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TrueNorth

File:DARPA SyNAPSE 16 Chip Board.jpg
DARPA SyNAPSE 16 chip board with IBM TrueNorth

TrueNorth is a neuromorphic CMOS chip produced by IBM.[1] It consists of 4096 hardware cores, each one simulating 256 programmable silicon "neurons" for a total of just over a million neurons. In turn, each neuron has 256 programmable "synapses" which convey the signals between them. Hence, the total number of programmable synapses is just over 268 million (2^28). In terms of basic building blocks, the chip hosts 5.4 billion transistors. Since memory, computation, and communication are handled in each one of the 4096 neurosynaptic cores, TrueNorth circumvents the von-Neumann-architecture bottlenecks and is very energy-efficient, boasting a power consumption of 70 milliwatts, about 1/10,000th the power density of conventional microprocessors.[2]

See also

  • SyNAPSE – a DARPA program that aims to develop electronic neuromorphic machine technology

References

  1. ^ Merolla, P. A.; Arthur, J. V.; Alvarez-Icaza, R.; Cassidy, A. S.; Sawada, J.; Akopyan, F.; Jackson, B. L.; Imam, N.; Guo, C.; Nakamura, Y.; Brezzo, B.; Vo, I.; Esser, S. K.; Appuswamy, R.; Taba, B.; Amir, A.; Flickner, M. D.; Risk, W. P.; Manohar, R.; Modha, D. S. (2014). "A million spiking-neuron integrated circuit with a scalable communication network and interface". Science 345 (6197): 668. doi:10.1126/science.1254642.  edit
  2. ^ http://spectrum.ieee.org/computing/hardware/how-ibm-got-brainlike-efficiency-from-the-truenorth-chip How IBM Got Brainlike Efficiency From the TrueNorth Chip

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