Date: Tue, 19 Dec 2017 11:32:27 +0100 From: Solar Designer <solar@...nwall.com> To: Mounir Belhniyene <mobelhniyene@...il.com> Cc: john-users@...ts.openwall.com Subject: Re: OpenMP Hi, On Tue, Dec 19, 2017 at 09:40:07AM +0000, Mounir Belhniyene wrote: > I want to enable OpenMP at jtr-1.8.0-jumbo-1 , I've tried a lot of > tutorials and documentaion isn't enogh. I still get OpenMP diabled during > cracking password OpenMP is normally enabled automatically during build of jumbo, if supported by your compiler (and it almost certainly is), except for a subset of "formats" where it's either not supported by JtR or is so inefficient that we choose to disable it by default. Can you show an example (copy & paste from your terminal) of OpenMP staying disabled during cracking? Starting with the "john" command line and ending with a status line printed on a keypress - and including everything inbetween. If your actual goal is to crack your passwords faster, rather than to enable OpenMP just for the sake of it, you'd want to try "--fork=N" instead (where N should be the number of logical CPUs in your system). It generally provides greater efficiency. This isn't your issue, but FYI we currently strongly recommend bleeding-jumbo off GitHub over the 1.8.0-jumbo-1 release, which is getting rather old (we ought to make a new numbered release soon). Also, you don't appear to be subscribed to john-users. You might want to subscribe so that you don't miss possible replies by others. Alexander
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