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Prefill vs Decode: Why Splitting Them Wins

A user pastes an 8,000-token document into a chat box and hits send. On the server, that prompt takes about 320 milliseconds of pure GPU math to process. For those 320 milliseconds, every other user already chatting on that same GPU gets nothing — their text freezes mid-sentence. One new request, t…

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  1. 2026-11-13 17:06 · DEV Community — Machine Learning
    Prefill vs Decode: Why Splitting Them Wins

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