Dun Liang

Dun Liang(梁盾)

NVIDIA · Senior Engineer, AI DevTech

Dun Liang, from Changsha, Hunan, was admitted to Tsinghua University's Department of Computer Science through the Informatics Olympiad. He won an ACM-ICPC regional gold medal and championships in ISC/SC international student supercomputing competitions. During his Ph.D. under Academician Shi-Min Hu, he led the development of the Jittor deep learning framework (launched in 2018), the first framework supporting dynamic compilation, with related projects exceeding 10,000 stars on GitHub. After graduation, he founded and served as CEO of Beijing Fitten Technology, driving multiple AI Infra and AI Coding products to production. He is currently a Senior Engineer in NVIDIA DevTech, focusing on LLM training performance optimization and Megatron Core development.

Work Experience

  • NVIDIA logo

    Senior Engineer, AI DevTech · NVIDIA

    Nov 2025 - Present · Beijing, China

    AI Infra, LLM training optimization, Megatron Core Developer

  • Fitten logo

    CEO · Beijing Fitten Technology (Startup)

    Jun 2022 - Nov 2025 · 3 years 5 months · Beijing, China

    Led product strategy and delivery for multiple AI Infra and AI Coding products.

  • Tsinghua University logo

    Postdoctoral Researcher · Tsinghua University, Department of Computer Science and Technology

    Jun 2021 - Jun 2023 · 2 years · Beijing, China

    Core founder and contributor of the Jittor deep learning framework.

  • MEGVII logo

    Research Intern · MEGVII

    Jan 2014 - Jun 2014 · 6 months · Beijing, China

    MegBrain Developer

Education

  • Tsinghua University logo

    Tsinghua University · Ph.D. (Computer Science and Technology)

    Jun 2016 - Jun 2021

    Advisor: Academician Shi-Min Hu

  • Tsinghua University logo

    Tsinghua University · B.Eng. (Computer Science and Technology)

    2012 - 2016

  • Changjun High School logo

    Changjun High School

    2009 - 2012

Awards

  • Champion (Rank 1), SC16 Student Cluster Competition

    Jan 2016

  • Champion (Rank 1), ISC15 International Supercomputing Competition

    Jan 2015

  • Technology Innovation Award, Tsinghua CST

    Aug 2013

  • ACM-ICPC Hangzhou Regional Gold Medal

    Nov 2012

  • 10th in NOI Team Selection, 43rd in National Finals

    Oct 2011

Photo Wall

Breaking Through Walls
Breaking Through Walls

We fought side by side in Tsinghua's supercomputing team and won the SC15 Student Cluster Championship, with Prof. Jidong Zhai as our team coach. This story was later featured in Tsinghua University's 2021 admissions film, "Breaking Through Walls" (Link).

Birthday Wish from Jensen Huang
Birthday Wish from Jensen Huang

On Jan 26, 2026, I took a photo with Jensen Huang at the NVIDIA annual meeting. Coincidentally, it was my 32nd birthday, and I received a memorable birthday wish.

PhD Thesis Defense - Jittor Framework
PhD Thesis Defense - Jittor Framework

In June 2021, I defended my PhD thesis. I am deeply grateful for the guidance of Academician Shi-Min Hu and the intense years spent building the Jittor framework.

Tsinghua & Peking University
Tsinghua & Peking University

In early summer 2021, I took this photo in Tsinghua with my wife, a PhD in biology from Peking University—a shared memory across two great campuses.

Startup Journey
Startup Journey

A 2025 photo with my startup teammates. We have been through storms together, and that journey made us value companionship even more.

CST25
CST25

Graduation photo of CST25 in 2016. Youth fades, friendship stays.

Anniversary Wushu Performance
Anniversary Wushu Performance

At Tsinghua's anniversary celebration, the Wushu Association and Wushu Team performed together under the guidance of Prof. Yulin Wang.

CJOIER
CJOIER

I revisited the Changjun informatics group and met my high-school Olympiad coach, Mr. Xiang Qizhong. Looking back, I am most grateful to the people who lit the spark at the beginning.

Publications

  • Traffic-sign detection and classification in the wild

    Z Zhu, D Liang, S Zhang, X Huang, B Li, S Hu

    Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

    Citations 1375 · 2016

  • Jittor: a novel deep learning framework with meta-operators and unified graph execution

    SM Hu, D Liang, GY Yang, GW Yang, WY Zhou

    Science China Information Sciences 63 (12), 222103

    Citations 175 · 2020

  • Are we ready for a new paradigm shift? a survey on visual deep mlp

    R Liu, Y Li, L Tao, D Liang, HT Zheng

    Patterns 3 (7)

    Citations 129 · 2022

  • Recursive-nerf: An efficient and dynamically growing nerf

    GW Yang, WY Zhou, HY Peng, D Liang, TJ Mu, SM Hu

    IEEE Transactions on Visualization and Computer Graphics 29 (12), 5124-5136

    Citations 72 · 2022

  • Efficient and flexible deformation representation for data-driven surface modeling

    L Gao, YK Lai, D Liang, SY Chen, S Xia

    ACM Transactions on Graphics (TOG) 35 (5), 1-17

    Citations 72 · 2016

  • Lane detection: A survey with new results

    D Liang, YC Guo, SK Zhang, TJ Mu, X Huang

    Journal of Computer Science and Technology 35 (3), 493-505

    Citations 71 · 2020

  • LineNet: A zoomable CNN for crowdsourced high definition maps modeling in urban environments

    D Liang, Y Guo, S Zhang, SH Zhang, P Hall, M Zhang, S Hu

    arXiv preprint arXiv:1807.05696

    Citations 24 · 2018

  • Can attention enable MLPs to catch up with CNNs?

    MH Guo, ZN Liu, TJ Mu, D Liang, RR Martin, SM Hu

    Computational Visual Media 7 (3), 283-288

    Citations 21 · 2021

  • Jrender: An efficient differentiable rendering library based on Jittor

    H Xin, C Xiang, W Zhou, D Liang

    Graphical Models 130, 101202

    Citations 1 · 2023