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Wanyu Lin

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Dynamic Model Merging Made Slim

DiDi-Merging is proposed, which jointly allocates low-rank capacity to these components through differentiable rank selection, followed by data-free parameter-space refinement, followed by data-free parameter-space refinement.

Guo-Dong Du, Wan-Yu Lin · 3 citations
#machine learning Preprint Oct 2026

NestedVLA: Learning to Consolidate and Generate Skills for Vision-Language-Action Models

Vision-language-action (VLA) models can learn a wide range of robotic skills, but combining separately trained skills remains challenging. The original training data may be unavailable for joint retraining, while directly merging model weights can cause interference. We propose NestedVLA, which consolidates independent...

Guo-Dong Du, Wan-Yu Lin · 0 citations
#natural language process... Preprint Oct 2026

Nucleus Speculative Decoding: Plausibility-Aware Verification Beyond Exact Distribution

Speculative decoding accelerates autoregressive generation by using a lightweight draft model to propose multiple tokens that are verified by a target model in parallel. However, the standard acceptance rule focuses on exact distribution correction and rejects tokens that remain highly plausible under the target model...

Shu-Hao Li, Fang-Hua Ye, Wan-Yu Lin et al. · 0 citations
Jul 2026

Post-Training Shifts Confidence: A Three-Stage Analysis of How SFT, RL, and OPD Shape CoT Calibration

A three-stage calibration framework that evaluates confidence before, during, and after chain-of-thought generation, corresponding to difficulty estimation, early termination, and answer aggregation finds that OPD provides the most useful pre-reasoning confidence, SFT gives the strongest online signal for early stoppin...

Shu-Hao Li, Guodong Du, An-Hao Zhao et al. · 1 citation
Preprint Jul 2026

Post-Training Shifts Confidence: A Three-Stage Analysis of How SFT, RL, and OPD Shape Pre-, Intra-, and Post-CoT Calibration

A three-stage calibration framework that evaluates confidence before, during, and after chain-of-thought generation, corresponding to difficulty estimation, early termination, and answer aggregation finds that OPD provides the most useful pre-reasoning confidence, SFT gives the strongest online signal for early stoppin...

Shuhao Li, Guodong Du, Anhao Zhao et al. · 0 citations

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