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About Catalyst A.I. and Flip Queue Size

post #1 of 5
Thread Starter 
I have an ATI X1950XT PCI-e card and:

a. should I turn the option Catalyst A.I. to high? The other two options are off and low.

b. should I set the Flip Queue Size (Max Frames to Render Ahead in nVidia cards) to 2? Or should I leave it at the default setting of 3? Or perhaps even lower it to 1? I have a dual core AMD CPU so I'm pretty sure setting it to 0 wouldn't be advisable.


Thanks all.
post #2 of 5
Actually if you set it to 0 for Oblivion you get better framerates, I know odd right? I think it's because the card doesn't have to render 3 frames at a time or something.

I don't see the difference between AI off and AI high. Then again, I'm playing at 1920x1080 on a 2900XT.
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Mira
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post #3 of 5
I don't know about b. but A I'd have to say low or off. I get problems with it in games and I don't really see a difference either (in fact, I have no clue what it's supposed to do) .
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post #4 of 5
Thread Starter 
OK, I'm gonna set the Catalyst A.I. thing to low and if it gives me any problems, I'll set it back to high.

Iirc, I read on TweakGuides that for those who have dual-core CPUs, it is advisable to set the Flip Queue Size (or Max Frames to Render Ahead) to 1 or 2 to take advantage of the dual cores but to be honest, I don't notice any difference if I set it to 1 or 2. I do, however, would like to know if say setting it to 1 gives you an average of 2-3 more FPS for example of vice versa (I'm playing Medieval II: Total War, btw).
post #5 of 5
If you are running Crossfire, settings advanced Catalyst AI will enable the AFR (alternate frame rendering) mode and DRASTICALLY increase performance. This also enables driver level tweaks, so I would keep it on. May not be a huge difference, but could be.
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