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Cache Invalidation Never Died. AI Just Made It Expensive Again.

This story is from 2026-09-12. It is preserved in the archive; the latest stories are on the live feed.

Why a programmer joke from the 1990s suddenly explains prompt caching, KV cache, LLM inference costs, latency, and even a few scary security problems By Mahan Tavakoli (MahanKenway) Tehran, Iran GitHub: MahanKenway The joke was never really a joke There is an old line in computer science: “There ar…

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  1. 2026-09-12 09:32 · DEV Community — AI
    Cache Invalidation Never Died. AI Just Made It Expensive Again.

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