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From: Andi Kleen <ak@muc.de>
To: "Martin J. Bligh" <mbligh@aracnet.com>
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 21:19:46 +0200	[thread overview]
Message-ID: <m3lljld1v1.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <1Yn67-50q-7@gated-at.bofh.it> (Martin J. Bligh's message of "Fri, 21 May 2004 20:40:07 +0200")

"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.

-Andi


  parent reply	other threads:[~2004-05-21 23:02 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 [this message]
2004-05-21 20:32             ` Martin J. Bligh
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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