collaborators

8 papers

cs.LG2026

Closed-Form Spectral Regularization for Multi-Task Model Merging

Yongxian Wei, Runxi Cheng, Xingxuan Zhang +4

Model merging combines several independently fine-tuned experts into a single multi-task model without any training data, reducing the storage, serving, and decentralized-developme…

cs.CL2026

Memory Grafting: Scaling Language Model Pre-training via Offline Conditional Memory

Runxi Cheng, Yuchen Guan, Yongxian Wei +7

Scaling conditional memory offers a promising way to increase language-model capacity, but existing methods such as Engram learn large memory tables from scratch during pre-trainin…

cs.CL2025

Mixture of Neuron Experts

Runxi Cheng, Yuchen Guan, Yucheng Ding +6

In this work, we first explore whether the parameters activated by the MoE layer remain highly sparse at inference. We perform a sparsification study on several representative MoE…

cs.CV2025

Text-guided Visual Prompt DINO for Generic Segmentation

Yuchen Guan, Chong Sun, Canmiao Fu +3

Recent advancements in multimodal vision models have highlighted limitations in late-stage feature fusion and suboptimal query selection for hybrid prompts open-world segmentation,…

cs.CV2025

Enhancing Logits Distillation with Plug\&Play Kendall's Ranking Loss

Yuchen Guan, Runxi Cheng, Kang Liu +1

Knowledge distillation typically minimizes the Kullback-Leibler (KL) divergence between teacher and student logits. However, optimizing the KL divergence can be challenging for the…

cs.LG2025

Whoever Started the Interference Should End It: Guiding Data-Free Model Merging via Task Vectors

Runxi Cheng, Feng Xiong, Yongxian Wei +2

Model merging seeks to integrate task-specific expert models into a unified architecture while preserving multi-task generalization capabilities, yet parameter interference between…