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Date: Thu, 12 Apr 2007 06:23:37 +0200
From: Olaf Hering <olaf@aepfle.de>
To: Segher Boessenkool <segher@kernel.crashing.org>
Subject: Re: [patch 3/3] cell: prevent alignment interrupt on local store
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Cc: Arnd Bergmann <arnd@arndb.de>, linuxppc-dev@ozlabs.org,
	Paul Mackerras <paulus@samba.org>,
	Akinobu Mita <mita@fixstars.com>, cbe-oss-dev@ozlabs.org
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On Wed, Apr 11, Segher Boessenkool wrote:

> This isn't just a kernel issue either; the same holds
> for all of userspace.  It seems to me the only way to
> get good performance on both Cell and all other platforms
> is to have a separate binary distribution for Cell.

How much will this impact performance on a 970, 74xx or POWER6 if
everything gets compiled with '--mcpu=$cell', compared to what is used
today? One gets at least altivec that way.