[PD] Fwd: [coll] bug

IOhannes m zmölnig zmoelnig at iem.at
Mon Jan 30 21:10:05 CET 2017

On 01/30/2017 08:42 PM, Roman Haefeli wrote:
> On Mon, 2017-01-30 at 15:20 -0200, Alexandre Torres Porres wrote:
>>> Doing Uzi with 100k generated entries into coll object in Max and I
>>> get guaranteed crashes from these on both 6 and 7.
>> well, I tested opening a file with 300k entries in Max 7 and got no
>> audio crash/choke... it loaded the file fine, taking a bit under
>> 500ms and the audio wasn't interrupted. I also had a block size of 1
>> and audio I/O of 32 samples, highest CPU consuming setting possible,
>> it was around 13%
> Sounds like Max' [coll] is threaded, otherwise taking 500ms for a task
> without interrupting audio at this low latency setting would be a
> contradiction. 

well, it could do piecewise processing: just read a few lines per DSP tick.
if systemcalls are involved, it's hard to predict the behaviour though.
(e.g. rather than giving a single dropout, it could as well create
multiple dropouts).


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