[PD] -nosleep works only without -jack (was: [solved] glitches when streaming UDP)

Roman Haefeli reduzent at gmail.com
Thu Feb 1 16:57:28 CET 2018

On Mit, 2018-01-31 at 09:32 +0100, katja wrote:
> On Wed, Jan 31, 2018 at 1:22 AM, Roman Haefeli <reduzent at gmail.com>
> wrote:
> > 
> > 
> > I'm a bit unsure about the -nosleep option. What is it supposed to
> > do?
> > I thought it would make Pd burn as many CPU cycles as it can get.
> > And
> > your mail from 2015 suggests a similar behavior. I run it like
> > this:
> > 
> > pd -noprefs -nosleep -rt -jack -channels 2
> > 
> > and it still only runs at 3% of a core with the [adc~]-[dac~]
> > patch.
> > This is with Pd-0.48-1 (git 3417d9036).
> When running pd Pd-0.48-1 with option -nosleep on my core2 machine,
> CPU load is 100% on one (switching) core. Seems like the -nosleep
> option does not have the same effect on all hardware. 

I just figured out now that -nosleep indeed works, also on my hardware.
But it does _not_ when using -jack backend. Can anyone confirm?

> That may be an indicator of the underlying problem causing audio drop
> out.

Definitely. I wonder how Pd is different from other jack clients.

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