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Date: Wed, 30 Oct 2013 15:39:12 +0400
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: FW: John 1.8.0 format options
Danis,
On Wed, Oct 30, 2013 at 01:19:24PM +0200, Danis Petkakis wrote:
> First of all thank you for your detailed answer. I saw the options for Openmp in the Makefile, but right
> now i'm using john-1.8.0 with --fork option. I have a recent version of ubuntu (13.10), so i guess i will be
> fine concerning the latest libcrypt library used to compile john.
That's fine. Like I said, you may obtain some speedup by going with
jumbo, but you don't have to.
> If i enabled the openmp flags in the
> Makefile and built john again, do you think it would make a bigger difference compared to the way i'm
> using it right now (I'm using it with --fork option at the moment)?
Most likely, no. You might find OpenMP more convenient (just one status
line instead of a line per core, etc.)
> Could you give an example of how I
> should run john with OpenMP instead of --fork? Something like this (which i found in a different post)
> " OMP_NUM_THREADS=4 ../run/john passwd" would suffice?
You don't have to specify OMP_NUM_THREADS explicitly, unless there is a
specific reason to do so. You just run "./john passwd" (when you're in
the run directory).
Alexander
P.S. You happened to start a new thread with your reply, instead of
replying to the existing thread. (This makes a difference e.g. for
those browsing the web-based archives of the list.) Perhaps this
happened because you used the "forward" feature in your e-mail client,
instead of "reply". Please use "reply" when replying.
Also, if you don't mind, please quote inline rather than top-post:
http://www.complang.tuwien.ac.at/anton/mail-news-errors.html
http://www.netmeister.org/news/learn2quote.html
Finally, you might want to reconfigure your e-mail client to wrap lines
at a length like 72. You're now wrapping at a 100-something length.
I understand that not everyone is familiar with mailing list etiquette,
especially these days, hence I occasionally include bits of friendly
advice like this.
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