Date: Mon, 19 Mar 2012 01:48:02 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: New patch for OpenCL SHA-512 Hi Claudio, On Sun, Mar 18, 2012 at 08:11:54AM -0300, Claudio Andr? wrote: > It uses john.conf for LWS e KPC (if available), fix the format and > algorithm name, etc. > It also uses fast memory to keep temporary buffers (improve performance). Thank you! magnum is the one to merge this into the tree. > Numbers here: > => CPU > Benchmarking: crypt SHA-512 (rounds=5000) [OpenSSL 64/64]... DONE > Raw: 440 c/s real, 440 c/s virtual > > => OMP > Benchmarking: crypt SHA-512 (rounds=5000) [OpenSSL 64/64]... (6xOMP) DONE > Raw: 2254 c/s real, 378 c/s virtual > > => OpenCL CPU > Benchmarking: crypt SHA-512 (rounds=5000) [OpenCL]... DONE > Raw: 1422 c/s real, 237 c/s virtual > > => OpenCL GPU > Local work size (LWS) 64, Keys per crypt (KPC) 65536 > Benchmarking: crypt SHA-512 (rounds=5000) [OpenCL]... DONE > Raw: 1228 c/s real, 936228 c/s virtual What CPU and GPU are you testing this on? How do these OpenCL speed numbers compare to those for Lukas' OpenCL code? And to those for Lukas' CUDA code (if you use an Nvidia GPU)? The OpenCL GPU speed is still quite poor (although this works for a development milestone) - do you have specific plans on improving it? Thanks again, Alexander
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