From: Ingo Molnar <mingo@elte.hu>
To: "Martin J. Bligh" <mbligh@aracnet.com>
Cc: Andrew Morton <akpm@osdl.org>,
kernel@kolivas.org, linux-kernel@vger.kernel.org,
Rick Lindsley <ricklind@us.ibm.com>
Subject: Re: 2.6.8-rc2-mm2 performance improvements (scheduler?)
Date: Wed, 4 Aug 2004 22:10:19 +0200 [thread overview]
Message-ID: <20040804201019.GA25908@elte.hu> (raw)
In-Reply-To: <211490000.1091648060@flay>
* Martin J. Bligh <mbligh@aracnet.com> wrote:
> >> SDET 16 (see disclaimer)
> >> Throughput Std. Dev
> >> 2.6.7 100.0% 0.3%
> >> 2.6.8-rc2 99.5% 0.3%
> >> 2.6.8-rc2-mm2 118.5% 0.6%
> >
> > hum, interesting. Can Con's changes affect the inter-node and inter-cpu
> > balancing decisions, or is this all due to caching effects, reduced context
> > switching etc?
Martin, could you try 2.6.8-rc2-mm2 with staircase-cpu-scheduler
unapplied a re-run at least part of your tests?
there are a number of NUMA improvements queued up on -mm, and it would
be nice to know what effect these cause, and what effect the staircase
scheduler has.
Ingo
next prev parent reply other threads:[~2004-08-04 20:27 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-04 15:10 2.6.8-rc2-mm2 performance improvements (scheduler?) Martin J. Bligh
2004-08-04 15:12 ` Martin J. Bligh
2004-08-04 19:24 ` Andrew Morton
2004-08-04 19:34 ` Martin J. Bligh
2004-08-04 19:50 ` Andrew Morton
2004-08-04 20:07 ` Rick Lindsley
2004-08-04 20:10 ` Ingo Molnar [this message]
2004-08-04 20:36 ` Martin J. Bligh
2004-08-04 21:31 ` Ingo Molnar
2004-08-04 23:34 ` Martin J. Bligh
2004-08-04 21:26 ` 2.6.8-rc2-mm2, schedstat-2.6.8-rc2-mm2-A4.patch Ingo Molnar
2004-08-04 21:34 ` Sam Ravnborg
2004-08-04 21:46 ` Randy.Dunlap
2004-08-04 22:13 ` Ingo Molnar
2004-08-04 22:10 ` Rick Lindsley
[not found] ` <20040805143249.GA23967@elte.hu>
2004-08-05 18:36 ` Andrew Morton
2004-08-05 18:59 ` Rick Lindsley
2004-08-04 23:44 ` 2.6.8-rc2-mm2 performance improvements (scheduler?) Peter Williams
2004-08-04 23:59 ` Martin J. Bligh
2004-08-05 5:20 ` Rick Lindsley
2004-08-05 10:45 ` Ingo Molnar
[not found] <200408092240.05287.habanero@us.ibm.com>
2004-08-10 4:08 ` Andrew Theurer
2004-08-10 4:37 ` Con Kolivas
2004-08-10 15:05 ` Andrew Theurer
2004-08-10 20:57 ` Con Kolivas
2004-08-10 7:40 ` Rick Lindsley
2004-08-10 15:19 ` Andrew Theurer
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