On Fri, Sep 26, 2008 at 09:00:59AM +0100, Peter Robinson wrote: > > All multi-processor x86_64 machines are NUMA. I'm unclear how this > > applies to multi-core (in one chip) though. Do the cores have > > independent DDR controllers? > I thought numa is a series of computers connected together via a fast > interconnect such as Infiband where they can access each others memory > but accessing local memory is faster than non-local memory. Hence Non > Uniform Memory Access. > http://en.wikipedia.org/wiki/Non-Uniform_Memory_Access That article could use some updating. Modern multi-cpu systems basically use that same model internal to the system. -- Matthew Miller <mattdm@xxxxxxxxxx> Senior Systems Architect Cyberinfrastructure Labs Computing & Information Technology Harvard School of Engineering & Applied Sciences -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list