Re: HEADSUP: KSE about to become a kernel option

From: David Xu <davidxu_at_freebsd.org>
Date: Fri, 27 Oct 2006 10:06:38 +0800
On Friday 27 October 2006 08:57, John Birrell wrote:
> On Fri, Oct 27, 2006 at 08:51:39AM +0800, David Xu wrote:
> > By compiling kernel without KSE option, super-smack's select-key.smack
> > with 10 clients on Athlon64 dual-core 3800+ breaks 31000 q/s, otherwise
> > it can only get 29000 q/s. Mysql version is 5.0.24a, FreeBSD AMD64.
>
> So that must be the difference in context switch time?
>
> --
> John Birrell

I assume that without KSE, the scheduler's code size is reduced, this saves
I-CACHE and execution time.

David Xu
Received on Fri Oct 27 2006 - 00:06:43 UTC

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