From: Con Kolivas <kernel@kolivas.org>
To: Nick Piggin <piggin@cyberone.com.au>
Cc: "Jesse Barnes" <jbarnes@engr.sgi.com>,
"Martin J. Bligh" <mbligh@aracnet.com>,
"Andrew Morton" <akpm@osdl.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Performance of -mm2 and -mm4
Date: Tue, 24 Aug 2004 11:29:57 +1000 [thread overview]
Message-ID: <cone.1093310997.326407.10766.502@pc.kolivas.org> (raw)
In-Reply-To: 412A8EAD.3060907@cyberone.com.au
Nick Piggin writes:
>
>
> Jesse Barnes wrote:
>
>>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.
>>
>>
>
> Try increasing /proc/sys/kernel/base_timeslice as well.
Or back out nicksched.patch
next prev parent reply other threads:[~2004-08-24 1:32 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
2004-08-24 0:41 ` Nick Piggin
2004-08-24 1:29 ` Con Kolivas [this message]
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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