Re: [Discuss-gnuradio] Minimal Hardware to Run Gnuradio on?

[David Carr]

Tom Huppi wrote:

> > Even for really high rate USB transfers (40MB/sec) I see around
> > 10% utilization on a P4 2.4.
> >    
>
> That's good to know (and surprising to me!)  Do I understand
> correctly that this is the load in processing, say, hdtv in the
> form output by the USRP into an mpeg stream (or whatever)?
>
> I would expect that some types of processing are significanty more
> CPU intensive than others.  Would you concur, and if so, can you
> put a vauge, order-of-mag type estimate to the issue?
>  
This is the load resulting from transferring 40MB/s of data from a USB 
device to the GnuRadio framework (into ram essentially).
Decoding a ATSC stream can only be done about 1/20th real time.

-David Carr