ILU for MatAIJ

[Jed Brown]

On Thu 2008-11-13 12:22, Tim Kroeger wrote:
> I wonder what that means because the AIJ matrix type should be able to  
> do ILU preconditioning, shouldn't it?  In other words: If not, which  
> matrix type will then be able to do that?

ILU has very poor parallel scaling and is not implemented in PETSc.
With only four processors, it may still be a reasonable choice and
Euclid from Hypre (--download-hypre) is probably the best parallel
implementation.

  -pc_type hypre -pc_hypre_type euclid

Jed
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: not available
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20081113/c5edf624/attachment.pgp>