From mboxrd@z Thu Jan 1 00:00:00 1970 From: ron minnich To: 9fans@cse.psu.edu Subject: Re: [9fans] hyperthreading In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Date: Mon, 5 Jan 2004 08:32:01 -0700 Topicbox-Message-UUID: b2174e5e-eacc-11e9-9e20-41e7f4b1d025 hyperthreading in concept is fine. It is just that so far, on Xeon, nobody has seen a performance boost on almost any app, hence almost all the big clusters I know of have turned it off and left it off. ron