Date: Wed, 24 Jul 2013 19:39:34 -0400 From: Yaniv Sapir <yaniv@...pteva.com> To: john-dev@...ts.openwall.com Subject: Re: Parallella: bcrypt Katja, Can you clarify this: "If I compile with -O3 I get 979 c/s. But compiling with -O3 has negative impact on e-gcc generated code, speed drops to 875 c/s. " ... so -O3 is better or worse? Thanks. On Wed, Jul 24, 2013 at 5:42 PM, Katja Malvoni <kmalvoni@...il.com> wrote: > Hello, > > I made use of dual-issue, the speed I'm getting is 976 c/s when compiling > Epiphany code with -O2. If I compile with -O3 I get 979 c/s. But compiling > with -O3 has negative impact on e-gcc generated code, speed drops to 875 > c/s. > Code is in https://github.com/kmalvoni/JohnTheRipper/tree/master > > I tried to crack BF_std.in, it cracked all passwords but I had to start it > twice. First time it stuck somewhere and when it didn't start cracking I > aborted it. I found it a bit strange, I'll look at it in more detail. It's > not first time that it stuck but it happened a few times with assembly code > that produced incorrect results (failed self test on get_hash(0)) so I > didn't pay attention to it. > > Katja > -- =========================================================== Yaniv Sapir Adapteva Inc. 1666 Massachusetts Ave, Suite 14 Lexington, MA 02420 Phone: (781)-328-0513 (x104) Email: yaniv@...pteva.com Web: www.adapteva.com ============================================================ CONFIDENTIALITY NOTICE: This e-mail may contain information that is confidential and proprietary to Adapteva, and Adapteva hereby designates the information in this e-mail as confidential. The information is intended only for the use of the individual or entity named above. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution or use of any of the information contained in this transmission is strictly prohibited and that you should immediately destroy this e-mail and its contents and notify Adapteva. ============================================================== Content of type "text/html" skipped
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