Poor compositing performance on 965Q chipset with intel 2.2.1 driver

Keith Packard keithp at keithp.com
Sat May 10 21:22:56 PDT 2008

On Sat, 2008-05-10 at 23:14 +0200, Juliusz Chroboczek wrote:
> > 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?

It's probably fine; when WC is disabled, I was getting around 200 on my

keith.packard at intel.com
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