On Tue, Jun 7, 2011 at 21:07, Philip, Bobby <philipb at ornl.gov> wrote:
> Every apply call from KSP does need to initialize data over the whole > hierarchy that is consistent across the levels. > Why not encapsulate this whole operation into a scatter of some sort? I'm having a hard time visualizing this operation being a large cost compared to other operations like physics/smoother for fundamental reasons. Of course the current interfaces could make it expensive and I understand not prioritizing low-level changes when the current solution works. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20110607/92ff563e/attachment.html>