcs (Stevens BCs):
15      - fix various problems in the phase speed computations of the Stevens
16        boundary conditions:
17        - sign error for western and southern boundaries,
18        - time tendencies were underestimated by factor of dTracerLev and some just
19          zero (for multidim advection schemes) -> now estimate time tendencies
20          from difference between previous (n) time level and the one before (n-1);
21          this requires storing a field per tracer per boundary, also in the pickup
22          files.
23        - replace deltaTmom in cflMer/Zon computation with dTracerLev
24        - set default phase velocity to cflMer/Zon
25      - update verification experiment exp4.stevens
26    o pkg/generic_advdiff (implicit_r):
27      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
28        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
29      - fix implicit vertical diffusion or advection with NonLin FreeSurf
30        (was using current recip_hFacC instead of future recip_hFacC): set future
31        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
32        solver S/R ;
33      - fill diagnostics of vertical advective fluxes (computed from tendency)
34        when using implicit vert. advection;
35      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
36         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
37         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
38         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
39    o pkg/diagnostics:
40      - add diags for T & S tendency which goes through Adams-Bashforth.
41    
42    checkpoint63f (2011/11/30)
43    o pkg/obcs/obcs_calc_stevens.F:
44      - join some loops to reduce number of if-statements
45      - fix a bug in code for northern and southern boundaries.
46    o pkg/seaice/seaice_init_varia.F
47      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
48        caused zero ice-velocities for the B-grid code
49    o pkg/seaice/seaice_init_fixed.F
50      - fix a bug in the initialisation of the second metric terms
51        k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
52      - this affects all seaice configurations with useCurviLinearGrid = .true.
53        and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
54        = .true. (default)
55      - the only verification experiment affected is global_ocean.cs32x15:
56        icedyn, seaice, and seaice_dynmix (AD)
57    o pkg/thsice/thsice_diagnostics_state.F
58      - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
59        not contain garbage that can lead to surprises in diagstats_calc.F
60    o model/src:
61      - move bi,bj loops inside INTEGR_CONTINUITY ;
62      - call INTEGR_CONTINUITY directly from forward_step.F
63        (previously called from momentum_correction_step.F)
64      - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
65        forward_step.F and pkg/ecco/the_main_loop.F
66    o model/src/do_oceanic_phys.F:
67      - reset addMass to zero only if useICEFRONT ;
68      - separated k-loop for rhoInSitu calculation ;
69      - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
70        and at constant T,S (= WdRHOdP);
71      NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
72        of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
73        transport of locally-referenced potential density);
74        to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
75    o gluemnc:
76      - replace ncrcat with ncks when adding variables to *.glob.nc
77      - change the way variables without record dimensions are handled so that
78        files that have variables with and without record variables can be glued:
79        add a record dimension with a new unique name to be able to differentiate
80        between variable with and without a-prior record dimensions. Remove
81        this record dimension before adding the variable to the *.glob.nc file.
82        This procedure automatically works also for grid.*.nc files that do not
83        have any record dimension.
84    o verification/cpl_aim+ocn:
85      - generate new reference output on baudelaire (gfortran, mpich2) (previously
86        from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
87    o pkg/obcs/obcs_calc_stevens.F:
88      - add code for northern and southern boundaries.
89      - reorder some loops to save some operations and so that drFBar can be scalar
90    o model/src:
91      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
92        truncation) and add diagnostics for Adams-Bashforth tendency increment.
93      - update test-exp. AD output:
94        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
95      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
96        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
97        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
98        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
99        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
100        tutorial_plume_on_slope.
101    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
102      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
103      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
104      does not even come with an F77 compiler anymore, this should not be
105      a limitation
106    
107    checkpoint63e (2011/11/06)
108    o pkg/seaice adjoint of LSR:
109      - substantially rework STORE dirs.
110      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
111        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
112        and only perform SOLV_MAX_FIXED adjoint iters.
113        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
114        always goes to same record, meaning that the last forward field will be
115        the one used in the adjoint - an approximation.
116      - now produces non-zero LSR-related gradients, and acceptable gradients for
117        An's zonal (x-z) test case (to be checked in)
118      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
119        (but these are screwed up by the thermodynamics in the first place);
120        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
121        output_adm.txt also reflects changes to seaice_lsr
122      - global_ocean.cs32x15:
123        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
124          (output_adm.seaice.txt was updated)
125        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
126          (output_adm.seaice_dynmix.txt)
127    o test-exp. exp4+stevens:
128      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
129    o pkg/seaice (lsr solver):
130      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
131        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
132      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
133      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
134        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
135      - compute (with new S/R) and print initial (+ free-driff sol. if available)
136        and final residual of linearised system.
137    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
138      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
139    o pkg/obcs: Stevens BCs (still only for east and west)
140      - fix Stevens BCs by using intermediate velocities of previous
141        time step as "baroclinic" contribution rather velocity of one grid cell
142        inside the boundaries; more consistent but makes the entire treatment
143        more complicated, requires new pickup files and two new S/Rs:
144        obcs_copy_uv_n and obcs_save_uv_n
145        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
146        (undefined by default)
147      - silently move computation of some grid factors into separate loops to
148        save some recomputations
149      - add a hack for non-linear free surface
150      - add a verification experiment to exp4 that tests this code
151    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
152    
153    checkpoint63d (2011/10/25)
154    o pkg/obcs + seaice-dynamics:
155      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
156        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
157        values (consistent with an implicit method).
158      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
159        return to older implementation (same results as before); note that none of
160        the "experimental" OBCS_SEAICE options are implemented in the new version.
161      - switch test exp. seaice_obcs to use new version (update output).
162    o pkg/seaice:
163      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
164      - add parenthesis in Water-Ice drag calculations (evp & lsr);
165      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
166        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
167      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
168        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
169    o pkg/layers:
170      - Include potential density as new coordinate (Thanks to David Munday)
171    o pkg/dic:
172      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
173        carbonate computation/output to CALC_PCO2_APPROX
174    o pkg/generic_advdiff
175      - make TAF generate code that vectorizes:
176        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
177    o model/src:
178      - improve vectorization also for adjoint code of
179        solve_tridiagonal and solve_pentadiagonal. As this requires up to
180        5 new 3D-fields, this code is only turned on for the combination of
181        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
182        for singular matrix check (only for TARGET_NEC_SX).
183      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
184        ALLOW_AUTODIFF. This flag now needs to be set outside of
185        solve_tri/pentadiagonal.F
186    o pkg/exf:
187      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
188        optional namelist EXF_NML_OBCS).
189      - add many debug-print (to trace down where pkg/cal error msg comes from)
190    o pkg/mom_vecinv/mom_vi_hdissip.F
191      - rearrange loops so that vectorization is improved and in particular
192        the adjoint routine vectorizes. The code is a little longer now, but I
193        think easier to read.
194        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
195    o pkg/seaice:
196      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
197    o pkg/exch2:
198      - alternative code (without tile x tile matrix) for cumulated (global) sum;
199        used as default; keep using matrix version in adjustment.cs-32x32x1.
200    o tools/build_options:
201      - after merging some MPI and/or multi-threads specific optfiles so that
202        the modified default optfile support both built (using genmake2 -mpi
203        for the MPI built, using genmake2 -omp for OpenMP built),
204        move now obsolete optfiles to tools/build_options/unsupported/
205       (add copy of email sent to support list in doc/optfiles_changes.txt)
206    
207    checkpoint63c (2011/09/28)
208    o pkg/ebm:
209      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
210        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
211    o pkg/seaice (SItracer pickup)
212    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
213      To be done:
214      - thorough testing of missing fields in S/R seaice_read_pickup
215      - thorough matching between generic tracers and specific fields used
216        (e.g. volume-weighted age, area-weighted age, salinity, ...)
217    o pkg/grdchk:
218      - all procs calculate and print finite-difference gradient (for testreport)
219      - change description output used by testreport;
220      - AD testing: also compare and report Finite-difference gradient;
221        => update all output_adm*.txt
222    o test exp. global_ocean_ebm:
223      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
224        and turn on exactConserve; update (fwd) output.
225    o pkg/seaice (LSR):
226      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
227      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
228        * identical results with non-CS topology (but save up to half of EXCH calls)
229        * no much changes in cs-32 verification tests since no ice at face edges
230         (differences due to convergence criteria, since nb of iterations changed)
231        * expect some differences on lat-lon-cap grid.
232        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
233    o pkg/exch2:
234      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
235        many tiles); until alternative coding is added, just add a stop.
236    o pkg/kpp:
237      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
238        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
239    o optfiles:
240      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
241        into corresponding standard one, which now support different build:
242        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
243      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
244    o pkg/obcs (seaice):
245      - add missing EXCH for uIce,vIce after applying OBCS;
246      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
247        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
248        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
249      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
250      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
251        and eedata.mth for MPI and mutlti-threaded testing.
252    o pkg/flt:
253      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
254      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
255      - fix pickup and trajectories + profiles output with multi-threads;
256      - add parameter to select group of fields to write along trajectory and
257        profile (default unchanged);
258      - only call PORT_RAND* function when flt_noise <> 0;
259      - add multi-threaded test for verification exp. flt_example.
260    o eesupp/src:
261      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
262      - USE_OMP_THREADING: check that number of threads (from eedata) matches
263        actual number (from env.var. setting).
264    o pkg/ebm:
265      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
266      - add multi-threaded test for verification exp. global_ocean_ebm
267    
268    checkpoint63b (2011/08/29)
269    o pkg/ebm:
270      - fix sign of runoff;
271      - update directly forcing fields (Qnet,EmPmR) to use standard
272        external_forcing_surf.F (remove ebm_forcing_surf.F);
273      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
274      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
275        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
276      - update global_ocean_ebm parameters file data and update output (fwd+ad).
277    o verification/matrix_example:
278      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
279        MPI and mutlti-threaded testing.
280    o pkg/matrix:
281      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
282      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
283      - fix for multi-threaded (remove DATA statement);
284      - use standard DIFFERENT_MULTIPLE function;
285      - add MATRIX_OPTIONS.h
286    o verification/matrix_example:
287       To allow to split the domain in several tiles, change the domain size
288        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
289        Western side) of land points.
290    o (*_)write_pickup:
291      - fix few bugs in mypackage_read/write_pickup.F
292      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
293        array of length 1 (was caught by compiler syntax-check).
294    o pkg/diagnostics (velocity potential solver):
295      - fix initialisation of main diagonal matrix (for overlap values)
296    o tools/build_options:
297      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
298        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
299      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
300        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
301        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
302        and use "-devel" testreport option for standard testing on baudelaire.
303    o pkg/grdchk:
304      - Assume that all gradient-check position are within the same tile
305        corresponding to global indices (iGloTile,jGloTile) and that
306        positions (i,j indices or nbeg) are local to this tile;
307      - set tile local-indices and proc. number according to tile global-indices;
308      - remove grdchkwhichproc from namelist (retired param);
309      - send adjoint gradient to all procs so that all procs print it to STDOUT;
310      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
311    o adding package bbl (Bottom Boundary Layer)
312      description in MITgcm/pkg/bbl/bbl_description.tex
313      example/test experiment in MITgcm_contrib/bbl
314    o adjoint verifications
315      - changed 5 experiments to multi-tiles
316        * global_ocean.90x40x15
317        * obcs_ctrl
318        * offline_exf_seaice
319        * tutorial_dic_adjoffline
320        * tutorial_tracer_adjsens
321        changed reference output for those that crossed tile boundaries
322        (changed choices of gradient check positions)
323      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
324      - temporary bug fix in grdchk_loc.F for obcs
325    o genmake2 & testreport
326      - add target "obj" (just for OBJFILES files) to Makefile;
327      - add option to specify FEXTRAFLAGS on command line.
328    o pkg/mypackage:
329      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
330    
331    checkpoint63a (2011/08/02)
332  o pkg/diagnostics (velocity potential):  o pkg/diagnostics (velocity potential):
333    - fix velocity-potential calculation when using OBCS: balance net inflow    - fix velocity-potential calculation when using OBCS: balance net inflow
334      at each level (new S/R OBCS_DIAG_BALANCE).      at each level (new S/R OBCS_DIAG_BALANCE).
# Line 54  o pkg/gmredi: Line 379  o pkg/gmredi:
379     Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),     Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
380     and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)     and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
381    
382  checkpoint63 (2011/07/11)  checkpoint63  (2011/07/11)
383  o pkg/exch2:  o pkg/exch2:
384   - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h   - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
385   - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the   - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the

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