Date: Thu, 30 Mar 2000 17:44:53 -0600 From: "Matthew D. Fuller" <fullermd@futuresouth.com> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Andy Farkas <andyf@speednet.com.au>, freebsd-current@FreeBSD.ORG Subject: Re: SMP buildworld times / performance tests Message-ID: <20000330174453.D10480@futuresouth.com> In-Reply-To: <200003300604.WAA68031@apollo.backplane.com> References: <Pine.BSF.4.10.10003301158360.14426-100000@backup.af.speednet.com.au> <200003300604.WAA68031@apollo.backplane.com>
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On Wed, Mar 29, 2000 at 10:04:17PM -0800, a little birdie told me that Matthew Dillon remarked > > Ha! I found it. Kirk gets the credit --- softupdates was turned on > in one of the machine's /usr/obj's and off on the other machine's. > > So softupdates improves buildworld times by a significant margin. I've > turned softupdates on on both machines and am rerunning the test. I > expect I will see an improvement closer to what Bob Bishop saw when > he ran the test (7% or so) rather then 20+%. Does softupdates provide faster performance than async/noatime? I keep /usr/src and /usr/obj as such, would it be faster with softupdates? And if so, why? -- 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
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