[PD] Very large patches unstable?

Mathieu Bouchard matju at artengine.ca
Wed Dec 2 21:19:32 CET 2009


On Wed, 2 Dec 2009, martin.peach at sympatico.ca wrote:
>> On Wed, 2 Dec 2009, Martin Peach wrote:
>>> Before that I would try the very large patch on a faster computer with
>>> more RAM.
>> Good idea. Now with four CPUs, you can now load Pd in the same amount of
>> time as before, but as a bonus, your system is 75% CPU idle in the
>> meanwhile.
> Oh no of course not! You must then make your patch even bigger until it's again using 110% and crashes because of 'bugs'.

What I mean is that Pd has only two threads and so can't get any faster 
with 4 CPUs than with two. Furthermore, if the slowdown is concentrated in 
one thread, it doesn't get any faster with 4 CPUs than with _one_. This 
1/4 ratio is where I took the 75% in my example.

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| Mathieu Bouchard, Montréal, Québec. téléphone: +1.514.383.3801


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