Date: Fri, 16 Dec 2005 12:20:46 -0800 From: "Gustavo A. Baratto" <gbaratto@superb.net> To: Gea-Suan Lin <gslin@gslin.org> Cc: freebsd-performance@freebsd.org, leo.huang.gd@gmail.com Subject: Re: Benchmark MySQL Performance On FreeBSD And Linux Message-ID: <43A3219E.7080808@superb.net> In-Reply-To: <20051216064615.GA41775@gslin.org> References: <20051216064615.GA41775@gslin.org>
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So, is ULE ready for production on 6.0-RELEASE? Can we use it without fear? Cheers Gea-Suan Lin wrote: > Hi, > > In http://blog.gslin.org/archives/2005/12/12/252/ we test more cases, > and summary some important conclusions: > > * SCHED_ULE (kernel options) is faster than SCHED_4BSD. > > * Use kern.timecounter.choice=TSC (sysctl) will be faster than ACPI-fast > or ACPI-safe. (about 10% again) > > And I notice you use kernel-image-2.6.8-2-686-smp in Debian, but not use > "CPUTYPE?= p3" in /etc/make.conf to compile kernel. > > And you should disable these options, it may increase ~10% again: > > -cpu I486_CPU > -cpu I586_CPU > cpu I686_CPU >
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