Date: Fri, 27 Jan 2006 19:40:06 +0100 From: Daniel Rock <freebsd@deadcafe.de> To: kono@kth.se Cc: mumag@nist.gov, freebsd-amd64@freebsd.org Subject: Re: dual vs single core opteron 100's Message-ID: <43DA6906.9030508@deadcafe.de> In-Reply-To: <200601270957.44032.kono@kth.se> References: <200601270957.44032.kono@kth.se>
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Alexander Konovalenko schrieb: > I have upgraded my AMD64 Athlon 3000+ to dual core X2 4400+. Now I can run > two oommf tasks at the same time, and performance (I measure total execution > time of the task) is around 186% comparing with 100% when only one task is > running. This 7% degrade in performance per task is probably due to > concurrent data transferring CPU<->RAM. I am very satisfied with X2 but just > wonder if dual core Opteron gives better performance? Does anybody run OOMMF > on Opteron? Besides the different CPUID, Athlon64 X2 (with 2x1MB Cache) and Dual-Core Opteron 1xx are exactly the same. Daniel
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