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Message-ID: <20111111161144.GA27177@openwall.com>
Date: Fri, 11 Nov 2011 20:11:44 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: jumbo rebased on current CVS
On Fri, Nov 11, 2011 at 02:14:05PM +0100, magnum wrote:
> To be a little more specific, these builds were tested:
> linux-x86-64
> linux-x86-64 with omp (== intrinsics, right?)
> linux-x86-mmx
> linux-x86-sse2
> linux-x86-any
> generic [64/64 BS]
>
> They all pass with and without jumbo applied. The 32-bit builds were
> actually cross compiled and tested on x64. I can't test AVX nor XOP stuff.
>
> With jumbo applied, all builds were also tested for correct -encoding
> support, ie. LM upper-casing of selected codepage.
Sounds great. Thank you!
As to testing AVX, you can by using Intel SDE:
http://software.intel.com/en-us/articles/intel-software-development-emulator/
"This version includes support for SSE4, AES and PCLMULQDQ and the Intel
AVX and AVX2 instructions."
No, you don't have to actually re-test LM in this way - I think the
testing you performed is sufficient, and I did test AVX builds on 7-bit
LM passwords.
I am unaware of an equivalent for XOP, unfortunately. AMD's SimNow
appears to emulate an entire system only (so is more difficult to use)
and it appears to lack XOP support at this time anyway.
http://developer.amd.com/tools/simnow/Pages/default.aspx
Alexander
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