Intel buys into an AI chip that can transfer data 1,000 times faster

Intel buys into an AI chip that can transfer data 1,000 times faster

Intel is investing $13 million in Untether AI, a startup that’s working on a novel type of chip for artificial intelligence that promises to perform neural-network calculations at warp speed.

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Speedup: Untether, based in Toronto, Canada, has already developed a prototype device that transfers data between different parts of the chip 1,000 times more quickly than a conventional AI chip. That’s an impressive achievement, but it should be treated cautiously since the prototype is far larger than an actual chip—and because other factors will contribute to the overall performance of the finished device.

Bottleneck: One of the key challenges with modern chips is shuttling data from memory to the units used to perform logical operations. This is especially problematic as the amount of data that chips need to process increases, as is the case with AI applications such as face or voice recognition. Untether uses what’s known as “near-memory computing” to reduce the physical distance between memory and the processing tasks, which speeds up data transfer and lowers power consumption.

On edge: Untether is developing what’s known as an “inference chip.” This is different from the sort of chip used to train a large neural network in a data center, which is a much bigger challenge to design and make. Instead, an inference chip is more akin to a chip that runs on a device like a smartphone or a camera. The deep-learning boom has led to a huge amount of commercial activity around such inference chips.

No Moore: Such new approaches are gaining momentum as Moore’s Law—the idea that microchips can be improved at a steady rate simply by scaling down the size of transistors that fit on them—shows signs of reaching its limit. Untether is not the only company working on in-memory computing for neural networks, in fact. One competitor, based in Redwood, CA, is Mythic.

FOMO: Untether’s design might be experimental, but one can understand why Intel would invest. The company has seen its dominance eroded in recent years with the rise of mobile devices that use alternative chip designs. It is now desperate not to miss out on the AI boom as well. A couple of years ago, Intel acquired Nervana, a startup developing chips for deep learning, and it is currently readying the first products based on those designs.

 

Source:- technologyreview

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