[mythtv-users] P4 HyperThreading SMP Kernel and HDTV playback

[Xiaotian Sun]

On 5/5/05, Joe Barnhart <joebarnhart at yahoo.com> wrote:
> 
> --- Xiaotian Sun <sun.xiaotian at gmail.com> wrote:
> 
> > I have a P4 3.0E GHz CPU in the Pundit-R.  It's running the latest
> > 2.6.11 smp kernel from FC3.  When I try to play HDTV, the CPU usage
> > for mythfrontend is >97%.  However the total CPU usage is only around
> > 75%.  The playback quanlity is really bad, even worse than my other
> > computer, a P4 2.4 GHz running 2.6.10 non-smp FC3 kernel.
> 
> Also make sure you're using accelerated video drivers.  The situation
> you describe could be caused by using a non-optimized video driver.
> 

Is there a reason to go for ati fglrx driver if I don't want TV out? 
With xorg driver, I'm getting ~800 fps when testing using glxgears.

Xiaotian