[cryptography] 5x speedup for AES using SSE5?

Kevin Brock security at kevin.com
Mon Aug 25 13:25:56 EDT 2008


Peter Gutmann wrote:
> Is there some feature of multicore CPUs that I'm missing, or is it a case of
> cryptographers abstracting a bit too much away?  And if it's the latter,
> should someone tell them that multicore CPUs don't actually work that way?
>   
I can't speak to the former issue, but I seem to remember that the 
numbers Rivest showed at the talk were actual performance measurements, 
not projections, and that it was basically linear.

Kevin

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