On Wed, Sep 12, 2007 at 11:55:08PM +0200, Vincenzo Pellegrini wrote: > I'm beginning to see some light over my 8MHz tx problems.. > > the throughput towards my USRP is significantly reduced compared to the > one from it... > > > ./test_usrp_standard_tx > xfered 1.34e+08 bytes in 5.46 seconds. 2.457e+07 bytes/sec. cpu time = > 0.492 > 0 underruns > > > ./test_usrp_standard_rx > xfered 1.34e+08 bytes in 4.19 seconds. 3.2e+07 bytes/sec. cpu time = 0.384 > noverruns = 0 > > > what could be the cause for this? any hint..? ( benchmark_usb.py reports a > good throughput up to 32M) > > thanks > vincenzo
What h/w platform are you on?' What USB host controller do you have? Is it on a PCI card, or on the motherboard? $ lspci Eric _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
