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revision 1.2083 by gforget, Thu Oct 16 20:23:21 2014 UTC revision 1.2202 by jmc, Wed Nov 18 14:58:09 2015 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/ctrl,ecco,exf :  checkpoint65q (2015/11/18)
8    o pkg/seaice/seaice_evp:
9      - fix residual computations so that they no longer affect the actual
10        simulation code
11      - fix seaice_readparams to be able to actually set new parameters
12        SEAICEaEVPcStar and SEAICEaEVPalphaMin, also fix logic a little
13    o model/src:
14      - fix wrong truncation (single prec) from "FLOAT" function in expressions
15        like: deltaT*FLOAT(myIter) when myIter is large:
16         a) replaced by DFLOAT (if not seen by TAF);
17         b) remove "FLOAT" and use implicit type conversion (if seen by TAF).
18    o pkg/aim_v23:
19      - write/read the expected CO2 pickups (from S/R AIM_DO_CO2): fix reading
20        when pickupSuff is set ; do write rolling pickups + at the end of the run.
21    o pkg/atm_ocn_coupler + ocn_compon_interf:
22      - in prep for using pkg/seaice Dyn in coupled set-up, implement sequential
23        coupling option-1: ATM -(cpl)-> OCN and then OCN -(cpl)-> ATM ;
24        add corresponding call in DO_OCEANIC_PHYS.
25    o coupler pkgs:
26      Start a new way to set-up optionally-exchanged variables (previously, only
27       there for exchange_DIC): switch on/off from 1 place, at run-time, in coupler
28       data.cpl (new) instead of at compile time in ATMIDS.h & OCNIDS.h ;
29       send switch to ATM & OCN compon before reading their own "data.cpl" (so that
30       compononent param default can be set accordingly).
31      Note: this new switch (cpl_exchange_[xxx]) is not a per variable switch
32       but rather applies to a group a fields (going both ways like for DIC)
33       and corresponds to an option of coupling config.
34      coupler (pkg/atm_ocn_coupler):
35      - change parameter file from "data" to "data.cpl" (in cpl_read_params.F),
36        and read namelist directly (without eessup S/R calls) instead of
37        in the very un-flexible old way, 1 param per line, in fixed order;
38      - add error-counter to track errors (e.g., missing "data.cpl") and to stop
39        cleanly in CPL_CHECK_CPLCONFIG
40      - add new coupling-exchange selectors (some not yet active) including
41        cpl_exchange_DIC (to set to 3 to replace atmCpl_exchange_DIC=T in ATMIDS.h
42                                             and ocnCpl_exchange_DIC=T in OCNIDS.h);
43      - add 2 new S/R (CPL_SEND_ATM/OCN_CPLPARMS) to send coupler-params to each
44        component ; called directly from coupler.F, after comp. registrations;
45      - rename few variable-ID names (in ATMIDS.h & OCNIDS.h):
46         atm/ocnSeaIceName --> atm/ocnSIceMassName ; atm/ocnFCO2Name ->
47          -> atm/ocnCO2FluxName ; atm/ocnWSpdName --> atm/ocnWindSpdName
48      components (pkg/atm_ & ocn_compon_interf):
49      - add ATM/OCN_CPL_OPTIONS.h in component pkgs and include the corresponding
50        CPP header file in all pkg source files.
51      - move checking of comp. configs out of cpl_exch_configs.F into new S/R
52        ATM/OCN_CHECK_CPLCONFIG;
53      - add error-counter to track errors (e.g., in "data.cpl") and to stop
54        cleanly in ATM/OCN_CHECK_CPLCONFIG;
55      - add new S/R CPL_IMPORT_CPLPARMS to import coupling-exchange selectors
56        from coupler ; called from initialise_fixed.F, after PACKAGES_BOOT and
57        before PACKAGES_READPARMS;
58      verification/cpl_aim+ocn/:
59      - update ATMIDS.h & OCNIDS.h (in shared_code) and use new parameter file
60        "data.cpl" for coupler (in input_cpl).
61    o eesupp/inc:
62      - change the MPI-global-sum default (in CPP_EEOPTIONS.h) to:
63        #define GLOBAL_SUM_ORDER_TILES (only affects MPI built of global_sum_tile.F)
64        to always cumulate tile local-sum in the same order (still uses
65        MPI_Allreduce like standard code).
66      - in verification experiment code, remove local CPP_EEOPTIONS.h_mpi files
67        that are now identical to standard version (in eesupp/inc).
68    o pkg/shelfice:
69      - add SHELFICETransCoeffTFile for initializing spatially varying
70        heat and salt transfer coefficients
71    o pkg/atm_compon_interf & ocn_compon_interf:
72      - combine into 1 (new) S/R CPL_EXPORT_IMPORT_DATA the two previous
73        S/R CPL_EXPORT_MY_DATA & CPL_IMPORT_EXTERNAL_DATA
74      - move bi,bj loops inside S/R OCN_STORE_MY_DATA
75    o pkg/atm_ocn_coupler:
76      - initialise to zero ATMVARS.h & OCNVARS.h arrays.
77    o pkg/rbcs:
78      - select RBCS-mask for Temp & Salt the same way as for pTracer ; this allows
79        to compile with maskLEN=1 when all tracers use the same RBCS-mask.
80      - add a short report (to STDOUT) about RBCS-mask settings.
81    
82    checkpoint65p (2015/10/23)
83    o pkg/seaice/seaice_evp.F: fix store directives and key computations, since
84        there is no adjoint test for EVP, we don't know what it does to the adjoint
85        solution, but at least there are no more recomputation warnings left
86    o pkg/seaice/seaice_evp.F: slight modification of averaging so that EVP stands
87        a chance of giving the same results as a fully converged VP (JFNK) solver
88    o tools/adjoint_options/adjoint_diva:
89      - fix bug (typo) in Tang-Linear FLAGS setting for MPI + DIVA
90    o pkg/streamice:
91      - spotted bug in streamice_driving_stress using dyG where should have been dxG
92    o pkg/exf:
93      - remove STOP statement that prevented to use wind or (wind-)stress
94        interpolation for constant-in-time forcing fields (wind/stress period = 0).
95    o pkg/seaice:
96      - replace SEAICE_EVP_USE_ADAPTATION by run time parameters, requires
97        5 additionals 2D fields and 6 new store directives
98      - change logic in seaice_readparms.F: EVP code can now be turned on in
99        various ways, setting SEAICE_deltaTev is no longer required,
100        alternatively set SEAICE_evpAlpha/Beta, SEAICEuseEVPstar, SEAICEuseEVPrev,
101        or SEAICEaEVPcoeff
102    o pkg/shelfice/shelfice_thermodynamics.F
103      - redefining uLoc/vLoc to u/v, instead of 2u/v
104    o pkg/seaice/seaice_evp.F: introduce "adaptive EVP" by Madlen Kimmritz
105      - this is an intermediate state of a truely converging EVP that has
106        the potential of outperforming implicit VP methods, I do not recommend
107        using it yet.
108      - for now, "adaptive EVP" is turned on by setting SEAICE_EVP_USE_ADAPTATION
109        and all parameters are hardwired
110      - for convergence it still requires very smooth regularisations, that means,
111        if SEAICE_DELTA_SMOOTHREG is defined, deltaCreg=deltaC+deltaMin, which is
112        different from the VP case with deltaCreg=sqrt(deltaC**2+deltaMin**2); also
113        specific averaging appears to be required, still subject to tuning
114      - still needs cleaning and I need to turn parameter into runtime parameters
115      - add code to compute and print residuals of iteration, compile with
116        defining ALLOW_SEAICE_EVP_RESIDUAL to enable it
117    o pkg/seaice/seaice_evp.F: fix a bug (factor of four in front of e12Csq)
118      that entered with r1.54 on Sep04, 2015, -> update results
119    
120    checkpoint65o (2015/09/14)
121    o pkg/mom_vecinv & mom_common:
122      - add deep-atmosphere geometry factor in mom_calc_visc.F + in routines
123        called from there.
124      - add anelastic and deep-atmosphere geometry factor in pkg/mom_vecinv ; this
125        allows to use Vector-Invariant form in deep atmos and anelastic formulation
126    o pkg/seaice: introduce fast ice parameterisation following Itkin et al. (2015)
127      and Koenig-Beatty+Holland (2012)
128      - two new parameters SEAICE_tensilFac and SEAICE_tensilDepth
129      - global 2D field tensileStrength, computed in seaice_calc_ice_strength
130      - requires an extra input argument for S/R seaice_calc_viscosities
131      - tensileStrength's depth dependence is different from Itkin et al. (2015)
132        (to be changed and played with, for now exponential)
133    o pkg/seaice: introduce new parameter SEAICEscaleSurfStress (default = .FALSE.)
134      - if TRUE scale ice-ocean and ice-atmosphere stress acting on sea ice
135        by AREA according to Connelly et al. (2004), JPO.
136      - For EVP and the LSR solver, the implicit part of the drag term is
137        the only non-zero term in the denominator when there is no ice (which
138        prevented running the model with zero ice-ocean drag). If
139        SEAICEscaleSurfStress = .TRUE., this results in a division by zero
140        (or zero main diagonals BU/BV) which need to be caught. A practical
141        consequence is that for open water, the momentum equation reduce
142        to trivially 0 = 0 + 0 (for EVP). For LSR, BU/BV are reset to 1, if
143        they happen to be zero, often leading to a non-zero solution over
144        open water.
145    o pkg/seaice: revise EVP code (seaice_evp.F) in preparation for a more
146        efficient EVP method.
147      - introduce area-weighted averages for e12 (analogously to
148        seaice_calc_viscosities.F); this totally changes lab_sea.hb87 (2 digits
149        remain, but also changing the order of terms in the previous average
150        changed the results as much) -> update experiment
151      - add SEAICE_DELTA_SMOOTHREG code
152      - disentangle computation of zetaC/deltaC and zetaZ/deltaZ, also for
153        TEM-code
154      - adjust loop bounds so that only required fields are computed
155      - add new averaging code for zetaZ/deltaZ (again similar to
156        seaice_calc_viscosities.F), inactive by default for now (will change
157        results again), but will replace old code eventually
158    o eesupp/src:
159      - add an other alternative for multi-proc GLOBAL_SUM (in global_sum_tile.F)
160        to always cumulate tile local-sum in the same order
161        (option #define GLOBAL_SUM_ORDER_TILES in CPP_EEOPTIONS.h).
162        Still uses MPI_Allreduce (like standard code) but on array of tiles
163        and should be faster than GLOBAL_SUM_SEND_RECV code.
164      - switch almost all verification experiments that use GLOBAL_SUM_SEND_RECV
165        (defined in CPP_EEOPTIONS.h_mpi) to GLOBAL_SUM_ORDER_TILES instead.
166      - add CPP_EEOPTIONS.h_mpi with GLOBAL_SUM_ORDER_TILES defined in 14 more exp.:
167         aim.5l_cs, cheapAML_box, deep_anelastic, dome, fizhi-cs-32x32x40,
168         fizhi-cs-aqualev20, fizhi-gridalt-hs, global_ocean_ebm, matrix_example,
169         natl_box, solid-body.cs-32x32x1, tutorial_advection_in_gyre,
170         tutorial_baroclinic_gyre and tutorial_held_suarez_cs.
171    
172    checkpoint65n (2015/07/29)
173    o pkg/thsice:
174      - add a warning when used with pkg/aim but without updating SST
175        (stepFwd_oceMxL=F & useCoupler=F & tauRelax_MxL<>-1 ).
176    o pkg/offline:
177      - change where Offline-Fields are loaded, from load_fields_driver.F to
178        directly within FORWARD_STEP, just after updating iter number and time;
179      - move setting of GM and KPP diffusivity out of OFFLINE_FIELDS_LOAD into new
180        S/R OFFLINE_GET_DIFFUS that is called towards the end of DO_OCEANIC_PHYS;
181       These changes allow:
182        a) to recover exactly on-line results using deltaToffline=deltaTClock,
183        tested (using offlineIter0= nIter0 -1 and offlineTimeOffset= -deltaT/2)
184        both with Lin & Non-Lin Free-Surf, both with staggerTimeStep & synchronous
185        time-step, both with GM & KPP files and with recomputing these fields;
186        b) no needs to switch on staggerTimeStep anymore;
187        c) simplify rescaling of offline horiz. velocity with Non-Lin Free-Surf.
188      - update output of experiment tutorial_dic_adjoffline (only 3 digits left).
189    o pkg/offline:
190      - change (rarely used) offset-iteration parameter to an offset time (in s):
191        can easily recover previous offset-iter effect by setting offset-time
192        (offlineTimeOffset) to offset-iter x deltaToffline;
193      - do not turn-off Temp & Salinity surface relaxation when using KPP (used
194        in KPP as part of surface buoyancy forcing) in offline run.
195      - fix ptracers KPP non-local term in the case where KPP is re-computed.
196    o OpenAD
197      - Adding preliminary ggl90 test to OpenAD verification.
198        Config. with ggl90 currently diverges after 64 time steps
199        so will need more work to become more stable
200      - Adding preliminary kpp test to OpenAD verification.
201        required small tweakes in kpp_routines.F
202      - Merge and update from Krishna Narayanan's contrib area:
203        * Add one variable for preliminary OpenAD DIVA
204        * Add replacement time-stepping for OpenAD DIVA
205        * genmake2 flag -diva (but only for OpenAD; preliminary)
206        * required modifs for OAD_support
207        successful preliminary test for tutorial_global_oce_biogeo/
208    o pkg/seaice:
209      - initialise deltaC in seaice_lsr, cosmetic changes in seaice_lsr
210      - add cpp-flag SEAICE_DELTA_SMOOTHREG for option of regularising
211        delta with a smooth function in s/r seaice_calc_viscosity
212        (no effect on EVP)
213      - rename local suffix "sqr" into "sq" for more consistent variable names
214    o pkg/seaice:
215        add new parameter SEAICE_deltaMin that is used ***only***
216        for regularizing Delta (and nothing else, like the parameter
217        which is also used for all sorts of things SEAICE_EPS).
218        Defaults to SEAICE_EPS for backward compatibility only.
219    o pkg/seaice: replace erroneously storing e12Csqr on the wrong tape with
220        the wrong key by inialising it before use -> fixes a recomputation
221        problem but does not fix the gradient
222    o pkg/layers:
223      - move resetting of flux arrays to outside the iLa loop
224        (this caused layers_diapycnal to not work with more than one layer coord.)
225      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
226    o pkg/layers:
227      - remove from common block 3D layers fields (used to diagnose transport
228        in tracer coords) and declare them as local arrays in layers_calc.F
229    o pkg/seaice:
230      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
231        in lab_sea forward experiment (changes results -> updated)
232      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
233    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
234       computations; for SEAICE_VECTORIZE_LSR
235      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
236        sweep to the outside,
237      - remove store directives and add "CADJ loop sequential" directives
238        in analogy to model/src/solve_tridiagonal.F
239      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
240        boundaries to yield more readable code. This has also the charming side
241        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
242        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
243        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
244        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
245        an additional option)
246       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
247       but the adjoint gradients (which are affected by this change) still explode.
248    o coupler (atm & ocn _compon_interf):
249      - avoid using Exch2 IO mapping if not suitable.
250    
251    checkpoint65m (2015/06/15)
252    o pkg/layers:
253      - clean-up old parameters setting (from Sep 2012):
254        + remove old parameters setting from common block (declared locally);
255        + stop if any old parameter is mixed with new parameters;
256        + check for valid or consistent parameter setting (e.g., layers_name)
257      - check that layers_bounds for Pot.Density are in the right range;
258        this is supposed to catch un-updated setting after recently shifting
259        potential density field "prho" by -1000 (now in "sigma" scale).
260    o pkg/layers:
261      - Added missing call to layers_fill for keeping track of tottend in
262        pkg/diagnostics/diagnostics_fill_state.F
263    o pkg/layers:
264      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
265        of diapycnal fluxes
266    o pkg/layers:
267      - reverted changes to interpolation to previous treatment; there
268        was never actually a problem
269    o pkg/layers:
270      - fix interpolation of layers tracers in the presence of partial cells
271      - add lots of new functionality to compute water mass transformation
272        (enabled by CPP flag LAYERS_THERMODYNAMICS)
273      - add new calls from main code (diags_oceanic_surf_flux.F,
274        thermodynamics.F, impldiff.F) and gad to save the necessary fields
275        for layers_thermodynamics calculations
276    o pkg/ptracers:
277      - add capability of stepping a passive tracer forward without advection
278        by setting PTRACERS_advScheme to 0.
279    o pkg/diagnostics:
280      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
281    o pkg/layers:
282      - shift potential density field "prho" by -1000 for density layer averaging so
283        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
284        Note that density bin boundaries (layers_bounds in data.layers) have
285        to be set accordingly (i.e., shifted, in sigma scale).
286    o pkg/layers:
287      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
288      - fix calculation of layer non-weighted velocity and layer probability
289      - add diagnostics for pot.density used for layer averaging
290    o pkg/seaice:
291      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
292        positiveness, modify a few comments and improve variable names,
293      - the changed computation of deltaC affects most seaice-related
294        experiments at the truncation level.
295        seaice_itd.thermo is affected by far the most, with
296        only 7 digits of agreement remaining; update experiments.
297    
298    checkpoint65l (2015/05/04)
299    o pkg/shelfice:
300      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
301        factor drKp1 to zero where it is negative (ie. do not use
302        SHELFICEBoundaryLayer if hFacC>1)
303      - the same for factor drLoc in shelfice_forcing.F
304    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
305        with modules in ptracers, when using testreport option "-small_f"
306    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
307      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
308    o verification/testreport
309      - add new option -small_f
310        with this option testreport first makes the target small_f (*.f files)
311        before running make (all). This is useful for explicit inlining when
312        all sources need to be full available.
313    o pkg/exf/exf_interp.F:
314        remove previous changes related to reverse (decreasing) input grids latitude
315    
316    checkpoint65k (2015/04/01)
317    o pkg/ecco:
318        fix missing cosphi initialization; use eccoiter in place of optimcycle;
319        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
320        instead of active read/write
321    o pkg/ctrl:
322        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
323        instead of active read/write.
324    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
325        return if .NOT.useAUTODIFF
326    o pkg/seaice: add CPP brackets (cost function related).
327    o model/src:
328        add useAUTODIFF run time switch.
329    o pkg/exf/exf_interp.F:
330        add code to allow input grids with latitude starting in the north (i.e. when
331        j=1 corresponds to northern edge of field); modify global_with_exf to test
332        this feature.
333    o verification/testreport:
334      - replace "grep -A3" with POSIX conformal sed command, because there are
335        implementations of grep that cannot do contextual searches
336      - replace "cat -n" by "nl" (two occurrences), because not all implementations
337        of "cat" have the option "-n"
338    o model/src:
339        add new file gsw_teos10.F that contains 3 functions, more or less a copy
340        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
341        convert from conservative to potential temperature. For now they are not
342        called anywhere.
343    o pkg/ggl90: make "useIDEMIX" useful
344      - re-organize code in s/r ggl90_calc a little to move computations that
345        are different for idemix into separate loops (changes verification
346        experiment idemix at truncation level, 12 digits remain -> updated)
347      - requires 2 new 2D fields KappaM, verticalShear
348      - make hFacI and recip_hFacI local 3D variables that are passed to
349        s/r ggl90_idemix
350      - fix and improve some comments
351    
352    checkpoint65j (2015/02/25)
353    o pkg/openad
354      - synchronize seawater.F with version in model/src: replace routine
355        body of sw_temp by calling sw_ptmp and fix/add a few comments.
356    o pkg/mnc:
357      - change default value of pickup_read/write_mnc params to FALSE
358        (since few features are missing in reading MNC pickup files).
359    o model/src:
360      - change default (background) vertical diffusivity for salt to be the
361        temperature (background) vertical diffusivity.
362      - change background vertical diffusivity in vertical mixing pkgs ggl90,
363        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
364        This makes ptracers default diffusivity (that uses salt diffKr) more
365        consistent with vertical mixing schemes.
366    o verification/testreport:
367      - fix typo in "-pcls" option ;
368      - put temp files in /tmp (instead of in local dir)
369      - add option "-ncad" to use genmake2 new option "-nocat4ad"
370      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
371    o pkg/ggl90 (idemix code):
372      - apply few fixes ; add some missing "_d 0" ; update output of exp.
373        global_ocean.90x40x15.idemix
374    o OpenAD
375      - enable active file I/O and begin removal of work-around code
376        for OpenAD for handling control variables (memory vs. active files)
377      - new CPP options file OPENAD_OPTIONS.h
378      - revert to genarr2d gradient check for hs94.1x64x5
379      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
380      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
381    o tools/genmake2:
382      - add option for an alternative Makefile (from Martin) where multiple
383        source files are sent to TAF (instead of all in one file).
384    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
385      - code provided by Carsten Eden as an extension of ggl90
386      - so far the code is turned on within ggl90 by setting a CPP-flag at
387        compile time; a runtime flag implementation is not yet complete
388      - tested in new verification experiment global_ocean.90x40x15.idemix
389    o verification:
390      - reduce length of the AD test run by half for experiments
391        global_ocean.cs32x15 (std + thsice) and isomip
392      - enable active file I/O for OpenAD, adjust verifications accordingly
393      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
394    o verification/testreport:
395      - fix two non-POSIX sed statements so that there are no error messages
396        on Mac OS X
397      - replace hostname -s with hostname | sed 's/\..*$//'
398    o model/src/seawater.F:
399      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
400        (following the matlab code), which would have avoided the bug caught
401        by Matt (see below) in the first place
402    o pkg/shelfice:
403      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
404        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
405      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
406        ice-shelf case (i.e., within surface level).
407      - add config summary in shelfice_check.F
408      - remove global variable recip_SHELFICElatentHeat and replace by a local
409        variable recip_latentHeat
410      - introduce diagnostics for friction velocity uStar (in case of
411        SHELFICEuseGammaFrict)
412      - change verification experiment isomip.htd:
413        + start from pickup (as input_ad at nIter0=8640)
414        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
415        + test SHELFICEuseGammaFrict = .TRUE.
416        + test SHELFICEadvDiffHeatFlux = .TRUE.
417    o model/src:
418      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
419        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
420        update output of experiments global_with_exf.yearly and isomip (all 6).
421    o pkg/shelfice:
422      - change setting of kTopC to also be zero where there is no ice-shelf.
423      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
424        ice-shelf is.
425      - first attempt to get RealFreshWaterFlux effects: for now, only without
426        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
427    o pkg/seaice: add the option to prescribe a fixed thickness PDF
428      for thermodynamic calculations
429      - because of divisions of the type 7/7 not exactly equal to 1, this change
430        affects results of some verification experiments by up to 4 digits:
431        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
432        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
433        adjoint: lab_sea, lab_sea.noseaicedyn
434        -> updated
435    
436    checkpoint65i (2015/01/23)
437    o model/src:
438      - change units of frictionHeating field from W to W/m^2
439      - fix bug in frictional heating from stratospheric drag in
440        S/R ATM_PHYS_TENDENCY_APPLY_V
441      - with synchronous time-stepping: move resetting to zero of frictionHeating
442        field from load_fields_driver.F to thermodynamics.F ;
443      - add diagnostics for frictional heating.
444    o model/src & gmredi K3D:
445      - add frictionHeating field to pickup-files (for synchronous time-stepping)
446      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
447      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
448        and name in pickup file).
449      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
450    o model/src:
451      - move (from ini_forcing.F) initialisation of all arrays in header file
452        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
453        (since Nov 2012) with option selectAddFluid=1.
454    o pkg/shelfice:
455      - change units (+ document) of newly added field "shelfIceMassDynTendency"
456      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
457    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
458    o pkg/seaice: two new runtime parameters:
459      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
460        long overdue
461      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
462        parameterization of tensil stress for fast ice (does not do anything yet)
463    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
464        for LSR: move checking overlaps out of JFNK-if-block
465    o pkg/atm_phys:
466      - move copy of grid and dynamical fields out of atm_phys_driver.F into
467        new S/R ATM_PHYS_DYN2PHYS.
468      - fix level height for Linear Free-Surf case (to be consistent with
469        fixed-in-time pressure levels).
470    o pkg/mom_common (bottomdrag):
471      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
472        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
473        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
474    o pkg/shelfice (u/v_drag):
475      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
476      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
477        (now similar to shelfice_u_drag.F)
478      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
479        from mom_vecinv.F (similar to mom_fluxform calls).
480    o pkg/mom_common (bottomdrag):
481      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
482      - add options for alternative discretisation of velocity norm in quadratic
483        bottom drag: averaging of grid-cell-center KE to U.point and V.point
484        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
485        improves when averaging only the other component (e.g. vVel for U bottom
486        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
487      - add options (bottomVisc_pCell) to account for partial-cell in bottom
488        friction (no-slip BC) thus getting the true distance from the bottom;
489        off by default since this also reduces model stability (explicit bottom
490        friction). Changes produce different machine truncation with linear-drag
491        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
492        front_relax (bvp & mxl, 10 & 11 digits).
493    o model/src & mom pkgs:
494      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
495        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
496      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
497        just copy level Nr value to level Nr+1.
498    o doc:
499      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
500    o pkg/streamice:
501      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
502        SHELFICE.h: move array shelficemass to init_varia, initialise
503        from array shelficemassinit, which is set in init_fixed and
504        has option to be set from file; introduce array
505        shelficeMassDynTend array, set thru file in init_fixed
506      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
507        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
508        pkg/streamice
509      - shelfice_thermodynamics.F: call shelfice_step_icemass if
510        SHELFICEMassStepping = .true.
511      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
512    
513    checkpoint65h (2014/12/17)
514    o verification/global_ocean.90x40x15, global_ocean_ebm:
515      - update to generic controls.
516    o pkg/ctrl:
517      - ctrl_map_ini_genarr.F: test for igen>0
518      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
519      - move gentim2d part of ctrl_map_ini_genarr.F to
520        new separate routine : ctrl_map_ini_gentim2d.F
521      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
522        add time variable weights and cyclic controls (time mean,
523        seasonal cycle, etc) capabilities to gentim2d
524    o pkg/ecco:
525      - move reading of error, conversion to weights from
526        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
527    o global_oce_llc90, cs32:
528      - activte sbo.
529      - CTRL_SIZE.h : add maxCtrlProc.
530      - activate the new genctrl capabilities.
531      - update following reorganization of global_oce_input_fields.tar.gz  
532    o pkg/ctrl/ctrl_ad_diff.list:
533      - add missing ctrl_init_rec.f
534    o tools/OAD_support/keepOriginal:
535      - add ctrl_init_rec.F
536    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
537      - avoid recomputations of xx_gentim2d_dummy.
538    o momentum diagnostics:
539      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
540        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
541    o pkg/seaice/seaice_lsr.F:
542      - fix computation of BU/BV, make sure they are non-zero, only necessary
543        for cubed sphere exchanges and SEAICE_OLx/y>0.
544        This makes calling s/r fill_cs_corner_rl obsolete (removed).
545    o verification/global_ocean.cs32x15/input.seaice
546      - add test for strong implicit coupling and restricted addtive Schwarz
547        methods for LSR
548      - update results/output.seaice.txt
549    o verification/tutorial_global_oce_biogeo:
550      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
551        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
552        update output_adm,_oadm,_tlm.txt
553    o pkg/dic:
554      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
555      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
556        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
557    o verification/tutorial_global_oce_biogeo:
558      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
559        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
560        update output_adm,_oadm,_tlm.txt
561    o eesupp/src:
562      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
563        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
564    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
565      LSR (following Hutchings et al. 2004)
566      - introduce zetaZ as a global variable (requires adjustments in
567        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
568        in seaice_calc_viscosities.F
569      - new flag SEAICEuseStrImpCpl (default off)
570      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
571        momentum equations
572      - JFNK-solver (preconditioner) adjusted to allow using this method
573        (where it does not have any positive effect)
574    o pkg/seaice
575      - add overlap for restrictive additive Schwartz method also to LSR, but
576        turn it off by default (because it only seems to work for non-cubed
577        sphere/llc topologies)
578    o pkg/autodiff
579      - add extra exchanges in addummy_in_steppging also for mnc output
580    o pkg/seaice:
581      - add extra exchanges before dumping adjoint fields in seaice_ad_dump.F
582        to avoid stripes in the adjoint output (similar to addummy_in_stepping.F)
583    o pkg/obcs:
584      - add option to specify domain-connected piece Id along OB though files
585        (for now, only used to diagnose PhiVel; default =1 -> global correction)
586      - modify obcs_diag_balance.F to process each connected-part separately;
587        exclude OB where Id = 0 but keep the full divergence there (-> constant
588        Psi along this portion of OB and all inflow derived from grad(Phi))
589      - add example of OB-conect files in verification/so_box_biogeo/input.
590    o pkg/diagnostics:
591      - improve treatment of Open-Boundaries in Velocity-Potential calculation:
592      a) use non zero matrix element across OB and solve for Phi 1 grid point
593         outside OB (i.e, where tracer OBCS are applied).
594      b) global imbalance of inFlow/outFlow across OB: instead of modifying
595         velocity across OB, spread it uniformly along the OB in the RHS.
596    
597    checkpoint65g (2014/11/19)
598    o pkg/diagnostcis:
599      - add preconditioner off-diagonal factor (diagCG_pcOffDFac) as run-time param
600    o pkg/my82,pp81,kl10:
601      - fix ALLOW_3D_DIFFKR implementation (previously had no effect): use 3-D
602        field diffKr as background diffusivity to set minimum diffusivity value.
603    o pkg/seaice:
604      - add new parameter SEAICEuseEVPrev (for revisited EVP by
605        Bouillon et al 2013)
606      - add SEAICE_evpAlpha/Beta to namelist
607      - modify seaice_evp code to able to use SEAICEuseEVPrev. These changes
608        involve trivial re-ordering of divisions/multiplications that should not
609        have any effects, but ... they do change the results of lab_sea.hb87 so
610        that only 2 digits of agreement remain, in line with the general
611        instability/fragility of the evp-code. For now, I do not care and just
612        update the verification experiment
613    o pkg/ctrl : add generic pre-processing (xx_genarr2d_preproc etc)
614      - remove xx_genarr2d_numsmooth etc
615      - use xx_genarr2d_preproc etc instead
616      - carry out smooth_correl2D at initialization stage rather than during
617        time stepping.
618      - get smoothOpNb from xx_gentim2d_preproc
619    o global_oce_cs32 :
620      - add test of generic ecco capabilities.
621    o pkg/exf/exf_getsurfacefluxes.F :
622      - add to tmpUE/tmpVN rather than re-initializing them (conventional behavior).
623    o pkg/ctrl,ecco :
624      - omit un-necessary arguments to ctrl_cost_gen.F unless ECCO_CTRL_DEPRECATED
625        is defined.
626    o pkg/seaice: add diagnostics for Delta (deformation parameter)
627    o model/src:
628      - when ALLOW_3D_DIFFKR is defined, add a Warning if any of the vertical
629        diffusivity (background) is specified but ignored.
630    o verification:
631      - in testreport, convert hostname to lower case for default output dir name
632    o model, pkg : add useCTRL, useECCO parameters (on/off run time switch).
633    o pkg/dic: add modifications from Hajoon:
634      - add iron sedimentation flux function of the flux of PO4 out of bottom layer
635      - light attenuation: add self-shading effect by climatological Chlorophyll
636        (read from file).
637    o pkg/seaice/seaice_preconditioner.F : fix cpp flags, so that code also
638        compiles when SEAICE_ALLOW_DYNAMICS is undefined
639    o global_oce_llc90,cs32 : ecco_v4 verification exps now use separate
640        AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h, ECCO_OPTIONS.h rather than
641        ECCO_CPPOPTIONS.h (i.e. replacing the deprecated, circumvoluted,
642        approach where CPP_OPTIONS.h includes an omnipotent
643        ECCO_CPPOPTIONS.h that superseeds pkgs '_OPTIONS.h').
644    o pkg/ctrl/ctrl_map_ini_genarr.F : include GMREDI_OPTIONS.h where
645        ALLOW_3D_KAPGM, ALLOW_3D_KAPREDI (to be added later) belong.
646    o pkg/seaice/SEAICE_SIZE.h : replace ALLOW_AUTODIFF_TAMC with ALLOW_AUTODIFF
647        to avoid needing AUTODIFF_OPTIONS.h anytime SEAICE_SIZE.h is included
648        (it seems that THSICE_SIZE.h, PTRACERS_SIZE.h have the same issue...)
649    o model/src, pkg/smooth, profiles, salt_plume, seaice, exf, ecco, ctrl :
650      add ECCO_OPTIONS.h, AUTODIFF_OPTIONS.h, CTRL_OPTIONS.h when needed
651      - ECCO_OPTIONS.h is needed when including ecco_cost.h, ecco.h
652      - AUTODIFF_OPTIONS.h is needed when including tamc.h, tamc_keys.h
653      - CTRL_OPTIONS.h is needed when including ctrl.h, optim.h, etc
654    o pkg/ctrl,ecco,exf :
655    - remove variables associated with NON-generic costs,    - remove variables associated with NON-generic costs,
656      unless ECCO_CTRL_DEPRECATED is defined.      unless ECCO_CTRL_DEPRECATED is defined.
657    - remove NON-generic NON-obcs controls,    - remove NON-generic NON-obcs controls,
658      unless ECCO_CTRL_DEPRECATED is defined.      unless ECCO_CTRL_DEPRECATED is defined.
659  o pkg/ctrl : added ctrl_local_params.h  o pkg/ctrl : added ctrl_local_params.h
660  o pkg/ecco : added ecco_local_params.h  o pkg/ecco : added ecco_local_params.h
661  o verification : added ECCO_CTRL_DEPRECATED to most as and oad  o verification : added ECCO_CTRL_DEPRECATED to most as and oad
662    experiments, which will progressively be removed once the      experiments, which will progressively be removed once the
663    experiments are revised to use only generic controls/costs.      experiments are revised to use only generic controls/costs.
664    
665  checkpoint65f (2014/10/13)  checkpoint65f (2014/10/13)
666  o pkg/ctrl, ecco, seaice : minor changes in headers  o pkg/ctrl, ecco, seaice : minor changes in headers
667  o global_oce_llc90 :  o global_oce_llc90,cs32 : ecco_v4 verification exps now test generic
668    - ecco_v4 verification experiments now test generic cost      cost function and control capabilities added since checkpoint65c.
     function and control capabilities added since checkpoint65c.  
669  o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.  o pkg/ctrl: regroup all obcs ctrl variables in CTRL_OBCS.h.
670  o pkg/ecco: increase modularity and improve logic  o pkg/ecco: increase modularity and improve logic
671    - ecco_toolbox.F (new) : basic operations that are often used,    - ecco_toolbox.F (new) : basic operations that are often used,
# Line 379  o pkg/seaice: more clean up Line 1025  o pkg/seaice: more clean up
1025      nearly a factor of 10 (but keep in mind there is mostly seaice code in      nearly a factor of 10 (but keep in mind there is mostly seaice code in
1026      this experiment):      this experiment):
1027      > size mitgcmuv_ad      > size mitgcmuv_ad
1028      text    data        bss     dec        hex        text    data        bss     dec        hex
1029      5100659 1216  220458952  225560827  d71c8fb      5100659 1216  220458952  225560827  d71c8fb
1030      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)      5339425 1200 1868783272 1874123897 6fb4dc79 (SEAICE_LSR_ADJOINT_ITER)
1031      but only a moderate increase of 36% for global_ocean.cs32x15:      but only a moderate increase of 36% for global_ocean.cs32x15:
1032      text    data        bss     dec        hex      text    data        bss     dec        hex

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