[Beowulf] multi-threading vs. MPI
lindahl at pbm.com
Mon Dec 10 19:46:31 EST 2007
On Sat, Dec 08, 2007 at 06:50:29PM -0300, Jones de Andrade wrote:
> Could someone clarify a bit better *why* would openMP be such a bad
> performer in comparison to MPI?
MPI always gets locality right.
I learned this lesson on the BBN Butterfly in the early 90s, it's
funny that it's still true.
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
More information about the Beowulf