Date: Tue, 24 Dec 2013 11:01:39 +0000 (UTC) From: Anton Yuzhaninov <citrin@citrin.ru> To: freebsd-performance@freebsd.org Subject: Re: Apparent performance regression 8.3@ -> 8.4@r255966? Message-ID: <l9bpij$6fl$1@ger.gmane.org> References: <20131007172804.GA7641@albert.catwhisker.org> <l36c1u$rur$1@ger.gmane.org> <20131011045754.GB1611@albert.catwhisker.org>
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On Fri, 11 Oct 2013 08:57:54, David Wolfskill wrote: DW> The only hardware upgrade was to increase RAM from 6GB to 96GB, DW> which was done for all of the machines being discussed. FYI: RAM size increase can cause performance regression, probably due to decreased CPU TLB cache hit rate.
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