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Date: Sun, 29 Dec 2013 20:52:12 +0500
From: Muhammad Junaid Muzammil <>
To: "" <>
Subject: John-dev over GPUs


I have added multi CUDA device option parsing to option.c and cu_common.h.
Currently, I am parsing at most 2 CUDA devices.

I haven't written the test cases for this functionality yet. I couldn't
find any documentation pertaining to unit tests. Is there any such


On Wed, Dec 11, 2013 at 12:27 AM, Muhammad Junaid Muzammil < <javascript:_e({}, 'cvml',
'');>> wrote:

> Hello,
> Thanks for the information. I'll come back to you shortly after going
> through the code and documentation.
> Regards,
> Junaid
> On Tuesday, December 10, 2013, magnum wrote:
>> On 2013-12-10 15:59, Muhammad Junaid Muzammil wrote:
>>> This is Junaid here. I am a newbie to to mailing list. I am pretty much
>>> interested in contributing for the john, the ripper specifically in the
>>> GPU
>>> computation domain. I do have some experience in working over GPUs using
>>> CUDA. I am unable to find any bug tracker list for john, the ripper. Any
>>> help from your side?
>> Welcome. We do have some CUDA core needs, eg. option parsing and format
>> support for using multiple CUDA devices.
>> The semi-official repo is here:
>> and currently the bleeding-jumbo branch (which is not the default) is
>> what you should use and write code for. We use GitHub issues as a crude bug
>> tracker, here:
>> Writing formats you should also have a look at the Test Suite:
>> magnum

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