Benchmarking quantum processor quality in the utility era*

Abstract

As quantum processors enter the era of utility, it becomes increasingly important to develop benchmarking suites capable of addressing quality, speed, and scale. With scale increasing rapidly for utility, quality benchmarks are needed that can be run at large scales. In this talk, we report developments towards such benchmarks. We present a device benchmark that captures the generic performance of a quantum processor and is scalable to large systems while still capturing important multi-qubit effects like cross-talk. Further, we show in what sense Clifford circuits can be representative of generic circuit performance, and how this can be extended to benchmark applications and error mitigation schemes. *Research was sponsored by the Army Research Office and was accomplished under Grant Number W911NF-21-1-0002. The views and conclusions contained in this document are those of the authors and should not be interpreted as representing the official policies, either expressed or implied, of the Army Research Office or the U.S. Government. The U.S. Government is authorized to reproduce and distribute reprints for Government purposes notwithstanding any copyright notation herein.