1 million neurons in an IBM chip. Free Technical Library News

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1 million neurons in an IBM chip

14.08.2014

IBM Corporation announced a technological breakthrough in the field of "thinking chips" - chips that work in the likeness of the brain of a living being. The breakthrough lies in the creation of a chip with an unprecedented number of "neurons", which amounted to 1 million, and "synapses" (connections between neurons), which amounted to 256 million.

For comparison, in 2011, IBM developed a chip with 256 "neurons" and 262144 "synapses." The breakthrough, among other things, is based on a multiple increase in the number of cores (up to 4096 pieces).

The new chip not only contains a record number of "neurons", but is also one of the largest CMOS chips ever made. It contains 5,4 billion transistors and is capable of performing 46 billion "synaptic operations" per second, per watt.

The microcircuit differs in record indicators of power consumption. The specific power of the chip is 20 mW/cm2, which is 4 orders of magnitude less than in modern processors. In general, the chip consumes 70 mW, which is also several orders of magnitude less than modern semiconductor components.

"After several years of collaboration with IBM, today we are one step closer to creating a computer that works like our brain," said Rajit Manohar, professor at the Cornell Tech Center at Cornell University in the US, who is involved in the development " Thinking Chip" IBM.

Scientists believe that chips, the principles of which repeat the principles of the human brain, in the face of an increasing amount of data and increasing requirements for computing power in the future, can replace processors with the von Neumann architecture.

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