Matches in SemOpenAlex for { <https://semopenalex.org/work/W3134983912> ?p ?o ?g. }
- W3134983912 abstract "Directed acyclic graphs or Bayesian networks that are popular in many AI related sectors for probabilistic inference and causal reasoning can be mapped to probabilistic circuits built out of probabilistic bits (p-bits), analogous to binary stochastic neurons of stochastic artificial neural networks. In order to satisfy standard statistical results, individual p-bits not only need to be updated sequentially, but also in order from the parent to the child nodes, necessitating the use of sequencers in software implementations. In this article, we first use SPICE simulations to show that an autonomous hardware Bayesian network can operate correctly without any clocks or sequencers, but only if the individual p-bits are appropriately designed. We then present a simple behavioral model of the autonomous hardware illustrating the essential characteristics needed for correct sequencer-free operation. This model is also benchmarked against SPICE simulations and can be used to simulate large scale networks. Our results could be useful in the design of hardware accelerators that use energy efficient building blocks suited for low-level implementations of Bayesian networks. The autonomous massively parallel operation of our proposed stochastic hardware has biological relevance since neural dynamics in brain is also stochastic and autonomous by nature." @default.
- W3134983912 created "2021-03-15" @default.
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- W3134983912 date "2021-03-08" @default.
- W3134983912 modified "2023-10-01" @default.
- W3134983912 title "Hardware Design for Autonomous Bayesian Networks" @default.
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- W3134983912 doi "https://doi.org/10.3389/fncom.2021.584797" @default.
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