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United States : Carbon nanotubes have potential of packing computing power of IBM Watson system into smartphone

July 14, 2014



A researcher from Stanford University, H.S. Philip Wong, says carbon nanotubes have the potential of packing the computing power of an IBM Watson system into a smartphone.

Speaking at Semicon West, Wong described a theoretical 3D chip stack interleaving next-generation memory and logic technologies made with carbon nanotubes. Privately, he noted that the material still has a several issues before it is ready for practical use.

He showed a "club sandwich" produced from carbon nanotubes. It interleaved layers of resistive and magnetic RAM with logic layers produced from 1D and 2D field effect transistors.

He said : "This design requires new, high-efficiency heat spreaders, the thermal aspect is critically important."

The resulting design could deliver a thousand-fold power reduction for the IBM system that used 175kW power to beat human competitors in the Jeopardy game show. That system packed 2,880 IBM Power 7 cores running at 3.5GHz delivering 80TFlops.

Wong said : "All the content was loaded into Watson's DRAM, not hard drives, because so much energy is spent in moving data." Although a handheld Watson is not expected to come to the retail store anytime soon, the researcher did summarise recent development with carbon nanotubes.


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Source: TendersInfo (India)


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