[petsc-users] How to use multigrid?

Jed Brown jedbrown at mcs.anl.gov
Fri Nov 9 12:23:31 CST 2012

On Fri, Nov 9, 2012 at 12:13 PM, A.L. Siahaan <als88 at cam.ac.uk> wrote:

> When you mentioned that ML is implemented in a more "native" way than
> Hypre, did you mean that PCML is not exactly a PETSc's interface to the
> Trilinos ML ?

ML exposes the mulitgrid hierarchy, allowing great smoother and coarse grid
flexibility, monitoring, and even composition with other systems. In
contrast, BoomerAMG is a "black box" so only those methods they
specifically support are available.
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