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Kexin Huang

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#machine learning Preprint Sep 2026

Know When to Stop, Where to Restart: Accelerating Multi-Turn Agentic On-Policy Distillation

STRIDE (Stop-and-Restart on-policy Distillation acceleration), which combines two complementary techniques: adaptive early stopping, which terminates a rollout once the cumulative teacher log-probability falls below an out-of-distribution threshold, and a prefix buffer, which caches high-quality prefixes and restarts g...

Zhi-Yu Gui, Ke-Xin Huang, Jia Guo et al. · 1 citation
Jul 2026

ARMOR: Stabilizing On-Policy LLM RL with Off-Policy Anchor Samples

This work proposes ARMOR (Anchor Rollout and Mixed Optimization for RL), a framework that shifts the paradigm from passive penalty to active sample stabilization, enabling sustained performance improvements over extended training horizons.

Kexin Huang, Junkang Wu, Jinda Lu et al. · 0 citations
Jun 2026

Experience Augmented Policy Optimization for LLM Reasoning

This work proposes Experience-Augmented Policy Optimization (EAPO), which leverages a prior RL-optimized policy as an action-level experience prior and selectively injects experience at critical decision points during rollout to ensure stable and unbiased learning from experience-augmented rollouts.

Jinda Lu, Kexin Huang, Junkang Wu et al. · 2 citations

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