Our poster for "Performant Synchronization in Geo-Distributed Databases" received the Excellent Poster Award at the World Young Scientist Summit (WYSS 2026).
Postdoctoral Researcher · Co-founder & CTO
Zheng Chen 陈政
Department of Computer Science and Technology, Tsinghua University
I am currently a Postdoctoral Researcher at Tsinghua University, working with Professor Jidong Zhai. I received my Ph.D. degree in 2025 and B.S. degree in 2020 from the School of Information, Renmin University of China.
I am also the Co-founder and Chief Technology Officer (CTO) of AetherHeart （上海以太之心科技有限公司）. The company has raised tens of millions of RMB in seed funding.
My research interests include high performance computing, big data management systems, graph analytics, graph compression, databases, and machine learning systems.
High Performance Computing
Graph Analytics
Databases
Machine Learning Systems
News
I received the 2026 ACM SIGHPC China Outstanding Doctoral Dissertation Award. News coverage.
Our paper "EcoxPU: Autonomous Multi-Agent Orchestration for Energy-Efficient Disaggregated LLM Inference on Heterogeneous xPUs" was accepted to IEEE Transactions on Parallel and Distributed Systems (TPDS).
I joined the Department of Computer Science and Technology at Tsinghua University as a Postdoctoral Researcher.
I received my Ph.D. degree from the School of Information, Renmin University of China.
Our paper "CompressGNN: Accelerating Graph Neural Network Training via Hierarchical Compression" was accepted to KDD 2025.
Selected Publications
arXiv 2026 Cordon: Semantic Transactions for Tool-Using LLM Agents
arXiv 2026 SkillSmith: Compiling Agent Skills into Boundary-Guided Runtime Interfaces
KDD 2025 CompressGNN: Accelerating Graph Neural Network Training via Hierarchical Compression
SIGMOD 2023 CompressGraph: Efficient Parallel Graph Analytics with Rule-Based Compression
TPDS 2021 An Efficient Parallel Secure Machine Learning Framework on GPUs
ICPP 2020 ParSecureML: An Efficient Parallel Secure Machine Learning Framework on GPUs
Awards
Excellent Poster Award, World Young Scientist Summit (WYSS), for "Performant Synchronization in Geo-Distributed Databases".
ACM SIGHPC China Outstanding Doctoral Dissertation Award.
Gold Medal With the congratulations of the jury, International Exhibition of Inventions Geneva.
Gold Medal With the congratulations of the jury, International Exhibition of Inventions Geneva.
National Postdoctoral Program for Postdoctoral Researchers, Class C.
Shuimu Scholar, Tsinghua University.
Nomination, Doctoral Dissertation Incentive Program, CCF Technical Committee on System Software.
Best Paper Award, IEEE Transactions on Parallel and Distributed Systems.
Academic Service
IEEE Transactions on Parallel and Distributed Systems (TPDS).
IEEE International Conference on Data Engineering (ICDE 2027).