> I installed ubuntu server and rebuilt everything from source. I’d say its > more like a 50% reduction in cpu use (It was maxed out).
Excellent! Glad to hear it worked so well. One other thing to suggest, in case you haven't done so already. Volk has a profiler tool, volk_profile, which will tune the library for best performance for your CPU. Make sure to run that as well. https://wiki.gnuradio.org/index.php/Volk#Using_VOLK