Date: Thu, 25 Aug 2005 12:36:15 -0400 From: Aniruddha Bohra <bohra@cs.rutgers.edu> To: "Justin R. Smith" <jsmith@drexel.edu> Cc: freebsd-current@FreeBSD.org Subject: Re: Hyperthreading degrades performance? Message-ID: <430DF37F.80209@cs.rutgers.edu> In-Reply-To: <430DF217.2020908@drexel.edu> References: <430DF217.2020908@drexel.edu>
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Justin R. Smith wrote: >This is in reply to the people who said this because of >cache-contention. Has anyone benchmarked this? > > See the following : Evaluating the Impact of Simultaneous Multithreading on Network Servers Using Real Hardware Yaoping Ruan, Vivek S. Pai, Erich Nahum, and John Tracey /Proceedings of the 2005 ACM SIGMETRICS International Conference on Measurement & Modeling of Computer Systems (SIGMETRICS '05) http://www.cs.princeton.edu/~yruan/XeonSMT/smt.pdf They have an excellent discussion for a web server Cheers Aniruddha /
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