[petsc-users] Controlling ML

Jed Brown jedbrown at mcs.anl.gov
Fri Jul 8 13:39:58 CDT 2011


There are not setters fo every PCML option. Regardless, you should set a
different prefix for each solver, then you can control them independently.
On Jul 8, 2011 1:31 PM, "John Fettig" <john.fettig at gmail.com> wrote:
> Is there any way to control ML other than the options database? For
> example, I want to set -pc_ml_maxNlevels 3, but there seems to be no
> way to do it other than
>
> a) the command line or
> b) PetscOptionsSetValue("-pc_ml_maxNlevels","3");
>
> This doesn't make it easy if you want to have more than one PCML.
>
> John
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