Author

Haoliang Li

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#natural language process... Preprint Oct 2026

D-Loop: Looped Diffusion Drafting for Speculative Decoding

Block diffusion accelerates speculative decoding by drafting multiple tokens in one forward pass. However, each position predicts a marginal distribution without observing earlier proposed tokens, limiting draft quality and acceptance length. We identify a concrete failure, the \emph{repetition trap}, in which neighbor...

Ke-Cheng Chen, Yu-Yang He, Cheng Gong et al. · 0 citations

Preprint Aug 2026

RedEvoAgent: Automatic Red-Teaming Agent with Experience-Driven Skill Evolution

RedEvoAgent is proposed, a black-box red-teaming agent that distills cross-case attack trajectories into a concise, human-readable attack skill that outperforms fixed and agentic baselines, improves tool efficiency, and transfers across attacker models and target execution harnesses.

Jun-Jie Zhang, Hui Liu, Ke-Cheng Chen et al. · 0 citations