[mythtv-users] MythTV backend running on NVIDIA Ka-el, 35W replaced by

[mythtv]

On Tue, 08 Mar 2011 17:00:16 -0500, Raymond Wagner <raymond at wagnerrp.com>
wrote:
> On 3/8/2011 15:40, mythtv wrote:
>> I'm sure there are others who have their backend on 24/7.  Is anyone
else
>> (esp the devs) intrigued by the idea of replacing a 35W CPU  (+
>> additional
>> system power) with a 1W CPU with higher performance?
>>
http://blogs.nvidia.com/2011/02/tegra-roadmap-revealed-next-chip-worlds-first-quadcore-mobile-processor/
> 
> I'd like to see the comparison between a 
> modern dual core Sandy Bridge part, with a 17W TDP and turbo speed of 
> 2.7GHz, or quad core part with a 45W TDP and turbo speed of 3.4GHz 
> (turbo being where one or more cores shut down to allow others to run at

> higher speed in the same power envelope).  It will be even more 
> interesting the AMD Bulldozer parts due out in a few months, where the 
> cores physically have a trench dug around them, with gating to allow 
> whole chunks of the chip to be completely powered down, and even the 
> high end eight and sixteen core parts are expected to have an idle 
> consumption under 10W
> 
>> I was surprised that I couldn't find any discussion of the backend
>> running
>> on ARM but then again ARM CPUs have never had this kind of horsepower
>> before.
> 
> There have been, but they've all come to the same conclusion that ARM is

> not sufficient high performance to recommend for a backend.  Individual 
> users claimed it was 'good enough', but they had limited channel count, 
> with one or few tuners, and were willing to put up with the minute or 
> longer scheduler runs.

[insert sound of my bubble popping] :(
Thanks for the detailed response.  I guess I got carried away with the
hype because I didn't delve into that much detail.  
I'll go back to working on reducing the temp and power footprint of my
current system.

cheers,