kelk1 sends this article from the Stanford News Service: “Stanford bioengineers have developed faster, more energy-efficient microchips based on the human brain – 9, 000 times faster and using significantly less power than a typical PC (abstract). Kwabena Boahen and his team have developed Neurogrid, a circuit board consisting of 16 custom-designed ‘Neurocore’ chips. Together these 16 chips can simulate 1 million neurons and billions of synaptic connections. The team designed these chips with power efficiency in mind. Their strategy was to enable certain synapses to share hardware circuits. … But much work lies ahead. Each of the current million-neuron Neurogrid circuit boards cost about $40, 000. (…) Neurogrid is based on 16 Neurocores, each of which supports 65, 536 neurons. Those chips were made using 15-year-old fabrication technologies. By switching to modern manufacturing processes and fabricating the chips in large volumes, he could cut a Neurocore’s cost 100-fold – suggesting a million-neuron board for $400 a copy.” Read more of this story at Slashdot.
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Stanford Bioengineers Develop ‘Neurocore’ Chips 9,000 Times Faster Than a PC