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revision 1.1780 by mlosch, Wed Dec 12 22:45:01 2012 UTC revision 1.1781 by jmc, Sun Dec 16 19:16:12 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 model/src + pkg/seaice:
8      - add global (multi-tile) linear solver for pair of tri-diagonal system
9        along X and Y lines, respectively for U and V component.
10        Note: 1) MPI and cube-exchange not yet coded.
11            2) probably not accurate for poorly conditioned / large size problem.
12      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
13        default: not compiled and not used.
14  o pkg/seaice:  o pkg/seaice:
15    - first attempt at a multi-threaded fgmres solver for the JFNK solver:    - first attempt at a multi-threaded fgmres solver for the JFNK solver:
16      introduce bi/bj loops and use global_sum_tile_rl instead of      introduce bi/bj loops and use global_sum_tile_rl instead of
17      mpi_allreduce in seaice_fgmres.F      mpi_allreduce in seaice_fgmres.F
18    - improve diagnostics output for fgmres solver (seaice_fgmres.F)    - improve diagnostics output for fgmres solver (seaice_fgmres.F)
19    - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)    - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
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