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From: Fruhwirth Clemens <clemens@endorphin.org>
To: Andreas Steinmetz <ast@domdv.de>
Cc: Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>,
	James Morris <jmorris@redhat.com>,
	davem@davemloft.net, ak@suse.de
Subject: Re: [RFC][PATCH 0/4] AES assembler implementation for x86_64
Date: Thu, 28 Apr 2005 09:00:28 +0200	[thread overview]
Message-ID: <1114671628.13134.4.camel@ghanima> (raw)
In-Reply-To: <4262B6D4.30805@domdv.de>

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On Sun, 2005-04-17 at 21:19 +0200, Andreas Steinmetz wrote:
> Implementation:
> ===============
> The encrypt/decrypt code is based on an x86 implementation I did a while
> ago which I never published. This unpublished implementation does
> include an assembler based key schedule and precomputed tables. 

Nice work! Especially because I'm planing to get one of these x86_64
babies soon ;)

> If anybody has a better assembler solution for x86_64 I'll be pleased to
> have my code replaced with the better solution.

Jari Ruusu has a x86_64 implementation in his loop-AES package. It is
also based on Gladman's code.
http://loop-aes.sourceforge.net/loop-AES-latest.tar.bz2 aes-amd64.S

> Microbenchmark:
> ===============
> The microbenchmark was done in userspace with similar compile flags as
> used during kernel compile.

You might want to compare it to the one above.

Regards,
-- 
Fruhwirth Clemens - http://clemens.endorphin.org 
for robots: sp4mtrap@endorphin.org

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  parent reply	other threads:[~2005-04-28  7:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-17 19:19 [RFC][PATCH 0/4] AES assembler implementation for x86_64 Andreas Steinmetz
2005-04-18  7:50 ` James Morris
2005-04-18  8:45   ` Jörn Engel
2005-04-18  9:06     ` Andreas Steinmetz
2005-04-18 15:01     ` James Morris
2005-04-18  9:02   ` Andreas Steinmetz
2005-04-18  8:59 ` Andi Kleen
2005-04-18  9:03   ` Andreas Steinmetz
2005-04-28  7:00 ` Fruhwirth Clemens [this message]
2005-04-28  8:06   ` James Morris

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