A novel approach for the implementation of large scale spiking neural networks on FPGA hardware

  • Authors:
  • B. Glackin;T. M. McGinnity;L. P. Maguire;Q. X. Wu;A. Belatreche

  • Affiliations:
  • Intelligent Systems Engineering Laboratory, Magee Campus, University of Ulster, Derry, Northern Ireland, UK;Intelligent Systems Engineering Laboratory, Magee Campus, University of Ulster, Derry, Northern Ireland, UK;Intelligent Systems Engineering Laboratory, Magee Campus, University of Ulster, Derry, Northern Ireland, UK;Intelligent Systems Engineering Laboratory, Magee Campus, University of Ulster, Derry, Northern Ireland, UK;Intelligent Systems Engineering Laboratory, Magee Campus, University of Ulster, Derry, Northern Ireland, UK

  • Venue:
  • IWANN'05 Proceedings of the 8th international conference on Artificial Neural Networks: computational Intelligence and Bioinspired Systems
  • Year:
  • 2005

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Abstract

This paper presents a strategy for the implementation of large scale spiking neural network topologies on FPGA devices based on the I&F conductance model. Analysis of the logic requirements demonstrate that large scale implementations are not viable if a fully parallel implementation strategy is utilised. Thus the paper presents an alternative approach where a trade off in terms of speed/area is made and time multiplexing of the neuron model implemented on the FPGA is used to generate large network topologies. FPGA implementation results demonstrate a performance increase over a PC based simulation.