[PD] [PD-dev] tcl/tk 8.5, antialising, and large fonts lead to huge cpu overhead bug?
Miller Puckette
mpuckett at imusic1.ucsd.edu
Wed Feb 21 19:28:06 CET 2007
Is there a way to disable proportional fonts? THat might be all we need...
cheers
M
On Wed, Feb 21, 2007 at 09:33:54AM -0500, Ivica Ico Bukvic wrote:
> > You're right, it definitely shouldn't be that bad. Have you tried
> > this same test on different platforms, or with different versions of
> > Tcl/Tk? (I am guessing you are on Windows, which I don't use). I
>
> Nope. I am on a Linux box (not literally at this very moment, but I use PD
> exclusively on Linux). I did try this on 2 different machines with same
> results. Although both of them were AMD cpus (3000+ laptop and a 4800+
> desktop, nicely loaded in terms of RAM etc.), since your test below was on a
> totally different architecture, my hunch is that this has nothing to do with
> cpu choice. The two also used two different distros.
>
> > just tried on my G4 800 with Tcl/Tk 8.4.15-cvs. I get about 50%
> > usage from one num2 at 24 point at 100hz.
>
> Is this with antialiased fonts? Either way, what we have so far suggests
> that the tcl/tk is a real hog. With GriPD being apparently abandonware,
> should one simply use Gem to display data that calls for refreshes faster
> than 10Hz? To me this idea sounds like an overkill...
>
> Ico
>
>
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