Three Attention Types, One Cache: SGLang's Hybrid-Model Prefix Caching Plan

Unified Radix Cache puts FULL, SWA, and Mamba reuse rules into a single radix tree, while HiCache extends the components to L3. L3 hit rate reaches 98%, and the Python-to-Rust port cuts tail-turn TTFT by 42%.

Episode metadata supplied by the publisher feed · Published Aug 11, 2026

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Three Attention Types, One Cache: SGLang's Hybrid-Model Prefix Caching Plan

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