[petsc-dev] PETSc BILU in parallel

Jed Brown jed at jedbrown.org
Fri Dec 9 11:09:39 CST 2016

Paolo Orsini <paolo.orsini at gmail.com> writes:

> Thanks for this Jed,
> Any other alternatives you are aware of, for a parallel BILU(0) pre in
> PETSc?

Not that I'm aware of, but there is no magic in blocks (it's purely
implementation efficiency; if those entries are allocated in the matrix
then scalar ILU is equivalent) so long as there aren't zero pivots.
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