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revision 1.1814 by jmc, Wed Jan 23 17:12:35 2013 UTC revision 1.1987 by jmc, Fri May 2 18:33:17 2014 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint64w (2014/05/02)
8    o verification:
9      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
10        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
11        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
12        affects AD gradient (down to 8-7 matching digits for global_ocean and
13        5-6 for lab_sea).
14    seaice_reg_ridge.F seaice_do_ridging.F
15    o model/src: for atmosphere in p* coords:
16      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
17      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
18        but not yet activated.
19    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
20      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
21      - this changes the results (but not for any verification experiment, because
22        none tests this), but avoids having an extra field in the restart files
23    o pkg/seaice: remove global variable TICE (not needed)
24      - replace by TICES or local variable where necessary (cost_seaice_test,
25        seaice_diagnostics_state)
26      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
27      - use specific read/write routines for reading and writing individual leves
28        of a multilevel field
29    o pkg/ctrl & model/inc:
30      - move additional anomaly fields of control vars (related to options:
31         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
32        from DYNVARS.h into new header file: CTRL_FIELDS.h
33    o pkg/seaice: some small modifications to the ridging code
34      - make fw2ObyRidge a global variable and add the freshwater flux to
35        seaice_growth
36      - pass actual thickness from seaice_prepare_ridging, so that it is
37        computed only in one place and compute it in the same way as in
38        seaice_growth
39      - initialise more fields in seaice_do_ridging that where cause floating
40        point exceptions over land
41    o pkg/seaice: preparations for ridging code and first real ridging code
42      - move most of "PART 1" of S/R seaice_growth into a new and separate
43        S/R seaice_reg_ridge that will both regularize the state variable after
44        advection call the actual ridging routine;
45      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
46        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
47      - remove ridging code from seaice_advdiff
48      - clean up remaining part 1 of seaice_growth in an attempt to make it
49        more readable (this is probably subjective)
50      - call seaice_itd_redist once in the initialisation phase to have the initial
51        conditions in the correct category
52      - finally: add new ridging routine for ITD code
53    
54    checkpoint64v (2014/04/11)
55    o pkg/ecco:
56      - add runtime parameters mdt[start,end]date[1,2]
57      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
58    o pkg/seaice:
59      - make deltaC a global variable, so that it can be used in ridging code
60      - first step towards ridging: introduce new routines that compute
61        ice strength based on ridging parameters
62      - add diagnostic for HSNOWITD
63      - add opnWtrFrac as a global variable (required for ridging scheme)
64    o pkg/salt_plume + pkg/seaice/seaice_growth.F
65      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
66        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
67    o verification/hs94.1x64x5:
68      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
69      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
70    o autodiff:
71      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
72        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
73        For now, only in pkgs used in verification/hs94.1x64x5.
74      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
75        which are specific to TAF/TAMC).
76      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
77        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
78        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
79      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
80        building mitgcmuv_ad (make adAll).
81    o pkg/ecco:
82      - cost_gencost_seaicev4.F:
83         reformulate proxy cost as function of sst and local param SEAICE_freeze
84         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
85      - add stop statement if old names siv4-[sst,vol] are used
86      - add snapshots + cost reports for atmospheric longwave
87      - remove factor 0.1 in front of wtau[u,v]
88      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
89         ALLOW_TMI_SST_COST_CONTRIBUTION
90    o pkg/atm_phys:
91      - add some diagnostics for Short-wave and for convection S/R.
92    o pkg/seaice/seaice_growth:
93      - fix a bug in the lateral melt parameterization for SEAICE_ITD
94        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
95      - rearrange loop order for better vector code in the same code block
96      - rewrite the floeDiameter formula to have fewer divisions
97      -  (miraculously) none of this changes the results of seaice_itd
98    o pkg/smooth:
99      - move param smooth2Ddiffnbt to pkg/ecco
100    o pkg/salt_plume:
101      - salt_plume_frac.F:
102         clean up local param names
103         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
104    o pkg/rw:
105      - add RS version of S/R READ_MFLDS_LEV.
106    o pkg/streamice:
107      - fix the restart test by writing/reading pickup_streamice files.
108    o pkg/seaice:
109      - refine checks for jfnk-related parameters
110      - comment out if statement with SEAICEuseIMEX parameter as long as there
111        is no IMEX code to avoid confusion and surprises
112    
113    checkpoint64u (2014/03/07)
114    o verification/MLAdjust:
115      - rename secondary test suffix:
116         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
117         0.leithD -> AhFlxF  + switch to flux-form
118         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
119         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
120    o pkg/mom_vecinv:
121      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
122        to be before mom_calc_visc.F)
123      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
124      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
125        this is simpler for the adjoint and for diagnostics.
126    o model/src + pkg/momentum:
127      - add input files for  2-D additional Western and Southern cell-edge wall
128         (e.g., to add "thin-wall" where it is =1).
129      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
130        using 2nd hFacZ that is computed from initial (fix domain) hFac
131      - known limitations of thin wall implementation: not yet coded for sigma
132        coords; not working with CD-scheme neither.
133    o pkg/seaice:
134      - rename recently introduced parameters from (wrong name) AB to
135        BDF (backward difference time discretisation)
136      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
137    o tools/adjoint_options:
138      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
139    
140    checkpoint64t (2014/02/01)
141    o pkg/ecco
142      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
143        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
144      - replace hard-coded record number and period which only work for monthly
145        with read-in runtime param that works for other periods (month,day,year)
146    o pkg/thsice
147      - corrected store directive fixes thsice adjoint gradient checks
148    o genmake2 & testreport:
149      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
150        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
151        Update testreport accordingly. No need to set "export OPENAD=true"
152        in adjoint_options/adjoint_oad anymore (will be removed later).
153    o pkg/shelfice:
154      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
155        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
156        so that surface forcing applies to k=kSurf if using pkg/shelfice.
157    o pkg/ctrl, pkg/grdchk, pkg/ecco:
158      - Changes to make GENARR more modular (i.e. invisible if not used)
159    o model/src/temp_integrate.F and salt_integrate.F
160      - re-include store directives that were removed on Dec 27th.
161    o model/src/external_forcing_surf.F
162      - add storage directives for EmPmR and PmEpR to avoid recomputation of
163        seaice_model in the adjoint that is problematic when seaice_model is
164        turned off in the adjoint. The resolved issue dated back to July when
165        EXTERNAL_FORCING_SURF call was moved.
166        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
167    o pkg/exf/exf_check.F
168      - fix a small bug again (originally found by Wentao Liu, now found again)
169      - streamline error output
170    o pkg/streamice and aim_v23:
171      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
172        Apple's /usr/bin/cpp knows what to do:
173        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
174        Target: x86_64-apple-darwin13.0.0
175    
176    checkpoint64s (2014/01/05)
177    o tools/adjoint_options:
178      - switch to fastopt.net TAF server (instead of default fastopt.de) for
179        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
180    o model/src:
181      - remove some unnecessary TAF storage directives in forward_step.F and
182        in dynamics.F (note: not always removed by TAF, e.g., double storage
183        of kappaRU,kappaRV in former version of dynamics.F).
184    o model/src & pkg/ptracers:
185      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
186        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
187        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
188      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
189      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
190      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
191    o useSingleCpuInput separates single-CPU input from single-CPU output;
192        for now only implemented for in exf_interp_read.F
193    o verification/advect_xy:
194      - fix missing EXCH call in local version of ini_salt.F and update output.
195    o momentum diagnostics:
196      - fix which deltaT is used in Total-Tendency diagnostics.
197      - fix typo in diagnostics for momentum tendency from AB.
198    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
199        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
200    
201    checkpoint64r (2013/12/08)
202    o verification/*/results:
203      - Update reference output of experiments that were passing with just 13 digits
204         (make it easier to detect future changes in results)
205    o model/src & pkg/ptracers:
206      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
207        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
208        to inside ptracers_integrate.F ; remove ptracers_advection.F
209    o coupling interface pkgs:
210        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
211      - change the config check to test the agreement of Ocean Depth
212        with ATM land/sea mask (instead of ATM orography);
213      - send to coupler the number of coupler time-steps to do for this run:
214        this allows to check for consistency and don't need anymore to be
215        specified in parameter file "data";
216      in coupler:
217      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
218      - improve report to log-file of config setting (pass log-file unit to few S/R)
219    o pkg/compon_communic:
220      - add coupling send/receive for non-tiled integer vector;
221      - add S/R to check and stop if any proc has an error (similar to
222        eesupp/src/stop_if_error.F but single thread and across Comm_World).
223    o pkg/exch2:
224      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
225        through list of all tiles my proc owns.
226    o model/src:
227      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
228        from rTrans) to simplify dependencies (no need to store rTrans anymore in
229        calling S/R); this affects AD results at machine truncation level:
230        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
231        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
232    o tools/build_options:
233      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
234    o coupling interface pkgs:
235        [compon_communic, atm_compon_interf & ocn_compon_interf]
236      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
237        to each S/R that needs it; remove un-used variables.
238      - change component tile registration (cpl_register.F in both compon_interf
239        and mitcomponent_tile_register.F) to pass the full list of tiles
240        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
241      - with pkg/exch2: adopt the same convention used for I/O to define mapping
242        towards coupler global array (unless W2_useE2ioLayOut=F):
243         a) can now use different tiling between atm & ocn comp.
244         b) no needs to modify the run-Off map when changing tiling (was needed
245            even if using the same tiling between atm & ocn).
246         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
247            full land tiles); not yet tested.
248      - check for valid mapping from comp. tile to coupler global array
249      - improve report of tile registration results to log file.
250    o pkg/exch2:
251      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
252        tile-registration (CPL_REGISTER);
253      - activate (un-comment) definition and setting of "W2_tileIndex" list to
254        store the local bi,bj indices of each tile;
255      - also print bi,bj in local report to log file;
256      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
257        Jun 2009 modif of pkg/exch2).
258    o testing on baudelaire:
259      - run 2 tests at a time: no significant slow down (since enough cpu) and
260        get the full set of test done earlier
261      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
262    o model/src/thermodynamics.F and routines called from it:
263      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
264        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
265        velocity (outp) by adding bolus velocity.
266      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
267        mass transport from velocity + lateral grid cell area
268      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
269      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
270     in thermodynamics.F
271      - remove k from thermodynamics.F and move it to temp_integrate.F
272        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
273        loop).
274      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
275        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
276        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
277        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
278      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
279        global_ocean.90x40x15, tutorial_global_oce_biogeo and
280        tutorial_tracer_adjsens (+ TLM output).
281    o tools/OAD_support and (verification/*/) code_oad:
282      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
283        module conversion ; remove unneeded CPP_EEOPTIONS.h.
284      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
285        version (closer to model/inc/CPP_OPTIONS.h).
286    o model/src:
287      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
288        retired list of parameters (routine FREEZE has been replace by surface
289        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
290    o pkg/gmredi:
291      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
292        velocity (same scheme but affects machine truncation) for GM_AdvForm.
293      - update output of FWD experiments: front_relax.bvp,
294        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
295    
296    checkpoint64q (2013/11/17)
297    o verification:
298      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
299        tutorial_global_oce_biogeo and global_ocean.90x40x15.
300      - generate new output (growth & melt) for seaice_itd experiment after
301        updating the input pickup_seaice files (previously wrong).
302    o pkg/cost:
303      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
304        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
305        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
306          cannot be applied to var in common block).
307        o allows to get results independent of tile-per-proc setting (if using
308          slower GLOBAL_SUM_SEND_RECV option).
309      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
310        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
311        forward gradients: update output).
312      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
313        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
314    o pkg/mom_common:
315      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
316        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
317        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
318        ensure that all field value that are used are set.
319    o tutorial_deep_convection (smag3d):
320      - add missing scaling in mom_calc_smag_3d.F;
321      - set smag3D_coeff in input.smag3d such that results do not change.
322    o pkg/dic:
323      - change dic_cost.F to compute cost on each tile first and then apply
324        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
325        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
326      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
327    o eesupp/src & pkg/mdsio:
328      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
329        (from pkg/mdsio) since they are no longer used for tape IO.
330      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
331        (+ keep a copy in pkg/atm_ocn_coupler).
332    o verification/isomip:
333      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
334    o tools/build_options:
335      - optfile linux_amd64_ifort11, fast (no ieee) case:
336        to get a working restart for all experiments, add "-fp-model source"
337        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
338    
339    checkpoint64p (2013/10/20)
340    o pkg/autodiff:
341      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
342        criteria, return to simple (default) tape IO format.
343    o pkg/mdsio (+ eesupp/src):
344      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
345        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
346      - fix globalFile and singleCpuIO options using simpler global mapping.
347      - new pairs of scatter/gather vector S/R (one for each type, generated from
348        template) corresponding to simpler global mapping.
349      - adread_write.F: switch to new S/R (but leave old calls commented) and write
350        to globalFile when parameter globalFiles is set to True.
351      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
352    o pkg/autodiff:
353      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
354        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
355        missing, just add a STOP if array type do not match.
356    o pkg/exf:
357      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
358         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
359         and rename array obsSIce to exf_iceFraction.
360    o tutorial_deep_convection:
361      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
362        for now all in this exp. code dir.
363      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
364        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
365    o eesupp/src:
366      - added SINGLE_DISK_IO option because reading of parameter files on
367        very large number of processors did not work with existing set-up
368    
369    checkpoint64o (2013/09/25)
370    o pkg/atm_phys & atm_compon_interf:
371      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
372    o tools/build_options:
373      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
374        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
375        remove CPP setting (was identical to genmake2 default).
376    o pkg/gmredi & model/src: Some updating and work done on the residual model.
377      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
378      - fixed up the calculation of the eddy stress and how it is added to the
379        external forcing via taueddy_external_forcing.F
380      - at the moment, it is very experimental and only works with the variable eddy
381        diffusivity calculated in gmredi_k3d.F
382    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
383        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
384    o testreport (& tools/do_tst_2+2):
385      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
386    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
387      - remove CPP='cpp -traditional -P' (this is genmake2 default)
388      - add switch (for big setups) to use 'medium' memory-model (but leave it
389        commented out for now). Note: needed with FC 19 to compile big setups.
390    o pkg/atm_compon_interf:
391      - regroup per field origin (model & pkgs) the coupling storage routines
392         (which accumalate in time each coupling field)
393      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
394        update accordingly + simplify aim_do_physics.F
395    
396    checkpoint64n (2013/08/26)
397    o pkg/bbl:
398      - update formulation to reduce dispersion of tracer properties in bbl
399      - replaced horizontal and vertical transport parameters with velocities
400      - changes results for verification/global_with_exf.yearly
401    o verification/halfpipe_streamice:
402      - change to matrix construction; update both Fwd & AD output.
403    o verification/tutorial_tracer_adjsens:
404      - OpenAD test: switch to vector-invariant momentum since fluxform with
405        rStar causes problems with OpenAD; update output.
406    o tools:
407      - genmake2: define a common prefix for all temp-file names ; move them
408        to local /tmp disk (but would be easy to move them back);
409      - xmakedepend: apply the same switch for temp-files.
410    o pkg/offline:
411      - changes for use with rStar (NLFS): assume that we continue to provide
412        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
413        output files) and apply r* scaling at each time-step (function of the time
414        varying Eta field); use normal pickup files (needed for restart with NLFS).
415    o adjoint with OpenAD:
416      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
417        package openad.  This package has to be compiled for all runs with OpenAD
418        instead of specifying code_oad_all as a modification directory.
419      - link the fortran templates from tools/OAD_support to the build directory
420        for preprocessing to avoid conflicts between different setups compiled
421        simultaneously and simplify cleanup.
422    o pkg/exf:
423      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
424        main model or other pkgs are exchanged in EXF_MAPFIELDS).
425    o model/src:
426      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
427        (similar to do_fields_blocking_exchanges.F).
428    o tools/genmake2:
429      - remove TAF output src code just before calling staf (when not doing a fresh
430        built, will stop if things go wrong with staf).
431      - fix target "adobj" (left from TAF version-2 transition)
432    o pkg/diagnostics:
433      - add a parameter to track the status of pkg/diagnostics activation;
434        this replace/extend the use of logical param "settingDiags" (to check
435        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
436        New S/R to print error message and stop when pkgStatus is not right.
437      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
438    
439    checkpoint64m (2013/08/13)
440    o model/inc:
441      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
442        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
443    o pkg/kpp & aim_v23:
444      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
445    o pkg/seaice:
446      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
447        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
448      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
449    o eesupp/src:
450      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
451        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
452    o switch to TAF version-2:
453      - add flow directives to "freeze" naming convention for ad-routines that
454        are used in I/O routines of adjoint state and associated common blocks
455        that are used in adcommon.h (backward compatible with version-1)
456      - update all ad-optfiles (in tools/adjoint_options + few local to some
457        verification exp) to switch to latest TAF version (currently 2.5.5);
458        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
459        out except for diva).
460      - the major change with TAF version-2 is that both the differentiated
461        routines and the forward routines (new) are returned as part of the TAF
462        output source code. Update genmake2 accordingly.
463      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
464        with version-2 when compared to TLM or FWD gradient); other experiments
465        output show minor changes (machine truncation level); update the few AD &
466        TLM output with 12 matching digits only (some prior to version-2 switch).
467    
468    checkpoint64l (2013/08/05)
469    o model/src:
470      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
471      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
472        when using TAF but only if using OpenAD.
473    o pkg/mom_common+fluxform+vecinv:
474      - always set horiz. viscosity arrays to background value before calling
475        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
476        only when using variable horiz. viscosity (useVariableVisc=T);
477      - simplify mom_vecinv.F (only 1 block for momViscosity).
478    o pkg/mom_common: variable horiz. viscosity in NH code
479      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
480        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
481      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
482        useBiharmonicVisc & useVariableVisc.
483      - fix old bug (already in 1rst implementation of variable horizontal viscosity
484        in calc_gw.F, version 1.27, 2006/06/20):
485        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
486        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
487      - change background horiz viscosity in vertical momentum (gW) to always be
488        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
489        any type of variable viscosity, e.g., viscAh/4Grid)
490      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
491        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
492        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
493        default viscAh,viscA4 is zero).
494    o model/src:
495      - extend length of drC & recip_drC from Nr to Nr+1.
496    o Divided Adjoint (DIVA) with MPI:
497      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
498      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
499        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
500    
501    checkpoint64k (2013/07/23)
502    o tools/OAD_support:
503      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
504        and remove it from genmake2.
505    o tools/build_options:
506      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
507        MPI_HEADER_FILES list (let genmake2 find the missing headers)
508    o verification/halfpipe_streamice:
509      - change to driving stress formulation; update both Fwd & AD output.
510    o tools/genmake2 and Divided Adjoint with MPI:
511      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
512      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
513      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
514        Makefile, which is set by genmake2, and check which mpi-headers are needed.
515        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
516      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
517    o testreport:
518      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
519        perform additional runs (number of additional runs is "add_DIVA_runs" taken
520        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
521    o verification/lab_sea (AD test):
522      - change to test Divided Adjoint Run in this set-up (both standard AD test
523        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
524    o pkg atm_ & ocn_compon_interf:
525      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
526        staggerTimeStep implementation) and disable (retired) corresponding
527        parameter.
528    o pkg/offline:
529      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
530      - add S/R OFFLINE_CHECK to print offline parameter summary
531        and stop if loading a file that is not used;
532      - enable to calculate GMRedi tensor, KPP mixing and convective index
533        when the corresponding file(s) is/are not specified (but pkg is used).
534      - comment out resetting of monitorFreq (to endTime) since it still useful
535        for monitoring CFL numbers and checking offline fields.
536    o OpenAD:
537      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
538        smaller standard output) and generate new (smaller) output (on baudelaire
539        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
540    o model/src:
541      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
542        (where external_forcing_adjust was called) and change list of arguments;
543      - merge external_forcing_adjust.F into external_forcing_surf.F
544      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
545        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
546        previously in file "balance_relax.F", now removed); remove corresponding
547        arrays in FFIELDS.h.
548      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
549        a hack for getting back surfaceForcingS (loaded from file) when using
550        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
551      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
552        (was getting only 11 digits for AD-grad, due to different truncation
553         error in AD code).
554    
555    checkpoint64j (2013/07/04)
556    o pkg/offline:
557      - to enable the use of other features with pkg offline (e.g., obcs),
558        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
559      - comment out "allowFreezing" (now active) in 2 offline testing exp.
560    o pkg/exf ALLOW_RUNOFTEMP
561      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
562      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
563      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
564    o pkg/atm_phys:
565      - allows to add some damping on uVel,vVel (strength only function of k).
566    o verification, ad-tests:
567      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
568        global_ocean_ebm and offline_exf_seaice.thsice.
569    o verification/halfpipe_streamice:
570      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
571        flux input boundary conditions to be ignored; a fix for this bug changed
572        verification results for forward test.
573      - add adjoint test.
574    o pkg/ptracers:
575      - allow to restart without SOM pickup (resetting SOM to zero).
576    o pkg/gmredi:
577      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
578      - It uses mixing length theory and suppression by steering level effects to
579        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
580        to JPO, for more details).
581      - It also uses the diffusivity to calculate an eddy induced streamfunction
582        based on a PV closure (rather than a buoyancy closure as in GM).
583      - New files added to pkg/gmredi:
584        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
585          induced overturning streamfunction (called from gmredi_calc_tensor)
586        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
587          for use in gmredi_k3d
588        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
589          the eddy diffusivity
590    
591    checkpoint64i (2013/06/18)
592    o pkg/cheapaml:
593      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
594        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
595        with pkg/cheapaml.
596    o utils/python: add subpackage for cubed sphere function, first example is
597        simple cs.pcol to plot 2D fields on a map
598    o pkg/streamice:
599      - This is a new package in MITgcm, which solves dynamic equations for ice
600         sheets and ice streams
601      - At the moment it is independent of atmosphere/ocean dynamics, or any
602        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
603        ed that this will change)
604      - There is a new verification exercise that tests it, halfpipe_streamice,
605        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
606        rectangular embayment
607      - halfpipe_streamice is forward-only for now, will have TAF test soon
608      - for questions, email dgoldber@mit.edu
609    o pkg/thsice:
610      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
611        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
612      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
613         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
614      - allow precip from pkg/cheapaml to make snow over seaice.
615    o pkg/cfc:
616      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
617      - remove atmos CFC 2-D arrays from common bloc (now local variables)
618      - change some hard-coded constant to run time parameter for reading and
619        and interpolating atmospheric CFC ; keep same default as previously.
620      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
621      - put arguments in standard order: myTime, myIter, myThid
622      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
623        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
624      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
625      - new routine to print summary of CFC params and check for consistency.
626    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
627      similar to thsice_advdiff.
628      Note that for the B-grid case the routine parameters uc/vc are overwritten.
629    o pkg/cfc:
630      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
631        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
632      - fix interpolation of atmphspheric CFC between Sorthern and Northern
633        hemisphere value.
634    o pkg/seaice:
635      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
636    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
637                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
638      - requires an additional time level that is stored in the pickup
639      - you can start with AB2 from a pickup without this time level with
640        pickupStrictlyMatch = .false.
641    
642    checkpoint64h (2013/05/26)
643    o pkg/cheapaml:
644      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
645        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
646      - consistent treatment of uWind,vWind location: assume everywhere in
647        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
648        (Note: was already the case for Tair,Qair advection);
649        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
650      - compute diabatic forcing only in the interior (excluding overlap regions)
651      - fill in array "Qsw" (for short-wave heating);
652      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
653        before any update (consistent with MITgcm state var diagnostics);
654      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
655        non periodic ; + adjusted for uWind,vWind (C-grid).
656    o pkg/seaice:
657      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
658        add explicitly pkg/exf in experiments that currently use pkg/seaice.
659      - allows to compile pkg/seaice without pkg/exf.
660    o tools/OAD_support:
661      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
662        of array "ourStepOf" in function rvNextAction (revolve.F90).
663    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
664      - change pkg name (to be used with other atmospheric physics pkg)
665        but by-pass CVS when making the new pkg so that we keep the CVS history.
666    o pkg/offline:
667      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
668        (previously called from pkg/dic_surfforcing_init.F)
669    o model/src:
670      - re-order sequence of calls within packages_init_variables.F, using
671        standard order, except for:
672         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
673         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
674    o new pkg: atm_phys
675      - add entry point and source code (previously in contrib
676          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
677        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
678      - re-order sequence of calls within packages_readparms.F,
679         packages_init_fixed.F and packages_write_pickup.F
680        (but skip packages_init_variables.F because of TAF issues).
681      - update contrib/*/atm_gray/ experiment.
682    o pkg/seaice (ITD code):
683      - simplify and fix the writing of pickup-files for ITD case
684    o pkg/seaice (ITD code):
685      - introduce floe size dependent lateral melt for ITD case;
686      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
687      - update seaice_itd experiment main output.
688    o pkg/thsice:
689      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
690        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
691        changed accordingly pkg/atm2d.
692    
693    checkpoint64g (2013/05/01)
694    o pkg/exf ALLOW_RUNOFTEMP
695      - if defined,  river and glacier runoff temperature can be read-in from
696        runoftempfile; runoftempfile needs to have same format as runofffile
697    o pkg/thsice (& pkg/bulk_force):
698      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
699        for energy content of Precip + RunOff & Evap (like with pkg/exf).
700      - change computation domain to always be the interior (without overlap).
701      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
702    o verification/tutorial_global_oce_biogeo:
703      - add preliminary OpenAD setup (still has problems)
704    o pkg/seaice:
705      - turn some parameters for choosing the convergence criterion of
706        the inexact Newton method (JFNK) into runtime parameters for convenience
707      - clean up seaice_calc_viscosities.F: remove/retire two options for
708        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
709        the results of lab_sea/input because a division has been replaced by
710        a multiplication with the reciprocal (sumNorm)
711      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
712        convergence of solver (changes results, of course), and to test some
713        new features
714    o model/src:
715      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
716      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
717      - move forcing adjustment (balancing surface forcing) in specific S/R
718        where might also be applied exchanges (if needed) to forcing arrays.
719    o pkg/shelfice:
720      - allow to specify the Ice-Shelf mass per unit area (instead of
721        shelficeLoadAnomaly) and do the conversion from one to the other
722      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
723        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
724        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
725        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
726      - update isomip experiment forward output (get machine truncation error
727        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
728    o verification/offline_exf_seaice:
729      revise data.seaice in input.thermo and input_ad and update results accordingly
730        HO = 0.2, SEAICE_areaLossFormula = 2,
731        SEAICE_growMeltByConv = .TRUE.,
732        SEAICE_doOpenWaterMelt = .TRUE.,
733      Improve consistency with input.thsice and fix the spurious 500m ice corners
734    o verification/global_ocean.cs32x15:
735      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
736        in icedyn (thsice+seaice-dyn) test and update output.
737    o verification/offline_exf_seaice:
738      - adjust list of tested variables (with testreport) and update
739        standard test output with better slection of monitored fields.
740    o pkg/cd_code:
741      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
742        experiment lab_sea.hb87
743    o tools/genmake2:
744      - change default makedepend from the system default to tools/xmakedepend:
745        When no makedepend is specified, select tools/xmakedepend it the test pass,
746        otherwise select the system default (if exist and pass the test) or
747        try to build cyrus-makedepend ; stop if none of the 3 works.
748    o pkg/exf & pkg/thsice:
749      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
750        for energy content of Precip + RunOff & Evap. Assumes:
751       1) Rain has same temp as Air.
752       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
753       3) Run-Off comes at the temp of surface water (with same Cp)
754       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
755        put directly into Latent Heat flux & should use water-vapor heat capacity.
756       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
757        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
758    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
759        (compile when SEAICE_ALLOW_JFNK is defined)
760    o pkg/thsice:
761      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
762        implementation): move THSICE_AVE call after the advection (called directly
763        from thsice_do_advect.F).
764    o verification/global_ocean.90x40x15 and OpenAD:
765      New experiment for OpenAD is identical to the one in input_ad except that
766        multiDimAdvection=.FALSE.,
767      There is still an issue with this.
768    o pkg/thsice:
769      - account for ice velocity (ocean relative velocity) in turbulent heat flux
770        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
771        and offline_exf_seaice (main test).
772    
773    checkpoint64f (2013/03/31)
774    o verification/OpenAD:
775      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
776    o verification/isomip, pkg/shelfice and OpenAD:
777      - add OpenAD setup to this exp and make shelfice package work with OpenAD
778    o verification/tutorial_global_oce_biogeo:
779      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
780    o verification/offline_exf_seaice:
781      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
782    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
783      - add OpenAD setup to this exp and make ptracers package work with OpenAD
784    o pkg/seaice/seaice_evp.F:
785       mask the asymmetric contribution of the ice-ocean stress (when
786       the turningAngle is non-zero) over open water to avoid stripes
787       in the EVP-solutions after many EVP-substeps. This does not change
788       the verification experiment (because turningAngle=0 in that experiment),
789       but will affect other EVP solutions with turningAngle.ne.0
790    o verification, AD & TLM output:
791      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
792        additions and multiplications which affect results at machine truncation
793        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
794        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
795        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
796        digits of matching.
797    o pkg/seaice:
798       modify lsr-algorithm so that it vectorizes AND converges by using a
799       "zebra" method: split vector loop into two with step size 2; this
800       solves a general convergence problem for the JFNK solver on a vector
801       computer. It has the potential to even improve convergence for
802       non-vector machines, but it does change the results so it is turned
803       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
804       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
805    
806    checkpoint64e (2013/03/05)
807    o pkg/ecco and several verification experiments:
808       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
809       from ecco package, and revert to unified routine in model/src/
810       Adjust verification experiments accordingly, especially gloal_oce_llc90
811       Should conclude long-standing work by Gael to reconsile the_main_loop with
812       ECCO and will enable OpenAD's revolve loop in ECCO setup.
813    o pkg/generic_advdiff:
814      - implement compressible flow method for multi-dim advection (similar to
815        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
816        TAF generates many recomputations) to use it; no yet coded with implicit
817        vertical advection.
818      - change experiment advect_cs (new output) and advect_xy (same output)
819        to test compressible flow multi-dim advection.
820    o pkg/generic_advdiff:
821      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
822        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
823    o pkg/seaice:
824      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
825        bug affects two verification experiments (lab_sea and lab_sea.hb87),
826        recover old (wrong) results by setting noSlipFac = 2. in
827        seaice_calc_strainrates.F;
828      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
829      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
830        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
831      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
832    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
833      - new subroutines seaice_lsr_tridiagu/v
834      - introduce loop bounds i/jmin/max to be able to use a restricted
835        additive Schwarz method, but not used for now.
836      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
837      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
838    o OpenAD support
839       Reorganize S/R call for overall time-stepping loop to facilitate
840       OpenAD revolve loop replacement
841       (new S/R main_do_loop.F)
842    o model/src:
843      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
844      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
845        ADAMS_BASHFORTH2.
846    o pkg/cheapaml:
847      - add new parameter (default=F, same as before) to disable full domain
848        (including land) periodicity in X & Y dir.
849      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
850        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
851        into single S/R CHEAPAML_TIMESTEP.
852    
853    checkpoint64d (2013/02/17)
854    o pkg/monitor (angular momentum):
855      - do not add Eta contribution to the total AM if using rigid-lid;
856      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
857      - horizontal discretisation: compute Zonal wind contribution separately for
858        each component (instead of from cell centered averaged) and use the 4
859        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
860      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
861        FreeSurf) if using vectorInvariant momentum.
862    o model/src (horizontal grid):
863      - move initialisation of all horizontal grid arrays to null value
864        from specific horizontal grid S/R to main S/R INI_GRID;
865      - add 2 new arrays to project model C-grid velocity on to zonal direction
866        (similar to AngleCosC & -AngleSinC but at U and V point location) and
867        compute them in S/R CALC_GRID_ANGLES.
868    o pkg/seaice: replace a hard coded parameter by a runtime parameter
869        SEAICE_JFNK_tolIter
870    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
871        preconditioner for JFNK (run LSR into the overlaps as far as possible,
872        i.e OLx/y-2, but overwrite the solution in the overlaps)
873      - extend loop range in seaice_calc_viscosity
874      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
875      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
876      - slightly modify loops in tridiagonal solver lsr-preconditioner
877      - by default remove the extra exchange in seaice_preconditioner with a
878        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
879      - modify offline_exf_seaice so that old results without RAS are reproduced
880        for output.dyn_jfnk.txt
881      in seaice_fgmres.F (unrelated to RAS)
882      - add a cpp-flag option for a re-ordered mapping (potentially more
883        efficient), but because this changes the results, turn it off by
884        default
885      - replace the save statement by local common blocks
886    o utils/matlab:
887      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
888      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
889        instead of local script "load_cs.m".
890    o pkg/seaice:
891      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
892        to the scalarProductMetric and the unrolling. By chance this does not
893        change the verification experiment, because of the particular domain
894        decomposition
895    o pkg/diagnostics:
896      - change default missing_value from UNSET_RL to -999.
897    o pkg/layers: improve vectorization of layers_fluxcalc.F
898      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
899        time spent in this routine by more than a factor of 3 on an NEC-SX8
900      - step 2: replace search algorithm by a bisection algorithm found in
901        Press et al. Numerical Recipes in Fortran. This algorithm can be
902        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
903        For now, use this algorithm only for TARGET_NEC_SX defined.
904      - moved the search algorithm into a separate subroutine, that is kept
905        within the same file for automatic inlining.
906      - modified catching potential errors
907    o pkg/ecco:
908      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
909    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
910      - modifications for ALLOW_GENTIM2D_CONTROL
911      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
912      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
913      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
914      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
915    o model/src:
916      - account for moist thermodynamics in (dry) potential temperature equation;
917        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
918        and cpl_aim+ocn.
919      - also switch to standard compiler (gfortran, was using ifort previously)
920        for fizhi-cs experiments reference output.
921    o pkg/ctrl:
922      - 1st step toward generic time-varying control variable (2D) via CPP option
923        ALLOW_GENTIM2D_CONTROL
924      - note new namelist ctrl_nml_genarr in data.ctrl
925  o verification/global_ocean.cs32x15:  o verification/global_ocean.cs32x15:
926    - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new    - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
927      thsice calling sequence and update "output.icedyn.txt" output file.      thsice calling sequence and update "output.icedyn.txt" output file.

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