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Date: Sun, 20 Sep 2015 07:05:06 -0700
From: Fred Wang <>
Subject: Re: Judy array

On Sep 20, 2015, at 12:28 AM, Solar Designer <> wrote:

> Can you give the current JtR (in magnum's repo on GitHub) a try?
> We need to figure out the number of cracks discrepancy.  I am getting
> 1709703 in all of these tests, so I don't know why you only got
> 1481414.  (We'll also need to figure out the smaller 1710650 vs. 1709703
> discrepancy later.)

Cloned, and built clean.  I still don't see the same answers as you.

./john --format=raw-md5 --wordlist=/big/words/10m.pass --rules=best64 --pot=foo.pot 29m.txt
wc -l foo.pot 

./john --format=raw-md5 --pot=foo.pot --show 29m.txt >29m.res
tail -2 29m.res
1707727 password hashes cracked, 27304531 left

I've put foo.pot and 29m.res in a 7z archive for you:

> Also, why do you only go for up to 32 threads?  2x E5-2680v2 has 40
> hardware threads (10 physical cores per CPU chip).  How many are seen in
> /proc/cpuinfo for you?  I used 32 threads on our 2x E5-2670v1 because
> these are older v1 chips here.

Because I was using an AWS instance, so I could have a completely idle environment to test in.

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