[petsc-users] Recommended solver and preconditioner to solve Poisson eqn on win7

[Jed Brown]

On Fri, Sep 14, 2012 at 3:47 AM, TAY wee-beng <zonexo at gmail.com> wrote:

> Hi,
>
> I need to solve the Poisson eqn on my win7 machine. I'm currently using
> BCGS without preconditioner. I can't use HYPRE since I'm using Fortran and
> win7. It's rather slow.
>
> Is there a recommended solver and preconditioner to solve the Poisson eqn
> to get me started?
>

What discretization?

Run with -pc_type gamg to start.
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