linux-kernel - Re: [RFC][PATCH 00/26] sched/numa

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

On Mon, Apr 2, 2012 at 7:54 PM, Pekka Enberg <penberg@...nel.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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