Date: Mon, 26 Jun 2000 12:58:07 -0400 (EDT) From: Kenneth Wayne Culver <culverk@wam.umd.edu> To: Arun Sharma <adsharma@sharmas.dhs.org> Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: VM coloring description in NOTES Message-ID: <Pine.GSO.4.21.0006261257370.19934-100000@rac5.wam.umd.edu> In-Reply-To: <20000626095345.A7344@sharmas.dhs.org>
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Alright, well that makes sense.. I guess it speeds things up some too? (I had it enabled for a while, but didn't notice a difference). ================================================================= | Kenneth Culver | FreeBSD: The best NT upgrade | | Unix Systems Administrator | ICQ #: 24767726 | | and student at The | AIM: muythaibxr | | The University of Maryland, | Website: (Under Construction) | | College Park. | http://www.wam.umd.edu/~culverk/| ================================================================= On Mon, 26 Jun 2000, Arun Sharma wrote: > On Mon, Jun 26, 2000 at 12:50:41PM -0400, Kenneth Wayne Culver wrote: > > Just curious because I have no experience in this area... but what exactly > > does cache coloring get us... I've never actually gotten a really straight > > answer on this... Thanks > > Read Curt Schimmel's book UNIX systems for modern architectures for an > answer. > > Basically, it ensures that if P1 and P2 are two pages that are allocated > successively (temporal locality), then the first cache line in P1 and > the first cache line in P2 do not compete with each other for the L2 cache. > > -Arun > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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