Cross-entropy benchmarking
Cross-entropy benchmarking (XEB) is a statistical measure used to evaluate the performance in random circuit sampling experiments.
Connections2
Benchmark problem used to prove quantum supremacy
This specific task involves sampling from the output distribution of a random quantum circuit, which is computationally difficult for classical machines to simulate efficiently.
verification technique utilized by Google Quantum AI
This benchmarking procedure was essential for Google Quantum AI to verify the fidelity of their quantum circuits during their supremacy experiments.