On 2009-07-08 22:49, lee wrote:
> Hi,
>
> under what circumstances are you supposed to turn on NUMA support in
> the kernel settings? I've googled about that and learned what NUMA is
> about while trying to answer the question wheather I should enable it
> in my kernel or not. But I couldn't find the answer I was looking for.
>
> Do Intel DualCores (E8400) support NUMA?
No. All cores access the same RAM over the same paths.
> Do you need special hardware,
> like a special mainboard supporting NUMA, to benefit from this
> feature?
Yes. Really expensive server-oriented multi-*socket* boards with
DIMM slots for each CPU socket.
> Do these CPUs support NUMA? It seems to me that leaving it
> disabled is better in my case, and the kernel help also says that it's
> probably better not to enable it if you don't have more than two
> CPUs/cores.
>
> Now if I had a quad core CPU instead, would I better enable NUMA? Or
> if I had an AMD instead of Intel, would I turn it on? Or should I
> leave it turned on?
You still only have 1 CPU chip, so NUMA is irrelevant.
--
Scooty Puff, Sr
The Doom-Bringer
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