[mythtv-users] nuvexport speed
james at thearmstrongs.org
Sun Nov 14 01:25:55 UTC 2004
Ian Forde wrote:
>On Sat, 2004-11-13 at 13:04 -0800, nate s wrote:
>>I was taking a look at the nuvexport code recently, and I noticed that
>>(at least for the xvid module; I didn't look at the rest) it was
>>renicing it to 19 (lowest priority.) I suppose this makes sense, so
>>as not to mess up any in-progress recordings, but if you're not using
>>the box for anything else at the time, you might as well set it
>>higher, or at least turn off other things that'd take cpu time.
>Uhh... the whole point of having a nice level for this is so that more
>important things can pre-empt the CPU for it, but if nothing important
>is running, the nice-d process gets the lion's share of the CPU. Just
>run top when you've got a nuvexport going and no playbacks on the same
>box. You'll see it takes as much of the CPU as it can get.
I have noticed that I usually get 40 or so fps for the first 10 to 15
seconds of transcoding then it quickly drops to anywhere between 7 and
12 fps and stays there. This is on a P4 3gig HT.
More information about the mythtv-users