Role of circuit representation in evolutionary design of energy-efficient approximate circuits
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- @Article{Mrazek:2018:IETcdt,
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author = "Vojtech Mrazek and Zdenek Vasicek and Radek Hrbacek",
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title = "Role of circuit representation in evolutionary design
of energy-efficient approximate circuits",
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journal = "IET Computers \& Digital Techniques",
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year = "2018",
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volume = "12",
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number = "4",
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pages = "139--149",
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month = jul,
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keywords = "genetic algorithms, genetic programming",
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ISSN = "1751-8601",
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DOI = "doi:10.1049/iet-cdt.2017.0188",
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URL = "http://digital-library.theiet.org/content/journals/10.1049/iet-cdt.2017.0188",
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abstract = "Circuit approximation has been introduced in recent
years as a viable method for constructing
energy-efficient electronic systems. An open problem is
how to effectively obtain approximate circuits showing
good compromises between key circuit parameters -- the
error, power consumption, area and delay. The use of
evolutionary algorithms in the task of circuit
approximation has led to promising results.
Unfortunately, only relatively small circuit instances
have been tackled because of the scalability problems
of the evolutionary design method. This study
demonstrates how to push the limits of the evolutionary
design by choosing a more suitable representation on
the one hand and a more efficient fitness function on
the other hand. In particular, the authors show that
employing full adders as building blocks leads to more
efficient approximate circuits. The authors focused on
the approximation of key arithmetic circuits such as
adders and multipliers. While the evolutionary design
of adders represents a rather easy benchmark problem,
the design of multipliers is known to be one of the
hardest problems. The authors evolved a comprehensive
library of energy-efficient 12-bit multipliers with a
guaranteed worst-case error. The library consists of 65
Pareto dominant solutions considering power, delay,
area and error as design objectives.",
- }
Genetic Programming entries for
Vojtech Mrazek
Zdenek Vasicek
Radek Hrbacek
Citations