Kvcached

Judgement

What it is

Building block

What it does

A library that gives LLM serving engines such as vLLM and SGLang an elastic, virtual-memory style KV cache so several models can share one GPU.

Adopt it when

You run multiple models on shared GPUs with bursty traffic and want better utilisation.

Watch out

Research-stage at version 0.1, and it hooks deeply into serving engine internals.

Ready for

Experimental

Runs as

Library

Built with

Python, C++, vLLM and SGLang

How established

Young: started 17 months ago, latest release v0.1.6.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Kvcached → CPython → GCC → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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