[PD] irreversibly high CPU usage with 'use callbacks' (macOS)

[Roman Haefeli]

Just another data point:

I'm  not able to reproduce this here:
  * macOS 10.15.7
  * Pd 0.52-1-really
  * MacBook Pro 2016
 
Tested with CoreAudio and JACK

Roman


On Tue, 2022-01-11 at 23:43 +0100, Christof Ressi wrote:
> Hi,
> 
> I have noticed this myself just a few days ago (Pd 0.52-1-really, 
> Windows 7). I had a quick look and couldn't immediately spot the 
> problem, but I will have a closer look. Actually, I have been working
> on 
> a branch with several scheduler improvements and this issue is 
> definitely on my to-do list.
> 
> Christof
> 
> On 11.01.2022 20:43, William Chang wrote:
> > Hi all,
> > 
> > If I turn on 'use callbacks' in audio preferences, then turn on
> > DSP, 
> > pd's CPU usage goes to > 100% and stays there even if I turn DSP
> > back 
> > off. This sometimes locks up the GUI and I have to restart Pd.
> > Without 
> > checking 'use callbacks' it seems to be fine. Tried this with
> > default 
> > audio devices, MOTU Ultralite mk4, and Blackhole 2ch. Can anyone 
> > reproduce?
> > 
> > Pd: 0.52-1-really
> > macOS: 12.0.1
> > MacBook Pro 14" M1 Pro
> > 
> > Thanks,
> > Will
> > 
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> 
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