glxgearsの結果がこんなに違うんだけど
Gentooが遅いのはどこかに問題があるんですよね
どの辺をチェックすれば良いんだろう...

CPU: AthlonII X4 620
MEM: 8GB
MB: GA-MA785GPMT-UD2H
OS: Arch Linux x64

$ glxgears -info
GL_RENDERER = ATI Radeon HD 4200
GL_VERSION = 3.3.11005 Compatibility Profile Context
GL_VENDOR = ATI Technologies Inc.
:
:
5411 frames in 5.0 seconds = 1082.122 FPS
5960 frames in 5.0 seconds = 1191.930 FPS
--
CPU: Athlon64 X2 4200+
MEM: 2GB
MB: 939A785GMH128M
OS: Gentoo Linux x64

$ glxgears -info
GL_RENDERER = ATI Radeon HD 4200
GL_VERSION = 3.3.11005 Compatibility Profile Context
GL_VENDOR = ATI Technologies Inc.
:
:
302 frames in 5.0 seconds = 60.279 FPS
300 frames in 5.0 seconds = 60.000 FPS