collaborators

5 papers

cs.IR2026

Transparent and Controllable Recommendation Filtering via Multimodal Multi-Agent Collaboration

Chi Zhang, Zhipeng Xu, Jiahao Liu +5

While personalized recommender systems excel at content discovery, they frequently expose users to undesirable or discomforting information, highlighting the critical need for user…

cs.LG2026

The Curse and Blessing of Mean Bias in FP4-Quantized LLM Training

Hengjie Cao, Zhendong Huang, Mengyi Chen +15

FP4 training promises substantial memory and compute savings for large language models, but remains fragile because blockwise quantization is dictated by extreme activation magnitu…

cs.LG2026

Spectra: Rethinking Optimizers for LLMs Under Spectral Anisotropy

Zhendong Huang, Hengjie Cao, Fang Dong +14

Gradient signals in LLM training are highly anisotropic: recurrent linguistic structure concentrates energy into a small set of dominant spectral directions, while context specific…

cs.CV2024

Denoising Reuse: Exploiting Inter-frame Motion Consistency for Efficient Video Latent Generation

Chenyu Wang, Shuo Yan, Yixuan Chen +10

Video generation using diffusion-based models is constrained by high computational costs due to the frame-wise iterative diffusion process. This work presents a Diffusion Reuse MOt…

cs.LG2024

Train Faster, Perform Better: Modular Adaptive Training in Over-Parameterized Models

Yubin Shi, Yixuan Chen, Mingzhi Dong +10

Despite their prevalence in deep-learning communities, over-parameterized models convey high demands of computational costs for proper training. This work studies the fine-grained,…