Reality check: no one has ever built a quantum computer with qubits lasting more than a tiny fraction of a second, and quite possibly they never will.
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The computation was a quantum volume benchmark with six qubits. Quantum volume is metric to describe the capabilities of a universal gate-model quantum computer. Basically it's how well you can run random circuits representative of typical algorithmshttps://arxiv.org/abs/1811.12926
Measuring quantum volume is not performing a computation. (Unless you think noise is a computation.)
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Yeesh tough crowd. I'll leave it to others to argue about whether the sampling task involved in a QV benchmark should be called a "computation". You seem to be skeptical that the H0 really is a quantum computer. Is there any device today that you would say is?
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None that have long-lived qubits.
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