[petsc-dev] TS not counting linear iterations properly?

Emil Constantinescu emconsta at mcs.anl.gov
Wed Dec 3 20:11:42 CST 2014


On 12/3/14 11:21 AM, Barry Smith wrote:
>
>    Jed and Emil,
>
>    type: arkimex
>    total number of nonlinear solver iterations=1522
>    total number of nonlinear solve failures=158
>    total number of linear solver iterations=4871
>    total number of rejected steps=158
>
> KSPGMRESOrthog   1601671 1.0 9.8384e+03 1.1 6.96e+12 1.1 0.0e+00 0.0e+00
> 1.6e+06  8  9  0  0 14   8  9  0  0 14  2777
> KSPSetUp            6721 1.0 2.0089e-02 1.6 0.00e+00 0.0 0.0e+00 0.0e+00
> 2.0e+01  0  0  0  0  0   0  0  0  0  0     0
> KSPSolve            1680 1.0 1.1547e+05 1.0 7.63e+13 1.1 8.6e+07 3.5e+02
> 1.1e+07 99100100 96100  99100100 96100  2593
> PCSetUp             5040 1.0 5.0914e+02 1.0 1.01e+09 1.0 8.0e+01 2.8e+04
> 1.4e+04  0  0  0  0  0   0  0  0  0  0     8
> PCApply          1584871 1.0 9.0297e+04 1.0 5.83e+13 1.1 7.6e+07 3.8e+02
> 8.0e+06 77 76 89 93 71  77 76 89 93 71  2535
>
>     Seems to be missing counting some of the linear solves.
>
>     What's up with this?

What are the counts if you run with -ts_dt 1e-12 -ts_max_snes_failures 0 
-ts_max_steps 1 ?

Emil

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