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Message-ID: <e423099b4698cb1bf39a76ec0dadcc05@smtp.hushmail.com>
Date: Tue, 15 Sep 2015 09:57:18 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Judy array
On 2015-09-15 05:40, Solar Designer wrote:
> This saves 4 seconds, but only when -mem=999999999 is also used:
>
> -WordlistMemoryMap = Y
> +WordlistMemoryMap = N
FWIW we have -mem=0 as a (somewhat backwards) shortcut for "no limit".
We could probably default to not mmap when that other buffer is used.
Using mmap doesn't make much sense then anyway (but I never saw any hit
from it so I opted for simplicity).
> I think there might still be wordlist duplicate suppression going on.
> It would be nice to try disabling it.
It may currently come with that memory buffer. I'll see what I can do.
> The addition of source() method for raw-md5 helps a lot. Without it,
> and without the copy-on-write avoidance in cracker.c, I couldn't run
> 8 processes on this machine without it getting into swap. Perhaps we
> should add source() to more formats.
I dropped source() from a few formats when I added reversing steps. I
think I was confused: You can't have source() with a reduced binary -
but reversing steps does not mandate a reduced binary.
magnum
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