[Bug 39525] Very poor performance on R100 QD [Radeon 7200]

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 2 15:41:25 PDT 2011


--- Comment #9 from Alex Deucher <agd5f at yahoo.com> 2011-08-02 15:41:25 PDT ---
(In reply to comment #8)
> Logged into the classical environement of ubuntu makes the machine with the M6
> unusable and the R100 works very bad.

Likely there is not enough vram to run a compositor well (only 32 MB of vram
and 128 MB of gart on the r100) as such the gfx driver spends most of it's time
swapping buffers.  Compositors use a lot of vram since every app renders to
it's own offscreen buffer.

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