Distributed quantum machine learning via classical communication

Fuente: arXiv
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Main Authors: Hwang, Kiwmann, Lim, Hyang-Tag, Kim, Yong-Su, Park, Daniel K., Kim, Yosep
Format: Preprint
Published: 2024
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author Hwang, Kiwmann
Lim, Hyang-Tag
Kim, Yong-Su
Park, Daniel K.
Kim, Yosep
author_facet Hwang, Kiwmann
Lim, Hyang-Tag
Kim, Yong-Su
Park, Daniel K.
Kim, Yosep
contents Quantum machine learning is emerging as a promising application of quantum computing due to its distinct way of encoding and processing data. It is believed that large-scale quantum machine learning demonstrates substantial advantages over classical counterparts, but a reliable scale-up is hindered by the fragile nature of quantum systems. Here we present an experimentally accessible distributed quantum machine learning scheme that integrates quantum processor units via classical communication. As a demonstration, we perform data classification tasks on 8-dimensional synthetic datasets by emulating two 4-qubit processors and employing quantum convolutional neural networks. Our results indicate that incorporating classical communication notably improves classification accuracy compared to schemes without communication. Furthermore, at the tested circuit depths, we observe that the accuracy with classical communication is no less than that achieved with quantum communication. Our work provides a practical path to demonstrating large-scale quantum machine learning on intermediate-scale quantum processors by leveraging classical communication that can be implemented through currently available mid-circuit measurements.
format Preprint
id arxiv_https___arxiv_org_abs_2408_16327
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Distributed quantum machine learning via classical communication
Hwang, Kiwmann
Lim, Hyang-Tag
Kim, Yong-Su
Park, Daniel K.
Kim, Yosep
Quantum Physics
Quantum machine learning is emerging as a promising application of quantum computing due to its distinct way of encoding and processing data. It is believed that large-scale quantum machine learning demonstrates substantial advantages over classical counterparts, but a reliable scale-up is hindered by the fragile nature of quantum systems. Here we present an experimentally accessible distributed quantum machine learning scheme that integrates quantum processor units via classical communication. As a demonstration, we perform data classification tasks on 8-dimensional synthetic datasets by emulating two 4-qubit processors and employing quantum convolutional neural networks. Our results indicate that incorporating classical communication notably improves classification accuracy compared to schemes without communication. Furthermore, at the tested circuit depths, we observe that the accuracy with classical communication is no less than that achieved with quantum communication. Our work provides a practical path to demonstrating large-scale quantum machine learning on intermediate-scale quantum processors by leveraging classical communication that can be implemented through currently available mid-circuit measurements.
title Distributed quantum machine learning via classical communication
topic Quantum Physics
url https://arxiv.org/abs/2408.16327