Nvidia chief downplays challenge from Google’s AI chip

Nvidia has staked a big chunk of its future on supplying powerful graphics chips used for artificial intelligence, so it wasn’t a great day for the company when Google announced two weeks ago that it had built its own AI chip for use in its data centers. Google’s Tensor Processing Unit, or TPU, was built specifically for deep learning, a branch of AI through which software trains itself to get better at deciphering the world around it, so it can recognize objects or understand spoken language, for example. TPUs have been in use at Google for more than a year, including for search and to improve navigation in Google Maps. They provide “an order of magnitude better-optimized performance per watt for machine learning” compared to other options, according to Google. […


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