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Masahiro Tanaka

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PEEK: Predictive Queue-Informed KV Cache Management for LLM Serving

PEEK maintains an incremental radix tree over the pending queue, exposing prefix-sharing clusters no existing engine surfaces, and matches the tree against the engine's prefix cache to yield longest-prefix-match for every waiting request.

Bing Xie, Zhi-Peng Wang, Masahiro Tanaka et al. · 0 citations
Conference Jul 2026

Managing KV Cache for Coordinated Waiting and Execution Time in LLM Serving

Large Language Model (LLM) serving systems face a KV-cache (KVC) bottleneck. In this paper, our experimental study shows that block-based allocation increases Time-Between-Tokens (TBT) due to preemptions, while prediction-based allocation increases Time-to-First-Token (TTFT) and TBT due to allocated but unused KVC and...

Hai-Ying Shen, Tanmoy Sen, Masahiro Tanaka · 0 citations

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