linux-kernel - Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33

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Message-ID: <20091223172000.GK20539@basil.fritz.box>
Date:	Wed, 23 Dec 2009 18:20:00 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Chris Wright <chrisw@...hat.com>
Cc:	Avi Kivity <avi@...hat.com>, Andi Kleen <andi@...stfloor.org>,
	Ingo Molnar <mingo@...e.hu>,
	Anthony Liguori <anthony@...emonkey.ws>,
	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
	Gregory Haskins <gregory.haskins@...il.com>,
	kvm@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	netdev@...r.kernel.org,
	"alacrityvm-devel@...ts.sourceforge.net" 
	<alacrityvm-devel@...ts.sourceforge.net>
Subject: Re: [GIT PULL] AlacrityVM guest drivers for 2.6.33

> > >It seems like there's definitely still potential for improvement
> > >with messages<4K. But for the large messages they indeed
> > >look rather good.
> 
> You are misreading the graph.  At <4K it is tracking bare metal (the
> green and yellow lines are bare metal, the red and blue bars are virtio).
> At >4k we start to drop off (esp. on RX).

I see. True.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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