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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