bhyve+windows 7 multicore performance

[Wojciech Puchar]

On Wed, 4 Dec 2019, Darius Mihai wrote:

> 
> 
> 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
Possibly. But for sure - this made things faster a lot. Actually close to 
bare metal performance.