Date: Sat, 11 Apr 2015 21:05:49 +0200 From: Agnieszka Bielec <bielecagnieszka8@...il.com> To: john-dev@...ts.openwall.com Subject: Re: [GSoC] John the Ripper support for PHC finalists 2015-04-11 20:02 GMT+02:00 magnum <john.magnum@...hmail.com>: > On 2015-04-11 16:39, Solar Designer wrote: >> On Thu, Apr 09, 2015 at 06:34:26PM +0200, magnum wrote: >>> md5crypt (opencl_cryptmd5_fmt_plug.c) would be an excellent base for a >>> single-kernel format. Is there any chance Pomelo would benefit from a >>> split/loop kernel? >> >> Definitely. PHC finalists are expected to often be tuned to defensive >> running times of 100 ms or more (including multiple seconds), and this >> may be many seconds of latency on GPUs with their high concurrency and >> lower clock rates. >> >> We'll use lower cost settings when determining the CPU/GPU parity >> thresholds, which is one of the goals of this projects, but other than >> that the formats should work for high cost settings as well. >> >> So perhaps opencl_cryptmd5_fmt_plug.c isn't a good long-term choice to >> use as a base for these new formats, although it'd probably work for our >> initial experiments and it may be simpler. >> >> magnum, what base format would you suggest for a new split kernel format? > > RAR5 might be a clean base. Many of the other ones support vectorizing > (decided at run-time) so are somewhat more complex (although that might > be interesting for Pomelo too?). I suspect some of Claudio's formats > might be a good start too, I haven't looked much at them as he actively > maintains them himself. you mean only opencl version? or also non-opencl? thanks
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.