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DAT Mem usage

post #1 of 11
Thread Starter 
Was talking with my lab instructor about UIs and decided to fix grub and get Arch up and running again. Its been more than a month since I last used linux. Decided to mess around, and got a PAE kernel compiled, so I can use all 5GB of ram in 32bit.





Thats with my .cache mounted as a ramdisk too, running the full Gnome 3 experience.


Honestly, Gnome 3 isn't that bad. Switching back and forth between windows is still a major pain, and it desperately needs customization options, but right now the only thing keeping me on Windows is the battery life. It drops from 4 hours to 2 hours going from Windows to Gnome 3, despite the insanely low memory footprint.
    
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post #2 of 11
Quote:
Originally Posted by nathris View Post
It drops from 4 hours to 2 hours going from Windows to Gnome 3
Probably due to the power-usage related regressions present in 2.6.39. Try compiling 2.6.38 (or just grab kernel26-ck from aur - optimized and still on 2.6.38).
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post #3 of 11
Thread Starter 
Quote:
Originally Posted by hybrid-kernel View Post
Probably due to the power-usage related regressions present in 2.6.39. Try compiling 2.6.38 (or just grab kernel26-ck from aur - optimized and still on 2.6.38).
Battery life hit was present in 2.6.37-2.6.39. Its nothing to do with the kernel. Gnome 3 is just a power hog.
    
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post #4 of 11
Interested in precisely what is using power when idle...?
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post #5 of 11
Why not used it inside a virtual machine
post #6 of 11
How is your memory usage so small mine is always 700mb and up
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post #7 of 11
Quote:
Originally Posted by Lord Mirko View Post
How is your memory usage so small mine is always 700mb and up
Which distro? Is it desktop usage, or some kind of server?
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post #8 of 11
there are all sorts of tweaks that can help battery life. it's honestly not the DE/WM, it never was the DE/WM. The power hogs are HDD use and backlight brightness. Most of the time linux doesn't actually dim the backlight, it just uses darker colors.

It just comes down to linux not being taylored for battery life, it's taylored for server/desktop use. No surprise, but you can make it use a lot less battery life with a few hacks and scripts. lesswatts.org or something has some good tips, it covers the majority of the battery use.
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post #9 of 11
Thread Starter 
So running gpu-accelerated compositing doesn't take any more battery life than just 2D?

Somebody should tell AMD and nVidia, so they can just use compositing to render images to the screen at 0W instead of the usual ~150-200W.
    
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post #10 of 11
Quote:
Originally Posted by mushroomboy View Post
It just comes down to linux not being taylored for battery life, it's taylored for server/desktop use.
...what?
Any idea what your wireless router, or TV set top box is running? Here's a hint - it's not Windows
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