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Date: Mon, 2 Apr 2012 20:12:01 +0300
Message-ID: <CAOJsxLHYoAtxvcW1B47jGm4GYZpc1vB6+ovyCk0njU4LFXsaAg@mail.gmail.com>
Subject: Re: [RFC][PATCH 00/26] sched/numa
From: Pekka Enberg <penberg@kernel.org>
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To: Rik van Riel <riel@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Andrea Arcangeli <aarcange@redhat.com>, Avi Kivity <avi@redhat.com>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>, Paul Turner <pjt@google.com>, Suresh Siddha <suresh.b.siddha@intel.com>, Mike Galbraith <efault@gmx.de>, "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>, Lai Jiangshan <laijs@cn.fujitsu.com>, Dan Smith <danms@us.ibm.com>, Bharata B Rao <bharata.rao@gmail.com>, Lee Schermerhorn <Lee.Schermerhorn@hp.com>, Johannes Weiner <hannes@cmpxchg.org>, linux-kernel@vger.kernel.org, linux-mm@kvack.org

On Mon, Apr 2, 2012 at 7:54 PM, Pekka Enberg <penberg@kernel.org> wrote:
> Sure, it's probably going to help for the kinds of workloads you're
> describing. I'm just wondering how typical they are in the real world.

I don't have a NUMA machine to test this with but it'd be interesting
to see how AutoNUMA and sched/numa affect DaCapo benchmarks:

http://dacapobench.org/

I guess benchmarks that represent typical JVM server workloads are
tomcat and tradesoap. You can run them easily with this small shell
script:

#!/bin/sh

JAR=dacapo-9.12-bach.jar

if [ ! -f $JAR ];
then
  wget http://sourceforge.net/projects/dacapobench/files/9.12-bach/$JAR/download
fi

java -jar $JAR tomcat tradesoap | grep PASSED

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