Date: Sat, 31 Mar 2012 16:57:46 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: MSCash2 CUDA Lukas - With default settings, your MSCash2 CUDA code did only: Benchmarking: mscash2-cuda [GPU]... DONE Raw: 7889 c/s real, 7939 c/s virtual on my GTX-570. By simply changing THREADS from 128 to 480 and arch from sm_10 to sm_20, I got it to: Benchmarking: mscash2-cuda [GPU]... DONE Raw: 25988 c/s real, 25988 c/s virtual which is pretty close to hashcat's reported 32.3k c/s. This highlights the importance of setting these things correctly for a given card. At the very least, we need to document it somewhere. Doubling BLOCKS (14 to 28) gave me: Benchmarking: mscash2-cuda [GPU]... DONE Raw: 26012 c/s real, 26012 c/s virtual although that's almost the same speed. Alexander
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