collaborators

5 papers

cs.LG2026

GAC: Stabilizing Asynchronous RL Training for LLMs via Gradient Alignment Control

Haofeng Xu, Junwei Su, Yukun Tian +3

Asynchronous execution is essential for scaling reinforcement learning (RL) to modern large model workloads, including large language models and AI agents, but it can fundamentally…

cs.DC2026

Huawei Cloud Model-as-a-Service on the CloudMatrix384 SuperPod

Ao Xiao, Bangzheng He, Baoquan Zhang +125

Scaled-out MoE LLMs and scaled-up SuperPods create new systems challenges for production Model-as-a-Service (MaaS), requiring disaggregation, low-latency communication, and decentr…

cs.CL2026

Are you going to finish that? A Practical Study of the Partial Token Problem

Hao Xu, Alisa Liu, Jonathan Hayase +2

Language models (LMs) are trained over sequences of tokens, whereas users interact with LMs via text. This mismatch gives rise to the partial token problem, which occurs when a use…

cs.CL2026

Infini-gram mini: Exact n-gram Search at the Internet Scale with FM-Index

Hao Xu, Jiacheng Liu, Yejin Choi +2

Language models are trained mainly on massive text data from the Internet, and it becomes increasingly important to understand this data source. Exact-match search engines enable s…

cs.DC2025

DeepServe: Serverless Large Language Model Serving at Scale

Junhao Hu, Jiang Xu, Zhixia Liu +18

In this paper, we propose DEEPSERVE, a scalable and serverless AI platform designed to efficiently serve large language models (LLMs) at scale in cloud environments. DEEPSERVE addr…