[TUHS] UVM VM system

Warner Losh imp at bsdimp.com
Sun Sep 2 05:07:45 AEST 2018


On Sat, Sep 1, 2018 at 12:51 PM Larry McVoy <lm at mcvoy.com> wrote:

> So I just read this
>
> https://www.usenix.org/legacy/event/usenix99/full_papers/cranor/cranor.pdf
>
> and it looks encouraging.  Apparently NetBSD is using it.  Does anyone
> know if they are happy with it?
>

They are relatively happy with it...


> Has FreeBSD considered this?
>

Yes, but it would be a huge porting effort.


> Has anyone benchmarked FreeBSD against NetBSD to see which is faster
> for VM stuff?
>

Generally, the benchmarks favor FreeBSD. Again, it's a cleaner design, but
the time spent optimizing FreeBSD's and eliminating the bottle necks has
paid off...

Warner
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