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Date: Thu, 8 Mar 2007 11:06:04 +0100
From: "Alain Espinosa" <alainesp@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: New NT patch
Revision #5
- Now passwords are trying in blocks of lenght 40-64. This speedup the
performance (not in the benchmark, in the "real" c/s),particularly in
the incremental mode with near a 30%.
- Add SSE2 code with a speedup of 20% over C code. Note that "plain"
SSE2 code are a little bit bad that C code because the emulation of
the rotate instruction that dont exist in SSE2 (gcc are smart enough
to produce rotate instruction in the C code). The speedup is because i
intermix SSE2 code with x86 code trying 5 passwords in parallel.
I am now working in the x86-64 code.
--
alain
View attachment "john-1.7.2-ntlm-alainesp-5.diff.txt" of type "text/plain" (24786 bytes)
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