Linux Scalability in a NUMA World
Sep 15, 2008, 19:02 (0 Talkback[s])
(Other stories by Tony Luck)
"In certain memory bound benchmarks, NUMA systems perform better
than SMP systems because the available aggregate memory bandwidth
actually increases as more nodes are added to the system. This is
because processors can access local memory in parallel, with no
contention for a common bus."