Order-of-magnitude differences in computational performance of analog Ising machines induced by the choice of nonlinearity

Analog Ising machines are promising fast computing schemes for some difficult optimization problems, yet their analog nature is known to cause errors and inhibit computational performance. Here, the authors investigate how the choice of nonlinear transfer functions partly suppresses errors caused by...

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Auteurs principaux: Fabian Böhm, Thomas Van Vaerenbergh, Guy Verschaffelt, Guy Van der Sande
Format: article
Langue:EN
Publié: Nature Portfolio 2021
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Accès en ligne:https://doaj.org/article/7ae6d22100ed47f892246d6f5bacf47b
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Résumé:Analog Ising machines are promising fast computing schemes for some difficult optimization problems, yet their analog nature is known to cause errors and inhibit computational performance. Here, the authors investigate how the choice of nonlinear transfer functions partly suppresses errors caused by analog amplitude inhomogeneity, which leads to order-of-magnitude differences in the computation time.