reducing CPU utilization

[shariefbe]

I am using Ubuntu Netbook remix which has ATOM processor, The Xorg CPU utilization is very high when i work on browser. I know this is because browser runs on X window. Now my question is How to reduce the CPU utiliazation of Xorg and browser. The CPU utilization is taken while running the browser is
In Atom processor : Xorg : 65-75 %
browser : 30-45%
But in Core2duo processor : Xorg : 8-15%
browser : 5-10%
Now how to reduce Atom processor utilization should be reduced as core2duo processor. Please help me. Is it possible?

[coopstah13]

are you using desktop effects at all? If you are make sure you are using the right graphics driver and are not using software rendering for desktop effects which will cause CPU usage to spike

[shariefbe]

sorry i novice. I didnt understand what you are asking. I didnt change anything in driver. just i installed ubuntu netbook remix in my netbook and start run my browser. thats all. it makes my browser slow. So please help me how to make my browser fast.

[coopstah13]

your comparison is apples to oranges, you are comparing a core 2 duo desktop processor to an atom netbook processor

I'm going to assume you have an intel graphics chipset, which has had problems with more recent versions of ubuntu. I have never used netbook remix, so I can't comment on desktop effects being on by default but I would assume they are not. Most likely this is a problem with the driver being used.

What is your graphics driver? Post result of this code:

lspci | grep -i vga

[shariefbe]

This is the result

sharief@sharief-laptop:~$ lspci | grep -i vga
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)
sharief@sharief-laptop:~$

[shariefbe]

I think the problem is with plugins. If i remove all the plugins it is some what fast. But without plugin how can i work. any suggestion will be appreciated.

[shariefbe]

I installed XFCE. But i am not getting any menu to select which desktop we want to use. it is directly going to XFCE. If i want to change to my old gdm desktop what should i do?

[coopstah13]

which version of ubuntu are you using?

Intel Graphics Performance Guide for Ubuntu 9.04 (Jaunty) Users|Ubuntu Geek

edit: if you aren't running 9.10, i'd check this out
[Phoronix] Ubuntu 9.10 Netbook Performance

[shariefbe]

i am using
ubuntu 9.10 netbook remix