vLLM Speculative Decoding: 1.8x Faster Alone, Slower at 32 Users
I turned on vLLM speculative decoding on a Friday afternoon, ran my usual one-request benchmark, and watched tokens per second jump from about 48 to about 88. I wrote "1.8x free speedup" in the team channel. On Monday, with real traffic hitting the box at around 32 concurrent requests, aggregate th…
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- 2026-10-30 12:08 · DEV Community — Machine Learning
vLLM Speculative Decoding: 1.8x Faster Alone, Slower at 32 Users