0
votes
1answer
214 views

Flash suddenly insanely jerky (but low CPU consumption)

I'm using 11.04 (I know that support has been dropped) 32bit on my Desktop machine. I never had performance problems with Adobe Flash on Ubuntu. But since today, all flash videos in browsers are ...
1
vote
1answer
322 views

Cuda driver, CPU/GPU performances issue [closed]

I implemented a RNS Montgomery exponentiation in CUDA and on CPU for comparison. Everything nice everything fine. It runs on just one SM. However, I am going to tell you some strange regression in ...
2
votes
3answers
834 views

Is Ubuntu 11.04 slower?

Recently, I did the upgrade for Ubuntu 11.04 and I have a much longer startup, as well as time to launch some programs. Can this problem be solved?
6
votes
2answers
1k views

Slow installation of applications in Ubuntu Software Center?

I have installed Ubuntu 11.04 desktop and I am in the process of learning. I want to install some applications from the Ubuntu Software Center, but the installation process is quite long and slow. ...
3
votes
1answer
504 views

Downloading large files hangs system

When Im trying to download large files, i.e. 1gb or more under FireFox, first of all it starts with very big download speed and in few seconds in almost get up to max (~11 MBps). It is downloading ...
1
vote
2answers
536 views

How to measure performance of a web browser?

I am curious to know which browser is the fastest one on my thinkpad x300 running Ubuntu 11.04. Could someone tell me how to measure performance of a browser on ubuntu 11.04, please?
2
votes
1answer
7k views

Low graphics performance with Intel HD graphics

hey, my laptop should be capable of running some games fine but doesn't. Examples are egoboo and tome. http://www.ebuyer.com/product/237739 this is my laptop. I tried the gears test and i only get 60 ...
0
votes
3answers
2k views

Ubuntu 11.04 + Radeon 4850 = performance problems and graphic problems

I did not install Ubuntu 11.04 on the first day because i tought: okey maybe there are some bugs, i give them some days so they can fix them. But now i got it with the hope the most anoying bugs are ...
2
votes
3answers
763 views

Graphics very jerky on Natty Narwal

I just got a new laptop, and installed narwal on it. Things like youtube videso play fine, however "system graphics" (for lack of a better term) are extremely jerky, for example closing a tab will ...
1
vote
2answers
396 views

What's the best, most compatible sub-$100 graphics card for Natty?

Since upgrading to Natty graphic performance has been absolutely terrible despite having decent system specs. I'm willing to buy a new card if it will make the interface fast again. Can someone ...