[USRP-users] Bound in streaming X310 through PCIE
raj.b at gatech.edu
Wed Mar 9 15:49:43 EST 2016
I had a suspicion that uhd_fft and osmocom_fft weren't actually crunching
FFTs on all that data, thanks for confirming it. I agree, it really depends
on what you're doing.
Here's another data point for reference: using PCIe to a single X310, I am
able to actually FFT every sample using gr-fosphor @ 66.666667 MSamp/s on
an Intel i7-3770, which is a desktop class CPU that is three generations
old. I'm using Intel's OpenCL CPU implementation for RHEL and SLES, but
shoehorned into working on Ubuntu 14.04:
I am about to go try this on a more powerful Xeon setup with 10 GigE to see
what is actually possible.
Raj Bhattacharjea, PhD
Georgia Tech Research Institute
Information and Communications Laboratory
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