Doc. Ing. Zdeněk Vašíček, Ph.D.

VAŠÍČEK Zdeněk and SEKANINA Lukáš. Evolutionary Design of Approximate Multipliers Under Different Error Metrics. In: 17th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems. Warsaw: IEEE Computer Society, 2014, pp. 135-140. ISBN 978-1-4799-4558-0.
Publication language:english
Original title:Evolutionary Design of Approximate Multipliers Under Different Error Metrics
Title (cs):Evoluční návrh přibližných násobiček pro různá chybová kritéria
Pages:135-140
Proceedings:17th IEEE Symposium on Design and Diagnostics of Electronic Circuits and Systems
Conference:IEEE International Symposium on Design and Diagnostics of Electronic Circuits and Systems 2014
Place:Warsaw, PL
Year:2014
ISBN:978-1-4799-4558-0
Publisher:IEEE Computer Society
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Keywords
approximate circuit, multiplier, evolutionary design
Annotation
Approximate circuits are digital circuits which are intentionally designed in such a way that the specification is not met in terms of functionality in order to obtain some improvements in power consumption, performance or area, in comparison with fully functional circuits. In this paper, we propose to design approximate circuits using evolutionary design techniques. In particular, different error metrics are utilized to assess the circuit functionality. The proposed method begins with a fully functional circuit which is then intentionally degraded by Cartesian genetic programming (CGP) to obtain a circuit with a predefined error. In the second phase, CGP is used to minimize the number of gates or another error criterion. The effect of various error metrics on the search performance, area and power consumption is evaluated in the task of multiplier design.
BibTeX:
@INPROCEEDINGS{
   author = {Zden{\v{e}}k Va{\v{s}}{\'{i}}{\v{c}}ek and Luk{\'{a}}{\v{s}}
	Sekanina},
   title = {Evolutionary Design of Approximate Multipliers Under
	Different Error Metrics},
   pages = {135--140},
   booktitle = {17th IEEE Symposium on Design and Diagnostics of Electronic
	Circuits and Systems},
   year = {2014},
   location = {Warsaw, PL},
   publisher = {IEEE Computer Society},
   ISBN = {978-1-4799-4558-0},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php.en.iso-8859-2?id=10513}
}

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