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revision 1.1258 by mlosch, Wed Apr 28 08:37:41 2010 UTC revision 1.1580 by mlosch, Mon Jan 23 14:16:56 2012 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:
8      - add factorized versions of some EOS code to find_rho.F,
9        define USE_FACTORIZED_EOS to turn it on (default for TARGET_NEC_SX)
10      - add celsius2K to namelist PARM01; remove unused recip_rhoNil from PARAMS.h;
11      - change default celsius2K from 273.16 to 273.15
12      - to keep results unchanged, add back old value of celsius2K in verification
13        exp. input*/data : aim.5l_cs, 1D_ocean_ice_column, lab_sea (fwd) &
14         global_ocean.cs32x15(seaice).
15    o model/src: add a little initialisation trick to find_rho.F and find_alpha.F
16      to make TAF generate vectorizable code
17    o pkg/seaice/seaice_evp.F: add code (copied from CICE) that avoids underflows.
18       Turn on by defining SEAICE_EVP_ELIMINATE_UNDERFLOWS. Most compilers
19       have flags that do this more efficiently.
20    o pkg/diagnostics/diagstats_calc.F
21      - for TARGET_NEC_SX fix the treatment of the scaling factor tmpFac=scaleFact
22    o pkg/obcs (with exch2):
23      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
24        and remove code (in obcs_readparms.F) which was based on EXCH of indices
25        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
26    o pkg/exf and seaice exp:
27      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
28        so that switching off area & heff advection flags does not affect results.
29      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
30      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
31        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
32        results of verification experiments: 1D_ocean_ice_column(fwd),
33        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
34        and offline_exf_seaice (all 4).
35    o pkg/seaice:
36      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
37        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
38      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
39        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
40        not multi-dim advection;
41      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
42        SHORTWAVE_HEATING #undef.
43    o optim: make Makefile more robust (?)
44    o pkg/obcs:
45      * fix treatment of obcs_read_pickup for TAF
46    o pkg/shelfice:
47      * add missing initialisation of num_shifwflx
48      * new adjoint verification exp. for isomip
49      * change Prandtl and Schmidt numbers from generic formulations
50        (in terms of model diffus. and visc.) to separate runtime
51        parameters, with Holland and Jenkins (1999) default values.
52    o pkg/exf (interpolation):
53      - extended input field (2 rows) near the N & S poles:
54        * fill in with the symetric value (when even Nb of data in longitude)
55        * add average value at the poles only for scalar quantities ; for vector
56          component interpolation, skip the averaging and keep duplicated values,
57          unless the 2 components have same location (uvInterp=T) in which case
58          interpolate the 2 components together using S/R EXF_INTERP_UV.
59      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
60        together: this allows to account properly for local orientation when
61        averaging at N & S pole.
62      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
63        exf-interpolation near N & S poles. Undef by default.
64      - add debug check/print on 1rst iter if debugLevel >=2.
65    o pkg/exf:
66      - change masking flags definition (no longer "parameter"), put them in
67        common block and set them in S/R EXF_INIT_FIXED.
68      - change recognized masking flag from s,u,v to c,w,s since the mask
69        to use (maskC,W,S) depends on position on model grid and has little to
70        do with scalar/vector difference; fix masking if using P-coordinates.
71      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
72        and update results of exp. global_with_exf (x2).
73      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
74    o pkg/obcs
75      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
76    o pkg/exf (interpolation):
77      - assume periodicity in X only if input field cover full longitude range.
78      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
79        and should vectorise).
80      - fix input lat of the 2 added row (in case we provide N.pole data).
81    
82    checkpoint63h (2011/12/30)
83    o pkg/seaice:
84      - change declaration of UVM from _RL to _RS in order to get B-grid
85        uIce,vIce monitor when _RS = real*4
86    o pkg/offline:
87      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
88      - compute vertical velocity if not read from file (switch on exactConserv
89        & staggerTimeStep);
90      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
91    o verification:
92      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
93        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
94        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
95      - update output of exp. global_ocean.cs32x15.viscA4 after changing
96        grid-file angles (used here for coriolis-3d);
97      - remove (or gzip) few files not needed to run fizhi-cs experiments.
98    o pkg/exf (vector interpolation):
99      - rotate vector component toward local grid-axis orientation using grid-angles
100        (stored in GRID.h) instead of locally computed rotation angle; keep old code
101        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
102    o pkg/seaice:
103      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
104        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
105    o pkg/PKG_OPTIONS.h files:
106      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
107        outside of the #ifdef ALLOW_THISPKG / #endif block.
108      - update verification/*/code/PKG_OPTIONS.h files.
109    o add a verification experiment (offline_exf_seaice/input.seaice) that test
110      the B-grid LSOR solver
111    o pkg/seaice: sort out emissivity and long wave radiation step 2:
112      - add emissivity for snow and ice as new run-time parameters
113        (unfortunately) that default to the corresponding exf values; this
114        changes results in most verification experiments so that for backward
115        compatibility these parameter have to be set explicitly to inconsistent
116        values (ugly);
117      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
118        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
119        until we agree how to handle this bug properly
120    o pkg/exf (interpolation):
121      - add a set of run-time param ({inputfield}_interpMethod), one for
122        each interpolated input field, to select the interpolation method
123        with a value of zero switching off the interpolation;
124      - print interpolation parameters to standard output;
125      - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
126        (to use instead runoff_interpMethod=0 in data.exf).
127      - simplify default setting of interpolation parameters (for all fields,
128        set position to match model grid cell-center position, leading to trivial
129        interpolation in case of regular Lat-Lon grid) and fix for the case of
130        non-uniform delY.
131    o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
132       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
133       this factor is absolutely required, because the lw exitance (= out-going
134       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
135       where the reflectivity rho = 1-emissivity for conservation reasons. Once
136       this is established, we can remove the CPP-Flag (if we want to).
137    o pkg/seaice:
138      - qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and
139        ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined
140      - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
141        what the name implies (and not emissivity*BoltzmannConstant), this means
142        the old default value of 5.5e-8 now means
143        5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
144        S/R exf_readparms
145      - FV-discretization of the B-grid LSOR solver, turn on with
146        SEAICE_LSRBNEW. This new solver also involves a slight re-organization
147        of the calling routine dynsolver, so that B and C-grid code look a
148        little more alike.
149      - fix index bugs in ostres.F (B-grid code)
150    o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
151    o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
152      default for SEAICE_emissivity, if useEXF; requires setting a wrong
153      parameter value in global_ocean.cs32x15/input.seaice/data.seaice for
154      backward compatiblity
155    o model/src: use sigmaR in calc_ivdc
156    
157    checkpoint63g (2011/12/16)
158    o pkg/seaice/seaice_growth.F:
159      fix heat conservation of the coupled ocean-seaice system.
160      when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of
161      solid vs liquid water treatment is resolved via QNET.
162    o pkg/seaice/seaice_growth.F:
163      add missing term for sublimation in saltFlux, which was breaking conservation.
164    o pkg/seaice/seaice_model.F:
165      Remove this patholigical case treatment in evolution branch,
166      where it is un-necessary and breaks conservation.
167      Update global_ocean.cs32x15/results accordingly for
168      output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt
169    o model/src:
170      useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
171      external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
172    o pkg/obcs:
173      modify Stevens boundary conditions so that S/R obcs_calc_stevens computes
174      tendency for temperature and salinity that is then applied to update
175      theta and salt in S/R obcs_apply_ts; this requires proper masking of all
176      horizontal advection and diffusion contributions on the boundary (in
177      S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and
178      removing the mask in S/R timestep_tracer. The advantage of this approach is
179      that the updated tracer values include contributions from the surface
180      forcing and vertical diffusion.
181      This modification changes exp4.stevens because of vertical diffusion.
182    o model/src:
183      change non-curvilinear grid setting to also work with exch2 + blank tiles:
184      - move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst
185        face dimensions.
186      - new S/R INI_LOCAL_GRID to define model tile-local grid (using same units
187        as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID
188        and INI_SPHERICAL_POLAR_GRID.
189      change test-experiment global_ocean.90x40x15:
190      - split the domain in many more tiles (9x4 tiles of 10x10 each);
191      - switch to exch2 and remove 1 blank-tile (but only for MPI test).
192      - update results of both test (std & dwnslp).
193    o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in
194       tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation
195    o model/src:
196      - take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS
197        and fix initialisation when using sigma-coords.
198    o model/src:
199     - improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc.
200       to their current value at the beginning of forward_step.F": add a new run-time
201       switch "doResetHFactors" (default=false) and use it to do (or not) the resetting.
202     - set doResetHFactors=T in the following test exp:
203        global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS),
204        global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS)
205        and tutorial_global_oce_in_p (nonLinFS in p)
206    o pkg/ecco
207      - added IES cost term
208    o verification/advect_xz
209      - scale down the depth by 1/100 (from 200 km to just 2.km)
210      - add secondary test using divergent flow, r-star and implicit vertical advection.
211      - add note (check_conserve_TS.txt) and matlab script to check global
212        conservation of T & S with NonLin-FreeSurf and Adams-Bashforth.
213    o pkg/rbcs:
214      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
215    o pkg/obcs (Stevens BCs):
216      - fix various problems in the phase speed computations of the Stevens
217        boundary conditions:
218        - sign error for western and southern boundaries,
219        - time tendencies were underestimated by factor of dTracerLev and some just
220          zero (for multidim advection schemes) -> now estimate time tendencies
221          from difference between previous (n) time level and the one before (n-1);
222          this requires storing a field per tracer per boundary, also in the pickup
223          files.
224        - replace deltaTmom in cflMer/Zon computation with dTracerLev
225        - set default phase velocity to cflMer/Zon
226      - update verification experiment exp4.stevens
227    o pkg/generic_advdiff (implicit_r):
228      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
229        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
230      - fix implicit vertical diffusion or advection with NonLin FreeSurf
231        (was using current recip_hFacC instead of future recip_hFacC): set future
232        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
233        solver S/R ;
234      - fill diagnostics of vertical advective fluxes (computed from tendency)
235        when using implicit vert. advection;
236      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
237         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
238         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
239         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
240    o pkg/diagnostics:
241      - add diags for T & S tendency which goes through Adams-Bashforth.
242    
243    checkpoint63f (2011/11/30)
244    o pkg/obcs/obcs_calc_stevens.F:
245      - join some loops to reduce number of if-statements
246      - fix a bug in code for northern and southern boundaries.
247    o pkg/seaice/seaice_init_varia.F
248      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
249        caused zero ice-velocities for the B-grid code
250    o pkg/seaice/seaice_init_fixed.F
251      - fix a bug in the initialisation of the second metric terms
252        k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
253      - this affects all seaice configurations with useCurviLinearGrid = .true.
254        and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
255        = .true. (default)
256      - the only verification experiment affected is global_ocean.cs32x15:
257        icedyn, seaice, and seaice_dynmix (AD)
258    o pkg/thsice/thsice_diagnostics_state.F
259      - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
260        not contain garbage that can lead to surprises in diagstats_calc.F
261    o model/src:
262      - move bi,bj loops inside INTEGR_CONTINUITY ;
263      - call INTEGR_CONTINUITY directly from forward_step.F
264        (previously called from momentum_correction_step.F)
265      - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
266        forward_step.F and pkg/ecco/the_main_loop.F
267    o model/src/do_oceanic_phys.F:
268      - reset addMass to zero only if useICEFRONT ;
269      - separated k-loop for rhoInSitu calculation ;
270      - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
271        and at constant T,S (= WdRHOdP);
272      NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
273        of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
274        transport of locally-referenced potential density);
275        to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
276    o gluemnc:
277      - replace ncrcat with ncks when adding variables to *.glob.nc
278      - change the way variables without record dimensions are handled so that
279        files that have variables with and without record variables can be glued:
280        add a record dimension with a new unique name to be able to differentiate
281        between variable with and without a-prior record dimensions. Remove
282        this record dimension before adding the variable to the *.glob.nc file.
283        This procedure automatically works also for grid.*.nc files that do not
284        have any record dimension.
285    o verification/cpl_aim+ocn:
286      - generate new reference output on baudelaire (gfortran, mpich2) (previously
287        from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
288    o pkg/obcs/obcs_calc_stevens.F:
289      - add code for northern and southern boundaries.
290      - reorder some loops to save some operations and so that drFBar can be scalar
291    o model/src:
292      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
293        truncation) and add diagnostics for Adams-Bashforth tendency increment.
294      - update test-exp. AD output:
295        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
296      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
297        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
298        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
299        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
300        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
301        tutorial_plume_on_slope.
302    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
303      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
304      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
305      does not even come with an F77 compiler anymore, this should not be
306      a limitation
307    
308    checkpoint63e (2011/11/06)
309    o pkg/seaice adjoint of LSR:
310      - substantially rework STORE dirs.
311      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
312        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
313        and only perform SOLV_MAX_FIXED adjoint iters.
314        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
315        always goes to same record, meaning that the last forward field will be
316        the one used in the adjoint - an approximation.
317      - now produces non-zero LSR-related gradients, and acceptable gradients for
318        An's zonal (x-z) test case (to be checked in)
319      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
320        (but these are screwed up by the thermodynamics in the first place);
321        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
322        output_adm.txt also reflects changes to seaice_lsr
323      - global_ocean.cs32x15:
324        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
325          (output_adm.seaice.txt was updated)
326        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
327          (output_adm.seaice_dynmix.txt)
328    o test-exp. exp4+stevens:
329      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
330    o pkg/seaice (lsr solver):
331      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
332        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
333      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
334      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
335        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
336      - compute (with new S/R) and print initial (+ free-driff sol. if available)
337        and final residual of linearised system.
338    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
339      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
340    o pkg/obcs: Stevens BCs (still only for east and west)
341      - fix Stevens BCs by using intermediate velocities of previous
342        time step as "baroclinic" contribution rather velocity of one grid cell
343        inside the boundaries; more consistent but makes the entire treatment
344        more complicated, requires new pickup files and two new S/Rs:
345        obcs_copy_uv_n and obcs_save_uv_n
346        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
347        (undefined by default)
348      - silently move computation of some grid factors into separate loops to
349        save some recomputations
350      - add a hack for non-linear free surface
351      - add a verification experiment to exp4 that tests this code
352    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
353    
354    checkpoint63d (2011/10/25)
355    o pkg/obcs + seaice-dynamics:
356      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
357        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
358        values (consistent with an implicit method).
359      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
360        return to older implementation (same results as before); note that none of
361        the "experimental" OBCS_SEAICE options are implemented in the new version.
362      - switch test exp. seaice_obcs to use new version (update output).
363    o pkg/seaice:
364      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
365      - add parenthesis in Water-Ice drag calculations (evp & lsr);
366      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
367        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
368      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
369        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
370    o pkg/layers:
371      - Include potential density as new coordinate (Thanks to David Munday)
372    o pkg/dic:
373      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
374        carbonate computation/output to CALC_PCO2_APPROX
375    o pkg/generic_advdiff
376      - make TAF generate code that vectorizes:
377        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
378    o model/src:
379      - improve vectorization also for adjoint code of
380        solve_tridiagonal and solve_pentadiagonal. As this requires up to
381        5 new 3D-fields, this code is only turned on for the combination of
382        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
383        for singular matrix check (only for TARGET_NEC_SX).
384      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
385        ALLOW_AUTODIFF. This flag now needs to be set outside of
386        solve_tri/pentadiagonal.F
387    o pkg/exf:
388      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
389        optional namelist EXF_NML_OBCS).
390      - add many debug-print (to trace down where pkg/cal error msg comes from)
391    o pkg/mom_vecinv/mom_vi_hdissip.F
392      - rearrange loops so that vectorization is improved and in particular
393        the adjoint routine vectorizes. The code is a little longer now, but I
394        think easier to read.
395        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
396    o pkg/seaice:
397      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
398    o pkg/exch2:
399      - alternative code (without tile x tile matrix) for cumulated (global) sum;
400        used as default; keep using matrix version in adjustment.cs-32x32x1.
401    o tools/build_options:
402      - after merging some MPI and/or multi-threads specific optfiles so that
403        the modified default optfile support both built (using genmake2 -mpi
404        for the MPI built, using genmake2 -omp for OpenMP built),
405        move now obsolete optfiles to tools/build_options/unsupported/
406       (add copy of email sent to support list in doc/optfiles_changes.txt)
407    
408    checkpoint63c (2011/09/28)
409    o pkg/ebm:
410      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
411        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
412    o pkg/seaice (SItracer pickup)
413    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
414      To be done:
415      - thorough testing of missing fields in S/R seaice_read_pickup
416      - thorough matching between generic tracers and specific fields used
417        (e.g. volume-weighted age, area-weighted age, salinity, ...)
418    o pkg/grdchk:
419      - all procs calculate and print finite-difference gradient (for testreport)
420      - change description output used by testreport;
421      - AD testing: also compare and report Finite-difference gradient;
422        => update all output_adm*.txt
423    o test exp. global_ocean_ebm:
424      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
425        and turn on exactConserve; update (fwd) output.
426    o pkg/seaice (LSR):
427      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
428      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
429        * identical results with non-CS topology (but save up to half of EXCH calls)
430        * no much changes in cs-32 verification tests since no ice at face edges
431         (differences due to convergence criteria, since nb of iterations changed)
432        * expect some differences on lat-lon-cap grid.
433        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
434    o pkg/exch2:
435      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
436        many tiles); until alternative coding is added, just add a stop.
437    o pkg/kpp:
438      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
439        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
440    o optfiles:
441      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
442        into corresponding standard one, which now support different build:
443        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
444      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
445    o pkg/obcs (seaice):
446      - add missing EXCH for uIce,vIce after applying OBCS;
447      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
448        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
449        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
450      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
451      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
452        and eedata.mth for MPI and mutlti-threaded testing.
453    o pkg/flt:
454      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
455      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
456      - fix pickup and trajectories + profiles output with multi-threads;
457      - add parameter to select group of fields to write along trajectory and
458        profile (default unchanged);
459      - only call PORT_RAND* function when flt_noise <> 0;
460      - add multi-threaded test for verification exp. flt_example.
461    o eesupp/src:
462      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
463      - USE_OMP_THREADING: check that number of threads (from eedata) matches
464        actual number (from env.var. setting).
465    o pkg/ebm:
466      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
467      - add multi-threaded test for verification exp. global_ocean_ebm
468    
469    checkpoint63b (2011/08/29)
470    o pkg/ebm:
471      - fix sign of runoff;
472      - update directly forcing fields (Qnet,EmPmR) to use standard
473        external_forcing_surf.F (remove ebm_forcing_surf.F);
474      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
475      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
476        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
477      - update global_ocean_ebm parameters file data and update output (fwd+ad).
478    o verification/matrix_example:
479      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
480        MPI and mutlti-threaded testing.
481    o pkg/matrix:
482      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
483      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
484      - fix for multi-threaded (remove DATA statement);
485      - use standard DIFFERENT_MULTIPLE function;
486      - add MATRIX_OPTIONS.h
487    o verification/matrix_example:
488       To allow to split the domain in several tiles, change the domain size
489        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
490        Western side) of land points.
491    o (*_)write_pickup:
492      - fix few bugs in mypackage_read/write_pickup.F
493      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
494        array of length 1 (was caught by compiler syntax-check).
495    o pkg/diagnostics (velocity potential solver):
496      - fix initialisation of main diagonal matrix (for overlap values)
497    o tools/build_options:
498      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
499        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
500      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
501        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
502        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
503        and use "-devel" testreport option for standard testing on baudelaire.
504    o pkg/grdchk:
505      - Assume that all gradient-check position are within the same tile
506        corresponding to global indices (iGloTile,jGloTile) and that
507        positions (i,j indices or nbeg) are local to this tile;
508      - set tile local-indices and proc. number according to tile global-indices;
509      - remove grdchkwhichproc from namelist (retired param);
510      - send adjoint gradient to all procs so that all procs print it to STDOUT;
511      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
512    o adding package bbl (Bottom Boundary Layer)
513      description in MITgcm/pkg/bbl/bbl_description.tex
514      example/test experiment in MITgcm_contrib/bbl
515    o adjoint verifications
516      - changed 5 experiments to multi-tiles
517        * global_ocean.90x40x15
518        * obcs_ctrl
519        * offline_exf_seaice
520        * tutorial_dic_adjoffline
521        * tutorial_tracer_adjsens
522        changed reference output for those that crossed tile boundaries
523        (changed choices of gradient check positions)
524      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
525      - temporary bug fix in grdchk_loc.F for obcs
526    o genmake2 & testreport
527      - add target "obj" (just for OBJFILES files) to Makefile;
528      - add option to specify FEXTRAFLAGS on command line.
529    o pkg/mypackage:
530      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
531    
532    checkpoint63a (2011/08/02)
533    o pkg/diagnostics (velocity potential):
534      - fix velocity-potential calculation when using OBCS: balance net inflow
535        at each level (new S/R OBCS_DIAG_BALANCE).
536      - fix some of the problems with OBCS in stream-function calculation.
537    o pkg/exf/exf_readparms.F
538      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
539        EXF_NML_OBCS) more consistent, so that you need not have these lists
540        in data.exf when they are not used.
541    o optim/optim_readdata.F:
542      - add some output about obcs variables that might help debugging
543      - add a check about nvarlength
544    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
545    o pkg/diagnostics (velocity potential):
546      - fix mask for OBCS (still problems in stream-function with OBCS);
547      - add specific parameter (default = main code CG2D params) for solver;
548      - in case of poor convergence, use solution corresponding to lowest residual.
549    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
550      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
551      and should be avoided where possible.
552    o model/src (rStar):
553      - include r* effect on reference-state (PhiRef) in totPhiHyd
554        (so that it's really the potential anomaly at the cell center);
555        affect solution only if z* with full pressure in EOS.
556      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
557        update output (because of z* in totPhiHyd and viscA4 changes);
558      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
559        @ constant r) until interpolation at constant r is implemented.
560    o pkg/diagnostics
561      - fix RCENTER diagnostics in case cell center is not at interface middle
562    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
563      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
564      that THETA and SALT are "conservative temperature" and "absolute
565      salinity"
566    o pkg/ctrl
567      - fix computation of endrec in s/r ctrl_init_rec
568      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
569    o pkg/seaice/seaice_growth.F
570      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
571        remove then obsolete STORE directives
572      - fix STORE directives for tice and tices, so that only the
573        appropriate part of the fields are stored (and not the entire
574        field); update global_ocean.cs32x15.seaice AD output.
575      - cosmetic changes: adjust CPP flags and indentation for better
576        legibilty
577    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
578      Chris Wilson)
579    o pkg/gmredi:
580       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
581       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
582    
583    checkpoint63  (2011/07/11)
584    o pkg/exch2:
585     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
586     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
587       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
588       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
589    o pkg/diagnostics:
590     - deal with pairs of post-processed diags which are computed together; in
591       particular, re-order list of diags within 1 file to save 2nd computation.
592     - add S/R to compute velocity stream-function (called after velocity-potential
593       calculation) from divergence free transport -> new diagnostics "PsiVEL".
594     - add parameter to select grid-point location where PsiVEL == 0.
595    o eesupp/src:
596       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
597       (specific S/R needed with exch2 topology - for now, just print an error msg)
598    o pkg/shelfice
599     - Implement friction velocity-dependent transfer coefficients following
600       Holland and Jenkins, JPO, 1999
601       Original code by M. Losch with small modifs.
602       Enable with CPP option SHI_ALLOW_GAMMAFRICT
603       and runtime flag SHELFICEuseGammaFrict
604    o verification lab_sea & global_ocean.cs32x15:
605     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
606       does not miss some dependencies (but is slower) and also works with many files
607       (default makedepend limitation for AD built).
608     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
609    o pkg/diagnostics:
610     - add run-time parameter "useMissingValue" (def=False) to fill land-point
611        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
612       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
613     - Extend the use of "missing_value" setting from data.diagnostics for the case
614       of counter-diagnostics (where fraction-weight is zero). This applies both to
615       MNC and MDS output files.
616    o pkg/seaice/seaice_growth.F:
617      - add 'a priori' cap of latent heat flux based on actual mass considerations
618        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
619        non-legacy seaice_solve4temp.
620      - add diagnostic of the residual sublimation freshwater flux (the freshwater
621        flux taken from the ocean if the total actual latent heat fluxes exceed
622        the maximum)
623      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
624       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
625      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
626       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
627      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
628      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
629    o verification 1D_ocean_ice_column:
630       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
631       update results
632    o pkg/diagnostics:
633     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
634       which are not filled-up but computed from other diags ; In this case, the mate
635       diag points to the primary (filled-up) diag to used for post processing.
636     - Update Velocity-potential computation using post-processed diag framework.
637     ==> Change the ordering of fields and time-periods in MDS output file
638       when using periodic averaging: now writes one time record with the full set
639       of fields for this time period, then the next time reccord (it used to be
640       one field with the full set of time records then the next field).
641         Note: this is now similar to NetCDF (MNC) output file. <==
642    
643    checkpoint62z (2011/06/21)
644    o adjoint monitor:
645     - Add adjoint monitor output for packages exf, seaice
646       and update relevant testreport output
647    o pkg/seaice:
648     - re-order diags inits so that they appear in order in available_diagnostics.log
649     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
650       area/heff/hsnow preceeding thermodynamic growth/melt.
651     - modified diag: SIdA; output actual effect, as the description states.
652     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
653     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
654       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
655        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
656     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
657     - added diagnostics for seaice generic tracers (SItr*).
658     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
659     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
660     I. Fenty: 18-Jun-2011:
661     Minor changes to seaice package:
662     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
663        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
664       - Differentiated "regularization variables" from "floor variables"
665        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
666        * hiceMin became SEAICE_hice_reg (old hiceMin)
667          (with _reg meaning regularization variable)
668       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
669        so as to ensure energy conservation when going between phases
670      - A22 was not used anywhere
671     2) Changed regularization procedure for heffActual and hsnowActual to ensure
672        well-boundedness and smooth adjoint in seaice_growth.F
673     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
674        because the old regularization always set heffActual >= 0.05 cm
675     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
676        on AREA when HEFF > 0.
677      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
678        requiring that DISABLE_AREA_FLOOR *not* be defined
679     Affected verifications:
680      - 1D_ocean_ice_column (output.txt output_adm.txt)
681      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
682    o pkg/diagnostics:
683      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
684      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
685        (was _RL, now integer) with option = 0 to retrieve all levels.
686      - add pieces of code to compute velocity potential at each level (new diagnostics
687        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
688        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
689      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
690        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
691        and in diagnostics_fract_fill.F (do not need a valid pointer for the
692        diagnostics counter-mate); check that definition of counter-diagnostic
693        includes a valid counter-mate (in diagnostics_set_levels.F).
694    o model/src (rStar):
695      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
696        affect solution only if z* with full pressure in EOS;
697        update output of test-exp global_ocean.90x40x15.
698    o pkg/seaice:
699      - introduce siEps=1e-5 parameter
700      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
701      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
702      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
703        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
704        as well as ice cover age and ridging index (attached to AREA).
705        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
706        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
707        Up to SItrMaxNum=3 tracers can be used simultaneously.
708    o pkg/salt_plume:
709      -introduce SPsalFRAC run time parameter that sets the fraction of the
710       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
711       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
712    o model debug options:
713      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
714        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
715      - Refine debug-msg printing selection (3 new levels):
716        debugMode  : controls printing of debug messages (sequence of S/R calls).
717        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
718         debLevZero =  0 ; /* level of disabled aux. msg printing */
719         debLevA =  1 ; /* level of minimum  aux. msg printing */
720         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
721         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
722         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
723         debLevE =  5 ; /* level of extensive debug printing */
724        New debugLevel default: with default debugMode value (=F),
725          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
726          and if debugMode=T, default debugLevel = 4 (debLevD).
727        Relation with previous settings:
728         debLevB (=2) corresponds to former debLevA (=1)
729         debLevD (=4) corresponds to former debLevB (=2)
730        Note:
731         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
732         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
733            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
734      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
735        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
736    o pkg/obcs:
737      - change OBCSfixTopo default from True to False (should not change the results);
738        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
739    o pkg/thsice:
740      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
741        2nd layer seaice sublimation (unlikely to happen)
742      - use Interior mask for OBCS in thsice_advection.F (similar to what is
743        done in gad_advection & seaice_advection).
744    o adjoint:
745      bug fix spotted by Gael Forget:
746      seaice_advection and thsice_advection still had
747      legacy CPP options to avoid CS corner updates for adjoint
748    o pkg/seaice:
749      => Change some of the defaults (2011/05/29):
750         - change SEAICEuseFluxForm default (from False to True)
751         - change DIFF1 default (from 0.004 m/s to 0. m/s)
752         And print warnings if DIFF1 is not set in data.seaice and centered
753          avection scheme is used without any diffusion.
754      also:
755      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
756      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
757      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
758        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
759        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
760      update results of test exp.:
761         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
762             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
763             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
764         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
765         seaice_obcs: output (SEAICEuseFluxForm=T)
766      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
767          for standard fwd & AD lab_sea tests (to keep the same output).
768    o pkg/seaice/seaice_growth.F:
769      - use Ian Fenty's capping formulas for actual ice
770      thickness thoughout EVOLUTION branch.
771      - put treatment pathological case #2) in CPP brackets
772      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
773      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
774    o pkg/seaice:
775      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
776      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
777      also pass fac as a param, which can be 1. (to update the tendency
778      field) or the time step (to update the field itself).
779      - seaice_advdiff.F: for multidim, call seaice_diffusion with
780      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
781      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
782      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
783      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
784    o pkg/seaice:
785      diffusion with centered advection scheme (diffus.F & advect.F):
786      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
787        to just compute the laplacian of input-field.
788      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
789      - fix flux-form version in diffus.F to conserve tracer.
790      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
791       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
792    
793    checkpoint62y (2011/05/26)
794    o pkg/seaice:
795     - seaice_growth.F : in EVOLUTION branch, always include
796       a_QSWbyATM_cover in qnet (as it should be).
797     - verification/global_ocean.cs32x15 : update results accordingly
798       (output.seaice.txt output_adm.seaice.txt).
799    o pkg/seaice + obcs:
800     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
801       equivalent of assuming no tracer gradient outside the OB region.
802       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
803     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
804       after changes above);
805     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
806       only at OB location (instead of over a band of OLx width).
807    o pkg/seaice:
808     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
809       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
810    o pkg/obcs:
811      - split header file "OBCS.h" into 4 separated files:
812        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
813       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
814         (contain no conditional statement which depends on OBCS options).
815      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
816        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
817    o ctrl, cost, grdchk & autodiff pkgs:
818      - make options file more standard (like other {PKG}_OPTIONS.h file but
819        with AD_CONFIG.h); clean-up some of the included header files.
820    o pkg/obcs:
821      - do not mask tracer when applying OB (tracer == 0 could generate problems)
822      - apply tracer OB values to tracer field only at OB location (instead of
823        over a band of OLx width)
824      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
825      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
826        obcs_apply_tloc.F & obcs_apply_sloc.F
827    o obcs in model/src:
828      - call OBCS_APPLY_W only if NonHydrostatic.
829      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
830      - reset dEtaHdt and wVel to zero outside OB interior region ;
831      - leave tracer unchanged outside OB interior region: This has no effect
832        on the solution but just to prevent unrealistic tracer value outside OB.
833      - zero out velocity outside OB interior region: This has no effect on
834        the solution but just to prevent unrealistic velocity outside OB.
835    o obcs and non-lin free-surf:
836       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
837       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
838       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
839       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
840       update results of test-exp. exp4(nlfs).
841    o exp4 (nlfs) test-exp:
842       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
843       with NonLin-FreeSurf); update output.nlfs.txt
844    o obcs and 2d/3d solver norm:
845       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
846       and outside OB interior region (will allow to place OB further inside the
847       domain). Depending on the domain, can affects cg2d-Norm (previous
848       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
849       and cg3d-Norm (previous Norm was computed before canceling OB terms),
850       e.g. in tutorial_plume_on_slope.
851      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
852    o pkg rbcs:
853      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
854      - add capability to apply relaxation to horizontal velocity uVel & vVel.
855    o pkg/grdchk: add gradient check for control variable xx_shifwflx
856    o pkg/shelfice/shelfice_init_fixed.F
857      fix CPP-flag combinations
858    o pkg/seaice: Merge iceage code of Pierre Rampal
859      * update/change/correct ice age calculations
860      * add age updates for pathological cases
861      Probably needs more testing...
862    
863    checkpoint62x (2011/05/13)
864    o pkg/mom_vecinv:
865       high-order vorticity scheme: use interior masks (maskInW & S)
866       to zero-out (outside OB) gradient of vorticity.
867    o verification exp.:
868       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
869       hs94.128x64x5 and seaice_obcs ; update results.
870    o pkg/obcs:
871      fix bug in OBeta for YZ sections in obcs_exf_load.F
872    o pkg/ctrl, pkg/shelfice, and optim:
873      - add new control variable xx_shifwflx (fresh water flux underneath ice
874        shelves). This is almost as tedious as obcs-ctrl, because the
875        variables needs its own mask.
876      - add a cost function term that penalizes the deviation of xx_shifwflx
877        from the first guess (zero) in analogy to other control variables
878    o pkg/shelfice:
879      - start basic adjoint
880    o pkg/ctrl:
881      - remove extra 2D field "for good measure" when initializing in
882        ctrl_set_globfld_[xy/xz/yz].F
883      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
884      - improve error messages in ctrl_set_unpack_*
885    o OBC implementation in momentum:
886       use interior masks (maskInC,W & S) in momentum S/R:
887       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
888       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
889       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
890       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
891       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
892        (and also with Leith/Smagorinsky harmonic-viscosity).
893       Update output of experiment dome and exp4 (+nlfs).
894    o exp4 test-exp:
895      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
896        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
897        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
898        time-varying OB at Western-side for wVel (NonHyd); update output.
899      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
900        and biharmonic-viscosity ; also use prescribed time varying OB.
901    o pkg/obcs:
902      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
903    o model/src:
904      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
905      - initialise startTime & nIter0 with unlikely values: allows to set one
906        from the other without ambiguity.
907    o seaice_obcs test-exp.:
908      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
909    o pkg/obcs:
910      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
911        no longer needed with maskInC,W,S in pkg/generic_advdiff.
912    o pkg/seaice:
913      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
914        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
915      - fixed bug in the initialization of sea ice salinity variable HSALT
916        in seaice_init_varia.F  (removed dependence on ICE2WATR)
917    o fizhi-cs test exp.:
918       switch reference output convention for these 2 non-standard test-exp,
919        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
920          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
921       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
922    o model/inc:
923      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
924        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
925    o pkg/seaice:
926      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
927    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
928      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
929        and initial HSALT
930    
931    checkpoint62w (2011/04/26)
932    o pkg/mom_fluxform:
933      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
934      - use parameter "sideDragFactor" in no-slip BC side-drag part.
935      - update output of exp. global_ocean.90x40x15
936    o pkg/mom_vecinv:
937      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
938    o update seaice exp.:
939      use more consistent parameter values (remove "backward compatability only":
940       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
941      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
942       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
943    o update test-exp global_ocean.90x40x15:
944      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
945      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
946      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
947      o turn on zStar & viscA4 in standard set-up (dir input/)
948        and update output files: output.txt & output.dwnslp.txt
949    o new AD-test experiment: obcs_ctrl
950      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
951    o pkg/dic:
952      fix two bugs in handling water vapour pressure in carbonate chemistry
953      and air-sea fluxes. Found by Val Bennington and Galen McKinley
954      (add DIC Option = WATERVAP_BUG to recover old results)
955      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
956    o adding allowInteriorFreezing option to check for water below freezing point
957      at depth and bring the negative heat anomaly to the surface level
958    o pkgs _fields_load:
959      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
960      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
961        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
962        rbcs to get interpolation weights and time reccord number.
963      - fix multi-threading in aim_fields_load.F
964      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
965    o external_fields_load:
966      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
967       interpolation weights) to use in a periodic time-series ; do not divide by
968       time-step to convert to integer:
969       - this fixes case where externForcingPeriod is not multiple of time-step
970          (Thanks to Christopher L. Wolfe)
971       - this fixes case where externForcingPeriod is an odd multiple of time-step
972         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
973      store index of time-record which is currently loaded:
974       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
975       - needed for the adjoint but not yet used because of extensive recomputations;
976         (to be fixed soon)
977    
978    checkpoint62v (2011/04/02)
979    o verification/1D_ocean_ice_column added to test Ian Fenty's
980      pkg/seaice_growth.F modifications for improving sea ice code differentiability
981    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
982      (new velocity statistics after changing maskInW & maskInS definition)
983    o pkg/generic_advdiff with OBCS:
984      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
985      equivalent to assumption of no tracer gradient outside the OB region.
986      This will affect the results if using obcs+biharmonic diffusion.
987      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
988    o pkg/obcs:
989      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
990      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
991      in Interior region. No impact on solution but affects Velocity monitor stats.
992    o pkg/ptracers (adjoint)
993      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
994      tape file for each tracer
995    o model/inc/src and pkg/autodiff: add parameters that allow to turn
996      of parts of the adjoint code at run time. For now, there are only
997      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
998      parameters are set in data.pkg.
999      This is the lazy coward's version of doing this, but still useful for
1000      debugging. In order to do it right, everything needs to be moved to
1001      pkg/autodiff.
1002    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
1003      the end; this fixes the adjoint balancing code for open boundaries.
1004    o pkg/ctrl:
1005      - change behavior of xx_${varname}period to be analogous to exf-conventions:
1006        xx_${varname}period =   0.,  means time-independent control part
1007        xx_${varname}period = -12., means one-year-periodic monthly control part
1008      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
1009        clean up ctrl_init a little, remove unused variables
1010      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
1011      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
1012    
1013    checkpoint62u (2011/03/15)
1014    o model/src:
1015      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
1016        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
1017      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
1018        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
1019    o pkg/ctrl/obcs/ecco:
1020      - remove obsolete, unused, and partially broken code:
1021        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
1022        ALLOW_CTRL_OBCS_BALANCE
1023      - put a stop statement into ecco/cost_obcsvol.F, but also add
1024        cost_obcsvol to ecco_ad_diff.list
1025    o pkg/ecco: fix counting cost function contributions for obcs (code
1026      by Matt M.) and diffkr for diagnostics
1027    o pkg/ecco, pkg/ctrl, pkg/grdchk:
1028      add cost penalty terms for initial uvel, vvel, eta controls
1029      and I/O for prior error files
1030    o pkg/mdsio:
1031       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
1032       (new argument) to check for tiled file in mdsioLocalDir : this fix the
1033       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
1034    o pkg/ctrl:
1035     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
1036       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
1037       unused and superfluous variables
1038     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
1039    o pkg/ecco
1040     - enable adjoint of Stevens OB
1041    o pkg/ctrl/ecco/grdchk:
1042      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
1043        Fortunately, we do not have any tests for the numerous cpp-flagged
1044        option of "obcs as control parameters" so we will never know
1045        if this is an improvement (but at least now things compile).
1046      - remove an obsolete initialization from ecco_cost_init_barfiles.F
1047      - fix some problems within never used ifdefs to make the code compile
1048    o pkg/obcs:
1049     - Refine Interior mask definition to work with more complex OB (e.g.
1050       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
1051       read in Interior mask from file. Check if Interior mask is consistent
1052       with OB list of indices.
1053    o pkg/seaice
1054     - beginning code for a seaice tracer package,
1055       but currently only used for seaice age: SEAICE_AGE
1056       SEAICE_num = 4
1057       iTracer = 1: area-weighted ice age
1058               = 2: volume-weighted ice age
1059               = 3, 4: template for one-year vs. multi-year ice
1060       data.seaice has new namelist SEAICE_PARM03 for arrays related to
1061       SEAICE_num
1062    
1063    checkpoint62t (2011/03/05)
1064    o pkg/obcs:
1065     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
1066       then normal component. This ensures that the normal component is set
1067       correctly even when it conficts with tangential setting from an other OB.
1068       Affects results of test-experiment seaice_obcs: update the output.txt
1069    o pkg/obcs:
1070     - add code to monitor statistics of dynamical fields at OB.
1071     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
1072       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
1073       - change default: balance the Net inflow through all OB (instead of balancing
1074         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
1075     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
1076       to match Nortern OB inflow (OBCS_balanceFacN=0).
1077    o pkg/seaice:
1078     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
1079    o pkg/seaice (seaice_growth v 1.113):
1080     - reverting seaice_growth to v 1.111 in order to have code with exact bit
1081       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
1082       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
1083       runtime flag SEAICEareaFormula is kept but is inactive
1084    o model/src:
1085     - add new param to scale curvilinear grid distance and area when using
1086       a different sphere radius from the grid-files.
1087     - test/check multi-threads EXCH applied to local variable (cg2d_x)
1088    o adjoint:
1089     - enable adjoint of Stevens OB
1090     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
1091       (a bit delicate because of potentially modified adj. common block structure;
1092       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
1093    
1094    checkpoint62s (2011/02/15)
1095    o pkg/seaice (seaice_growth v 1.112):
1096     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
1097       computing the ice cover tendency from effective thickness tendencies. Include
1098       Ian Fenty's formula.
1099     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
1100       SEAICEareaFormula.
1101     - simplify notations for the various d_HEFF/d_AREA terms.
1102    o pkg/gmredi:
1103     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
1104       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
1105       add a verification test-run (front_relax.bvp) to test GM_useBVP.
1106    o pkg/seaice (seaice_growth v 1.111):
1107     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
1108     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
1109       also melt ice.
1110    o pkg/seaice:
1111     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
1112     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
1113    o pkg/cheapaml:
1114     - from Nico Wienders: New version of this package.
1115    o pkg/flt:
1116     - add CPP options to prevent floats to re-enter the opposite side of
1117       a periodic domain (default: keep periodicity)
1118    o pkg/gmredi:
1119     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
1120       (needed for multi-dim advection).
1121     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
1122    o model/src:
1123     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
1124    o tutorial_tracer_adjsens
1125     - extend to NLFS and replace maskC by hFacC
1126       (change reference output accordingly)
1127    
1128    checkpoint62r (2011/01/24)
1129    o testreport:
1130     - add option -deloutp (-do) to remove output file after successful run
1131     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
1132       extract exact list of procs from this file ; adjust COMMAND by
1133       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
1134    o pkg/ecco: replace old ineffective way of penalizing deviations from
1135      first guess (of obcs) with code by Matt Mazloff
1136    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
1137      exf/cal
1138      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
1139        and handle case of obcs?period == 0
1140        Not affected by these changes: There is still an inconsistency in
1141        the computation of start/endrec for the obcs variables for ALLOW_CAL
1142        defined (see comment by Menemenlis, 7-Mar-2003)
1143      - make S/R ctrl_get_gen_rec return something meaningful even if
1144        ALLOW_CAL is not defined
1145      - ctrl_getobcs?: simplify code so that it does not need to use
1146                       S/R exf_swapfields
1147    o testreport:
1148       allow to test MPI with different number of processors for each experiment:
1149       create file "SIZE.h.mpi" in each build dir.
1150       Note: update of "-command" argument not yet implemented.
1151    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
1152      alleviate the need for additional 3D tapes when using
1153      the non-inear free surface in the adjoint. This is done
1154      by adding an 'update' of hfacc etc. to their current
1155      value at the beginning of forward_step.F.
1156    o pkg/seaice
1157      seaice_lsr: move stress-divergence computations out of outer pseudo-
1158      timestepping loop
1159    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
1160      up, so that the calls of the ctrl_* subroutines are really at the end
1161      of the routine.
1162    o pkg/gmredi:
1163      allow to specify a 2-D horizontal map and a 1-D vertical profil
1164      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
1165    o pkg/seaice:
1166      move lsr iterations from seaice_dynsolver to seaice_lsr.
1167    o pkg/seaice:
1168      reduce memory footprint of seaice mutldim advection tapes,
1169      by using a 2D tape independent of the generic_advdiff ones,
1170      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
1171    
1172    checkpoint62q (2010/12/29)
1173    o model/src:
1174      - check horizontal grid-spacing for unset or zero/negative values.
1175      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
1176    o pkg/flt:
1177      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
1178      - precision of input and output files set according to readBinaryPrec
1179        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
1180      - initial float position from tiled file was not converted to index space
1181        (looks like a bug): fixed to make it similar to initial pos. global file.
1182    o global_ocean.cs32x15:
1183       change SIZE.h of AD set-up to get same tiling as with MPI.
1184       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
1185    o model/src:
1186       add flag to control printing of domain fields (bathymetry, hFac ...) in
1187       ini_mask_etc (call to plot_fieds_xy*).
1188    o pkg/thsice:
1189       if useEXF, some forcing fields are not valid in overlap: fixed by computing
1190       over the interior only + apply EXCH at the end (like with SEAICE advection).
1191    o pkg/mdsio:
1192      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
1193        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
1194      - change barrier call for safe multi-threads access to 3-D shared buffer.
1195      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
1196      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
1197        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
1198    o pkg/flt:
1199      - add fourth-order Runge-Kutta integration
1200      - add basic exch2 support (only 1 facet supported so far!)
1201    o pkg/mdsio+rw:
1202      new S/R to read local (or tile independent) vector (read counterpart of
1203       mds_writevec_loc, and front-end write_glvec_rl/rs).
1204    o global_ocean.cs32x15: additional input_ad.seaice experiment
1205        that uses pkg/seaice rather than pkg/thsice.
1206        (using multidim advection for seaice)
1207    o towards more F95 syntax for array specification in namelist:
1208      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
1209        of all verification experiments.
1210           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
1211          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
1212      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
1213    o global_ocean.cs32x15: additional input.seaice experiment
1214        that uses pkg/seaice rather than pkg/thsice.
1215    
1216    checkpoint62p (2010/12/17)
1217    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
1218        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
1219    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
1220        allow for use of multim. advection in seaice adjoint.
1221    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
1222      - first attempt to close budgets by taking into account the freshwater
1223        flux implied by the sublimation of snow and ice. So far only the
1224        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
1225        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
1226    o eesupp/src:
1227      new S/R with new option (NML_EXTENDED_F77) to change array specification
1228      from F95 standard to commonly accepted extended F77 form.
1229      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
1230      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
1231      for less tolerant f77 compiler (e.g., pgf77, g77).
1232    o globalFiles:
1233      commented out in parameter file "data" since it's not safe with MPI
1234      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
1235      in this case); no longer commented out in restart test (tst_2+2).
1236    o add adTapeDir to specify a special directory where adjoint tapes are
1237      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
1238      and cannot be used together with mdsioLocalDir.
1239    o nesting pkgs:
1240      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
1241      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
1242      - add parameter files + utils dir + output from short run on beagle.
1243    o pkg/seaice:
1244        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
1245    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
1246      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
1247    
1248    checkpoint62o (2010/11/25)
1249    o pkg/exf:
1250      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
1251    o pkg/seaice:
1252      - seaice_ocean_stress: split a loop for better vectorization of the
1253        adjoint code
1254      - seaice_growth.F: fix bug in conservation of freshwater connected to
1255        capping of heff, put contribution into d_HEFFbyNEG
1256      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
1257        by something more sensible (parameters that are what their name implies)
1258      - change some defaults, so that by default exf-parameters are used for
1259        things like rhoAir, cpAir,latent/sensible heat parameters, in order
1260        to reproduce the old results, many data.seaice now contain funny values
1261        for cpAir and latent heat of sublimation
1262    o packages_readparms.F: move exf_readparms up in line so that
1263        exf-parameters are visible for other packages (e.g. seaice)
1264    o debugMode & debugLevel=2:
1265      - differentiate between debugMode & debugLevel=2:
1266        debugMode: controls printing of debug messages (sequence of S/R calls).
1267        debugLevel: controls printing of algorithm intermediate results and stats.
1268      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
1269        => allows to print debug-stats without all sequence of call messages.
1270      - switch control of debug print from debugLevel to debugMode in many S/R.
1271    o pkg/obcs (obcs-sponge):
1272        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
1273        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
1274    o pkg/generic_advdiff:
1275      - record overlap minimum size for each advection scheme;
1276      - refine criteria on overlap minimum size;
1277      - check and stop (in gad_check) if overlap size is too small.
1278    o pkg/obcs:
1279      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
1280        once, in ptracers_implicit.F)
1281      - with seaice: remove test on empty file name in obcs_apply_seaice (always
1282        apply OB values when tile has OB)
1283    o model/src, coriolis setting:
1284      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
1285        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
1286        files (selectCoriMap=3) with any grid.
1287      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
1288    o pkg/seaice/seaice_growth.F:
1289        a few cosmetic changes that reduce the number of lines of code
1290    o pkg/obcs: add boundary conditions following Stevens (1990)
1291      - the code follows old MOM/NAOSIM code
1292      - so far it is only implemented for the eastern and western boundaries
1293        and NOT for pTracers
1294    o pkg/rbcs:
1295      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
1296        beginning of the first rbcs forcing period.
1297      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
1298        offline package, i.e., one file per time, labeled by iteration number;
1299        deltaTrbcs sets the timestep with which the data was generated;
1300        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
1301      - rbcsForcingCycle=0 makes forcing non-cyclic.
1302      - make arithmetic safe for negative times and odd forcing periods.
1303    
1304    checkpoint62n (2010/11/09)
1305    o pkg/seaice:
1306        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
1307    o pkg/obcs:
1308       New S/R to copy tracer value from the OB location to narrow band region
1309        (width = same as overlap) beyond the OB: preserve OB value (needed for
1310        high-order scheme) which were overwritten by EXCH call if in overlap
1311        region. Applied to theta, salt, ptracer and advected seaice variables.
1312       With seaice: use maskInC in similar way as in gad_advection.F,
1313        in seaice_advection.F and advect.F.
1314       Update output of experiment seaice_obcs and change exp4 to test OBCS with
1315        4th order Adv.Scheme. for pasive salt and ptracer.
1316    o tools/genmake2:
1317      - when looking for an optfile (not specified), only search for Fortran compiler
1318        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
1319      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
1320        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
1321      - set default for CPP to "cpp -traditional -P" (was the case without specifying
1322        an optfile, but otherwise default was just "cpp".
1323      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
1324      - when "CC" is not set in the optfile, look for possible C compiler
1325        (instead of just setting CC=cc)
1326      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
1327        => add a ".F" to ".o" rule for source files with no "#include" (such as
1328           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
1329      - move gfortran before g77 in list of possible Fortran compiler (consistent
1330        with reference compiler switch from g77 to gfortran)
1331    o pkg/seaice:
1332      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
1333        seaice_check that stops the model, when the CPP flag is used.
1334      o seaice_growth.F: make capping of ice volume conserving by returning the
1335        capped ice as freshwater to EmPmR. This does not change the verification
1336        experiments but will change runs where the capping is acutally active
1337    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
1338      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
1339         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
1340         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
1341    o tools/genmake2:
1342      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
1343      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
1344      - clean previous genmake log files before anything else.
1345      - change Makefile to remove testreport log files (*.tr_log) and genmake log
1346        files only with "CLEAN" target (instead of "Clean");
1347    o pkg/generic_advdiff:
1348      Change OBCS in multiDim advection (gad_advection.F):
1349       Use maskInC to prevent intermediate update of tracer-field in OB regions,
1350       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
1351       which were applying future time-step OB values.
1352      This way, all explicit calculations use current-time-step OB values
1353       (simpler and more consistent).
1354      Affects results when set-up uses time-varying OBC and multi-dim advection;
1355       update output of experiment seaice_obcs.
1356    o pkg/seaice:
1357      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
1358       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
1359         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
1360      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
1361       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
1362       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
1363    o pkg aim (2010/10/26):
1364      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
1365        formulation with obliquity, eccentricity, ... as run-time parameters,
1366      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
1367        upward shortwave radition at the surface (all-sky and clear-sky).
1368    o pkg/obcs:
1369      - writing sections with globalFiles=T does not work: switch to tiled-files
1370        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
1371      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
1372      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
1373    
1374    checkpoint62m (2010/10/21)
1375    o pkg/seaice: vectorize seaice_solve4temp.F
1376      - move iterations loops outside of i/j-loops
1377      - requires 2D arrays for TB and effConduct
1378      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
1379        modified in this routine
1380      - a little bit of clean up, adjusting indentation, etc.
1381      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
1382        performance and '**TWO' by '**2' (because TWO is a float),
1383        replaced ONE, ZERO
1384    o eesupp/src:
1385       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
1386    o pkg/seaice/seaice_growth.F
1387      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
1388      merging process. The merged routine has two branches, and one activates the 'evolution'
1389      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
1390      In summary, here is what the '10/10 revision' did consist of
1391        part 1: seaice_growth.F revisions 1.71 to 1.75
1392          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
1393            The emphasis here was on improving readability (e.g. by trying to use meaningful
1394            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
1395        part 1.5:
1396          - revising the lab_sea experiment to make it a more useful (i.e. stable
1397            and representative of an actual model run). This was done by generating a
1398            (winter) pickup to start from, switching back the main experiment dynamic
1399            solver from evp to lsr, having one of the experiments use the free drift solution.
1400        part 2: seaice_growth.F revisions 1.76 to 1.85
1401          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
1402          - Sorting out the various fields units and sign (set early on and reset at the end)
1403            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
1404            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
1405          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
1406            and simplifying logical expressions to further improve readibility.
1407        part 3: seaice_growth.F revisions 1.86 to 1.89
1408          - Re-organize the blocks of code more logically.
1409          - Merging the '_if.F' pieces that add something new.
1410    o pkg/thsice:
1411      - vectorize thsice_solve4temp and thsice_get_exf.
1412        Problem: thsice_solve4temp has an unvectorizable statement that
1413        might also be problematic for TAF
1414      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
1415        does not change the verifcation experiment, but will change all
1416        experiments that have this flag undefined (not tested in verification);
1417        a little reorganization to save a few 2D fields and recomputations
1418      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
1419      - 2nd step:  fix some store dirs
1420        o seems to work somewhat, i.e. using ifort but not g77
1421        o likely cause are incomplete init. or recomputation
1422        o start verification/global_ocean.cs32x15/input_ad.thsice
1423    o pkg/obcs: add support for exch2
1424      - the position of the boundary and prescribed values are specified using
1425        a global domain with exch2 facets stacked
1426        - in x for N,S boundaries (like W2_mapIO=-1)
1427        - in y for E,W boundaries (so E,W boundaries do not overlap)
1428    o pkg/mdsio: add support for writing global sections with exch2
1429        file layout is as for obcs described above:
1430        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
1431        - for y-z sections, facets are stacked in y
1432    o pkg/thsice:
1433       - change a few routines for better vectorization: thsice_albedo.F,
1434         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
1435         not affected, but in particular the latter routine has changed
1436         dramatically (not necessarily easier to read now).
1437       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
1438       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
1439    o verification/lab_sea:
1440      - overhaul of the forward model experiments. The main motivation
1441        for this revision is that lab_sea has proven quite fragile (when
1442        changing the sea-ice code, and switching platforms) to a point
1443        when failures were very hard to attribute to specific code problems.
1444      - the suspected reason for this fragility is noise amplification by evp so,
1445        to start with, we decided to replace evp with lsr in the main experiment.
1446      - the input.lsr experiment thus became obsolete and was removed.
1447      - it was replaced with the input.fd experiment that uses an
1448        analytical "free drift" solution as the ice velocity field.
1449      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
1450        will hopefully allow us to discriminate problems due to dynamic solvers
1451        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
1452        us to test additional options, along with the salt plume package.
1453      - Finally a pickup was generated (at the end of a one year run) to
1454        make the tests more representative of an actual model run. Previously
1455        the tests starting point was a 1m thickness of ice everywhere.
1456    o pkg/seaice:
1457      - introducing S\R seaice_freedrift.F that compute the
1458        analytical solution to an approximate ice momentum
1459        equation (i.e. the simple stress/coriolis balance).
1460      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
1461        of the free drift velocity field, and enable its use.
1462        To actually use the free drift solution as the model ice
1463        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
1464    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
1465    
1466    checkpoint62l (2010/10/04)
1467    o pkg/seaice:
1468      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
1469      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
1470       version (with USE_ORIGINAL_SBI undef);
1471    o add hooks for new packages OASIS, the package will follow
1472      (hooks exclude the seaice pkg for now)
1473    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
1474      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
1475      rather than mdsio_readvector.F/mdsio_writevector.F, within
1476      adread_adwrite.F to read/write adjoint-related tapes to disk.
1477    o eesupp and pkg/mdsio: ALLOW_WHIO
1478      Option to write/read 2D fields to files including tiles halos.
1479      The main purpose is for adjoint related "tape I/O".
1480      The secondary purpose is for debugging phases.
1481      A word on those rather specifically intended purposes.
1482      The code was meant to be stripped down to the bare minimum.
1483      Typically, there is a unique and basic mapping to the global
1484      buffer (tile by tile, then proc by proc, then level by level), and
1485      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
1486      meant to generate user friendly outputs of various shapes and forms.
1487      Rather it is intended, for the knowledgeabale developers,
1488      to be largely independent of the many mdsio options, to allow
1489      outputs of tiles+halos in debugging phases and in adjoint runs,
1490      and to allow some flexibility in tuning (adoint) I/O depending on each
1491      file system behavior. With regard to tuning, most of the potential knobs
1492      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
1493      to specify directories, to specify the typical size of I/O calls, etc.)
1494      are not yet included, and will be added if they prove useful.
1495    o pkg/seaice:
1496       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
1497    o pkg/seaice:
1498       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
1499       code (seaice_budget_ice_if.F) which enable to recover old standard
1500       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
1501       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
1502    o model/src (rStar):
1503       use simple average (not area weighted) of rStarFac at U,V point when using
1504       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
1505       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
1506    
1507    checkpoint62k (2010/09/17)
1508    o adjoint
1509       * changed verification/global_ocean.cs32x15 ; adjoint now tests
1510         Adams-Bashforth 3 + NLFS + RSTAR
1511       * some more modifs required for ECCO-GODAE v4
1512    o pkg/seaice
1513       add SEAICE_AGE_VOL option to use volume instead of area for
1514       integrating SEAICE_AGE
1515    o model/src:
1516       first check-in of sigma & hybrid-sigma coordinate code ; also includes
1517       non-linear free-surface parts ; but pressure-gradient not yet coded.
1518    o pkg/ptracers:
1519       option for ptracer to convert Salt Relax into additional EmP.
1520        tested in exp. global_ocean.90x40x15.dwnslp (update output)
1521    
1522    checkpoint62j (2010/08/25)
1523    o pkg/ggl90:
1524       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
1525    o pkg/dic: car_flux.F, phos_flux.F
1526      - reduce number of exp-calls in order to improve performance
1527      - clean up a little (replace fields by their macros, etc., fix
1528        typo in CPP-flag)
1529    o pkg/ggl90: minor changes
1530      - GGL90diffKrS was removed --> always use GGL90diffKr
1531      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
1532      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
1533        (commented out for now)
1534      - change in max/min operations to ensure that smoothing is ok
1535      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
1536      - always use diffKrNrT as background profile (i.e. never use diffKr field)
1537    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
1538    o pkg/dic:
1539      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
1540        vectorization
1541      - small bug fix in insol for the unlikely case of a cartesian grid
1542      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
1543        + now vectorize, which also removes adjoint recomputations;
1544        + replace integer maksp1 by _RL maskp1
1545        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
1546    
1547    checkpoint62i (2010/07/21)
1548    o pkg/flt:
1549      - with OBCS: stop floats which enter the OB region
1550    o model/src:
1551      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
1552        for implicit vertical advection.
1553    o pkg/seaice:
1554     - account for melting in seaice age evolution.
1555     - remove double counting of seaice ridging effect on seaice age.
1556    
1557    checkpoint62h (2010/06/18)
1558    o pkg/exch2:
1559     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
1560    o tools/genmake2
1561      - remove "-pdefault" option: redundant with the use of "packages.conf";
1562      - remove file pkg/pkg_default : set the default as a pkg group
1563        ("default_pkg_list") defined in pkg/pkg_groups;
1564      - fix for case pkg/pkg_depend is missing (was hanging before);
1565      - add option "-pgroups" to specify a different pkg_groups than the default.
1566    o verification/adjustment.cs-32x32x1:
1567       add a "minimal" set-up test (code_min & input_min) which only compiles
1568       eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
1569    o tools/genmake2
1570      - extend pkg_depend rules to model & eesupp (e.g., if model depend on [pkg]))
1571      - fix details of checking for mnc & profile pkg when NetCDF is unavailable.
1572    o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these
1573      files are nearly the same anyway.
1574      Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04:
1575       - redefinition of tau(i,i) (by a factor of ustar)
1576       - 1./exf(Const/T) -> exf(-Const/T) (big change in the results)
1577       - replace rhonil by rhoConstFresh in computation of evap (bug fix)
1578       - replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results)
1579       - replace
1580         rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh )
1581         shn    = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j)
1582         by
1583         shn    = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh )
1584         (changes results)
1585       -> exf_bulkformulae v1.22,
1586          update verification experiments lab_sea, offline_exf_seaice, seaice_obcs
1587          (lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13,
1588                    output.txt 1.63
1589           offline_exf_seaice: output.seaicetd.txt 1.7
1590           seaice_obcs: output.txt 1.10)
1591      Step 2: do the actual merge and remove exf_bulk_largeyeager04.F
1592       -> exf_bulkformulae v1.23,
1593          unfortunately requires updating lab_sea.salt_plume (6 matching digits),
1594          and global_ocean.cs32x15.icedyn (only 11 matching digits)
1595      Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice.
1596    o adjoint of exch-1:
1597     - pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list)
1598       (note: was already like this when using EXCH-2) and remove flow dir
1599       and hand-written AD version of high-level EXCH S/R (pkg/autodiff);
1600     - provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow);
1601     - update pkg/exch2 diff list.
1602    
1603    checkpoint62g (2010/05/19)
1604    o eesupp/src (exch-1):
1605     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
1606       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
1607       (renamed to exch1_*rx_cube.F).
1608     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
1609       to call new exch1 S/R ; update Makefile and .cvsignore.
1610     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
1611       exch2_xy_rx later)
1612      Note: after updating your code, need to run "make clean" in eesupp/src
1613    o test experiment bottom_ctrl_5x5:
1614       new output_adm.txt with fewer grdchk & less monitor output.
1615    o model/src:
1616      remove the call to ini_cori in initialise_varia.F (just keep the usual one
1617       in initialise_fixed.F). More consistent with coriolis & horizontal grid
1618       beeing treated in the same way (ini_grid is not called a 2nd time).
1619    o pkg/exf:
1620      - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
1621      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
1622      - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
1623      - cosmetic changes to exf_bulkformulae.F to make it look more like
1624        exf_bulk_largeyeager04.F
1625    o eesupp/src (exch-1):
1626      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
1627      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
1628        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
1629        (even without using MPI).
1630      - Message mode: move RecvAck setting (indicator of buffer being ready)
1631        from send_put to recv_get S/R (was useless before, but not sure if
1632        it's much more useful now);
1633      - Switch the order of sync: MPI-proc 1rst and then threads;
1634      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
1635      - fix AD code for communication mode ='get' (but not used).
1636    o model/src:
1637      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
1638      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
1639    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
1640    o pkg/ctrl: require a specific set of control variables and exf-flags for
1641      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
1642    o model/src:
1643     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
1644       1rst forward sweep, to avoid over-writing output files during recomputations
1645       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
1646     b) 2nd version:
1647      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
1648      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
1649         writePickupAtEnd) + seaice & ptracers output;
1650      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
1651    o model/src:
1652      - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
1653    o pkg/exch2:
1654      - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
1655      - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
1656    o pkg/autodiff & exch2:
1657      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
1658      (for now, only if ALLOW_EXCH2 is defined).
1659    o pkg/autodiff:
1660      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
1661        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
1662       + clean-up comments (_RS is not always real*4)
1663      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
1664      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
1665        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
1666    o testreport (AD-tests):
1667      no longer link files from dir "../input" (1rst link files from
1668      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
1669    
1670    checkpoint62f (2010/04/29)
1671  o model/src/the_main_loop.F:  o model/src/the_main_loop.F:
1672    adjust store directives for seaice evp and multicategory according to    adjust store directives for seaice evp and multicategory according to
1673    pkg/ecco/the_main_loop.F    pkg/ecco/the_main_loop.F
1674  o adjoint:  o adjoint:
1675    global_sum_ad was incomplete (noted many times by many people ;)    global_sum_ad was incomplete (noted many times by many people ;)
1676    nice description by Jean U. as follows:    nice description by Jean U. as follows:
1677    * allreduce(var) in global_sum.F can be interpreted as    * allreduce(var) in global_sum.F can be interpreted as
1678      reduce(sum) followed by broadcast of sum.        reduce(sum) followed by broadcast of sum.
1679    * The adjoint of that is    * The adjoint of that is
1680      sum(adjoint) followed by broadcast(summed adjoint value)      sum(adjoint) followed by broadcast(summed adjoint value)
1681      or in other words, allreduce(sum, adjoint vars)      or in other words, allreduce(sum, adjoint vars)
1682    We were missing the sum(adjoint)!    We were missing the sum(adjoint)!
1683    Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)    Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
# Line 117  o tools/build_options: Line 1781  o tools/build_options:
1781      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
1782  o pkg/ecco  o pkg/ecco
1783    - allow user defined cost function contributions    - allow user defined cost function contributions
1784          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
1785          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
1786    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
1787        the two options are complementary.        the two options are complementary.
1788  o pkg/smooth  o pkg/smooth

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