choice of i386 vs amd64 guest

[Victor Sudakov]

Paul Vixie wrote:
> 
> > 
> > When I must run several FreeBSD guests in bhyve, should I prefer i386
> > or amd64 guests provided a guest will never need more than 2-3 GB of
> > RAM? 
> 
> if you're running bind9, the sizeof(void *) will dominate your heap
> size, and a 32-bit guest will be better overall, given that you don't
> need the larger addressing size.

Those guests will be running web servers mostly.

> 
> for everything else, the larger register set on amd64 will matter more,
> and you should probably use a 64-bit guest.

There is an opinion that 64-bit systems use up more resources than
32-bit ones for the same tasks, it that not true?

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru