[petsc-users] Block ILU with AIJ matrix?

[Jed Brown]

On Sun, Oct 30, 2011 at 23:50, Gong Ding <gdiso at ustc.edu> wrote:

> I had also considered use max block size. But it is not efficient here.
> Hope petsc support nonuniform block size one day.
>

Inodes do a sort of partial blocking. There has to a clear performance
benefit to explicit variable blocking in order to justify the
implementation and interface complexity. I have not yet seen a
demonstration of this.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20111031/0b83e5dc/attachment.htm>