[Lighting and Shadows = Kills Performance?]

I get about the same performance no matter how many applications are running in the background on my Mac. Although, usually, I only have Safari, Mail, and occasionally, Photoshop running. Have yet to test SL in Windows on that Mac, and I will try it with and without Game Booster when I do.

[Lighting and Shadows = Kills Performance?]

So to resurrect the thread,

I have been having performance issues with my iMac when I enable lighting and shadows. Well, mostly shadows. Here are my specs:

2.5 GHz Intel Core i5

4 GB DDR3 RAM

AMD Radeon HD 6750M, 512 MB

SL Viewer 3 OR Firestorm running on Mac OS X Lion 10.7.3

If I enable shadows and lighting somewhere that I normally get 80+ FPS, my FPS drops to ~15. If I change shadows to nothing, then I can get around 30. Also, I should point out that I can run games like Modern Warfare 3 and Saints Row the Third (both use DirectX on Windows) on FULL graphics settings, on the same hardware, with no problem(e.g. ~60 to ~30 FPS, respectively). Therefore, I believe, it is a problem either with the rendering engine, OpenGL, or both.

I haven't ran SL on Windows on my Mac, so I'm going to update this post after I test SL on Windows, just to make sure the OS isn't the problem (Which I highly doubt that it is).