I built an attention head out of a 1982 associative memory and measured where it breaks
This story is from 2026-10-18. It is preserved in the archive; the latest stories are on the live feed.
The second-biggest story on Hacker News this morning (590 points) is titled "You could have invented transformers from memory" — the argument, in one line, is that attention is what you get when you take a classical associative memory and make its retrieval rule differentiable. It's a lovely essay.…
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- 2026-10-18 14:01 · DEV Community — Machine Learning
I built an attention head out of a 1982 associative memory and measured where it breaks