ChatGPT crowns user's "cache the halting problem" proposal as the dumbest idea he ever shared
genmon · x · 2026-10-24
genmon asked ChatGPT to recall the dumbest idea he'd ever told it. The winner: a proposal to solve the halting problem by caching — precomputing whether every possible Lua program up to 32KB halts and storing results in a lookup table. ChatGPT notes two minor obstacles: the table would need 2^262,144 entries (vastly more than atoms in the observable universe), and populating it requires solving the halting problem first. "Magnificent" for treating a fundamental limit of computation as an engineering problem solvable by adding a cache.
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