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Ben Feng

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#natural language process... Preprint Oct 2026

TreeSpark: Learning to Draft the Trees You Verify for Speculative Decoding

TreeSpark is introduced, a unified training and inference framework extending the semi-autoregressive DSpark architecture that constructs parent-conditioned candidate trees from one backbone pass and replays their expansion, pruning, and budgeted packing during training.

Jihao Zhao, Qian-Yu Jiang, Shuai-Shuai Zu et al. · 0 citations
Preprint Aug 2026

MoE Proxy Models for Low-Cost Failure Reproduction and Diagnosis in LLM RL Post-Training

This paper systematically analyzes failures encountered during large-scale RL training on the Huawei Ascend platform, summarizes representative failure types, and identifies three model-side factors relevant to fault reproduction.

Yikai Wang, Chuansai Zhou, Yuhang Zhou et al. · 0 citations

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