Date: Thu, 12 Apr 2012 17:32:36 +0800 From: myrice <qqlddg@...il.com> To: john-dev@...ts.openwall.com Subject: Re: Reverse steps for single round sha(sha-1, sha256/384/512) Hi, Solar, Samuele, all I just test it with reducing the 80 iterations to 77 in sha512, here is the result(GTX580, BLOCKS 32, THREADS 512, ITERATION(MAX_KEYS_PER_CRYPT / KEYS_PER_CRYPT): 128) Before: Many salts: 71827K c/s real, 71116K c/s virtual Only one salt: 27787K c/s real, 27787K c/s virtual After: Benchmarking: Mac OS X 10.7+ salted SHA-512 [CUDA]... DONE Many salts: 74186K c/s real, 74186K c/s virtual Only one salt: 27787K c/s real, 27512K c/s virtual ~3.3％ improvement Need more iteration reduction. Content of type "text/html" skipped
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