A new technical paper, “Chipmunq: A Fault-Tolerant Compiler for Chiplet Quantum Architectures,” was published by researchers at the Technical University of Munich.
Abstract
“As quantum computing advances toward fault-tolerance through quantum error correction, modular chiplet architectures have emerged to provide the massive qubit counts required while overcoming fabrication limits of monolithic chips. However, this transition introduces a critical compilation gap: existing frameworks cannot handle the scale of fault-tolerant quantum circuits while managing the noisy, sparse interconnects of chiplet backends.
We present Chipmunq, the first hardware-aware compiler for mapping and routing fault-tolerant circuits onto modular architectures. Chipmunq employs a quantum-error-correction-aware partitioning strategy that preserves the integrity of logical qubit patches, preventing prohibitive gate overheads common in general-purpose compilers. Our evaluation demonstrates that Chipmunq achieves a 13.5x speedup in compilation time compared to state-of-the-art tools. By incorporating chiplet constraints and defective qubits, it reduces circuit depth by 86.4% and SWAP gate counts by 91.4% across varying code distances. Crucially, Chipmunq overcomes heterogeneous inter-chiplet links, improving logical error rates by up to two orders of magnitude.”
Find the technical paper here. March 2026.
Wegmann, Peter, Aleksandra Świerkowska, Emmanouil Giortamis, and Pramod Bhatotia. “Chipmunq: A Fault-Tolerant Compiler for Chiplet Quantum Architectures.” arXiv preprint arXiv:2603.16389 (2026).
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