GPU vs CPU Supercomputing Security Shootout
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Transcript of GPU vs CPU Supercomputing Security Shootout
http://www.paulgraham.com/bio.html
“Because hackers are more makers than scientists, the right place to look for metaphors is not in the sciences, but among other kinds of makers.”
-- Paul GrahamPh.D. from HarvardInventor of bayesian spam filters
2005, transcoding
my bias…
non-proprietary CPU+GPU, unified programming model, Interop with OpenGL
source: http://www.nvidia.com/object/product_tesla_c1060_us.html
C1060(GTX 295 w 4GB)
source: http://www.nvidia.com/object/product_tesla_s1070_us.html
source: http://kedem.cs.duke.edu/CipherFlow/Press_Release.html
source: http://kedem.cs.duke.edu/CipherFlow/index.html
source: http://kedem.cs.duke.edu/CipherFlow/index.html
"If you were plowing a field, which would you rather use? Two strong oxen or 1024 chickens?"
--Seymore Cray
"some things are better left unread"
7N
RC5-64: 0x63DE7DC154F4D039 5 years
"some things are better left unread"
7N
RC5-64: 0x63DE7DC154F4D039
5 years
7N
224 Trillion keys over 3 years
1 ATI 4890 = 3 days
http://eprint.iacr.org/2010/006.pdf
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….findings
source: http://www.nvidia.com/object/cuda_home.html
CUDA: Where marketing meets academia and has a 1000x lovechild
source: http://www.nvidia.com/object/cuda_education.html
Google: CUDA university
This PDF is better than this talk!
http://www.backtrack-linux.org/tutorials/
http://www.backtrack-linux.org/documents/BACKTRACK_CUDA_v2.0.pdf
real CUDA expert
Aircrack-ng-cuda svn
8800 benchmarks (3x) speedupGPU: k/s = 2458.11CPU: k/s = 772.85
15x
gpu-md5-crack, uses both CPU+GPU
source: http://www.nvidia.com/object/cuda_education.html
apt-get gpu-md5-crack, multi GPU, 300M MD5 hash/sec coming…
Ivan Golubev's IGHASHGPU and RAR GPU, in BT apt sources? ATI & CUDA
RAR GPU ATI (20x), Nvidia (12x)
source: http://3.14.by/en/read/md5_benchmark
MD5 benchmarks, BarsWF 3x increase over CPU version
Google: CUDA university
sick…10x, Only tool with all three: CUDA, Stream & OpenCL versions!.
source: http://code.google.com/p/pyrit/
BT4 Live Persistent DVD
vmalloc=256MB to kernel, screw X, apt-get and good to go
31,000 Pairwise Master Keys/sec with 3 GTX 260s