Date: Wed, 9 Jan 2013 13:01:33 +0700 From: Erich Dollansky <erichsfreebsdlist@alogt.com> To: Mark Atkinson <atkin901@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: To SMP or not to SMP Message-ID: <20130109130133.0399a6cc@X220.ovitrap.com> In-Reply-To: <kchhhs$bmp$1@ger.gmane.org> References: <1357611958.66651.YahooMailClassic@web121603.mail.ne1.yahoo.com> <kchhhs$bmp$1@ger.gmane.org>
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Hi, On Tue, 08 Jan 2013 08:29:51 -0800 Mark Atkinson <atkin901@gmail.com> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 01/07/2013 18:25, Barney Cordoba wrote: > > I have a situation where I have to run 9.1 on an old single core > > box. Does anyone have a handle on whether it's better to build a > > non SMP kernel or to just use a standard SMP build with just the > > one core? Thanks. > > You can build a SMP kernel, but you'll get better performance (in my > experience) with SCHED_4BSD on single cpu than with ULE. > I would not say so. The machine behaves different with the two schedulers. It depends mostly what you want to do with the machine. I forgot which scheduler I finally left in the single CPU kernel. Erich
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