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On a chip, even something as basic as selecting one input from a register file has to be built out of AND and OR gates wired together. Simple-seeming operations end up surprisingly expensive. Reiner Pope showed me how this stacks up. In older generations of chips, most of the... show more

Dwarkesh Patel

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27,876 views • 1 month ago •via X (Twitter)

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Billions of times a second, all the circuitry on an AI chip pauses, just for a moment. Why? Reiner Pope explained to me what's going on, and what the clock cycle of a chip is actually telling us:

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Watch this video of one of the largest data centres on earth, under construction in Texas…. The video shows the cooling system used for the Ai GPU CHIPS…. It’s made out of pure copper! Copper is used in data centres to transfer heat as well as electricity.

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