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FlashPrefillV2 gives 47 long‑context speedup

This story is from 2026-08-26. It is preserved in the archive; the latest stories are on the live feed.

Sparse block‑prefill kernels now make 128 K token prompts tractable for dense LLMs, shattering the long‑standing quadratic bottleneck that forces most services to truncate inputs. FlashPrefill V2 flips the script by delivering an order‑of‑magnitude speedup while keeping output quality essentially i…

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  1. 2026-08-26 05:00 · DEV Community — Machine Learning
    FlashPrefillV2 gives 47 long‑context speedup

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