On Wed, Jul 8, 2009 at 12:30 PM, erik quanstrom<quans...@coraid.com> wrote: >> But don't underestimate the value of the interesting ideas in the >> linux kernel that get the performance, e.g. RCU. I don't think there >> are any OSes that have scaled to 4096 CPUs at this point besides >> Linux. > > i thought that massively parallel harvard-arch machines had > generally fallen out of favor in favor of blue gene-style hardware. > > is this incorrect?
The two fastest machines in the world right now are arguably opteron clusters. Well, one is opteron+cell, the other is a cray xt4, but hey ... the basic software running on them is straight linux cluster-style software. ron
