linux-kernel - Re: [PATCH] drm: Add a driver for kvm emulated Cirrus

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Message-ID: <20110419173830.GA22955@srcf.ucam.org>
Date:	Tue, 19 Apr 2011 18:38:30 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	airlied@...ux.ie, Matt Turner <mattst88@...il.com>
Subject: Re: [PATCH] drm: Add a driver for kvm emulated Cirrus

On Mon, Apr 18, 2011 at 10:20:13PM +0100, Matthew Garrett wrote:
> On Mon, Apr 18, 2011 at 10:03:06PM +0100, Alan Cox wrote:
> > So has this been benchmarked - intuitively I'd agree and expect that a
> > shadowfb driver ought to give best performance.
> 
> No, but it's noticably nicer to use under virt-manager. I'll try to come 
> up with some numbers.

x11perf shows it winning on every benchmark, with results ranging from 
10% to >20000% higher.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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