From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Andi Kleen <ak@muc.de>
Cc: linux-kernel@vger.kernel.org, brettspamacct@fastclick.com
Subject: Re: How can I optimize a process on a NUMA architecture(x86-64 specifically)?
Date: Fri, 21 May 2004 13:32:10 -0700 [thread overview]
Message-ID: <93090000.1085171530@flay> (raw)
In-Reply-To: <m3lljld1v1.fsf@averell.firstfloor.org>
> "Martin J. Bligh" <mbligh@aracnet.com> writes:
>
>> For any given situation, you can come up with a scheduler mod that improves
>> things. The problem is making something generic that works well in most
>> cases.
>
> The point behind numa api/numactl is that if the defaults
> don't work well enough you can tune it by hand to be better.
>
> There are some setups which can be significantly improved with some
> hand tuning, although in many cases the default behaviour is good enough
> too.
Oh, I'm not denying it can make things better ... just 90% of the people
who want to try it would be better off leaving it the hell alone ;-)
M.
next prev parent reply other threads:[~2004-05-21 20:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1Y6yr-eM-11@gated-at.bofh.it>
[not found] ` <1YbRm-4iF-11@gated-at.bofh.it>
[not found] ` <1Yma3-4cF-3@gated-at.bofh.it>
[not found] ` <1YmjP-4jX-37@gated-at.bofh.it>
2004-05-21 19:17 ` How can I optimize a process on a NUMA architecture(x86-64 specifically)? Andi Kleen
[not found] ` <1YmMN-4Kh-17@gated-at.bofh.it>
[not found] ` <1Yn67-50q-7@gated-at.bofh.it>
2004-05-21 19:19 ` Andi Kleen
2004-05-21 20:32 ` Martin J. Bligh [this message]
2004-05-21 23:42 ` Brett E.
2004-05-22 6:13 ` Martin J. Bligh
2004-05-22 7:41 ` Andi Kleen
2004-05-23 0:28 ` Bryan O'Sullivan
2004-05-23 14:28 ` Andi Kleen
2004-05-24 22:00 ` Andrew Theurer
2004-05-25 0:27 ` Scott Robert Ladd
2004-05-25 1:09 ` Brett E.
[not found] ` <1YRnC-3vk-5@gated-at.bofh.it>
2004-05-23 11:57 ` Andi Kleen
2004-05-21 0:51 Brett E.
2004-05-21 1:29 ` Jesse Barnes
2004-05-21 6:37 ` Martin J. Bligh
2004-05-21 17:27 ` Brett E.
2004-05-21 17:46 ` Martin J. Bligh
2004-05-21 18:14 ` Brett E.
2004-05-21 18:30 ` Martin J. Bligh
2004-05-21 18:58 ` Jesse Barnes
2004-05-21 19:08 ` Martin J. Bligh
2004-05-23 2:49 ` David Schwartz
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