[petsc-users] using preconditioner with SLEPc

[Lawrence Mitchell]

> On 9 Mar 2021, at 14:17, Jose E. Roman <jroman at dsic.upv.es> wrote:
> 
> When I added this, I changed it to default to gmres+bjacobi when EPSSetPreconditionerMat() is called, but for some reason in your case it is not doing it. If it's Firedrake who is setting preonly+lu I would say it is not necessary (that is the default).

I don't think we do any setting of SLEPc object options (we do for KSP, but we don't wrap up SLEPc objects at all).

Lawrence