On Mon, Oct 22, 2007 at 07:49:55PM +0100, John Hearns wrote: > At least on the interconnect side of things, VMs may not be a big > performance drain. There is an IBM paper which measures Infiniband > performance in native and Xen machines, and finds a few percentage loss > in performance.
Yeah, now imagine if you were using an interconnect with a high message rate, instead of 2-generation-old InfiniBand. It probably does fine for I/O. But for MPI? -- greg _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
