Date: Tue, 29 Nov 2005 10:58:53 -0800 From: "Kevin Oberman" <oberman@es.net> To: Claus Guttesen <kometen@gmail.com> Cc: freebsd-stable@freebsd.org, Dan Charrois <dan@syz.com> Subject: Re: FreeBSD unstable on Dell 1750 using SMP? Message-ID: <20051129185853.05A765D04@ptavv.es.net> In-Reply-To: Your message of "Tue, 29 Nov 2005 16:46:48 %2B0100." <b41c75520511290746i7935eb9fw@mail.gmail.com>
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As far as I can tell, hyperthreading is not much of a win for anyone. See hte article at: http://news.zdnet.co.uk/0,39020330,39237341,00.htmhttp://news.zdnet .co.uk/0,39020330,39237341,00.htm It reports that HTT slows performance even on threaded and, theoretically HTT ideal apps. (And this was with Windows.) -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634
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