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Re: OpenGL and Obj-C Garbage Collection, performance issues?

Subject: Re: OpenGL and Obj-C Garbage Collection, performance issues?
From: Mike Miller <email@hidden>
Date: Mon, 5 Nov 2007 09:40:25 -0600
Delivered-to: email@hidden
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I have been unable to use OpenGL Profiler on a project that has Garbage Collection enabled. I emailed this list about the issue but have received no response from anyone on the list or apple.

If you use opengl profiler or think you will need it, I would stay away from the GC feature right now.


On Nov 5, 2007, at 8:58 AM, Sean McBride wrote:

Hi all,

I was reading this:
<http://developer.apple.com/releasenotes/GraphicsImaging/RN-CoreImage/
index.html>

which says "The Core Graphics APIs (Quartz 2D) see an approximately 25% reduction in drawing performance for applications compiled to use garbage collection".

I was wondering: are there any performance issues with OpenGL and GC?
Is it unwise for an app that heavily uses OpenGL to adopt GC?

Thanks,

--
____________________________________________________________
Sean McBride, B. Eng                 email@hidden
Rogue Research                        www.rogue-research.com
Mac Software Developer              Montréal, Québec, Canada

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