Interesting read: https://arxiv.org/pdf/1805.09604.pdf
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It is best to wait for official testing on Threadripper 2 with real world testing of applications. I'm aware the newer chips are to get a boost in the bandwidth area of the CCXs and IFs. How much that will help speed and latency wise is still to be seen.
Personally myself, I don't use my TRs for VMing my 24/7 stuff. I leave that to my Xeon.