Date: Mon, 17 Jun 2013 06:35:25 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: PBKDF2-SHA512 Lukas - On Mon, Jun 17, 2013 at 03:56:44AM +0200, Lukas Odzioba wrote: > I started porting my pbkdf2-sha512 cuda code to opencl. Sounds good. Thanks! > It looks like this code running on cpu without touching SSE is 14% > faster than current cpu version . > > john -test -format=PBKDF2-HMAC-SHA512 > Benchmarking: PBKDF2-HMAC-SHA512, GRUB2 / OS X 10.8 [PBKDF2-SHA512 > 128/128 SSE4.1 2x]... DONE > Raw: 92.6 c/s real, 92.6 c/s virtual > > john -test -format=grub > Benchmarking: grub, grub [PBKDF2-SHA512]... DONE > Raw: 106 c/s real, 106 c/s virtual > > Both tested on the same test vector and cpu. I think you're comparing one core with C+intrinsics vs. all cores with OpenCL. Try building with OpenMP enabled for a more relevant comparison. Alexander
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.