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revision 1.1726 by jmc, Tue Aug 28 21:13:08 2012 UTC revision 1.1990 by mlosch, Wed May 7 10:24:19 2014 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/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
8       SEAICE_rhoIce in the Rothrock (1975)-type strength calculations
9       (bug fix)
10    
11    o model/src:
12      - since we have several heat capacity (even in model/src), define "recip_Cp"
13        as local variable (no longer in common block) to avoid any confusion.
14      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
15    o pkg/exf:
16      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
17        air density as function of air Temp, Humidity and atm pressure.
18    
19    checkpoint64w (2014/05/02)
20    o verification:
21      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
22        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
23        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
24        affects AD gradient (down to 8-7 matching digits for global_ocean and
25        5-6 for lab_sea).
26    seaice_reg_ridge.F seaice_do_ridging.F
27    o model/src: for atmosphere in p* coords:
28      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
29      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
30        but not yet activated.
31    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
32      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
33      - this changes the results (but not for any verification experiment, because
34        none tests this), but avoids having an extra field in the restart files
35    o pkg/seaice: remove global variable TICE (not needed)
36      - replace by TICES or local variable where necessary (cost_seaice_test,
37        seaice_diagnostics_state)
38      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
39      - use specific read/write routines for reading and writing individual leves
40        of a multilevel field
41    o pkg/ctrl & model/inc:
42      - move additional anomaly fields of control vars (related to options:
43         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
44        from DYNVARS.h into new header file: CTRL_FIELDS.h
45    o pkg/seaice: some small modifications to the ridging code
46      - make fw2ObyRidge a global variable and add the freshwater flux to
47        seaice_growth
48      - pass actual thickness from seaice_prepare_ridging, so that it is
49        computed only in one place and compute it in the same way as in
50        seaice_growth
51      - initialise more fields in seaice_do_ridging that where cause floating
52        point exceptions over land
53    o pkg/seaice: preparations for ridging code and first real ridging code
54      - move most of "PART 1" of S/R seaice_growth into a new and separate
55        S/R seaice_reg_ridge that will both regularize the state variable after
56        advection call the actual ridging routine;
57      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
58        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
59      - remove ridging code from seaice_advdiff
60      - clean up remaining part 1 of seaice_growth in an attempt to make it
61        more readable (this is probably subjective)
62      - call seaice_itd_redist once in the initialisation phase to have the initial
63        conditions in the correct category
64      - finally: add new ridging routine for ITD code
65    
66    checkpoint64v (2014/04/11)
67    o pkg/ecco:
68      - add runtime parameters mdt[start,end]date[1,2]
69      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
70    o pkg/seaice:
71      - make deltaC a global variable, so that it can be used in ridging code
72      - first step towards ridging: introduce new routines that compute
73        ice strength based on ridging parameters
74      - add diagnostic for HSNOWITD
75      - add opnWtrFrac as a global variable (required for ridging scheme)
76    o pkg/salt_plume + pkg/seaice/seaice_growth.F
77      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
78        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
79    o verification/hs94.1x64x5:
80      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
81      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
82    o autodiff:
83      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
84        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
85        For now, only in pkgs used in verification/hs94.1x64x5.
86      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
87        which are specific to TAF/TAMC).
88      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
89        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
90        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
91      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
92        building mitgcmuv_ad (make adAll).
93    o pkg/ecco:
94      - cost_gencost_seaicev4.F:
95         reformulate proxy cost as function of sst and local param SEAICE_freeze
96         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
97      - add stop statement if old names siv4-[sst,vol] are used
98      - add snapshots + cost reports for atmospheric longwave
99      - remove factor 0.1 in front of wtau[u,v]
100      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
101         ALLOW_TMI_SST_COST_CONTRIBUTION
102    o pkg/atm_phys:
103      - add some diagnostics for Short-wave and for convection S/R.
104    o pkg/seaice/seaice_growth:
105      - fix a bug in the lateral melt parameterization for SEAICE_ITD
106        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
107      - rearrange loop order for better vector code in the same code block
108      - rewrite the floeDiameter formula to have fewer divisions
109      -  (miraculously) none of this changes the results of seaice_itd
110    o pkg/smooth:
111      - move param smooth2Ddiffnbt to pkg/ecco
112    o pkg/salt_plume:
113      - salt_plume_frac.F:
114         clean up local param names
115         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
116    o pkg/rw:
117      - add RS version of S/R READ_MFLDS_LEV.
118    o pkg/streamice:
119      - fix the restart test by writing/reading pickup_streamice files.
120    o pkg/seaice:
121      - refine checks for jfnk-related parameters
122      - comment out if statement with SEAICEuseIMEX parameter as long as there
123        is no IMEX code to avoid confusion and surprises
124    
125    checkpoint64u (2014/03/07)
126    o verification/MLAdjust:
127      - rename secondary test suffix:
128         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
129         0.leithD -> AhFlxF  + switch to flux-form
130         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
131         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
132    o pkg/mom_vecinv:
133      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
134        to be before mom_calc_visc.F)
135      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
136      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
137        this is simpler for the adjoint and for diagnostics.
138    o model/src + pkg/momentum:
139      - add input files for  2-D additional Western and Southern cell-edge wall
140         (e.g., to add "thin-wall" where it is =1).
141      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
142        using 2nd hFacZ that is computed from initial (fix domain) hFac
143      - known limitations of thin wall implementation: not yet coded for sigma
144        coords; not working with CD-scheme neither.
145    o pkg/seaice:
146      - rename recently introduced parameters from (wrong name) AB to
147        BDF (backward difference time discretisation)
148      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
149    o tools/adjoint_options:
150      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
151    
152    checkpoint64t (2014/02/01)
153    o pkg/ecco
154      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
155        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
156      - replace hard-coded record number and period which only work for monthly
157        with read-in runtime param that works for other periods (month,day,year)
158    o pkg/thsice
159      - corrected store directive fixes thsice adjoint gradient checks
160    o genmake2 & testreport:
161      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
162        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
163        Update testreport accordingly. No need to set "export OPENAD=true"
164        in adjoint_options/adjoint_oad anymore (will be removed later).
165    o pkg/shelfice:
166      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
167        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
168        so that surface forcing applies to k=kSurf if using pkg/shelfice.
169    o pkg/ctrl, pkg/grdchk, pkg/ecco:
170      - Changes to make GENARR more modular (i.e. invisible if not used)
171    o model/src/temp_integrate.F and salt_integrate.F
172      - re-include store directives that were removed on Dec 27th.
173    o model/src/external_forcing_surf.F
174      - add storage directives for EmPmR and PmEpR to avoid recomputation of
175        seaice_model in the adjoint that is problematic when seaice_model is
176        turned off in the adjoint. The resolved issue dated back to July when
177        EXTERNAL_FORCING_SURF call was moved.
178        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
179    o pkg/exf/exf_check.F
180      - fix a small bug again (originally found by Wentao Liu, now found again)
181      - streamline error output
182    o pkg/streamice and aim_v23:
183      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
184        Apple's /usr/bin/cpp knows what to do:
185        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
186        Target: x86_64-apple-darwin13.0.0
187    
188    checkpoint64s (2014/01/05)
189    o tools/adjoint_options:
190      - switch to fastopt.net TAF server (instead of default fastopt.de) for
191        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
192    o model/src:
193      - remove some unnecessary TAF storage directives in forward_step.F and
194        in dynamics.F (note: not always removed by TAF, e.g., double storage
195        of kappaRU,kappaRV in former version of dynamics.F).
196    o model/src & pkg/ptracers:
197      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
198        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
199        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
200      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
201      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
202      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
203    o useSingleCpuInput separates single-CPU input from single-CPU output;
204        for now only implemented for in exf_interp_read.F
205    o verification/advect_xy:
206      - fix missing EXCH call in local version of ini_salt.F and update output.
207    o momentum diagnostics:
208      - fix which deltaT is used in Total-Tendency diagnostics.
209      - fix typo in diagnostics for momentum tendency from AB.
210    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
211        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
212    
213    checkpoint64r (2013/12/08)
214    o verification/*/results:
215      - Update reference output of experiments that were passing with just 13 digits
216         (make it easier to detect future changes in results)
217    o model/src & pkg/ptracers:
218      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
219        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
220        to inside ptracers_integrate.F ; remove ptracers_advection.F
221    o coupling interface pkgs:
222        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
223      - change the config check to test the agreement of Ocean Depth
224        with ATM land/sea mask (instead of ATM orography);
225      - send to coupler the number of coupler time-steps to do for this run:
226        this allows to check for consistency and don't need anymore to be
227        specified in parameter file "data";
228      in coupler:
229      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
230      - improve report to log-file of config setting (pass log-file unit to few S/R)
231    o pkg/compon_communic:
232      - add coupling send/receive for non-tiled integer vector;
233      - add S/R to check and stop if any proc has an error (similar to
234        eesupp/src/stop_if_error.F but single thread and across Comm_World).
235    o pkg/exch2:
236      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
237        through list of all tiles my proc owns.
238    o model/src:
239      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
240        from rTrans) to simplify dependencies (no need to store rTrans anymore in
241        calling S/R); this affects AD results at machine truncation level:
242        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
243        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
244    o tools/build_options:
245      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
246    o coupling interface pkgs:
247        [compon_communic, atm_compon_interf & ocn_compon_interf]
248      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
249        to each S/R that needs it; remove un-used variables.
250      - change component tile registration (cpl_register.F in both compon_interf
251        and mitcomponent_tile_register.F) to pass the full list of tiles
252        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
253      - with pkg/exch2: adopt the same convention used for I/O to define mapping
254        towards coupler global array (unless W2_useE2ioLayOut=F):
255         a) can now use different tiling between atm & ocn comp.
256         b) no needs to modify the run-Off map when changing tiling (was needed
257            even if using the same tiling between atm & ocn).
258         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
259            full land tiles); not yet tested.
260      - check for valid mapping from comp. tile to coupler global array
261      - improve report of tile registration results to log file.
262    o pkg/exch2:
263      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
264        tile-registration (CPL_REGISTER);
265      - activate (un-comment) definition and setting of "W2_tileIndex" list to
266        store the local bi,bj indices of each tile;
267      - also print bi,bj in local report to log file;
268      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
269        Jun 2009 modif of pkg/exch2).
270    o testing on baudelaire:
271      - run 2 tests at a time: no significant slow down (since enough cpu) and
272        get the full set of test done earlier
273      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
274    o model/src/thermodynamics.F and routines called from it:
275      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
276        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
277        velocity (outp) by adding bolus velocity.
278      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
279        mass transport from velocity + lateral grid cell area
280      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
281      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
282     in thermodynamics.F
283      - remove k from thermodynamics.F and move it to temp_integrate.F
284        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
285        loop).
286      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
287        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
288        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
289        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
290      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
291        global_ocean.90x40x15, tutorial_global_oce_biogeo and
292        tutorial_tracer_adjsens (+ TLM output).
293    o tools/OAD_support and (verification/*/) code_oad:
294      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
295        module conversion ; remove unneeded CPP_EEOPTIONS.h.
296      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
297        version (closer to model/inc/CPP_OPTIONS.h).
298    o model/src:
299      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
300        retired list of parameters (routine FREEZE has been replace by surface
301        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
302    o pkg/gmredi:
303      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
304        velocity (same scheme but affects machine truncation) for GM_AdvForm.
305      - update output of FWD experiments: front_relax.bvp,
306        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
307    
308    checkpoint64q (2013/11/17)
309    o verification:
310      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
311        tutorial_global_oce_biogeo and global_ocean.90x40x15.
312      - generate new output (growth & melt) for seaice_itd experiment after
313        updating the input pickup_seaice files (previously wrong).
314    o pkg/cost:
315      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
316        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
317        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
318          cannot be applied to var in common block).
319        o allows to get results independent of tile-per-proc setting (if using
320          slower GLOBAL_SUM_SEND_RECV option).
321      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
322        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
323        forward gradients: update output).
324      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
325        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
326    o pkg/mom_common:
327      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
328        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
329        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
330        ensure that all field value that are used are set.
331    o tutorial_deep_convection (smag3d):
332      - add missing scaling in mom_calc_smag_3d.F;
333      - set smag3D_coeff in input.smag3d such that results do not change.
334    o pkg/dic:
335      - change dic_cost.F to compute cost on each tile first and then apply
336        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
337        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
338      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
339    o eesupp/src & pkg/mdsio:
340      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
341        (from pkg/mdsio) since they are no longer used for tape IO.
342      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
343        (+ keep a copy in pkg/atm_ocn_coupler).
344    o verification/isomip:
345      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
346    o tools/build_options:
347      - optfile linux_amd64_ifort11, fast (no ieee) case:
348        to get a working restart for all experiments, add "-fp-model source"
349        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
350    
351    checkpoint64p (2013/10/20)
352    o pkg/autodiff:
353      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
354        criteria, return to simple (default) tape IO format.
355    o pkg/mdsio (+ eesupp/src):
356      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
357        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
358      - fix globalFile and singleCpuIO options using simpler global mapping.
359      - new pairs of scatter/gather vector S/R (one for each type, generated from
360        template) corresponding to simpler global mapping.
361      - adread_write.F: switch to new S/R (but leave old calls commented) and write
362        to globalFile when parameter globalFiles is set to True.
363      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
364    o pkg/autodiff:
365      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
366        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
367        missing, just add a STOP if array type do not match.
368    o pkg/exf:
369      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
370         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
371         and rename array obsSIce to exf_iceFraction.
372    o tutorial_deep_convection:
373      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
374        for now all in this exp. code dir.
375      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
376        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
377    o eesupp/src:
378      - added SINGLE_DISK_IO option because reading of parameter files on
379        very large number of processors did not work with existing set-up
380    
381    checkpoint64o (2013/09/25)
382    o pkg/atm_phys & atm_compon_interf:
383      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
384    o tools/build_options:
385      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
386        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
387        remove CPP setting (was identical to genmake2 default).
388    o pkg/gmredi & model/src: Some updating and work done on the residual model.
389      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
390      - fixed up the calculation of the eddy stress and how it is added to the
391        external forcing via taueddy_external_forcing.F
392      - at the moment, it is very experimental and only works with the variable eddy
393        diffusivity calculated in gmredi_k3d.F
394    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
395        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
396    o testreport (& tools/do_tst_2+2):
397      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
398    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
399      - remove CPP='cpp -traditional -P' (this is genmake2 default)
400      - add switch (for big setups) to use 'medium' memory-model (but leave it
401        commented out for now). Note: needed with FC 19 to compile big setups.
402    o pkg/atm_compon_interf:
403      - regroup per field origin (model & pkgs) the coupling storage routines
404         (which accumalate in time each coupling field)
405      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
406        update accordingly + simplify aim_do_physics.F
407    
408    checkpoint64n (2013/08/26)
409    o pkg/bbl:
410      - update formulation to reduce dispersion of tracer properties in bbl
411      - replaced horizontal and vertical transport parameters with velocities
412      - changes results for verification/global_with_exf.yearly
413    o verification/halfpipe_streamice:
414      - change to matrix construction; update both Fwd & AD output.
415    o verification/tutorial_tracer_adjsens:
416      - OpenAD test: switch to vector-invariant momentum since fluxform with
417        rStar causes problems with OpenAD; update output.
418    o tools:
419      - genmake2: define a common prefix for all temp-file names ; move them
420        to local /tmp disk (but would be easy to move them back);
421      - xmakedepend: apply the same switch for temp-files.
422    o pkg/offline:
423      - changes for use with rStar (NLFS): assume that we continue to provide
424        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
425        output files) and apply r* scaling at each time-step (function of the time
426        varying Eta field); use normal pickup files (needed for restart with NLFS).
427    o adjoint with OpenAD:
428      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
429        package openad.  This package has to be compiled for all runs with OpenAD
430        instead of specifying code_oad_all as a modification directory.
431      - link the fortran templates from tools/OAD_support to the build directory
432        for preprocessing to avoid conflicts between different setups compiled
433        simultaneously and simplify cleanup.
434    o pkg/exf:
435      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
436        main model or other pkgs are exchanged in EXF_MAPFIELDS).
437    o model/src:
438      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
439        (similar to do_fields_blocking_exchanges.F).
440    o tools/genmake2:
441      - remove TAF output src code just before calling staf (when not doing a fresh
442        built, will stop if things go wrong with staf).
443      - fix target "adobj" (left from TAF version-2 transition)
444    o pkg/diagnostics:
445      - add a parameter to track the status of pkg/diagnostics activation;
446        this replace/extend the use of logical param "settingDiags" (to check
447        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
448        New S/R to print error message and stop when pkgStatus is not right.
449      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
450    
451    checkpoint64m (2013/08/13)
452    o model/inc:
453      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
454        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
455    o pkg/kpp & aim_v23:
456      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
457    o pkg/seaice:
458      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
459        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
460      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
461    o eesupp/src:
462      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
463        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
464    o switch to TAF version-2:
465      - add flow directives to "freeze" naming convention for ad-routines that
466        are used in I/O routines of adjoint state and associated common blocks
467        that are used in adcommon.h (backward compatible with version-1)
468      - update all ad-optfiles (in tools/adjoint_options + few local to some
469        verification exp) to switch to latest TAF version (currently 2.5.5);
470        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
471        out except for diva).
472      - the major change with TAF version-2 is that both the differentiated
473        routines and the forward routines (new) are returned as part of the TAF
474        output source code. Update genmake2 accordingly.
475      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
476        with version-2 when compared to TLM or FWD gradient); other experiments
477        output show minor changes (machine truncation level); update the few AD &
478        TLM output with 12 matching digits only (some prior to version-2 switch).
479    
480    checkpoint64l (2013/08/05)
481    o model/src:
482      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
483      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
484        when using TAF but only if using OpenAD.
485    o pkg/mom_common+fluxform+vecinv:
486      - always set horiz. viscosity arrays to background value before calling
487        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
488        only when using variable horiz. viscosity (useVariableVisc=T);
489      - simplify mom_vecinv.F (only 1 block for momViscosity).
490    o pkg/mom_common: variable horiz. viscosity in NH code
491      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
492        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
493      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
494        useBiharmonicVisc & useVariableVisc.
495      - fix old bug (already in 1rst implementation of variable horizontal viscosity
496        in calc_gw.F, version 1.27, 2006/06/20):
497        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
498        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
499      - change background horiz viscosity in vertical momentum (gW) to always be
500        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
501        any type of variable viscosity, e.g., viscAh/4Grid)
502      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
503        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
504        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
505        default viscAh,viscA4 is zero).
506    o model/src:
507      - extend length of drC & recip_drC from Nr to Nr+1.
508    o Divided Adjoint (DIVA) with MPI:
509      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
510      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
511        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
512    
513    checkpoint64k (2013/07/23)
514    o tools/OAD_support:
515      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
516        and remove it from genmake2.
517    o tools/build_options:
518      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
519        MPI_HEADER_FILES list (let genmake2 find the missing headers)
520    o verification/halfpipe_streamice:
521      - change to driving stress formulation; update both Fwd & AD output.
522    o tools/genmake2 and Divided Adjoint with MPI:
523      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
524      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
525      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
526        Makefile, which is set by genmake2, and check which mpi-headers are needed.
527        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
528      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
529    o testreport:
530      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
531        perform additional runs (number of additional runs is "add_DIVA_runs" taken
532        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
533    o verification/lab_sea (AD test):
534      - change to test Divided Adjoint Run in this set-up (both standard AD test
535        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
536    o pkg atm_ & ocn_compon_interf:
537      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
538        staggerTimeStep implementation) and disable (retired) corresponding
539        parameter.
540    o pkg/offline:
541      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
542      - add S/R OFFLINE_CHECK to print offline parameter summary
543        and stop if loading a file that is not used;
544      - enable to calculate GMRedi tensor, KPP mixing and convective index
545        when the corresponding file(s) is/are not specified (but pkg is used).
546      - comment out resetting of monitorFreq (to endTime) since it still useful
547        for monitoring CFL numbers and checking offline fields.
548    o OpenAD:
549      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
550        smaller standard output) and generate new (smaller) output (on baudelaire
551        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
552    o model/src:
553      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
554        (where external_forcing_adjust was called) and change list of arguments;
555      - merge external_forcing_adjust.F into external_forcing_surf.F
556      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
557        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
558        previously in file "balance_relax.F", now removed); remove corresponding
559        arrays in FFIELDS.h.
560      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
561        a hack for getting back surfaceForcingS (loaded from file) when using
562        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
563      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
564        (was getting only 11 digits for AD-grad, due to different truncation
565         error in AD code).
566    
567    checkpoint64j (2013/07/04)
568    o pkg/offline:
569      - to enable the use of other features with pkg offline (e.g., obcs),
570        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
571      - comment out "allowFreezing" (now active) in 2 offline testing exp.
572    o pkg/exf ALLOW_RUNOFTEMP
573      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
574      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
575      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
576    o pkg/atm_phys:
577      - allows to add some damping on uVel,vVel (strength only function of k).
578    o verification, ad-tests:
579      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
580        global_ocean_ebm and offline_exf_seaice.thsice.
581    o verification/halfpipe_streamice:
582      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
583        flux input boundary conditions to be ignored; a fix for this bug changed
584        verification results for forward test.
585      - add adjoint test.
586    o pkg/ptracers:
587      - allow to restart without SOM pickup (resetting SOM to zero).
588    o pkg/gmredi:
589      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
590      - It uses mixing length theory and suppression by steering level effects to
591        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
592        to JPO, for more details).
593      - It also uses the diffusivity to calculate an eddy induced streamfunction
594        based on a PV closure (rather than a buoyancy closure as in GM).
595      - New files added to pkg/gmredi:
596        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
597          induced overturning streamfunction (called from gmredi_calc_tensor)
598        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
599          for use in gmredi_k3d
600        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
601          the eddy diffusivity
602    
603    checkpoint64i (2013/06/18)
604    o pkg/cheapaml:
605      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
606        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
607        with pkg/cheapaml.
608    o utils/python: add subpackage for cubed sphere function, first example is
609        simple cs.pcol to plot 2D fields on a map
610    o pkg/streamice:
611      - This is a new package in MITgcm, which solves dynamic equations for ice
612         sheets and ice streams
613      - At the moment it is independent of atmosphere/ocean dynamics, or any
614        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
615        ed that this will change)
616      - There is a new verification exercise that tests it, halfpipe_streamice,
617        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
618        rectangular embayment
619      - halfpipe_streamice is forward-only for now, will have TAF test soon
620      - for questions, email dgoldber@mit.edu
621    o pkg/thsice:
622      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
623        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
624      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
625         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
626      - allow precip from pkg/cheapaml to make snow over seaice.
627    o pkg/cfc:
628      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
629      - remove atmos CFC 2-D arrays from common bloc (now local variables)
630      - change some hard-coded constant to run time parameter for reading and
631        and interpolating atmospheric CFC ; keep same default as previously.
632      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
633      - put arguments in standard order: myTime, myIter, myThid
634      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
635        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
636      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
637      - new routine to print summary of CFC params and check for consistency.
638    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
639      similar to thsice_advdiff.
640      Note that for the B-grid case the routine parameters uc/vc are overwritten.
641    o pkg/cfc:
642      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
643        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
644      - fix interpolation of atmphspheric CFC between Sorthern and Northern
645        hemisphere value.
646    o pkg/seaice:
647      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
648    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
649                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
650      - requires an additional time level that is stored in the pickup
651      - you can start with AB2 from a pickup without this time level with
652        pickupStrictlyMatch = .false.
653    
654    checkpoint64h (2013/05/26)
655    o pkg/cheapaml:
656      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
657        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
658      - consistent treatment of uWind,vWind location: assume everywhere in
659        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
660        (Note: was already the case for Tair,Qair advection);
661        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
662      - compute diabatic forcing only in the interior (excluding overlap regions)
663      - fill in array "Qsw" (for short-wave heating);
664      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
665        before any update (consistent with MITgcm state var diagnostics);
666      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
667        non periodic ; + adjusted for uWind,vWind (C-grid).
668    o pkg/seaice:
669      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
670        add explicitly pkg/exf in experiments that currently use pkg/seaice.
671      - allows to compile pkg/seaice without pkg/exf.
672    o tools/OAD_support:
673      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
674        of array "ourStepOf" in function rvNextAction (revolve.F90).
675    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
676      - change pkg name (to be used with other atmospheric physics pkg)
677        but by-pass CVS when making the new pkg so that we keep the CVS history.
678    o pkg/offline:
679      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
680        (previously called from pkg/dic_surfforcing_init.F)
681    o model/src:
682      - re-order sequence of calls within packages_init_variables.F, using
683        standard order, except for:
684         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
685         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
686    o new pkg: atm_phys
687      - add entry point and source code (previously in contrib
688          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
689        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
690      - re-order sequence of calls within packages_readparms.F,
691         packages_init_fixed.F and packages_write_pickup.F
692        (but skip packages_init_variables.F because of TAF issues).
693      - update contrib/*/atm_gray/ experiment.
694    o pkg/seaice (ITD code):
695      - simplify and fix the writing of pickup-files for ITD case
696    o pkg/seaice (ITD code):
697      - introduce floe size dependent lateral melt for ITD case;
698      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
699      - update seaice_itd experiment main output.
700    o pkg/thsice:
701      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
702        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
703        changed accordingly pkg/atm2d.
704    
705    checkpoint64g (2013/05/01)
706    o pkg/exf ALLOW_RUNOFTEMP
707      - if defined,  river and glacier runoff temperature can be read-in from
708        runoftempfile; runoftempfile needs to have same format as runofffile
709    o pkg/thsice (& pkg/bulk_force):
710      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
711        for energy content of Precip + RunOff & Evap (like with pkg/exf).
712      - change computation domain to always be the interior (without overlap).
713      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
714    o verification/tutorial_global_oce_biogeo:
715      - add preliminary OpenAD setup (still has problems)
716    o pkg/seaice:
717      - turn some parameters for choosing the convergence criterion of
718        the inexact Newton method (JFNK) into runtime parameters for convenience
719      - clean up seaice_calc_viscosities.F: remove/retire two options for
720        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
721        the results of lab_sea/input because a division has been replaced by
722        a multiplication with the reciprocal (sumNorm)
723      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
724        convergence of solver (changes results, of course), and to test some
725        new features
726    o model/src:
727      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
728      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
729      - move forcing adjustment (balancing surface forcing) in specific S/R
730        where might also be applied exchanges (if needed) to forcing arrays.
731    o pkg/shelfice:
732      - allow to specify the Ice-Shelf mass per unit area (instead of
733        shelficeLoadAnomaly) and do the conversion from one to the other
734      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
735        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
736        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
737        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
738      - update isomip experiment forward output (get machine truncation error
739        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
740    o verification/offline_exf_seaice:
741      revise data.seaice in input.thermo and input_ad and update results accordingly
742        HO = 0.2, SEAICE_areaLossFormula = 2,
743        SEAICE_growMeltByConv = .TRUE.,
744        SEAICE_doOpenWaterMelt = .TRUE.,
745      Improve consistency with input.thsice and fix the spurious 500m ice corners
746    o verification/global_ocean.cs32x15:
747      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
748        in icedyn (thsice+seaice-dyn) test and update output.
749    o verification/offline_exf_seaice:
750      - adjust list of tested variables (with testreport) and update
751        standard test output with better slection of monitored fields.
752    o pkg/cd_code:
753      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
754        experiment lab_sea.hb87
755    o tools/genmake2:
756      - change default makedepend from the system default to tools/xmakedepend:
757        When no makedepend is specified, select tools/xmakedepend it the test pass,
758        otherwise select the system default (if exist and pass the test) or
759        try to build cyrus-makedepend ; stop if none of the 3 works.
760    o pkg/exf & pkg/thsice:
761      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
762        for energy content of Precip + RunOff & Evap. Assumes:
763       1) Rain has same temp as Air.
764       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
765       3) Run-Off comes at the temp of surface water (with same Cp)
766       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
767        put directly into Latent Heat flux & should use water-vapor heat capacity.
768       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
769        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
770    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
771        (compile when SEAICE_ALLOW_JFNK is defined)
772    o pkg/thsice:
773      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
774        implementation): move THSICE_AVE call after the advection (called directly
775        from thsice_do_advect.F).
776    o verification/global_ocean.90x40x15 and OpenAD:
777      New experiment for OpenAD is identical to the one in input_ad except that
778        multiDimAdvection=.FALSE.,
779      There is still an issue with this.
780    o pkg/thsice:
781      - account for ice velocity (ocean relative velocity) in turbulent heat flux
782        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
783        and offline_exf_seaice (main test).
784    
785    checkpoint64f (2013/03/31)
786    o verification/OpenAD:
787      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
788    o verification/isomip, pkg/shelfice and OpenAD:
789      - add OpenAD setup to this exp and make shelfice package work with OpenAD
790    o verification/tutorial_global_oce_biogeo:
791      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
792    o verification/offline_exf_seaice:
793      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
794    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
795      - add OpenAD setup to this exp and make ptracers package work with OpenAD
796    o pkg/seaice/seaice_evp.F:
797       mask the asymmetric contribution of the ice-ocean stress (when
798       the turningAngle is non-zero) over open water to avoid stripes
799       in the EVP-solutions after many EVP-substeps. This does not change
800       the verification experiment (because turningAngle=0 in that experiment),
801       but will affect other EVP solutions with turningAngle.ne.0
802    o verification, AD & TLM output:
803      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
804        additions and multiplications which affect results at machine truncation
805        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
806        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
807        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
808        digits of matching.
809    o pkg/seaice:
810       modify lsr-algorithm so that it vectorizes AND converges by using a
811       "zebra" method: split vector loop into two with step size 2; this
812       solves a general convergence problem for the JFNK solver on a vector
813       computer. It has the potential to even improve convergence for
814       non-vector machines, but it does change the results so it is turned
815       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
816       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
817    
818    checkpoint64e (2013/03/05)
819    o pkg/ecco and several verification experiments:
820       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
821       from ecco package, and revert to unified routine in model/src/
822       Adjust verification experiments accordingly, especially gloal_oce_llc90
823       Should conclude long-standing work by Gael to reconsile the_main_loop with
824       ECCO and will enable OpenAD's revolve loop in ECCO setup.
825    o pkg/generic_advdiff:
826      - implement compressible flow method for multi-dim advection (similar to
827        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
828        TAF generates many recomputations) to use it; no yet coded with implicit
829        vertical advection.
830      - change experiment advect_cs (new output) and advect_xy (same output)
831        to test compressible flow multi-dim advection.
832    o pkg/generic_advdiff:
833      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
834        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
835    o pkg/seaice:
836      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
837        bug affects two verification experiments (lab_sea and lab_sea.hb87),
838        recover old (wrong) results by setting noSlipFac = 2. in
839        seaice_calc_strainrates.F;
840      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
841      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
842        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
843      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
844    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
845      - new subroutines seaice_lsr_tridiagu/v
846      - introduce loop bounds i/jmin/max to be able to use a restricted
847        additive Schwarz method, but not used for now.
848      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
849      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
850    o OpenAD support
851       Reorganize S/R call for overall time-stepping loop to facilitate
852       OpenAD revolve loop replacement
853       (new S/R main_do_loop.F)
854    o model/src:
855      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
856      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
857        ADAMS_BASHFORTH2.
858    o pkg/cheapaml:
859      - add new parameter (default=F, same as before) to disable full domain
860        (including land) periodicity in X & Y dir.
861      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
862        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
863        into single S/R CHEAPAML_TIMESTEP.
864    
865    checkpoint64d (2013/02/17)
866    o pkg/monitor (angular momentum):
867      - do not add Eta contribution to the total AM if using rigid-lid;
868      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
869      - horizontal discretisation: compute Zonal wind contribution separately for
870        each component (instead of from cell centered averaged) and use the 4
871        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
872      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
873        FreeSurf) if using vectorInvariant momentum.
874    o model/src (horizontal grid):
875      - move initialisation of all horizontal grid arrays to null value
876        from specific horizontal grid S/R to main S/R INI_GRID;
877      - add 2 new arrays to project model C-grid velocity on to zonal direction
878        (similar to AngleCosC & -AngleSinC but at U and V point location) and
879        compute them in S/R CALC_GRID_ANGLES.
880    o pkg/seaice: replace a hard coded parameter by a runtime parameter
881        SEAICE_JFNK_tolIter
882    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
883        preconditioner for JFNK (run LSR into the overlaps as far as possible,
884        i.e OLx/y-2, but overwrite the solution in the overlaps)
885      - extend loop range in seaice_calc_viscosity
886      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
887      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
888      - slightly modify loops in tridiagonal solver lsr-preconditioner
889      - by default remove the extra exchange in seaice_preconditioner with a
890        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
891      - modify offline_exf_seaice so that old results without RAS are reproduced
892        for output.dyn_jfnk.txt
893      in seaice_fgmres.F (unrelated to RAS)
894      - add a cpp-flag option for a re-ordered mapping (potentially more
895        efficient), but because this changes the results, turn it off by
896        default
897      - replace the save statement by local common blocks
898    o utils/matlab:
899      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
900      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
901        instead of local script "load_cs.m".
902    o pkg/seaice:
903      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
904        to the scalarProductMetric and the unrolling. By chance this does not
905        change the verification experiment, because of the particular domain
906        decomposition
907    o pkg/diagnostics:
908      - change default missing_value from UNSET_RL to -999.
909    o pkg/layers: improve vectorization of layers_fluxcalc.F
910      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
911        time spent in this routine by more than a factor of 3 on an NEC-SX8
912      - step 2: replace search algorithm by a bisection algorithm found in
913        Press et al. Numerical Recipes in Fortran. This algorithm can be
914        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
915        For now, use this algorithm only for TARGET_NEC_SX defined.
916      - moved the search algorithm into a separate subroutine, that is kept
917        within the same file for automatic inlining.
918      - modified catching potential errors
919    o pkg/ecco:
920      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
921    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
922      - modifications for ALLOW_GENTIM2D_CONTROL
923      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
924      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
925      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
926      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
927    o model/src:
928      - account for moist thermodynamics in (dry) potential temperature equation;
929        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
930        and cpl_aim+ocn.
931      - also switch to standard compiler (gfortran, was using ifort previously)
932        for fizhi-cs experiments reference output.
933    o pkg/ctrl:
934      - 1st step toward generic time-varying control variable (2D) via CPP option
935        ALLOW_GENTIM2D_CONTROL
936      - note new namelist ctrl_nml_genarr in data.ctrl
937    o verification/global_ocean.cs32x15:
938      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
939        thsice calling sequence and update "output.icedyn.txt" output file.
940    o pkg/ptracers:
941      - from Ryan A.: code to allow to restart a tracer at regular time interval
942        specifying a reset frequency and a reset-phase (for each tracers).
943    o pkg/thsice:
944      - implement new sequence of calls for thsice+seaice:
945          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
946          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
947      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
948        in CPP_OPTIONS.h) to recover old sequence;
949      - update diagnostics for Intermediate State thsice diagnostics: now filled
950        just before advection (instead of just after advection in old sequence);
951      - update output of experiment offline_exf_seaice (standard test);
952      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
953        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
954    o pkg/aim_v23:
955      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
956      - use standard pkg/mdsio routines to read & write CO2 pickup file;
957      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
958      - Implement new sequence of calls for seaice advection (with thsice and
959        seaice diffusion): do ice advection after ice-Thermodynamic (previously
960        was done before); change aim_do_physics.F (split the bi,bj loops block);
961      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
962    o pkg/thsice:
963      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
964        where just seaice diffusion is used without seaice-dynamics.
965    
966    checkpoint64c (2013/01/18)
967    o pkg/seaice:
968      - add a parameter JFNKres_tFac that can replace JFNKres_t
969        (= JFNKres_tFac*JFNKresidual before JFNK solver)
970      - add a line search option to the JFNK solver
971      - move update of u/vIce and computation of initial residual into a separate
972        routine (same file); makes the code a little easier to read (?)
973      - the line search requires computation of the residual and for some reason
974        I cannot do the update of u/vIce at the beginning of the Newton loop
975        without changing the results, so we move computation of the new residual
976        also to the end of the Newton loop, even without the line search
977    o pkg/mdsio:
978      - write missing value (corresponding to undefined array value) to meta files;
979        skip this if missing value is one (UNSET_RL would be a better value for the
980        case of undefined missing value but it's current the default missing-value);
981        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
982    o pkg/exf & thsice:
983      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
984        diagnostics) even when SHORTWAVE_HEATING is #undef;
985    o verification/cfc_example:
986      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
987        illustrate how to use it).
988    o verification/offline_exf_seaice:
989      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
990        files to only one time-record.
991      in input.thermo: narrow the 2 bands of low initial ice-concentration near
992        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
993        snapshot output; same mcPheePiston value as in thsice with
994        surf-current=0.2m/s.
995      in input.thsice: similar set-up as in input.thermo (channel with same seaice
996        initial conditions).
997    o verification/cfc_example:
998      - update file "data" with more standard choice (default rotationPeriod,
999        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
1000        set deltaTFreeSurf to deltaTtracer) and update the output.
1001    o pkg/layers:
1002      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
1003      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
1004    o verification/offline_exf_seaice:
1005      - set all {field}period to zero for constant-in-time forcing (not tested
1006        anywhere else).
1007    o verification/offline_exf_seaice:
1008      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
1009      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
1010    o model/src:
1011      - implement Finite-Volume method for (hydrostatic) presure gradient
1012        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
1013    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
1014      - In order to be compatible with the default EVP code, this requires changing
1015        the EVP code around a little; and because any small change immediately
1016        breaks the lab_sea.hb87 verification experiment, the reference output is
1017        updated two times (each time the remaining aggrement was only 2 digits):
1018        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
1019        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
1020        The adjoint test lab_sea.evp also needed to be updated.
1021      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
1022        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
1023        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
1024        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
1025        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
1026        kept obscure, because I need to test it a little more.
1027    o pkg/cheapaml:
1028      - fix few incorrect type (_RL/_RS) in subroutine calls.
1029    o pkg/seaice:
1030      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
1031        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
1032    o model/src:
1033      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
1034        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
1035        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
1036    o pkg/cheapaml:
1037      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
1038        update output of experiment cheapAML_box.
1039      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
1040        and set them only in one place (cheapaml_readparms.F).
1041      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
1042      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
1043        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
1044    o model/src/the_main_loop.F:
1045      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
1046    o pkg/seaice:
1047      - remove legacy branch code.
1048      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
1049    o verification/*/code*/SEAICE_OPTIONS.h:
1050      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
1051        SEAICE_CAP_HEFF).
1052    o pkg/cheapaml:
1053      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
1054        to load new forcing fields.
1055      - add missing "_d 0" where it's needed; + some editing (improve indentation).
1056      - remove switch to "-r8" compiler option (no longer needed) in verification
1057        cheapAML_box, keep same output (small trucation error differences).
1058    o verification/offline_exf_seaice:
1059      - add thermodynamics only test.
1060    o verification/cheapAML_box:
1061      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
1062        keep same output (same 14 digits for cg2d).
1063      - switch on "-r8" compiler option (some numerical values are missing
1064        the "_d 0") and update output (only 6 digits for cg2d were preserved).
1065    
1066    checkpoint64b (2012/12/24)
1067    o pkg/cheapaml:
1068      - remove un-used variables (Qnet,EmPmR) from pickup files.
1069      - store tendency of advected variables into cheapaml pickup file
1070        and fix the AB-2 restart.
1071    o verification/offline_exf_seaice and lab_sea adjoint:
1072      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
1073      - switch to 4 time steps in offline, consistent with lab_sea.
1074      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
1075      - update results after change of experiment seaice.
1076    o pkg/seaice:
1077      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
1078        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
1079        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
1080        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
1081    o model/src:
1082      - add run-time parameter to select CG2D solver minimum-residual solution
1083        (in case of a poor convergence).
1084    o pkg/seaice/seaice_lsr.F
1085      - move calculation of matrix coefficients into new
1086        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
1087        file; the main purpose of this change is to be able to reuse the code
1088        in S/R SEAICE_PRECONDITIONER
1089      - modify the computation of the residual so that the mass of sea-ice
1090        is not used twice; this simplifies the calculations, but since
1091        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
1092        not tested in testreport---this does not affect the testreport results.
1093    o verification/seaice_obcs:
1094      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
1095        verification/lab_sea/input.salt_plume; changes results/output.txt*
1096    o model/src:
1097      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
1098    o pkg/seaice:
1099      - improve description of parameters in seaice_fgmres.F and start
1100        cleaning up the code
1101      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
1102        second argument
1103      - add a metric based on grid cell area to SEAICE_SCALPROD; update
1104        results of offline_exf_seaice.dyn_jfnk
1105      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
1106    o pkg/aim_v23:
1107      - fix an other bug in dissipation heating (grid-cell area was missing).
1108    o model/src + pkg/seaice:
1109      - add global (multi-tile) linear solver for pair of tri-diagonal system
1110        along X and Y lines, respectively for U and V component.
1111        Note: 1) MPI and cube-exchange not yet coded.
1112            2) probably not accurate for poorly conditioned / large size problem.
1113      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
1114        default: not compiled and not used.
1115    o pkg/seaice:
1116      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
1117        introduce bi/bj loops and use global_sum_tile_rl instead of
1118        mpi_allreduce in seaice_fgmres.F
1119      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
1120      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
1121      - add a verification experiment for JFNK in offline_exf_seaice
1122    o verification:
1123      - change (for now, only fwd test) offline_exf_seaice experiment:
1124        use a re-entrant channel with idealized coastline (trapezoidal shape)
1125        at southern boundary to explore seaice dynamics and thermodynamics
1126        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
1127        secondary test (input.thsice) use thermodynamics only with SST relaxation.
1128      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
1129    o pkg/exf:
1130      - disable "sstExtrapol" when Nr=1
1131    o verification:
1132      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
1133        to test pkg/cheapaml.
1134    o pkg/aim_v23 & pkg/shap_filt:
1135      - fix dissipation heating (erroneous gravity multiplication factor).
1136    o pkg/seaice:
1137      - remove unused field pressPre from jfnk solver
1138      - rename two subroutines in seaice_preconditioner.F
1139    o eesupp/src:
1140       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
1141    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
1142       - remove wrong parts of the rhs and the lhs (were in there
1143         because I did not understand the concept of this preconditioner)
1144       - add an exchange between u- and v-sweep. This increases communication
1145         by a factor of two but improves the convergence of jfnk. Ideally,
1146         one would like the u- and v-sweep to be independent. So far within
1147         undocumented ifdefs
1148       - reorganize the extra computations for printing the residuals
1149    o tools/genmake2:
1150      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
1151        since it's not necessary (and was preventing to use MNC in some cases).
1152    
1153    checkpoint64a (2012/11/16)
1154    o pkg/autodiff:
1155      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
1156        autodiff_readparms.F no longer depends on calling order (within
1157        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
1158        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
1159        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
1160    o pkg/obcs:
1161      - adding tidal velocity forcing capability to obcs
1162        for usage example, see verification/seaice_obcs/input.tides
1163    o pkg/seaice:
1164      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
1165        SEAICE_LSRrelaxU/V
1166      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
1167    o pkg/aim_v23:
1168      - implement heating from friction (bottom friction and stratospheric drag).
1169    o pkg/shap_filt:
1170      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
1171        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
1172    o model/src:
1173      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
1174        time-constant addMass field from file (addMassFile);
1175      - support for heating due to friction (and Kinetic Energy dissipation):
1176        add option, run-time switch and 3-D field array + support code ; each pkg
1177        or S/R can add heating contribution (if there is a sink of KE); the sum is
1178        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
1179    o pkg/seaice:
1180      - complete merge of ITD code into seaice_growth.F
1181        from MITgcm_contrib/torge/itd/code/
1182        no verification so far, but Torge Martin tested
1183        "1-D test case and Beaufort set up;
1184        deliver okay results after 1 model year."
1185      - complete merge of SEAICE_SIZE.h into all relevant routines
1186      - move computation of eta at Z-points into calc_viscosities
1187        + introduce global field etaZ
1188        + add different methods for computing etaZ, for now the old
1189          method (simple averages of eta to Z-points) is hardwired
1190        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
1191          seaice_preconditioner
1192      - simplify computations for SEAICE_ZETA_SMOOTHREG
1193      - seaice_preconditioner:
1194        + replace one remaining press by pressLoc (mistake)
1195        + adjust printing of residuals
1196      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
1197        + add (SEAICE.h) and rename some counters (initiliased in
1198          seaice_init_fixed.F)
1199        + add _BEGIN/END_MASTER (myThid)  around print statements
1200        + print total number of iterations and failures over SEAICE_monFreq
1201          interval to STDOUT
1202      - move control over output-messages by fgmres to seaice_jfnk to save
1203        some operations
1204      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
1205        in order to make restarts with sol .ne. zero (fgmres with restarts)
1206        (seaice_jfnk.F, seaice_fgmres.F)
1207      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
1208        a serious convergence problem when open boundaries are involved
1209    o pkg/ggl90: fix computation of control volumes for the case of
1210      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
1211      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
1212    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
1213    o pkg/autodiff
1214      - Add inAdMode switch for SEAICEuseDYNAMICS:
1215        SEAICEuseDYNAMICSinAdMode
1216        (extend logic in ADAUTODIFF_INADMODE_SET)
1217    o pkg/seaice
1218      - Step 1 of merging ice-thickness distribution (ITD) code from
1219        MITgcm_contrib/torge/itd/ (author: Torge Martin)
1220        The code implements concept laid out in Thorndike et al. (1975);
1221        code is enabled via CPP flag SEAICE_ITD
1222        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
1223        code is not complete yet!!
1224      - SEAICE_SIZE.h now included in almost all seaice routines
1225    o verification (using seaice):
1226      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
1227        global_ocean.cs32x15.seaice ; update results.
1228      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
1229      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
1230        offline_exf_seaice (previously compiling B-grid).
1231    o pkg/exf:
1232      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
1233        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
1234        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
1235    o pkg/layers (adjust changes from Sept 19):
1236      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
1237        this allows to remove "layers_maxNum" dimension from all layers arrays.
1238    o pkg/layers (adjust changes from Sept 19):
1239      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
1240      - snap-shot extended to all type of layers (not just the 1rst type);
1241      - remove layers variables when corresponding CPP option is undef.
1242    o pkg/layers:
1243      - rename pkg/layers variable and add new output (layer exist & un-weighted
1244        velocity in layer)
1245    o pkg/seaice:
1246      - simplify (?) ocean-drag coefficent computations by using
1247        the same routine in all three solvers (saves some code lines)
1248      - remove global fields DRAGA and DRAGS from C-grid code and
1249        declare them locally in lsr.F (the only place where they are
1250        still used)
1251      - update AD output of lab_sea.evp (very sensitive anyway).
1252    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
1253      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
1254      and SEAICEuseJFNK=.true. A few things to note:
1255      - involves a FGMRES, that is parallel but very inefficient,
1256        because of many scalar products (global sums) in the Gram-Schmidt
1257        orthogonalization method. Needs to be replaced. Original code
1258        from J.-F. Lemieux
1259      - preconditioner for FGMRES is a stripped down version of LSOR
1260      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
1261        preconditioner. For the preconditioner, the default is set to 10.
1262      - Jacobian times vector is computed with finite differences
1263      - marginally related to JFNK-solver: add a smooth regularization for
1264        zeta with tanh that will improve convergence (Lemieux and Tremblay,
1265        2009) for any implicit solver (not implemented for EVP because EVP
1266        does not need this regularization in the first place). Define
1267        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
1268    o eesupp/src:
1269      - check in genmake2 that intrinsic S/R flush is available.
1270      - add S/R to flush IO unit (if intrinsic S/R flush is available)
1271      - flush standard & error msg unit before MPI termination
1272      - if debugMode, flush IO unit after printing msg
1273    o pkg/ctrl:
1274      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
1275        to ctrl_set_unpack_xyz.
1276    
1277    checkpoint64 (2012/10/09)
1278    o pkg/shelfice
1279      - in mom_fluxform.F, mom_vecinv.F:
1280        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
1281        Bug fix KappaRU -> KappaRV
1282        does not change verification/isomip but may change other setups
1283        (presumably constant KappaRU=KappaRV)
1284      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
1285    o pkg/obcs:
1286      - fixed some indexing bugs in obcs_seaice_sponge.F
1287      - added obcs relaxation subroutines for HSALT and HSNOW
1288      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
1289    o pkg/seaice:
1290      - add "multicategory" parameterization for snow in analogy to ice,
1291        default is off for now.
1292    o pkg/obcs:
1293      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
1294        see verification/seaice_obcs/input.seaiceSponge for example application.
1295      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
1296        index setting by master-thread. This fix multi-threads Pb in previous modifs.
1297    o pkg/layers :
1298      - add diagnostics to pkg/layers
1299      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
1300        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
1301    o pkg/generic_advdiff/gad_implicit_r.F :
1302      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
1303    o pkg/seaice/seaice_growth.F:
1304      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
1305    o pkg/obcs:
1306      - change default setting of OBCS_UVICE_OLD from defined to undef;
1307      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
1308        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
1309      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
1310      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
1311        with Southern & Western OB at a tile edge (at least in a simple set-up).
1312    o pkg/obcs:
1313      - change settings of OB index in case OB coincides with tile edge (shared by
1314        2 tiles), so that common OB location is registered by both tiles (instead of
1315        only 1). However, for Southern and Western OB, index value = 0 is not
1316        recognized as valid OB index (=default null value) and needs to be fixed.
1317      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
1318      - new parameter "OB_indexNone" for null index value (for now, still zero)
1319        to replace hard-coded null index value of zero.
1320    o pkg/exch2:
1321      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
1322        always check buffer-size (but outside the loop); move checking for valid
1323        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
1324        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
1325    o pkg/ctrl (pack & unpack):
1326      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
1327        (locally defined) for different variables (+ remove the variable-specific
1328        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
1329        (to be extended to other local file names in ctrl.h).
1330    o pkg/flt:
1331      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
1332    o pkg/mdsio:
1333      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
1334    o tools/genmake2:
1335      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
1336        (added by Alistair in version 1.51 for building without make depend);
1337      - remove Header files list (H_SRC_FILES) from the dependence of targets
1338         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
1339        place in version 1.23): this save going through staf when unrelated header
1340        file has been modified.
1341       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
1342        "make depend" step, still need to do "make links" before "make adtaf".
1343    o eesupp/src (+ few pkg src files) & genmake2:
1344      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
1345      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
1346      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
1347         upper/lower case ; account for space between "#" and undef/define)
1348    o pkg/flt (with exch2):
1349      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
1350      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
1351    
1352    checkpoint63s (2012/09/05)
1353    o pkg/ecco:
1354      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
1355      - add more relevant #ifdef ALLOW_SMOOTH ones.
1356      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
1357    o pkg/ctrl:
1358      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
1359        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
1360      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
1361        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
1362        ctrlSmoothCorrel3D (new).
1363        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
1364      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
1365      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
1366        controls when useAtmWind, and vice versa.
1367      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
1368      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
1369          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
1370      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
1371          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
1372      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
1373        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
1374    o pkg/smooth:
1375      - remove un-necessary includes.
1376      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
1377        Those CPP options were never defined, and not necessary.
1378    o model/src:
1379      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
1380      - standard treatment of useSMOOTH.
1381    o pkg/autodiff:
1382      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
1383        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
1384    o pkg/exch2:
1385      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
1386        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
1387      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
1388        and tiles to process mapping.
1389      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
1390        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
1391        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
1392        from w2_eeboot.F to w2_readparms.F.
1393    o eesupp/src:
1394      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
1395        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
1396        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
1397      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
1398        is defined (remove condition on usingMPI) to match cases where MPI_INIT
1399        has been called.
1400      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
1401      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
1402        (so that on 1 proc, get same myPid independently of usingMPI)
1403      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
1404        useCubedSphereExchange with EXCH-1 (safer).
1405      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
1406    o pkg/ggl90:
1407      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
1408        used in ALLOW_GGL90_SMOOTH code.
1409    o pkg/flt:
1410      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
1411        floats at the Southern end of the domain).
1412    o eesupp/inc:
1413      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
1414        but not used (and not to be used) anywhere, just for documentation.
1415    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
1416      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
1417        a) can damage previously written records in any other multi-record files.
1418        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
1419  o tools/genmake2:  o tools/genmake2:
1420    - define variable MAKE within Makefile and use it in place of 'make';    - define variable MAKE within Makefile and use it in place of 'make';
1421    - update AD_CONFIG.h (if needed) before building any of the executable    - update AD_CONFIG.h (if needed) before building any of the executable
# Line 11  o tools/genmake2: Line 1423  o tools/genmake2:
1423      and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;      and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
1424    - always print usual warning comment 'this file is automatically generated'    - always print usual warning comment 'this file is automatically generated'
1425      from script convert_cpp_cmd2defines (+ remove this warning from genmake2).      from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
1426    o pkg/cheapaml:
1427      - updated to correspond to the code used in accepted paper (Nico Wienders).
1428  o pkg/exf:  o pkg/exf:
1429      added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.      added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
1430      ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)      ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)

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