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IEICE TRANSACTIONS on Information

Area Efficient Annealing Processor for Ising Model without Random Number Generator

Hidenori GYOTEN, Masayuki HIROMOTO, Takashi SATO

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Summary :

An area-efficient FPGA-based annealing processor that is based on Ising model is proposed. The proposed processor eliminates random number generators (RNGs) and temperature schedulers, which are the key components in the conventional annealing processors and occupying a large portion of the design. Instead, a shift-register-based spin flipping scheme successfully helps the Ising model from stucking in the local optimum solutions. An FPGA implementation and software-based evaluation on max-cut problems of 2D-grid torus structure demonstrate that our annealing processor solves the problems 10-104 times faster than conventional optimization algorithms to obtain the solution of equal accuracy.

Publication
IEICE TRANSACTIONS on Information Vol.E101-D No.2 pp.314-323
Publication Date
2018/02/01
Publicized
2017/11/17
Online ISSN
1745-1361
DOI
10.1587/transinf.2017RCP0015
Type of Manuscript
Special Section PAPER (Special Section on Reconfigurable Systems)
Category
Device and Architecture

Authors

Hidenori GYOTEN
  Kyoto University
Masayuki HIROMOTO
  Kyoto University
Takashi SATO
  Kyoto University

Keyword