Author

Lu Lv

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Preprint Aug 2026

TailSieve: Partial-Rollout-Guided Tail Routing for LLM Rollouts

TailSieve, a partial-rollout-guided framework that jointly controls tail routing and replica allocation for LLM rollouts, and shows that makespan-optimal routing in the long-tail regime combines tail isolation with load balancing, and that a simple top-k policy closely approximates this offline optimum.

Tianqi Xu, Lu Lv, Hao-Yang Huang et al. · 3 citations · ⚡1