Publications

2026

ISCA

EVA: Accelerating LLM Decoding via an Efficient Vector Quantization Architecture

Bowen Duan, Cong Guo, Chiyue Wei, Haoxuan Shan, Yuzhe Fu, Xinhua Chen, Yifan Xu, Ziyue Zhang, Changchun Zhou, Hai Li, Yiran Chen

Paper Code

Preprint

Optimus: Elastic Decoding for Efficient Diffusion LLM Serving

Chiyue Wei, Cong Guo, Bowen Duan, Junyao Zhang, Haoxuan Shan, Yifei Wang, Yangjie Zhou, Hai “Helen” Li, Danyang Zhuo, Yiran Chen

Paper Code

HPCA

Focus: A Streaming Concentration Architecture for Efficient Vision-Language Models

Chiyue Wei, Cong Guo, Junyao Zhang, Haoxuan Shan, Yifan Xu, Ziyue Zhang, Yudong Liu, Qinsi Wang, Changchun Zhou, Hai “Helen” Li, Yiran Chen

Paper Code Slides 🏆 Best Paper Nominee

Preprint

A Phase-Adaptive Architecture for Efficient PD Disaggregated LLM Serving

Cong Guo*, Chiyue Wei*, Haoxuan Shan, Bowen Duan, Yintao He, Hai Li, Yiran Chen

2025

ISCA

Ecco: Improving Memory Bandwidth and Capacity for LLMs via Entropy-Aware Cache Compression

Feng Cheng, Cong Guo, Chiyue Wei, Junyao Zhang, Changchun Zhou, Edward Hanson, Jiaqi Zhang, Xiaoxiao Liu, Hai Li, Yiran Chen

Paper

ISCA

Transitive Array: An Efficient GEMM Accelerator with Result Reuse

Cong Guo, Chiyue Wei, Jiaming Tang, Bowen Duan, Song Han, Hai Li, Yiran Chen

Paper

ISCA

Phi: Leveraging Pattern-based Hierarchical Sparsity for High-Efficiency Spiking Neural Networks

Chiyue Wei, Bowen Duan, Cong Guo, Jingyang Zhang, Qingyue Song, Hai Li, Yiran Chen

Paper Slides

HPCA

Prosperity: Accelerating Spiking Neural Networks via Product Sparsity

Chiyue Wei, Cong Guo, Feng Cheng, Shiyu Li, Hao Yang, Hai Li, Yiran Chen

Paper Code Slides

IEEE CAS Magazine

A Survey: Collaborative Hardware and Software Design in the Era of Large Language Models

Cong Guo, Feng Cheng, Zhixu Du, James Kiessling, Jonathan Ku, Shiyu Li, Ziru Li, Mingyuan Ma, Tergel Molom-Ochir, Benjamin Morris, Haoxuan Shan, Jingwei Sun, Yitu Wang, Chiyue Wei, Xueying Wu, Yuhao Wu, Hao Frank Yang, Jingyang Zhang, Junyao Zhang, Qilin Zheng, Guanglei Zhou, Hai “Helen” Li, Yiran Chen

Paper

2024

WSDM

DeSCo: Towards Generalizable and Scalable Deep Subgraph Counting

Tianyu Fu, Chiyue Wei, Yu Wang, Rex Ying

Paper Code

2023

DATE

CLAP: Locality Aware and Parallel Triangle Counting with Content Addressable Memory

Tianyu Fu*, Chiyue Wei*, Zhenhua Zhu, Shang Yang, Zhongming Yu, Guohao Dai, Huazhong Yang, Yu Wang

Paper Code

2022

ISCA

DIMMining: Pruning-Efficient and Parallel Graph Mining on Near-Memory-Computing

Guohao Dai, Zhenhua Zhu, Tianyu Fu, Chiyue Wei, Bangyan Wang, Xiangyu Li, Yuan Xie, Huazhong Yang, Yu Wang

Paper