65-70% of LLM speedup claims unimpressive, says dev: it's mostly speculative decoding and prompt lookup
teortaxesTex · x · 2026-09-23
In a discussion on LLM inference speedups, PrinceCanuma argues that in roughly 65%-70% of cases the speed improvements are not impressive — 'literally a PR away from losing' — with the rest relying on techniques like speculative decoding and prompt lookup. A sober counterpoint to inference-acceleration hype.
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