[PD] opengl performance on osX
nicolas_montgermont at yahoo.fr
Mon May 23 13:24:40 CEST 2011
I didn't had time to make heavy testing.
But I tried some things today and it seems finally I manage to go
further than 50% of the GPU.
You can see the evolution of my graph here if you want:
It is with different testing : changing resolution / frame / options
Auto-hiding the dock doesn't seems to change a thing, and sending
fullscreen before creating the window did not significantly change the
I'll try to do some more professional testing with Cyrille tomorrow.
What is the best way to test the GPU usage, drawing numerous squares?
There is also many different parameters to monitor and i can display
some others if you prefer.
The tool i am using is a developper tool from apple : OpenGl Driver Monitor
Le 22/05/11 19:02, chris clepper a écrit :
> Does the performance improve in fullscreen? I can see having to share
> time with the rest of the GUI, but in full screen there is nothing
> else taking time.
> Sat, May 21, 2011 at 7:12 AM, cyrille henry <ch at chnry.net
> <mailto:ch at chnry.net>> wrote:
> from my experience, Gem is 2 times faster on the same computer
> using ubuntu than osX.
> thanks to nvidia profiling tools, Nicolas pointed that gem is
> limited to 50% usage of the GPU.
> there is certainly a limitation somewhere on osX preventing
> application to use full performance of the hardware.
> so, you applications are slower, but the interface will always be
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