For me using alternate frame rendering 2 works best, alt frame 1 gives below average frame rate of a single card and using alt 2 gives me about 3% increase in frame rate, although it seems to appear less smooth.. micro stutter kind of thing. I used track black death to benchmark, average ~34 fps
Everything on uber high, vsync on application settings and nvidia custom set 16x AF 4xAA 4xSuperSample
2xGTX580
Enabled Aero desktop theme for vsync to work correctly.
I figure this hotfix has nothing to do with getting SLI/Xfire to work correctly but just to allow us to run the game when the bridge is enabled and/or allow people with permanent internally enabled SLI/Xfire to run the game.
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