Date: Tue, 10 Dec 2013 00:28:46 +0100 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: md5crypt-opencl On 2013-12-10 00:01, Lukas Odzioba wrote: > 2013/11/26 Lukas Odzioba <lukas.odzioba@...il.com>: >> After removing PUTCHAR(0x80) from md5_digest(): >> Tahiti@...er: 2660K c/s >> TITAN: 2621K c/s >> GTX 570: 1198K c/s >> Tahiti@...l: 2359K c/s >> >> >> I'll try to get rid of 8-bit r/w now. > > Just a small status update. I implemented that, there is no big > difference when passlength%8==0 and saltlength%8==0 (best case > scenario), but there is a significant difference when rw's are not > aligned. > (...) The cherry-picked test vectors are totally cheating so this is a great improvement. > This week I am planning to play a bit with local memory. Great. Would it be too much work for you to post a complete patch (assuming it seems stable) with your current code first, for committing? I'd like a few milestones rather than a giant untracked leap. Eventually we should come up with an idea how to best (quick, simple, safe) sort candidates per length. This would be a very good boost for rar-opencl too but I have yet to come up with an idea simple enough to be interesting. I really want it simple and beautyful or I'll leave it alone. magnum
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