From owner-cvs-all Wed Mar 20 16: 1: 5 2002 Delivered-To: cvs-all@freebsd.org Received: from green.bikeshed.org (freefall.FreeBSD.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 7444837B423; Wed, 20 Mar 2002 16:00:38 -0800 (PST) Received: from localhost (green@localhost) by green.bikeshed.org (8.11.6/8.11.6) with ESMTP id g2L00bd46423; Wed, 20 Mar 2002 19:00:37 -0500 (EST) (envelope-from green@green.bikeshed.org) Message-Id: <200203210000.g2L00bd46423@green.bikeshed.org> X-Mailer: exmh version 2.5 07/13/2001 with nmh-1.0.4 To: David Malone Cc: Alfred Perlstein , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/ufs/ufs ufs_dirhash.c In-Reply-To: Your message of "Wed, 20 Mar 2002 19:44:40 GMT." <200203201944.aa46129@salmon.maths.tcd.ie> From: "Brian F. Feldman" Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 20 Mar 2002 19:00:37 -0500 Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG David Malone wrote: > > > mean #probes for > > > home dir mh inbox news/cancel tmp squid2 squid3 > > > old successful 1.02 3.19 4.07 1.10 7.85 2.06 > > > new successful 1.04 1.32 1.27 1.04 1.93 1.17 > > > > > > old unsuccessful 1.08 4.50 5.37 1.17 10.76 2.69 > > > new unsuccessful 1.08 1.73 1.64 1.17 2.89 1.37 > > > Looks like anywhere from a factor of 2 to a factor of 5 performance > > improvement! > > The numbers in the table are just the numbers of hash probes needed > - when combined with the overhead of the actual operations I was > getting about a 0-5% improvement with a simulated MH mailbox. What size of a "simulated" MH mailbox? cvs has 75027 messages (1-75088); cur=75050. ruby-talk has 28317 messages (1-28447); cur=26685. :) -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org <> bfeldman@tislabs.com \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message