What is Cross-entropy benchmarking (XEB)?

Cross-entropy benchmarking (XEB)

Quantum

Cross-entropy benchmarking (XEB): A statistical test comparing a quantum processor's output distribution against ideal predictions, used to verify performance and support quantum supremacy claims in random circuit sampling.

Related terms

Linear cross-entropy benchmark (XEB) fidelity
Cross-entropy loss
Cross-resonance gate
Echoed cross-resonance
Entanglement entropy
Interleaved randomised benchmarking
Mirror benchmarking
Quantum Benchmarking Initiative

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