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Message-ID: <d5889c592199e3e2b6fec3db59e96b23@smtp.hushmail.com>
Date: Tue, 08 Jul 2014 23:08:30 +0200
From: magnum <john.magnum@...hmail.com>
To: john-users@...ts.openwall.com
Subject: Re: Possible bug in zip_fmt_plug.c, bleeding edge
On 2014-07-07 15:39, jfoug wrote:
> There is a new updated zip-aes format. Currently, it is only implemented on
> the CPU side.
OpenCL version is committed now too. Very little tested as of yet. I
will (probably soon) change it to use a split loop kernel and auto-tune.
Until then, try manually setting GWS so it ends up 0.2-0.5 of the
resulting c/s speed. This means each kernel run is 200-500 ms so you
don't end up hitting a watchdog timer or lose your desktop.
$ GWS=$((128*1024)) OMP_NUM_THREADS=8 ../run/john -dev=0
-form:zip-opencl -test
Will run 8 OpenMP threads
Device 0: Tahiti
Local worksize (LWS) 64, Global worksize (GWS) 131072
Benchmarking: zip-opencl, ZIP [PBKDF2-SHA1 AES OpenCL]... (8xOMP) DONE
Raw: 278876 c/s real, 164525 c/s virtual
magnum
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