[Beowulf] Opinions of Hyper-threading?
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Jon Forrest jlforrest at berkeley.eduWed Feb 13 09:58:09 PST 2008
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I inherited a cluster containing a bunch of Xeon-based compute nodes. The compute nodes were configured with hyper-threading turned on. I'm wondering what you HPC cluster people think of hyper-threading. I haven't heard much about it recently since most modern processors are true multi-core. The main thing I'd like to know is whether hyper-threading can do any harm when cpu bound jobs are run. Cordially, -- Jon Forrest Research Computing Support College of Chemistry 173 Tan Hall University of California Berkeley Berkeley, CA 94720-1460 510-643-1032 jlforrest at berkeley.edu
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