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  "documentTitle": "D-Wave Quantum Inc (QBTS)",
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      "text": "How do I know it’s not just a GPU sitting in a big fancy box with D-Wave written on the side?",
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      "text": "They’re very coy about [the mix of classical and quantum] because when we actually ran this... it worked, but the noise was just horrendous... How do I know it’s not just a GPU sitting in a big fancy box with D-Wave written on the side?",
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      "text": "They were going with this approach called quantum annealing. It just did not seem to be bearing fruit... they switched over to what they call hybrid solvers... [hybrid] is probably just classical computing... it’s probably not doing anything substantial.",
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      "text": "The best way we’ve described it is it’s great for school projects, but when you get to real business problems, it’s not mature enough... hybrid solving didn’t actually give us any benefits... it did not provide any benefit over classical computing.",
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      "text": "“They’re very coy about [the mix of classical and quantum] because when we actually ran this, what we mapped to a true QUBO problem, so you could run it entirely quantum on their system using the fully quantum annealer, it worked, but the noise was just horrendous. The error bars were always all over the place and it would never really converge well. When we used their hybrid solver, all of those problems went away. What I could never get an answer from them though, and we asked this was, ‘what exactly is that hybrid solver?’ I asked as much as, ‘How do I know it’s not just a GPU sitting in a big fancy box with D-Wave written on the side?’ And they never gave us a suitable answer.” — Former senior executive in Scientific Computing, GlaxoSmithKline",
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