Google is having success with their DWave[1], test results on the Google Research blog[2]. [1] https://www.technologyreview.com/s/544276/google-says-it-has-pro

Google is having success with their DWave[1], test results on the Google Research blog[2]. [1] https://www.technologyreview.com/s/544276/google-says-it-has-proved-its-controversial-quantum-computer-really-works/ https://www.technologyreview.com/s/544276/google-says-it-has..., "Google Says It Has Proved Its Controversial Quantum Computer Really Works" [2] https://research.googleblog.com/2015/12/when-can-quantum-annealing-win.html https://research.googleblog.com/2015/12/when-can-quantum-ann..., "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".