Date: Sat, 17 Feb 2007 09:52:53 +0100 From: <garcol@postino.it> To: <freebsd-performance@freebsd.org> Subject: Re: bizarre performance issues in 6.2 release Message-ID: <002801c75271$0afa5af0$1df522d4@elitel>
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See kern/83406: [smp] em/bge drivers: severe performance loss under SMP sysctl machdep.cpu_idle_hlt=3D0 (sysctl machdep.hyperthreading_allowed=3D1) Regards Alessandro >Try disabling hyperthreading on the 6.2-server. In some cases you get >a moderate performance-increase, in most cases this setting is >counter-productive. > >regards >Claus
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