Gentoo Archives: gentoo-user

From: Florian Philipp <lists@×××××××××××.net>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Dual or Quad CPU complications?
Date: Sat, 15 Dec 2012 11:51:32
Message-Id: 50CC63D2.40903@binarywings.net
In Reply to: Re: [gentoo-user] Dual or Quad CPU complications? by Mick
1 Am 15.12.2012 01:40, schrieb Mick:
2 > On Thursday 13 Dec 2012 14:13:56 Bruce Hill wrote:
3 >> On Thu, Dec 13, 2012 at 08:44:45AM +0100, J. Roeleveld wrote:
4 >>> NUMA is also an option in the kernel. Should also be fully transparent.
5 >>> I got one machine with NUMA and only had to set an option for it.
6 >>>
7 >>> Does anyone know how to check it's working properly?
8 >>
9 >> dmesg | grep NUMA
10 >
11 > Hmm ... it seems that it can't find NUMA configuration:
12 >
13 > $ dmesg | grep UMA
14 > No NUMA configuration found
15 >
16 > Am I supposed to configure something in userspace? This is what the kernel
17 > has:
18 >
19 > $ uname -a
20 > Linux dell_xps 3.5.7-gentoo #2 SMP PREEMPT Mon Nov 26 10:36:47 GMT 2012 x86_64
21 > Intel(R) Core(TM) i7 CPU Q 720 @ 1.60GHz GenuineIntel GNU/Linux
22 >
23 [...]
24
25 "dell_xps" as in XPS laptop? There are no NUMA laptops.
26
27 Despite all the stuff about terminology, we are basically talking about
28 multi-socket systems. Things with mainboards like these [1] as opposed
29 to these [2].
30
31 [1] http://www.newegg.com/Product/Product.aspx?Item=N82E16813131378
32 [2] http://www.newegg.com/Product/Product.aspx?Item=N82E16813131725
33
34 Regards,
35 Florian Philipp

Attachments

File name MIME type
signature.asc application/pgp-signature