Openwall GNU/*/Linux - a small security-enhanced Linux distro for servers
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Date: Mon, 19 May 2014 22:00:18 +0000
From: yungai <BM-2DBq3nJF7GXKr6Nk6EHzvxxGBec6gQn2NB@...message.ch>
To: john-users@...ts.openwall.com
Subject: Re: memory issues: john is eating it all (descrypt-opencl)

> Yes, descrypt-opencl appears to be leaking memory.  In the recent
> contest, I was running "--format=descrypt-opencl --fork=4" on a 7970
> (the --fork=4 results in much greater performance at this format, since
> otherwise the GPU would stay mostly idle waiting for data from host).
> This consumed about 6 GB of RAM (about 1.5 GB per forked process) in
> about 10 hours.  I was going to report it to Sayantan on john-dev, but
> you were quicker to bring the same issue up.

Thank you for your fast reply.

I'm running a similar setup (--fork=2 on a 7990).
After reading your post I'm wondering if I should run --fork=8 instead? :)


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