Date: Tue, 21 Feb 2012 21:28:54 +0100 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: OpenCL vs CUDA Is this a general difference you see too? Benchmarking: CRYPTMD5-OPENCL [MD5-based CRYPT]... DONE Raw: 147803 c/s real, 49267 c/s virtual Benchmarking: cuda-cryptmd5 [MD5-based CRYPT]... DONE Raw: 258048 c/s real, 258048 c/s virtual (both formats use the exact same test vector) Is this due to Lukas' version being better optimised at the moment, or is it due to NVidia's OpenCL stuff not being up to par with CUDA? For phpass, both versions run at almost exactly the same speed: Benchmarking: PHPASS-OPENCL [PORTABLE-MD5]... DONE Raw: 256984 c/s real, 129113 c/s virtual Benchmarking: cuda-phpass [PORTABLE-MD5]... DONE Raw: 252438 c/s real, 252438 c/s virtual magnum
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