Re: [gentoo-user] Do I need NUMA set up in my kernel?

[Peter Humphrey]

On Thursday, 23 September 2021 11:39:39 BST Miles Malone wrote:
> You'd need NUMA if you had a NUMA machine.  In current context, that
> would be either a) a dual socket system, b) an amd threadripper, or c)
> some of the really high core xeons.  If your motherboard doesnt have
> certain memory banks allocated to certain processors or cores, you're
> probably not running a NUMA machine.
>
> NUMA stands for non-uniform memory access, it means that certain
> processor cores have more direct access to certain parts of memory
> than others do (e.g. to access the other memory they need the other
> cpu core to pass it through)
>
> On Thu, 23 Sept 2021 at 19:39, Charlotte Delenk <darkkirb@××××××××.de>
wrote:
> > Hi Peter,
> >
> > On 9/23/21 10:59, Peter Humphrey wrote:
> > > Hello list,
> > >
> > > I see "[    0.003162] No NUMA configuration found" in dmesg. Does that
> > > mean I should, or can, remove the NUMA settings from the kernel? This
> > > is a Ryzen M9 5900X machine.
> >
> > I have CONFIG_NUMA unset on both of my AMD Ryzen machines (Zen+ and
> > Zen2) with no issues

Thank you both. I'll try removing it and see what happens.

-- 
Regards,
Peter.