3
votes
1answer
5k views

How do I disable TCP Window Scaling?

TCP Window Scaling is part of RFC1323 - TCP Extensions for High Performance I'm on Ubuntu 10.10 at the moment. For an immediate effect I have run the following: sudo sysctl -w ...
3
votes
2answers
2k views

Video performance on a Lenovo T520 is slow

I have a new Lenovo t520 with 8gb memory and a i7 cpu. It's the first time I 'really' install Ubuntu on a pc. I have about six months of experience with Ubuntu as a guest OS on Windows in a VM. Now ...
3
votes
2answers
1k views

Graphics performance of 945GME

Edit: Since setting Appearance -> Visual Effects up to a stunning "Normal", I now get ~35 FPS in glxgears right after login, with nothing else running :( I'm getting terrible graphics performance in ...
2
votes
2answers
1k views

Poor compiz performance on NVidia 9500 GT

I have just installed Ubuntu on both my laptop and my workstation. My laptop is a somewhat older one, with a 2Ghz centrino Core 2 Duo processor, an NVidia GeForce Go 7300 graphics card, and 2 ...
4
votes
1answer
759 views

i3 core performance problems

I just tried to play Quake3 (QuakeLive) on a new laptop with an i3 core integrated gpu, running Ubuntu 10.10. Strangely, the performance was terrible. I'm running on intel driver, which seems to load ...
4
votes
3answers
2k views

Why is Flash performing so badly in 10.10 64-bit compared to 10.04 64-bit?

Edit: After discovering some more about the problem (namely that it seems to be caused by waking from suspend) I created a new question. In Ubuntu 10.04 64-bit, I was running the latest 64-bit Flash ...
3
votes
1answer
2k views

Can I configure Mutter to unredirect fullscreen windows?

I tried a Google search on the subject; however I came up with nothing. Is there a way I can enable this option so I can enable good 3d performance while using Unity?
2
votes
2answers
282 views

Why does an Opera widget (analog clock) use so much CPU? [closed]

When I was using Arch Linux with KDE 4.5 and Opera analogue clock widget, it was much less CPU-consuming. Now, on Ubuntu 10.10 (and I use the same proper graphics driver) it consumes mean of 15% of ...