From owner-freebsd-smp Thu Jan 10 15:15:13 2002 Delivered-To: freebsd-smp@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id 8E32A37BD2E for ; Thu, 10 Jan 2002 15:14:53 -0800 (PST) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id DC3C478307; Fri, 11 Jan 2002 09:44:51 +1030 (CST) Date: Fri, 11 Jan 2002 09:44:51 +1030 From: Greg Lehey To: Alfred Perlstein Cc: Terry Lambert , Steve Kargl , smp@FreeBSD.ORG Subject: Re: Linux moves to per CPU run queues Message-ID: <20020111094451.C42285@wantadilla.lemis.com> References: <3C3CF60B.CE5F3E6C@mindspring.com> <20020109203747.A86842@troutmask.apl.washington.edu> <3C3DE6DB.5210233E@mindspring.com> <20020110112323.F7984@elvis.mu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020110112323.F7984@elvis.mu.org> User-Agent: Mutt/1.3.23i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Thursday, 10 January 2002 at 11:23:23 -0800, Alfred Perlstein wrote: > * Terry Lambert [020110 11:09] wrote: >> Steve Kargl wrote: >>> On Wed, Jan 09, 2002 at 06:01:47PM -0800, Terry Lambert wrote: >>>> As I have been suggesting for FreeBSD for some time, Linux has >>>> just moved to per CPU run queues to reduce scheduler contention >>>> and to improve affinity. >>>> >>>> http://www.uwsg.iu.edu/hypermail/linux/kernel/0201.0/0810.html >>> >>> Where are your patches? >> >> Why not commit Alfred's patches instead? I talked them over >> with him a number of times in the break room when we were >> both working at ClickArray, and they are very close (all you >> would need to do is remove the global run queue dependency he >> kept). > > My patches are leet, but no one would give them the time of day. Do you have performance measurements? Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message