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From: Jesse Barnes <jbarnes@engr.sgi.com>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	Nick Piggin <piggin@cyberone.com.au>
Subject: Re: Performance of -mm2 and -mm4
Date: Mon, 23 Aug 2004 14:31:25 -0700	[thread overview]
Message-ID: <200408231431.25986.jbarnes@engr.sgi.com> (raw)
In-Reply-To: <336080000.1093280286@[10.10.2.4]>

On Monday, August 23, 2004 9:58 am, Martin J. Bligh wrote:
> The -mm4 looks more like sched stuff to me (copy_to/from_user, etc),
> but the -mm2 stuff looks like something else. Buggered if I know what.
> -mm3 didn't compile cleanly, so I didn't bother, but I prob can if you
> like.

If you suspect the scheduler, you could try bumping SD_NODES_PER_DOMAIN in 
kernel/sched.c to a larger value (e.g. the number of nodes in your system).  
That'll make the scheduler balance more aggressively across the whole system.

Jesse

  reply	other threads:[~2004-08-23 21:41 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-08-23 16:58 Performance of -mm2 and -mm4 Martin J. Bligh
2004-08-23 21:31 ` Jesse Barnes [this message]
2004-08-24  0:41   ` Nick Piggin
2004-08-24  1:29     ` Con Kolivas
2004-08-25 22:29       ` Martin J. Bligh
2004-08-24  3:23 ` Nick Piggin
2004-08-24  3:26   ` Martin J. Bligh

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