[PD] GUI and DSP

[Hans-Christoph Steiner]

One thing to keep in mind with Pd on modern computers is that 'pd-gui'
is a totally separate process from 'pd', so since basically all laptops,
desktops, and even tablets these days ship with 2 or more cores, that
means 'pd-gui' and 'pd' will be running on separate cores.  Therefore,
as long as 'pd-gui' doesn't use more than say 70% of one core, it
shouldn't affect 'pd' much at all.

.hc

On Wed, 2012-02-08 at 17:01 +0100, batinste wrote:
> Hi
> 
> See attached patch. Open it, turn on DSP, click the toggle and compare
> CPU usage with the subpatch visible or hidden. On my computer, Pd takes
> 1% of CPU with the non-visible slider, and between 2 and 3% when the
> slider is visible. Remember that [bang~] bangs at audio rate :) I
> usually limit slider and al refresh request rate to 20ms or more : or
> better, once the patch runs ok, i delete all useless sliders, bangs and
> toggles.
> 
> On 08/02/2012 15:41, Jean-Marie Adrien wrote:
> > Hello list
> > reading everywhere that GUI takes enormous amount of CPU.
> >
> > More precisely : does a GUI element, say a slider monitoring a signal, require lots of CPU in anycase -even when for instance it is invisible somewhere deep in a subpatch-,  or is it requiring lots of CPU only when displayed in front window ?
> > JmA
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