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revision 1.1469 by ifenty, Wed Jun 29 21:44:26 2011 UTC revision 1.1537 by mlosch, Tue Nov 29 10:56:03 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/obcs/obcs_calc_stevens.F:
8      - fix a bug in code for northern and southern boundaries.
9    o pkg/seaice/seaice_init_varia.F
10      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
11        caused zero ice-velocities for the B-grid code
12    o pkg/seaice/seaice_init_fixed.F
13      - fix a bug in the initialisation of the second metric terms
14        k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
15      - this affects all seaice configurations with useCurviLinearGrid = .true.
16        and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
17        = .true. (default)
18      - the only verification experiment affected is global_ocean.cs32x15:
19        icedyn, seaice, and seaice_dynmix (AD)
20    o pkg/thsice/thsice_diagnostics_state.F
21      - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
22        not contain garbage that can lead to surprises in diagstats_calc.F
23    o model/src:
24      - move bi,bj loops inside INTEGR_CONTINUITY ;
25      - call INTEGR_CONTINUITY directly from forward_step.F
26        (previously called from momentum_correction_step.F)
27      - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
28        forward_step.F and pkg/ecco/the_main_loop.F
29    o model/src/do_oceanic_phys.F:
30      - reset addMass to zero only if useICEFRONT ;
31      - separated k-loop for rhoInSitu calculation ;
32      - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
33        and at constant T,S (= WdRHOdP);
34      NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
35        of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
36        transport of locally-referenced potential density);
37        to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
38    o gluemnc:
39      - replace ncrcat with ncks when adding variables to *.glob.nc
40      - change the way variables without record dimensions are handled so that
41        files that have variables with and without record variables can be glued:
42        add a record dimension with a new unique name to be able to differentiate
43        between variable with and without a-prior record dimensions. Remove
44        this record dimension before adding the variable to the *.glob.nc file.
45        This procedure automatically works also for grid.*.nc files that do not
46        have any record dimension.
47    o verification/cpl_aim+ocn:
48      - generate new reference output on baudelaire (gfortran, mpich2) (previously
49        from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
50    o pkg/obcs/obcs_calc_stevens.F:
51      - add code for northern and southern boundaries.
52      - reorder some loops to save some operations and so that drFBar can be scalar
53    o model/src:
54      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
55        truncation) and add diagnostics for Adams-Bashforth tendency increment.
56      - update test-exp. AD output:
57        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
58      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
59        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
60        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
61        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
62        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
63        tutorial_plume_on_slope.
64    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
65      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
66      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
67      does not even come with an F77 compiler anymore, this should not be
68      a limitation
69    
70    checkpoint63e (2011/11/06)
71    o pkg/seaice adjoint of LSR:
72      - substantially rework STORE dirs.
73      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
74        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
75        and only perform SOLV_MAX_FIXED adjoint iters.
76        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
77        always goes to same record, meaning that the last forward field will be
78        the one used in the adjoint - an approximation.
79      - now produces non-zero LSR-related gradients, and acceptable gradients for
80        An's zonal (x-z) test case (to be checked in)
81      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
82        (but these are screwed up by the thermodynamics in the first place);
83        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
84        output_adm.txt also reflects changes to seaice_lsr
85      - global_ocean.cs32x15:
86        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
87          (output_adm.seaice.txt was updated)
88        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
89          (output_adm.seaice_dynmix.txt)
90    o test-exp. exp4+stevens:
91      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
92    o pkg/seaice (lsr solver):
93      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
94        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
95      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
96      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
97        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
98      - compute (with new S/R) and print initial (+ free-driff sol. if available)
99        and final residual of linearised system.
100    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
101      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
102    o pkg/obcs: Stevens BCs (still only for east and west)
103      - fix Stevens BCs by using intermediate velocities of previous
104        time step as "baroclinic" contribution rather velocity of one grid cell
105        inside the boundaries; more consistent but makes the entire treatment
106        more complicated, requires new pickup files and two new S/Rs:
107        obcs_copy_uv_n and obcs_save_uv_n
108        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
109        (undefined by default)
110      - silently move computation of some grid factors into separate loops to
111        save some recomputations
112      - add a hack for non-linear free surface
113      - add a verification experiment to exp4 that tests this code
114    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
115    
116    checkpoint63d (2011/10/25)
117    o pkg/obcs + seaice-dynamics:
118      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
119        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
120        values (consistent with an implicit method).
121      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
122        return to older implementation (same results as before); note that none of
123        the "experimental" OBCS_SEAICE options are implemented in the new version.
124      - switch test exp. seaice_obcs to use new version (update output).
125    o pkg/seaice:
126      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
127      - add parenthesis in Water-Ice drag calculations (evp & lsr);
128      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
129        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
130      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
131        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
132    o pkg/layers:
133      - Include potential density as new coordinate (Thanks to David Munday)
134    o pkg/dic:
135      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
136        carbonate computation/output to CALC_PCO2_APPROX
137    o pkg/generic_advdiff
138      - make TAF generate code that vectorizes:
139        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
140    o model/src:
141      - improve vectorization also for adjoint code of
142        solve_tridiagonal and solve_pentadiagonal. As this requires up to
143        5 new 3D-fields, this code is only turned on for the combination of
144        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
145        for singular matrix check (only for TARGET_NEC_SX).
146      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
147        ALLOW_AUTODIFF. This flag now needs to be set outside of
148        solve_tri/pentadiagonal.F
149    o pkg/exf:
150      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
151        optional namelist EXF_NML_OBCS).
152      - add many debug-print (to trace down where pkg/cal error msg comes from)
153    o pkg/mom_vecinv/mom_vi_hdissip.F
154      - rearrange loops so that vectorization is improved and in particular
155        the adjoint routine vectorizes. The code is a little longer now, but I
156        think easier to read.
157        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
158    o pkg/seaice:
159      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
160    o pkg/exch2:
161      - alternative code (without tile x tile matrix) for cumulated (global) sum;
162        used as default; keep using matrix version in adjustment.cs-32x32x1.
163    o tools/build_options:
164      - after merging some MPI and/or multi-threads specific optfiles so that
165        the modified default optfile support both built (using genmake2 -mpi
166        for the MPI built, using genmake2 -omp for OpenMP built),
167        move now obsolete optfiles to tools/build_options/unsupported/
168       (add copy of email sent to support list in doc/optfiles_changes.txt)
169    
170    checkpoint63c (2011/09/28)
171    o pkg/ebm:
172      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
173        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
174    o pkg/seaice (SItracer pickup)
175    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
176      To be done:
177      - thorough testing of missing fields in S/R seaice_read_pickup
178      - thorough matching between generic tracers and specific fields used
179        (e.g. volume-weighted age, area-weighted age, salinity, ...)
180    o pkg/grdchk:
181      - all procs calculate and print finite-difference gradient (for testreport)
182      - change description output used by testreport;
183      - AD testing: also compare and report Finite-difference gradient;
184        => update all output_adm*.txt
185    o test exp. global_ocean_ebm:
186      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
187        and turn on exactConserve; update (fwd) output.
188    o pkg/seaice (LSR):
189      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
190      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
191        * identical results with non-CS topology (but save up to half of EXCH calls)
192        * no much changes in cs-32 verification tests since no ice at face edges
193         (differences due to convergence criteria, since nb of iterations changed)
194        * expect some differences on lat-lon-cap grid.
195        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
196    o pkg/exch2:
197      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
198        many tiles); until alternative coding is added, just add a stop.
199    o pkg/kpp:
200      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
201        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
202    o optfiles:
203      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
204        into corresponding standard one, which now support different build:
205        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
206      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
207    o pkg/obcs (seaice):
208      - add missing EXCH for uIce,vIce after applying OBCS;
209      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
210        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
211        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
212      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
213      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
214        and eedata.mth for MPI and mutlti-threaded testing.
215    o pkg/flt:
216      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
217      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
218      - fix pickup and trajectories + profiles output with multi-threads;
219      - add parameter to select group of fields to write along trajectory and
220        profile (default unchanged);
221      - only call PORT_RAND* function when flt_noise <> 0;
222      - add multi-threaded test for verification exp. flt_example.
223    o eesupp/src:
224      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
225      - USE_OMP_THREADING: check that number of threads (from eedata) matches
226        actual number (from env.var. setting).
227    o pkg/ebm:
228      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
229      - add multi-threaded test for verification exp. global_ocean_ebm
230    
231    checkpoint63b (2011/08/29)
232    o pkg/ebm:
233      - fix sign of runoff;
234      - update directly forcing fields (Qnet,EmPmR) to use standard
235        external_forcing_surf.F (remove ebm_forcing_surf.F);
236      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
237      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
238        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
239      - update global_ocean_ebm parameters file data and update output (fwd+ad).
240    o verification/matrix_example:
241      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
242        MPI and mutlti-threaded testing.
243    o pkg/matrix:
244      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
245      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
246      - fix for multi-threaded (remove DATA statement);
247      - use standard DIFFERENT_MULTIPLE function;
248      - add MATRIX_OPTIONS.h
249    o verification/matrix_example:
250       To allow to split the domain in several tiles, change the domain size
251        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
252        Western side) of land points.
253    o (*_)write_pickup:
254      - fix few bugs in mypackage_read/write_pickup.F
255      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
256        array of length 1 (was caught by compiler syntax-check).
257    o pkg/diagnostics (velocity potential solver):
258      - fix initialisation of main diagonal matrix (for overlap values)
259    o tools/build_options:
260      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
261        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
262      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
263        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
264        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
265        and use "-devel" testreport option for standard testing on baudelaire.
266    o pkg/grdchk:
267      - Assume that all gradient-check position are within the same tile
268        corresponding to global indices (iGloTile,jGloTile) and that
269        positions (i,j indices or nbeg) are local to this tile;
270      - set tile local-indices and proc. number according to tile global-indices;
271      - remove grdchkwhichproc from namelist (retired param);
272      - send adjoint gradient to all procs so that all procs print it to STDOUT;
273      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
274    o adding package bbl (Bottom Boundary Layer)
275      description in MITgcm/pkg/bbl/bbl_description.tex
276      example/test experiment in MITgcm_contrib/bbl
277    o adjoint verifications
278      - changed 5 experiments to multi-tiles
279        * global_ocean.90x40x15
280        * obcs_ctrl
281        * offline_exf_seaice
282        * tutorial_dic_adjoffline
283        * tutorial_tracer_adjsens
284        changed reference output for those that crossed tile boundaries
285        (changed choices of gradient check positions)
286      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
287      - temporary bug fix in grdchk_loc.F for obcs
288    o genmake2 & testreport
289      - add target "obj" (just for OBJFILES files) to Makefile;
290      - add option to specify FEXTRAFLAGS on command line.
291    o pkg/mypackage:
292      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
293    
294    checkpoint63a (2011/08/02)
295    o pkg/diagnostics (velocity potential):
296      - fix velocity-potential calculation when using OBCS: balance net inflow
297        at each level (new S/R OBCS_DIAG_BALANCE).
298      - fix some of the problems with OBCS in stream-function calculation.
299    o pkg/exf/exf_readparms.F
300      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
301        EXF_NML_OBCS) more consistent, so that you need not have these lists
302        in data.exf when they are not used.
303    o optim/optim_readdata.F:
304      - add some output about obcs variables that might help debugging
305      - add a check about nvarlength
306    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
307    o pkg/diagnostics (velocity potential):
308      - fix mask for OBCS (still problems in stream-function with OBCS);
309      - add specific parameter (default = main code CG2D params) for solver;
310      - in case of poor convergence, use solution corresponding to lowest residual.
311    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
312      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
313      and should be avoided where possible.
314    o model/src (rStar):
315      - include r* effect on reference-state (PhiRef) in totPhiHyd
316        (so that it's really the potential anomaly at the cell center);
317        affect solution only if z* with full pressure in EOS.
318      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
319        update output (because of z* in totPhiHyd and viscA4 changes);
320      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
321        @ constant r) until interpolation at constant r is implemented.
322    o pkg/diagnostics
323      - fix RCENTER diagnostics in case cell center is not at interface middle
324    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
325      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
326      that THETA and SALT are "conservative temperature" and "absolute
327      salinity"
328    o pkg/ctrl
329      - fix computation of endrec in s/r ctrl_init_rec
330      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
331    o pkg/seaice/seaice_growth.F
332      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
333        remove then obsolete STORE directives
334      - fix STORE directives for tice and tices, so that only the
335        appropriate part of the fields are stored (and not the entire
336        field); update global_ocean.cs32x15.seaice AD output.
337      - cosmetic changes: adjust CPP flags and indentation for better
338        legibilty
339    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
340      Chris Wilson)
341    o pkg/gmredi:
342       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
343       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
344    
345    checkpoint63  (2011/07/11)
346    o pkg/exch2:
347     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
348     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
349       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
350       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
351    o pkg/diagnostics:
352     - deal with pairs of post-processed diags which are computed together; in
353       particular, re-order list of diags within 1 file to save 2nd computation.
354     - add S/R to compute velocity stream-function (called after velocity-potential
355       calculation) from divergence free transport -> new diagnostics "PsiVEL".
356     - add parameter to select grid-point location where PsiVEL == 0.
357    o eesupp/src:
358       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
359       (specific S/R needed with exch2 topology - for now, just print an error msg)
360  o pkg/shelfice  o pkg/shelfice
361   - Implement friction velocity-dependent transfer coefficients following   - Implement friction velocity-dependent transfer coefficients following
362     Holland and Jenkins, JPO, 1999     Holland and Jenkins, JPO, 1999
# Line 27  o pkg/seaice/seaice_growth.F: Line 380  o pkg/seaice/seaice_growth.F:
380      when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the      when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
381      non-legacy seaice_solve4temp.      non-legacy seaice_solve4temp.
382    - add diagnostic of the residual sublimation freshwater flux (the freshwater    - add diagnostic of the residual sublimation freshwater flux (the freshwater
383      flux taken from the ocean if the total actual latent heat fluxes exceed      flux taken from the ocean if the total actual latent heat fluxes exceed
384      the maximum)      the maximum)
385    - remove the CPP switch around the *_FWbySublim unit change and move diagnostic    - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
386     fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.     fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.

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