Steam for Linux > Limited Beta > Topic Details
FKyeaH! Dec 24, 2012 @ 6:34pm
Performance/usage report. Brief.
System.
Ubuntu X64 Precise.
Amd FX 8150
4GB 1600 mhz sys mem
Samsung 160 GB ssd for Linux, other drives for windows.
AMD 6950 Gphx.

Amnesia starts "ok" intro video does not fullscreen, performance = ok, no lagg, long time to start game, launcher starts quick.
Teamfortress 2, had strange hickups, steam patch seems to have solved it, by high cpu usage fix.
it use long time to start TF2, loadings seem to be longer than windows when running the game on HDD vs linux /w SSD.
sound did not output correctly, not to default soundcard, not been able to reproduce.

Lastly issue, when alt tabbing, in unity the game does not show up as ran application, and is hard to alt tab back into again, do WO for games to not be viewed as under steam but as seperate app for easier alt tab for certant OS versions using unity and alike.

Keep up the great work, this was muuuch better than expected!
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ruediix Dec 24, 2012 @ 7:36pm 
I highly recommend periodically running ext4defrag on your steam directory. (If you aren't using ext4, you need to convert to it before using this utility. (Ext2 and ext3 partitions can easily be converted to ext4 using tune2fs, but you can't do this conversion live.)

It has a nasty tendency to fragment. Of the fragmented files on my disk about half of them were steam files. My TF2 files in particular did not have a single file without mergeable extents that was larger than 16KB.

Valve may need to make a patch to fix this issue by pre-allocating download disk space on Linux.

I still have slow load, but it's actually faster than on Wine. As of rendering, I am literally amazed at the speed I get on my modest hardware (AMD A4-3300). I've been getting far better framerate than under wine, and actually been able to render the full resolution of my monitor 1600x900. The only issue is a small slowdown when I interact with water.
SUSEd Dec 24, 2012 @ 10:54pm 
Originally posted by ruediix:
I highly recommend periodically running ext4defrag on your steam directory. (If you aren't using ext4, you need to convert to it before using this utility. (Ext2 and ext3 partitions can easily be converted to ext4 using tune2fs, but you can't do this conversion live.)

It has a nasty tendency to fragment. Of the fragmented files on my disk about half of them were steam files. My TF2 files in particular did not have a single file without mergeable extents that was larger than 16KB.

Valve may need to make a patch to fix this issue by pre-allocating download disk space on Linux.

I still have slow load, but it's actually faster than on Wine. As of rendering, I am literally amazed at the speed I get on my modest hardware (AMD A4-3300). I've been getting far better framerate than under wine, and actually been able to render the full resolution of my monitor 1600x900. The only issue is a small slowdown when I interact with water.

But defragmentation may broke SSD.
Fantu Dec 24, 2012 @ 11:53pm 
defragmentation is only needed on traditional disks, not ssd that have very low access time to all disk
for improve performance add relatime and discard (trim) options on /etc/fstab
change scheduler:
/etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash elevator=deadline"
decrease swap use
/etc/sysctl.conf
vm.swappiness=1
these are few safe tweaks, there are also many other tweaks if you search online you can do but not all safe
FKyeaH! Dec 25, 2012 @ 5:26am 
This disk was brand new when I got steam linux beta, I love linux but it not primary installation.
I mostly use linux for servers as of now.
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