Benchmarking Distributed Quantum Computing Emulators

Fuente: arXiv
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Auteurs principaux: Díaz-Camacho, Guillermo, Llovo, Iago F., Cardama, F. Javier, Bautista, Irais, Faílde, Daniel, Juane, Mariamo Mussa, Vázquez-Pérez, Jorge, Costas, Natalia, Pena, Tomás F., Gómez, Andrés
Format: Preprint
Publié: 2025
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author Díaz-Camacho, Guillermo
Llovo, Iago F.
Cardama, F. Javier
Bautista, Irais
Faílde, Daniel
Juane, Mariamo Mussa
Vázquez-Pérez, Jorge
Costas, Natalia
Pena, Tomás F.
Gómez, Andrés
author_facet Díaz-Camacho, Guillermo
Llovo, Iago F.
Cardama, F. Javier
Bautista, Irais
Faílde, Daniel
Juane, Mariamo Mussa
Vázquez-Pérez, Jorge
Costas, Natalia
Pena, Tomás F.
Gómez, Andrés
contents Scalable quantum computing requires architectural solutions beyond monolithic processors. Distributed quantum computing (DQC) addresses this challenge by interconnecting smaller quantum nodes through quantum communication protocols, enabling collaborative computation. While several experimental and theoretical proposals for DQC exist, emulator platforms are essential tools for exploring their feasibility under realistic conditions. In this work, we introduce a benchmarking framework to evaluate DQC emulators using a distributed implementation of the inverse Quantum Fourier Transform ($\mathrm{QFT}^{\dagger}$) as a representative test case, which enables efficient phase recovery from pre-encoded Fourier states. The QFT is partitioned across nodes using teleportation-based protocols, and performance is analyzed in terms of execution time, memory usage, and fidelity with respect to a monolithic baseline. As part of this work, we review a broad range of emulators, identifying their capabilities and limitations for programming distributed quantum algorithms. Many platforms either lacked support for teleportation protocols or required complex workarounds. Consequently, we select and benchmark four representative emulators: Qiskit Aer, SquidASM, Interlin-q, and SQUANCH. They differ significantly in their support for discrete-event simulation, quantum networking, noise modeling, and parallel execution. Our results highlight the trade-offs between architectural fidelity and simulation scalability, providing a foundation for future emulator development and the validation of distributed quantum protocols. This framework can be extended to support additional algorithms and emulators.
format Preprint
id arxiv_https___arxiv_org_abs_2512_01807
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Benchmarking Distributed Quantum Computing Emulators
Díaz-Camacho, Guillermo
Llovo, Iago F.
Cardama, F. Javier
Bautista, Irais
Faílde, Daniel
Juane, Mariamo Mussa
Vázquez-Pérez, Jorge
Costas, Natalia
Pena, Tomás F.
Gómez, Andrés
Quantum Physics
Scalable quantum computing requires architectural solutions beyond monolithic processors. Distributed quantum computing (DQC) addresses this challenge by interconnecting smaller quantum nodes through quantum communication protocols, enabling collaborative computation. While several experimental and theoretical proposals for DQC exist, emulator platforms are essential tools for exploring their feasibility under realistic conditions. In this work, we introduce a benchmarking framework to evaluate DQC emulators using a distributed implementation of the inverse Quantum Fourier Transform ($\mathrm{QFT}^{\dagger}$) as a representative test case, which enables efficient phase recovery from pre-encoded Fourier states. The QFT is partitioned across nodes using teleportation-based protocols, and performance is analyzed in terms of execution time, memory usage, and fidelity with respect to a monolithic baseline. As part of this work, we review a broad range of emulators, identifying their capabilities and limitations for programming distributed quantum algorithms. Many platforms either lacked support for teleportation protocols or required complex workarounds. Consequently, we select and benchmark four representative emulators: Qiskit Aer, SquidASM, Interlin-q, and SQUANCH. They differ significantly in their support for discrete-event simulation, quantum networking, noise modeling, and parallel execution. Our results highlight the trade-offs between architectural fidelity and simulation scalability, providing a foundation for future emulator development and the validation of distributed quantum protocols. This framework can be extended to support additional algorithms and emulators.
title Benchmarking Distributed Quantum Computing Emulators
topic Quantum Physics
url https://arxiv.org/abs/2512.01807