Re: [USRP-users] B200 USB high CPU usage

2018-02-17 Thread Marcus Müller via USRP-users
Hi Kasper, SIMD is fine and all, for sample processing in the end (for example, to convert the samples from on-the-wire format to something your CPU can calculate with), but it's really no "fix it all" for this kind of thing: Significant workload is handling the fact that your USB controller has

Re: [USRP-users] B200 USB high CPU usage

2018-02-14 Thread Kasper Føns via USRP-users
Hi Nate and Marcus. I didn't receive Markus' mail, but could read it on the archive. I am having problems just receiving the 56e6 samples up from the device. I am not writing them to disk (see the '--null' argument that avoids write calls to disk), nor processing them in any way. I am using UHD

Re: [USRP-users] B200 USB high CPU usage

2018-02-13 Thread Nate Temple via USRP-users
Hi Kasper, There are several caveats/issues/topics to consider with regards to running at higher sample rates with the B2xx. Generally speaking, Linux will offer better performance than Windows. What version of UHD are you using? If you're not using UHD 3.10.3.0, can you please try upgrading?

Re: [USRP-users] B200 USB high CPU usage

2018-02-13 Thread Marcus D. Leech via USRP-users
On 02/13/2018 04:52 AM, Kasper Føns via USRP-users wrote: Hi. We have bought a B200 board and are having issues simply receiving the samples and would like some support in the matter. Running the command ./rx_samples_to_file --null --rate 5600 on a Sony Vaio Z with an I5-3210M running