collaborators

5 papers

cs.LG2025

INT v.s. FP: A Comprehensive Study of Fine-Grained Low-bit Quantization Formats

Mengzhao Chen, Meng Wu, Hui Jin +10

Modern AI hardware, such as Nvidia's Blackwell architecture, is increasingly embracing low-precision floating-point (FP) formats to handle the pervasive activation outliers in Larg…

cs.CL2025

GatePro: Parameter-Free Expert Selection Optimization for Mixture-of-Experts Models

Chen Zheng, Yuhang Cai, Deyi Liu +7

Modern large language models leverage Mixture-of-Experts (MoE) architectures for efficient scaling, but face a critical challenge: functionally similar experts are often selected s…

cs.CL2025

Balanced Actor Initialization: Stable RLHF Training of Distillation-Based Reasoning Models

Chen Zheng, Yiyuan Ma, Yuan Yang +11

The development of alignment and reasoning capabilities in large language models has seen remarkable progress through two paradigms: instruction tuning and reinforcement learning f…

cs.CL2025

Model Merging in Pre-training of Large Language Models

Yunshui Li, Yiyuan Ma, Shen Yan +23

Model merging has emerged as a promising technique for enhancing large language models, though its application in large-scale pre-training remains relatively unexplored. In this pa…

cs.LG2025

Scaling Law for Quantization-Aware Training

Mengzhao Chen, Chaoyi Zhang, Jing Liu +8

Large language models (LLMs) demand substantial computational and memory resources, creating deployment challenges. Quantization-aware training (QAT) addresses these challenges by…