Date: Fri, 5 Nov 1999 02:47:07 -0600 (CST) From: David Scheidt <dscheidt@enteract.com> To: Joachim Strombergson <Joachim.Strombergson@emw.ericsson.se> Cc: freebsd-smp <freebsd-smp@FreeBSD.ORG> Subject: Re: Affinity Message-ID: <Pine.NEB.3.96.991105024258.40520C-100000@shell-2.enteract.com> In-Reply-To: <38228A90.B00F2E8C@emw.ericsson.se>
next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, 5 Nov 1999, Joachim Strombergson wrote: > Hi! > > I've missed the message boats a few times so... Could anyone explain the > affinity thing again. If I understood it correctly, it's used to lock a > process to a certain CPU. More or less right. Processor affinity needn't be implmented such that a process only runs on a certain CPU, it can also just make it more likely that it runs on that CPU. How much of a win it is depends on a number of factors, like what the job is, how big its primary data and code sets are, and the cache coherency model of the machine is. David Scheidt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.NEB.3.96.991105024258.40520C-100000>