

“The computers are not general purpose, but rather are designed for quantum annealing. Specifically, the computers are designed to use quantum annealing to solve a single type of problem known as quadratic unconstrained binary optimization. As of 2015, it was still debated whether large-scale entanglement takes place in D-Wave Two, and whether current or future generations of D-Wave computers will have any advantage over classical computers.” https://en.wikipedia.org/wiki/D-Wave_Two
I’m not aware this has changed.
On the plus side: they have >5000 qbits
Many bcachefs patches are from other contributors. IDK, but I guess the meat is still from Kent. But he claims to be in te process of hiring additionl devs.