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Zhi-Chao Cao

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Preprint Jul 2026

TokTier: Exact Stateful CPU+GPU Tokenization for Agentic LLM Serving

TokTier is a stateful CPU+GPU tokenization service for this two-mode workload, under one contract that re-tokenizes a small window around the append and splices only when a per-request check finds a stable pre-tokenization boundary.

Zhen-Yu Zhang, Zhi-Chao Cao · 3 citations

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