50+

Publications in top-tier conferences and journals

ISCA, MICRO, ASPLOS, HPCA, etc.

15+

Brilliant researchers

With various backgrounds

5+

Active research projects

Embodied AI, 3D IC, RISCV, etc.

Research Areas

Computer Architecture

CPU micro-Architecture, GPU micro-Architecture, FPGA, Tensor Core, Domain Specific Accelerator, etc.

Artificial Intelligence

Machine Learning, Large Language Model (LLM), Quantization and Compression, Sparsity, Number-formats, AI-assisted design automation, etc.

VLSI & Design Automation

3D-IC, Process-in-Memory (PIM), Chiplet, Serdes, Interposers, Advanced Packaging Methods, EDA Softwares, Hardware Abstraction, etc.

Meet Our Team

World-class researchers pushing the boundaries of science and engineering

Principal Investigator

Yuan Xie

Yuan Xie

Chair Professor

Fang Professor of Engineering | Chair Professor | IEEE/ACM/AAAS Fellow

Postdoctoral Researchers

Chen Bai

Chen Bai

Postdoctoral Researcher

Chen Bai's research interests include computer architecture and electronic design automation. He received best paper awards from ICCAD 2021 and ISPD 2024.

Bangyan Wang

Bangyan Wang

Postdoctoral Researcher

Ceyu Xu

Ceyu Xu

Postdoctoral Researcher

Hao Yu

Hao Yu

Postdoctoral Researcher

Zhenhua Zhu

Zhenhua Zhu

Postdoctoral Researcher

Ph.D. Students

Xin Fan

Xin Fan

Ph.D. Student

Qi Liu

Qi Liu

Ph.D. Student

Shiyi Liu

Shiyi Liu

Ph.D. Student

My research focuses on technology-driven architecture design.

3D IC AI System
Ruyi Song

Ruyi Song

Ph.D. Student

Xiangfeng Sun

Xiangfeng Sun

Ph.D. Student

Xiangfeng Sun is an Ph.D. student at the Hong Kong University of Science and Technology specializing in computer architecture and VLSI. He aims for his research to be both meaningful and interesting.

Hongyi Wang

Hongyi Wang

Ph.D. Student

Hongyi Wang is currently a master student at Tsinghua University. His research interests include hardware-software co-design and FPGA-based accelerators. Hongyi Wang is set to join FACT Lab in 2025 to pursue his doctoral degree.

Yiran Xia

Yiran Xia

Ph.D. Student

Zhaohui Yang

Zhaohui Yang

Ph.D. Student

My research interests focus on quantum computer system design and fault-tolerant quantum computing, to bridge the gap between algorithms and bottom-layer physical devices.

Jiangnan Yu

Jiangnan Yu

Ph.D. Student

My research focuses on the relationship between Hardware Accelerators and High-Performance Computing (HPC).

Exchange Students

Ziyu Gu

Ziyu Gu

Exchange Student

Weikai Xu

Weikai Xu

Exchange Student

Recent Publications
Ceyu Xu, Xiangfeng Sun, Weihang Li, Chen Bai, Bangyan Wang, Mengming Li, Zhiyao Xie, Yuan Xie (2026). PF-LLM: Large Language Model Hinted Hardware Prefetching. Proceedings of the 31th ACM International Conference on Architectural Support for Programming Languages and Operating Systems.
Chen Bai, Xin Fan, Zhenhua Zhu, Wei Zhang, Yuan Xie (2025). AccelStack: A Cost-Driven Analysis of 3D-Stacked LLM Accelerators. 2025 IEEE/ACM International Conference on Computer Aided Design (ICCAD).
PDF Slides Code
Hongyi Wang, Zhenhua Zhu, Tianchen Zhao, Yunfei Xiang, Zehao Wang, Jincheng Yu, Huazhong Yang, Yuan Xie, Yu Wang (2025). REACT3D: Real-time Edge Accelerator for Incremental Training in 3D Gaussian Splatting based SLAM Systems. Proceedings of the 58th IEEE/ACM International Symposium on Microarchitecture®.
Ceyu Xu, Yongji Wu, Xinyu Yang, Beidi Chen, Matthew Lentz, Danyang Zhuo, Lisa Wu Wills (2025). LLM. 265: Video Codecs are Secretly Tensor Codecs. Proceedings of the 58th IEEE/ACM International Symposium on Microarchitecture® 🏆Best Paper Award.
Slides
Ling Liang, Zhen Gu, Fahong Zhang, Zhaohui Chen, Zhirui Li, Xin Fan, Dimin Niu, Meng LI, Zhiyong Li, Zongwei Wang, Others (2025). Matrix: Multi-Cipher Structures Dataflow for Parallel and Pipelined TFHE Accelerator. ACM Transactions on Architecture and Code Optimization.
Tianchan Guan, Yijin Guan, Zhaoyang Du, Jiacheng Ma, Boyu Tian, Zhao Wang, Teng Ma, Zheng Liu, Yang Kong, Yuan Xie, Others (2025). MemTunnel: a CXL-based Rack-Scale Host Memory Pooling Architecture for Cloud Service. IEEE Transactions on Parallel and Distributed Systems.
Cong Li, Yihan Yin, Xintong Wu, Jingchen Zhu, Zhutianya Gao, Dimin Niu, Qiang Wu, Xin Si, Yuan Xie, Chen Zhang, Others (2025). H2-LLM: Hardware-Dataflow Co-Exploration for Heterogeneous Hybrid-Bonding-based Low-Batch LLM Inference. Proceedings of the 52nd Annual International Symposium on Computer Architecture. 🏆Best Paper Award.
Guyue Huang, Hao Li, Le Qin, Jiayi Huang, Yangwook Kang, Yufei Ding, Yuan Xie (2025). TRACI: Network Acceleration of Input-Dynamic Communication for Large-Scale Deep Learning Recommendation Model. Proceedings of the 52nd Annual International Symposium on Computer Architecture.
Jianbo Dong, Bin Luo, Jun Zhang, Pengcheng Zhang, Fei Feng, Yikai Zhu, Ang Liu, Zian Chen, Yi Shi, Hairong Jiao, Others (2025). Enhancing Large-Scale AI Training Efficiency: The C4 Solution for Real-Time Anomaly Detection and Communication Optimization. 2025 IEEE International Symposium on High Performance Computer Architecture (HPCA).
Yiquan Chen, Zhen Jin, Yijing Wang, Yi Chen, Jiexiong Xu, Hao Yu, Jinlong Chen, Wenhai Lin, Kanghua Fang, Keyao Zhang, Others (2025). NVMePass: A Lightweight, High-performance and Scalable NVMe Virtualization Architecture with I/O Queues Passthrough. 2025 IEEE International Symposium on High Performance Computer Architecture (HPCA).
See all
Lab News & Updates

FACT Lab Celebrates Professor Yuan Xie's 2025 CCF Overseas Science and Technology Award

FACT lab is pleased to announce that Professor Yuan Xie has been awarded the 2025 “CCF Overseas Science and Technology Award” by the China Computer Federation (CCF). This prestigious award recognizes his outstanding contributions to integrated circuit chip design, computer architecture, and electronic design automation. Professor Xie’s work in translating research into industrial applications and nurturing talent through educational initiatives has significantly advanced the field of computer science in China.

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Leading the way together

We work with top universities, research institutes, and industry leaders to advance scientific discovery

Jockey Club
The Hong Kong Jockey Club Charities Trust
University Grant Committee
University Grants Committee
HKUST
The Hong Kong University of Science and Technology
SOPHGO
Sophgo Technologies
JD
JD.com, Inc.
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The Hong Kong University of Science and Technology,

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Kowloon,

Hong Kong

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