Poor compositing performance on 965Q chipset with intel 2.2.1 driver
Juliusz.Chroboczek at pps.jussieu.fr
Sat May 10 14:14:23 PDT 2008
> An updated libpciaccess may help here - the frame buffer was getting
> mapped UC instead of WC.
On a 855GM, I'm seeing x11perf -shmput500 around 400 per sec. Is that normal?
FWIW, /proc/mtrr indicates that the framebuffer is WC, but I understand
that's no longer a reliable indication.
(I'm running stock Linux 22.214.171.124 and Debian's X server 1:7.3+10,
which claims to be 126.96.36.199.)
More information about the xorg