Date: Wed, 21 Sep 2005 19:17:46 +0800 From: David Xu <davidxu@freebsd.org> To: kono@kth.se Cc: freebsd-amd64@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: Dual core AMD64 4400+ X2 works fine on Abit AV8 Message-ID: <4331415A.2060304@freebsd.org> In-Reply-To: <200509211147.17279.kono@kth.se> References: <200509211147.17279.kono@kth.se>
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Alexander Konovalenko wrote: >Recently I have upgraded my "old" AMD64 3000+ 1.8Ghz (running 5.4-STABLE >amd64) to dual core AMD64 4400+ X2 2.2Ghz. > > So far everything works fine, I have not measured performance yet, but >roughly one 4400+ core is 20% better than 3000+ from FFT-like floating point >computations (double precision). > I am used to run micromagnetic simulations (OOMMF), computationally intensive >tasks consuming about 100Mb memory in my case. There is no much performance >benefit in upgrade from 3000+ to 4400+, however 1Mb cache for each core, >comparing with 512K cache, is pretty noticeable, especially when I run 2 >tasks at the same time. > > The only problem of X2 is its price. :-( Fortunately, I have got a Dell dimension 9100 which is PentiumD based, after fighted it for a while, I have successfully installed -CURRENT on it, the culprit is USB keyboard. :) David Xu
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