Efficient Gate Reordering for Distributed Quantum Compiling in Data Centers

• URL: http://arxiv.org/abs/2507.01090v1
• Date: Tue, 01 Jul 2025 18:00:02 GMT
• Title: Efficient Gate Reordering for Distributed Quantum Compiling in Data Centers
• Authors: Riccardo Mengoni, Walter Nadalin, Mathys Rennela, Jimmy Rotureau, Tom Darras, Julien Laurat, Eleni Diamanti, Ioannis Lavdas,
• Abstract summary: It is crucial to develop methods and software that minimize the number of inter-QPU communications.<n>Here we describe key features of the quantum compiler araQne, which is designed to minimize distribution cost.<n>We establish the crucial role played by circuit reordering strategies, which strongly reduce the distribution cost compared to a baseline approach.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Just as classical computing relies on distributed systems, the quantum computing era requires new kinds of infrastructure and software tools. Quantum networks will become the backbone of hybrid, quantum-augmented data centers, in which quantum algorithms are distributed over a local network of quantum processing units (QPUs) interconnected via shared entanglement. In this context, it is crucial to develop methods and software that minimize the number of inter-QPU communications. Here we describe key features of the quantum compiler araQne, which is designed to minimize distribution cost, measured by the number of entangled pairs required to distribute a monolithic quantum circuit using gate teleportation protocols. We establish the crucial role played by circuit reordering strategies, which strongly reduce the distribution cost compared to a baseline approach.

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