bhyve+windows 7 multicore performance

[Darius Mihai]

On Wed, Dec 4, 2019, 18:22 Wojciech Puchar <wojtek at puchar.net> wrote:

> >>>
> >>> Try 4 cores, and drop the priority boost, you may be causeing
> >>
> >> Well i need more cores than 4 for that VM.
> >> I will try even number (10) and no nice.
> >
> > If 4 cores performs better than 10 cores why would you want
>
> performs better per thread. Not as total.
>
>
> removing -P option improved performance a bit. Well - a large bit.
>

If I remember correctly, windows runs PAUSE very often when idling,
so having many cores that stay idle may slow down the system
since -P forces context switches when that instruction is
executed.

Darius