Date: Sat, 25 Apr 2015 20:41:54 +0200 From: Agnieszka Bielec <bielecagnieszka8@...il.com> To: john-dev@...ts.openwall.com Subject: Re: [GSoC] John the Ripper support for PHC finalists 2015-04-25 20:10 GMT+02:00 Solar Designer <solar@...nwall.com>: > if we managed to move some of the > processing (that is key specific but not salt specific) out of the > actual hash function and into set_key(). If much processing could be > moved like that, it'd indicate a weakness of the PHC finalist. None of > them should have design errors allowing for that. So my question is: > are the "many salts" vs. "only one salt" benchmark results significantly > different for any cost settings on any devices currently (and can you > please post specific numbers)? If so, this may need to be investigated. on well with AVX2 I receive results: a@...l:~/jtr2/run$ ./john --test --format=pomelo --cost=0:0,0:0 Will run 8 OpenMP threads Benchmarking: POMELO, Generic pomelo [AVX2]... (8xOMP) DONE Speed for cost 1 (N) of 0, cost 2 (r) of 0 Many salts: 1704K c/s real, 213274 c/s virtual Only one salt: 1055K c/s real, 132053 c/s virtual the difference is biggest for 0,0 costs also for 2,0 and 0,2 is a difference of 24% and 17% at this moment I don't know why this happens
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