Date: Sat, 5 Oct 2019 13:44:52 +0200 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: OpenCl on mesa amd On 2019-10-04 12:31, Bernd Roehmer wrote: > I just installed opencl-mesa and ocl-icd on Manjaro and as well as john > 1.9.0.jumbo1-2. > > I tried to test rar password cracking with the built in test but I am > running into error messages: We've seen many bugs in the MESA runtime and the RAR-opencl format is very well tested so I suspect you're seeing bugs in MESA. > Any ideas what I can do now? Running the test without opencl works > without a problem. Are you running latest'n'greatest MESA? While I really hope MESA and pocl eventually evolve to good stuff, your best bet is probably trying a proprietary driver. They can be installed side by side BTW. > I am curious why john opens 12 OpenMP processes, when it is supposed to > use the gpu. My cpu has 12 cores. The RAR-opencl format and very few others have some post-processing on CPU (if all early-reject tests pass) because the actual "unrar" code is more or less impossible to implement on GPU. magnum
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