> >> 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