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Date: Sun, 15 Mar 2015 04:20:25 +0300
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: AVX2

On Sun, Mar 15, 2015 at 04:09:32AM +0300, Solar Designer wrote:
> On our i7-4770K, before:
> 
> solar@...l:~/j/john-1.8.0.4.orig/src$ ../run/john -te -form=descrypt
> Will run 8 OpenMP threads
> Benchmarking: descrypt, traditional crypt(3) [DES 128/128 AVX-16]... DONE
> Many salts:     25087K c/s real, 3139K c/s virtual
> Only one salt:  20375K c/s real, 2550K c/s virtual
> 
> After:
> 
> solar@...l:~/j/john-1.8.0.4-avx2/src$ ../run/john -te -form=descrypt
> Will run 8 OpenMP threads
> Benchmarking: descrypt, traditional crypt(3) [DES 256/256 AVX2-16]... DONE
> Many salts:     43489K c/s real, 5443K c/s virtual
> Only one salt:  30002K c/s real, 3755K c/s virtual

and even:

Benchmarking: descrypt, traditional crypt(3) [DES 256/256 AVX2-16]... DONE
Many salts:     44820K c/s real, 5609K c/s virtual
Only one salt:  32001K c/s real, 4006K c/s virtual

with DES_bs_cpt reduced from 32 to 16.

Alexander

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