[PD] [PD-dev] What goes on during dsp ticks?

Mathieu Bouchard matju at artengine.ca
Sun Jun 22 04:16:36 CEST 2008

On Sun, 22 Jun 2008, PSPunch wrote:

> > It's mostly just OSX's malloc that is obscenely expensive beyond a
> > certain size. But that threshold is more like 16k or so. On Linux, it's
> > 128k instead, but if both thresholds were the same, you'd see that Linux
> > takes this change well, whereas OSX does not.
> Is this something you would learn only from studying the Linux source, 
> or is it a fact discussed fairly often?

No, this is part of glibc. This is where malloc() is defined. I did not 
study glibc, I probed it with a benchmark. I used the same programme to 
probe the malloc() on OSX.

> I would appreciate it if you can forward me to any online resources 
> where this is mentioned (Regarding Linux... OSX is out of my scope for 
> the moment)

I did not use any online resources, so, I don't know any.

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| Mathieu Bouchard - tél:+1.514.383.3801, Montréal, Québec

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