Hi. On Sat, Jul 17, 2021 at 03:00:48PM -0400, Stephen P. Molnar wrote: > I am forced by circumstance to run a Linux program on my Windows 10 > Laptop. In order to accomplish his I have installed Buster in a > VirtualBox v-6.1. Although the AMD Rizen 5 CPU has eight threads, of > which the VirtualBox only allows four of the threads to be used.
[1], comment 1, first sentence. VirtualBox limits CPU by available cores, not threads. This is not configurable, and is unchangeable, unless you patch VirtualBox. It seems that nobody bothered to write such patch. As a side note, that bug is still open, and it shows some interesting scalability problems of VirtualBox. Reco [1] https://www.virtualbox.org/ticket/18193?cversion=1&cnum_hist=2
