linux-kernel - Re: [PATCH] Mention Intel Atom in Kconfig.cpu

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Message-ID: <20081013093014.607c5925@infradead.org>
Date:	Mon, 13 Oct 2008 09:30:14 -0400
From:	Arjan van de Ven <arjan@...radead.org>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Phil Endecott <phil_wueww_endecott@...zphil.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Mention Intel Atom in Kconfig.cpu

On Mon, 13 Oct 2008 15:30:51 +0200
Andi Kleen <andi@...stfloor.org> wrote:
> 
> > Core2 instruction set with tune=generic is still the best to set.
> 
> Not sure that is true. These option are mostly for the compiler.

exactly, and our benchmarks show that tune=generic is best right now
for Atom. 
(586 scheduling sounds nice, but the pipelines are rather different.
And the benchmarks don't lie..  ;-)


-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
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