On May 22, 2012, at 8:14 PM, Dmitry Karpeev wrote: > It sounds like you need to write a new PC implementation, possibly reusing > pieces of PCASM.
Thanks! But then it will be too much work, I think, and what I tried to avoid. > Then you have control of what is being set up and when. Otherwise you are > essentially hacking > PCASM and using its internal subsolvers, which are only available after > PCSetUp(). Yes. Maybe I should follow your advice. Thanks again! > PCCOMPOSITE doesn't look like the right framework for this. > > Dmitry. > > On Tue, May 22, 2012 at 5:23 AM, Hui Zhang <mike.hui.zhang at hotmail.com> > wrote: > Hi, > > I have got a new question. I'm now constructing a PCComposite from PCASM and > another PCKSP (coarse > problem). And construction of PCKSP needs to use the subksp's of PCASM. So I > need to PCSetUp on the > PCASM, right? But the KSP using PCComposite would setup PCASM again. How > can I avoid twice setup > of PCASM ? > > Thanks, > Hui > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120522/569d86f9/attachment-0001.html>
