About

Chao Wang is a Staff Engineer on the LongCat team at Meituan (Beidou Talent Program). The work focuses on LLM inference, including reliability, performance, and cost efficiency. Chao Wang received a Ph.D. in Computer Science and Engineering from The Chinese University of Hong Kong in 2026, advised by Prof. Ming-Chang Yang. Chao Wang’s publications include papers at OSDI, ICML, SC, and VLDB.

Education

PhD in Computer Science and Engineering

The Chinese University of Hong Kong (CUHK): 2020 - 2026

Bachelor of Engineering in Computer Science and Technology

Huazhong University of Science and Technology (HUST): 2016 - 2020

Publications

Timnah: A Tier-Memory-Native Hashing for Modern Tiered Memory Systems

Han Zhao*, Chao Wang* (co-first author), Hua Fan, Wenchao Zhou, Eric Lo, Ming-Chang Yang

VLDB'27

Prefill-Decode Aggregation or Disaggregation? Unifying Both for Goodput-Optimized LLM Serving

Chao Wang, Pengfei Zuo, Zhangyu Chen, Yunkai Liang, Zhou Yu, Ming-Chang Yang

SC'26, FAISys Talk, ArXiv, 公众号

TileSparse: Arithmetic-Intensity-Aware Sparse Attention for Compute-Bound LLM Decoding

Chao Wang, Pengfei Zuo, Zhangyu Chen, Qihui Zhou, Tsung-Yi Ho, Ming-Chang Yang

ICML'26

SEPH: Scalable, Efficient, and Predictable Hashing on Persistent Memory

Chao Wang, Junliang Hu, Tsun-Yu Yang, Yuhong Liang, Ming-Chang Yang

OSDI'23 (First OSDI paper from CUHK)

SparseServe: Unlocking Parallelism for Dynamic Sparse Attention in Long-Context LLM Serving

Qihui Zhou, Peiqi Yin, Pengfei Zuo, Chao Wang, James Cheng

ICS'26

CARINA: An Efficient CXL-Oriented Embedding Serving System for Recommendation Models

Peiqi Yin, Qihui Zhou, Xiao Yan, Chao Wang, Eric Lo, Changji Li, Lan Lu, Hua Fan, Wenchao Zhou, Ming-Chang Yang, James Cheng

SIGMOD'25

Aceso: Achieving Efficient Fault Tolerance in Memory-Disaggregated Key-Value Stores

Zhisheng Hu, Pengfei Zuo, Yizou Chen, Chao Wang, Junliang Hu, Ming-Chang Yang

SOSP'24 (Second SOSP paper from CUHK)

Academic Service

External Reviewer

OSDI'26, Eurosys'26, ICML'26, SoCC'26, HPCA'25, NSDI'25, FAST'24, ATC'24, SIGMOD'24, TOS'24, DAC'20-21, NAS'24, ASP-DAC'24, CODES'20~23, ICCAD'22, RTAS'21