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revision 1.1605 by dimitri, Sat Mar 3 16:04:38 2012 UTC revision 1.1642 by jmc, Tue Apr 3 02:41:22 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 pkg/seaice :  o model/src:
8      - start to implement clean wait to stop in initialization S/R (config_check.F,
9         packages_check.F and pkg/obcs/obcs_check.F + pkg/mypackage)
10    o folowing PRINT_MESSAGE changes:
11      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
12    o pkg/bbl:
13      - modification so it can work with z*
14      - replace deltaT with dTtracerLev(k) for asynchronous time stepping
15      - global_with_exf/input.yearly verification; changes output.yearly.txt
16    o eesupp/src:
17      - PRINT_MESSAGE: use OpenMP critical instruction (similar to PRINT_ERROR);
18        writing to unit 0 (if unit=errorMessageUnit) extended to the case myThid=1
19      - CHECK_THREADS: specific code if using OpenMP threading: improve checking of
20        # of threads across processors (e.g., different env OMP_NUM_THREADS setting)
21      - improve special preliminary call to EESET_PARMS (if eedata is read 2 times).
22      - when using MPI, always set usingMPI=T ; set default accordingly and stop
23        if not consistent.
24      - ALL_PROC_DIE: add a BARRIER after MPI_FINALIZE call ; skip this when thread
25        argument is zero (in case called within single-thread section).
26    o pkg/fizhi:
27        clean-up turbulence cold-start switch: decided in fizhi_init_vars.F, stored
28        in common bloc (fizhi_coms.h) and then passed as argument up to S/R TURBIO.
29    o pkg/exch2:
30      - add argument "updateCorners" to S/R exch2_get_uv_bounds (enable to
31        activate EXCH_IGNORE_CORNERS in vector EXCH S/R).
32      - switch 1rst EXCH call to IGNORE_CORNERS (instead of UPDATE_CORNERS)
33        but keep the 2nd with UPDATE_CORNERS: this prevents overwriting good data
34        with bad ones coming from a not-yet-updated halo.
35        This should fix the problem when sNx <> sNy and GCD(sNx,sNy) < 2*Olx.
36    o pkg/frazil:
37        move FrzForcT diag from frazil_diagnostics_state.F to frazil_calc_rhs.F
38        http://mitgcm.org/pipermail/mitgcm-devel/2012-March/005384.html
39    o model/src/config_check.F: add a check for OLx>sNx/OLy>sNy
40    o verification/lab_sea
41      * #undef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING
42      * #define ALLOW_SST_CONTROL & ALLOW_SST_CONTROL
43      * nTimeSteps 3 -> 4
44      * changed reference output accordingly
45    o pkg/ctrl:
46      * fix ctrl_get_gen for xx_sst, xx_sss
47    o pkg/fizhi:
48      - fix 2 calls to S/R GRD2MSC (argument igrd) in update_earth_exports.F
49        update results of exp. fizhi-cs-32x32x40 (fail with only 6 digits for cg2d)
50      - by default, use new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE);
51        fix few out-of-bounds indices in referencing vars (initialise igrd to 1);
52        clean-up fizhi_turb.F (remove unused & uninitialised qdiaglsm array).
53    o pkg/gmredi:
54      - add diagnostic of Redi (main diagnonal) vertical diffusive flux of Temp
55    o pkg/fizhi:
56      - fix few initialisation and multi-tile Pb: aqualev & gridalt now pass the
57        (old)aces open64 tuv test.
58    o pkg/icefront: fix bug and reorder loop in icefront_init_varia.F
59    o pkg/mom_vecinv:
60      - fix 1 loop range in mom_vecinv.F to be like all the other loops which
61        set/update gu,gv/Diss (fix Pb of uninitialised fVerUkp in admom_vecinv
62        with non-lin free-surf).
63    o model/src: move k-loop outside of i/j-loops when (re-)computing R_low
64      in ini/update_masks_etc.F in order to avoid -O3 optimization problems with
65      some compilers (gfortran 4.6.0 on MacOS)
66    o momentum:
67      - separate fVer?(:,:,kUp) & fVer?(:,:,kDown) in argument list of MOM_FLUXFORM
68        & MOM_VECINV subroutines (to help TAF). This fixes Pb of uninitialised
69        fVer?(kUp) in admom_fluxform with non-lin free-surf or bottom control.
70    
71    checkpoint63k (2012/03/17)
72    o model/src:
73       - selectAddFluid (ALLOW_ADDFLUID): add missing term in horizontal momentum
74         flux-form (mom_fluxform.F) and vertical momentum (calc_gw.F) equations.
75       - SOLVE_DIAGONAL: switch default to use adjoinable & vectorized version
76         (#undef SOLVE_DIAGONAL_LOWMEMORY); update output of exp. front_relax.bvp.
77    o model/src: solve_*diagonal.F
78       - replace division with multiplication by inverse (similar to original version)
79         update output of AD exp. global_ocean.90x40x15.
80       - fix pkg/gmredi/gmredi_calc_psi_bvp.F & pkg/ggl90/ggl90_calc.F
81         to enable the use of the vectorized & differentiable solve_tridiagonal.F
82       - test exp. global_ocean.90x40x15/input_ad: switch to advection scheme 20 for
83         vertical advection (to get solve_tridiagonal tested in AD mode).
84    o pkg/seaice: ECCO-CLIVAR merge:
85      1. seaice AREA relaxation
86         * CPP option: SEAICE_ALLOW_AREA_RELAXATION
87         * runtime flag: SEAICE_tauAreaObsRelax
88      2. modified global mean cost imbalance code: CPP option
89          ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION
90    o another iteration on solve_*diagonal.F
91       Make choices independent of AUTODIFF
92       Default will be the adjoinable vectorized version.
93       Alternative choices are:
94       * non-adjoinable original version with low memory footprint:
95         #define SOLVE_DIAGONAL_LOWMEMORY
96       * still adjoinable but does not vectorize (k as inner-most loop):
97         #define SOLVE_DIAGONAL_KINNER (keeping SOLVE_DIAGONAL_LOWMEMORY undef)
98    o testreport
99     - add option to use a home made wrapper around "make"
100     - remove MITGCM_IEEE env. variable (no longer active)
101    o pkg/shelfice
102     - improve computation of friction velocity for velocity dependent
103       exchange coefficients: include velocities into SHELFICEBoundaryLayer
104       block to average velocities vertically
105     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
106    o Modify diagonal solvers, now three versions (upon request):
107      #ifndef SOLVE_DIAGONAL_AUTODIFF
108        1. default version (dating back a while ago)
109      #else /* def SOLVE_DIAGONAL_AUTODIFF */
110      # ifdef SOLVE_DIAGONAL_KINNER
111        2. adjoinable version with k-innermost loop (G. Forget)
112      # else
113        3. adjoinable vectorized version of 2.
114      # endif
115      #endif /* SOLVE_DIAGONAL_AUTODIFF */
116      All flags are currently set within routines, but could/should be moved to CPP-options.
117      Array bounds for 1. are as before, for 2.,3. cover the entire domain
118      (could be changed for 1. too).
119    o verification/lab_sea (fwd):
120      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
121        use 7 categories (except hb87), new solve4temp params (except salt_plume),
122        constant salinity (=4) or variable salinity (salt_plume) done through
123        SItracer.
124    o pkg/seaice:
125      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
126      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
127         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
128        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
129        SEAICE_freeze got retired) but already better than previously with
130        SEAICE_freeze=123456.7 deg.C;
131      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
132        (safer multi-threaded setting); always set SEAICEuseEVP;
133      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
134        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
135        stop if multiple specifications for the same coeff; make sure default
136        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
137    o pkg/obcs:
138      - allow to switch to upwind 1rst order advection scheme for the advective
139        flux computation at the open-boundary; disabled for adjoint built.
140    o pkg/ptracers:
141      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
142      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
143      - add parameter to decide when to start a tracer; use internal flag to
144        know which tracer to step-forward; switch this internal flag at the top
145        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
146        for adjoint built.
147    o pkg/seaice:
148      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
149      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
150      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
151    o pkg/ecco:
152      - fix writing of output file DiagnosCost_ClimSalt/Theta
153        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
154    o pkg/seaice:
155      - add missing initialisation of COR_ICE array in dynsolver.F
156      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
157        compiled either way, and is tested in all exps (multidim was only tested
158        in lab_sea ad before).
159      - cosmetic change to prepare for future addition of ITD. no change to results.
160        no defaults change.
161      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
162      - by lack of adequate verification experiments, I further used custom versions
163        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
164        should be correct.
165      - avoid recomputations in ad.
166    o array initialisation in adjoint mode:
167      1) pkg/mom_common/mom_calc_ke.F:
168        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
169        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
170        part this initialisation is gone, resulting in Floating Point Exception
171        (caught by open64 compiler with debug option).
172      2) model/src/convective_weights.F
173        set output convectCount over the full array range (instead of doing
174        an update): this fix a similar issue when called within recomputation (adjoint)
175        which could by-pass the initialisation (normally done in the caller S/R).
176    o pkg/seaice:
177    - final version of turbulent flux params, as agreed at MIT ice meet:    - final version of turbulent flux params, as agreed at MIT ice meet:
178         SEAICE_mcPheePiston (default is ~ 0.000875)         SEAICE_mcPheePiston (default is ~ 0.000875)
179         SEAICE_mcPheeTaper (default is 0.)         SEAICE_mcPheeTaper (default is 0.)
# Line 12  o pkg/seaice : Line 181  o pkg/seaice :
181         SEAICE_mcPheeStepFunc (default is false)         SEAICE_mcPheeStepFunc (default is false)
182    - changes results at trunction error level    - changes results at trunction error level
183    - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo    - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
184  o added pkg/frazil - see frazil_description.tex for details  o added pkg/frazil:
185      - see frazil_description.tex for details
186      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
187  o pkg/shelfice/shelfice_thermodynamics.F  o pkg/shelfice/shelfice_thermodynamics.F
188    - fix exponents for velocity dependent exchange coefficients: change    - fix exponents for velocity dependent exchange coefficients: change
189      from 2/3(=0) to 0.66666666666666667      from 2/3(=0) to 0.66666666666666667
190    - move computation of velocity dependent exchange coefficients into    - move computation of velocity dependent exchange coefficients into
191      separate loop, so that it applies to both thermodynamics      separate loop, so that it applies to both thermodynamics
192    - move some divisions by constants out of loops    - move some divisions by constants out of loops
193    
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