[petsc-users] Boomeramg as a solver

[Matthew Knepley]

2010/11/1 jibum kim <jzk164 at psu.edu>

>  Hello,
>
> I've used  Boomeramg as a preconditioner.
>
> Now, I am wondering whether I can use Boomeramg as a solver ? and is it
> possible that I use Boomeramg as both a preconditioner and a solver?
>
> I saw one slide saying that I can use KSPSetType(ksp, KSPRICHARDSON);
>
> But when I try it and use -ksp_view, it shows that my solver is Richardson
> not  Boomeramg.
>
> Could u clarify this issue ?
>

Use -ksp_type richardson -pc_type hypre -pc_hypre_type boomeramg

   Matt


>
> Thank you.
>
> - Jibum
>



-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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