[mythtv-users] Time for new hardware. CPU HIGH loads

Michael Rice mikerice1969 at gmail.com
Wed Feb 13 23:03:41 UTC 2008


On 2/13/08, Michael Rice <mikerice1969 at gmail.com> wrote:
> On 2/13/08, Mark Hutchinson <mark at onnow.net> wrote:
> > I am finding CPU load with SVN.  I have tried many profiles and
> > encoders/interlaced etc... with only moderate success.
> > For other people building/spec'ing hardware, take note to avoid frustration.
> >
> > Here is what I want my system to do:
> > Firewire capture from DCT-6200, Blu-Ray in future into 1080P.
> > Hopefully Hauppauge HD-PVR.
> >
> > I currently have a Core3Duo 6300 ( 1.86 ghz ) and max the CPU almost all
> > the time.
> > Live TV capture from SD S-Video from DCT-6200 80% CPU.
> > Mythfrontend or xine playing 720p video is between 90-120CPU%.  This
> > starts to cause jitter etc....
> >
> > So, what should the new min spec be for cpu?  Would the E8400 ( 3ghz )
> > be future proof enough?
> > It looks like the 264 video require MUCH CPU horsepower.  Especially
> > with a newer Nvidia card where driver support is weak in XvMC etc...
>
> I have a Core2Duo 6300... same as you... and I can play 720p/1080i TV
> fine (top reports 30% average across the two cores) using onboard
> Intel video (no xvmc) and Intel sound.  I really don't think you have
> a CPU horsepower problem.  I am running SVN 16510 on 32-bit fedora 8
> at the moment.
>
> I just tried the barberofseville sample 1080p from the Apple site and
> it plays perfectly with 45-50% reported in top with mplayer.
>
> I really think you have some other issue... unfortunately I don't have
> an idea what.
>

I should mention I compile mythtv with:  --compile-type=debug
so no optimization.... I am sure others would report even better performance.


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