Stochastic Simulated Quantum Annealing for Fast Solution of Combinatorial Optimization Problems

Fuente: arXiv
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Main Authors: Onizawa, Naoya, Sasaki, Ryoma, Shin, Duckgyu, Gross, Warren J., Hanyu, Takahiro
Format: Preprint
Published: 2023
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author Onizawa, Naoya
Sasaki, Ryoma
Shin, Duckgyu
Gross, Warren J.
Hanyu, Takahiro
author_facet Onizawa, Naoya
Sasaki, Ryoma
Shin, Duckgyu
Gross, Warren J.
Hanyu, Takahiro
contents In this paper, we introduce stochastic simulated quantum annealing (SSQA) for large-scale combinatorial optimization problems. SSQA is designed based on stochastic computing and quantum Monte Carlo, which can simulate quantum annealing (QA) by using multiple replicas of spins (probabilistic bits) in classical computing. The use of stochastic computing leads to an efficient parallel spin-state update algorithm, enabling quick search for a solution around the global minimum energy. Therefore, SSQA realizes quantum-like annealing for large-scale problems and can handle fully connected models in combinatorial optimization, unlike QA. The proposed method is evaluated in MATLAB on graph isomorphism problems, which are typical combinatorial optimization problems. The proposed method achieves a convergence speed an order of magnitude faster than a conventional stochastic simulaated annealing method. Additionally, it can handle a 100-times larger problem size compared to QA and a 25-times larger problem size compared to a traditional SA method, respectively, for similar convergence probabilities.
format Preprint
id arxiv_https___arxiv_org_abs_2302_12454
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Stochastic Simulated Quantum Annealing for Fast Solution of Combinatorial Optimization Problems
Onizawa, Naoya
Sasaki, Ryoma
Shin, Duckgyu
Gross, Warren J.
Hanyu, Takahiro
Quantum Physics
Emerging Technologies
In this paper, we introduce stochastic simulated quantum annealing (SSQA) for large-scale combinatorial optimization problems. SSQA is designed based on stochastic computing and quantum Monte Carlo, which can simulate quantum annealing (QA) by using multiple replicas of spins (probabilistic bits) in classical computing. The use of stochastic computing leads to an efficient parallel spin-state update algorithm, enabling quick search for a solution around the global minimum energy. Therefore, SSQA realizes quantum-like annealing for large-scale problems and can handle fully connected models in combinatorial optimization, unlike QA. The proposed method is evaluated in MATLAB on graph isomorphism problems, which are typical combinatorial optimization problems. The proposed method achieves a convergence speed an order of magnitude faster than a conventional stochastic simulaated annealing method. Additionally, it can handle a 100-times larger problem size compared to QA and a 25-times larger problem size compared to a traditional SA method, respectively, for similar convergence probabilities.
title Stochastic Simulated Quantum Annealing for Fast Solution of Combinatorial Optimization Problems
topic Quantum Physics
Emerging Technologies
url https://arxiv.org/abs/2302.12454