Re: Utility of PV on non-obsolete hardware

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Apr 04, 2019 at 09:32:00PM +0200, Torbjörn Granlund wrote:
> Manuel Bouyer <bouyer%antioche.eu.org@localhost> writes:
> 
>   Is it for 64 or 32bits guests ?
> 
> 64.
> 
>   PV MMU is slow for 64bit guests, but not that bad for 32bits.
> 
> I get very similar result profiles for 32-bit guests, at least for the
> glm (Goldmont) host.  The 32-bit builds are a few percent slower, but
> that might be due to other factors (e.g., I assign them less RAM).

that's strange. On my use cases (e.g. pkgsec bulk builds), the 32bit guests
are significantly faster.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--