In an office at Tsinghua University in Beijing, a computer chip is crunching data from a nearby camera, looking for faces stored in a database. Seconds later, the same chip, called Thinker, is handling voice commands in Chinese. Thinker is designed to support neural networks. But what’s special is how little energy it uses—just eight AA batteries are enough to power it for a year.
Thinker can dynamically tailor its computing and memory requirements to meet the needs of the software being run. This is important since many real-world AI applications—recognizing objects in images or understanding human speech—require a combination of different kinds of neural networks with different numbers of layers.
In December 2017, a paper describing Thinker’s design was published in the IEEE Journal of Solid-State Circuits, a top journal in computer hardware design. For the Chinese research community, it was a crowning achievement.
The chip is just one example of an important trend sweeping China’s tech sector. The country’s semiconductor industry sees a unique opportunity to establish itself amid the current wave of enthusiasm for hardware optimized for AI. Computer chips are key to the success of AI, so China needs to develop its own hardware industry to become a real force in the technology (see “China’s AI Awakening”).
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