[PD] pd-extended 0.40.3 ui performance

Hans-Christoph Steiner hans at eds.org
Sun Jun 29 01:57:32 CEST 2008

Also, I forgot to mention, could you try a very old auto-build to see  
if that has the same slowness:


If you find that the oldest is not slow, then narrowing down the date  
range would help a lot.


On Jun 28, 2008, at 11:20 PM, Damian Stewart wrote:

> hey folks,
> the new UI in 0.40-3 extended looks super nice - but on my machine  
> (dual
> i386 2.0Ghz / MacOsx 10.4) it seriously degrades UI performance,  
> especially
> with Graph on Parent objects.
> for example, loading a small GOP abstraction with four bang  
> buttons, two
> checkboxes, a number box, a slider and a vu meter takes a  
> noticeable amount
> of time with 0.40.3-extended, but happens instantaneously with
> 0.40.2-vanilla. dragging this abstraction around the window suffers as
> well: on 0.40.3-extended when dragging this object the performance  
> drops
> down to about 10fps, whereas on 0.40.2-vanilla i can drag at what  
> seems to
> be the full framerate of my system (there's a bit of mouse lag  
> though).
> it seems such a shame, because it really is much nicer to work with,
> visually, but the sluggishness when i get sizeable patches going is  
> going
> to keep me on 0.40.2-vanilla with its old fashiouned ui. i assume the
> culprit is Tcl/Tk. i ask again: why are we using Tcl/Tk to  
> implement the UI
> part of a **graphical** dataflow language? Tcl/Tk is a user-interface
> toolkit, but we're asking it be a graphics platform, and it just  
> can't hack it.
> -- 
> damian stewart | +31 6 5902 5782 |  damian at frey.co.nz
> frey | live art with machines | http://www.frey.co.nz
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"It is convenient to imagine a power beyond us because that means we  
don't have to examine our own lives.", from "The Idols of  
Environmentalism", by Curtis White

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