[PD] Hyper-Threading on PD

Hans-Christoph Steiner hans at eds.org
Sat Jun 3 00:04:19 CEST 2006


Test it and find out.  Computer hardware and operating systems are so  
complex that no one can really know how software is going to perform  
without testing it.

If you do test it, please report back on this list.

.hc

On Jun 2, 2006, at 9:03 PM, Urs Liska wrote:

> Hi,
>
> sorry for taking over this thread.
> I know this is sort of OT but I don't quite understand the topic.
>
> Does this all mean
> a) it is no advantage for PD to run with/on a Core Duo processor  
> (on WinXP or linux)
> b) it is a disadvantage
> c) it is a disadvantage unless I deliberately make _no_ use of the  
> virtual multiprocessor?
>
> If this thread isn't related to Core Duo then I'd appreciate any  
> comments on my questions (since I'm trying to find the right "next  
> laptop").
>
> Thanks
> Urs
>
>
> Tim Blechmann schrieb:
>> On Mon, 2006-05-29 at 10:09 -0700, Renato Fabbri wrote:
>>> But, when using PD with the smp kernel and watching a
>>> system monitor, all I see is both processors
>>> alternating on the tasks making some quasi-quadratic
>>> envelopes from zero up, with overlapping.
>>>
>>> Where is the system splitting the tasks here??
>> not sure ... possibly after sleeping, the pd process will be moved to
>> another processor ...
>>> So, Tim, your advice is to use a non smp kernel and
>>> desable hyper-threading at bios setup?
>> i guess, it's no problem to run an smp kernel, but you should disable
>> hyperthreading.
>> the only exception would be to run two instances of pd, with a  
>> similar
>> cpu load, running on top of a jackdmp server ... tim
>> --
>> TimBlechmann at gmx.de    ICQ: 96771783
>> http://www.mokabar.tk
>> Linux is like a wigwam: no windows, no gates, apache inside, stable.
>> --------------------------------------------------------------------- 
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>
> -- 
> Urs Liska
> Glümerstr. 5
> D-79102 Freiburg
>
> www.graft-music.com
> www.suonomobile.de
>
> [Pd 0.39.2, WinXP]
>
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____

"Computer science is no more related to the computer than astronomy  
is related to the telescope."
                                                           -Edsger  
Dykstra





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