Xin Tan (谭昕)

Preprints

1. Libra: Efficient Resource Management for Agentic RL Post-Training

   Kaiwen Chen, Xin Tan, Jingzong Li, Hong Xu

   Arxiv preprint, 2026.

   Arxiv
2. Frontier: Towards Comprehensive and Accurate LLM Inference Simulation

   Yicheng Feng, Xin Tan, Yangtao Deng, Yimin Jiang, Yibo Zhu, Hong Xu

   Arxiv preprint, 2026.

   Arxiv Code

Conference and Workshops

1. Dynamic Compute and Network Orchestration for Disaggregated RL

   Xin Tan, Yicheng Feng, Yu Zhou, Yimin Jiang, Yibo Zhu, Hong Xu

   ACM Special Interest Group on Data Communication (SIGCOMM), Research Track, 2026.

   Arxiv
2. DSV: Exploiting Dynamic Sparsity to Accelerate Large-Scale Video DiT Training

   Xin Tan, Yuetao Chen, Yimin Jiang, Xing Chen, Kun Yan, Nan Duan, Yibo Zhu, Daxin Jiang, Hong Xu

   ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), 2026.

   PDF Arxiv

   (Artifact Available, Functional, Reproduced)
3. Towards End-to-End Optimization of LLM-based Applications with Ayo

   Xin Tan, Yimin Jiang, Yitao Yang, Hong Xu

   ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), 2025.

   PDF Arxiv Code
4. RFabric: A Reconfigurable Network for the Rhythms of Disaggregated RL

   Xin Tan, Yicheng Feng, Yu Zhou, Yimin Jiang, Yibo Zhu, Hong Xu

   The 1st Frontier AI Systems Workshop (FAISys), 2025

   PDF
5. Arlo: Serving Transformer-based Language Models with Dynamic Input Lengths

   Xin Tan, Jiamin Li, Yitao Yang, Jingzong Li, Hong Xu

   ACM International Conference on Parallel Processing (ICPP), 2024.

   PDF
6. FOCUS: DLLMs Know How to Tame Their Compute Bound

   Kaihua Liang, Xin Tan, An Zhong, Hong Xu, Marco Canini

   Forty-third International Conference on Machine Learning (ICML), 2026

   Arxiv Code
7. MemShare: Memory Efficient Inference for Large Reasoning Models through KV Cache Reuse

   Kaiwen Chen, Xin Tan, Minchen Yu, Jingzong Li, Hong Xu

   IEEE/ACM International Symposium on Quality of Service (IWQoS), 2026

   Arxiv
8. Frontier: Simulating the Next Generation of LLM Inference Systems

   Yicheng Feng, Xin Tan, Kin Hang Sew, Yimin Jiang, Yibo Zhu, Hong Xu

   SOSP Workshop on Practical Adoption Challenges of ML for Systems (PACMI), 2025

   Arxiv