On Fri, Dec 23, 2011 at 13:37, Mark F. Adams <mark.adams at columbia.edu>wrote:
> Also, my algorithm exploits static partitions where you know who is > processing your ghost nodes (so you can avoid stepping on each other). > This might not be available. Coloring looks OK for 7 point stencils but > the number of colors gets very large at higher order. You need about 13 > colors for a 3D hex mesh (not very high order at all). But inside the > compute node there are sets of vertices that need processing and you can do > whatever you want on these sets, so if you need to color then so be it. > I think the number of colors is pretty much hopeless if you use a stable Stokes element like Q2-P1disc. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20111223/411ac501/attachment.html>
