From owner-freebsd-current Thu Mar 30 16: 4:13 2000 Delivered-To: freebsd-current@freebsd.org Received: from shell.futuresouth.com (shell.futuresouth.com [198.78.58.28]) by hub.freebsd.org (Postfix) with ESMTP id A6F1F37B92F; Thu, 30 Mar 2000 16:04:06 -0800 (PST) (envelope-from fullermd@futuresouth.com) Received: (from fullermd@localhost) by shell.futuresouth.com (8.9.3/8.9.3) id SAA09112; Thu, 30 Mar 2000 18:04:02 -0600 (CST) Date: Thu, 30 Mar 2000 18:04:02 -0600 From: "Matthew D. Fuller" To: "David O'Brien" Cc: freebsd-current@FreeBSD.ORG Subject: Re: SMP buildworld times / performance tests Message-ID: <20000330180402.E10480@futuresouth.com> References: <200003300604.WAA68031@apollo.backplane.com> <20000330174453.D10480@futuresouth.com> <20000330160043.A57508@dragon.nuxi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0pre3i In-Reply-To: <20000330160043.A57508@dragon.nuxi.com> X-OS: FreeBSD Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, Mar 30, 2000 at 04:00:43PM -0800, a little birdie told me that David O'Brien remarked > On Thu, Mar 30, 2000 at 05:44:53PM -0600, Matthew D. Fuller wrote: > > Does softupdates provide faster performance than async/noatime? > > In general it depends. Softupdates is faster on creating a file and then > deleteing it before both hit the disk. Softupdates nulifies out the > creation. Async would write the file to disk just to turn around and > delete it. > > For somethings mounting `async' is faster. The question at task is, is buildworld one of them? I don't think that situation comes up a lot in buildworld, but I'm not exactly an authority on it... -- Matthew Fuller (MF4839) | fullermd@over-yonder.net Unix Systems Administrator | fullermd@futuresouth.com Specializing in FreeBSD | http://www.over-yonder.net/ "The only reason I'm burning my candle at both ends, is because I haven't figured out how to light the middle yet" To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message