On May 23, 2011, at 12:13 PM, <joerg-cyril.hoe...@t-systems.com> 
<joerg-cyril.hoe...@t-systems.com> wrote:

> - I'm now wondering whether thread affinity may play a role.
>  Alas, I don't know how to disable one core with Mac OS X 10.5.8

Double-click on /Developer/Extras/PreferencePanes/Processor.prefPane.  That 
will install it to System Preferences.  Then, you can manipulate the processor 
cores.

Regards,
Ken



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