linux-kernel - Re: [ck] Re: SD still better than CFS for 3d ?

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Message-ID: <20070801075005.GM3972@stusta.de>
Date:	Wed, 1 Aug 2007 09:50:05 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Matthew Hawkins <darthmdh@...il.com>
Cc:	Roland Dreier <rdreier@...co.com>,
	Christoph Hellwig <hch@...radead.org>,
	Jacob Braun <jwbraun@...il.com>,
	kriko <kristjan.ugrin@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-mm@...ck.org, Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [ck] Re: SD still better than CFS for 3d ?

On Wed, Aug 01, 2007 at 04:19:36PM +1000, Matthew Hawkins wrote:
> On 8/1/07, Adrian Bunk <bunk@...sta.de> wrote:
> > But there's not much value in benchmarking if an important part of the
> > performance critical code is in some undebuggable driver...
> 
> In this case we don't care about the performance of the video driver.
> This isn't a race to see who can get the most fps.  The driver can be
> thought of as a black box so long as comparative benchmarks are done
> with the same driver.
>...

What if your "black box" e.g. uses the BKL?

> Matt

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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