Re: Interesting scheduling times

Erik Andersen (andersen@inconnect.com)
Wed, 16 Sep 1998 14:09:18 -0600 (MDT)


On Thu, 17 Sep 1998, Richard Gooch wrote:

> Hi, all. I've been playing around with measuring Linux context
> switch times, and I noticed something curious: a Pentium/MMX 200 is
> doing much better than a PPro 180. Furthermore, a PPro 180 isn't doing
> heaps better than a Pentium 100.
>
> CPU process switch thread switch Kernel version
> Pentium 100 12 12 2.1.109
> PPro 180 8 4 2.1.122-pre2
> Pentium/MMX 200 4 2 2.1.104
>
> all times in microseconds for UP machines.
>
> Do these times seem a little odd to people?

Maybe you should run them all using the same kernel, so we see an
"apples-to-apples" comparison. I lot has happened during the last
20 kernel releases...

-Erik

--
Erik B. Andersen   Web:    http://www.inconnect.com/~andersen/ 
                   email:  andersee@debian.org
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