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revision 1.1641 by dimitri, Mon Apr 2 04:34:07 2012 UTC revision 1.2000 by mlosch, Tue May 27 15:27:14 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:
8      - remove code that resets useThSice in S/R seaice_readparms and
9        replace by a warning in S/R seaice_check
10      - remove parameter MULTDIM, replace with nITD and runtime
11        parameter SEAICE_multDim (still hard-wired to nITD if
12        SEAICE_ITD is defined)
13    
14    checkpoint64x (2014/05/24)
15    o verification/lab_sea:
16      - update adjoint and TLM output following changes to pkg/salt_plume
17      - un-do the update after putting back local recip_Cp in few places.
18    o pkg/salt_plume: modifications by An Nguyen:
19      - add capability to do brine rejection (salt-plume) as function of
20        volume+tracers (instead of only salinity tracer).
21      - conserve volume by exchanging volume from each kLev to above to
22        accommodate in-coming brine volume
23      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
24      - switch KPP surf buoyancy due to brine forcing to 3-d
25        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
26      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
27      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
28        in East/West Arctic.
29    o pkg/sbo:
30      - incorporate modifications from Katherine Quinn to enable the use of sbo
31        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
32        output for future testreport verification (unfinished).
33    o pkg/atm_phys:
34      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
35        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
36        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
37    o pkg/seaice
38      seaice_calc_ice_strength.F: modify expression to avoid divisions
39        (affects truncation)
40      seaice_do_ridging.F: clean up the insectarium
41      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
42      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
43      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
44      - add some debugging information and error messages (warnings)
45    o model/src: modifications relatd to atmosphere p*:
46      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
47      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
48        of vertical profile tRef in geopotential background and anomaly.
49      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
50        and pkg/atm_phys.
51      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
52        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
53    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
54    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
55        not used right now, but can be used in BGC packages to fix conservation.
56    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
57        other packages too.
58    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
59        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
60    o model/src:
61      - since we have several heat capacity (even in model/src), define "recip_Cp"
62        as local variable (no longer in common block) to avoid any confusion.
63      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
64    o pkg/exf:
65      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
66        air density as function of air Temp, Humidity and atm pressure.
67    
68    checkpoint64w (2014/05/02)
69    o verification:
70      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
71        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
72        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
73        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
74        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
75    o model/src: for atmosphere in p* coords:
76      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
77      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
78        but not yet activated.
79    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
80      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
81      - this changes the results (but not for any verification experiment, because
82        none tests this), but avoids having an extra field in the restart files
83    o pkg/seaice: remove global variable TICE (not needed)
84      - replace by TICES or local variable where necessary (cost_seaice_test,
85        seaice_diagnostics_state)
86      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
87      - use specific read/write routines for reading and writing individual leves
88        of a multilevel field
89    o pkg/ctrl & model/inc:
90      - move additional anomaly fields of control vars (related to options:
91         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
92        from DYNVARS.h into new header file: CTRL_FIELDS.h
93    o pkg/seaice: some small modifications to the ridging code
94      - make fw2ObyRidge a global variable and add the freshwater flux to
95        seaice_growth
96      - pass actual thickness from seaice_prepare_ridging, so that it is
97        computed only in one place and compute it in the same way as in
98        seaice_growth
99      - initialise more fields in seaice_do_ridging that where cause floating
100        point exceptions over land
101    o pkg/seaice: preparations for ridging code and first real ridging code
102      - move most of "PART 1" of S/R seaice_growth into a new and separate
103        S/R seaice_reg_ridge that will both regularize the state variable after
104        advection call the actual ridging routine;
105      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
106        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
107      - remove ridging code from seaice_advdiff
108      - clean up remaining part 1 of seaice_growth in an attempt to make it
109        more readable (this is probably subjective)
110      - call seaice_itd_redist once in the initialisation phase to have the initial
111        conditions in the correct category
112      - finally: add new ridging routine for ITD code
113    
114    checkpoint64v (2014/04/11)
115    o pkg/ecco:
116      - add runtime parameters mdt[start,end]date[1,2]
117      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
118    o pkg/seaice:
119      - make deltaC a global variable, so that it can be used in ridging code
120      - first step towards ridging: introduce new routines that compute
121        ice strength based on ridging parameters
122      - add diagnostic for HSNOWITD
123      - add opnWtrFrac as a global variable (required for ridging scheme)
124    o pkg/salt_plume + pkg/seaice/seaice_growth.F
125      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
126        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
127    o verification/hs94.1x64x5:
128      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
129      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
130    o autodiff:
131      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
132        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
133        For now, only in pkgs used in verification/hs94.1x64x5.
134      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
135        which are specific to TAF/TAMC).
136      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
137        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
138        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
139      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
140        building mitgcmuv_ad (make adAll).
141    o pkg/ecco:
142      - cost_gencost_seaicev4.F:
143         reformulate proxy cost as function of sst and local param SEAICE_freeze
144         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
145      - add stop statement if old names siv4-[sst,vol] are used
146      - add snapshots + cost reports for atmospheric longwave
147      - remove factor 0.1 in front of wtau[u,v]
148      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
149         ALLOW_TMI_SST_COST_CONTRIBUTION
150    o pkg/atm_phys:
151      - add some diagnostics for Short-wave and for convection S/R.
152    o pkg/seaice/seaice_growth:
153      - fix a bug in the lateral melt parameterization for SEAICE_ITD
154        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
155      - rearrange loop order for better vector code in the same code block
156      - rewrite the floeDiameter formula to have fewer divisions
157      -  (miraculously) none of this changes the results of seaice_itd
158    o pkg/smooth:
159      - move param smooth2Ddiffnbt to pkg/ecco
160    o pkg/salt_plume:
161      - salt_plume_frac.F:
162         clean up local param names
163         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
164    o pkg/rw:
165      - add RS version of S/R READ_MFLDS_LEV.
166    o pkg/streamice:
167      - fix the restart test by writing/reading pickup_streamice files.
168    o pkg/seaice:
169      - refine checks for jfnk-related parameters
170      - comment out if statement with SEAICEuseIMEX parameter as long as there
171        is no IMEX code to avoid confusion and surprises
172    
173    checkpoint64u (2014/03/07)
174    o verification/MLAdjust:
175      - rename secondary test suffix:
176         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
177         0.leithD -> AhFlxF  + switch to flux-form
178         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
179         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
180    o pkg/mom_vecinv:
181      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
182        to be before mom_calc_visc.F)
183      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
184      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
185        this is simpler for the adjoint and for diagnostics.
186    o model/src + pkg/momentum:
187      - add input files for  2-D additional Western and Southern cell-edge wall
188         (e.g., to add "thin-wall" where it is =1).
189      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
190        using 2nd hFacZ that is computed from initial (fix domain) hFac
191      - known limitations of thin wall implementation: not yet coded for sigma
192        coords; not working with CD-scheme neither.
193    o pkg/seaice:
194      - rename recently introduced parameters from (wrong name) AB to
195        BDF (backward difference time discretisation)
196      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
197    o tools/adjoint_options:
198      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
199    
200    checkpoint64t (2014/02/01)
201    o pkg/ecco
202      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
203        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
204      - replace hard-coded record number and period which only work for monthly
205        with read-in runtime param that works for other periods (month,day,year)
206    o pkg/thsice
207      - corrected store directive fixes thsice adjoint gradient checks
208    o genmake2 & testreport:
209      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
210        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
211        Update testreport accordingly. No need to set "export OPENAD=true"
212        in adjoint_options/adjoint_oad anymore (will be removed later).
213    o pkg/shelfice:
214      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
215        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
216        so that surface forcing applies to k=kSurf if using pkg/shelfice.
217    o pkg/ctrl, pkg/grdchk, pkg/ecco:
218      - Changes to make GENARR more modular (i.e. invisible if not used)
219    o model/src/temp_integrate.F and salt_integrate.F
220      - re-include store directives that were removed on Dec 27th.
221    o model/src/external_forcing_surf.F
222      - add storage directives for EmPmR and PmEpR to avoid recomputation of
223        seaice_model in the adjoint that is problematic when seaice_model is
224        turned off in the adjoint. The resolved issue dated back to July when
225        EXTERNAL_FORCING_SURF call was moved.
226        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
227    o pkg/exf/exf_check.F
228      - fix a small bug again (originally found by Wentao Liu, now found again)
229      - streamline error output
230    o pkg/streamice and aim_v23:
231      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
232        Apple's /usr/bin/cpp knows what to do:
233        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
234        Target: x86_64-apple-darwin13.0.0
235    
236    checkpoint64s (2014/01/05)
237    o tools/adjoint_options:
238      - switch to fastopt.net TAF server (instead of default fastopt.de) for
239        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
240    o model/src:
241      - remove some unnecessary TAF storage directives in forward_step.F and
242        in dynamics.F (note: not always removed by TAF, e.g., double storage
243        of kappaRU,kappaRV in former version of dynamics.F).
244    o model/src & pkg/ptracers:
245      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
246        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
247        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
248      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
249      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
250      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
251    o useSingleCpuInput separates single-CPU input from single-CPU output;
252        for now only implemented for in exf_interp_read.F
253    o verification/advect_xy:
254      - fix missing EXCH call in local version of ini_salt.F and update output.
255    o momentum diagnostics:
256      - fix which deltaT is used in Total-Tendency diagnostics.
257      - fix typo in diagnostics for momentum tendency from AB.
258    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
259        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
260    
261    checkpoint64r (2013/12/08)
262    o verification/*/results:
263      - Update reference output of experiments that were passing with just 13 digits
264         (make it easier to detect future changes in results)
265    o model/src & pkg/ptracers:
266      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
267        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
268        to inside ptracers_integrate.F ; remove ptracers_advection.F
269    o coupling interface pkgs:
270        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
271      - change the config check to test the agreement of Ocean Depth
272        with ATM land/sea mask (instead of ATM orography);
273      - send to coupler the number of coupler time-steps to do for this run:
274        this allows to check for consistency and don't need anymore to be
275        specified in parameter file "data";
276      in coupler:
277      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
278      - improve report to log-file of config setting (pass log-file unit to few S/R)
279    o pkg/compon_communic:
280      - add coupling send/receive for non-tiled integer vector;
281      - add S/R to check and stop if any proc has an error (similar to
282        eesupp/src/stop_if_error.F but single thread and across Comm_World).
283    o pkg/exch2:
284      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
285        through list of all tiles my proc owns.
286    o model/src:
287      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
288        from rTrans) to simplify dependencies (no need to store rTrans anymore in
289        calling S/R); this affects AD results at machine truncation level:
290        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
291        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
292    o tools/build_options:
293      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
294    o coupling interface pkgs:
295        [compon_communic, atm_compon_interf & ocn_compon_interf]
296      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
297        to each S/R that needs it; remove un-used variables.
298      - change component tile registration (cpl_register.F in both compon_interf
299        and mitcomponent_tile_register.F) to pass the full list of tiles
300        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
301      - with pkg/exch2: adopt the same convention used for I/O to define mapping
302        towards coupler global array (unless W2_useE2ioLayOut=F):
303         a) can now use different tiling between atm & ocn comp.
304         b) no needs to modify the run-Off map when changing tiling (was needed
305            even if using the same tiling between atm & ocn).
306         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
307            full land tiles); not yet tested.
308      - check for valid mapping from comp. tile to coupler global array
309      - improve report of tile registration results to log file.
310    o pkg/exch2:
311      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
312        tile-registration (CPL_REGISTER);
313      - activate (un-comment) definition and setting of "W2_tileIndex" list to
314        store the local bi,bj indices of each tile;
315      - also print bi,bj in local report to log file;
316      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
317        Jun 2009 modif of pkg/exch2).
318    o testing on baudelaire:
319      - run 2 tests at a time: no significant slow down (since enough cpu) and
320        get the full set of test done earlier
321      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
322    o model/src/thermodynamics.F and routines called from it:
323      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
324        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
325        velocity (outp) by adding bolus velocity.
326      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
327        mass transport from velocity + lateral grid cell area
328      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
329      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
330     in thermodynamics.F
331      - remove k from thermodynamics.F and move it to temp_integrate.F
332        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
333        loop).
334      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
335        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
336        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
337        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
338      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
339        global_ocean.90x40x15, tutorial_global_oce_biogeo and
340        tutorial_tracer_adjsens (+ TLM output).
341    o tools/OAD_support and (verification/*/) code_oad:
342      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
343        module conversion ; remove unneeded CPP_EEOPTIONS.h.
344      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
345        version (closer to model/inc/CPP_OPTIONS.h).
346    o model/src:
347      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
348        retired list of parameters (routine FREEZE has been replace by surface
349        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
350    o pkg/gmredi:
351      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
352        velocity (same scheme but affects machine truncation) for GM_AdvForm.
353      - update output of FWD experiments: front_relax.bvp,
354        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
355    
356    checkpoint64q (2013/11/17)
357    o verification:
358      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
359        tutorial_global_oce_biogeo and global_ocean.90x40x15.
360      - generate new output (growth & melt) for seaice_itd experiment after
361        updating the input pickup_seaice files (previously wrong).
362    o pkg/cost:
363      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
364        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
365        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
366          cannot be applied to var in common block).
367        o allows to get results independent of tile-per-proc setting (if using
368          slower GLOBAL_SUM_SEND_RECV option).
369      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
370        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
371        forward gradients: update output).
372      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
373        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
374    o pkg/mom_common:
375      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
376        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
377        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
378        ensure that all field value that are used are set.
379    o tutorial_deep_convection (smag3d):
380      - add missing scaling in mom_calc_smag_3d.F;
381      - set smag3D_coeff in input.smag3d such that results do not change.
382    o pkg/dic:
383      - change dic_cost.F to compute cost on each tile first and then apply
384        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
385        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
386      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
387    o eesupp/src & pkg/mdsio:
388      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
389        (from pkg/mdsio) since they are no longer used for tape IO.
390      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
391        (+ keep a copy in pkg/atm_ocn_coupler).
392    o verification/isomip:
393      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
394    o tools/build_options:
395      - optfile linux_amd64_ifort11, fast (no ieee) case:
396        to get a working restart for all experiments, add "-fp-model source"
397        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
398    
399    checkpoint64p (2013/10/20)
400    o pkg/autodiff:
401      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
402        criteria, return to simple (default) tape IO format.
403    o pkg/mdsio (+ eesupp/src):
404      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
405        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
406      - fix globalFile and singleCpuIO options using simpler global mapping.
407      - new pairs of scatter/gather vector S/R (one for each type, generated from
408        template) corresponding to simpler global mapping.
409      - adread_write.F: switch to new S/R (but leave old calls commented) and write
410        to globalFile when parameter globalFiles is set to True.
411      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
412    o pkg/autodiff:
413      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
414        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
415        missing, just add a STOP if array type do not match.
416    o pkg/exf:
417      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
418         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
419         and rename array obsSIce to exf_iceFraction.
420    o tutorial_deep_convection:
421      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
422        for now all in this exp. code dir.
423      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
424        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
425    o eesupp/src:
426      - added SINGLE_DISK_IO option because reading of parameter files on
427        very large number of processors did not work with existing set-up
428    
429    checkpoint64o (2013/09/25)
430    o pkg/atm_phys & atm_compon_interf:
431      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
432    o tools/build_options:
433      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
434        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
435        remove CPP setting (was identical to genmake2 default).
436    o pkg/gmredi & model/src: Some updating and work done on the residual model.
437      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
438      - fixed up the calculation of the eddy stress and how it is added to the
439        external forcing via taueddy_external_forcing.F
440      - at the moment, it is very experimental and only works with the variable eddy
441        diffusivity calculated in gmredi_k3d.F
442    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
443        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
444    o testreport (& tools/do_tst_2+2):
445      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
446    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
447      - remove CPP='cpp -traditional -P' (this is genmake2 default)
448      - add switch (for big setups) to use 'medium' memory-model (but leave it
449        commented out for now). Note: needed with FC 19 to compile big setups.
450    o pkg/atm_compon_interf:
451      - regroup per field origin (model & pkgs) the coupling storage routines
452         (which accumalate in time each coupling field)
453      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
454        update accordingly + simplify aim_do_physics.F
455    
456    checkpoint64n (2013/08/26)
457    o pkg/bbl:
458      - update formulation to reduce dispersion of tracer properties in bbl
459      - replaced horizontal and vertical transport parameters with velocities
460      - changes results for verification/global_with_exf.yearly
461    o verification/halfpipe_streamice:
462      - change to matrix construction; update both Fwd & AD output.
463    o verification/tutorial_tracer_adjsens:
464      - OpenAD test: switch to vector-invariant momentum since fluxform with
465        rStar causes problems with OpenAD; update output.
466    o tools:
467      - genmake2: define a common prefix for all temp-file names ; move them
468        to local /tmp disk (but would be easy to move them back);
469      - xmakedepend: apply the same switch for temp-files.
470    o pkg/offline:
471      - changes for use with rStar (NLFS): assume that we continue to provide
472        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
473        output files) and apply r* scaling at each time-step (function of the time
474        varying Eta field); use normal pickup files (needed for restart with NLFS).
475    o adjoint with OpenAD:
476      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
477        package openad.  This package has to be compiled for all runs with OpenAD
478        instead of specifying code_oad_all as a modification directory.
479      - link the fortran templates from tools/OAD_support to the build directory
480        for preprocessing to avoid conflicts between different setups compiled
481        simultaneously and simplify cleanup.
482    o pkg/exf:
483      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
484        main model or other pkgs are exchanged in EXF_MAPFIELDS).
485    o model/src:
486      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
487        (similar to do_fields_blocking_exchanges.F).
488    o tools/genmake2:
489      - remove TAF output src code just before calling staf (when not doing a fresh
490        built, will stop if things go wrong with staf).
491      - fix target "adobj" (left from TAF version-2 transition)
492    o pkg/diagnostics:
493      - add a parameter to track the status of pkg/diagnostics activation;
494        this replace/extend the use of logical param "settingDiags" (to check
495        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
496        New S/R to print error message and stop when pkgStatus is not right.
497      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
498    
499    checkpoint64m (2013/08/13)
500    o model/inc:
501      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
502        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
503    o pkg/kpp & aim_v23:
504      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
505    o pkg/seaice:
506      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
507        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
508      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
509    o eesupp/src:
510      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
511        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
512    o switch to TAF version-2:
513      - add flow directives to "freeze" naming convention for ad-routines that
514        are used in I/O routines of adjoint state and associated common blocks
515        that are used in adcommon.h (backward compatible with version-1)
516      - update all ad-optfiles (in tools/adjoint_options + few local to some
517        verification exp) to switch to latest TAF version (currently 2.5.5);
518        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
519        out except for diva).
520      - the major change with TAF version-2 is that both the differentiated
521        routines and the forward routines (new) are returned as part of the TAF
522        output source code. Update genmake2 accordingly.
523      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
524        with version-2 when compared to TLM or FWD gradient); other experiments
525        output show minor changes (machine truncation level); update the few AD &
526        TLM output with 12 matching digits only (some prior to version-2 switch).
527    
528    checkpoint64l (2013/08/05)
529    o model/src:
530      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
531      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
532        when using TAF but only if using OpenAD.
533    o pkg/mom_common+fluxform+vecinv:
534      - always set horiz. viscosity arrays to background value before calling
535        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
536        only when using variable horiz. viscosity (useVariableVisc=T);
537      - simplify mom_vecinv.F (only 1 block for momViscosity).
538    o pkg/mom_common: variable horiz. viscosity in NH code
539      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
540        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
541      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
542        useBiharmonicVisc & useVariableVisc.
543      - fix old bug (already in 1rst implementation of variable horizontal viscosity
544        in calc_gw.F, version 1.27, 2006/06/20):
545        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
546        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
547      - change background horiz viscosity in vertical momentum (gW) to always be
548        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
549        any type of variable viscosity, e.g., viscAh/4Grid)
550      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
551        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
552        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
553        default viscAh,viscA4 is zero).
554    o model/src:
555      - extend length of drC & recip_drC from Nr to Nr+1.
556    o Divided Adjoint (DIVA) with MPI:
557      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
558      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
559        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
560    
561    checkpoint64k (2013/07/23)
562    o tools/OAD_support:
563      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
564        and remove it from genmake2.
565    o tools/build_options:
566      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
567        MPI_HEADER_FILES list (let genmake2 find the missing headers)
568    o verification/halfpipe_streamice:
569      - change to driving stress formulation; update both Fwd & AD output.
570    o tools/genmake2 and Divided Adjoint with MPI:
571      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
572      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
573      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
574        Makefile, which is set by genmake2, and check which mpi-headers are needed.
575        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
576      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
577    o testreport:
578      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
579        perform additional runs (number of additional runs is "add_DIVA_runs" taken
580        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
581    o verification/lab_sea (AD test):
582      - change to test Divided Adjoint Run in this set-up (both standard AD test
583        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
584    o pkg atm_ & ocn_compon_interf:
585      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
586        staggerTimeStep implementation) and disable (retired) corresponding
587        parameter.
588    o pkg/offline:
589      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
590      - add S/R OFFLINE_CHECK to print offline parameter summary
591        and stop if loading a file that is not used;
592      - enable to calculate GMRedi tensor, KPP mixing and convective index
593        when the corresponding file(s) is/are not specified (but pkg is used).
594      - comment out resetting of monitorFreq (to endTime) since it still useful
595        for monitoring CFL numbers and checking offline fields.
596    o OpenAD:
597      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
598        smaller standard output) and generate new (smaller) output (on baudelaire
599        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
600    o model/src:
601      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
602        (where external_forcing_adjust was called) and change list of arguments;
603      - merge external_forcing_adjust.F into external_forcing_surf.F
604      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
605        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
606        previously in file "balance_relax.F", now removed); remove corresponding
607        arrays in FFIELDS.h.
608      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
609        a hack for getting back surfaceForcingS (loaded from file) when using
610        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
611      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
612        (was getting only 11 digits for AD-grad, due to different truncation
613         error in AD code).
614    
615    checkpoint64j (2013/07/04)
616    o pkg/offline:
617      - to enable the use of other features with pkg offline (e.g., obcs),
618        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
619      - comment out "allowFreezing" (now active) in 2 offline testing exp.
620    o pkg/exf ALLOW_RUNOFTEMP
621      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
622      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
623      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
624    o pkg/atm_phys:
625      - allows to add some damping on uVel,vVel (strength only function of k).
626    o verification, ad-tests:
627      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
628        global_ocean_ebm and offline_exf_seaice.thsice.
629    o verification/halfpipe_streamice:
630      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
631        flux input boundary conditions to be ignored; a fix for this bug changed
632        verification results for forward test.
633      - add adjoint test.
634    o pkg/ptracers:
635      - allow to restart without SOM pickup (resetting SOM to zero).
636    o pkg/gmredi:
637      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
638      - It uses mixing length theory and suppression by steering level effects to
639        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
640        to JPO, for more details).
641      - It also uses the diffusivity to calculate an eddy induced streamfunction
642        based on a PV closure (rather than a buoyancy closure as in GM).
643      - New files added to pkg/gmredi:
644        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
645          induced overturning streamfunction (called from gmredi_calc_tensor)
646        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
647          for use in gmredi_k3d
648        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
649          the eddy diffusivity
650    
651    checkpoint64i (2013/06/18)
652    o pkg/cheapaml:
653      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
654        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
655        with pkg/cheapaml.
656    o utils/python: add subpackage for cubed sphere function, first example is
657        simple cs.pcol to plot 2D fields on a map
658    o pkg/streamice:
659      - This is a new package in MITgcm, which solves dynamic equations for ice
660         sheets and ice streams
661      - At the moment it is independent of atmosphere/ocean dynamics, or any
662        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
663        ed that this will change)
664      - There is a new verification exercise that tests it, halfpipe_streamice,
665        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
666        rectangular embayment
667      - halfpipe_streamice is forward-only for now, will have TAF test soon
668      - for questions, email dgoldber@mit.edu
669    o pkg/thsice:
670      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
671        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
672      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
673         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
674      - allow precip from pkg/cheapaml to make snow over seaice.
675    o pkg/cfc:
676      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
677      - remove atmos CFC 2-D arrays from common bloc (now local variables)
678      - change some hard-coded constant to run time parameter for reading and
679        and interpolating atmospheric CFC ; keep same default as previously.
680      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
681      - put arguments in standard order: myTime, myIter, myThid
682      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
683        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
684      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
685      - new routine to print summary of CFC params and check for consistency.
686    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
687      similar to thsice_advdiff.
688      Note that for the B-grid case the routine parameters uc/vc are overwritten.
689    o pkg/cfc:
690      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
691        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
692      - fix interpolation of atmphspheric CFC between Sorthern and Northern
693        hemisphere value.
694    o pkg/seaice:
695      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
696    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
697                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
698      - requires an additional time level that is stored in the pickup
699      - you can start with AB2 from a pickup without this time level with
700        pickupStrictlyMatch = .false.
701    
702    checkpoint64h (2013/05/26)
703    o pkg/cheapaml:
704      - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
705        affect machine truncation (but exp cheapAML_box still pass with 13 digits).
706      - consistent treatment of uWind,vWind location: assume everywhere in
707        pkg/cheapaml that they are on C-grid (@ uVel,vVel location)
708        (Note: was already the case for Tair,Qair advection);
709        add option (INCONSISTENT_WIND_LOCATION) to recover old results.
710      - compute diabatic forcing only in the interior (excluding overlap regions)
711      - fill in array "Qsw" (for short-wave heating);
712      - add diagnostic for precip ; fill-in diagnostics for cheapAML state vars
713        before any update (consistent with MITgcm state var diagnostics);
714      - cheapaml_fields_load.F & cheapaml_init_varia.F : only fill outer edges if
715        non periodic ; + adjusted for uWind,vWind (C-grid).
716    o pkg/seaice:
717      - remove dependence of pkg/seaice versus pkg/exf (file: pkg/pkg_depend) and
718        add explicitly pkg/exf in experiments that currently use pkg/seaice.
719      - allows to compile pkg/seaice without pkg/exf.
720    o tools/OAD_support:
721      - use a local copy (ourRWCPinBd) to ensure index ourRWCP stays within bounds
722        of array "ourStepOf" in function rvNextAction (revolve.F90).
723    o pkg/aim_compon_interf renamed to pkg/atm_compon_interf
724      - change pkg name (to be used with other atmospheric physics pkg)
725        but by-pass CVS when making the new pkg so that we keep the CVS history.
726    o pkg/offline:
727      - call OFFLINE_FIELDS_LOAD from pkg/offline/offline_init_varia.F
728        (previously called from pkg/dic_surfforcing_init.F)
729    o model/src:
730      - re-order sequence of calls within packages_init_variables.F, using
731        standard order, except for:
732         DIAGNOSTICS_INIT_VARIA and OFFLINE_INIT_VARIA (called @ the top),
733         CTRL_MAP_INI and OBCS_INIT_VARIABLES (called @ the bottom)
734    o new pkg: atm_phys
735      - add entry point and source code (previously in contrib
736          verification_other/atm_gray/code_gray/) for new pkg "atm_phys"
737        (atmospheric physics pkg from P. O'Gorman and T. Schneider, JCl, 2008).
738      - re-order sequence of calls within packages_readparms.F,
739         packages_init_fixed.F and packages_write_pickup.F
740        (but skip packages_init_variables.F because of TAF issues).
741      - update contrib/*/atm_gray/ experiment.
742    o pkg/seaice (ITD code):
743      - simplify and fix the writing of pickup-files for ITD case
744    o pkg/seaice (ITD code):
745      - introduce floe size dependent lateral melt for ITD case;
746      - cleaning (avoid division by zero, change to f77 syntax, remove tabs)
747      - update seaice_itd experiment main output.
748    o pkg/thsice:
749      - remove snowPrc from common block THSICE_FLUX, in THSICE_VARS.h and
750        declared it locally (without bi,bj) in thsice_main.F & aim_do_physics.F;
751        changed accordingly pkg/atm2d.
752    
753    checkpoint64g (2013/05/01)
754    o pkg/exf ALLOW_RUNOFTEMP
755      - if defined,  river and glacier runoff temperature can be read-in from
756        runoftempfile; runoftempfile needs to have same format as runofffile
757    o pkg/thsice (& pkg/bulk_force):
758      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
759        for energy content of Precip + RunOff & Evap (like with pkg/exf).
760      - change computation domain to always be the interior (without overlap).
761      - fix bug (wrong overlap) when using EXF and stressReduction > 0.
762    o verification/tutorial_global_oce_biogeo:
763      - add preliminary OpenAD setup (still has problems)
764    o pkg/seaice:
765      - turn some parameters for choosing the convergence criterion of
766        the inexact Newton method (JFNK) into runtime parameters for convenience
767      - clean up seaice_calc_viscosities.F: remove/retire two options for
768        SEAICetaZmethod (1,2), introduce area weighting for method 3; this changes
769        the results of lab_sea/input because a division has been replaced by
770        a multiplication with the reciprocal (sumNorm)
771      - modify offline_exf_seaice/input.dyn_jfnk/data.seaice to improve
772        convergence of solver (changes results, of course), and to test some
773        new features
774    o model/src:
775      - remove unused (since Aug 2006) S/R SET_WRITE_GLOBAL_PICKUP and its call.
776      - remove unused forcing field "dQdT" and associated parameter "dQdTFile".
777      - move forcing adjustment (balancing surface forcing) in specific S/R
778        where might also be applied exchanges (if needed) to forcing arrays.
779    o pkg/shelfice:
780      - allow to specify the Ice-Shelf mass per unit area (instead of
781        shelficeLoadAnomaly) and do the conversion from one to the other
782      - move loading from file of shelficeLoadAnomaly from SHELFICE_INIT_VARIA
783        to SHELFICE_INIT_FIXED: (a) avoid some TAF recompution issues and
784        (b) will be loaded in time (before calling INI_PRESSURE) in case it is
785        needed in phi0surf for initial pressure calculation when useDynP_inEos_Zc
786      - update isomip experiment forward output (get machine truncation error
787        from conversion shelficeLoadAnomaly -> shelficeMass -> shelficeLoadAnomaly)
788    o verification/offline_exf_seaice:
789      revise data.seaice in input.thermo and input_ad and update results accordingly
790        HO = 0.2, SEAICE_areaLossFormula = 2,
791        SEAICE_growMeltByConv = .TRUE.,
792        SEAICE_doOpenWaterMelt = .TRUE.,
793      Improve consistency with input.thsice and fix the spurious 500m ice corners
794    o verification/global_ocean.cs32x15:
795      - set Energy Reference Level to liq. water @ 0 degC: temp_EvPrRn=0.,
796        in icedyn (thsice+seaice-dyn) test and update output.
797    o verification/offline_exf_seaice:
798      - adjust list of tested variables (with testreport) and update
799        standard test output with better slection of monitored fields.
800    o pkg/cd_code:
801      - swtich off Adams-Bashforth on the 1rst iteration. Update output of
802        experiment lab_sea.hb87
803    o tools/genmake2:
804      - change default makedepend from the system default to tools/xmakedepend:
805        When no makedepend is specified, select tools/xmakedepend it the test pass,
806        otherwise select the system default (if exist and pass the test) or
807        try to build cyrus-makedepend ; stop if none of the 3 works.
808    o pkg/exf & pkg/thsice:
809      - In case Energy-Reference-Level (ERL) is used (temp_EvPrRn=0), account
810        for energy content of Precip + RunOff & Evap. Assumes:
811       1) Rain has same temp as Air.
812       2) Snow has no heat capacity (consistent with seaice & thsice pkgs)
813       3) Run-Off comes at the temp of surface water (with same Cp)
814       4) Evap over ocean is released to the Atmos @ surf-temp (=SST); should be
815        put directly into Latent Heat flux & should use water-vapor heat capacity.
816       5) Evap over snow/seaice (pkg/thsice) assumes constant Lf+Lv (consistent
817        with snow having no Cp) => water vapor is released to Atmos @ 0^oC (=ERL).
818    o pkg/seaice: simplify the use of CPP flags in JFNK-related files
819        (compile when SEAICE_ALLOW_JFNK is defined)
820    o pkg/thsice:
821      - fix oceanic flux diagnostics & timeave (left from new sequence of calls
822        implementation): move THSICE_AVE call after the advection (called directly
823        from thsice_do_advect.F).
824    o verification/global_ocean.90x40x15 and OpenAD:
825      New experiment for OpenAD is identical to the one in input_ad except that
826        multiDimAdvection=.FALSE.,
827      There is still an issue with this.
828    o pkg/thsice:
829      - account for ice velocity (ocean relative velocity) in turbulent heat flux
830        at the base of the ice; update output of global_ocean.cs32x15 (icedyn)
831        and offline_exf_seaice (main test).
832    
833    checkpoint64f (2013/03/31)
834    o verification/OpenAD:
835      - new (smaller, without OAD_DEBUG) output_oadm.txt generated using gfortran.
836    o verification/isomip, pkg/shelfice and OpenAD:
837      - add OpenAD setup to this exp and make shelfice package work with OpenAD
838    o verification/tutorial_global_oce_biogeo:
839      - update AD and TLM output after turning off ALLOW_FE (in DIC_OPTIONS.h)
840    o verification/offline_exf_seaice:
841      - replace adjoint experiment (now similar to fwd input.thermo/ setup).
842    o verification/tutorial_tracer_adjsens, pkg/ptracers and OpenAD:
843      - add OpenAD setup to this exp and make ptracers package work with OpenAD
844    o pkg/seaice/seaice_evp.F:
845       mask the asymmetric contribution of the ice-ocean stress (when
846       the turningAngle is non-zero) over open water to avoid stripes
847       in the EVP-solutions after many EVP-substeps. This does not change
848       the verification experiment (because turningAngle=0 in that experiment),
849       but will affect other EVP solutions with turningAngle.ne.0
850    o verification, AD & TLM output:
851      - new TAF version 2.3.10 (previously 2.3.8) add more parenthesis in multiple
852        additions and multiplications which affect results at machine truncation
853        level. Update few AD output (1D_ocean_ice_column, bottom_ctrl_5x5,
854        lab_sea.noseaicedyn & offline_exf_seaice) and TLM output
855        (1D_ocean_ice_column & tutorial_tracer_adjsens.som81) which had only 12
856        digits of matching.
857    o pkg/seaice:
858       modify lsr-algorithm so that it vectorizes AND converges by using a
859       "zebra" method: split vector loop into two with step size 2; this
860       solves a general convergence problem for the JFNK solver on a vector
861       computer. It has the potential to even improve convergence for
862       non-vector machines, but it does change the results so it is turned
863       off by default. To turn on define CPP-flags SEAICE_VECTORIZE_LSR and
864       SEAICE_VECTORIZE_LSR_ZEBRA in SEAICE_OPTIONS.h
865    
866    checkpoint64e (2013/03/05)
867    o pkg/ecco and several verification experiments:
868       Remove special versions of the_model_main.F, the_main_loop.F, forward_step.F
869       from ecco package, and revert to unified routine in model/src/
870       Adjust verification experiments accordingly, especially gloal_oce_llc90
871       Should conclude long-standing work by Gael to reconsile the_main_loop with
872       ECCO and will enable OpenAD's revolve loop in ECCO setup.
873    o pkg/generic_advdiff:
874      - implement compressible flow method for multi-dim advection (similar to
875        gad_som_advect.F); add new option "GAD_MULTIDIM_COMPRESSIBLE" (since
876        TAF generates many recomputations) to use it; no yet coded with implicit
877        vertical advection.
878      - change experiment advect_cs (new output) and advect_xy (same output)
879        to test compressible flow multi-dim advection.
880    o pkg/generic_advdiff:
881      - fix SOM advection for unusual cases (linear Free-Surf in r*, other
882        cases where linear Free-Surf is not @ k=1, e.g., useShelfIce)
883    o pkg/seaice:
884      - fix bug in the no-slip implementation in seaice_calc_strainrates.F, this
885        bug affects two verification experiments (lab_sea and lab_sea.hb87),
886        recover old (wrong) results by setting noSlipFac = 2. in
887        seaice_calc_strainrates.F;
888      - add another averaging method for etaZ (etaZmethod=3), a mix of 2 and 0
889      - add runtime parameter SEAICE_JFNKepsilon for that finite difference
890        gradient in the Jacobian times vector operation (s/r seaice_jacvec)
891      - fix line search in seaice_jfnk.F (s/r seaice_jfnk_update)
892    o pkg/seaice: reorganize seaice_lsr.F to be able to reuse more code:
893      - new subroutines seaice_lsr_tridiagu/v
894      - introduce loop bounds i/jmin/max to be able to use a restricted
895        additive Schwarz method, but not used for now.
896      - rename SEAICE_CALC_LSR_COEFFS into SEAICE_LSR_CALC_COEFFS
897      - use new subroutines seaice_lsr_tridiagu/v in s/r seaice_preconditioner
898    o OpenAD support
899       Reorganize S/R call for overall time-stepping loop to facilitate
900       OpenAD revolve loop replacement
901       (new S/R main_do_loop.F)
902    o model/src:
903      - add 3-D array 3rd dimension to argument list of S/R ADAMS_BASHFORTH2/3;
904      - pkg/cheapaml: remove local S/R ADAMS2d and use instead standard S/R
905        ADAMS_BASHFORTH2.
906    o pkg/cheapaml:
907      - add new parameter (default=F, same as before) to disable full domain
908        (including land) periodicity in X & Y dir.
909      - new S/R CHEAPAML_COPY_EDGES to copy relaxation field into edges of
910        prognostics field ; merge the 2 S/R cycle_2d_tracer and timestep_2d_tracer
911        into single S/R CHEAPAML_TIMESTEP.
912    
913    checkpoint64d (2013/02/17)
914    o pkg/monitor (angular momentum):
915      - do not add Eta contribution to the total AM if using rigid-lid;
916      - correct for Adams-Bashforth in zonal-wind part (instead of in AM_eta).
917      - horizontal discretisation: compute Zonal wind contribution separately for
918        each component (instead of from cell centered averaged) and use the 4
919        grid-cell corner averaged value of Omega*(R*cos_Phi)^2 in AM_eta part.
920      - Check that AM is conserved with linear dynamics (momAdvection=F and linear
921        FreeSurf) if using vectorInvariant momentum.
922    o model/src (horizontal grid):
923      - move initialisation of all horizontal grid arrays to null value
924        from specific horizontal grid S/R to main S/R INI_GRID;
925      - add 2 new arrays to project model C-grid velocity on to zonal direction
926        (similar to AngleCosC & -AngleSinC but at U and V point location) and
927        compute them in S/R CALC_GRID_ANGLES.
928    o pkg/seaice: replace a hard coded parameter by a runtime parameter
929        SEAICE_JFNK_tolIter
930    o pkg/seaice: introduce a restricted additive Schwarz (RAS) method in
931        preconditioner for JFNK (run LSR into the overlaps as far as possible,
932        i.e OLx/y-2, but overwrite the solution in the overlaps)
933      - extend loop range in seaice_calc_viscosity
934      - add new parameters SEAICE_OLx/y (default = OLx/y-2)
935      - add flexible loop ranges to seaice_preconditioner, seaice_calc_lsr_coeffs
936      - slightly modify loops in tridiagonal solver lsr-preconditioner
937      - by default remove the extra exchange in seaice_preconditioner with a
938        replacement of an undocumented CPP flag by SEAICE_PRECOND_EXTRA_EXCHANGE
939      - modify offline_exf_seaice so that old results without RAS are reproduced
940        for output.dyn_jfnk.txt
941      in seaice_fgmres.F (unrelated to RAS)
942      - add a cpp-flag option for a re-ordered mapping (potentially more
943        efficient), but because this changes the results, turn it off by
944        default
945      - replace the save statement by local common blocks
946    o utils/matlab:
947      - fix tile-offset in rdmnc.m when output was produced using EXCH2.
948      - update cs_grid/bk_line scripts to use load_grid.m (in utils/matlab)
949        instead of local script "load_cs.m".
950    o pkg/seaice:
951      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
952        to the scalarProductMetric and the unrolling. By chance this does not
953        change the verification experiment, because of the particular domain
954        decomposition
955    o pkg/diagnostics:
956      - change default missing_value from UNSET_RL to -999.
957    o pkg/layers: improve vectorization of layers_fluxcalc.F
958      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
959        time spent in this routine by more than a factor of 3 on an NEC-SX8
960      - step 2: replace search algorithm by a bisection algorithm found in
961        Press et al. Numerical Recipes in Fortran. This algorithm can be
962        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
963        For now, use this algorithm only for TARGET_NEC_SX defined.
964      - moved the search algorithm into a separate subroutine, that is kept
965        within the same file for automatic inlining.
966      - modified catching potential errors
967    o pkg/ecco:
968      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
969    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
970      - modifications for ALLOW_GENTIM2D_CONTROL
971      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
972      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
973      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
974      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
975    o model/src:
976      - account for moist thermodynamics in (dry) potential temperature equation;
977        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
978        and cpl_aim+ocn.
979      - also switch to standard compiler (gfortran, was using ifort previously)
980        for fizhi-cs experiments reference output.
981    o pkg/ctrl:
982      - 1st step toward generic time-varying control variable (2D) via CPP option
983        ALLOW_GENTIM2D_CONTROL
984      - note new namelist ctrl_nml_genarr in data.ctrl
985    o verification/global_ocean.cs32x15:
986      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
987        thsice calling sequence and update "output.icedyn.txt" output file.
988    o pkg/ptracers:
989      - from Ryan A.: code to allow to restart a tracer at regular time interval
990        specifying a reset frequency and a reset-phase (for each tracers).
991    o pkg/thsice:
992      - implement new sequence of calls for thsice+seaice:
993          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
994          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
995      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
996        in CPP_OPTIONS.h) to recover old sequence;
997      - update diagnostics for Intermediate State thsice diagnostics: now filled
998        just before advection (instead of just after advection in old sequence);
999      - update output of experiment offline_exf_seaice (standard test);
1000      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
1001        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
1002    o pkg/aim_v23:
1003      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
1004      - use standard pkg/mdsio routines to read & write CO2 pickup file;
1005      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
1006      - Implement new sequence of calls for seaice advection (with thsice and
1007        seaice diffusion): do ice advection after ice-Thermodynamic (previously
1008        was done before); change aim_do_physics.F (split the bi,bj loops block);
1009      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
1010    o pkg/thsice:
1011      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
1012        where just seaice diffusion is used without seaice-dynamics.
1013    
1014    checkpoint64c (2013/01/18)
1015    o pkg/seaice:
1016      - add a parameter JFNKres_tFac that can replace JFNKres_t
1017        (= JFNKres_tFac*JFNKresidual before JFNK solver)
1018      - add a line search option to the JFNK solver
1019      - move update of u/vIce and computation of initial residual into a separate
1020        routine (same file); makes the code a little easier to read (?)
1021      - the line search requires computation of the residual and for some reason
1022        I cannot do the update of u/vIce at the beginning of the Newton loop
1023        without changing the results, so we move computation of the new residual
1024        also to the end of the Newton loop, even without the line search
1025    o pkg/mdsio:
1026      - write missing value (corresponding to undefined array value) to meta files;
1027        skip this if missing value is one (UNSET_RL would be a better value for the
1028        case of undefined missing value but it's current the default missing-value);
1029        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
1030    o pkg/exf & thsice:
1031      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
1032        diagnostics) even when SHORTWAVE_HEATING is #undef;
1033    o verification/cfc_example:
1034      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
1035        illustrate how to use it).
1036    o verification/offline_exf_seaice:
1037      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
1038        files to only one time-record.
1039      in input.thermo: narrow the 2 bands of low initial ice-concentration near
1040        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
1041        snapshot output; same mcPheePiston value as in thsice with
1042        surf-current=0.2m/s.
1043      in input.thsice: similar set-up as in input.thermo (channel with same seaice
1044        initial conditions).
1045    o verification/cfc_example:
1046      - update file "data" with more standard choice (default rotationPeriod,
1047        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
1048        set deltaTFreeSurf to deltaTtracer) and update the output.
1049    o pkg/layers:
1050      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
1051      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
1052    o verification/offline_exf_seaice:
1053      - set all {field}period to zero for constant-in-time forcing (not tested
1054        anywhere else).
1055    o verification/offline_exf_seaice:
1056      - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
1057      - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
1058    o model/src:
1059      - implement Finite-Volume method for (hydrostatic) presure gradient
1060        from S.-J. Lin (QJRMS 1997), for atmosphere using sigma-coordinate.
1061    o pkg/seaice: implement EVP* by Lemieux et al. (2012).
1062      - In order to be compatible with the default EVP code, this requires changing
1063        the EVP code around a little; and because any small change immediately
1064        breaks the lab_sea.hb87 verification experiment, the reference output is
1065        updated two times (each time the remaining aggrement was only 2 digits):
1066        - after replacing 1/dt by 1*recip_dt with a precomputed recip_dt
1067        - after replacing 1/(1+0.5*dt/tau) by a/(a+1), with a=2*tau/dt
1068        The adjoint test lab_sea.evp also needed to be updated.
1069      - Turn on EVP* by setting SEAICE_deltaTevp as before, and setting
1070        SEAICEuseEVPstar=.true.; for EVP* SEAICE_deltaTevp does not need to be
1071        a factor of SEAICE_deltaTdyn, and you can set the number of EVP steps
1072        explicitly with SEAICEnEVPstarSteps (thereby overriding the default of
1073        INT(SEAICE_deltaTdyn/SEAICE_deltaTevp)). Controlling EVP* is deliberately
1074        kept obscure, because I need to test it a little more.
1075    o pkg/cheapaml:
1076      - fix few incorrect type (_RL/_RS) in subroutine calls.
1077    o pkg/seaice:
1078      - new S/R SEAICE_MAP_RS2VEC (similar to SEAICE_MAP2VEC) to map _RS arrays
1079        to _RL vector; this fixes JFNK code when compiling with "-use_r4" option.
1080    o model/src:
1081      - add a warning if using select_rStar=2 with nonlinFreeSurf <> 4;
1082        change (in input_ad*/data) select_rStar from 2 to 1 for AD verification
1083        experiments global_ocean.cs32x15 & tutorial_tracer_adjsens (+ update output)
1084    o pkg/cheapaml:
1085      - replace "273.1 _d 0" by celsius2K in pkg/cheapaml/cheapaml.F and
1086        update output of experiment cheapAML_box.
1087      - store in CHEAPAML.h coeffs ssq[0:2] for saturation specific humidity,
1088        and set them only in one place (cheapaml_readparms.F).
1089      - replace "273.16 _d 0" by celsius2K & replace "3.14159 _d 0" by constant "PI"
1090      - remove re-setting of main-model parameter "celsius2K" (in cheapaml_readparms)
1091        and re-setting of cheapAML params "lath" & "p0" (in cheapaml_init_varia).
1092    o model/src/the_main_loop.F:
1093      - fix revision 129 : need both ALLOW_ECCO and ALLOW_ECCO_EVOLUTION.
1094    o pkg/seaice:
1095      - remove legacy branch code.
1096      - retire SEAICE_GROWTH_LEGACY and SEAICE_CAP_HEFF accordingly.
1097    o verification/*/code*/SEAICE_OPTIONS.h:
1098      - remove documentation for retired CPP flags (SEAICE_GROWTH_LEGACY,
1099        SEAICE_CAP_HEFF).
1100    o pkg/cheapaml:
1101      - use standard routine (S/R GET_PERIODIC_INTERVAL) to decide when it is time
1102        to load new forcing fields.
1103      - add missing "_d 0" where it's needed; + some editing (improve indentation).
1104      - remove switch to "-r8" compiler option (no longer needed) in verification
1105        cheapAML_box, keep same output (small trucation error differences).
1106    o verification/offline_exf_seaice:
1107      - add thermodynamics only test.
1108    o verification/cheapAML_box:
1109      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
1110        keep same output (same 14 digits for cg2d).
1111      - switch on "-r8" compiler option (some numerical values are missing
1112        the "_d 0") and update output (only 6 digits for cg2d were preserved).
1113    
1114    checkpoint64b (2012/12/24)
1115    o pkg/cheapaml:
1116      - remove un-used variables (Qnet,EmPmR) from pickup files.
1117      - store tendency of advected variables into cheapaml pickup file
1118        and fix the AB-2 restart.
1119    o verification/offline_exf_seaice and lab_sea adjoint:
1120      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
1121      - switch to 4 time steps in offline, consistent with lab_sea.
1122      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
1123      - update results after change of experiment seaice.
1124    o pkg/seaice:
1125      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
1126        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
1127        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
1128        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
1129    o model/src:
1130      - add run-time parameter to select CG2D solver minimum-residual solution
1131        (in case of a poor convergence).
1132    o pkg/seaice/seaice_lsr.F
1133      - move calculation of matrix coefficients into new
1134        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
1135        file; the main purpose of this change is to be able to reuse the code
1136        in S/R SEAICE_PRECONDITIONER
1137      - modify the computation of the residual so that the mass of sea-ice
1138        is not used twice; this simplifies the calculations, but since
1139        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
1140        not tested in testreport---this does not affect the testreport results.
1141    o verification/seaice_obcs:
1142      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
1143        verification/lab_sea/input.salt_plume; changes results/output.txt*
1144    o model/src:
1145      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
1146    o pkg/seaice:
1147      - improve description of parameters in seaice_fgmres.F and start
1148        cleaning up the code
1149      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
1150        second argument
1151      - add a metric based on grid cell area to SEAICE_SCALPROD; update
1152        results of offline_exf_seaice.dyn_jfnk
1153      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
1154    o pkg/aim_v23:
1155      - fix an other bug in dissipation heating (grid-cell area was missing).
1156    o model/src + pkg/seaice:
1157      - add global (multi-tile) linear solver for pair of tri-diagonal system
1158        along X and Y lines, respectively for U and V component.
1159        Note: 1) MPI and cube-exchange not yet coded.
1160            2) probably not accurate for poorly conditioned / large size problem.
1161      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
1162        default: not compiled and not used.
1163    o pkg/seaice:
1164      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
1165        introduce bi/bj loops and use global_sum_tile_rl instead of
1166        mpi_allreduce in seaice_fgmres.F
1167      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
1168      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
1169      - add a verification experiment for JFNK in offline_exf_seaice
1170    o verification:
1171      - change (for now, only fwd test) offline_exf_seaice experiment:
1172        use a re-entrant channel with idealized coastline (trapezoidal shape)
1173        at southern boundary to explore seaice dynamics and thermodynamics
1174        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
1175        secondary test (input.thsice) use thermodynamics only with SST relaxation.
1176      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
1177    o pkg/exf:
1178      - disable "sstExtrapol" when Nr=1
1179    o verification:
1180      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
1181        to test pkg/cheapaml.
1182    o pkg/aim_v23 & pkg/shap_filt:
1183      - fix dissipation heating (erroneous gravity multiplication factor).
1184    o pkg/seaice:
1185      - remove unused field pressPre from jfnk solver
1186      - rename two subroutines in seaice_preconditioner.F
1187    o eesupp/src:
1188       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
1189    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
1190       - remove wrong parts of the rhs and the lhs (were in there
1191         because I did not understand the concept of this preconditioner)
1192       - add an exchange between u- and v-sweep. This increases communication
1193         by a factor of two but improves the convergence of jfnk. Ideally,
1194         one would like the u- and v-sweep to be independent. So far within
1195         undocumented ifdefs
1196       - reorganize the extra computations for printing the residuals
1197    o tools/genmake2:
1198      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
1199        since it's not necessary (and was preventing to use MNC in some cases).
1200    
1201    checkpoint64a (2012/11/16)
1202    o pkg/autodiff:
1203      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
1204        autodiff_readparms.F no longer depends on calling order (within
1205        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
1206        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
1207        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
1208    o pkg/obcs:
1209      - adding tidal velocity forcing capability to obcs
1210        for usage example, see verification/seaice_obcs/input.tides
1211    o pkg/seaice:
1212      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
1213        SEAICE_LSRrelaxU/V
1214      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
1215    o pkg/aim_v23:
1216      - implement heating from friction (bottom friction and stratospheric drag).
1217    o pkg/shap_filt:
1218      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
1219        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
1220    o model/src:
1221      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
1222        time-constant addMass field from file (addMassFile);
1223      - support for heating due to friction (and Kinetic Energy dissipation):
1224        add option, run-time switch and 3-D field array + support code ; each pkg
1225        or S/R can add heating contribution (if there is a sink of KE); the sum is
1226        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
1227    o pkg/seaice:
1228      - complete merge of ITD code into seaice_growth.F
1229        from MITgcm_contrib/torge/itd/code/
1230        no verification so far, but Torge Martin tested
1231        "1-D test case and Beaufort set up;
1232        deliver okay results after 1 model year."
1233      - complete merge of SEAICE_SIZE.h into all relevant routines
1234      - move computation of eta at Z-points into calc_viscosities
1235        + introduce global field etaZ
1236        + add different methods for computing etaZ, for now the old
1237          method (simple averages of eta to Z-points) is hardwired
1238        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
1239          seaice_preconditioner
1240      - simplify computations for SEAICE_ZETA_SMOOTHREG
1241      - seaice_preconditioner:
1242        + replace one remaining press by pressLoc (mistake)
1243        + adjust printing of residuals
1244      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
1245        + add (SEAICE.h) and rename some counters (initiliased in
1246          seaice_init_fixed.F)
1247        + add _BEGIN/END_MASTER (myThid)  around print statements
1248        + print total number of iterations and failures over SEAICE_monFreq
1249          interval to STDOUT
1250      - move control over output-messages by fgmres to seaice_jfnk to save
1251        some operations
1252      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
1253        in order to make restarts with sol .ne. zero (fgmres with restarts)
1254        (seaice_jfnk.F, seaice_fgmres.F)
1255      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
1256        a serious convergence problem when open boundaries are involved
1257    o pkg/ggl90: fix computation of control volumes for the case of
1258      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
1259      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
1260    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
1261    o pkg/autodiff
1262      - Add inAdMode switch for SEAICEuseDYNAMICS:
1263        SEAICEuseDYNAMICSinAdMode
1264        (extend logic in ADAUTODIFF_INADMODE_SET)
1265    o pkg/seaice
1266      - Step 1 of merging ice-thickness distribution (ITD) code from
1267        MITgcm_contrib/torge/itd/ (author: Torge Martin)
1268        The code implements concept laid out in Thorndike et al. (1975);
1269        code is enabled via CPP flag SEAICE_ITD
1270        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
1271        code is not complete yet!!
1272      - SEAICE_SIZE.h now included in almost all seaice routines
1273    o verification (using seaice):
1274      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
1275        global_ocean.cs32x15.seaice ; update results.
1276      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
1277      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
1278        offline_exf_seaice (previously compiling B-grid).
1279    o pkg/exf:
1280      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
1281        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
1282        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
1283    o pkg/layers (adjust changes from Sept 19):
1284      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
1285        this allows to remove "layers_maxNum" dimension from all layers arrays.
1286    o pkg/layers (adjust changes from Sept 19):
1287      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
1288      - snap-shot extended to all type of layers (not just the 1rst type);
1289      - remove layers variables when corresponding CPP option is undef.
1290    o pkg/layers:
1291      - rename pkg/layers variable and add new output (layer exist & un-weighted
1292        velocity in layer)
1293    o pkg/seaice:
1294      - simplify (?) ocean-drag coefficent computations by using
1295        the same routine in all three solvers (saves some code lines)
1296      - remove global fields DRAGA and DRAGS from C-grid code and
1297        declare them locally in lsr.F (the only place where they are
1298        still used)
1299      - update AD output of lab_sea.evp (very sensitive anyway).
1300    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
1301      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
1302      and SEAICEuseJFNK=.true. A few things to note:
1303      - involves a FGMRES, that is parallel but very inefficient,
1304        because of many scalar products (global sums) in the Gram-Schmidt
1305        orthogonalization method. Needs to be replaced. Original code
1306        from J.-F. Lemieux
1307      - preconditioner for FGMRES is a stripped down version of LSOR
1308      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
1309        preconditioner. For the preconditioner, the default is set to 10.
1310      - Jacobian times vector is computed with finite differences
1311      - marginally related to JFNK-solver: add a smooth regularization for
1312        zeta with tanh that will improve convergence (Lemieux and Tremblay,
1313        2009) for any implicit solver (not implemented for EVP because EVP
1314        does not need this regularization in the first place). Define
1315        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
1316    o eesupp/src:
1317      - check in genmake2 that intrinsic S/R flush is available.
1318      - add S/R to flush IO unit (if intrinsic S/R flush is available)
1319      - flush standard & error msg unit before MPI termination
1320      - if debugMode, flush IO unit after printing msg
1321    o pkg/ctrl:
1322      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
1323        to ctrl_set_unpack_xyz.
1324    
1325    checkpoint64 (2012/10/09)
1326    o pkg/shelfice
1327      - in mom_fluxform.F, mom_vecinv.F:
1328        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
1329        Bug fix KappaRU -> KappaRV
1330        does not change verification/isomip but may change other setups
1331        (presumably constant KappaRU=KappaRV)
1332      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
1333    o pkg/obcs:
1334      - fixed some indexing bugs in obcs_seaice_sponge.F
1335      - added obcs relaxation subroutines for HSALT and HSNOW
1336      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
1337    o pkg/seaice:
1338      - add "multicategory" parameterization for snow in analogy to ice,
1339        default is off for now.
1340    o pkg/obcs:
1341      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
1342        see verification/seaice_obcs/input.seaiceSponge for example application.
1343      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
1344        index setting by master-thread. This fix multi-threads Pb in previous modifs.
1345    o pkg/layers :
1346      - add diagnostics to pkg/layers
1347      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
1348        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
1349    o pkg/generic_advdiff/gad_implicit_r.F :
1350      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
1351    o pkg/seaice/seaice_growth.F:
1352      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
1353    o pkg/obcs:
1354      - change default setting of OBCS_UVICE_OLD from defined to undef;
1355      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
1356        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
1357      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
1358      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
1359        with Southern & Western OB at a tile edge (at least in a simple set-up).
1360    o pkg/obcs:
1361      - change settings of OB index in case OB coincides with tile edge (shared by
1362        2 tiles), so that common OB location is registered by both tiles (instead of
1363        only 1). However, for Southern and Western OB, index value = 0 is not
1364        recognized as valid OB index (=default null value) and needs to be fixed.
1365      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
1366      - new parameter "OB_indexNone" for null index value (for now, still zero)
1367        to replace hard-coded null index value of zero.
1368    o pkg/exch2:
1369      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
1370        always check buffer-size (but outside the loop); move checking for valid
1371        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
1372        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
1373    o pkg/ctrl (pack & unpack):
1374      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
1375        (locally defined) for different variables (+ remove the variable-specific
1376        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
1377        (to be extended to other local file names in ctrl.h).
1378    o pkg/flt:
1379      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
1380    o pkg/mdsio:
1381      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
1382    o tools/genmake2:
1383      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
1384        (added by Alistair in version 1.51 for building without make depend);
1385      - remove Header files list (H_SRC_FILES) from the dependence of targets
1386         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
1387        place in version 1.23): this save going through staf when unrelated header
1388        file has been modified.
1389       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
1390        "make depend" step, still need to do "make links" before "make adtaf".
1391    o eesupp/src (+ few pkg src files) & genmake2:
1392      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
1393      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
1394      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
1395         upper/lower case ; account for space between "#" and undef/define)
1396    o pkg/flt (with exch2):
1397      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
1398      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
1399    
1400    checkpoint63s (2012/09/05)
1401    o pkg/ecco:
1402      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
1403      - add more relevant #ifdef ALLOW_SMOOTH ones.
1404      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
1405    o pkg/ctrl:
1406      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
1407        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
1408      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
1409        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
1410        ctrlSmoothCorrel3D (new).
1411        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
1412      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
1413      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
1414        controls when useAtmWind, and vice versa.
1415      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
1416      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
1417          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
1418      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
1419          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
1420      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
1421        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
1422    o pkg/smooth:
1423      - remove un-necessary includes.
1424      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
1425        Those CPP options were never defined, and not necessary.
1426    o model/src:
1427      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
1428      - standard treatment of useSMOOTH.
1429    o pkg/autodiff:
1430      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
1431        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
1432    o pkg/exch2:
1433      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
1434        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
1435      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
1436        and tiles to process mapping.
1437      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
1438        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
1439        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
1440        from w2_eeboot.F to w2_readparms.F.
1441    o eesupp/src:
1442      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
1443        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
1444        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
1445      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
1446        is defined (remove condition on usingMPI) to match cases where MPI_INIT
1447        has been called.
1448      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
1449      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
1450        (so that on 1 proc, get same myPid independently of usingMPI)
1451      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
1452        useCubedSphereExchange with EXCH-1 (safer).
1453      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
1454    o pkg/ggl90:
1455      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
1456        used in ALLOW_GGL90_SMOOTH code.
1457    o pkg/flt:
1458      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
1459        floats at the Southern end of the domain).
1460    o eesupp/inc:
1461      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
1462        but not used (and not to be used) anywhere, just for documentation.
1463    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
1464      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
1465        a) can damage previously written records in any other multi-record files.
1466        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
1467    o tools/genmake2:
1468      - define variable MAKE within Makefile and use it in place of 'make';
1469      - update AD_CONFIG.h (if needed) before building any of the executable
1470        (forward, adjoint or tangent-lin); this involves a 2nd invocation of make;
1471        and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
1472      - always print usual warning comment 'this file is automatically generated'
1473        from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
1474    o pkg/cheapaml:
1475      - updated to correspond to the code used in accepted paper (Nico Wienders).
1476    o pkg/exf:
1477        added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
1478        ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)
1479        and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).
1480    o pkg/exf, autodiff, ctrl, ecco and seaice:
1481        remove ALLOW_ATM_WIND brackets, or replace them with useAtmWind ones.
1482    o pkg/ctrl, ecco:
1483        allow to compile both ALLOW_U/VSTRESS_CONTROL and ALLOW_U/VWIND_CONTROL.
1484        Depending on useAtmWind, one is inactive, and the other is active (see
1485        exf_getffields.F/exf_getsurfacefluxes.F).
1486    o tools/genmake2:
1487      - improve error msg when failing in 2nd test of check_for_broken_Ff
1488      - fix option '-makefile' short-name (-mf according to genmake2 -help)
1489      - source local config file "genmake_local" just after processing the genmake2
1490        command arguments (previously done before processing arg).
1491    o pkg/grdchk:
1492      - add a call to TURNOFF_MODEL_IO for Tangent-Linear run (in this case, call
1493        to this routine from cost_final has been dropped in g_cost_final)
1494      - improve printed information (more explicit msg, no longer using "print *,"
1495         fix fcpertminus printed value).
1496    o model/src:
1497      - move call to COST_INIT_VARIA out of packages_init_variables.F directly
1498        into initialise_varia.F (just after calling PACKAGES_INIT_VARIABLES):
1499        this prevents getting cost-funct reset in adinitialise_varia recomputations.
1500    o pkg/dic:
1501      - move initialisation of "freefe" array from from dic_biotic_forcing.F to
1502        fe_chem.F: this prevents TAF from dropping this initialisation in TLM code.
1503    o pkg/grdchk:
1504      - grdchk_main.F : added CALL GLOBAL_SUM_INT( ierr , myThid )
1505      - grdchk_getadxx.F etc. : omit I/O if ierr.EQ.0
1506    o pkg/autodiff/ctrl/grdchk :
1507      - attempt to sort out what works and what does not,
1508        with regard to I/O, and to warn/stop accordingly.
1509    o pkg/grdchk:
1510      - attempt to fix grdchk in the case of useSingleCpuIO.
1511      - "if ( myProcId .EQ. grdchkwhichproc .AND. ierr .EQ. 0 )"
1512       statements were moved from grdchk_main.F and into
1513       grdchk_getadxx.F grdchk_getxx.F grdchk_setxx.F.
1514      - a global sum is applied to record numbers icvrec/layer
1515       out of grdchk_loc so that they be passed to I/O routines.
1516    o pkg/smooth:
1517      - fix recomputation that appeared with nlfs : use smooth_recip_hFacC,
1518        smooth_hFacW, smooth_hFacS (copied at init_fixed) in 3d case.
1519    o verification/testreport:
1520      - add option '-tlm' for Tangent-Linear test (-adm,-oad,-tlm are all exclusive);
1521      - can also use compressed (gzip) reference output file;
1522      - change format (in pkg/grdchk) of TLM output (+ add forward gradient)
1523        to be easier to collect by testreport.
1524      - update existing TLM output (half out-of-date by more than 3 yrs).
1525      - report NETCDF & LAPACK settings (from genmake2) in output dir.
1526      - report run-time in each individual summary (previously only for AD test);
1527        for TLM test, add also TAF version.
1528      - add daily TLM test on (old) aces cluster + weekly test on baudelaire.
1529    
1530    checkpoint63r (2012/08/15)
1531    o tools/genmake2:
1532      - fix Makefile for target ftlall (+ update files to clean after make ftlall)
1533    o pkg/ecco/ecco_cost_final.F :
1534      - fix fc print statements (to stdout and costfunction0000) so
1535        that the printed value is always after the global sum.
1536    o pkg/seaice/seaice_dynsolver.F :
1537      - fix ice strength assymptote at SEAICE_area_max<1
1538        (no change for the standard case of SEAICE_area_max=1)
1539    o some cleaning:
1540      - pkg source files: ensure that all *.F files from each pkg included the
1541        corresponding ${PKG}_OPTIONS.h file (except stand-alone src file which
1542        only includes CPP_EEOPTIONS.h); fix S/R CTRL_SMOOTH ; update AD experiment
1543        code_ad/*.F src files; add new option-file in pkg/admtlm + corresponding
1544        includes;
1545      - model/src: add PACKAGES_CONFIG.h wherever ALLOW_AUTODIFF[_TAMC] is used.
1546      - ALLOW_DIFFKR_CONTROL: add a stop in S/R CTRL_CHECK in case ALLOW_3D_DIFFKR
1547        is undef; also define /DYNVARS_DIFFKR/ common block in DYNVARS.h when
1548        ALLOW_DIFFKR_CONTROL is defined, to allow to compile and reach this stop.
1549      - update option-file CPP_OPTIONS.h of all AD experiments:
1550        * no longer include PACKAGES_CONFIG.h ;
1551        * includes ECCO_CPPOPTIONS.h if PACKAGES_CONFIG.h has been included ;
1552        * def/undef ALLOW_3D_DIFFKR independently of ALLOW_DIFFKR_CONTROL (before
1553          including ECCO_CPPOPTIONS.h).
1554    o pkg/cost, pkg/ctrl, pkg/ecco option-file:
1555      - clean-up and split content of old pkg/ecco/ECCO_CPPOPTIONS.h file into
1556        separated pkg option-file (done according to old doc from ECCO_CPPOPTIONS.h,
1557        not necessary accurate).
1558      - add a template for option-file ECCO_CPPOPTIONS.h, mostly empty, in
1559        pkg/autodiff, i.e., the 1rst pkg to compile for adjoint built, with lines to
1560        deliberately break compilation (a remainder that it needs to be customized)
1561      - in pkg/ecco, includes ECCO_OPTIONS.h instead of COST_OPTIONS.h
1562      - rename COST_CPPOPTIONS.h to COST_OPTIONS.h
1563      - rename CTRL_CPPOPTIONS.h to CTRL_OPTIONS.h
1564    o tools/genamke2:
1565      - check for lapack.
1566    o pkg/cost and pkg/ecco : attempt to sort out some of the limiting intricacies.
1567      - pkg/cost.cost_final.F : allow for use of pkg/ecco and pkg/cost cost functions
1568        jointly. The exclusive ifdefs were removed, to add costs terms (when defined)
1569        from both packages.
1570      - the fc global sum in pkg/ecco/ecco_cost_final.F was removed accordingly.
1571      - for objf_atl we use either the pkg/ecco or the pkg/cost term depending on CPPs.
1572      - pkg/ecco and model/src : add CPP brackets around pkg/cost and pkg/ctrl includes
1573        of "CTRL_SIZE.h" "ctrl.h" "ctrl_dummy.h" "optim.h" / "cost.h" accordingly.
1574    o pkg/cost : add comments to explain special and/or untested setups.
1575    o pkg/exf:
1576      - use EXF_OPTIONS.h to set pkg/exf options except if done in ECCO_CPPOPTIONS.h
1577        (previously, ALLOW_AUTODIFF_TAMC was controling this switch).
1578    o verification/*/code_ad:
1579      mimimal cleaning of AD experiments ECCO_CPPOPTIONS.h option-file:
1580      - reccord when this file is included (define ECCO_CPPOPTIONS_H)
1581      - remove the most obvious obsolete features (e.g., #define ALLOW_COST not
1582        allowed since Oct 2003 in any option-file except in PACKAGES_CONFIG.h)
1583    o pkg/seaice :
1584      - added possibility to change ice strength/PRESS0 relationship to
1585        HEFF, according to the following run time parameters
1586        SEAICEpresPow0 :: HEFF exponent for ice strength below SEAICEpresH0 (integer, >0)
1587        SEAICEpresPow1 :: HEFF exponent for ice strength above SEAICEpresH0 (integer, >0)
1588        SEAICEpresH0   :: HEFF threshold for ice strength            (m)
1589    o pkg/ggl90 :
1590      - added run time flag mxlSurfFlag to include the code that ensure
1591        mixing between first and second level (previously included as a comment)
1592    o verification/1D_ocean_ice_column/input_ad/data.autodiff :
1593      - add test of newly added dumpAdByRec=T option where
1594        we write all records to one file per variable.
1595    o verification/global_ocean.cs32x15/code_ad/CPP_OPTIONS.h :
1596      - switch to #define ALLOW_BALANCE_RELAX and ALLOW_BALANCE_FLUXES
1597        to check that this code is ok with taf and compiles in adjoint.
1598    o pkg/autodiff :
1599      - added run time param dumpAdByRec : ad dump format switch.
1600        If true then write all records to one file per variable.
1601        Else write one file per record (remains the default).
1602      - revise seaice_ad_dump.F and exf_adjoint_snapshots_ad.F accordingly.
1603    o pkg/seaice:
1604     - Added SEAICEuseTILT run time switch : if set to
1605       false then omit the tilt term in seaice dynamics.
1606     - Fix free drift calculation.
1607    o pkg/shelfice:
1608      When initializing SHELFICEDragQuadratic, set default to be
1609      consistent with shiCdrag in case SHELFICEuseGammaFrict is used,
1610      but retain option to set it independently
1611      (inconsistenty spotted by Veronique Dansereau)
1612    o eesupp/inc:
1613      - in EEPARAMS.h, add real-type constant for some frequently used simple number
1614         (0,1,2,1/2), with name explicitly referring to RS/RL type.
1615    o model/src:
1616      - move balancing of relaxation terms to new S/R balance_relax.F.
1617    o pkg/autodiff:
1618      re-write active I/O high-level (control) S/R:
1619      - rename  S/R ACTIVE_READ/WRITE_RL to ACTIVE_READ/WRITE_3D_RL
1620      - add 1 more argument (useCurrentDir) to replace the "_LOC" 2nd set of S/R.
1621      - use standard pkg/mdsio I/O routines (MDS_READ/WRITE_SEC_XZ/YZ  and
1622        MDS_READ/WRITE_FIELD); change loops to multi-threads.
1623      - update and merge active_file_control_slice.flow into active_file_control.flow
1624      - update the calls in lower level S/R (active_file.F, active_file_g.F and
1625        active_file_ad.F) keeping the argument list and function unchanged.
1626      - also update lower-level "_LOC" version (call same S/R with "useCurrentDir
1627        =.TRUE.") and remove high-level (control) _loc version (not called anymore).
1628      - new low-level active I/O routines, one for each type (RL/RS), for active var
1629        of various (XY,XZ,YZ) shape and level number (arguments: arrShape, myNr);
1630        fix ctrl_init_wet.F & ecco_cost_weights.F by calling the new S/R with the
1631        right type.
1632    o autodiff and RS=real*4:
1633      - call the right type (_RS instead of _RL) of S/R in few output S/R (pkg/exf
1634        ad-monitor and snapshots); disable arrType='RS' in mdsio_gl*.F ;
1635      - change argument type of 3-D mask argument to _RS to match type in the call
1636        (in seaice_cost*.F, ctrl_*_gen.F and *ctrl_bound.F); to be continued.
1637    o pkg/thsice:
1638      - re-anable balanceEmPmR when useSEAICE=T with useThSIce=T.
1639      - option to correct ocean fresh-water flux for imbalance of Atmos+Land
1640        fresh-water flux: uniform correction or proportional to local precip.
1641    o pkg/ctrl:
1642      - new header file CTRL_SIZE.h for parameters maxCtrlArr2D, maxCtrlArr3D
1643      - redefine CPP option ALLOW_BOTTOMDRAG_CONTROL to
1644                            ALLOW_BOTTOMDRAG_CONTROL_NONGENERIC
1645      - verification/hs94.1x64x5/ tests ALLOW_GENARR{2D,3D}_CONTROL
1646    
1647    checkpoint63q (2012/07/30)
1648    o pkg/autodiff:
1649      note about monitor and snap-shot of ad-variables:
1650      a) need to apply ADEXCH before monitor or output of ad-vars to include
1651       overlap contributions (was done for adjDump but missing for monitor).
1652      b) since ADEXCH implies adding overlap values to interior array, machine
1653       truncation error is expected when adding an ADEXCH call in the middle of
1654       the time-stepping (although mathematically identical).
1655      modifs:
1656      - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
1657        declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
1658      - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
1659        apply ADEXCH before monitor or snap-shot of ad-variables:
1660           =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
1661      - implement new method (copy+adexch) for snap-shot and monitor of main model
1662        ad-vars (initially not used by default -> output unchanged).
1663      - change default (set to 2) to use new method and update few output_adm.txt
1664        with accurate ad-monitor (global_ocean.90x40x15, tutorial_global_oce_biogeo
1665        and both tutorial_tracer_adjsens tests).
1666      - switch 2 global_ocean.cs32x15 AD-tests to AB-2 (seaice_dynmix & thsice)
1667        and turn off momDissip_In_AB in the 2 other (needed for stable AB-3).
1668    o pkg/ctrl:
1669      enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
1670      generic control variables via
1671      #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
1672      Only required customization should be S/R ctrl_map_ini_genarr.F
1673      (routine in repository contains example)
1674    o pkg/exf:
1675      - fix and refine checking of surface-relaxation setting when using EXF
1676    o verification (adjoint exp):
1677      - reduce length of simulation by half for experiment global_ocean.cs32x15
1678        (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
1679    o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
1680      - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
1681        of KE that can occur with aggressive optimization
1682      + put quadratic bottom drag calculation in separated loops (only done if
1683        using bottomDragQuadratic)
1684    o model/src: CG2D_NSA
1685      - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
1686         and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
1687      - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
1688         change cg2d residual target to be expressed in Wunits (=> do not normalise
1689         RHS ; this fix global_max Pb with TAF); update output.
1690    o verification/tutorial_tracer_adjsens:
1691       improve parameter consistency (and get rid of warnings):
1692       - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
1693       - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
1694       - use staggerTimeStep (for stability) in som81; use default rotation period.
1695    o pkg/exch2:
1696      - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
1697        reset to 0 = 1 long line in X)
1698    o pkg/mdsio:
1699      - fix reading of dimensions from meta file for large-size domain
1700    o model/src:
1701      - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
1702      - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
1703        Cubed-Sphere Exch with CS-corners inside the domain;
1704        make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
1705        globalArea and to set hasWetCSCorners.
1706      - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
1707        metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
1708      - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
1709        useCDscheme and useCubedSphereExchange).
1710    o pkg/seaice/seaice_growth.F :
1711      - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
1712        for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
1713        when the previous code was not correct.
1714      - in all cases diagnoze the boundary condition mismatch to SIaaflux
1715      - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
1716        that term to QNET (essentially to set the melt/freeze water to 0degC).
1717        when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
1718    o verification/global_ocean.cs32x15/input.seaice :
1719      - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
1720      - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
1721      - update results (output.seaice.txt) accordingly.
1722    o verification/lab_sea/input/data.seaice :
1723      - remove SEAICEheatConsFix, which is now be tested
1724        in global_ocean.cs32x15. The presently coded fix
1725        is only consistent with real fresh water + nlfs.
1726      - update results (output.txt) accordingly.
1727    o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
1728    o AD_CONFIG.h file:
1729      - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
1730      - remove #include "AD_CONFIG.h" from all included OPTIONS files and
1731        add it explicitly in each fortran src file where it is needed.
1732        motivation: header file AD_CONFIG.h is generated/modified after "make depend"
1733        thus introducing potentially wrong dependency; therefore, better to include
1734        it only where it's really needed, and after any other included OPTIONS file
1735        (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
1736        or ALLOW_TANGENTLINEAR_RUN).
1737    
1738    checkpoint63p (2012/07/06)
1739    o pkg/autodiff:
1740      - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
1741      - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
1742        which are now read from new parameter file "data.autodiff" (inAdExact
1743        previously in "data", use{KPP/GMRedi/SEAICE}inAdMode previously in data.pkg)
1744      - add file "data.autodiff" in all verification/*/input_ad/ directories.
1745      - add run-time parameter to turn On/Off SEAICEuseFREEDRIFT in adjoint/forward
1746        mode (used in global_ocean.cs32x15.seaice_dynmix test exp.)
1747    o verification/tutorial_tracer_adjsens/
1748      - add extra sub-verification which uses "SOM" advection scheme
1749        (2nd Order-Moment Advection Scheme, Prather Limiter) with
1750          #define GAD_ALLOW_TS_SOM_ADV in GAD_OPTIONS.h
1751        and in data:
1752          multiDimAdvection=.TRUE.,
1753          tempAdvScheme=81,
1754          saltAdvScheme=81,
1755    o model/src:
1756      - introduce ALLOW_BALANCE_RELAX which allow the removal
1757       of the global mean of relaxation terms by setting
1758       balanceThetaClimRelax and balanceSaltClimRelax
1759      - disable balanceEmPmR and balanceQnet in the case when useSeaice.
1760       This case is now treated appropriately in seaice_growth.F
1761    o pkg/seaice:
1762      - do balanceEmPmR and balanceQnet based on the net fluxes
1763        (SItflux) that enter the ocean+ice system rather than QNET
1764        and EMPMR. Works best in real fresh water.
1765      - SIatmFW, SIatmQnet, and SItflux computations had to be moved
1766        out of the diagnotics bloc, and stored in global arrays.
1767    
1768    checkpoint63o (2012/06/29)
1769    o vertical mixing schemes:
1770      - remove unused S/R CALC_BUOYANCY (left from branch-atmos merging)
1771      - replace computation of density (in Function STATE1, opps_calc.F) by a call
1772        to S/R FIND_RHO_SCALAR
1773      - pass sigmaR to S/R PP81_CALC, MY82_CALC (but not yet used) and to GGL90_CALC
1774        and use it for N^2 calculation in ggl90_calc.F (save 2 density computations);
1775        affects output (vermix.ggl90) at truncation level.
1776    o testreport:
1777      - change adjustment of SIZE.h for mpi+mth testing: preserve enough tiles
1778        (nSx,nSy) for the number of threads (from eedata.mth)
1779    o model/src:
1780      - remove 2nd set of calls at the top of initialise_varia.F (Adjoint part)
1781        related to Non_Lin Free-Surf or Bottom-Control (but not longer necessary).
1782    o verification/tutorial_tracer_adjsens/
1783      - compile with ALLOW_CG2D_NSA
1784      - run with nonlinFreeSurf=3
1785      - update reference output_adm.txt
1786    o tools/genmake2:
1787      - add "-DHAVE_NETCDF" to the DEFINES list when NetCDF is available ;
1788        refine usePROFILES switching off (only when NetCDF is not available).
1789    o verification (atmospheric set-up):
1790      - change eosType='IDEALGAS' to eosType='IDEALG' to match variable declaration
1791    o pkg/profiles : refine profiles and files handling.
1792    o model/src and pkg/ecco : introduce run-time switch usePROFILES.
1793    o model/src/the_main_loop.F, forward_step.F and pkg/exf/EXF_OPTIONS.h :
1794      - changes to use model/src/the_main_loop.F rather than the ecco version
1795        in ecco type adjoint runs.
1796    o model/src:
1797      - move computation of recip of grid distance & area from INI_MASKS_ETC to INI_GRID
1798      - move setting of h0Fac[C,W,S] from INI_LINEAR_PHISURF to INI_MASKS_ETC
1799      - update_masks_etc.F: rename SMOOTH*_R4,R8 function to the corresponding type (RS,RL)
1800    o model/src:
1801      - fix S/R UPDATE_CG2D for ALLOW_DEPTH_CONTROL case (was empty before);
1802        update output of test experiment bottom_ctrl_5x5.
1803    o pkg/generic_advdiff:
1804      - implement vertical bi-harmonic diffusion (for now, only for T & S and
1805        only explicitly).
1806    o verification/bottom_ctrl_5x5/
1807      update reference output (results changed quite some time ago,
1808      not sure when; but new reference results look ok in terms of grdchk)
1809    o verification/1D_ocean_ice_column/
1810      For verification purposes, the exact adjoint rather than an approx.
1811      should be used (e.g., to comare against F.D. or TLM).
1812      removed autodiff_inadmode*_ad.F routines in code_ad/
1813      Update results/ accordingly.
1814    o pkg/cal:
1815      - change cal_getdate.F so that output date is function of input time only
1816        (less ambiguous, not mixed up with input iteration number).
1817      - fix calendarDumps for non-zero phase-lag (S/R CAL_TIME2DUMP).
1818    o pkg/diagnostics:
1819      - implement calendarDumps also for stats-diags
1820      - implement calendarDumps also for snap-shot output (negative freq)
1821      - for now, ignores calendarDumps if non-zero phase-lag.
1822    
1823    checkpoint63n (2012/06/04)
1824    o model/src:
1825      - recompute rSurfW & S to ensure consistent column thickness (needed for rStar)
1826        between Sum_k(hFac*drF) and rSurf-rLow, for now only when using pkg/shelfice;
1827      - use h0FacC, W & S to compute hFac_surfC, W & S in calc_surf_dr.F (more
1828        similar to calc_r_star.F); update results of experiment internal_wave and
1829        tutorial_global_oce_in_p (affected @ truncation level).
1830    o pkg/shelfice:
1831      - add parameterisation of advective-diffusive flux into the ice shelf
1832        according to Holland and Jenkins (1999), eq.22-33, as suggested by Jan De Ryd
1833      - simply eps3/3a computation
1834    o eesupp:
1835     - add new CPP option (DISCONNECTED_TILES) to disconnect tiles (no exchange
1836       between tiles, just fill-in edges assuming locally periodic subdomain) and
1837       add corresponding exchange subroutines (EXCH0);
1838     - new CG-solver version (_EX0) for disconnected-tiles special case.
1839    o model/src (CG-solvers):
1840     - modify Single-Reduction version (CG2D_SR) in case cg2dMaxIters is reached
1841       (similar final residual output and max-Iter number as with standard version);
1842     - allows to store and use lowest-residual solution (standard & _SR versions);
1843     - cleaning up (remove old, commented out code, LETS_MAKE_JAM ...).
1844     - by default, also compile CG2D_SR version (define ALLOW_SRCG in CPP_OPTIONS.h)
1845    o eesup/src:
1846     - global_vec_sum.F cleaning: add a BARRIER ; update comments ; remove ndef
1847       ALWAYS_USE_MPI (no longer needed after fixing usingMPI settings - March 2012)
1848    o pkg/salt_plume added to lab_sea/input_ad.noseaicedyn
1849    
1850    checkpoint63m (2012/04/27)
1851    o pkg/shelfice:
1852     - account for partical cells in surface level below ice-shelf for hydrostatic
1853       pressure calculion (set uniformFreeSurfLev to F); update isomip experiments.
1854    o ad test experiments:
1855     - update and rename to "ad_optfile.local" local AD-optfile specific to a
1856       particular adjoint verification experiment (in verification/*/code_ad/)
1857    o pkg/seaice & pkg/exf:
1858     - Part two of ECCO-CLIVAR code merges.
1859       Completes merge of seaice area relax. code.
1860       Requires unified CPP option EXF_ALLOW_SEAICE_RELAX
1861       to be set in EXF_OPTIONS.h since this pkg controls its I/O
1862       (and avoids second CPP option in SEAICE_OPTIONS.h)
1863     - change default value of costIceStart & costIceEnd to a valid date.
1864     - add snowPrecip to HSNOW in seaice_growth
1865    o pkg/ptracers:
1866     - move ptracers summary and setup check into separated S/R ; add a check for
1867       valid PTRACERS_Iter0 value (error+stop or just warning).
1868    o pkg/cal (+ pkg/ecco):
1869     - avoid calling a S/R with 2 times the same arg (FWD: unless both are only used
1870       as input; and for AD, unless both are not differentiable (e.g., k index)).
1871    o model/src:
1872     - define internal flag "uniformFreeSurfLev" (=T when free-surface level-index
1873       is everywhere k=1) to speed-up some calculations (by pass kSurf reference);
1874       temporary set to usingZCoords value (to be changed to F when using shelfice).
1875     - hydrostatic pressure: implement partial cell near the surface also for
1876       Z-coordinates (for the case where uniformFreeSurfLev=F); replace test on
1877       usingZCoords with test on uniformFreeSurfLev where needed (in NonHyd code).
1878    o pkg/ctrl/ctrl_init.F:
1879     - add a formal parameter to s/r ctrl_init_rec to print
1880       xx_$(ctrl_valiable)_file for easier debugging
1881     - move call of cal_* routines into the if-block where they are really
1882       needed so that xx_$(ctrl_variable)_period can be 0 or -12 without having
1883       to specify a startdate
1884    o pkg/seaice:
1885     - update comments in SEAICE_OPTIONS.h (+ similar update of lab_sea/code and
1886       global_ocean.cs32x15/code versions).
1887     - turn on seaice Multi-category (in data.seaice, SEAICE_multDim=7) for
1888       verification experiment global_ocean.cs32x15.seaice and update results.
1889    o pkg/exf:
1890     - new S/R EXF_GETFIELD_START to return starting-time of a forcing field
1891       (according to useExfYearlyFields).
1892    o pkg/cal:
1893     - move calendar setting & summary (previously in cal_readparams.F) into new
1894       S/R CAL_INIT_FIXED to be called later in the initialisation process, once
1895       length of the simulation is set (after SET_PARMS call); This is an attempt
1896       to fix Pb when, e.g.: pkg/longstep, modifies the length of the run.
1897     - For safety: keep a record of pkg/cal parameter settings status
1898               to allow to STOP if one pkg/cal S/R is called too early.
1899     - add a stop in all basic pkg/cal subroutines if called before setting is done.
1900     - modify cal_getdate.F: stop when nothing was returned;
1901       if called with myIter=-1, simply retrun modelBaseDate (1,2 = startDate_1,_2);
1902       this allows to remove "cal.h" from seaice_read_parms.F & init_mnc_vars.F.
1903    
1904    checkpoint63l (2012/04/04)
1905    o pkg/bbl:
1906      - fix call to FIND_RHO_2D in bbl_calc_rho.F (case multi-tiles per proc);
1907        update global_with_exf output.yearly.txt file.
1908    o pkg/cal:
1909      - start to clean-up cal_set.F ; fix for the case where baseTime is non-zero.
1910      - remove 2 unsused and very short (1 line only) functions ;
1911      - remove unsused subroutines from AD-Diff list.
1912    o model/src:
1913      - start to implement clean wait to stop in initialization S/R (config_check.F,
1914         packages_check.F, ini_parms.F and pkg/obcs/obcs_check.F + pkg/mypackage)
1915    o folowing PRINT_MESSAGE changes:
1916      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
1917  o pkg/bbl:  o pkg/bbl:
1918    - modification so it can work with z*    - modification so it can work with z*
1919    - replace deltaT with dTtracerLev(k) for asynchronous time stepping    - replace deltaT with dTtracerLev(k) for asynchronous time stepping

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