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    New Computing Architecture: Deep Learning with Light

    October 21, 2022, Categories  Physics, Technology/Electronics

    Artist’s rendering of a smart transceiver. The dark blue device has golden pathways and rectangles, which represent the wires that connect the smart transceiver chip to a circuit board. A light blue square covered with thin lines rises from the middle, to represent the smart transceiver chip. The thin lines represent an array of fibers that move light from lasers in and out of the chip.
    Caption:This rendering shows a novel piece of hardware, called a smart transceiver, that uses technology known as silicon photonics to dramatically accelerate one of the most memory-intensive steps of running a machine-learning model. This can enable an edge device, like a smart home speaker, to perform computations with more than a hundred-fold improvement in energy efficiency.
    Credits:Image: Alex Sludds. Edited by MIT New

    A new method uses optics to accelerate machine-learning computations on smart speakers and other low-power connected devices. The technique may enable self-driving cars to make decisions in realtime while only using a fraction of the energy that is currently demanded by their power-hungry on-board computers.

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