Date: Mon, 6 Sep 2010 17:29:09 -0400 From: Erik Winkler <ewinkler@...ls.com> To: john-users@...ts.openwall.com Subject: Re: NTLM and OpenCL 1.0 Alain, Patch applies and compiles just fine. Here are my results on MacOS 10.6.4 on 2.4 Ghz Core2 MacBook with NVIDIA GeForce 9400M: Standard 64-bit (1-core at ~100% utilization) ./john -test=15 -format:NT Benchmarking: NT MD4 [128/128 X2 SSE2-16]... DONE Raw: 24010K c/s real, 24042K c/s virtual OpenCL 64-bit (Note that CPU never exceeds 20% utilization during this test - this is all GPU) ./john -test=15 -format:NT Benchmarking: NT MD4 [OpenCL 1.0]... DONE Raw: 2767K c/s real, 14573K c/s virtual Nice work. I am sure a faster GPU would produce better results than this. Strange that only the GPU is used and not the CPU+GPU, unless that is how it is designed to work. Erik On Sep 6, 2010, at 1:01 PM, Alain Espinosa wrote: > I was working in MAC OS X development searching how to accelerate > Computer Vision apps and i encounter Grand Central Dispatch and the > OpenCL standard. I know there is programs that use GPU for > accelerating cracking and i think a good aproach to learn OpenCL is > making a patch to John. Attached are a NTLM patch on top of jumbo7 > that use OpenCL 1.0 if choosen.
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