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A heat engine model of a reversible computation

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1 Author(s)
D. G. Jablonski ; Supercomput. Res. Center, Bowie, MD, USA

Using the tools of information theory and thermodynamics, reversible computation at the binary level is modeled as a heat engine operating in a Carnot cycle. The model defines an information-theoretic temperature for a binary system and predicts that reversible computation can be accomplished without the dissipation of energy. However, in the worst-case limit, kT log 2 joules of stored energy operation per bit are required, where T is not the ambient temperature but the information-theoretic temperature, which for this case is infinite

Published in:

Proceedings of the IEEE  (Volume:78 ,  Issue: 5 )