> >> I've only ever used systems with a single CPU. I'm looking for a new
> >> host for a dedicated server (suggestions?) and it looks like I'll
> >> probably choose a machine with two or four CPUs. What sort of
> >> complications does that add to set up and/or maintenance with Gentoo?
> >
> > No complication.
> >
> > Configure CONFIG_SMP in the the kernel for multicore.
> > Everything else is transparent.
> >
> > Cores make threads work better, so you'd want to investigate if
> > USE="threads" is useful for you.
> >
> >
>
> I think he's looking for advice on NUMA, not SMP.

So if I have 2 physical CPU's with 4 cores each and I enable SMP, I'm using 8 cores? Can NUMA be either enabled or disabled when using more than one physical CPU, or is it required?

- Grant