collaborators

6 papers

cs.LG2026

Near-Policy: Accelerating On-Policy Distillation via Asynchronous Generation and Selective Packing

Miao Rang, Zhenni Bi, Hang Zhou +6

Standard knowledge distillation for autoregressive models often suffers from distribution mismatch. While on-policy methods mitigate this by leveraging student-generated outputs, t…

cs.LG2026

An Empirical Study of World Model Quantization

Zhongqian Fu, Tianyi Zhao, Kai Han +3

World models learn an internal representation of environment dynamics, enabling agents to simulate and reason about future states within a compact latent space for tasks such as pl…

cs.CL2026

VersatileFFN: Achieving Parameter Efficiency in LLMs via Adaptive Wide-and-Deep Reuse

Ying Nie, Kai Han, Hongguang Li +5

The rapid scaling of Large Language Models (LLMs) has achieved remarkable performance, but it also leads to prohibitive memory costs. Existing parameter-efficient approaches such a…

cs.LG2025

ROOT: Robust Orthogonalized Optimizer for Neural Network Training

Wei He, Kai Han, Hang Zhou +4

The optimization of large language models (LLMs) remains a critical challenge, particularly as model scaling exacerbates sensitivity to algorithmic imprecision and training instabi…

cs.CV2025

Revealing the Power of Post-Training for Small Language Models via Knowledge Distillation

Miao Rang, Zhenni Bi, Hang Zhou +6

The rapid advancement of large language models (LLMs) has significantly advanced the capabilities of artificial intelligence across various domains. However, their massive scale an…

cs.LG2025

LLM Data Selection and Utilization via Dynamic Bi-level Optimization

Yang Yu, Kai Han, Hang Zhou +4

While large-scale training data is fundamental for developing capable large language models (LLMs), strategically selecting high-quality data has emerged as a critical approach to…