[PD] [PD-dev] tcl/tk 8.5, antialising, and large fonts lead to huge cpu overhead bug?
Hans-Christoph Steiner
hans at eds.org
Sun Feb 25 07:53:03 CET 2007
Sure, use a fixed width font. I was using a fixed width font in my
tests: DejaVu Sans Mono.
.hc
On Feb 21, 2007, at 1:28 PM, Miller Puckette wrote:
> 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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