System-level energy and performance projections for nanomagnet-based logic

Authors:
Aaron Dingler;Michael Niemier;X. Sharon Hu;Michael Garrison;M. Tanvir Alam
Affiliations:
Department of Computer Science and Engineering, USA;Department of Computer Science and Engineering, USA;Department of Computer Science and Engineering, USA;Department of Computer Science and Engineering, USA;Department of Electrical Engineering, University of Notre Dame, IN 46556, USA
Venue:
NANOARCH '09 Proceedings of the 2009 IEEE/ACM International Symposium on Nanoscale Architectures
Year:
2009

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Abstract

This paper examines how realistic implementations of the drive circuitry needed to control circuit elements made from nano-scale magnets can affect system-level energy and performance. Expected non-uniform clock fields, clock field discontinuities and out-of-plane fields are all considered. We find that realistic fabrication mechanisms should not inhibit logical correctness and that this technology appears capable of outperforming low power CMOS equivalents with similar energy requirements — and paths to additional energy savings exist.