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I am running the 8,1 Macbook Pro. It has the integrated Intel HD 300 gpu. I've noticed the graphics performance is drastically worse in Ubuntu than in OS X. I tested this using the bullet physics library (http://bulletphysics.org/wordpress/) demos. In OS X, they all run flawlessly and smooth. In Ubuntu on the same laptop they're unusable. I can't properly interact with them because they hang so much and the framerate is so low.

Is this a driver issue? Any fixes or possibility of this being fixed?

I was planning on working with some bullet stuff, but the performance is much worse than is reasonable.

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Please see my answer here, it may still apply to your GPU. askubuntu.com/questions/38028/… –  Alan May 3 '11 at 6:29
    
That didn't seem to have any perceptible effect on performance. I should also note that unity and compiz in general runs perfectly smooth. –  greggory.hz May 3 '11 at 7:15
    
This is very odd. I'm afraid my knowledge is limited, so I can't aid you beyond that. But no doubt someone else here can, if you don't receive an answer after a few days I will post a bounty for you. –  Alan May 3 '11 at 7:35

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up vote 3 down vote accepted

I'm also running Intel HD 3000 on Thinkpad T420. Using standard 11.04 driver, even glxgears is very choppy and pressing the windows button to access search is unresponsive. I've came across a better HD3000 driver here:

http://phoronix.com/forums/showthread.php?50038-Updated-and-Optimized-Ubuntu-Free-Graphics-Drivers

Now the performance improved a bit, glxgears managed to get 60fps constantly although there still some hiccups and still some graphical glitch in games like nexuiz and tremulous. Nexuiz is still not playable though.

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My benchmark (2.5 years latter): using dell vostro 3550, same intel hd 3000, ubuntu 11.11, running glxgears: 850fps –  Topera Dec 19 '11 at 10:30

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