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Date: Wed, 13 Nov 2013 00:18:40 +0400
From: Solar Designer <>
Subject: Re: bcrypt-parallella on 64-core (was: Katja's weekly report #13)

Hi Katja,

On Tue, Nov 12, 2013 at 07:33:04PM +0100, Katja Malvoni wrote:
> If I transfer keys only when changed, performance on E16 is 1207 c/s and on
> E64 it's 4812 c/s.
> And code seems to be reliable. I left "while :; do rm -f john.log john.pot;
> seq 0 49999 | sudo -E LD_LIBRARY_PATH=$LD_LIBRARY_PATH ./john -stdin
> -form=bcrypt-parallella ~/pw-bcrypt-2salt-50k 2>&1 > /dev/null | fgrep
> 0:00; done" running for half an hour, it cracked all hashes on both E16 and
> E64 system.

This is exciting news!  I recall you didn't expect to get all 64 cores
working for bcrypt on this chip (because of the errata).

Is the code committed?

Thank you!


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