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Entropy considerations in improved circuits for a biologically-inspired random pulse computer
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Entropy considerations in improved circuits for a biologically-inspired random pulse computer
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Journal Article
Entropy considerations in improved circuits for a biologically-inspired random pulse computer
2022
Overview
We present five novel or modified circuits intended for building a universal computer based on random pulse computing (RPC) paradigm, a biologically-inspired way of computation in which variable is represented by a frequency of a random pulse train (RPT) rather than by a logic state. For the first time we investigate operation of RPC circuits from the point of entropy. In particular, we introduce entropy budget criterion (EBC) to reliably predict whether it is even possible to create a deterministic circuit for a given mathematical operation and show its relevance to numerical precision of calculations. Based on insights gained from the EBC, unlike in the previous art, where randomness is obtained from electronics noise or a pseudorandom shift register while processing circuitry is deterministic, in our approach both variable generation and signal processing rely on the random flip-flop (RFF) whose randomness is derived from a fundamentally random quantum process. This approach offers an advantage in higher precision, better randomness of the output and conceptual simplicity of circuits.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
