Date: Thu, 25 Jul 2013 04:04:26 +0200 From: Lukas Odzioba <lukas.odzioba@...il.com> To: john-dev@...ts.openwall.com Subject: Re: PBKDF2-HMAC-SHA256 2013/7/24 Solar Designer <solar@...nwall.com>: > Oh, I guess this speed difference has nothing to do with 7990 vs. 7970, > but is about Catalyst version and clock rate differences (which we're > tuning on the 7990 to prevent its GPU 0 from overheating - so you'd get > different speeds on GPU 0 vs. GPU 1). You need to check the current > clock rates before considering the performance numbers you obtain. Sure you're right. Posting 7990 results was unecessary in this case. BTW not surprisingly PBKDF2-SHA512 results are much slower: 6950: 2460 c/s Titan: 2269 c/s More details on that later. Lukas
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