This is a great achievement. I tested it with an old 2GHz P4 laptop (but with good USB controller) and was able to reach about 41MB/sec. The tests were with/without FPGA HB filter in one direction using your pre-built images.
Could you try to set different fusb parameters? I observed that, since
the FX2 is less likely to be a bottleneck, tuning of these parameters
may have greater impact than before. E.g. my laptop did an additional 2
MB/s with B = 16384 and N = 1000 (test_usrp_standard_rx -B 16384 -N 1000
etc.).
Thank you for sharing it with us.
Thanks for the feedback.
Best regards
Dominik
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