Meta just released a big new AI model called Llama 2. Meta didn't disclose how much water it used to train this AI model. Ren took that and looked at how efficient Meta data centers are when it comes to using energy and water. That yielded his estimate, which he said is almost double the water footprint of Meta's previous big AI model, Llama 1, which came out earlier this year. Meta's data centers used just over 5 million cubic meters of water in 2021.

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Persons: Meta, Shaolei Ren, Ren, He's, didn't Organizations: Alpaca Association, UC Riverside, Meta Locations: Arizona