He and UCL’s Christos Sakellariou have created a computer in which data is married up with instructions on what to do with it. For example, it links the temperature outside with what to do if it’s too hot. It then divides the results up into pools of digital entities called “systems”.
Each system has a memory containing context-sensitive data that means it can only interact with other, similar systems. Rather than using a program counter, the systems are executed at times chosen by a pseudorandom number generator, designed to mimic nature’s randomness. The systems carry out their instructions simultaneously, with no one system taking precedence over the others, says Bentley. “The pool of systems interact in parallel, and randomly, and the result of a computation simply emerges from those interactions,” he says.
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