Date: Wed, 20 Mar 2002 19:00:37 -0500 From: "Brian F. Feldman" <green@FreeBSD.org> To: David Malone <dwmalone@maths.tcd.ie> Cc: Alfred Perlstein <bright@mu.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/ufs/ufs ufs_dirhash.c Message-ID: <200203210000.g2L00bd46423@green.bikeshed.org> In-Reply-To: Your message of "Wed, 20 Mar 2002 19:44:40 GMT." <200203201944.aa46129@salmon.maths.tcd.ie>
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David Malone <dwmalone@maths.tcd.ie> 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
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