Benchmark MySQL Performance On FreeBSD And Linux

Gustavo A. Baratto gbaratto at
Fri Dec 16 12:18:54 PST 2005

So, is ULE ready for production on 6.0-RELEASE?
Can we use it without fear?


Gea-Suan Lin wrote:
> Hi,
> In 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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