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Date: Wed, 22 Feb 2012 20:36:31 +0100
From: magnum <>
Subject: Re: Sorted format list

On 02/22/2012 10:05 AM, Frank Dittrich wrote:
> On 02/22/2012 12:06 AM, Solar Designer wrote:
>> How about we introduce some code to have the standard (non-GPU) format
>> names recognized, but turned into their GPU-enabled equivalents (most
>> optimal ones for the current build running on the current hardware) if
>> the --gpu option is passed?  For example,
>> john --format=md5 passwd # use CPU
>> john --format=md5 --gpu passwd # use any GPU if available and supported
>> john --format=md5 --gpu=2 passwd # use a specific GPU
>> john --format=cryptmd5-opencl passwd # force OpenCL even on NVidia
> I'd prefer a general option in the config file instead of a command line
> option. This would allow a session that started with GPU to be continued
> on another computer without GPU and vice versa, without manually editing
> the .rec file.

It would anyway if implemented as written above, "if available and
supported". The non-GPU computer would just ignore the option and run CPU.


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