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How vLLM CUDA Kernels Write and Read the Paged KV Cache

This story is from 2026-10-09. It is preserved in the archive; the latest stories are on the live feed.

A request sees its tokens in order. The GPU may store their keys and values in physical cache blocks scattered across a shared pool. How does attention find the right data without first copying the request into one contiguous buffer? The connection is easiest to follow through two pieces of metadat…

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  1. 2026-10-09 17:39 · DEV Community — AI
    How vLLM CUDA Kernels Write and Read the Paged KV Cache

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