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Message-ID: <20131110054834.GE25489@openwall.com>
Date: Sun, 10 Nov 2013 09:48:34 +0400
From: Solar Designer <solar@...nwall.com>
To: john-dev@...ts.openwall.com
Subject: Re: ZedBoard: bcrypt
On Wed, Nov 06, 2013 at 12:45:28PM +0100, Katja Malvoni wrote:
> On Tue, Nov 5, 2013 at 11:22 PM, Solar Designer <solar@...nwall.com> wrote:
> > On Tue, Nov 05, 2013 at 05:21:10PM +0100, Katja Malvoni wrote:
> > > Register: 5%
> > > LUT: 41%
> > > Slice: 66%
> > > RAMB36E1: 6%
> > > RAMB18E1: 1%
> > > BUFG: 3%
> > > With these numbers there is no point in trying to find bug(s).
> > > I'll try to redesign current implementation.
> >
> > Are these numbers for one core (two instances of bcrypt)? Ouch.
>
> Yes, that is correct. I tried to reduce initialization code but it didn't
> help much - LUT: 39%, Slice: 63%
Can you identify what most LUTs are used for? In fact, can you answer
the same question also for your older one-instance-per-core code?
Alexander
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