Date: Wed, 30 Oct 2013 13:21:57 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: ZedBoard: bcrypt Katja, On Sat, Oct 26, 2013 at 11:11:53PM +0200, Katja Malvoni wrote: > Only 14 cores fit, performance is 311 c/s (100 MHz clock). > These are utilization numbers: > Register: 19% > LUT: 91% > Slice: 98% > RAMB36E1: 11% > RAMB18E1: 5% > DSP48E1: 6% > BUFG: 3% Ouch. There ought to be ways to greatly reduce LUT (and slice) usage per core. For now, though, I suggest that you focus on higher-level optimizations as I mentioned in my previous reply (to your later update). In the utilization numbers above, do Blowfish's P-boxes count towards "Register: 19%"? Thanks, Alexander
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