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Wednesday, December 09, 2015

Google says D-Wave Works

Recall the controversial claims of D-Wave in doing quantum computing for NASA and Google. Also, that we had a minor interaction with them regarding test problems.  Now is the tide turning in their direction?

' ... “We found that for problem instances involving nearly 1000 binary variables, quantum annealing significantly outperforms its classical counterpart, simulated annealing. It is more than 10^8 times faster than simulated annealing running on a single core. We also compared the quantum hardware to another algorithm called Quantum Monte Carlo. This is a method designed to emulate the behavior of quantum systems, but it runs on conventional processors. While the scaling with size between these two methods is comparable, they are again separated by a large factor sometimes as high as 10^8.”

So Google is claiming that D-Wave completed the task 100 million times faster than its non-quantum cousin.  .. " 

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