Evolutionary Approach to Approximate Digital Circuits Design
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- @Article{Vasicek:2014:ieeeTEC,
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author = "Zdenek Vasicek and Lukas Sekanina",
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title = "Evolutionary Approach to Approximate Digital Circuits
Design",
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journal = "IEEE Transactions on Evolutionary Computation",
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year = "2015",
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volume = "19",
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number = "3",
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pages = "432--444",
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month = jun,
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keywords = "genetic algorithms, genetic programming, Cartesian
Genetic Programming, Approximate Computing, Digital
circuits, Population Seeding",
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ISSN = "1089-778X",
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DOI = "doi:10.1109/TEVC.2014.2336175",
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size = "13 pages",
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abstract = "In approximate computing, the requirement of perfect
functional behaved can be relaxed because some
applications are inherently error resilient.
Approximate circuits, which fall into the approximate
computing paradigm, are designed in such a way that
they do not fully implement the logic behavior given by
the specification and hence their accuracy can be
exchanged for lower area, delay or power consumption.
In order to automate the design process, we propose to
evolve approximate digital circuits which show a
minimal error for a supplied amount of resources. The
design process which is based on Cartesian Genetic
Programming (CGP) can be repeated many times in order
to obtain various tradeoffs between the accuracy and
area. A heuristic seeding mechanism is introduced to
CGP which allows for improving not only the quality of
evolved circuits, but also reducing the time of
evolution. The efficiency of the proposed method is
evaluated for the gate as well as the functional level
evolution. In particular, approximate multipliers and
median circuits which show very good parameters in
comparison with other available implementations were
constructed by means of the proposed method.",
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notes = "also known as \cite{6848841}",
- }
Genetic Programming entries for
Zdenek Vasicek
Lukas Sekanina
Citations