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Date: Mon, 4 Feb 2013 01:02:55 +0100
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: NetNTLMv1

On 3 Feb, 2013, at 22:32 , magnum <john.magnum@...hmail.com> wrote:
> On 3 Feb, 2013, at 8:10 , Solar Designer <solar@...nwall.com> wrote:
> I get speeds over 8.8G c/s for many salts with one core SSE2 on my laptop i7. On Bull it's about 6.5G c/s with current settings.

> I can't get OMP+SIMD to do good at all. I think when I achieved 80M c/s for NT2, it was with 2 cores of an i7-3820 and a pretty high BLOCK_LOOPS.



Well it's not very efficient, but it works:

Benchmarking: NTLMv1 C/R MD4 DES (ESS MD5) [128/128 SSE2 intrinsics 12x]... (4xOMP) DONE
Many salts:	13141M c/s real, 8111M c/s virtual
Only one salt:	53581K c/s real, 32671K c/s virtual

This is on 2.3 GHz i7. BLOCK_LOOPS is 1536. Using the HT crap (8xOMP) just slows it down.

Almost 1000x the J7 speed with 8xOMP at 13484K c/s. The HT does a little good in that version.


BTW, the same BLOCK_LOOPS for NT2 give a fair boost too (same "slow" laptop):

Benchmarking: NT MD4 [128/128 SSE2 intrinsics 12x]... (4xOMP) DONE
Raw:	66373K c/s real, 36670K c/s virtual


magnum

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