Hi Michel,
On Thu, 13 Sep 2001, Michel D�nzer wrote:
> > The only thing that is still significantly slower on freebsd is the actual
> > frame display on X11. For full-PAL (720x576) images xine easily decodes
> > all frames on heiko's box but throws away 30% of them because X11 is too
> > slow to display them in time - this indicates to me that there's something
> > wrong with X11 shared memory support on FreeBSD here. Somehow I get the
> > feeling that there are extra memcpys involved here - maybe the MTRR isn't
> > set up correctly so the CPU caches the display data or, more likely, the
> > CPU is used to copy to images into the framebuffer instead of letting the
> > graphic's card do the work via dma/agp.
>
> The latter is true for all XFree86 drivers on all OSs.
whoups - I didn't know that.
but this doesn't explain why freebsd is slower than linux here ?!?
Cheers,
Guenter
--
time is a funny concept
_______________________________________________
Xpert mailing list
[EMAIL PROTECTED]
http://XFree86.Org/mailman/listinfo/xpert
