The flip-flop will impact performance if it affects access to cache. I don't know if that is actually the case on this chip set. But I have seen it on Solaris.

Regards,
Mike

-----Original Message-----
>From: Oeyvind Brandtsegg 
>Sent: Mar 9, 2008 7:12 AM
>To: csound@lists.bath.ac.uk
>Subject: [Csnd] Re: Re: [off-topic] processors
>
>Yes, I've seen this "flip-flop"-ing happening on winXP too. And I
>*think* (not know) the flipflopping of Csound processing from one core
>to another will have an impact on realtime performance, creating the
>possibility for a dropout during the switchover time.
>
>Oeyvind
>
>
>2008/3/8, Anthony Kozar :
>> This probably means nothing for WinXP with Intel Dual Core, but my Dual G4
>> PPC Mac running OS X 10.2 does an excellent job of balancing tasks between
>> processors.  When I run Csound with top running in another terminal, I can
>> clearly see Csound using nearly 100% of one processor while the other
>> processor runs the GUI ("TrueBlueEnv" I think it is called).  (I don't think
>> Csound always stays on the SAME processor -- the tasks sometimes flip-flop,
>> I believe).
>>
>> Anthony
>>
>> Oeyvind Brandtsegg wrote on 3/8/08 10:02 AM:
>>
>> > The thing Michael states about getting a "clean" core for Csound, one
>> > that does not have to deal with OS, graphics and housekeeping is very
>> > much valid. But this does not happen automatically (at least not on
>> > winXP).
>>
>>
>>
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>
>
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