Ising machines as hardware solvers of combinatorial optimization problems

N Mohseni, PL McMahon, T Byrnes - Nature Reviews Physics, 2022 - nature.com
Ising machines are hardware solvers that aim to find the absolute or approximate ground
states of the Ising model. The Ising model is of fundamental computational interest because …

Energy-efficient superparamagnetic Ising machine and its application to traveling salesman problems

J Si, S Yang, Y Cen, J Chen, Y Huang, Z Yao… - Nature …, 2024 - nature.com
The growth of artificial intelligence leads to a computational burden in solving non-
deterministic polynomial-time (NP)-hard problems. The Ising computer, which aims to solve …

A full-stack view of probabilistic computing with p-bits: Devices, architectures, and algorithms

S Chowdhury, A Grimaldi, NA Aadit… - IEEE Journal on …, 2023 - ieeexplore.ieee.org
The transistor celebrated its 75th birthday in 2022. The continued scaling of the transistor
defined by Moore's law continues, albeit at a slower pace. Meanwhile, computing demands …

Stochastic -Bits for Invertible Logic

KY Camsari, R Faria, BM Sutton, S Datta - Physical Review X, 2017 - APS
Conventional semiconductor-based logic and nanomagnet-based memory devices are built
out of stable, deterministic units such as standard metal-oxide semiconductor transistors, or …

Implementing p-bits with embedded MTJ

KY Camsari, S Salahuddin… - IEEE Electron Device …, 2017 - ieeexplore.ieee.org
Magnetic tunnel junctions (MTJs) utilizing unstable magnets with low barriers have been
shown to be well-suited for the implementation of random number generators (RNGs). It has …

P-bits for probabilistic spin logic

KY Camsari, BM Sutton, S Datta - Applied Physics Reviews, 2019 - pubs.aip.org
We introduce the concept of a probabilistic or p-bit, intermediate between the standard bits
of digital electronics and the emerging q-bits of quantum computing. We show that low …

Demonstration of nanosecond operation in stochastic magnetic tunnel junctions

C Safranski, J Kaiser, P Trouilloud, P Hashemi… - Nano …, 2021 - ACS Publications
Magnetic tunnel junctions operating in the superparamagnetic regime are promising devices
in the field of probabilistic computing, which is suitable for applications like high-dimensional …

Emerging artificial neuron devices for probabilistic computing

Z Li, X Geng, J Wang, F Zhuge - Frontiers in Neuroscience, 2021 - frontiersin.org
In recent decades, artificial intelligence has been successively employed in the fields of
finance, commerce, and other industries. However, imitating high-level brain functions, such …

Computing with networks of oscillatory dynamical systems

A Raychowdhury, A Parihar, GH Smith… - Proceedings of the …, 2018 - ieeexplore.ieee.org
As we approach the end of the silicon road map, alternative computing models that can
solve at-scale problems in the data-centric world are becoming important. This is …

Unconventional computing based on magnetic tunnel junction

B Cai, Y He, Y **n, Z Yuan, X Zhang, Z Zhu, G Liang - Applied Physics A, 2023 - Springer
The conventional computing method based on the von Neumann architecture is limited by a
series of problems such as high energy consumption, finite data exchange bandwidth …