So if host the "new and improved" PETSc on a mult--proc/multi-core Linux workstation (or in my case, a mult--proc/multi-core Windows workstation running Cygwin), not configured as a cluster, I would be using pthreads and not MPI?
---John On Sun, Jul 10, 2011 at 12:45, John Chludzinski <jchludzinski at gmail.com>wrote: > You mentioned: "pthread based Vec and Mat class that lives inside the PETSc > MPI world". Is this pthreads *in lieu of* MPI or is it pthreads *in > addition to* MPI? > The latter. Pthreads within a NUMA node or shared memory node, MPI between nodes. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20110710/9c8248aa/attachment.htm>
