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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.


  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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