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Technology Stocks : The *NEW* Frank Coluccio Technology Forum
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From: axial5/17/2013 6:10:52 PM
2 Recommendations  Read Replies (2) of 46821
 
Commercial quantum computer leaves PC in the dust

' McGeoch gave each system roughly half a second to find the best solution to a version of the optimisation problem, and repeated the trial with 100 different versions. She then did the experiment for problems involving even more variables and a more complicated equation. The D-Wave computer found the best solution every time within half a second. The three regular algorithms struggled to keep up for problems with more than 100 or so variables. The best of the three, CPLEX, had to run for half an hour to match D-Wave's performance on the largest problems.

McGeoch also looked at how the devices tackled two other problems. The D-Wave computer can't solve these directly so employs an extra piece of software to convert them into a form it can handle. D-wave's device had a smaller edge in these cases but still matched or exceeded the capabilities of the algorithms on regular computers. McGeoch will present the results next week at the ACM International Conference on Computing Frontiers in Ischia, Italy. '

newscientist.com

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Google and NASA Snap Up Quantum Computer D-Wave Two

'Whether D-Wave will make for faster-running or better artificial-intelligence systems is yet to be seen. Lidar says that he has seen faster solvers. “Every problem we have tested can still be solved faster on classical computers,” he says.'

scientificamerican.com

Jim
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