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Message-ID: <20110508222404.GA18652@openwall.com>
Date: Mon, 9 May 2011 02:24:04 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: AVX in Intel Sandy Bridge
On Fri, May 06, 2011 at 09:58:10AM +0200, bartavelle wrote:
> On 05/05/2011 21:50, Solar Designer wrote:
> > I gave it a try yesterday, on a Core i7-2600K, non-overclocked (3.4 GHz
> > standard, up to 3.8 GHz Turbo Boost), Ubuntu 11.04, x86_64, Ubuntu's gcc
> > 4.5.2. No luck.
>
> I have no Sandy Bridge available to test this, but it might be good idea
> to check the code gcc generated to see if it is "obviously" bad. If it
> is, it might be a good idea to check clang and icc results.
Good point. I am not going to revisit this until I replace the S-box
expressions (which is planned anyway), but you (or anyone else) may.
I've just committed the 256+128 code, so it's available via anoncvs and
may be enabled by editing an "#elif 0" in x86-64.h.
http://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/john/john/src/
Alexander
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