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revision 1.1900 by jmc, Tue Jul 23 13:52:00 2013 UTC revision 1.2008 by jmc, Fri Jun 20 13:13:37 2014 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint64y (2014/06/20)
8    o pkg/seaice/seaice_reg_ridge.F:
9      - modify the regularization of very small volumes of ice; only check
10        total volume HEFF, and do not apply correction to individual ice
11        classes because that leads to funny patterns in the heat and fw-fluxes
12        into the ocean. Adjust seaice_itd/results/output.txt
13      - replace nITD by SEAICE_multDim in loop-ranges
14    o pkg/exf:
15      - add code to process the case field period = -12. with UV interpolation.
16      - move debug print (formerly active when exf_verbose=T) from EXF_getFFieldRec
17        into S/R that calls it (i.e., exf_set_gen.F, exf_set_uv.F & obcs_exf_load.F)
18    o verification/global_with_exf:
19      - switch all fields period to -12. (was previously untested) in input/data.exf
20        (but keep secondary test ".yearly" unchanged); update the reference output.
21    o pkg/cal:
22      - new calendar type "noLeapYear" for 365 days calendar without any leap year.
23    o pkg/exf:
24      - new integer parameter "exf_debugLev" (default set to main model debugLevel)
25        to replace logical switch "exf_verbose"
26      - report in STDOUT when loading a new record (if exf_debugLev >= 3)
27    o pkg/sbo:
28      - update from Katherine Quinn: evaluate mass directly from density and SSH
29        (budget using Finite Volume method) instead of from bottom pressure.
30      - allow testreport to collect few selected SBO output ; tested in exp.
31        global_ocean.90x40x15 (after updating the results, to include SBO output).
32      - fix some multi-threading issues (in output part).
33    o model/src & most packages:
34      - always call {PKG}_READPARMS even if corresponding use{PKG}=F;
35      - in {PKG}_READPARMS, in case use{PKG}=F: add a call to new S/R
36        PACKAGES_UNUSED_MSG to print a weak warning when parameter file
37        "data.{pkg}" exist ; and leave the S/R (return) just after.
38      - more standard LAND pkg interface (land_init_fixed.F, land_check.F).
39        + call LAND_READPARMS from packages_readparms.F
40    o pkg/seaice:
41      - remove code that resets useThSice in S/R seaice_readparms and
42        replace it by a warning in S/R seaice_check
43      - remove parameter MULTDIM, replace with nITD and runtime
44        parameter SEAICE_multDim (still hard-wired to nITD if
45        SEAICE_ITD is defined)
46    
47    checkpoint64x (2014/05/24)
48    o verification/lab_sea:
49      - update adjoint and TLM output following changes to pkg/salt_plume
50      - un-do the update after putting back local recip_Cp in few places.
51    o pkg/salt_plume: modifications by An Nguyen:
52      - add capability to do brine rejection (salt-plume) as function of
53        volume+tracers (instead of only salinity tracer).
54      - conserve volume by exchanging volume from each kLev to above to
55        accommodate in-coming brine volume
56      - store surface and klev exchanged fraction + volume in 4 new 3-d arrays
57      - switch KPP surf buoyancy due to brine forcing to 3-d
58        (3 more 3-d arrays, 2 for SPforcing[T,S], 1 for boplume)
59      - add salt_plume_volfrac, salt_plume_apply, salt_plume_tendency_apply_t
60      - unrelatedly, also add ad-hoc capability to vary salt_plume scheme
61        in East/West Arctic.
62    o pkg/sbo:
63      - incorporate modifications from Katherine Quinn to enable the use of sbo
64        pkg in ECCO-v4 set-up ; remove SBO-TimeAve output ; add monitor-like
65        output for future testreport verification (unfinished).
66    o pkg/atm_phys:
67      - change diagnostics (AtPh_Trf & AtPh_Qrf) of DARGAN_BETTSMILLER S/R:
68        skip the reseting of t_ref & q_ref to initial t & q ; this preserve the
69        output of S/R CAPECALCNEW (Parcel temp & q) for diagnostics.
70    o pkg/seaice
71      seaice_calc_ice_strength.F: modify expression to avoid divisions
72        (affects truncation)
73      seaice_do_ridging.F: clean up the insectarium
74      - fix a bug that was compensated by areaScaling (-> remove areaScaling code)
75      - added SEAICEsnowFracRidge to redistributed snow (2nd bug)
76      - set closing/openingRate to zero where no extra iteration is need (3rd bug)
77      - add some debugging information and error messages (warnings)
78    o model/src: modifications relatd to atmosphere p*:
79      - Switch to more accurate p* coordinate slope term (calc_grad_phi_hyd.F)
80      - With p* or Sigma-P, use constant reference Pot.Temp (thetaConst) instead
81        of vertical profile tRef in geopotential background and anomaly.
82      - Acount for true p* correction in theta <-> T conversion in pkg/aim_v23
83        and pkg/atm_phys.
84      - Update FWD output of experiments: aim.5l_cs (x2), fizhi-cs-32x32x40,
85        fizhi-cs-aqualev20, fizhi-gridalt-hs, tutorial_held_suarez_cs, cpl_aim+ocn.
86    o pkg/seaice: fix a bug in seaice_prepare_ridging.F, forgot a sqrt
87    o pkg/ptracers: compute ptracer source/sink due to linear free surface.
88        not used right now, but can be used in BGC packages to fix conservation.
89    o pkg/dic, pkg/gchem: move tracer_meanarea to gchem, so it can be used by
90        other packages too.
91    o pkg/seaice/seaice_calc_ice_strength.F: replace SEAICE_rhoSnow by
92        SEAICE_rhoIce in the Rothrock (1975)-type strength calculations (bug fix)
93    o model/src:
94      - since we have several heat capacity (even in model/src), define "recip_Cp"
95        as local variable (no longer in common block) to avoid any confusion.
96      - add thetaConst in PARAMS.h (to be used with pStar or sigma-P coords).
97    o pkg/exf:
98      - from Jeff Scott: add option (#define EXF_CALC_ATMRHO) to calculate local
99        air density as function of air Temp, Humidity and atm pressure.
100    
101    checkpoint64w (2014/05/02)
102    o verification:
103      - update output_adm.txt files for experiment global_ocean.cs32x15 (seaice &
104        seaice_dynmix) and lab_sea (primary test & noseaicedyn): moving/changing
105        code from seaice_growth.F & seaice_advdiff.F to new ridging routines
106        seaice_reg_ridge.F seaice_do_ridging.F affects AD gradient
107        (down to 8-7 matching digits for global_ocean and 5-6 for lab_sea).
108    o model/src: for atmosphere in p* coords:
109      - store factor rStarFacC**atm_kappa (= pStarFacK) in common block
110      - implement more accurate p* coordinate slope term (in calc_grad_phi_hyd.F),
111        but not yet activated.
112    o pkg/seaice: fix restart problem for ITD with new ice strength parameterisation:
113      - move computation of opnWtrFrac = 1-AREA to before computing ice strength
114      - this changes the results (but not for any verification experiment, because
115        none tests this), but avoids having an extra field in the restart files
116    o pkg/seaice: remove global variable TICE (not needed)
117      - replace by TICES or local variable where necessary (cost_seaice_test,
118        seaice_diagnostics_state)
119      - move copying TICE to TICES from seaice_check_pickup to seaice_read_pickup
120      - use specific read/write routines for reading and writing individual leves
121        of a multilevel field
122    o pkg/ctrl & model/inc:
123      - move additional anomaly fields of control vars (related to options:
124         ALLOW_KAPGM_CONTROL, ALLOW_KAPREDI_CONTROL and ALLOW_BOTTOMDRAG_CONTROL)
125        from DYNVARS.h into new header file: CTRL_FIELDS.h
126    o pkg/seaice: some small modifications to the ridging code
127      - make fw2ObyRidge a global variable and add the freshwater flux to
128        seaice_growth
129      - pass actual thickness from seaice_prepare_ridging, so that it is
130        computed only in one place and compute it in the same way as in
131        seaice_growth
132      - initialise more fields in seaice_do_ridging that where cause floating
133        point exceptions over land
134    o pkg/seaice: preparations for ridging code and first real ridging code
135      - move most of "PART 1" of S/R seaice_growth into a new and separate
136        S/R seaice_reg_ridge that will both regularize the state variable after
137        advection call the actual ridging routine;
138      - requires to make 5 fields global fields: d_HEFFbyNEG,d_HSNWbyNEG,
139        d_AREAbyRLX,d_HEFFbyRLX,saltFluxAdjust;
140      - remove ridging code from seaice_advdiff
141      - clean up remaining part 1 of seaice_growth in an attempt to make it
142        more readable (this is probably subjective)
143      - call seaice_itd_redist once in the initialisation phase to have the initial
144        conditions in the correct category
145      - finally: add new ridging routine for ITD code
146    
147    checkpoint64v (2014/04/11)
148    o pkg/ecco:
149      - add runtime parameters mdt[start,end]date[1,2]
150      - rename variable "tpmean" as "mdt" and "topexmeanfile" as "mdtdatfile"
151    o pkg/seaice:
152      - make deltaC a global variable, so that it can be used in ridging code
153      - first step towards ridging: introduce new routines that compute
154        ice strength based on ridging parameters
155      - add diagnostic for HSNOWITD
156      - add opnWtrFrac as a global variable (required for ridging scheme)
157    o pkg/salt_plume + pkg/seaice/seaice_growth.F
158      - add SALT_PLUME_IN_LEADS flag to activate pkg/salt_plume only when ice
159        AREA exceeds a threshold (code contributed by I.Fenty in 2011)
160    o verification/hs94.1x64x5:
161      - leave ALLOW_AUTODIFF_TAMC undefined in code_oad/AUTODIFF_OPTIONS.h
162      - do not use ECCO_CPPOPTIONS.h anymore for TAF & OpenAD Adjoint tests.
163    o autodiff:
164      - Start to include explicitly AUTODIFF_OPTIONS.h, COST_OPTIONS.h,
165        and CTRL_OPTIONS.h in src files (to enable to skip the ECCO_CPPOPTIONS.h)
166        For now, only in pkgs used in verification/hs94.1x64x5.
167      - Replace ALLOW_AUTODIFF_TAMC by ALLOW_AUTODIFF (except for tape/storage
168        which are specific to TAF/TAMC).
169      - Replace ALLOW_AUTODIFF_OPENAD by ALLOW_OPENAD:
170        since ALLOW_OPENAD is defined in PACKAGES_CONFIG.h (any time pkg/openad
171        is compiled), this simplifies/reduces which *_OPTIONS.h file to include.
172      - OpenAD: change Makefile to generate the appropriate AD_CONFIG.h when
173        building mitgcmuv_ad (make adAll).
174    o pkg/ecco:
175      - cost_gencost_seaicev4.F:
176         reformulate proxy cost as function of sst and local param SEAICE_freeze
177         change cost names from siv4-[sst,vol] to siv4-[deconc,exconc]
178      - add stop statement if old names siv4-[sst,vol] are used
179      - add snapshots + cost reports for atmospheric longwave
180      - remove factor 0.1 in front of wtau[u,v]
181      - replace never used flag ALLOW_TMI_COST_CONTRIBUTION with
182         ALLOW_TMI_SST_COST_CONTRIBUTION
183    o pkg/atm_phys:
184      - add some diagnostics for Short-wave and for convection S/R.
185    o pkg/seaice/seaice_growth:
186      - fix a bug in the lateral melt parameterization for SEAICE_ITD
187        in seaice_growth; tempFrz needs to be computed inside the i/j-loop
188      - rearrange loop order for better vector code in the same code block
189      - rewrite the floeDiameter formula to have fewer divisions
190      -  (miraculously) none of this changes the results of seaice_itd
191    o pkg/smooth:
192      - move param smooth2Ddiffnbt to pkg/ecco
193    o pkg/salt_plume:
194      - salt_plume_frac.F:
195         clean up local param names
196         reformulate (1-frac) to frac; original 1-frac was based on swfrac code
197    o pkg/rw:
198      - add RS version of S/R READ_MFLDS_LEV.
199    o pkg/streamice:
200      - fix the restart test by writing/reading pickup_streamice files.
201    o pkg/seaice:
202      - refine checks for jfnk-related parameters
203      - comment out if statement with SEAICEuseIMEX parameter as long as there
204        is no IMEX code to avoid confusion and surprises
205    
206    checkpoint64u (2014/03/07)
207    o verification/MLAdjust:
208      - rename secondary test suffix:
209         1.leith  -> A4FlxF  + switch to flux-form & add side-drag
210         0.leithD -> AhFlxF  + switch to flux-form
211         0.smag   -> AhVrDv  (use Vorticity-Div. visc form) + add side-drag
212         0.leith  -> AhStTn  (use Strain-Tension visc form) + add side-drag
213    o pkg/mom_vecinv:
214      - remove unused arguments from S/R MOM_VI_HDISSIP & MOM_HDISSIP (as it used
215        to be before mom_calc_visc.F)
216      - skip the call to MOM_CALC_TENSION & MOM_CALC_STRAIN if not needed.
217      - add 2nd copy of vort3 & strain that knows about lateral BC (free/no slip):
218        this is simpler for the adjoint and for diagnostics.
219    o model/src + pkg/momentum:
220      - add input files for  2-D additional Western and Southern cell-edge wall
221         (e.g., to add "thin-wall" where it is =1).
222      - fix sideDrag option for thin-walls with Non-Lin Free-Surf
223        using 2nd hFacZ that is computed from initial (fix domain) hFac
224      - known limitations of thin wall implementation: not yet coded for sigma
225        coords; not working with CD-scheme neither.
226    o pkg/seaice:
227      - rename recently introduced parameters from (wrong name) AB to
228        BDF (backward difference time discretisation)
229      - retire runtime parameters SEAICEuseAB2, SEAICE_abEps
230    o tools/adjoint_options:
231      - remove setting of "OPENAD=true" (now set by command line "genmake2 -oad")
232    
233    checkpoint64t (2014/02/01)
234    o pkg/ecco
235      - add compile flag ALLOW_GENCOST_TIMEVARY_WEIGHT in ECCO_OPTIONS.h and
236        runtime logical flag gencost_timevaryweight to read daily sea-ice sigma
237      - replace hard-coded record number and period which only work for monthly
238        with read-in runtime param that works for other periods (month,day,year)
239    o pkg/thsice
240      - corrected store directive fixes thsice adjoint gradient checks
241    o genmake2 & testreport:
242      - add genmake2 option "-oad" to generate a Makefile for OpenAD built and
243        in this case, use tools/adjoint_options/adjoint_oad as default AD optfile.
244        Update testreport accordingly. No need to set "export OPENAD=true"
245        in adjoint_options/adjoint_oad anymore (will be removed later).
246    o pkg/shelfice:
247      - put T & S shelfice forcing into model surfaceForcing_T,_S (for now,
248        only if SHELFICEboundaryLayer=F); Change model/src/external_forcing.F
249        so that surface forcing applies to k=kSurf if using pkg/shelfice.
250    o pkg/ctrl, pkg/grdchk, pkg/ecco:
251      - Changes to make GENARR more modular (i.e. invisible if not used)
252    o model/src/temp_integrate.F and salt_integrate.F
253      - re-include store directives that were removed on Dec 27th.
254    o model/src/external_forcing_surf.F
255      - add storage directives for EmPmR and PmEpR to avoid recomputation of
256        seaice_model in the adjoint that is problematic when seaice_model is
257        turned off in the adjoint. The resolved issue dated back to July when
258        EXTERNAL_FORCING_SURF call was moved.
259        Update global_ocean.cs32x15/*/output_adm.seaice_dynmix.txt accordingly.
260    o pkg/exf/exf_check.F
261      - fix a small bug again (originally found by Wentao Liu, now found again)
262      - streamline error output
263    o pkg/streamice and aim_v23:
264      - replace a few "_EXCH_XY_RL (" with "_EXCH_XY_RL(", so that
265        Apple's /usr/bin/cpp knows what to do:
266        Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
267        Target: x86_64-apple-darwin13.0.0
268    
269    checkpoint64s (2014/01/05)
270    o tools/adjoint_options:
271      - switch to fastopt.net TAF server (instead of default fastopt.de) for
272        AD optfiles adjoint_diva & adjoint_f95 (similar to adjoint_default).
273    o model/src:
274      - remove some unnecessary TAF storage directives in forward_step.F and
275        in dynamics.F (note: not always removed by TAF, e.g., double storage
276        of kappaRU,kappaRV in former version of dynamics.F).
277    o model/src & pkg/ptracers:
278      - call directly GAD_IMPLICIT_R & IMPLDIFF + DWNSLP_APPLY from temp_integrate.F
279        salt_integrate.F and ptracers_integrate.F (instead of from thermodynamics.F)
280        and remove ptracers_dwnslp_apply.F & ptracers_implicit.F
281      - call MATRIX_STORE_TENDENCY_EXP for each tracer (in ptracers_integrate.F)
282      - add fZon & fMer as output argument of S/R GAD_CALC_RHS.
283      - update TAF AD-output of experiments global_ocean.90x40x15 (13 for AD-grad).
284    o useSingleCpuInput separates single-CPU input from single-CPU output;
285        for now only implemented for in exf_interp_read.F
286    o verification/advect_xy:
287      - fix missing EXCH call in local version of ini_salt.F and update output.
288    o momentum diagnostics:
289      - fix which deltaT is used in Total-Tendency diagnostics.
290      - fix typo in diagnostics for momentum tendency from AB.
291    o pkg/seaice/seaice_lsr.F: fix an initialisation bug for the
292        SEAICE_VECTORIZE_LSR_ZEBRA option that lead to NaNs on a NEC-SX8
293    
294    checkpoint64r (2013/12/08)
295    o verification/*/results:
296      - Update reference output of experiments that were passing with just 13 digits
297         (make it easier to detect future changes in results)
298    o model/src & pkg/ptracers:
299      - move calls to GAD_ADVECTION (Multi-Dim advection) from thermodynamics.F to
300        inside temp_integrate.F and salt_integrate.F and from ptracers_advection.F
301        to inside ptracers_integrate.F ; remove ptracers_advection.F
302    o coupling interface pkgs:
303        [atm_compon_interf, ocn_compon_interf & atm_ocn_coupler]
304      - change the config check to test the agreement of Ocean Depth
305        with ATM land/sea mask (instead of ATM orography);
306      - send to coupler the number of coupler time-steps to do for this run:
307        this allows to check for consistency and don't need anymore to be
308        specified in parameter file "data";
309      in coupler:
310      - check consistency of RunOff map versus Ocean Depth and ATM land/sea mask.
311      - improve report to log-file of config setting (pass log-file unit to few S/R)
312    o pkg/compon_communic:
313      - add coupling send/receive for non-tiled integer vector;
314      - add S/R to check and stop if any proc has an error (similar to
315        eesupp/src/stop_if_error.F but single thread and across Comm_World).
316    o pkg/exch2:
317      - in exch2*_get_rx[1,2]: use new list "W2_tileIndex" to replace search
318        through list of all tiles my proc owns.
319    o model/src:
320      - AUTODIFF only: in calc_adv_flow.F, recompute rTransKp (instead of copying
321        from rTrans) to simplify dependencies (no need to store rTrans anymore in
322        calling S/R); this affects AD results at machine truncation level:
323        update AD-output (TAF) of experiments: 1D_ocean_ice_column,
324        bottom_ctrl_5x5 & obcs_ctrl (12 digits for AD grad, same FWD grad).
325    o tools/build_options:
326      - simplify Warnings options (-ieee & -devel cases) in linux_amd64_gfortran
327    o coupling interface pkgs:
328        [compon_communic, atm_compon_interf & ocn_compon_interf]
329      - move declaration of local array "ibuf" out of header file "CPLR_SIG.h"
330        to each S/R that needs it; remove un-used variables.
331      - change component tile registration (cpl_register.F in both compon_interf
332        and mitcomponent_tile_register.F) to pass the full list of tiles
333        information (including bi,bj) in 1 vector (instead of in a bi,bj matrix).
334      - with pkg/exch2: adopt the same convention used for I/O to define mapping
335        towards coupler global array (unless W2_useE2ioLayOut=F):
336         a) can now use different tiling between atm & ocn comp.
337         b) no needs to modify the run-Off map when changing tiling (was needed
338            even if using the same tiling between atm & ocn).
339         c) will allow to run with blank-tiles in 1 component (e.g., for ocean
340            full land tiles); not yet tested.
341      - check for valid mapping from comp. tile to coupler global array
342      - improve report of tile registration results to log file.
343    o pkg/exch2:
344      - in eesupp/src/eeboot.F: move call to W2_EEBOOT before Coupler
345        tile-registration (CPL_REGISTER);
346      - activate (un-comment) definition and setting of "W2_tileIndex" list to
347        store the local bi,bj indices of each tile;
348      - also print bi,bj in local report to log file;
349      - fix pkg/debug/debug_cs_corner_uv.F for the case nSy > 1 (left from
350        Jun 2009 modif of pkg/exch2).
351    o testing on baudelaire:
352      - run 2 tests at a time: no significant slow down (since enough cpu) and
353        get the full set of test done earlier
354      - switch the ifort test to "-devel" ; run the OpenAD test everyday.
355    o model/src/thermodynamics.F and routines called from it:
356      - pkg/gmredi: gmredi_residual_flow.F (replacing gmredi_calc_uvflow.F &
357        gmredi_calc_wflow.F) to update eulerian velocity (input) into residual
358        velocity (outp) by adding bolus velocity.
359      - model/src: calc_adv_flow.F (replacing calc_common_factors.F) to compute
360        mass transport from velocity + lateral grid cell area
361      - rename calc_gt.F to temp_integrate.F (includes call to TIMESTEP_TRACER)
362      - rename calc_gs.F to salt_integrate.F (includes call to TIMESTEP_TRACER)
363     in thermodynamics.F
364      - remove k from thermodynamics.F and move it to temp_integrate.F
365        salt_integrate.F and ptracers_integrate.F (now done inside the tracer
366        loop).
367      - compute locally (in thermodynamics.F) 3-D velocity field that is used to
368        advect tracers; pass it as argument to GAD_ADVECTION, GAD_SOM_ADVECT,
369        PTRACERS_ADVECTION, TEMP_INTEGRATE, SALT_INTEGRATE, PTRACERS_INTEGRATE,
370        GAD_IMPLICIT_R and PTRACERS_IMPLICIT
371      - update AD-output (TAF & OAD) of experiments: 1D_ocean_ice_column,
372        global_ocean.90x40x15, tutorial_global_oce_biogeo and
373        tutorial_tracer_adjsens (+ TLM output).
374    o tools/OAD_support and (verification/*/) code_oad:
375      - OAD_support/cb2mGetModules.csh: add PACKAGES_CONFIG.h in header file to
376        module conversion ; remove unneeded CPP_EEOPTIONS.h.
377      - code_oad/CPP_OPTIONS.h: remove PACKAGES_CONFIG.h and use a more standard
378        version (closer to model/inc/CPP_OPTIONS.h).
379    o model/src:
380      - remove parameter "useOldFreezing" from PARAMS.h and push it to the
381        retired list of parameters (routine FREEZE has been replace by surface
382        freezing (10.yrs ago) and by pkg/frazil (interior freezing).
383    o pkg/gmredi:
384      - add option (GM_CALC_TRANSP_FROM_VEL) to compute transport directly from
385        velocity (same scheme but affects machine truncation) for GM_AdvForm.
386      - update output of FWD experiments: front_relax.bvp,
387        global_ocean.90x40x15.dwnslp, global_ocean.cs32x15 and ideal_2D_oce.
388    
389    checkpoint64q (2013/11/17)
390    o verification:
391      - generate new output on baudelaire (gfortran, -ieee) for OpenAD experiments
392        tutorial_global_oce_biogeo and global_ocean.90x40x15.
393      - generate new output (growth & melt) for seaice_itd experiment after
394        updating the input pickup_seaice files (previously wrong).
395    o pkg/cost:
396      - define a "final cost function" for each tile, and use GLOBAL_SUM_TILE_RL
397        (instead of _GLOBAL_SUM_RL) to get the final cost from all procs & threads:
398        o this fixes global-sum value if multi-threads (since GLOBAL_SUM_RL
399          cannot be applied to var in common block).
400        o allows to get results independent of tile-per-proc setting (if using
401          slower GLOBAL_SUM_SEND_RECV option).
402      - update accordingly: seaice_cost_final.F, shelfice_cost_final.F,
403        thsice_cost_final.F and ecco_cost_final.F (this one affects lab_sea
404        forward gradients: update output).
405      - update */code_oad/externalDummies.F by adding dummy GLOBAL_SUM_TILE_RL
406        S/R and, for most exp., also comment out GLOBAL_SUM_R8.
407    o pkg/mom_common:
408      - move to pkg/mom_common and model/src (previously in tutorial_deep_convection
409        code) 2nd version of isotropic 3-D Smagorinsky code interface: strain and
410        viscosity are locally declared in dynmics.F and pass as argument to CALC_GW;
411        ensure that all field value that are used are set.
412    o tutorial_deep_convection (smag3d):
413      - add missing scaling in mom_calc_smag_3d.F;
414      - set smag3D_coeff in input.smag3d such that results do not change.
415    o pkg/dic:
416      - change dic_cost.F to compute cost on each tile first and then apply
417        GLOBAL_SUM_TILE_RL: this affects forward gradient of AD experiments
418        tutorial_dic_adjoffline & tutorial_global_oce_biogeo; update output.
419      - remove kLev argument and use GLOBAL_SUM_TILE_RL in tracer_meanarea.
420    o eesupp/src & pkg/mdsio:
421      - remove gather/scatter_vector.F (from eesupp) and mdsio_read/writevector.F
422        (from pkg/mdsio) since they are no longer used for tape IO.
423      - move simple C subroutine "setdir.c" from pkg/compon_communic to eesupp/src
424        (+ keep a copy in pkg/atm_ocn_coupler).
425    o verification/isomip:
426      - split domain in 8 squared tiles (instead of just 2) for FWD, AD & OAD tests.
427    o tools/build_options:
428      - optfile linux_amd64_ifort11, fast (no ieee) case:
429        to get a working restart for all experiments, add "-fp-model source"
430        to FOPTIM (also remove "-opt-streaming-stores auto" <- this is the default).
431    
432    checkpoint64p (2013/10/20)
433    o pkg/autodiff:
434      - adread_adwrite.F: when type and length do not match ALLOW_AUTODIFF_WHTAPEIO
435        criteria, return to simple (default) tape IO format.
436    o pkg/mdsio (+ eesupp/src):
437      - rewrite/simplify tape-IO S/R (new S/R MDS_READ/WRITE_TAPE replace
438        previous MDSREAD/WRITEVECTOR) with 2 array argument from each type (R4/R8);
439      - fix globalFile and singleCpuIO options using simpler global mapping.
440      - new pairs of scatter/gather vector S/R (one for each type, generated from
441        template) corresponding to simpler global mapping.
442      - adread_write.F: switch to new S/R (but leave old calls commented) and write
443        to globalFile when parameter globalFiles is set to True.
444      - switch on useSingleCpuIO in AD experiments: global_ocean.90x40x15 & isomip.
445    o pkg/autodiff:
446      - adread_adwrite.F: add a hack for RS arrays (when RS=real*4);
447        with ALLOW_AUTODIFF_WHTAPEIO defined, since corresponding (real*4) is
448        missing, just add a STOP if array type do not match.
449    o pkg/exf:
450      - to allow to use seaice-fraction from pkg/exf in other pkgs than pkg/seaice:
451         rename CPP option EXF_ALLOW_SEAICE_RELAX to EXF_SEAICE_FRACTION
452         and rename array obsSIce to exf_iceFraction.
453    o tutorial_deep_convection:
454      - add 1rst version of isotropic 3-D Smagorinsky code (from Louis-Philippe),
455        for now all in this exp. code dir.
456      - add secondary test using Smag-3D viscosity (keep very low backgroud visc for
457        testing) and flux-limter advection scheme for Temp. (no explicit diffusion).
458    o eesupp/src:
459      - added SINGLE_DISK_IO option because reading of parameter files on
460        very large number of processors did not work with existing set-up
461    
462    checkpoint64o (2013/09/25)
463    o pkg/atm_phys & atm_compon_interf:
464      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
465    o tools/build_options:
466      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
467        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
468        remove CPP setting (was identical to genmake2 default).
469    o pkg/gmredi & model/src: Some updating and work done on the residual model.
470      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
471      - fixed up the calculation of the eddy stress and how it is added to the
472        external forcing via taueddy_external_forcing.F
473      - at the moment, it is very experimental and only works with the variable eddy
474        diffusivity calculated in gmredi_k3d.F
475    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
476        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
477    o testreport (& tools/do_tst_2+2):
478      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
479    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
480      - remove CPP='cpp -traditional -P' (this is genmake2 default)
481      - add switch (for big setups) to use 'medium' memory-model (but leave it
482        commented out for now). Note: needed with FC 19 to compile big setups.
483    o pkg/atm_compon_interf:
484      - regroup per field origin (model & pkgs) the coupling storage routines
485         (which accumalate in time each coupling field)
486      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
487        update accordingly + simplify aim_do_physics.F
488    
489    checkpoint64n (2013/08/26)
490    o pkg/bbl:
491      - update formulation to reduce dispersion of tracer properties in bbl
492      - replaced horizontal and vertical transport parameters with velocities
493      - changes results for verification/global_with_exf.yearly
494    o verification/halfpipe_streamice:
495      - change to matrix construction; update both Fwd & AD output.
496    o verification/tutorial_tracer_adjsens:
497      - OpenAD test: switch to vector-invariant momentum since fluxform with
498        rStar causes problems with OpenAD; update output.
499    o tools:
500      - genmake2: define a common prefix for all temp-file names ; move them
501        to local /tmp disk (but would be easy to move them back);
502      - xmakedepend: apply the same switch for temp-files.
503    o pkg/offline:
504      - changes for use with rStar (NLFS): assume that we continue to provide
505        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
506        output files) and apply r* scaling at each time-step (function of the time
507        varying Eta field); use normal pickup files (needed for restart with NLFS).
508    o adjoint with OpenAD:
509      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
510        package openad.  This package has to be compiled for all runs with OpenAD
511        instead of specifying code_oad_all as a modification directory.
512      - link the fortran templates from tools/OAD_support to the build directory
513        for preprocessing to avoid conflicts between different setups compiled
514        simultaneously and simplify cleanup.
515    o pkg/exf:
516      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
517        main model or other pkgs are exchanged in EXF_MAPFIELDS).
518    o model/src:
519      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
520        (similar to do_fields_blocking_exchanges.F).
521    o tools/genmake2:
522      - remove TAF output src code just before calling staf (when not doing a fresh
523        built, will stop if things go wrong with staf).
524      - fix target "adobj" (left from TAF version-2 transition)
525    o pkg/diagnostics:
526      - add a parameter to track the status of pkg/diagnostics activation;
527        this replace/extend the use of logical param "settingDiags" (to check
528        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
529        New S/R to print error message and stop when pkgStatus is not right.
530      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
531    
532    checkpoint64m (2013/08/13)
533    o model/inc:
534      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
535        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
536    o pkg/kpp & aim_v23:
537      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
538    o pkg/seaice:
539      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
540        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
541      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
542    o eesupp/src:
543      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
544        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
545    o switch to TAF version-2:
546      - add flow directives to "freeze" naming convention for ad-routines that
547        are used in I/O routines of adjoint state and associated common blocks
548        that are used in adcommon.h (backward compatible with version-1)
549      - update all ad-optfiles (in tools/adjoint_options + few local to some
550        verification exp) to switch to latest TAF version (currently 2.5.5);
551        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
552        out except for diva).
553      - the major change with TAF version-2 is that both the differentiated
554        routines and the forward routines (new) are returned as part of the TAF
555        output source code. Update genmake2 accordingly.
556      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
557        with version-2 when compared to TLM or FWD gradient); other experiments
558        output show minor changes (machine truncation level); update the few AD &
559        TLM output with 12 matching digits only (some prior to version-2 switch).
560    
561    checkpoint64l (2013/08/05)
562    o model/src:
563      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
564      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
565        when using TAF but only if using OpenAD.
566    o pkg/mom_common+fluxform+vecinv:
567      - always set horiz. viscosity arrays to background value before calling
568        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
569        only when using variable horiz. viscosity (useVariableVisc=T);
570      - simplify mom_vecinv.F (only 1 block for momViscosity).
571    o pkg/mom_common: variable horiz. viscosity in NH code
572      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
573        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
574      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
575        useBiharmonicVisc & useVariableVisc.
576      - fix old bug (already in 1rst implementation of variable horizontal viscosity
577        in calc_gw.F, version 1.27, 2006/06/20):
578        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
579        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
580      - change background horiz viscosity in vertical momentum (gW) to always be
581        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
582        any type of variable viscosity, e.g., viscAh/4Grid)
583      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
584        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
585        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
586        default viscAh,viscA4 is zero).
587    o model/src:
588      - extend length of drC & recip_drC from Nr to Nr+1.
589    o Divided Adjoint (DIVA) with MPI:
590      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
591      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
592        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
593    
594  checkpoint64k (2013/07/23)  checkpoint64k (2013/07/23)
595  o tools/OAD_support:  o tools/OAD_support:
596    - avoid the need for file "oadtempflile" in insertTemplateDir.bash    - avoid the need for file "oadtempflile" in insertTemplateDir.bash

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