I believe NUMA is only used on multiprocessor machine and not on only multicore.
http://en.wikipedia.org/wiki/Non-Uniform_Memory_Access 2012/12/13 J. Roeleveld <jo...@antarean.org> > Florian Philipp <li...@binarywings.net> wrote: >> >> Am 13.12.2012 07:23, schrieb Alan McKinnon: >> >>> >>> On Wed, 12 Dec 2012 22:12:18 -0800 >>> Grant <emailgr...@gmail.com> wrote: >>> >>> >>>> 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. >> >> > NUMA is also an option in the kernel. Should also be fully transparent. > I got one machine with NUMA and only had to set an option for it. > > Does anyone know how to check it's working properly? > > -- > Joost > -- > Sent from my Android phone with K-9 Mail. Please excuse my brevity. >
