Tension Inside Google Over a Fired AI Researcher’s Conduct

Google employees claim a senior researcher fired earlier this year sought to undermine two more junior AI researchers by suggesting their results were wrong or even falsified.

IN LATE 2018, Google AI researchers Anna Goldie and Azalia Mirhoseini got the go-ahead to test an elegant idea. Google had invented powerful computer chips called tensor processing units, or TPUs, to run machine learning algorithms inside its data centers—but, the pair wondered, what if AI software could help improve that same AI hardware?

The project, later codenamed Morpheus, won support from Google’s AI boss Jeff Dean and attracted interest from the company’s chipmaking team. It focused on a step in chip design when engineers must decide how to physically arrange blocks of circuits on a chunk of silicon, a complex, months-long puzzle that helps determine a chip’s performance. In June 2021, Goldie and Mirhoseini were lead authors on a paper in the journal Nature that claimed a technique called reinforcement learning could perform that step better than Google’s own engineers, and do it in just a few hours.

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