<div class="gmail_quote">On Sun, Jul 10, 2011 at 12:45, John Chludzinski <span dir="ltr"><<a href="mailto:jchludzinski@gmail.com">jchludzinski@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div>You mentioned: "pthread based Vec and Mat class that lives inside the PETSc MPI world". Is this pthreads <strong><em>in lieu of</em></strong> MPI or is it pthreads <strong><em>in addition to</em></strong> MPI?</div>
</blockquote></div><br><div>The latter. Pthreads within a NUMA node or shared memory node, MPI between nodes.</div>