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revision 1.1272 by mlosch, Tue May 18 12:26:54 2010 UTC revision 1.1576 by jmc, Fri Jan 20 01:30:45 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 pkg/exf:  o pkg/obcs (with exch2):
8      - derive OB indices in overlap region from OB-InsideMask (in obcs_init_fixed.F)
9        and remove code (in obcs_readparms.F) which was based on EXCH of indices
10        (through buffer) and did not account for exch2 (e.g., CS-grid) topology.
11    o pkg/exf and seaice exp:
12      - change offline_exf_seaice.seaicetd test exp. to use default DIFF1 value (=0)
13        so that switching off area & heff advection flags does not affect results.
14      - change default EXF_LWDOWN_WITH_EMISSIVITY to #define in EXF_OPTIONS.h
15      - keep exp. seaice_obcs & 1D_ocean_ice_column(ad) unchanged (using #undef
16        EXF_LWDOWN_WITH_EMISSIVITY) and, using pkg/exf default emissivities, update
17        results of verification experiments: 1D_ocean_ice_column(fwd),
18        global_ocean.cs32x15.seaice(fwd+ad) & seaice_dynmix(ad), lab_sea (all 8)
19        and offline_exf_seaice (all 4).
20    o pkg/seaice:
21      - remove array YNEG, RIVER, TMIX (replaced by local var) from common block;
22        remove also areaNm1 & hEffNm1 when SEAICE_GROWTH_LEGACY is undef.
23      - fix bug: areaNm1 & hEffNm1 are needed in seaice_growth (SEAICE_GROWTH_LEGACY)
24        but were not filled when resp. SEAICEadvArea=F & SEAICEadvHeff=F and
25        not multi-dim advection;
26      - fix seaice_growth.F to compile with both SEAICE_GROWTH_LEGACY and
27        SHORTWAVE_HEATING #undef.
28    o optim: make Makefile more robust (?)
29    o pkg/obcs:
30      * fix treatment of obcs_read_pickup for TAF
31    o pkg/shelfice:
32      * add missing initialisation of num_shifwflx
33      * new adjoint verification exp. for isomip
34      * change Prandtl and Schmidt numbers from generic formulations
35        (in terms of model diffus. and visc.) to separate runtime
36        parameters, with Holland and Jenkins (1999) default values.
37    o pkg/exf (interpolation):
38      - extended input field (2 rows) near the N & S poles:
39        * fill in with the symetric value (when even Nb of data in longitude)
40        * add average value at the poles only for scalar quantities ; for vector
41          component interpolation, skip the averaging and keep duplicated values,
42          unless the 2 components have same location (uvInterp=T) in which case
43          interpolate the 2 components together using S/R EXF_INTERP_UV.
44      - new S/R EXF_INTERP_UV to interpolate the 2 components of a vector field
45        together: this allows to account properly for local orientation when
46        averaging at N & S pole.
47      - add CPP option EXF_USE_OLD_INTERP_POLE to recover old results regarding
48        exf-interpolation near N & S poles. Undef by default.
49      - add debug check/print on 1rst iter if debugLevel >=2.
50    o pkg/exf:
51      - change masking flags definition (no longer "parameter"), put them in
52        common block and set them in S/R EXF_INIT_FIXED.
53      - change recognized masking flag from s,u,v to c,w,s since the mask
54        to use (maskC,W,S) depends on position on model grid and has little to
55        do with scalar/vector difference; fix masking if using P-coordinates.
56      - fix masking of wind-stress (was wrong if interpolated or read on A-grid)
57        and update results of exp. global_with_exf (x2).
58      - fix setting of zenith-angle table when SHORTWAVE_HEATING is undef.
59    o pkg/obcs
60      - S/R obcs_calc_stevens: fix a small bug (gammat -> gammas where appropriate)
61    o pkg/exf (interpolation):
62      - assume periodicity in X only if input field cover full longitude range.
63      - improve search for lat. index (supposed to be faster, in ~log2(ny) steps,
64        and should vectorise).
65      - fix input lat of the 2 added row (in case we provide N.pole data).
66    
67    checkpoint63h (2011/12/30)
68    o pkg/seaice:
69      - change declaration of UVM from _RL to _RS in order to get B-grid
70        uIce,vIce monitor when _RS = real*4
71    o pkg/offline:
72      - new S/R OFFLINE_RESET_PARMS for resetting main-model params (switch off flags);
73      - compute vertical velocity if not read from file (switch on exactConserv
74        & staggerTimeStep);
75      - fix output of ptracer monitor iter & time for default PTRACERS_monitorFreq.
76    o verification:
77      - update grid-files (in tutorial_held_suarez_cs/input and fizhi-cs-32x32x40/input)
78        with grid-angle generated using "utils/matlab/cs_grid/cubeCalcAngle.m":
79        fix Pb in yG definition @ 2 missing corners (previously yG was averaged);
80      - update output of exp. global_ocean.cs32x15.viscA4 after changing
81        grid-file angles (used here for coriolis-3d);
82      - remove (or gzip) few files not needed to run fizhi-cs experiments.
83    o pkg/exf (vector interpolation):
84      - rotate vector component toward local grid-axis orientation using grid-angles
85        (stored in GRID.h) instead of locally computed rotation angle; keep old code
86        available with exf option EXF_USE_OLD_VEC_ROTATION (undef by default).
87    o pkg/seaice:
88      - allow to compile with exf options ALLOW_ATM_TEMP or ALLOW_DOWNWARD_RADIATION
89        undefined. Fix and remove the stop when ALLOW_RUNOFF is undefined.
90    o pkg/PKG_OPTIONS.h files:
91      - move #include "CPP_OPTIONS.h" just after #include "PACKAGES_CONFIG.h",
92        outside of the #ifdef ALLOW_THISPKG / #endif block.
93      - update verification/*/code/PKG_OPTIONS.h files.
94    o add a verification experiment (offline_exf_seaice/input.seaice) that test
95      the B-grid LSOR solver
96    o pkg/seaice: sort out emissivity and long wave radiation step 2:
97      - add emissivity for snow and ice as new run-time parameters
98        (unfortunately) that default to the corresponding exf values; this
99        changes results in most verification experiments so that for backward
100        compatibility these parameter have to be set explicitly to inconsistent
101        values (ugly);
102      - the exf-flag EXF_LWDOWN_WITH_EMISSIVITY then gets rid off the hard-wired
103        emissivities of 0.97 associated with lwdownloc in S/R seaice_solve4temp
104        until we agree how to handle this bug properly
105    o pkg/exf (interpolation):
106      - add a set of run-time param ({inputfield}_interpMethod), one for
107        each interpolated input field, to select the interpolation method
108        with a value of zero switching off the interpolation;
109      - print interpolation parameters to standard output;
110      - refine exf_check.F accordingly ; stop if USE_NO_INTERP_RUNOFF is defined
111        (to use instead runoff_interpMethod=0 in data.exf).
112      - simplify default setting of interpolation parameters (for all fields,
113        set position to match model grid cell-center position, leading to trivial
114        interpolation in case of regular Lat-Lon grid) and fix for the case of
115        non-uniform delY.
116    o pkg/exf/exf_radiation.F: add the factor ocean_emissivity to lwdown, for
117       within #ifdef EXF_LWDOWN_WITH_EMISSIVITY/#endif. Unless ocean_emissivity=1.
118       this factor is absolutely required, because the lw exitance (= out-going
119       long wave radiation) is emissivity*stefanBoltzmann*T^4 + rho*lwdown,
120       where the reflectivity rho = 1-emissivity for conservation reasons. Once
121       this is established, we can remove the CPP-Flag (if we want to).
122    o pkg/seaice:
123      - qualify a stop statement in S/R seaice_check: EXF_READ_EVAP and
124        ALLOW_BULKFORMULAE are only required if SEAICE_EXTERNAL_FLUXES is defined
125      - sort out emissivity and long wave radiation, step 1: make SEAICE_emissivity
126        what the name implies (and not emissivity*BoltzmannConstant), this means
127        the old default value of 5.5e-8 now means
128        5.5e-8/5.670e-8 = 0.97001763668430343479 as ocean_emissivity in
129        S/R exf_readparms
130      - FV-discretization of the B-grid LSOR solver, turn on with
131        SEAICE_LSRBNEW. This new solver also involves a slight re-organization
132        of the calling routine dynsolver, so that B and C-grid code look a
133        little more alike.
134      - fix index bugs in ostres.F (B-grid code)
135    o pkg/seaice/seaice_ocean_budget.F: change (unused) code to make it look better
136    o pkg/seaice/seaice_readparms.F: make ocean_emissivity*stefanBoltzmann the
137      default for SEAICE_emissivity, if useEXF; requires setting a wrong
138      parameter value in global_ocean.cs32x15/input.seaice/data.seaice for
139      backward compatiblity
140    o model/src: use sigmaR in calc_ivdc
141    
142    checkpoint63g (2011/12/16)
143    o pkg/seaice/seaice_growth.F:
144      fix heat conservation of the coupled ocean-seaice system.
145      when SEAICE_HEAT_CONSERV_FIX is defined, the mismatch of
146      solid vs liquid water treatment is resolved via QNET.
147    o pkg/seaice/seaice_growth.F:
148      add missing term for sublimation in saltFlux, which was breaking conservation.
149    o pkg/seaice/seaice_model.F:
150      Remove this patholigical case treatment in evolution branch,
151      where it is un-necessary and breaks conservation.
152      Update global_ocean.cs32x15/results accordingly for
153      output.seaice.txt output_adm.seaice.txt and output_adm.seaice_dynmix.txt
154    o model/src:
155      useRealFreshWaterFlux: remove masking of EmPmP (using maskInC) in
156      external_forcing_surf.F and apply mask directly in S/R SOLVE_FOR_PRESSURE.
157    o pkg/obcs:
158      modify Stevens boundary conditions so that S/R obcs_calc_stevens computes
159      tendency for temperature and salinity that is then applied to update
160      theta and salt in S/R obcs_apply_ts; this requires proper masking of all
161      horizontal advection and diffusion contributions on the boundary (in
162      S/Rs gad_advection, gad_calc_rhs, gmredi_rtransport, gmredi_calc_diff), and
163      removing the mask in S/R timestep_tracer. The advantage of this approach is
164      that the updated tracer values include contributions from the surface
165      forcing and vertical diffusion.
166      This modification changes exp4.stevens because of vertical diffusion.
167    o model/src:
168      change non-curvilinear grid setting to also work with exch2 + blank tiles:
169      - move delX,delY to new header file (SET_GRID.h) and adjust length to 1rst
170        face dimensions.
171      - new S/R INI_LOCAL_GRID to define model tile-local grid (using same units
172        as delX,delY) and called from S/R INI_CARTESIAN_GRID, INI_CYLINDER_GRID
173        and INI_SPHERICAL_POLAR_GRID.
174      change test-experiment global_ocean.90x40x15:
175      - split the domain in many more tiles (9x4 tiles of 10x10 each);
176      - switch to exch2 and remove 1 blank-tile (but only for MPI test).
177      - update results of both test (std & dwnslp).
178    o pkg/diagnostics/diagstat_calc.F: fix problem with non-initialised halos in
179       tmp-fields for TARGET_NEC_SX at the cost of extra loops and less vectorisation
180    o model/src:
181      - take sigma-coords related code out of update_etah.F into new S/R UPDATE_ETAWS
182        and fix initialisation when using sigma-coords.
183    o model/src:
184     - improve Gael's changes from Jan 14, 2011 "addition of an 'update' of hfacc etc.
185       to their current value at the beginning of forward_step.F": add a new run-time
186       switch "doResetHFactors" (default=false) and use it to do (or not) the resetting.
187     - set doResetHFactors=T in the following test exp:
188        global_ocean.90x40x15/input (rStar) & input.dwnslp (linFS),
189        global_ocean.cs32x15/input.seaice (rStar), hs94.cs-32x32x5/input.impIGW (linFS)
190        and tutorial_global_oce_in_p (nonLinFS in p)
191    o pkg/ecco
192      - added IES cost term
193    o verification/advect_xz
194      - scale down the depth by 1/100 (from 200 km to just 2.km)
195      - add secondary test using divergent flow, r-star and implicit vertical advection.
196      - add note (check_conserve_TS.txt) and matlab script to check global
197        conservation of T & S with NonLin-FreeSurf and Adams-Bashforth.
198    o pkg/rbcs:
199      - add missing relaxUFile & relaxVFile in namelist (in rbcs_readparms.F).
200    o pkg/obcs (Stevens BCs):
201      - fix various problems in the phase speed computations of the Stevens
202        boundary conditions:
203        - sign error for western and southern boundaries,
204        - time tendencies were underestimated by factor of dTracerLev and some just
205          zero (for multidim advection schemes) -> now estimate time tendencies
206          from difference between previous (n) time level and the one before (n-1);
207          this requires storing a field per tracer per boundary, also in the pickup
208          files.
209        - replace deltaTmom in cflMer/Zon computation with dTracerLev
210        - set default phase velocity to cflMer/Zon
211      - update verification experiment exp4.stevens
212    o pkg/generic_advdiff (implicit_r):
213      - fix implicit vertical advection conservation with AB and/or NonLin-FreeSurf
214        (remove Tr*d/dz(w) in gad_implicit_r.F and add it in gad_calc_rhs.F);
215      - fix implicit vertical diffusion or advection with NonLin FreeSurf
216        (was using current recip_hFacC instead of future recip_hFacC): set future
217        recip_hFac in thermodynamics.F and pass & use it in all vertical implicit
218        solver S/R ;
219      - fill diagnostics of vertical advective fluxes (computed from tendency)
220        when using implicit vert. advection;
221      - update output of exp that uses NonLin-FreeSurf & implicit vertical diffusion:
222         global_ocean.90x40x15 (fwd+AD), global_ocean.cs32x15 (4 fwd +4 AD),
223         tutorial_global_oce_in_p (fwd), tutorial_tracer_adjsens (AD)
224         and cpl_aim+ocn (used in ocean); to be fixed: bottom_ctrl_5x5.
225    o pkg/diagnostics:
226      - add diags for T & S tendency which goes through Adams-Bashforth.
227    
228    checkpoint63f (2011/11/30)
229    o pkg/obcs/obcs_calc_stevens.F:
230      - join some loops to reduce number of if-statements
231      - fix a bug in code for northern and southern boundaries.
232    o pkg/seaice/seaice_init_varia.F
233      - undo resetting UVM=0 that has slipped in unnoticed in r1.49 and
234        caused zero ice-velocities for the B-grid code
235    o pkg/seaice/seaice_init_fixed.F
236      - fix a bug in the initialisation of the second metric terms
237        k2AtC and k2AtZ: k2AtC was set to the value of k2AtZ and k2AtZ was 0.
238      - this affects all seaice configurations with useCurviLinearGrid = .true.
239        and SEAICEuseDynamics = .true. (default) and SEAICEuseMetricTerms
240        = .true. (default)
241      - the only verification experiment affected is global_ocean.cs32x15:
242        icedyn, seaice, and seaice_dynmix (AD)
243    o pkg/thsice/thsice_diagnostics_state.F
244      - only for TARGET_NEC_SX: initialise all of tmpFld, so that overlap does
245        not contain garbage that can lead to surprises in diagstats_calc.F
246    o model/src:
247      - move bi,bj loops inside INTEGR_CONTINUITY ;
248      - call INTEGR_CONTINUITY directly from forward_step.F
249        (previously called from momentum_correction_step.F)
250      - call UPDATE_ETAH from integr_continuity.F and update initialise_varia.F,
251        forward_step.F and pkg/ecco/the_main_loop.F
252    o model/src/do_oceanic_phys.F:
253      - reset addMass to zero only if useICEFRONT ;
254      - separated k-loop for rhoInSitu calculation ;
255      - add 2 diagnostics for wVel*delta^k(Rho) at constant pressure (= WdRHO_P)
256        and at constant T,S (= WdRHOdP);
257      NOTE: change diagnostics WRHOMASS : this is now simply the Vertical transport
258        of In-Situ Density (Anomaly) (=wVel*rho^bar-k) (previously was Vertical
259        transport of locally-referenced potential density);
260        to recover old diag: (WRHOMASS)_old = (WRHOMASS)_new -1/2 * (WdRHOdP)
261    o gluemnc:
262      - replace ncrcat with ncks when adding variables to *.glob.nc
263      - change the way variables without record dimensions are handled so that
264        files that have variables with and without record variables can be glued:
265        add a record dimension with a new unique name to be able to differentiate
266        between variable with and without a-prior record dimensions. Remove
267        this record dimension before adding the variable to the *.glob.nc file.
268        This procedure automatically works also for grid.*.nc files that do not
269        have any record dimension.
270    o verification/cpl_aim+ocn:
271      - generate new reference output on baudelaire (gfortran, mpich2) (previously
272        from old aces-grid cluster, ao + ifort) and update 'run_cpl_test' script.
273    o pkg/obcs/obcs_calc_stevens.F:
274      - add code for northern and southern boundaries.
275      - reorder some loops to save some operations and so that drFBar can be scalar
276    o model/src:
277      - re-arrange extrapolation calculation in Adams-Bashforth S/R (affects machine
278        truncation) and add diagnostics for Adams-Bashforth tendency increment.
279      - update test-exp. AD output:
280        1D_ocean_ice_column, bottom_ctrl_5x5, lab_sea.noseaicedyn, obcs_ctrl;
281      and FWD output: exp4 (x3), fizhi-cs-32x32x40, fizhi-cs-aqualev20,
282        front_relax (x3), global_ocean.90x40x15 (x2), global_ocean.cs32x15 (x5),
283        global_ocean_ebm, ideal_2D_oce, internal_wave, isomip (x3), lab_sea (x4),
284        matrix_example, MLAdjust (x5), natl_box (x2), tutorial_advection_in_gyre,
285        tutorial_global_oce_in_p, tutorial_global_oce_latlon and
286        tutorial_plume_on_slope.
287    o pkg/diagnostics/diagstats_calc.F: add special code for TARGET_NEC_SX
288      that vectorises. This code uses 3 extra 2D fields, F90 array assignments
289      and F90 intrinsic routines SUM, MINVAL, MAXVAL, but since TARGET_NEC_SX
290      does not even come with an F77 compiler anymore, this should not be
291      a limitation
292    
293    checkpoint63e (2011/11/06)
294    o pkg/seaice adjoint of LSR:
295      - substantially rework STORE dirs.
296      - add new flag SEAICE_LSR_ADJOINT_ITER and parameter SOLV_MAX_FIXED
297        this flag will do SOLV_MAX_ITERS but only store SOLV_MAX_FIXED fields
298        and only perform SOLV_MAX_FIXED adjoint iters.
299        If flag SEAICE_LSR_ADJOINT_ITER is undef-ined, the store in the iteration
300        always goes to same record, meaning that the last forward field will be
301        the one used in the adjoint - an approximation.
302      - now produces non-zero LSR-related gradients, and acceptable gradients for
303        An's zonal (x-z) test case (to be checked in)
304      - lab_sea: produces acceptable gradients for lab_sea with forward/backward LSR
305        (but these are screwed up by the thermodynamics in the first place);
306        reduce from 4 to 3 timesteps to avoid t.d. issue as temporary solution;
307        output_adm.txt also reflects changes to seaice_lsr
308      - global_ocean.cs32x15:
309        * the "default" input_ad.seaice has been re-defined to always exclude dynamics
310          (output_adm.seaice.txt was updated)
311        * new input_ad.seaice_dynmix tests a forward LSR / backward free-drift
312          (output_adm.seaice_dynmix.txt)
313    o test-exp. exp4+stevens:
314      - switch off pTracers and nonHydrostatic (restart problems with NH); update output
315    o pkg/seaice (lsr solver):
316      - put coriolis term into FORCEX,Y (as in seaice_evp.F; previously in rhsU,V only);
317        update output (change truncation) of FWD test exp lab_sea & global_ocean.cs32x15
318      - fix SEAICEuseFREEDRIFT for new OBCS version (ndef OBCS_UVICE_OLD)
319      - new parameter "LSR_mixIniGuess" allows (if=2,4) to mix free-drift solution
320        into initial guess for linearised solver; use weight ~ (1/err)^2,4.
321      - compute (with new S/R) and print initial (+ free-driff sol. if available)
322        and final residual of linearised system.
323    o pkg/pp81: add diagnostics for vertical eddy viscosity and diffusivity
324      (requires new subroutines pp81_init_fixed.F/pp81_diagnostics_init.F)
325    o pkg/obcs: Stevens BCs (still only for east and west)
326      - fix Stevens BCs by using intermediate velocities of previous
327        time step as "baroclinic" contribution rather velocity of one grid cell
328        inside the boundaries; more consistent but makes the entire treatment
329        more complicated, requires new pickup files and two new S/Rs:
330        obcs_copy_uv_n and obcs_save_uv_n
331        keep old version with flag OBCS_STEVENS_USE_INTERIOR_VELOCITY
332        (undefined by default)
333      - silently move computation of some grid factors into separate loops to
334        save some recomputations
335      - add a hack for non-linear free surface
336      - add a verification experiment to exp4 that tests this code
337    o make gluemnc/xplodemnc work with (moron) non-GNU shell tools
338    
339    checkpoint63d (2011/10/25)
340    o pkg/obcs + seaice-dynamics:
341      - new implementation calls OBCS_APPLY_UVICE (in seaice_dynsolver.F) before
342        solving for uIce,vIce and prevent SEAICE_LSR or SEAICE_EVP to modify OB
343        values (consistent with an implicit method).
344      - add option OBCS_UVICE_OLD (in OBCS_OPTIONS.h, defined by default) to
345        return to older implementation (same results as before); note that none of
346        the "experimental" OBCS_SEAICE options are implemented in the new version.
347      - switch test exp. seaice_obcs to use new version (update output).
348    o pkg/seaice:
349      - add few stop (B-grid & CS-exch, B-grid & obcs, AUTODIFF & SEAICE_maskRHS)
350      - add parenthesis in Water-Ice drag calculations (evp & lsr);
351      - in seaice_lsr.F, simplify and fix AA3 setting in case sNx or sNy=1;
352        and fix case SEAICE_waterDrag=0 (but unstable if no or little seaice)
353      - update output of test exp lab_sea that uses evp or lsr (fwd+ad)
354        and global_ocean.cs32x15 (icedyn & seaice fwd+ad).
355    o pkg/layers:
356      - Include potential density as new coordinate (Thanks to David Munday)
357    o pkg/dic:
358      - Remove subroutine CALC_PCO2_APPROX_CO3 from carbon_chem.F and add
359        carbonate computation/output to CALC_PCO2_APPROX
360    o pkg/generic_advdiff
361      - make TAF generate code that vectorizes:
362        gad_dst3fl_adv_*.F, gad_u3c4_impl_r.F
363    o model/src:
364      - improve vectorization also for adjoint code of
365        solve_tridiagonal and solve_pentadiagonal. As this requires up to
366        5 new 3D-fields, this code is only turned on for the combination of
367        ALLOW_AUTODIFF_TAMC and TARGET_NEC_SX. Also remove error message
368        for singular matrix check (only for TARGET_NEC_SX).
369      - remove hard-wiring of CPP-flag ALLOW_SOLVERS_KLOOPINSIDE to
370        ALLOW_AUTODIFF. This flag now needs to be set outside of
371        solve_tri/pentadiagonal.F
372    o pkg/exf:
373      - fix previous modif in exf_readparms.F (revision 1.66: treatment of
374        optional namelist EXF_NML_OBCS).
375      - add many debug-print (to trace down where pkg/cal error msg comes from)
376    o pkg/mom_vecinv/mom_vi_hdissip.F
377      - rearrange loops so that vectorization is improved and in particular
378        the adjoint routine vectorizes. The code is a little longer now, but I
379        think easier to read.
380        Note: CPP-flag MOM_VI_ORIGINAL_VISCA4 is not tested.
381    o pkg/seaice:
382      - allow to specify initial seaice velocity from files (uIceFile,vIceFile)
383    o pkg/exch2:
384      - alternative code (without tile x tile matrix) for cumulated (global) sum;
385        used as default; keep using matrix version in adjustment.cs-32x32x1.
386    o tools/build_options:
387      - after merging some MPI and/or multi-threads specific optfiles so that
388        the modified default optfile support both built (using genmake2 -mpi
389        for the MPI built, using genmake2 -omp for OpenMP built),
390        move now obsolete optfiles to tools/build_options/unsupported/
391       (add copy of email sent to support list in doc/optfiles_changes.txt)
392    
393    checkpoint63c (2011/09/28)
394    o pkg/ebm:
395      - fix ebm_zonalmean.F for several procs in Ydir (nPy > 1); update output of
396        test exp. global_ocean_ebm (affects machine truncation, 12 digits for cg2d)
397    o pkg/seaice (SItracer pickup)
398    * Simple code for pickup of SItracer fields (#define ALLOW_SITRACER)
399      To be done:
400      - thorough testing of missing fields in S/R seaice_read_pickup
401      - thorough matching between generic tracers and specific fields used
402        (e.g. volume-weighted age, area-weighted age, salinity, ...)
403    o pkg/grdchk:
404      - all procs calculate and print finite-difference gradient (for testreport)
405      - change description output used by testreport;
406      - AD testing: also compare and report Finite-difference gradient;
407        => update all output_adm*.txt
408    o test exp. global_ocean_ebm:
409      - switch back useRealFreshWaterFlux (no problem anymore with run-off);
410        and turn on exactConserve; update (fwd) output.
411    o pkg/seaice (LSR):
412      - print to STDOUT number of solver iterations at SEAICE_monFreq interval.
413      - modify solver to deal cleanly with u/v switch at face edges (CS-grid):
414        * identical results with non-CS topology (but save up to half of EXCH calls)
415        * no much changes in cs-32 verification tests since no ice at face edges
416         (differences due to convergence criteria, since nb of iterations changed)
417        * expect some differences on lat-lon-cap grid.
418        update FWD results of global_ocean.cs32x15 test exp. (icedyn & seaice)
419    o pkg/exch2:
420      - add new CPP option to disable Cumul-Sum matrix (to save storage when using
421        many tiles); until alternative coding is added, just add a stop.
422    o pkg/kpp:
423      - move ptracer/salt correction to KPP diffusivity from calc_3d_diffusivity.F
424        to S/R KPP_CALC_DIFF_PTR (+ add tracer-index to argument list).
425    o optfiles:
426      - merged few MPI specific (*+mpi*) and multi-threads specific (*+mth) optfiles
427        into corresponding standard one, which now support different build:
428        (when using "genmake2 -mpi" for MPI built, "genmake2 -omp" for OpenMP built)
429      - add "darwin_amd64_gfortran" optfile (initially from Constantinos, tested by Gael)
430    o pkg/obcs (seaice):
431      - add missing EXCH for uIce,vIce after applying OBCS;
432      - remove S/R EXF_SWAPFFIELDS_X/Y , disable S/R EXF_SET_OBCS_X/Y by adding
433        argument = number of levels to S/R EXF_SWAPFFIELDS_XZ/YZ and S/R
434        EXF_SET_OBCS_XZ/YZ ; update obcs_exf_load.F;
435      - fix EXF_SET_OBCS_XZ/YZ for multi-threaded (assuming loaded arrays are shared)
436      - verification exp. seaice_obcs: split domain in 2 tiles ; add SIZE.h_mpi
437        and eedata.mth for MPI and mutlti-threaded testing.
438    o pkg/flt:
439      - make FLT EXCH working with multi-threads (and MPI + multi-threads);
440      - use buffer for floats IO (trajectories & profiles); size set in FLT_SIZE.h;
441      - fix pickup and trajectories + profiles output with multi-threads;
442      - add parameter to select group of fields to write along trajectory and
443        profile (default unchanged);
444      - only call PORT_RAND* function when flt_noise <> 0;
445      - add multi-threaded test for verification exp. flt_example.
446    o eesupp/src:
447      - fix S/R ALL_PROC_DIE for MPI+multi-threads.
448      - USE_OMP_THREADING: check that number of threads (from eedata) matches
449        actual number (from env.var. setting).
450    o pkg/ebm:
451      - fix multi-threading in ebm_area_t.F ; clean-up EBM.h header file.
452      - add multi-threaded test for verification exp. global_ocean_ebm
453    
454    checkpoint63b (2011/08/29)
455    o pkg/ebm:
456      - fix sign of runoff;
457      - update directly forcing fields (Qnet,EmPmR) to use standard
458        external_forcing_surf.F (remove ebm_forcing_surf.F);
459      - avoid loading forcing fields a 2nd time (1rst time from ini_forcing.F);
460      - set either tauThetaClimRelax (in data) or tauThetaZonRelax (in data.ebm)
461        and apply relaxation towards corresponding SST field (2-D map or ZonAver).
462      - update global_ocean_ebm parameters file data and update output (fwd+ad).
463    o verification/matrix_example:
464      - split domain in 8 tiles (2x4); add SIZE.h_mpi and eedata.mth for
465        MPI and mutlti-threaded testing.
466    o pkg/matrix:
467      - change name of S/R MATRIX_INIT to S/R MATRIX_INIT_VARIA ;
468      - fix for multi-tiles (add bi,bj indices to exp/impMatrixCounter);
469      - fix for multi-threaded (remove DATA statement);
470      - use standard DIFFERENT_MULTIPLE function;
471      - add MATRIX_OPTIONS.h
472    o verification/matrix_example:
473       To allow to split the domain in several tiles, change the domain size
474        from 31x31 to 32x32 by adding 1 row (on Southern side) + 1 column (on
475        Western side) of land points.
476    o (*_)write_pickup:
477      - fix few bugs in mypackage_read/write_pickup.F
478      - in MDS_WR_METAFILES calls, replace "myTime" by a local copy into
479        array of length 1 (was caught by compiler syntax-check).
480    o pkg/diagnostics (velocity potential solver):
481      - fix initialisation of main diagonal matrix (for overlap values)
482    o tools/build_options:
483      - towards single optfile for MPI and non-MPI built: merge few +mpi optfile
484        into previously non MPI one (linux_am64 pgf77,open64,pathf90,ifort11)
485      - linux_amd64_gfortran: merge +mpi_generic version into standard optfile:
486        * move IEEE flags to DEVEL section; take IEEE flags from +mpi_generic ;
487        * FAST case: for now, keep -O3 with ini_masks_etc.F in NOOPTFILES list;
488        and use "-devel" testreport option for standard testing on baudelaire.
489    o pkg/grdchk:
490      - Assume that all gradient-check position are within the same tile
491        corresponding to global indices (iGloTile,jGloTile) and that
492        positions (i,j indices or nbeg) are local to this tile;
493      - set tile local-indices and proc. number according to tile global-indices;
494      - remove grdchkwhichproc from namelist (retired param);
495      - send adjoint gradient to all procs so that all procs print it to STDOUT;
496      - switch on MPI test for global_ocean.90x40x15 AD test experiment.
497    o adding package bbl (Bottom Boundary Layer)
498      description in MITgcm/pkg/bbl/bbl_description.tex
499      example/test experiment in MITgcm_contrib/bbl
500    o adjoint verifications
501      - changed 5 experiments to multi-tiles
502        * global_ocean.90x40x15
503        * obcs_ctrl
504        * offline_exf_seaice
505        * tutorial_dic_adjoffline
506        * tutorial_tracer_adjsens
507        changed reference output for those that crossed tile boundaries
508        (changed choices of gradient check positions)
509      - with same tiling, switch on MPI test for the last 4 (add SIZE.h_mpi)
510      - temporary bug fix in grdchk_loc.F for obcs
511    o genmake2 & testreport
512      - add target "obj" (just for OBJFILES files) to Makefile;
513      - add option to specify FEXTRAFLAGS on command line.
514    o pkg/mypackage:
515      - remove bi,bj arguments from argument list of S/R MYPACKAGE_CALC_RHS
516    
517    checkpoint63a (2011/08/02)
518    o pkg/diagnostics (velocity potential):
519      - fix velocity-potential calculation when using OBCS: balance net inflow
520        at each level (new S/R OBCS_DIAG_BALANCE).
521      - fix some of the problems with OBCS in stream-function calculation.
522    o pkg/exf/exf_readparms.F
523      - make treatment of optional namelists (EXF_NML_04, EXF_NML_SGRUNOFF,
524        EXF_NML_OBCS) more consistent, so that you need not have these lists
525        in data.exf when they are not used.
526    o optim/optim_readdata.F:
527      - add some output about obcs variables that might help debugging
528      - add a check about nvarlength
529    o pkg/ctrl: once again, fix computation of endrec in s/r ctrl_init_rec
530    o pkg/diagnostics (velocity potential):
531      - fix mask for OBCS (still problems in stream-function with OBCS);
532      - add specific parameter (default = main code CG2D params) for solver;
533      - in case of poor convergence, use solution corresponding to lowest residual.
534    o pkg/seaice/seaice_growth.F: small changes that permit vectorizable
535      adjoint code. In general statements like tmpscal=fld(i,j) are problematic
536      and should be avoided where possible.
537    o model/src (rStar):
538      - include r* effect on reference-state (PhiRef) in totPhiHyd
539        (so that it's really the potential anomaly at the cell center);
540        affect solution only if z* with full pressure in EOS.
541      - test-exp global_ocean.90x40x15: reduce viscA4 (was not stable) and
542        update output (because of z* in totPhiHyd and viscA4 changes);
543      - keep the previous diagnostics as "PHIHYDcR" (closer to potential anomaly
544        @ constant r) until interpolation at constant r is implemented.
545    o pkg/diagnostics
546      - fix RCENTER diagnostics in case cell center is not at interface middle
547    o add code for TEOS-10 (www.teos-10.org, McDougall et al. 2011). Use
548      this eos with eosType = 'TEOS10', in data (PARM01). This eos implies
549      that THETA and SALT are "conservative temperature" and "absolute
550      salinity"
551    o pkg/ctrl
552      - fix computation of endrec in s/r ctrl_init_rec
553      - ctrl_pack/unpack_*: remove unused variables and some obsolete code
554    o pkg/seaice/seaice_growth.F
555      - fix recomputation with FENTY_AREA_EXPANSION_CONTRACTION code,
556        remove then obsolete STORE directives
557      - fix STORE directives for tice and tices, so that only the
558        appropriate part of the fields are stored (and not the entire
559        field); update global_ocean.cs32x15.seaice AD output.
560      - cosmetic changes: adjust CPP flags and indentation for better
561        legibilty
562    o pkg/autodiff: add mnc-output of adBottomDragFld (code contributed by
563      Chris Wilson)
564    o pkg/gmredi:
565       Add Sub-Meso Eddies parameterisation from Baylor (for now, disabled with TAF),
566       and test it in verification exp. "front_relax.bvp" (update output.bvp.txt)
567    
568    checkpoint63  (2011/07/11)
569    o pkg/exch2:
570     - rename+move: nTiles in W2_EXCH2_PARAMS.h --> exch2_nTiles in W2_EXCH2_TOPOLOGY.h
571     - exch2 version of Cumul-Sum routine: S/R W2_SET_MAP_CUMSUM set up the
572       (2*nTiles)x(nTiles) Cumul-Sum matrix and Master Proc collects all tiles X,Y
573       increments, calculates Cumul-Sum @ tile origin and sends results to each tile.
574    o pkg/diagnostics:
575     - deal with pairs of post-processed diags which are computed together; in
576       particular, re-order list of diags within 1 file to save 2nd computation.
577     - add S/R to compute velocity stream-function (called after velocity-potential
578       calculation) from divergence free transport -> new diagnostics "PsiVEL".
579     - add parameter to select grid-point location where PsiVEL == 0.
580    o eesupp/src:
581       new S/R to calculate cumulated sum on tiled array, corner grid-cell location
582       (specific S/R needed with exch2 topology - for now, just print an error msg)
583    o pkg/shelfice
584     - Implement friction velocity-dependent transfer coefficients following
585       Holland and Jenkins, JPO, 1999
586       Original code by M. Losch with small modifs.
587       Enable with CPP option SHI_ALLOW_GAMMAFRICT
588       and runtime flag SHELFICEuseGammaFrict
589    o verification lab_sea & global_ocean.cs32x15:
590     - use tools/xmakedepend (instead of cyrus_makedepend, in genmake_local):
591       does not miss some dependencies (but is slower) and also works with many files
592       (default makedepend limitation for AD built).
593     - use cyrus_makedepend in adjustment.128x64x1 (so that it still tested).
594    o pkg/diagnostics:
595     - add run-time parameter "useMissingValue" (def=False) to fill land-point
596        (i.e., where mask=0) with MissingValue ; used only in MNC output file.
597       This replaces CPP-option DIAGNOSTICS_MISSING_VALUE.
598     - Extend the use of "missing_value" setting from data.diagnostics for the case
599       of counter-diagnostics (where fraction-weight is zero). This applies both to
600       MNC and MDS output files.
601    o pkg/seaice/seaice_growth.F:
602      - add 'a priori' cap of latent heat flux based on actual mass considerations
603        when SEAICE_ADD_SUBLIMATION_TO_FWBUDGET is used in conjunction with the
604        non-legacy seaice_solve4temp.
605      - add diagnostic of the residual sublimation freshwater flux (the freshwater
606        flux taken from the ocean if the total actual latent heat fluxes exceed
607        the maximum)
608      - remove the CPP switch around the *_FWbySublim unit change and move diagnostic
609       fill for SIatmQnt, SIfwSubl, SIatmFW to the end of seaice_growth.F.
610      - add diagnostic of the actual sublimation freshwater flux (that is 0. ifndef
611       SEAICE_ADD_SUBLIMATION_TO_FWBUDGET) and of the latent heat flux (evap+sublim).
612      - bug fix : frWtrAtm needs a_FWbySublim ifdef SEAICE_ADD_SUBLIMATION_TO_FWBUDGET.
613      - bug fix : missing part to Martin's r_FWbySublim pathological case fix.
614    o verification 1D_ocean_ice_column:
615       made model domain truly 1x1x23 instead of 5x5x23 with only center cell (3,3,:) wet
616       update results
617    o pkg/diagnostics:
618     - Implement setting of "Post-Processed" diagnostics (corresponding to gdiag(5)='P')
619       which are not filled-up but computed from other diags ; In this case, the mate
620       diag points to the primary (filled-up) diag to used for post processing.
621     - Update Velocity-potential computation using post-processed diag framework.
622     ==> Change the ordering of fields and time-periods in MDS output file
623       when using periodic averaging: now writes one time record with the full set
624       of fields for this time period, then the next time reccord (it used to be
625       one field with the full set of time records then the next field).
626         Note: this is now similar to NetCDF (MNC) output file. <==
627    
628    checkpoint62z (2011/06/21)
629    o adjoint monitor:
630     - Add adjoint monitor output for packages exf, seaice
631       and update relevant testreport output
632    o pkg/seaice:
633     - re-order diags inits so that they appear in order in available_diagnostics.log
634     - added diags: hsnow thermo. rates of change, area preceeding ridiging process,
635       area/heff/hsnow preceeding thermodynamic growth/melt.
636     - modified diag: SIdA; output actual effect, as the description states.
637     - modified description: SIqneti, SIqneto, SIuheff, SIvheff, SIdAb*, HSNOW.
638     - retired redundant diags: SIyneg, SIfice, SIsnwice, SIthdgrh.
639       (SIyneg->SIdHbOCN; SIfice->SIdHbATC; SIsnwice->SIdHbFLO;
640        and SIthdgrh->SIdHbOCN+SIdHbATC+SIdHbATO)
641     - modified diags (2) : switch all SIdA*, SIdH*, SIdS* from delta to rates.
642     - added diagnostics for seaice generic tracers (SItr*).
643     - added SItrUnit and SItrNameLong run time param (for SItr* diags).
644     - in diag names, replaced 'PrTh' abbrev. of 'preceeding thermo' with 'PT'.
645     I. Fenty: 18-Jun-2011:
646     Minor changes to seaice package:
647     1) Retired old variables (A22, SEAICE_lhsublim, areaMax, areaMin, hiceMin) and
648        added some new ones (SEAICE_area_reg, SEAICE_hice_reg, SEAICE_area_floor)
649       - Differentiated "regularization variables" from "floor variables"
650        * areaMin became SEAICE_area_reg (old A22) and SEAICE_area_floor
651        * hiceMin became SEAICE_hice_reg (old hiceMin)
652          (with _reg meaning regularization variable)
653       - SEAICE_lhSublim becomes lhSublim, the sum of SEAICE_lhEvap and SEAICE_lhFusion
654        so as to ensure energy conservation when going between phases
655      - A22 was not used anywhere
656     2) Changed regularization procedure for heffActual and hsnowActual to ensure
657        well-boundedness and smooth adjoint in seaice_growth.F
658     3) Fixed a bug where seaice_solve4temp would not recognize ice-free grid cells
659        because the old regularization always set heffActual >= 0.05 cm
660     4) Changed the model so that the default behavior is to put a small (10^-5) "floor"
661        on AREA when HEFF > 0.
662      - went from requiring ALLOW_PRECLUDE_INFINITESIMAL_AREA to be defined to
663        requiring that DISABLE_AREA_FLOOR *not* be defined
664     Affected verifications:
665      - 1D_ocean_ice_column (output.txt output_adm.txt)
666      - global_ocean.cs32x15 (output.seaice.txt output_adm.seaice.txt)
667    o pkg/diagnostics:
668      - move MNC code from diagnostics_out.F into new diagnostics_mnc_out.F (2 S/R).
669      - rename S/R GETDIAG to DIAGNOSTICS_GET_DIAG and change type of 1rst argument
670        (was _RL, now integer) with option = 0 to retrieve all levels.
671      - add pieces of code to compute velocity potential at each level (new diagnostics
672        PhiVEL, works only when UVELMASS & VVELMASS are also turned on);
673        for now, using same params as CG2D (target-resisual, max Nb of iter ...).
674      - fix few issues with counter diagnostics in diagnostics_setdiag.F &
675        diagstats_setdiag.F (if diagnostic counter is itself a counter diag)
676        and in diagnostics_fract_fill.F (do not need a valid pointer for the
677        diagnostics counter-mate); check that definition of counter-diagnostic
678        includes a valid counter-mate (in diagnostics_set_levels.F).
679    o model/src (rStar):
680      - add rStar scaling factor in diags_phi_hyd.F (similar to calc_grad_phi_hyd.F);
681        affect solution only if z* with full pressure in EOS;
682        update output of test-exp global_ocean.90x40x15.
683    o pkg/seaice:
684      - introduce siEps=1e-5 parameter
685      - use areaMax in AREA update (part 4), consistent with ridging step (part 2.5).
686      - re-organize SEAICE_ADD_SUBLIMATION_TO_FWBUDGET code.
687      - introduce ALLOW_SITRACER and seaice_tracer_phys.F to handle generic seaice tracer.
688        For now it covers, and was tested for, ice salinity and age (attached to HEFF),
689        as well as ice cover age and ridging index (attached to AREA).
690        For now the run time parameters (in data.seaice/SEAICE_PARM03) are
691        SItrName (e.g. 'age') and SItrMate ('HEFF', which is the default, or 'AREA').
692        Up to SItrMaxNum=3 tracers can be used simultaneously.
693    o pkg/salt_plume:
694      -introduce SPsalFRAC run time parameter that sets the fraction of the
695       salt by-product of ice growth (SPsalFRAC*(1-SIsalFRAC)*salt typically)
696       that gets vertically redistributed (fluxed down) by pkg/salt_plume.
697    o model debug options:
698      - Switch reading of debugMode from S/R INI_PARMS (parameter file "data", stored
699        in PARAMS.h) to S/R EESET_PARMS (parameter file "eedata", stored in EEPARAMS.h).
700      - Refine debug-msg printing selection (3 new levels):
701        debugMode  : controls printing of debug messages (sequence of S/R calls).
702        debugLevel : controls printing of algorithm-relevant auxiliary/debug messages
703         debLevZero =  0 ; /* level of disabled aux. msg printing */
704         debLevA =  1 ; /* level of minimum  aux. msg printing */
705         debLevB =  2 ; /* level of low aux. print (report read-file opening)*/
706         debLevC =  3 ; /* level of moderate debug prt (most pkgs debug msg) */
707         debLevD =  4 ; /* level of enhanced debug prt (add DEBUG_STATS prt) */
708         debLevE =  5 ; /* level of extensive debug printing */
709        New debugLevel default: with default debugMode value (=F),
710          = 2 (debLevB) or = 1 (debLevA) in case ALLOW_AUTODIFF is defined.;
711          and if debugMode=T, default debugLevel = 4 (debLevD).
712        Relation with previous settings:
713         debLevB (=2) corresponds to former debLevA (=1)
714         debLevD (=4) corresponds to former debLevB (=2)
715        Note:
716         a) if debugLevel=0, skip WRITE_GRID call when nIter0 > 0 (same as before);
717         b) default debugLevel=1 is convenient in AD runs (avoid many file opening msgs);
718            to recover previous default, set debugLevel=2 (e.g. AD-test hs94.1x64x5)
719      - Add new parameter (printResidualFreq, read from PARM02 namelist) to print
720        detailed CG solvers convergence; off (=0) by default, except if debugLevel=5.
721    o pkg/obcs:
722      - change OBCSfixTopo default from True to False (should not change the results);
723        keep OBCSfixTopo=T in verification-exp. seaice_obcs.
724    o pkg/thsice:
725      - fix bug in thsice_calc_thickn.F (was introduced in version 1.18) in
726        2nd layer seaice sublimation (unlikely to happen)
727      - use Interior mask for OBCS in thsice_advection.F (similar to what is
728        done in gad_advection & seaice_advection).
729    o adjoint:
730      bug fix spotted by Gael Forget:
731      seaice_advection and thsice_advection still had
732      legacy CPP options to avoid CS corner updates for adjoint
733    o pkg/seaice:
734      => Change some of the defaults (2011/05/29):
735         - change SEAICEuseFluxForm default (from False to True)
736         - change DIFF1 default (from 0.004 m/s to 0. m/s)
737         And print warnings if DIFF1 is not set in data.seaice and centered
738          avection scheme is used without any diffusion.
739      also:
740      - fix seaice_diffusion calls in default AdvScheme part of seaice_advdiff.F;
741      - set SEAICEdiffKh[] default in the same way as SEAICEadvSch[]
742      - stop if DIFF1<>0 with SEAICEadvScheme <> 2, if DIFF1<>0 with any
743        other non-zero SEAICEdiffKh[] diffusivity, if SEAICEadvSalt=T with
744        #undef SEAICE_VARIABLE_SALINITY, if SEAICEadvAge=T with #undef SEAICE_AGE.
745      update results of test exp.:
746         lab_sea: output.fd (switch to AdvScheme=33 with diffKh=20)
747             output.hb87, output_adm.evp (SEAICEuseFluxForm=T and diffKh=200)
748             output_adm.noseaicedyn (SEAICEuseFluxForm=T)
749         offline_exf_seaice: output.seaicetd, output_adm (SEAICEuseFluxForm=T)
750         seaice_obcs: output (SEAICEuseFluxForm=T)
751      and prescribe old default for SEAICEuseFluxForm (=F) and DIFF1 (=0.004)
752          for standard fwd & AD lab_sea tests (to keep the same output).
753    o pkg/seaice/seaice_growth.F:
754      - use Ian Fenty's capping formulas for actual ice
755      thickness thoughout EVOLUTION branch.
756      - put treatment pathological case #2) in CPP brackets
757      (ALLOW_AVOID_INFINITESIMAL_AREA, undef by default).
758      - update global_ocean.cs32x15 and 1D_ocean_ice_colum results accordingly.
759    o pkg/seaice:
760      - seaice_diffusion.F : remove the min(DX,DY) factor permanently;
761      pass the Laplacian diffusivity (in m^2/s) diffKh as a parameter;
762      also pass fac as a param, which can be 1. (to update the tendency
763      field) or the time step (to update the field itself).
764      - seaice_advdiff.F: for multidim, call seaice_diffusion with
765      e.g. SEAICEdiffKhHeff and with fac=1; for single-dim, call
766      seaice_diffusion with e.g. SEAICEdiffKhHeff and with fac=time step.
767      - SEAICE_PARAMS.h, seaice_readparms.F, seaice_check.F :
768      hooks to handle SEAICEdiffKhHeff, SEAICEdiffKhArea, etc.
769    o pkg/seaice:
770      diffusion with centered advection scheme (diffus.F & advect.F):
771      - simplify S/R DIFFUS (put deltaT & DIFF1 factor outside, move EXCH outside)
772        to just compute the laplacian of input-field.
773      - unroll k loop (harmonic,biharmonic diff) in advect.F to save 1 exch call.
774      - fix flux-form version in diffus.F to conserve tracer.
775      update output of lab_sea.fd & lab_sea.hb87 (1rst set of modif affects
776       machine truncation) and lab_sea.salt_plume (conservative flux-form modif)
777    
778    checkpoint62y (2011/05/26)
779    o pkg/seaice:
780     - seaice_growth.F : in EVOLUTION branch, always include
781       a_QSWbyATM_cover in qnet (as it should be).
782     - verification/global_ocean.cs32x15 : update results accordingly
783       (output.seaice.txt output_adm.seaice.txt).
784    o pkg/seaice + obcs:
785     - use maskInW & maskInS in multi-dim advection and biharmonic diffusion:
786       equivalent of assuming no tracer gradient outside the OB region.
787       update output of seaice_obcs (uses DIFF1 <>0 => biharmonic diffusion)
788     - remove calls to OBCS_COPY_TRACER after EXCH calls (no longer needed
789       after changes above);
790     - obcs+seaice cleaning: apply seaice-tracer OB values to tracer field
791       only at OB location (instead of over a band of OLx width).
792    o pkg/seaice:
793     - fix wrong indices in old (non Flux-Form) diffusion default S/R diffus.F
794       (dxG(I+1, ...) changed to dxG(I, ...), no impact on Lat-Lon grid)
795    o pkg/obcs:
796      - split header file "OBCS.h" into 4 separated files:
797        OBCS_PARAMS.h, OBCS_GRID.h, OBCS_FIELDS.h & OBCS_SEAICE.h
798       Note: OBCS_PARAMS.h & OBCS_GRID.h can be included without OBCS_OPTIONS.h
799         (contain no conditional statement which depends on OBCS options).
800      - move "useOBCSYearlyFields" from "data.obcs" (hold in OBCS_PARAMS.h)
801        to parameter file "data.exf", namelist EXF_NML_OBCS (in EXF_PARAM.h).
802    o ctrl, cost, grdchk & autodiff pkgs:
803      - make options file more standard (like other {PKG}_OPTIONS.h file but
804        with AD_CONFIG.h); clean-up some of the included header files.
805    o pkg/obcs:
806      - do not mask tracer when applying OB (tracer == 0 could generate problems)
807      - apply tracer OB values to tracer field only at OB location (instead of
808        over a band of OLx width)
809      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
810      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
811        obcs_apply_tloc.F & obcs_apply_sloc.F
812    o obcs in model/src:
813      - call OBCS_APPLY_W only if NonHydrostatic.
814      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
815      - reset dEtaHdt and wVel to zero outside OB interior region ;
816      - leave tracer unchanged outside OB interior region: This has no effect
817        on the solution but just to prevent unrealistic tracer value outside OB.
818      - zero out velocity outside OB interior region: This has no effect on
819        the solution but just to prevent unrealistic velocity outside OB.
820    o obcs and non-lin free-surf:
821       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
822       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
823       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
824       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
825       update results of test-exp. exp4(nlfs).
826    o exp4 (nlfs) test-exp:
827       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
828       with NonLin-FreeSurf); update output.nlfs.txt
829    o obcs and 2d/3d solver norm:
830       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
831       and outside OB interior region (will allow to place OB further inside the
832       domain). Depending on the domain, can affects cg2d-Norm (previous
833       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
834       and cg3d-Norm (previous Norm was computed before canceling OB terms),
835       e.g. in tutorial_plume_on_slope.
836      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
837    o pkg rbcs:
838      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
839      - add capability to apply relaxation to horizontal velocity uVel & vVel.
840    o pkg/grdchk: add gradient check for control variable xx_shifwflx
841    o pkg/shelfice/shelfice_init_fixed.F
842      fix CPP-flag combinations
843    o pkg/seaice: Merge iceage code of Pierre Rampal
844      * update/change/correct ice age calculations
845      * add age updates for pathological cases
846      Probably needs more testing...
847    
848    checkpoint62x (2011/05/13)
849    o pkg/mom_vecinv:
850       high-order vorticity scheme: use interior masks (maskInW & S)
851       to zero-out (outside OB) gradient of vorticity.
852    o verification exp.:
853       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
854       hs94.128x64x5 and seaice_obcs ; update results.
855    o pkg/obcs:
856      fix bug in OBeta for YZ sections in obcs_exf_load.F
857    o pkg/ctrl, pkg/shelfice, and optim:
858      - add new control variable xx_shifwflx (fresh water flux underneath ice
859        shelves). This is almost as tedious as obcs-ctrl, because the
860        variables needs its own mask.
861      - add a cost function term that penalizes the deviation of xx_shifwflx
862        from the first guess (zero) in analogy to other control variables
863    o pkg/shelfice:
864      - start basic adjoint
865    o pkg/ctrl:
866      - remove extra 2D field "for good measure" when initializing in
867        ctrl_set_globfld_[xy/xz/yz].F
868      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
869      - improve error messages in ctrl_set_unpack_*
870    o OBC implementation in momentum:
871       use interior masks (maskInC,W & S) in momentum S/R:
872       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
873       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
874       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
875       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
876       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
877        (and also with Leith/Smagorinsky harmonic-viscosity).
878       Update output of experiment dome and exp4 (+nlfs).
879    o exp4 test-exp:
880      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
881        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
882        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
883        time-varying OB at Western-side for wVel (NonHyd); update output.
884      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
885        and biharmonic-viscosity ; also use prescribed time varying OB.
886    o pkg/obcs:
887      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
888    o model/src:
889      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
890      - initialise startTime & nIter0 with unlikely values: allows to set one
891        from the other without ambiguity.
892    o seaice_obcs test-exp.:
893      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
894    o pkg/obcs:
895      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
896        no longer needed with maskInC,W,S in pkg/generic_advdiff.
897    o pkg/seaice:
898      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
899        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
900      - fixed bug in the initialization of sea ice salinity variable HSALT
901        in seaice_init_varia.F  (removed dependence on ICE2WATR)
902    o fizhi-cs test exp.:
903       switch reference output convention for these 2 non-standard test-exp,
904        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
905          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
906       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
907    o model/inc:
908      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
909        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
910    o pkg/seaice:
911      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
912    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
913      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
914        and initial HSALT
915    
916    checkpoint62w (2011/04/26)
917    o pkg/mom_fluxform:
918      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
919      - use parameter "sideDragFactor" in no-slip BC side-drag part.
920      - update output of exp. global_ocean.90x40x15
921    o pkg/mom_vecinv:
922      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
923    o update seaice exp.:
924      use more consistent parameter values (remove "backward compatability only":
925       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
926      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
927       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
928    o update test-exp global_ocean.90x40x15:
929      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
930      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
931      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
932      o turn on zStar & viscA4 in standard set-up (dir input/)
933        and update output files: output.txt & output.dwnslp.txt
934    o new AD-test experiment: obcs_ctrl
935      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
936    o pkg/dic:
937      fix two bugs in handling water vapour pressure in carbonate chemistry
938      and air-sea fluxes. Found by Val Bennington and Galen McKinley
939      (add DIC Option = WATERVAP_BUG to recover old results)
940      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
941    o adding allowInteriorFreezing option to check for water below freezing point
942      at depth and bring the negative heat anomaly to the surface level
943    o pkgs _fields_load:
944      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
945      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
946        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
947        rbcs to get interpolation weights and time reccord number.
948      - fix multi-threading in aim_fields_load.F
949      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
950    o external_fields_load:
951      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
952       interpolation weights) to use in a periodic time-series ; do not divide by
953       time-step to convert to integer:
954       - this fixes case where externForcingPeriod is not multiple of time-step
955          (Thanks to Christopher L. Wolfe)
956       - this fixes case where externForcingPeriod is an odd multiple of time-step
957         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
958      store index of time-record which is currently loaded:
959       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
960       - needed for the adjoint but not yet used because of extensive recomputations;
961         (to be fixed soon)
962    
963    checkpoint62v (2011/04/02)
964    o verification/1D_ocean_ice_column added to test Ian Fenty's
965      pkg/seaice_growth.F modifications for improving sea ice code differentiability
966    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
967      (new velocity statistics after changing maskInW & maskInS definition)
968    o pkg/generic_advdiff with OBCS:
969      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
970      equivalent to assumption of no tracer gradient outside the OB region.
971      This will affect the results if using obcs+biharmonic diffusion.
972      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
973    o pkg/obcs:
974      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
975      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
976      in Interior region. No impact on solution but affects Velocity monitor stats.
977    o pkg/ptracers (adjoint)
978      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
979      tape file for each tracer
980    o model/inc/src and pkg/autodiff: add parameters that allow to turn
981      of parts of the adjoint code at run time. For now, there are only
982      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
983      parameters are set in data.pkg.
984      This is the lazy coward's version of doing this, but still useful for
985      debugging. In order to do it right, everything needs to be moved to
986      pkg/autodiff.
987    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
988      the end; this fixes the adjoint balancing code for open boundaries.
989    o pkg/ctrl:
990      - change behavior of xx_${varname}period to be analogous to exf-conventions:
991        xx_${varname}period =   0.,  means time-independent control part
992        xx_${varname}period = -12., means one-year-periodic monthly control part
993      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
994        clean up ctrl_init a little, remove unused variables
995      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
996      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
997    
998    checkpoint62u (2011/03/15)
999    o model/src:
1000      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
1001        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
1002      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
1003        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
1004    o pkg/ctrl/obcs/ecco:
1005      - remove obsolete, unused, and partially broken code:
1006        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
1007        ALLOW_CTRL_OBCS_BALANCE
1008      - put a stop statement into ecco/cost_obcsvol.F, but also add
1009        cost_obcsvol to ecco_ad_diff.list
1010    o pkg/ecco: fix counting cost function contributions for obcs (code
1011      by Matt M.) and diffkr for diagnostics
1012    o pkg/ecco, pkg/ctrl, pkg/grdchk:
1013      add cost penalty terms for initial uvel, vvel, eta controls
1014      and I/O for prior error files
1015    o pkg/mdsio:
1016       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
1017       (new argument) to check for tiled file in mdsioLocalDir : this fix the
1018       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
1019    o pkg/ctrl:
1020     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
1021       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
1022       unused and superfluous variables
1023     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
1024    o pkg/ecco
1025     - enable adjoint of Stevens OB
1026    o pkg/ctrl/ecco/grdchk:
1027      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
1028        Fortunately, we do not have any tests for the numerous cpp-flagged
1029        option of "obcs as control parameters" so we will never know
1030        if this is an improvement (but at least now things compile).
1031      - remove an obsolete initialization from ecco_cost_init_barfiles.F
1032      - fix some problems within never used ifdefs to make the code compile
1033    o pkg/obcs:
1034     - Refine Interior mask definition to work with more complex OB (e.g.
1035       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
1036       read in Interior mask from file. Check if Interior mask is consistent
1037       with OB list of indices.
1038    o pkg/seaice
1039     - beginning code for a seaice tracer package,
1040       but currently only used for seaice age: SEAICE_AGE
1041       SEAICE_num = 4
1042       iTracer = 1: area-weighted ice age
1043               = 2: volume-weighted ice age
1044               = 3, 4: template for one-year vs. multi-year ice
1045       data.seaice has new namelist SEAICE_PARM03 for arrays related to
1046       SEAICE_num
1047    
1048    checkpoint62t (2011/03/05)
1049    o pkg/obcs:
1050     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
1051       then normal component. This ensures that the normal component is set
1052       correctly even when it conficts with tangential setting from an other OB.
1053       Affects results of test-experiment seaice_obcs: update the output.txt
1054    o pkg/obcs:
1055     - add code to monitor statistics of dynamical fields at OB.
1056     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
1057       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
1058       - change default: balance the Net inflow through all OB (instead of balancing
1059         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
1060     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
1061       to match Nortern OB inflow (OBCS_balanceFacN=0).
1062    o pkg/seaice:
1063     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
1064    o pkg/seaice (seaice_growth v 1.113):
1065     - reverting seaice_growth to v 1.111 in order to have code with exact bit
1066       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
1067       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
1068       runtime flag SEAICEareaFormula is kept but is inactive
1069    o model/src:
1070     - add new param to scale curvilinear grid distance and area when using
1071       a different sphere radius from the grid-files.
1072     - test/check multi-threads EXCH applied to local variable (cg2d_x)
1073    o adjoint:
1074     - enable adjoint of Stevens OB
1075     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
1076       (a bit delicate because of potentially modified adj. common block structure;
1077       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
1078    
1079    checkpoint62s (2011/02/15)
1080    o pkg/seaice (seaice_growth v 1.112):
1081     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
1082       computing the ice cover tendency from effective thickness tendencies. Include
1083       Ian Fenty's formula.
1084     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
1085       SEAICEareaFormula.
1086     - simplify notations for the various d_HEFF/d_AREA terms.
1087    o pkg/gmredi:
1088     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
1089       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
1090       add a verification test-run (front_relax.bvp) to test GM_useBVP.
1091    o pkg/seaice (seaice_growth v 1.111):
1092     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
1093     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
1094       also melt ice.
1095    o pkg/seaice:
1096     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
1097     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
1098    o pkg/cheapaml:
1099     - from Nico Wienders: New version of this package.
1100    o pkg/flt:
1101     - add CPP options to prevent floats to re-enter the opposite side of
1102       a periodic domain (default: keep periodicity)
1103    o pkg/gmredi:
1104     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
1105       (needed for multi-dim advection).
1106     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
1107    o model/src:
1108     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
1109    o tutorial_tracer_adjsens
1110     - extend to NLFS and replace maskC by hFacC
1111       (change reference output accordingly)
1112    
1113    checkpoint62r (2011/01/24)
1114    o testreport:
1115     - add option -deloutp (-do) to remove output file after successful run
1116     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
1117       extract exact list of procs from this file ; adjust COMMAND by
1118       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
1119    o pkg/ecco: replace old ineffective way of penalizing deviations from
1120      first guess (of obcs) with code by Matt Mazloff
1121    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
1122      exf/cal
1123      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
1124        and handle case of obcs?period == 0
1125        Not affected by these changes: There is still an inconsistency in
1126        the computation of start/endrec for the obcs variables for ALLOW_CAL
1127        defined (see comment by Menemenlis, 7-Mar-2003)
1128      - make S/R ctrl_get_gen_rec return something meaningful even if
1129        ALLOW_CAL is not defined
1130      - ctrl_getobcs?: simplify code so that it does not need to use
1131                       S/R exf_swapfields
1132    o testreport:
1133       allow to test MPI with different number of processors for each experiment:
1134       create file "SIZE.h.mpi" in each build dir.
1135       Note: update of "-command" argument not yet implemented.
1136    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
1137      alleviate the need for additional 3D tapes when using
1138      the non-inear free surface in the adjoint. This is done
1139      by adding an 'update' of hfacc etc. to their current
1140      value at the beginning of forward_step.F.
1141    o pkg/seaice
1142      seaice_lsr: move stress-divergence computations out of outer pseudo-
1143      timestepping loop
1144    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
1145      up, so that the calls of the ctrl_* subroutines are really at the end
1146      of the routine.
1147    o pkg/gmredi:
1148      allow to specify a 2-D horizontal map and a 1-D vertical profil
1149      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
1150    o pkg/seaice:
1151      move lsr iterations from seaice_dynsolver to seaice_lsr.
1152    o pkg/seaice:
1153      reduce memory footprint of seaice mutldim advection tapes,
1154      by using a 2D tape independent of the generic_advdiff ones,
1155      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
1156    
1157    checkpoint62q (2010/12/29)
1158    o model/src:
1159      - check horizontal grid-spacing for unset or zero/negative values.
1160      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
1161    o pkg/flt:
1162      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
1163      - precision of input and output files set according to readBinaryPrec
1164        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
1165      - initial float position from tiled file was not converted to index space
1166        (looks like a bug): fixed to make it similar to initial pos. global file.
1167    o global_ocean.cs32x15:
1168       change SIZE.h of AD set-up to get same tiling as with MPI.
1169       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
1170    o model/src:
1171       add flag to control printing of domain fields (bathymetry, hFac ...) in
1172       ini_mask_etc (call to plot_fieds_xy*).
1173    o pkg/thsice:
1174       if useEXF, some forcing fields are not valid in overlap: fixed by computing
1175       over the interior only + apply EXCH at the end (like with SEAICE advection).
1176    o pkg/mdsio:
1177      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
1178        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
1179      - change barrier call for safe multi-threads access to 3-D shared buffer.
1180      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
1181      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
1182        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
1183    o pkg/flt:
1184      - add fourth-order Runge-Kutta integration
1185      - add basic exch2 support (only 1 facet supported so far!)
1186    o pkg/mdsio+rw:
1187      new S/R to read local (or tile independent) vector (read counterpart of
1188       mds_writevec_loc, and front-end write_glvec_rl/rs).
1189    o global_ocean.cs32x15: additional input_ad.seaice experiment
1190        that uses pkg/seaice rather than pkg/thsice.
1191        (using multidim advection for seaice)
1192    o towards more F95 syntax for array specification in namelist:
1193      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
1194        of all verification experiments.
1195           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
1196          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
1197      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
1198    o global_ocean.cs32x15: additional input.seaice experiment
1199        that uses pkg/seaice rather than pkg/thsice.
1200    
1201    checkpoint62p (2010/12/17)
1202    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
1203        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
1204    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
1205        allow for use of multim. advection in seaice adjoint.
1206    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
1207      - first attempt to close budgets by taking into account the freshwater
1208        flux implied by the sublimation of snow and ice. So far only the
1209        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
1210        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
1211    o eesupp/src:
1212      new S/R with new option (NML_EXTENDED_F77) to change array specification
1213      from F95 standard to commonly accepted extended F77 form.
1214      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
1215      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
1216      for less tolerant f77 compiler (e.g., pgf77, g77).
1217    o globalFiles:
1218      commented out in parameter file "data" since it's not safe with MPI
1219      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
1220      in this case); no longer commented out in restart test (tst_2+2).
1221    o add adTapeDir to specify a special directory where adjoint tapes are
1222      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
1223      and cannot be used together with mdsioLocalDir.
1224    o nesting pkgs:
1225      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
1226      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
1227      - add parameter files + utils dir + output from short run on beagle.
1228    o pkg/seaice:
1229        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
1230    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
1231      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
1232    
1233    checkpoint62o (2010/11/25)
1234    o pkg/exf:
1235      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
1236    o pkg/seaice:
1237      - seaice_ocean_stress: split a loop for better vectorization of the
1238        adjoint code
1239      - seaice_growth.F: fix bug in conservation of freshwater connected to
1240        capping of heff, put contribution into d_HEFFbyNEG
1241      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
1242        by something more sensible (parameters that are what their name implies)
1243      - change some defaults, so that by default exf-parameters are used for
1244        things like rhoAir, cpAir,latent/sensible heat parameters, in order
1245        to reproduce the old results, many data.seaice now contain funny values
1246        for cpAir and latent heat of sublimation
1247    o packages_readparms.F: move exf_readparms up in line so that
1248        exf-parameters are visible for other packages (e.g. seaice)
1249    o debugMode & debugLevel=2:
1250      - differentiate between debugMode & debugLevel=2:
1251        debugMode: controls printing of debug messages (sequence of S/R calls).
1252        debugLevel: controls printing of algorithm intermediate results and stats.
1253      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
1254        => allows to print debug-stats without all sequence of call messages.
1255      - switch control of debug print from debugLevel to debugMode in many S/R.
1256    o pkg/obcs (obcs-sponge):
1257        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
1258        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
1259    o pkg/generic_advdiff:
1260      - record overlap minimum size for each advection scheme;
1261      - refine criteria on overlap minimum size;
1262      - check and stop (in gad_check) if overlap size is too small.
1263    o pkg/obcs:
1264      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
1265        once, in ptracers_implicit.F)
1266      - with seaice: remove test on empty file name in obcs_apply_seaice (always
1267        apply OB values when tile has OB)
1268    o model/src, coriolis setting:
1269      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
1270        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
1271        files (selectCoriMap=3) with any grid.
1272      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
1273    o pkg/seaice/seaice_growth.F:
1274        a few cosmetic changes that reduce the number of lines of code
1275    o pkg/obcs: add boundary conditions following Stevens (1990)
1276      - the code follows old MOM/NAOSIM code
1277      - so far it is only implemented for the eastern and western boundaries
1278        and NOT for pTracers
1279    o pkg/rbcs:
1280      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
1281        beginning of the first rbcs forcing period.
1282      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
1283        offline package, i.e., one file per time, labeled by iteration number;
1284        deltaTrbcs sets the timestep with which the data was generated;
1285        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
1286      - rbcsForcingCycle=0 makes forcing non-cyclic.
1287      - make arithmetic safe for negative times and odd forcing periods.
1288    
1289    checkpoint62n (2010/11/09)
1290    o pkg/seaice:
1291        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
1292    o pkg/obcs:
1293       New S/R to copy tracer value from the OB location to narrow band region
1294        (width = same as overlap) beyond the OB: preserve OB value (needed for
1295        high-order scheme) which were overwritten by EXCH call if in overlap
1296        region. Applied to theta, salt, ptracer and advected seaice variables.
1297       With seaice: use maskInC in similar way as in gad_advection.F,
1298        in seaice_advection.F and advect.F.
1299       Update output of experiment seaice_obcs and change exp4 to test OBCS with
1300        4th order Adv.Scheme. for pasive salt and ptracer.
1301    o tools/genmake2:
1302      - when looking for an optfile (not specified), only search for Fortran compiler
1303        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
1304      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
1305        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
1306      - set default for CPP to "cpp -traditional -P" (was the case without specifying
1307        an optfile, but otherwise default was just "cpp".
1308      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
1309      - when "CC" is not set in the optfile, look for possible C compiler
1310        (instead of just setting CC=cc)
1311      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
1312        => add a ".F" to ".o" rule for source files with no "#include" (such as
1313           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
1314      - move gfortran before g77 in list of possible Fortran compiler (consistent
1315        with reference compiler switch from g77 to gfortran)
1316    o pkg/seaice:
1317      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
1318        seaice_check that stops the model, when the CPP flag is used.
1319      o seaice_growth.F: make capping of ice volume conserving by returning the
1320        capped ice as freshwater to EmPmR. This does not change the verification
1321        experiments but will change runs where the capping is acutally active
1322    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
1323      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
1324         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
1325         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
1326    o tools/genmake2:
1327      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
1328      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
1329      - clean previous genmake log files before anything else.
1330      - change Makefile to remove testreport log files (*.tr_log) and genmake log
1331        files only with "CLEAN" target (instead of "Clean");
1332    o pkg/generic_advdiff:
1333      Change OBCS in multiDim advection (gad_advection.F):
1334       Use maskInC to prevent intermediate update of tracer-field in OB regions,
1335       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
1336       which were applying future time-step OB values.
1337      This way, all explicit calculations use current-time-step OB values
1338       (simpler and more consistent).
1339      Affects results when set-up uses time-varying OBC and multi-dim advection;
1340       update output of experiment seaice_obcs.
1341    o pkg/seaice:
1342      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
1343       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
1344         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
1345      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
1346       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
1347       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
1348    o pkg aim (2010/10/26):
1349      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
1350        formulation with obliquity, eccentricity, ... as run-time parameters,
1351      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
1352        upward shortwave radition at the surface (all-sky and clear-sky).
1353    o pkg/obcs:
1354      - writing sections with globalFiles=T does not work: switch to tiled-files
1355        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
1356      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
1357      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
1358    
1359    checkpoint62m (2010/10/21)
1360    o pkg/seaice: vectorize seaice_solve4temp.F
1361      - move iterations loops outside of i/j-loops
1362      - requires 2D arrays for TB and effConduct
1363      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
1364        modified in this routine
1365      - a little bit of clean up, adjusting indentation, etc.
1366      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
1367        performance and '**TWO' by '**2' (because TWO is a float),
1368        replaced ONE, ZERO
1369    o eesupp/src:
1370       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
1371    o pkg/seaice/seaice_growth.F
1372      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
1373      merging process. The merged routine has two branches, and one activates the 'evolution'
1374      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
1375      In summary, here is what the '10/10 revision' did consist of
1376        part 1: seaice_growth.F revisions 1.71 to 1.75
1377          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
1378            The emphasis here was on improving readability (e.g. by trying to use meaningful
1379            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
1380        part 1.5:
1381          - revising the lab_sea experiment to make it a more useful (i.e. stable
1382            and representative of an actual model run). This was done by generating a
1383            (winter) pickup to start from, switching back the main experiment dynamic
1384            solver from evp to lsr, having one of the experiments use the free drift solution.
1385        part 2: seaice_growth.F revisions 1.76 to 1.85
1386          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
1387          - Sorting out the various fields units and sign (set early on and reset at the end)
1388            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
1389            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
1390          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
1391            and simplifying logical expressions to further improve readibility.
1392        part 3: seaice_growth.F revisions 1.86 to 1.89
1393          - Re-organize the blocks of code more logically.
1394          - Merging the '_if.F' pieces that add something new.
1395    o pkg/thsice:
1396      - vectorize thsice_solve4temp and thsice_get_exf.
1397        Problem: thsice_solve4temp has an unvectorizable statement that
1398        might also be problematic for TAF
1399      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
1400        does not change the verifcation experiment, but will change all
1401        experiments that have this flag undefined (not tested in verification);
1402        a little reorganization to save a few 2D fields and recomputations
1403      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
1404      - 2nd step:  fix some store dirs
1405        o seems to work somewhat, i.e. using ifort but not g77
1406        o likely cause are incomplete init. or recomputation
1407        o start verification/global_ocean.cs32x15/input_ad.thsice
1408    o pkg/obcs: add support for exch2
1409      - the position of the boundary and prescribed values are specified using
1410        a global domain with exch2 facets stacked
1411        - in x for N,S boundaries (like W2_mapIO=-1)
1412        - in y for E,W boundaries (so E,W boundaries do not overlap)
1413    o pkg/mdsio: add support for writing global sections with exch2
1414        file layout is as for obcs described above:
1415        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
1416        - for y-z sections, facets are stacked in y
1417    o pkg/thsice:
1418       - change a few routines for better vectorization: thsice_albedo.F,
1419         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
1420         not affected, but in particular the latter routine has changed
1421         dramatically (not necessarily easier to read now).
1422       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
1423       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
1424    o verification/lab_sea:
1425      - overhaul of the forward model experiments. The main motivation
1426        for this revision is that lab_sea has proven quite fragile (when
1427        changing the sea-ice code, and switching platforms) to a point
1428        when failures were very hard to attribute to specific code problems.
1429      - the suspected reason for this fragility is noise amplification by evp so,
1430        to start with, we decided to replace evp with lsr in the main experiment.
1431      - the input.lsr experiment thus became obsolete and was removed.
1432      - it was replaced with the input.fd experiment that uses an
1433        analytical "free drift" solution as the ice velocity field.
1434      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
1435        will hopefully allow us to discriminate problems due to dynamic solvers
1436        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
1437        us to test additional options, along with the salt plume package.
1438      - Finally a pickup was generated (at the end of a one year run) to
1439        make the tests more representative of an actual model run. Previously
1440        the tests starting point was a 1m thickness of ice everywhere.
1441    o pkg/seaice:
1442      - introducing S\R seaice_freedrift.F that compute the
1443        analytical solution to an approximate ice momentum
1444        equation (i.e. the simple stress/coriolis balance).
1445      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
1446        of the free drift velocity field, and enable its use.
1447        To actually use the free drift solution as the model ice
1448        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
1449    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
1450    
1451    checkpoint62l (2010/10/04)
1452    o pkg/seaice:
1453      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
1454      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
1455       version (with USE_ORIGINAL_SBI undef);
1456    o add hooks for new packages OASIS, the package will follow
1457      (hooks exclude the seaice pkg for now)
1458    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
1459      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
1460      rather than mdsio_readvector.F/mdsio_writevector.F, within
1461      adread_adwrite.F to read/write adjoint-related tapes to disk.
1462    o eesupp and pkg/mdsio: ALLOW_WHIO
1463      Option to write/read 2D fields to files including tiles halos.
1464      The main purpose is for adjoint related "tape I/O".
1465      The secondary purpose is for debugging phases.
1466      A word on those rather specifically intended purposes.
1467      The code was meant to be stripped down to the bare minimum.
1468      Typically, there is a unique and basic mapping to the global
1469      buffer (tile by tile, then proc by proc, then level by level), and
1470      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
1471      meant to generate user friendly outputs of various shapes and forms.
1472      Rather it is intended, for the knowledgeabale developers,
1473      to be largely independent of the many mdsio options, to allow
1474      outputs of tiles+halos in debugging phases and in adjoint runs,
1475      and to allow some flexibility in tuning (adoint) I/O depending on each
1476      file system behavior. With regard to tuning, most of the potential knobs
1477      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
1478      to specify directories, to specify the typical size of I/O calls, etc.)
1479      are not yet included, and will be added if they prove useful.
1480    o pkg/seaice:
1481       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
1482    o pkg/seaice:
1483       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
1484       code (seaice_budget_ice_if.F) which enable to recover old standard
1485       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
1486       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
1487    o model/src (rStar):
1488       use simple average (not area weighted) of rStarFac at U,V point when using
1489       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
1490       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
1491    
1492    checkpoint62k (2010/09/17)
1493    o adjoint
1494       * changed verification/global_ocean.cs32x15 ; adjoint now tests
1495         Adams-Bashforth 3 + NLFS + RSTAR
1496       * some more modifs required for ECCO-GODAE v4
1497    o pkg/seaice
1498       add SEAICE_AGE_VOL option to use volume instead of area for
1499       integrating SEAICE_AGE
1500    o model/src:
1501       first check-in of sigma & hybrid-sigma coordinate code ; also includes
1502       non-linear free-surface parts ; but pressure-gradient not yet coded.
1503    o pkg/ptracers:
1504       option for ptracer to convert Salt Relax into additional EmP.
1505        tested in exp. global_ocean.90x40x15.dwnslp (update output)
1506    
1507    checkpoint62j (2010/08/25)
1508    o pkg/ggl90:
1509       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
1510    o pkg/dic: car_flux.F, phos_flux.F
1511      - reduce number of exp-calls in order to improve performance
1512      - clean up a little (replace fields by their macros, etc., fix
1513        typo in CPP-flag)
1514    o pkg/ggl90: minor changes
1515      - GGL90diffKrS was removed --> always use GGL90diffKr
1516      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
1517      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
1518        (commented out for now)
1519      - change in max/min operations to ensure that smoothing is ok
1520      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
1521      - always use diffKrNrT as background profile (i.e. never use diffKr field)
1522    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
1523    o pkg/dic:
1524      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
1525        vectorization
1526      - small bug fix in insol for the unlikely case of a cartesian grid
1527      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
1528        + now vectorize, which also removes adjoint recomputations;
1529        + replace integer maksp1 by _RL maskp1
1530        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
1531    
1532    checkpoint62i (2010/07/21)
1533    o pkg/flt:
1534      - with OBCS: stop floats which enter the OB region
1535    o model/src:
1536      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
1537        for implicit vertical advection.
1538    o pkg/seaice:
1539     - account for melting in seaice age evolution.
1540     - remove double counting of seaice ridging effect on seaice age.
1541    
1542    checkpoint62h (2010/06/18)
1543    o pkg/exch2:
1544     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
1545    o tools/genmake2
1546      - remove "-pdefault" option: redundant with the use of "packages.conf";
1547      - remove file pkg/pkg_default : set the default as a pkg group
1548        ("default_pkg_list") defined in pkg/pkg_groups;
1549      - fix for case pkg/pkg_depend is missing (was hanging before);
1550      - add option "-pgroups" to specify a different pkg_groups than the default.
1551    o verification/adjustment.cs-32x32x1:
1552       add a "minimal" set-up test (code_min & input_min) which only compiles
1553       eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
1554    o tools/genmake2
1555      - extend pkg_depend rules to model & eesupp (e.g., if model depend on [pkg]))
1556      - fix details of checking for mnc & profile pkg when NetCDF is unavailable.
1557    o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these
1558      files are nearly the same anyway.
1559      Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04:
1560       - redefinition of tau(i,i) (by a factor of ustar)
1561       - 1./exf(Const/T) -> exf(-Const/T) (big change in the results)
1562       - replace rhonil by rhoConstFresh in computation of evap (bug fix)
1563       - replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results)
1564       - replace
1565         rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh )
1566         shn    = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j)
1567         by
1568         shn    = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh )
1569         (changes results)
1570       -> exf_bulkformulae v1.22,
1571          update verification experiments lab_sea, offline_exf_seaice, seaice_obcs
1572          (lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13,
1573                    output.txt 1.63
1574           offline_exf_seaice: output.seaicetd.txt 1.7
1575           seaice_obcs: output.txt 1.10)
1576      Step 2: do the actual merge and remove exf_bulk_largeyeager04.F
1577       -> exf_bulkformulae v1.23,
1578          unfortunately requires updating lab_sea.salt_plume (6 matching digits),
1579          and global_ocean.cs32x15.icedyn (only 11 matching digits)
1580      Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice.
1581    o adjoint of exch-1:
1582     - pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list)
1583       (note: was already like this when using EXCH-2) and remove flow dir
1584       and hand-written AD version of high-level EXCH S/R (pkg/autodiff);
1585     - provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow);
1586     - update pkg/exch2 diff list.
1587    
1588    checkpoint62g (2010/05/19)
1589    o eesupp/src (exch-1):
1590     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
1591       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
1592       (renamed to exch1_*rx_cube.F).
1593     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
1594       to call new exch1 S/R ; update Makefile and .cvsignore.
1595     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
1596       exch2_xy_rx later)
1597      Note: after updating your code, need to run "make clean" in eesupp/src
1598    o test experiment bottom_ctrl_5x5:
1599       new output_adm.txt with fewer grdchk & less monitor output.
1600    o model/src:
1601      remove the call to ini_cori in initialise_varia.F (just keep the usual one
1602       in initialise_fixed.F). More consistent with coriolis & horizontal grid
1603       beeing treated in the same way (ini_grid is not called a 2nd time).
1604    o pkg/exf:
1605    - rewrite exf_bulk_largeyeager04.F for better vectorization, changes    - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
1606    global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated    global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
1607    - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)    - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
# Line 18  o eesupp/src (exch-1): Line 1615  o eesupp/src (exch-1):
1615    - Message mode: move RecvAck setting (indicator of buffer being ready)    - Message mode: move RecvAck setting (indicator of buffer being ready)
1616      from send_put to recv_get S/R (was useless before, but not sure if      from send_put to recv_get S/R (was useless before, but not sure if
1617      it's much more useful now);      it's much more useful now);
1618    - switch the order of sync: MPI-proc 1rst and then threads;    - Switch the order of sync: MPI-proc 1rst and then threads;
1619    - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.    - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
1620      - fix AD code for communication mode ='get' (but not used).
1621  o model/src:  o model/src:
1622    initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does    initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
1623    not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).    not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
# Line 168  o tools/build_options: Line 1766  o tools/build_options:
1766      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
1767  o pkg/ecco  o pkg/ecco
1768    - allow user defined cost function contributions    - allow user defined cost function contributions
1769          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
1770          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
1771    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
1772        the two options are complementary.        the two options are complementary.
1773  o pkg/smooth  o pkg/smooth

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