> > > I'll check if we can avoid this non-scalable approach. > Thanks, > Meanwhile, can you try option '-matrap false' to use P^T*A*P? > >> >> Treb can try this. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20170202/7c36af1a/attachment.html>