Speeding up Intel graphics

UPDATE (2009/04/27):

Changed “AccelMethod” from “EXA” to “UXA”.

————————————–

I found this sped up my intel graphics by about 45% from 1100fps to over 1550fps:

1 (xorg.conf):

Right under
Driver “intel”

Add line:
Option “DRI” “true”

Note:  a 2nd line (Option “PageFlip” “true”) did not work (was not honored by xorg).

2 (xorg.conf):

In the “Screen” section, added (4 lines, just after “DefaultColorDepth 24”):

Option “AccelMethod” “EXA”
Option “ExaNoComposite” “false”
Option “MigrationHeuristic” “greedy”
Option “Accel” “true”

3)  /etc/environment (created this file to contain the following 1 line):

INTEL_BATCH=”1″

That’s it!

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