Author

Huishuai Zhang

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Jul 2026

DSpark: Confidence-Scheduled Speculative Decoding with Semi-Autoregressive Generation

DSpark is introduced, a speculative decoding framework that unifies high-throughput parallel generation with adaptive, load-aware verification, and enables performance tiers that were previously unattainable, shifting the Pareto frontier of the DeepSeek-V4 serving system.

Xin Cheng, Xingkai Yu, Chenze Shao et al. · arXiv.org · 24 citations · ⚡8

#small language model Preprint Aug 2026

Boosting LLM Exploration via Weak-Model Guidance in RLVR

This work empirically study the potential of outer prefixes, revealing the mechanism of the impact of distributional discrepancy to the exploration dynamics in RLVR training and efficiently mitigates entropy collapse without requiring additional SFT, intricate reward designs, or complex prompting.

Xin Shen, Huishuai Zhang, Peng Li et al. · 0 citations