2 ms·

Am I missing something because D-Wave has 1024 qubit machines available now and 2000 qubit ones soon.

• WillPostForFood 9y ago
  This is why people are less excited by D-Wave’s approach: https://www.theverge.com/2016/9/28/13057414/quantum-computer-d-wave-2000-qubit-chip https://www.theverge.com/2016/9/28/13057414/quantum-computer...
• benchaney 9y ago
  D-Wave isn't a real quantum computer in the way that most people use the term, so that isn't an apples to apples comparison.
• archgoon 9y ago
  I'm going to repost from a year ago: D-Wave isn't trying to build a general purpose quantum computer. As it stands, they've been trying to optimize a computer that executes a particular algorithm (and as it stands, it's not faster than optimized classical algorithms). It is an open research question if D-Wave's architecture actually utilizes any quantum effects to give it an advantage over classical architectures. D-Wave hopes that it does, and that there will be enough problems that their machine is good at that their approach will be justified. D-Wave markets themselves as having hundreds or thousands of qubits, but these qubits aren't easily controllable or measurable in ways that would allow Shor's Algorithm to be executed on them (for example), so at the least, it seems like dishonest marketing. In order to build a general quantum computer, you need to be able to apply gates to arbitrary collections of qubits.
  • extide 9y ago
    Ah, thanks