[Beowulf] Register article on Opteron - disagree
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Greg Lindahl lindahl at pathscale.comMon Nov 22 16:06:40 PST 2004
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On Mon, Nov 22, 2004 at 10:17:55AM -0500, Sean Dilda wrote: > On Mon, 2004-11-22 at 00:57, Joe Landman wrote: > > If a Nocona follow-on follows the design of the Opteron (IOMMU > > and HT, among other things), then things could get quite interesting. > > > > I can't imagine why Intel would drop a feature (HT) to match Opteron. AMD has Hyper Transport, Intel has Hyper Threading. The first gets you better memory and I/O bandwidth, the second is the thing you turn off in the BIOS to keep it from screwing up your MPI runs. -- greg
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