[petsc-users] ILU in parallel

Matthew Knepley knepley at gmail.com
Fri Dec 9 09:58:51 CST 2011


On Fri, Dec 9, 2011 at 9:44 AM, Alexander Grayver
<agrayver at gfz-potsdam.de>wrote:

> Hello,
>
> Sorry for dummy question, but what are options for parallel ILU in petsc?
> Which packages are best for big sparse matrices (>= 10^6)?
> Where do I start from?
>

http://www.mcs.anl.gov/petsc/petsc-dev/docs/linearsolvertable.html

I generally recommend against parallel ILU, but Hypre has it.

   Matt

Regards,
> Alexander
>



-- 
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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