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atq2119today at 5:40 AM1 replyview on HN

Yes, that is indeed O(N^2). Which, by the way, is not exponential.

Also by the way, caching does not make LLM inference linear. It's still quadratic, but the constant in front of the quadratic term becomes a lot smaller.


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computablytoday at 9:20 AM

> Also by the way, caching does not make LLM inference linear. It's still quadratic, but the constant in front of the quadratic term becomes a lot smaller.

Touché. Still, to a reasonable approximation, caching makes the dominant term linear, or equiv, linearly scales the expensive bits.