Date: Mon, 11 Nov 2013 12:30:23 +0100 From: Katja Malvoni <kmalvoni@...il.com> To: john-dev@...ts.openwall.com Subject: Re: ZedBoard: bcrypt On Sun, Nov 10, 2013 at 6:48 AM, Solar Designer <solar@...nwall.com> wrote: > 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? > I can't tell exactly because nets are renamed during implementation so for most of them I don't know from which part of code they come. This is for one-instance-per-core, only one core: In LUTs.png - bcrypt is green, AXI buses are pink, BRAM controller is yellow and CDMA is red. In LUTs_bcrypt.png - arbiter is yellow, bcrypt loop is green Katja Content of type "text/html" skipped Download attachment "LUTs.png" of type "image/png" (58966 bytes) Download attachment "LUTs_bcrypt.png" of type "image/png" (56257 bytes)
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