Date: Sat, 13 Oct 2012 16:52:56 -0400 From: Alain Espinosa <alainesp@...il.com> To: john-dev@...ts.openwall.com Subject: Re: bitslice DES on GPU On 10/13/12, Sayantan Datta <std2048@...il.com> wrote: > As a point of reference, what should be our targeted non-overhead speed? > For instance, Hashcat does 83.4M c/s in traditional-des. Hi Sayantan. I am implementing bitslice LM algorithm in GPU for the next version of Hash Suite. In an AMD HD 6450 i am benchmarking 80M when loading a lot of hashes(1000-10000) and 250M-300M for small hashes (less than 32) (oclhashcat get 24M). Yet there is room for improvements, the ALUBusy is ~60%-70%. So i can probably double the speed for small hashes, and get 3x-4x speedup for a lot of hashes. In my opinion the target speed of a bitslice LM GPU implementation is near Hashcat NTLM speed. saludos, alain
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