As Marcus L. said: Usually, your hard drive is the limiting factor. Try to write to a vector sink instead of a file sink. Does it get better? Notice: Hard drive write speeds are usually significant < 1Gb/s sustainably.
Best regards, Marcus On 11/17/2015 05:14 PM, scott tiger wrote: > Thank you very much for your reply. > There isn't any switch or router between USRP and computer. They are > connected by Ethernet cable. > the folow-graf is not complex at all, but the signal is transmitted > from the saved file and the received signal is recorded to hard disk. > I tested to do that on different computers with CPU (dual core, i3, > i5, i7) but I didn't mentioned any big difference. > > > > Maksim > > > On Tue, Nov 17, 2015 at 4:30 PM, Marcus D. Leech <mle...@ripnet.com > <mailto:mle...@ripnet.com>> wrote: > > On 11/17/2015 10:13 AM, scott tiger wrote: > > Dear all, > Can you please tell me, what is the max sample rate that can > be used in gnu-radio for SISO transmission with USRP 2 or N200 > series? "of course practically" > theoretically it is written up to 50M, but the max that I > achieved is 12M. > any ideas about the host computer characteristic to achieve > higher sample rate? > > Thank you very much for your reply > Maksim > > > It depends very much on what you're trying to do, how complex your > flow-graph is, etc. > > In general, faster CPU cores, more of them. The fastest memory > you can use with said CPUs. If you're recording to disk, or > transmitting from saved signals, a fast, probably-RAID disk > subsystem. > > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org <mailto:Discuss-gnuradio@gnu.org> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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