Date: Sun, 23 Sep 2012 18:16:26 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: O3 vs O2 On 23 Sep, 2012, at 17:57 , Dhiru Kholia <dhiru.kholia@...il.com> wrote: > Hi, > > Using O3 results in a huge performance boost for OpenVMS format. > > ✗ ../run/john -fo:openvms -t # with O3 > Benchmarking: OpenVMS Purdy [32/64]... DONE > Raw: 1186K c/s real, 1186K c/s virtual > > ✗ ../run/john -fo:openvms -t # with O2 > Benchmarking: OpenVMS Purdy [32/64]... DONE > Raw: 753030 c/s real, 753030 c/s virtual > > Are there any known formats where using O3 results in lower performance? I believe there is, but I can't recall the details (and things might have changed anyway). Maybe there is some way to improve the code instead? magnum
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