About Me


Hi! I’m Yifan Liu, a third-year undergraduate student at Tsinghua University, now as a visiting student at UC Berkeley. Currently, I am obsessed with the magic of Efficient ML.

Publications

TetraJet-v2: Accurate NVFP4 Training for Large Language Models with Oscillation Suppression and Outlier Control

Yuxiang Chen, Yifan Liu, Xiaoming Xu, Pengle Zhang, Michael Beyer, Martin Rapp, Jun Zhu, Jianfei Chen

[arXiv] [repo]

  • ICML 2026 Spotlight
  • A method for accurate NVFP4 training for LLMs with oscillation suppression and outlier control.

Lecture Notes

Lecture Notes

These lecture notes are my personal notes taken during class and they are mainly for my own reference. Therefore, they may not have been carefully reviewed and may(definitely I suppose…) contain typos or errors. Please feel free to inform me if they do!

大一下

大二上

大二上

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大二下

大二下

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大三上

Transclude of 大三上

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Fun Tools

Some visualizations and tools made for fun?