Haopeng Li

Haopeng Li

M.Phil. at HKUST(GZ)

Efficient Generative AI · MLSys

I am an M.Phil. student at HKUST(GZ), advised by Prof. Zeke Xie. I am currently a research intern at NVIDIA Research supervised by Enze Xie. I was previously a visiting student at Westlake University, advised by Prof. Huan Wang. My research focuses on Efficient Generative AI and MLSys.

Projects

FLA / Open-source systems

Flash Bidirectional Linear Attention

Reusable Triton kernels for bidirectional (non-causal) linear attention, with optimized forward/backward paths and integrations spanning LinFusion, MLLA, PolaFormer, RALA, and PISA.

Triton 5 model families
Code Benchmarks
SANA / Video inference

Sol Video Inference Engine

An agent-native, full-stack video diffusion inference system that composes five reusable acceleration techniques across 10+ model stacks, reaching 2–5× typical speedups and up to 27.7× in its latest draft–refine pipeline.

10+ model stacks Up to 27.7×
Docs Code Paper

Publications

Technical Report
Sol-Attn overview

Sol-Attn: Accelerating Video Generation Inference via On-the-Fly Attention Sparsification

Haopeng Li, Yitong Li, Junsong Chen, Tian Ye, Haozhe Liu, Jincheng Yu, Duomin Wang, Ruihua Zhang, Zeke Xie, Enze Xie, Song Han
Technical Report
ArXiv Website Code
Preprint
PISA Overview

PISA: Piecewise Sparse Attention Is Wiser for Efficient Diffusion Transformers

Haopeng Li, Shitong Shao, Wenliang Zhong, Zikai Zhou, Lichen Bai, Hui Xiong, Zeke Xie
Under Review
ArXiv Code
ICLR 2026
ARPG Architecture

Autoregressive Image Generation with Randomized Parallel Decoding

Haopeng Li, Jinyue Yang, Guoqi Li, Huan Wang
ICLR 2026
Paper Website Code
Technical Report
MaineCoon

MaineCoon: Pursuing A Real-Time Audio-Visual Social World Model

Catnip AI Team (including Haopeng Li)
Technical Report
ArXiv Code
ICML 2026
LIVE Overview

LIVEditor-14B: Lightning Unified Video Editing via In-Context Sparse Attention

Shitong Shao, Zikai Zhou, Haopeng Li, Yingwei Song, Wenliang Zhong, Lichen Bai, Zeke Xie
ICML 2026
ArXiv Code
Preprint
LIVE Overview

Scalable Autoregressive Image Generation with Mamba

Haopeng Li, Jinyue Yang, Kexin Wang, Xuerui Qiu, Yuhong Chou, Xin Li, Guoqi Li
Preprint
ArXiv Code
NeurIPS 2024
LIVE Overview

Can Large Language Models Analyze Graphs like Professionals? A Benchmark, Datasets and Models

Xin Li, Weize Chen, Qizhi Chu, Haopeng Li, Zhaojun Sun, Ran Li, Chen Qian, Yiwei Wei, Zhiyuan Liu, Chuan Shi, Maosong Sun, Cheng Yang
NeurIPS 2024
Paper Code

Awards

2025.09 Postgraduate StudentshipHKUST(GZ)
2021.10 National ScholarshipMinistry of Education