Researchers develop three-layer quantum compiler architecture for fault-tolerant systems, moving beyond circuit optimization to encoding-aware compilation. Demonstrated effectiveness on thousand-qubit superconducting processors.
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~28% of quantum transpiler bug fixes repair faults that output-equivalence oracles cannot detect. This empirical study of 68 Qiskit fixes reveals blind spots in standard correctness testing, with validation across tket and Cirq compilers.
