Le Qin

About

I have been a PhD student at The Hong Kong University of Science and Technology (Guangzhou) since 2022.08 under the supervision of Prof. Jiayi Huang. I am also co-advised by Prof. Tushar Krishna. My research interests primarily lie in the field of computer architecture and system, with a special focus on interconnection network and distributed machine learning systems. In addition, I am interested in hardware accelerators and machine learning algorithms.

Previously, I obtained my Bachelor’s Degree from the School of Electronic Science and Engineering, Nanjing University, where I was advised by Prof. Jun Lin.

Education

The Hong Kong University of Science and Technology (Guangzhou)

PhD Student in Microelectronics, Aug. 2022 - Present

Microelectronics Thrust

Advisor: Prof. Jiayi Huang; Co-advisor: Prof. Tushar Krishna

Research: Collective Communication Optimization for Distributed Machine Learning; Efficient Scheduling for LLM Training and Inference

Nanjing University

Bachelor’s Degree in VLSI Design and System Integration, Sep. 2018 - Jun. 2022

School of Electronic Science and Engineering

Advisor: Prof. Jun Lin

Focus: VLSI Design, Hardware Acceleration, and Intelligent Systems

Publications

[ISCA '26] Mapping and Communication Optimizations with Fault Tolerance for Wafer-Scale LLM Inference

Junwei Cui, Le Qin, Weilin Cai, Jiayi Huang

Proceedings of the 53rd Annual International Symposium on Computer Architecture (ISCA), 2026

[DATE '26] XTree on EquiMesh: Topology and Algorithm Co-Design for Collective Communication

Junwei Cui, Le Qin, Weilin Cai, Jiayi Huang

Design, Automation and Test in Europe Conference (DATE), 2026

[MICRO '25] Optimizing All-to-All Collective Communication with Fault Tolerance on Torus Networks

Le Qin, Junwei Cui, Weilin Cai, Meng Niu, Yan Yang, Jiayi Huang

Proceedings of the 58th International Symposium on Microarchitecture (MICRO), 2025

ACM Artifact Review Badges: Artifact Available, Artifact Evaluated, Artifact Reproduced

[ICML '25] Shortcut-connected Expert Parallelism for Accelerating Mixture-of-Experts

Weilin Cai, Juyong Jiang, Le Qin, Junwei Cui, Sunghun Kim, Jiayi Huang

International Conference on Machine Learning (ICML), 2025

Highlight: Adopted by Meituan’s LongCat-Flash 560B MoE model

[ISCA '25] Chimera: Communication Fusion for Hybrid Parallelism in Large Language Models

Le Qin, Junwei Cui, Weilin Cai, Jiayi Huang

Proceedings of the 52nd Annual International Symposium on Computer Architecture (ISCA), 2025

Highlight: ISCA 2025 Distinguished Artifact Award

ACM Artifact Review Badges: Artifact Available, Artifact Evaluated, Artifact Reproduced

[ISCA '25] TRACI: Network Acceleration of Input-Dynamic Communication for Large-Scale Deep Learning Recommendation Model

Guyue Huang, Hao Li, Le Qin, Jiayi Huang, Yangwook Kang, Yufei Ding, Yuan Xie

Proceedings of the 52nd Annual International Symposium on Computer Architecture (ISCA), 2025

[ASPLOS '25] MoC-System: Efficient Fault Tolerance for Sparse Mixture-of-Experts Model Training

Weilin Cai, Le Qin, Jiayi Huang

Proceedings of the 30th ACM International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS), Volume 2, 2025

Experience

Huang Lab, HKUST(GZ)

Graduate Research Assistant, Aug. 2022 - Present

Advisor: Prof. Jiayi Huang

Focus: Collective communication optimization for distributed deep learning and software-hardware co-design for efficient LLM training and inference

Integrated Circuits and Intelligent Systems Lab (ICAIS), Nanjing University

Undergraduate Research Assistant, Oct. 2020 - Jun. 2022

Advisor: Prof. Jun Lin

Focus: Hardware acceleration for DNN and CNN models, and the design and implementation of hardware accelerators

Service

International Symposium on Computer Architecture (ISCA) Artifact Evaluation Program Committee, 2025
International Symposium on Microarchitecture (MICRO) Artifact Evaluation Program Committee, 2025
International Symposium on High-Performance Computer Architecture (HPCA) Artifact Evaluation Program Committee, 2026
International Conference on Computer Design (ICCD) Sub-Reviewer, 2023-2025
IEEE International Symposium on Hardware Oriented Security and Trust (HOST) Sub-Reviewer, 2026

Awards

MICRO 2025 Student Travel Grant Award, MICRO’25, Seoul, Korea
ISCA 2025 Distinguished Artifact Award (3/570), ISCA’25, Tokyo, Japan
ISCA 2025 Student Travel Grant Award, ISCA’25, Tokyo, Japan
Full Postgraduate Scholarship, HKUST(GZ), 2022 - Present
Outstanding Graduate, Nanjing University, 2022
Second Prize of National Undergraduate Electronics Design Contest (Jiangsu Division), Ministry of Education, China, 2021
People Scholarship, Ministry of Education, China, 2019 - 2021