On Sun, May 15, 2011 at 18:41, Barry Smith <bsmith at mcs.anl.gov> wrote:
> This may help a bit but I'm not sure how dramatically. What we could really > use is a point block ILU for AIJ matrices with inodes. That is each inode > set of rows is eliminated simultaneously (by factoring the little diagonal > block associated with that inode). But, pivoting aside, what is the difference between point and point-block ILU when there is no discarded fill within the block? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110515/1bffe789/attachment.htm>
