AlphaRouter: Quantum Circuit Routing with Reinforcement Learning and Tree Search

Fuente: arXiv
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Main Authors: Tang, Wei, Duan, Yiheng, Kharkov, Yaroslav, Fakoor, Rasool, Kessler, Eric, Shi, Yunong
Format: Preprint
Published: 2024
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author Tang, Wei
Duan, Yiheng
Kharkov, Yaroslav
Fakoor, Rasool
Kessler, Eric
Shi, Yunong
author_facet Tang, Wei
Duan, Yiheng
Kharkov, Yaroslav
Fakoor, Rasool
Kessler, Eric
Shi, Yunong
contents Quantum computers have the potential to outperform classical computers in important tasks such as optimization and number factoring. They are characterized by limited connectivity, which necessitates the routing of their computational bits, known as qubits, to specific locations during program execution to carry out quantum operations. Traditionally, the NP-hard optimization problem of minimizing the routing overhead has been addressed through sub-optimal rule-based routing techniques with inherent human biases embedded within the cost function design. This paper introduces a solution that integrates Monte Carlo Tree Search (MCTS) with Reinforcement Learning (RL). Our RL-based router, called AlphaRouter, outperforms the current state-of-the-art routing methods and generates quantum programs with up to $20\%$ less routing overhead, thus significantly enhancing the overall efficiency and feasibility of quantum computing.
format Preprint
id arxiv_https___arxiv_org_abs_2410_05115
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle AlphaRouter: Quantum Circuit Routing with Reinforcement Learning and Tree Search
Tang, Wei
Duan, Yiheng
Kharkov, Yaroslav
Fakoor, Rasool
Kessler, Eric
Shi, Yunong
Quantum Physics
Artificial Intelligence
Systems and Control
Quantum computers have the potential to outperform classical computers in important tasks such as optimization and number factoring. They are characterized by limited connectivity, which necessitates the routing of their computational bits, known as qubits, to specific locations during program execution to carry out quantum operations. Traditionally, the NP-hard optimization problem of minimizing the routing overhead has been addressed through sub-optimal rule-based routing techniques with inherent human biases embedded within the cost function design. This paper introduces a solution that integrates Monte Carlo Tree Search (MCTS) with Reinforcement Learning (RL). Our RL-based router, called AlphaRouter, outperforms the current state-of-the-art routing methods and generates quantum programs with up to $20\%$ less routing overhead, thus significantly enhancing the overall efficiency and feasibility of quantum computing.
title AlphaRouter: Quantum Circuit Routing with Reinforcement Learning and Tree Search
topic Quantum Physics
Artificial Intelligence
Systems and Control
url https://arxiv.org/abs/2410.05115