On Wed, Oct 18, 2006 at 01:54:17PM +0800, Jeremy Chew wrote: > Hi, >
> I tried the IP tunneling sample that came with GNU Radio which uses > TUN/TAP. I used a Pentium M 1.6 GHz laptop with 480 MB RAM. I > noticed that, when the IP tunneling is turned on, the CPU > utilization averages about 69% and peaks around 93% even when I do > not run any application using the IP tunnel. The receiver is always running. Try turning down the data rate with the -r <rate> option. It defaults to 500kb/sec which may be too high for your system. > This utilization is very high. Is it due to the GMSK algorithm? Is > there any inefficiency in the IP tunneling program that is a > significant cause of the high utilization? It's the receiver. Also note that _zero_ effort has been put into tuning this code. oprofile.sf.net is your friend. patches welcome. Eric _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
