Chipmunq: A Fault-Tolerant Compiler for Chiplet Quantum Architectures
Peter Wegmann, Aleksandra \'Swierkowska, Emmanouil Giortamis, Pramod Bhatotia

TL;DR
Chipmunq is a novel hardware-aware compiler designed for fault-tolerant quantum chiplet architectures, significantly improving compilation efficiency, circuit optimization, and error rates by addressing the unique challenges of modular quantum systems.
Contribution
It introduces the first fault-tolerance-aware compiler for chiplet quantum architectures, effectively managing interconnects and error correction overheads.
Findings
13.5x faster compilation compared to existing tools
86.4% reduction in circuit depth
91.4% fewer SWAP gates
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…
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Taxonomy
TopicsQuantum Computing Algorithms and Architecture · Low-power high-performance VLSI design · Quantum-Dot Cellular Automata
