Weird context-switching performance
Julian Elischer
julian at elischer.org
Sat Jan 31 15:36:13 PST 2004
On Sat, 31 Jan 2004, Milo Hyson wrote:
> We've got these two very similar machines that are exhibiting
> drastically different context-switching performance. The slower of the
> two is actually task-switching at four times the rate of the other.
> We've gone through several benchmarks and are at a complete loss to
> explain it. We've set up a page documenting our efforts:
>
> http://www.cyberlifelabs.com/cs-benchmark/
>
> I would appreciate it if someone could offer some insight into what
> affects context-switching. Is there some obscure kernel variable that
> we've overlooked? Or is it just one of those unexplainable feng-shui
> situations?
>
Which is the abnormal machine?
i.e. is machine 1 faster than all other similar machines or is machine B
slower?
> Thanks in advance.
>
> --
> Milo Hyson
> Chief "Mad" Scientist
> CyberLife Labs, LLC
>
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