[mythtv-users] Requesting some sample kill a watt meter numbers
raymond at wagnerrp.com
Tue Jan 18 22:00:38 UTC 2011
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.
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