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As a wide variety of quantum computing platforms become available, methodsfor assessing and comparing the performance of these devices are of increasinginterest and importance. Inspired by the success of single-qubit error ratecomputations for tracking the progress of gate-based quantum computers, thiswork proposes a Quantum Annealing Single-qubit Assessment (QASA) protocol forquantifying the performance of individual qubits in quantum annealingcomputers. The proposed protocol scales to large quantum annealers withthousands of qubits and provides unique insights into the distribution of qubitproperties within a particular hardware device. The efficacy of the QASAprotocol is demonstrated by analyzing the properties of a D-Wave 2000Q system,revealing unanticipated correlations in the qubit performance of that device. Astudy repeating the QASA protocol at different annealing times highlights howthe method can be utilized to understand the impact of annealing parameters onqubit performance. Overall, the proposed QASA protocol provides a useful toolfor assessing the performance of current and emerging quantum annealingdevices.

Single-Qubit Fidelity Assessment of Quantum Annealing Hardware