From: Olaf Hering <olaf@aepfle.de>
To: Segher Boessenkool <segher@kernel.crashing.org>
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
Subject: Re: [patch 3/3] cell: prevent alignment interrupt on local store
Date: Thu, 12 Apr 2007 06:23:37 +0200 [thread overview]
Message-ID: <20070412042337.GA21832@aepfle.de> (raw)
In-Reply-To: <ffb78cbadfea8d104c8e5d495e9651ca@kernel.crashing.org>
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.
next prev parent reply other threads:[~2007-04-12 4:23 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-10 11:15 [patch 3/3] cell: prevent alignment interrupt on local store Akinobu Mita
2007-04-10 12:52 ` Segher Boessenkool
2007-04-11 3:06 ` Akinobu Mita
2007-04-10 21:22 ` Benjamin Herrenschmidt
2007-04-11 2:56 ` Akinobu Mita
2007-04-11 3:30 ` Benjamin Herrenschmidt
2007-04-11 21:03 ` Segher Boessenkool
2007-04-12 4:23 ` Olaf Hering [this message]
2007-04-12 5:26 ` Benjamin Herrenschmidt
2007-04-12 6:33 ` Olaf Hering
2007-04-12 6:38 ` Benjamin Herrenschmidt
2007-04-12 8:31 ` Gabriel Paubert
2007-04-12 8:48 ` Benjamin Herrenschmidt
2007-04-12 6:50 ` Segher Boessenkool
2007-04-12 6:57 ` [Cbe-oss-dev] " Michael Ellerman
2007-04-12 7:07 ` Segher Boessenkool
2007-04-12 18:43 ` Arnd Bergmann
2007-04-12 18:55 ` Arnd Bergmann
2007-04-12 19:57 ` Segher Boessenkool
2007-04-12 19:52 ` Segher Boessenkool
2007-04-12 13:01 ` [RFC, PATCH] selection of CPU optimization Arnd Bergmann
2007-04-12 16:45 ` Kumar Gala
2007-04-12 17:26 ` [Cbe-oss-dev] " Arnd Bergmann
2007-04-12 18:17 ` Kumar Gala
2007-04-12 19:25 ` Arnd Bergmann
2007-04-12 20:04 ` Olof Johansson
2007-04-12 20:01 ` Segher Boessenkool
2007-04-12 20:22 ` Olof Johansson
2007-04-12 20:22 ` Segher Boessenkool
2007-04-12 19:50 ` Segher Boessenkool
2007-04-13 0:10 ` Arnd Bergmann
2007-04-13 2:03 ` Olof Johansson
2007-04-13 18:43 ` Segher Boessenkool
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