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revision 1.1802 by jmc, Sun Jan 6 20:36:27 2013 UTC revision 1.1822 by mlosch, Tue Feb 12 07:51:02 2013 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:
8      - fix a serious bug in seaice_fgmres.F, s/r seaice_scalprod, connected
9        to the scalarProductMetric and the unrolling. By chance this does not
10        change the verification experiment, because of the particular domain
11        decomposition
12    o pkg/diagnostics:
13      - change default missing_value from UNSET_RL to -999.
14    o pkg/layers: improve vectorization of layers_fluxcalc.F
15      - step 1: split loops, make TatU/V 2D arrays. This alone reduces the cpu
16        time spent in this routine by more than a factor of 3 on an NEC-SX8
17      - step 2: replace search algorithm by a bisection algorithm found in
18        Press et al. Numerical Recipes in Fortran. This algorithm can be
19        vectorized and finds the correct bin in approx. log2(Nlayers) steps.
20        For now, use this algorithm only for TARGET_NEC_SX defined.
21      - moved the search algorithm into a separate subroutine, that is kept
22        within the same file for automatic inlining.
23      - modified catching potential errors
24    o pkg/ecco:
25      - add compile switches ALLOW_SHALLOW_ALTIMETRY and ALLOW_HIGHLAT_ALTIMETRY.
26    o model/src, pkg/autodiff, pkg/ctrl, pkg/grdchk :
27      - modifications for ALLOW_GENTIM2D_CONTROL
28      -- forward_step.F, the_main_loop.F : pass options and arrays for adjoint tapes.
29      -- load_fields_driver.F : add call to CTRL_MAP_GENTIM2D( myTime, myIter, myThid )
30      -- add xx_gentim2d0/1 in ctrl_ad_check_lev1_dir.h checkpoint_lev1_directives.h etc
31      -- use ctrl_swapffields.F (new) instead of exf_SwapFFields.F in ctrl_get_gen.F
32    o model/src:
33      - account for moist thermodynamics in (dry) potential temperature equation;
34        update results of experiments: aim.5l_cs (x2), fizhi-cs (std + aqualev)
35        and cpl_aim+ocn.
36      - also switch to standard compiler (gfortran, was using ifort previously)
37        for fizhi-cs experiments reference output.
38    o pkg/ctrl:
39      - 1st step toward generic time-varying control variable (2D) via CPP option
40        ALLOW_GENTIM2D_CONTROL
41      - note new namelist ctrl_nml_genarr in data.ctrl
42    o verification/global_ocean.cs32x15:
43      - switch off OLD_THSICE_CALL_SEQUENCE (both forward and AD code) to use new
44        thsice calling sequence and update "output.icedyn.txt" output file.
45    o pkg/ptracers:
46      - from Ryan A.: code to allow to restart a tracer at regular time interval
47        specifying a reset frequency and a reset-phase (for each tracers).
48    o pkg/thsice:
49      - implement new sequence of calls for thsice+seaice:
50          previously:   ice-Dyn,ice-Advect,ice-Thermo(thsice)
51          new sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect
52      - allows (with temporary CPP option "#define OLD_THSICE_CALL_SEQUENCE"
53        in CPP_OPTIONS.h) to recover old sequence;
54      - update diagnostics for Intermediate State thsice diagnostics: now filled
55        just before advection (instead of just after advection in old sequence);
56      - update output of experiment offline_exf_seaice (standard test);
57      - in global_ocean.cs32x15 exp., postpone output.icedyn.txt update
58        by setting #define OLD_THSICE_CALL_SEQUENCE in CPP_OPTIONS.h
59    o pkg/aim_v23:
60      - use tiled array for aim_CO2 and surface wind speed for export to coupler;
61      - use standard pkg/mdsio routines to read & write CO2 pickup file;
62      - in-line S/R AIM_AIM2DYN_EXCHANGES in aim_do_physics.F;
63      - Implement new sequence of calls for seaice advection (with thsice and
64        seaice diffusion): do ice advection after ice-Thermodynamic (previously
65        was done before); change aim_do_physics.F (split the bi,bj loops block);
66      - use same CPP option (OLD_THSICE_CALL_SEQUENCE) to recover old sequence;
67    o pkg/thsice:
68      - add a missing EXCH of sIceLoad in thsice_main.F (ocean set-up) for the case
69        where just seaice diffusion is used without seaice-dynamics.
70    
71    checkpoint64c (2013/01/18)
72    o pkg/seaice:
73      - add a parameter JFNKres_tFac that can replace JFNKres_t
74        (= JFNKres_tFac*JFNKresidual before JFNK solver)
75      - add a line search option to the JFNK solver
76      - move update of u/vIce and computation of initial residual into a separate
77        routine (same file); makes the code a little easier to read (?)
78      - the line search requires computation of the residual and for some reason
79        I cannot do the update of u/vIce at the beginning of the Newton loop
80        without changing the results, so we move computation of the new residual
81        also to the end of the Newton loop, even without the line search
82    o pkg/mdsio:
83      - write missing value (corresponding to undefined array value) to meta files;
84        skip this if missing value is one (UNSET_RL would be a better value for the
85        case of undefined missing value but it's current the default missing-value);
86        Also update mdsio_read_meta.F (reading timeInterval & missing-value).
87    o pkg/exf & thsice:
88      - for diagnostics purpose, fill-up and update Qsw array (+ fill the
89        diagnostics) even when SHORTWAVE_HEATING is #undef;
90    o verification/cfc_example:
91      - turn on pkg/layers with pkg/diagnostics (to test pkg/layers and to
92        illustrate how to use it).
93    o verification/offline_exf_seaice:
94      in input: add SEAICErestoreUnderIce=.TRUE., and reduce size of forcing
95        files to only one time-record.
96      in input.thermo: narrow the 2 bands of low initial ice-concentration near
97        N & S edges; switch on SEAICErestoreUnderIce=T; use pkg/diagnostics for
98        snapshot output; same mcPheePiston value as in thsice with
99        surf-current=0.2m/s.
100      in input.thsice: similar set-up as in input.thermo (channel with same seaice
101        initial conditions).
102    o verification/cfc_example:
103      - update file "data" with more standard choice (default rotationPeriod,
104        exactConserv=T, reduce ivdc_kappa to 10, remove multiDimAdvection=F,
105        set deltaTFreeSurf to deltaTtracer) and update the output.
106    o pkg/layers:
107      - fix bolus part so that it compiles with #undef GM_BOLUS_ADVEC;
108      - ensure that "layers_bolus" is switched to False when useGMRedi=False.
109    o verification/offline_exf_seaice:
110      - set all {field}period to zero for constant-in-time forcing (not tested
111        anywhere else).
112  o verification/offline_exf_seaice:  o verification/offline_exf_seaice:
113    - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;    - dyn_lsr  : use pkg/seaice S/R (instead of pkg/thsice) to advect sea-ice;
114    - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.    - dyn_jfnk : use pkg/thsice S/R (instead of pkg/seaice) to advect sea-ice.
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