I have no access to dual socket machines so I can't help here. I can only infer that more available CPU threads means smaller bottleneck while serving frames to encoder.
Basically single 6 core cpu with mdegrain2 is too slow to feed fast enough x264/x265 encoder. In latest version you have a nice graph in encoding server showing how much of cpu time is spent for each process. I predict that x264/x265 uses less cpu time than decoder.
Last edited by Atak_Snajpera; 8th January 2019 at 14:37.
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