Date: Wed, 20 Mar 2002 10:17:11 -0800 From: Alfred Perlstein <bright@mu.org> To: David Malone <dwmalone@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/ufs/ufs ufs_dirhash.c Message-ID: <20020320181711.GI455@elvis.mu.org> In-Reply-To: <200203201758.g2KHw2o36141@freefall.freebsd.org> References: <200203201758.g2KHw2o36141@freefall.freebsd.org>
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* David Malone <dwmalone@FreeBSD.org> [020320 09:58] wrote: > dwmalone 2002/03/20 09:58:02 PST > > Modified files: > sys/ufs/ufs ufs_dirhash.c > Log: > Two minor changes to dirhash, which result in some marginal benchmark > improvements. "marginal" ?? > 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! -- -Alfred Perlstein [alfred@freebsd.org] 'Instead of asking why a piece of software is using "1970s technology," start asking why software is ignoring 30 years of accumulated wisdom.' Tax deductible donations for FreeBSD: http://www.freebsdfoundation.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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