collaborators

6 papers

cs.AI2026

ReQuant: Fixed-Grid Discrete Refinement for Post-Training Quantization

Yongge Ma, Guoan Wang, Feiyu Wang +5

Post-training quantization (PTQ) is widely used to reduce the memory and computational cost of large language models. Existing PTQ methods typically obtain an initial quantized mod…

cs.AI2026

Formal Skill: Programmable Runtime Skills for Efficient and Accurate LLM Agents

Xi Zhang, Meijun Gao, Yuntian Zhao +6

Large Language Model (LLM) agents increasingly act inside real workspaces, where tools and skills determine whether model reasoning becomes reliable action. Existing skills remain…

cs.LG2026

FairyFuse: Multiplication-Free LLM Inference on CPUs via Fused Ternary Kernels

Fei Zuo, Xiaoyan Xi, Quanyi Zeng +2

Large language models are increasingly deployed on CPU-only platforms where memory bandwidth is the primary bottleneck for autoregressive generation. Weight quantization to four bi…

cs.LG2026

Fairy2i: Training Complex LLMs from Real LLMs with All Parameters in

Feiyu Wang, Xinyu Tan, Bokai Huang +4

Large language models (LLMs) have revolutionized artificial intelligence, yet their massive memory and computational demands necessitate aggressive quantization, increasingly pushi…

cs.LG2026

HESTIA: A Hessian-Guided Differentiable Quantization-Aware Training Framework for Extremely Low-Bit LLMs

Guoan Wang, Feiyu Wang, Zongwei Lv +2

As large language models (LLMs) continue to scale, deployment is increasingly bottlenecked by the memory wall, motivating a shift toward extremely low-bit quantization. However, mo…

cs.LG2025

iFairy: the First 2-bit Complex LLM with All Parameters in

Feiyu Wang, Guoan Wang, Yihao Zhang +7

Quantization-Aware Training (QAT) integrates quantization into the training loop, enabling LLMs to learn robust low-bit representations, and is widely recognized as one of the most…