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SubjectRe: i686 quirk for AMD Geode
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Hi!

On Tue, 2009-11-10 at 21:54 +0100, Pavel Machek wrote:
[...]
> > CMOV/NOPL are rarely used, thus have no reason to cause a massive
> > performance drop, but are frequent enough (at least cmov) for almost
>
> *One* CMOV in the inner loop will make your performance go down 20x.
But it runs.
The pragmatic side is:
If people notices the performance drop, it would be good to have
something in syslog and/or dmesg and/or /proc and/or sysfs
If people do not notice the performance drop, who cares?

Bernd
--
Firmix Software GmbH http://www.firmix.at/
mobil: +43 664 4416156 fax: +43 1 7890849-55
Embedded Linux Development and Services




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