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revision 1.1897 by jmc, Sat Jul 20 00:04:02 2013 UTC revision 1.2001 by jmc, Wed May 28 20:00:24 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 model/src & most packages:
8      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
9      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
10        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
11        "data.{pkg}" exist ; and leave the S/R (return) just after.
12    o pkg/seaice:
13      - remove code that resets useThSice in S/R seaice_readparms and
14        replace by a warning in S/R seaice_check
15      - remove parameter MULTDIM, replace with nITD and runtime
16        parameter SEAICE_multDim (still hard-wired to nITD if
17        SEAICE_ITD is defined)
18    
19    checkpoint64x (2014/05/24)
20    o verification/lab_sea:
21      - update adjoint and TLM output following changes to pkg/salt_plume
22      - un-do the update after putting back local recip_Cp in few places.
23    o pkg/salt_plume: modifications by An Nguyen:
24      - add capability to do brine rejection (salt-plume) as function of
25        volume+tracers (instead of only salinity tracer).
26      - conserve volume by exchanging volume from each kLev to above to
27        accommodate in-coming brine volume
28      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
29      - switch KPP surf buoyancy due to brine forcing to 3-d
30        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
31      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
32      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
33        in East/West Arctic.
34    o pkg/sbo:
35      - incorporate modifications from Katherine Quinn to enable the use of sbo
36        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
37        output for future testreport verification (unfinished).
38    o pkg/atm_phys:
39      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
40        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
41        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
42    o pkg/seaice
43      seaice_calc_ice_strength.F: modify expression to avoid divisions
44        (affects truncation)
45      seaice_do_ridging.F: clean up the insectarium
46      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
47      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
48      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
49      - add some debugging information and error messages (warnings)
50    o model/src: modifications relatd to atmosphere p*:
51      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
52      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
53        of vertical profile tRef in geopotential background and anomaly.
54      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
55        and pkg/atm_phys.
56      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
57        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
58    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
59    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
60        not used right now, but can be used in BGC packages to fix conservation.
61    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
62        other packages too.
63    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
64        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
65    o model/src:
66      - since we have several heat capacity (even in model/src), define "recip_Cp"
67        as local variable (no longer in common block) to avoid any confusion.
68      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
69    o pkg/exf:
70      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
71        air density as function of air Temp, Humidity and atm pressure.
72    
73    checkpoint64w (2014/05/02)
74    o verification:
75      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
76        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
77        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
78        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
79        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
80    o model/src: for atmosphere in p* coords:
81      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
82      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
83        but not yet activated.
84    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
85      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
86      - this changes the results (but not for any verification experiment, because
87        none tests this), but avoids having an extra field in the restart files
88    o pkg/seaice: remove global variable TICE (not needed)
89      - replace by TICES or local variable where necessary (cost_seaice_test,
90        seaice_diagnostics_state)
91      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
92      - use specific read/write routines for reading and writing individual leves
93        of a multilevel field
94    o pkg/ctrl & model/inc:
95      - move additional anomaly fields of control vars (related to options:
96         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
97        from DYNVARS.h into new header file: CTRL_FIELDS.h
98    o pkg/seaice: some small modifications to the ridging code
99      - make fw2ObyRidge a global variable and add the freshwater flux to
100        seaice_growth
101      - pass actual thickness from seaice_prepare_ridging, so that it is
102        computed only in one place and compute it in the same way as in
103        seaice_growth
104      - initialise more fields in seaice_do_ridging that where cause floating
105        point exceptions over land
106    o pkg/seaice: preparations for ridging code and first real ridging code
107      - move most of "PART 1" of S/R seaice_growth into a new and separate
108        S/R seaice_reg_ridge that will both regularize the state variable after
109        advection call the actual ridging routine;
110      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
111        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
112      - remove ridging code from seaice_advdiff
113      - clean up remaining part 1 of seaice_growth in an attempt to make it
114        more readable (this is probably subjective)
115      - call seaice_itd_redist once in the initialisation phase to have the initial
116        conditions in the correct category
117      - finally: add new ridging routine for ITD code
118    
119    checkpoint64v (2014/04/11)
120    o pkg/ecco:
121      - add runtime parameters mdt[start,end]date[1,2]
122      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
123    o pkg/seaice:
124      - make deltaC a global variable, so that it can be used in ridging code
125      - first step towards ridging: introduce new routines that compute
126        ice strength based on ridging parameters
127      - add diagnostic for HSNOWITD
128      - add opnWtrFrac as a global variable (required for ridging scheme)
129    o pkg/salt_plume + pkg/seaice/seaice_growth.F
130      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
131        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
132    o verification/hs94.1x64x5:
133      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
134      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
135    o autodiff:
136      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
137        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
138        For now, only in pkgs used in verification/hs94.1x64x5.
139      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
140        which are specific to TAF/TAMC).
141      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
142        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
143        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
144      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
145        building mitgcmuv_ad (make adAll).
146    o pkg/ecco:
147      - cost_gencost_seaicev4.F:
148         reformulate proxy cost as function of sst and local param SEAICE_freeze
149         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
150      - add stop statement if old names siv4-[sst,vol] are used
151      - add snapshots + cost reports for atmospheric longwave
152      - remove factor 0.1 in front of wtau[u,v]
153      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
154         ALLOW_TMI_SST_COST_CONTRIBUTION
155    o pkg/atm_phys:
156      - add some diagnostics for Short-wave and for convection S/R.
157    o pkg/seaice/seaice_growth:
158      - fix a bug in the lateral melt parameterization for SEAICE_ITD
159        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
160      - rearrange loop order for better vector code in the same code block
161      - rewrite the floeDiameter formula to have fewer divisions
162      -  (miraculously) none of this changes the results of seaice_itd
163    o pkg/smooth:
164      - move param smooth2Ddiffnbt to pkg/ecco
165    o pkg/salt_plume:
166      - salt_plume_frac.F:
167         clean up local param names
168         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
169    o pkg/rw:
170      - add RS version of S/R READ_MFLDS_LEV.
171    o pkg/streamice:
172      - fix the restart test by writing/reading pickup_streamice files.
173    o pkg/seaice:
174      - refine checks for jfnk-related parameters
175      - comment out if statement with SEAICEuseIMEX parameter as long as there
176        is no IMEX code to avoid confusion and surprises
177    
178    checkpoint64u (2014/03/07)
179    o verification/MLAdjust:
180      - rename secondary test suffix:
181         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
182         0.leithD -> AhFlxF  + switch to flux-form
183         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
184         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
185    o pkg/mom_vecinv:
186      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
187        to be before mom_calc_visc.F)
188      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
189      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
190        this is simpler for the adjoint and for diagnostics.
191    o model/src + pkg/momentum:
192      - add input files for  2-D additional Western and Southern cell-edge wall
193         (e.g., to add "thin-wall" where it is =1).
194      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
195        using 2nd hFacZ that is computed from initial (fix domain) hFac
196      - known limitations of thin wall implementation: not yet coded for sigma
197        coords; not working with CD-scheme neither.
198    o pkg/seaice:
199      - rename recently introduced parameters from (wrong name) AB to
200        BDF (backward difference time discretisation)
201      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
202    o tools/adjoint_options:
203      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
204    
205    checkpoint64t (2014/02/01)
206    o pkg/ecco
207      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
208        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
209      - replace hard-coded record number and period which only work for monthly
210        with read-in runtime param that works for other periods (month,day,year)
211    o pkg/thsice
212      - corrected store directive fixes thsice adjoint gradient checks
213    o genmake2 & testreport:
214      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
215        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
216        Update testreport accordingly. No need to set "export OPENAD=true"
217        in adjoint_options/adjoint_oad anymore (will be removed later).
218    o pkg/shelfice:
219      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
220        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
221        so that surface forcing applies to k=kSurf if using pkg/shelfice.
222    o pkg/ctrl, pkg/grdchk, pkg/ecco:
223      - Changes to make GENARR more modular (i.e. invisible if not used)
224    o model/src/temp_integrate.F and salt_integrate.F
225      - re-include store directives that were removed on Dec 27th.
226    o model/src/external_forcing_surf.F
227      - add storage directives for EmPmR and PmEpR to avoid recomputation of
228        seaice_model in the adjoint that is problematic when seaice_model is
229        turned off in the adjoint. The resolved issue dated back to July when
230        EXTERNAL_FORCING_SURF call was moved.
231        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
232    o pkg/exf/exf_check.F
233      - fix a small bug again (originally found by Wentao Liu, now found again)
234      - streamline error output
235    o pkg/streamice and aim_v23:
236      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
237        Apple's /usr/bin/cpp knows what to do:
238        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
239        Target: x86_64-apple-darwin13.0.0
240    
241    checkpoint64s (2014/01/05)
242    o tools/adjoint_options:
243      - switch to fastopt.net TAF server (instead of default fastopt.de) for
244        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
245    o model/src:
246      - remove some unnecessary TAF storage directives in forward_step.F and
247        in dynamics.F (note: not always removed by TAF, e.g., double storage
248        of kappaRU,kappaRV in former version of dynamics.F).
249    o model/src & pkg/ptracers:
250      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
251        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
252        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
253      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
254      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
255      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
256    o useSingleCpuInput separates single-CPU input from single-CPU output;
257        for now only implemented for in exf_interp_read.F
258    o verification/advect_xy:
259      - fix missing EXCH call in local version of ini_salt.F and update output.
260    o momentum diagnostics:
261      - fix which deltaT is used in Total-Tendency diagnostics.
262      - fix typo in diagnostics for momentum tendency from AB.
263    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
264        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
265    
266    checkpoint64r (2013/12/08)
267    o verification/*/results:
268      - Update reference output of experiments that were passing with just 13 digits
269         (make it easier to detect future changes in results)
270    o model/src & pkg/ptracers:
271      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
272        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
273        to inside ptracers_integrate.F ; remove ptracers_advection.F
274    o coupling interface pkgs:
275        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
276      - change the config check to test the agreement of Ocean Depth
277        with ATM land/sea mask (instead of ATM orography);
278      - send to coupler the number of coupler time-steps to do for this run:
279        this allows to check for consistency and don't need anymore to be
280        specified in parameter file "data";
281      in coupler:
282      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
283      - improve report to log-file of config setting (pass log-file unit to few S/R)
284    o pkg/compon_communic:
285      - add coupling send/receive for non-tiled integer vector;
286      - add S/R to check and stop if any proc has an error (similar to
287        eesupp/src/stop_if_error.F but single thread and across Comm_World).
288    o pkg/exch2:
289      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
290        through list of all tiles my proc owns.
291    o model/src:
292      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
293        from rTrans) to simplify dependencies (no need to store rTrans anymore in
294        calling S/R); this affects AD results at machine truncation level:
295        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
296        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
297    o tools/build_options:
298      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
299    o coupling interface pkgs:
300        [compon_communic, atm_compon_interf & ocn_compon_interf]
301      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
302        to each S/R that needs it; remove un-used variables.
303      - change component tile registration (cpl_register.F in both compon_interf
304        and mitcomponent_tile_register.F) to pass the full list of tiles
305        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
306      - with pkg/exch2: adopt the same convention used for I/O to define mapping
307        towards coupler global array (unless W2_useE2ioLayOut=F):
308         a) can now use different tiling between atm & ocn comp.
309         b) no needs to modify the run-Off map when changing tiling (was needed
310            even if using the same tiling between atm & ocn).
311         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
312            full land tiles); not yet tested.
313      - check for valid mapping from comp. tile to coupler global array
314      - improve report of tile registration results to log file.
315    o pkg/exch2:
316      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
317        tile-registration (CPL_REGISTER);
318      - activate (un-comment) definition and setting of "W2_tileIndex" list to
319        store the local bi,bj indices of each tile;
320      - also print bi,bj in local report to log file;
321      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
322        Jun 2009 modif of pkg/exch2).
323    o testing on baudelaire:
324      - run 2 tests at a time: no significant slow down (since enough cpu) and
325        get the full set of test done earlier
326      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
327    o model/src/thermodynamics.F and routines called from it:
328      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
329        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
330        velocity (outp) by adding bolus velocity.
331      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
332        mass transport from velocity + lateral grid cell area
333      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
334      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
335     in thermodynamics.F
336      - remove k from thermodynamics.F and move it to temp_integrate.F
337        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
338        loop).
339      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
340        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
341        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
342        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
343      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
344        global_ocean.90x40x15, tutorial_global_oce_biogeo and
345        tutorial_tracer_adjsens (+ TLM output).
346    o tools/OAD_support and (verification/*/) code_oad:
347      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
348        module conversion ; remove unneeded CPP_EEOPTIONS.h.
349      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
350        version (closer to model/inc/CPP_OPTIONS.h).
351    o model/src:
352      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
353        retired list of parameters (routine FREEZE has been replace by surface
354        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
355    o pkg/gmredi:
356      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
357        velocity (same scheme but affects machine truncation) for GM_AdvForm.
358      - update output of FWD experiments: front_relax.bvp,
359        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
360    
361    checkpoint64q (2013/11/17)
362    o verification:
363      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
364        tutorial_global_oce_biogeo and global_ocean.90x40x15.
365      - generate new output (growth & melt) for seaice_itd experiment after
366        updating the input pickup_seaice files (previously wrong).
367    o pkg/cost:
368      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
369        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
370        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
371          cannot be applied to var in common block).
372        o allows to get results independent of tile-per-proc setting (if using
373          slower GLOBAL_SUM_SEND_RECV option).
374      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
375        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
376        forward gradients: update output).
377      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
378        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
379    o pkg/mom_common:
380      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
381        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
382        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
383        ensure that all field value that are used are set.
384    o tutorial_deep_convection (smag3d):
385      - add missing scaling in mom_calc_smag_3d.F;
386      - set smag3D_coeff in input.smag3d such that results do not change.
387    o pkg/dic:
388      - change dic_cost.F to compute cost on each tile first and then apply
389        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
390        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
391      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
392    o eesupp/src & pkg/mdsio:
393      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
394        (from pkg/mdsio) since they are no longer used for tape IO.
395      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
396        (+ keep a copy in pkg/atm_ocn_coupler).
397    o verification/isomip:
398      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
399    o tools/build_options:
400      - optfile linux_amd64_ifort11, fast (no ieee) case:
401        to get a working restart for all experiments, add "-fp-model source"
402        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
403    
404    checkpoint64p (2013/10/20)
405    o pkg/autodiff:
406      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
407        criteria, return to simple (default) tape IO format.
408    o pkg/mdsio (+ eesupp/src):
409      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
410        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
411      - fix globalFile and singleCpuIO options using simpler global mapping.
412      - new pairs of scatter/gather vector S/R (one for each type, generated from
413        template) corresponding to simpler global mapping.
414      - adread_write.F: switch to new S/R (but leave old calls commented) and write
415        to globalFile when parameter globalFiles is set to True.
416      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
417    o pkg/autodiff:
418      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
419        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
420        missing, just add a STOP if array type do not match.
421    o pkg/exf:
422      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
423         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
424         and rename array obsSIce to exf_iceFraction.
425    o tutorial_deep_convection:
426      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
427        for now all in this exp. code dir.
428      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
429        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
430    o eesupp/src:
431      - added SINGLE_DISK_IO option because reading of parameter files on
432        very large number of processors did not work with existing set-up
433    
434    checkpoint64o (2013/09/25)
435    o pkg/atm_phys & atm_compon_interf:
436      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
437    o tools/build_options:
438      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
439        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
440        remove CPP setting (was identical to genmake2 default).
441    o pkg/gmredi & model/src: Some updating and work done on the residual model.
442      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
443      - fixed up the calculation of the eddy stress and how it is added to the
444        external forcing via taueddy_external_forcing.F
445      - at the moment, it is very experimental and only works with the variable eddy
446        diffusivity calculated in gmredi_k3d.F
447    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
448        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
449    o testreport (& tools/do_tst_2+2):
450      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
451    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
452      - remove CPP='cpp -traditional -P' (this is genmake2 default)
453      - add switch (for big setups) to use 'medium' memory-model (but leave it
454        commented out for now). Note: needed with FC 19 to compile big setups.
455    o pkg/atm_compon_interf:
456      - regroup per field origin (model & pkgs) the coupling storage routines
457         (which accumalate in time each coupling field)
458      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
459        update accordingly + simplify aim_do_physics.F
460    
461    checkpoint64n (2013/08/26)
462    o pkg/bbl:
463      - update formulation to reduce dispersion of tracer properties in bbl
464      - replaced horizontal and vertical transport parameters with velocities
465      - changes results for verification/global_with_exf.yearly
466    o verification/halfpipe_streamice:
467      - change to matrix construction; update both Fwd & AD output.
468    o verification/tutorial_tracer_adjsens:
469      - OpenAD test: switch to vector-invariant momentum since fluxform with
470        rStar causes problems with OpenAD; update output.
471    o tools:
472      - genmake2: define a common prefix for all temp-file names ; move them
473        to local /tmp disk (but would be easy to move them back);
474      - xmakedepend: apply the same switch for temp-files.
475    o pkg/offline:
476      - changes for use with rStar (NLFS): assume that we continue to provide
477        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
478        output files) and apply r* scaling at each time-step (function of the time
479        varying Eta field); use normal pickup files (needed for restart with NLFS).
480    o adjoint with OpenAD:
481      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
482        package openad.  This package has to be compiled for all runs with OpenAD
483        instead of specifying code_oad_all as a modification directory.
484      - link the fortran templates from tools/OAD_support to the build directory
485        for preprocessing to avoid conflicts between different setups compiled
486        simultaneously and simplify cleanup.
487    o pkg/exf:
488      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
489        main model or other pkgs are exchanged in EXF_MAPFIELDS).
490    o model/src:
491      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
492        (similar to do_fields_blocking_exchanges.F).
493    o tools/genmake2:
494      - remove TAF output src code just before calling staf (when not doing a fresh
495        built, will stop if things go wrong with staf).
496      - fix target "adobj" (left from TAF version-2 transition)
497    o pkg/diagnostics:
498      - add a parameter to track the status of pkg/diagnostics activation;
499        this replace/extend the use of logical param "settingDiags" (to check
500        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
501        New S/R to print error message and stop when pkgStatus is not right.
502      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
503    
504    checkpoint64m (2013/08/13)
505    o model/inc:
506      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
507        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
508    o pkg/kpp & aim_v23:
509      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
510    o pkg/seaice:
511      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
512        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
513      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
514    o eesupp/src:
515      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
516        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
517    o switch to TAF version-2:
518      - add flow directives to "freeze" naming convention for ad-routines that
519        are used in I/O routines of adjoint state and associated common blocks
520        that are used in adcommon.h (backward compatible with version-1)
521      - update all ad-optfiles (in tools/adjoint_options + few local to some
522        verification exp) to switch to latest TAF version (currently 2.5.5);
523        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
524        out except for diva).
525      - the major change with TAF version-2 is that both the differentiated
526        routines and the forward routines (new) are returned as part of the TAF
527        output source code. Update genmake2 accordingly.
528      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
529        with version-2 when compared to TLM or FWD gradient); other experiments
530        output show minor changes (machine truncation level); update the few AD &
531        TLM output with 12 matching digits only (some prior to version-2 switch).
532    
533    checkpoint64l (2013/08/05)
534    o model/src:
535      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
536      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
537        when using TAF but only if using OpenAD.
538    o pkg/mom_common+fluxform+vecinv:
539      - always set horiz. viscosity arrays to background value before calling
540        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
541        only when using variable horiz. viscosity (useVariableVisc=T);
542      - simplify mom_vecinv.F (only 1 block for momViscosity).
543    o pkg/mom_common: variable horiz. viscosity in NH code
544      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
545        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
546      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
547        useBiharmonicVisc & useVariableVisc.
548      - fix old bug (already in 1rst implementation of variable horizontal viscosity
549        in calc_gw.F, version 1.27, 2006/06/20):
550        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
551        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
552      - change background horiz viscosity in vertical momentum (gW) to always be
553        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
554        any type of variable viscosity, e.g., viscAh/4Grid)
555      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
556        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
557        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
558        default viscAh,viscA4 is zero).
559    o model/src:
560      - extend length of drC & recip_drC from Nr to Nr+1.
561    o Divided Adjoint (DIVA) with MPI:
562      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
563      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
564        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
565    
566    checkpoint64k (2013/07/23)
567    o tools/OAD_support:
568      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
569        and remove it from genmake2.
570    o tools/build_options:
571      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
572        MPI_HEADER_FILES list (let genmake2 find the missing headers)
573    o verification/halfpipe_streamice:
574      - change to driving stress formulation; update both Fwd & AD output.
575    o tools/genmake2 and Divided Adjoint with MPI:
576      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
577      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
578      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
579        Makefile, which is set by genmake2, and check which mpi-headers are needed.
580        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
581      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
582  o testreport:  o testreport:
583    - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,    - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
584      perform additional runs (number of additional runs is "add_DIVA_runs" taken      perform additional runs (number of additional runs is "add_DIVA_runs" taken

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