Qutility Frontier
Qutility Frontier is an open-source Python package for implementing scalable and hardware-agnostic quantum benchmarking protocols. The package provides implementations of recently proposed scalable benchmarks and offers tools to generate benchmark instances in a reproducible form. The Clifford Volume Benchmark implemented in this package is part of the EU Quantum Flagship KPIs for quantum computer benchmarking.
Key features
- Open-source Python package designed to simplify the implementation of platform-independent quantum benchmark protocols.
- A benchmark base class with a well-defined workflow, including customizable methods.
- A lightweight Python-based representation of quantum circuits, enabling intuitive and flexible implementation of benchmark logic while remaining independent of any specific SDK.
- Hardware-agnostic circuit export via OpenQASM (QASM 2 / QASM 3), with optional SDK-specific adaptations (e.g., gate aliasing).
- A JSON schema to store complete benchmark instances.
Implemented Benchmarks
- Clifford Volume Benchmark. Efficiently verifiable using stabilizer techniques. Measures stabilizer and destabilizer observables to quantify device performance.
- Free-Fermion Volume Benchmark. Based on Gaussian / free-fermionic circuits. Evaluates device performance through Majorana-mode based observables.
- GHZ Benchmark. Probes genuine multipartite entanglement using n-qubit GHZ states, with verification based on either a stabilizer fidelity witness or a classical-shadow overlap method.
Qutility Frontier enables scalable, reproducible quantum processor benchmarking with ready-to-use protocols and standardized circuit generation. It supports cross-platform benchmark execution and evaluation across quantum SDKs and hardware backends. Get started with the package to run the implemented scalable benchmarks or create your own protocols using the provided tools, and evaluate device performance in a consistent and portable way.
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