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IBM's TrueNorth Simulates 530 Billion Neurons

mikejuk (1801200) writes | about 2 years ago

AI 0

mikejuk (1801200) writes "IBM Research has broken new ground with a simulation of 530 billion (yes billion!) neurons in a network modeled on the connectivity of a monkey brain — almost enough for a complete working brain. The paper detailing the system involved, "TrueNorth", is simply titled 10^14 which is the number of synapses simulated. By comparison the human brain is estimated to have between 0.6 to 2.4 x 10^14 synapses.
The simulation of TrueNorth was run on the IBM Blue Gene/Q super computer at Lawrence Livermore Labs. The neuronal model is based on a leaky integrate-and-fire action, which is a relatively commonly used neural network. It is generally agreed that this is a reasonable baseline model of the behavior of a biological neuron but notice that it doesn't contain any element of learning so it is an incomplete model. Basically the simulation was of neurons wired up with the same statistical properties as a monkey brain. The simulation ran at about 1500 time slower than “reality” and don’t ask what the “brain” thought about as it only ran for about half a second of thinking time."

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