linux-kernel - Re: Mainline kernel OLTP performance update

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Date:	Fri, 23 Jan 2009 19:33:08 +1100
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Andi Kleen <andi@...stfloor.org>,
	Matthew Wilcox <matthew@....cx>,
	Andrew Morton <akpm@...ux-foundation.org>,
	netdev@...r.kernel.org, sfr@...b.auug.org.au,
	matthew.r.wilcox@...el.com, chinang.ma@...el.com,
	linux-kernel@...r.kernel.org, sharad.c.tripathi@...el.com,
	arjan@...ux.intel.com, suresh.b.siddha@...el.com,
	harita.chilukuri@...el.com, douglas.w.styner@...el.com,
	peter.xihong.wang@...el.com, hubert.nueckel@...el.com,
	chris.mason@...cle.com, srostedt@...hat.com,
	linux-scsi@...r.kernel.org, andrew.vasquez@...gic.com,
	anirban.chakraborty@...gic.com
Subject: Re: Mainline kernel OLTP performance update

On Friday 23 January 2009 14:02:53 Zhang, Yanmin wrote:

> 1) If I start CPU_NUM clients and servers, SLUB's result is about 2% better
> than SLQB's;

I'll have to look into this too. Could be evidence of the possible
TLB improvement from using bigger pages and/or page-specific freelist,
I suppose.

Do you have a scripted used to start netperf in that configuration?

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