Efficient Circuit Cutting and Scheduling in a Multi-Node Quantum System with Dynamic EPR Pairs
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866909440897187840 |
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| author | Du, Zefan Zhang, Wenrui Wei, Wenqi Chen, Juntao Han, Tao Liang, Zhiding Mao, Ying |
| author_facet | Du, Zefan Zhang, Wenrui Wei, Wenqi Chen, Juntao Han, Tao Liang, Zhiding Mao, Ying |
| contents | Despite advancements, current quantum hardware faces significant challenges, including limited qubit counts and high susceptibility to noise, which hinder the execution of large, complex algorithms. To address these limitations, multi-node quantum systems and quantum circuit cutting techniques partition large circuits into smaller subcircuits that can be executed on individual quantum machines and then reconstructed using classical resources. However, these methods introduce new challenges, such as the large overhead from subcircuit reconstruction and additional noise from entangled EPR pairs, especially in multi-node quantum systems. In this paper, we propose the Efficient Circuit Cutting and Scheduling (EC2S) system, which integrates EPR pairs with circuit cutting to address these issues. EC2S improves system performance by transitioning from logical to physical EPR pairs and further reduces computational overhead by minimizing the number of subcircuits during the reconstruction phase. \sol~ is implemented using Qiskit and evaluated on both real quantum hardware and various emulators. Compared to the state-of-the-art Qiskit-Addon-Cut, EC2S achieves significant improvements in fidelity, up to 16.7\%, and reduces system-wide expenditure by up to 99.5\%. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_18709 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Efficient Circuit Cutting and Scheduling in a Multi-Node Quantum System with Dynamic EPR Pairs Du, Zefan Zhang, Wenrui Wei, Wenqi Chen, Juntao Han, Tao Liang, Zhiding Mao, Ying Distributed, Parallel, and Cluster Computing Quantum Physics Despite advancements, current quantum hardware faces significant challenges, including limited qubit counts and high susceptibility to noise, which hinder the execution of large, complex algorithms. To address these limitations, multi-node quantum systems and quantum circuit cutting techniques partition large circuits into smaller subcircuits that can be executed on individual quantum machines and then reconstructed using classical resources. However, these methods introduce new challenges, such as the large overhead from subcircuit reconstruction and additional noise from entangled EPR pairs, especially in multi-node quantum systems. In this paper, we propose the Efficient Circuit Cutting and Scheduling (EC2S) system, which integrates EPR pairs with circuit cutting to address these issues. EC2S improves system performance by transitioning from logical to physical EPR pairs and further reduces computational overhead by minimizing the number of subcircuits during the reconstruction phase. \sol~ is implemented using Qiskit and evaluated on both real quantum hardware and various emulators. Compared to the state-of-the-art Qiskit-Addon-Cut, EC2S achieves significant improvements in fidelity, up to 16.7\%, and reduces system-wide expenditure by up to 99.5\%. |
| title | Efficient Circuit Cutting and Scheduling in a Multi-Node Quantum System with Dynamic EPR Pairs |
| topic | Distributed, Parallel, and Cluster Computing Quantum Physics |
| url | https://arxiv.org/abs/2412.18709 |