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revision 1.1602 by mlosch, Thu Mar 1 23:58:43 2012 UTC revision 1.1619 by jmc, Wed Mar 14 03:51:49 2012 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o testreport
8     - add option to use a home made wrapper around "make"
9     - remove MITGCM_IEEE env. variable (no longer active)
10    o pkg/shelfice
11     - improve computation of friction velocity for velocity dependent
12       exchange coefficients: include velocities into SHELFICEBoundaryLayer
13       block to average velocities vertically
14     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
15    o Modify diagonal solvers, now three versions (upon request):
16      #ifndef SOLVE_DIAGONAL_AUTODIFF
17        1. default version (dating back a while ago)
18      #else /* def SOLVE_DIAGONAL_AUTODIFF */
19      # ifdef SOLVE_DIAGONAL_KINNER
20        2. adjoinable version with k-innermost loop (G. Forget)
21      # else
22        3. adjoinable vectorized version of 2.
23      # endif
24      #endif /* SOLVE_DIAGONAL_AUTODIFF */
25      All flags are currently set within routines, but could/should be moved to CPP-options.
26      Array bounds for 1. are as before, for 2.,3. cover the entire domain
27      (could be changed for 1. too).
28    o verification/lab_sea (fwd):
29      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
30        use 7 categories (except hb87), new solve4temp params (except salt_plume),
31        constant salinity (=4) or variable salinity (salt_plume) done through
32        SItracer.
33    o pkg/seaice:
34      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
35      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
36         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
37        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
38        SEAICE_freeze got retired) but already better than previously with
39        SEAICE_freeze=123456.7 deg.C;
40      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
41        (safer multi-threaded setting); always set SEAICEuseEVP;
42      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
43        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
44        stop if multiple specifications for the same coeff; make sure default
45        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
46    o pkg/obcs:
47      - allow to switch to upwind 1rst order advection scheme for the advective
48        flux computation at the open-boundary; disabled for adjoint built.
49    o pkg/ptracers:
50      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
51      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
52      - add parameter to decide when to start a tracer; use internal flag to
53        know which tracer to step-forward; switch this internal flag at the top
54        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
55        for adjoint built.
56    o pkg/seaice:
57      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
58      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
59      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
60    o pkg/ecco:
61      - fix writing of output file DiagnosCost_ClimSalt/Theta
62        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
63    o pkg/seaice:
64      - add missing initialisation of COR_ICE array in dynsolver.F
65      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
66        compiled either way, and is tested in all exps (multidim was only tested
67        in lab_sea ad before).
68      - cosmetic change to prepare for future addition of ITD. no change to results.
69        no defaults change.
70      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
71      - by lack of adequate verification experiments, I further used custom versions
72        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
73        should be correct.
74      - avoid recomputations in ad.
75    o array initialisation in adjoint mode:
76      1) pkg/mom_common/mom_calc_ke.F:
77        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
78        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
79        part this initialisation is gone, resulting in Floating Point Exception
80        (caught by open64 compiler with debug option).
81      2) model/src/convective_weights.F
82        set output convectCount over the full array range (instead of doing
83        an update): this fix a similar issue when called within recomputation (adjoint)
84        which could by-pass the initialisation (normally done in the caller S/R).
85    o pkg/seaice:
86      - final version of turbulent flux params, as agreed at MIT ice meet:
87           SEAICE_mcPheePiston (default is ~ 0.000875)
88           SEAICE_mcPheeTaper (default is 0.)
89           SEAICE_frazilFrac (defualt is 1.)
90           SEAICE_mcPheeStepFunc (default is false)
91      - changes results at trunction error level
92      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
93    o added pkg/frazil:
94      - see frazil_description.tex for details
95      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
96  o pkg/shelfice/shelfice_thermodynamics.F  o pkg/shelfice/shelfice_thermodynamics.F
97    - fix exponents for velocity dependent exchange coefficients: change    - fix exponents for velocity dependent exchange coefficients: change
98      from 2/3(=0) to 0.66666666666666667      from 2/3(=0) to 0.66666666666666667
99    - move computation of velocity dependent exchange coefficients into    - move computation of velocity dependent exchange coefficients into
100      separate loop, so that it applies to both thermodynamics      separate loop, so that it applies to both thermodynamics
101    - move some divisions by constants out of loops    - move some divisions by constants out of loops
102    
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