Speculative Decoding vs. Diffusion: Why Speculation Wins
charles_irl · x · 2026-08-11
Tech blogger Joseph Barrow published an article titled Don't Diffuse, Speculate!, comparing two popular techniques in the current LLM inference acceleration landscape.
- The Core Trade-off: Both diffusion and speculative decoding essentially trade breadth (throughput) for depth (improving latency).
- Author's Take: The author argues that when making this trade-off, speculative decoding is the superior approach compared to diffusion.
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