linux-kernel - Re: Specific support for Intel Atom architecture

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Message-ID: <49FD3E56.3010803@zytor.com>
Date:	Sat, 02 May 2009 23:48:54 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Willy Tarreau <w@....eu>
CC:	Ingo Molnar <mingo@...e.hu>,
	Tobias Doerffel <tobias.doerffel@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arjan van de Ven <arjan@...radead.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Specific support for Intel Atom architecture

Willy Tarreau wrote:
>>
>> $(call cc-option,-march=atom,-march=i686)
> 
> if it's an in-order architecture, wouldn't it be better to tune for i386
> or i486 instead ?
> 

Possibly.  It would be worth measuring.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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