November 17, 20178 yr Is anyone aware of how the CCX units in ryzen are numbered. I'm working on a gaming/NAS build with a 1700x and would like to pass through a single CCX to the VM to avoid the penalty of inter-CCX communication.
January 1, 20188 yr Interesting topic to investigate. In a similar scenario I have pinned the last 4 cores to a Windows 10 VM with the hope that this is how it works but have not confirmed that it is the case. If information could not be sourced it should be possible to see potential differences by comparing results from multithreaded benchmarks between different VM core assignment setups.
January 1, 20188 yr Author I’m pretty sure they’re ordered sequentially. Lots of odd sound issues if I assign any other set of cores.
January 3, 20188 yr Considering this article, it should be safe to assume that the first CCX is from logical cores 0-7 and the second from 8-16.
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