Date: Thu, 11 Sep 2014 09:54:39 +0200 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: nVidia Maxwell support (especially descrypt)? On 2014-09-11 09:02, Royce Williams wrote: > Because of the $150 price and relatively low power requirements (~60W, > no extra power connector needed) of the new nvidia Maxwell (GTX 750 > and 750 Ti) cards, and my own interest in descrypt, I'm interested in > seeing JtR take advantage of Maxwell if feasible. As long as you have OpenCL drivers for it, it's supposed to work and any device-specific problems would be a bug (albeit not always "our" bug, I recently worked around some really silly bugs in latest AMD drivers). > I know that descrypt isn't exactly the hottest topic, but it might be > easy to use it as a Maxwell test case. BTW I just dropped the DEScrypt-opencl format to the broken/ subdirectory because it keeps giving me problems. For example, it fails building under later AMD drivers due to excessive use of 'goto'. Some other drivers commit suic^Wsegfault while trying to sort it out. I believe using goto in an OpenCL kernel is really begging for problems. To use it, simply move the files back from src/broken to src, reconfigure and re-build. I hope Sayantan will fix it (as well as the memory leak discussed before) at some point in time. magnum
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