linux-kernel - Re: [PATCH 00/31] numa/core patches

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Message-ID: <20121103122157.GH8218@suse.de>
Date:	Sat, 3 Nov 2012 12:21:57 +0000
From:	Mel Gorman <mgorman@...e.de>
To:	Alex Shi <lkml.alex@...il.com>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Rik van Riel <riel@...hat.com>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 00/31] numa/core patches

On Sat, Nov 03, 2012 at 07:04:04PM +0800, Alex Shi wrote:
> >
> > In reality, this report is larger but I chopped it down a bit for
> > brevity. autonuma beats schednuma *heavily* on this benchmark both in
> > terms of average operations per numa node and overall throughput.
> >
> > SPECJBB PEAKS
> >                                        3.7.0                      3.7.0                      3.7.0
> >                               rc2-stats-v2r1         rc2-autonuma-v27r8         rc2-schednuma-v1r3
> >  Expctd Warehouse                   12.00 (  0.00%)                   12.00 (  0.00%)                   12.00 (  0.00%)
> >  Expctd Peak Bops               442225.00 (  0.00%)               596039.00 ( 34.78%)               555342.00 ( 25.58%)
> >  Actual Warehouse                    7.00 (  0.00%)                    9.00 ( 28.57%)                    8.00 ( 14.29%)
> >  Actual Peak Bops               550747.00 (  0.00%)               646124.00 ( 17.32%)               560635.00 (  1.80%)
> 
> It is impressive report!
> 
> Could you like to share the what JVM and options are you using in the
> testing, and based on which kinds of platform?
> 

Oracle JVM version "1.7.0_07"
Java(TM) SE Runtime Environment (build 1.7.0_07-b10)
Java HotSpot(TM) 64-Bit Server VM (build 23.3-b01, mixed mode)

4 JVMs were run, one for each node.

JVM switch specified was -Xmx12901m so it would consume roughly 80% of
memory overall.

Machine is x86-64 4-node, 64G of RAM, CPUs are E7-4807, 48 cores in
total with HT enabled.

-- 
Mel Gorman
SUSE Labs
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