[mythtv-users] Requesting some sample kill a watt meter numbers

[jedi]

On Tue, Jan 18, 2011 at 05:00:38PM -0500, Raymond Wagner wrote:
> On 1/18/2011 16:55, jedi wrote:
> >On Tue, Jan 18, 2011 at 04:04:25PM -0500, Raymond Wagner wrote:
> >>On 1/18/2011 15:45, Greg Oliver wrote:
> >>>While I share your same opinion on the Atoms, I have to jump in and
> >>>also say that all of the low power capable cpus that throttle down to
> >>>the same power usage all exhibit the same issue - and that is they
> >>>throttle more than the cpu, and starve other components.  This hampers
> >>>high bitrate playback, and renders them useless as well..
> >>That's not at all true.  The only time I have ever heard of clock
> >>stepping causing problems with VDPAU playback were on older AMD
> >>systems using integrated nVidia video.  The memory controller would
> >     I first saw this myself with the original AppleTV. I pretty much
> >disabled all of the power management on my ATV to ensure that the
> >device was running at it's full potential. I also powered it off
> >completely when it wasn't being used.
> 
> You had to do that on the AppleTV because at full tilt, the
> combination of that processor with XvMC was still marginal for HD
> MPEG2 playback.

   It also had a nasty habit of throttling the NIC otherwise. That
seemed to be an even bigger issue for HD MPEG2 playback than even
raw CPU horsepower. MPEG2 is bulky stuff.