[petsc-users] How to use PETSc preconditioners in SLEPc?

[Jose E. Roman]

El 21/05/2013, a las 18:17, Heikki Virtanen escribió:

> Hi, I try to solve eigenvalue problem using EPS object 
> and Krylov-Schur solver. Everything goes well and I 
> can solve the problems that I want. 
> 
> Anyway, I want to use other preconditioners than the 
> default preconditioner. It is a little bit unclear for
> me how to do this. For example, I have installed
> PETSc with Hypre. How can use BoomerAMG preconditioner
> instead of ILU? ( SLEPc chooses this by default ) 
> 
> -Heikki

Have a look at section 3.4.1 of SLEPc's users guide. For instance, you can try something like this:

$ ./program -st_ksp_type bcgs -st_pc_type hypre -st_pc_hypre_type boomeramg

Jose