Date: Sat, 21 Sep 2013 17:22:03 +0200 From: Katja Malvoni <kmalvoni@...il.com> To: john-dev@...ts.openwall.com Subject: Re: ZedBoard / Parallella: bcrypt Hi Alexander, On Sat, Sep 21, 2013 at 12:36 AM, Solar Designer <solar@...nwall.com> wrote: > Yes, something weird is going on. Can you calculate the expected c/s > rate for your current bcrypt IP core e.g. at 100 MHz, then figure out > the actual clock rates from that? Computation takes 2779846 clock cycles so expected c/s rate is 54 c/s for 150 MHz and 36 c/s for 100 MHz (not including communication overhead). Clock rate influences communication as well because DMA and buses are connected to the same clock as bcrypt IP. > What's the maximum clock rate for > which timing constraints are met? > I don't know yet, I'm trying 125 MHz at the moment. Katja Content of type "text/html" skipped
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