Thomas J. Fan

@thomasjpfan

Working on machine learning and open source, scikit-learn maintainer @thomasjpfan@fosstodon.org

New York github.com/thomasjpfan Joined April 2009

139 Following 717 Followers 258 Posts

Latest posts 5

While reading the "Profiling in PyTorch" blog series on @huggingface, I found an efficient setup: running the @PyTorch profiler on @modal without a local GPU. The traces save locally, so you can drop them directly into Perfetto to analyze. Link to the GitHub repo in the comments!

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Thomas J. Fan @thomasjpfan Nov 3, 2025

With @huggingface's smolagent v1.22.0 release, you can now use @modal Sandboxes for secure code execution. Just set `executor_type="modal"`! ☺️

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Thomas J. Fan @thomasjpfan Mar 22, 2025

Quick comparison between PyTorch's TorchScript, FX Graph tracing, and torch.compile for handling data dependent control flow:

thomasjpfan.com/2025/03/pytorc…

www.thomasjpfan.com PyTorch Graphs Three Ways: Data-Dependent Control Flow Over the past few years, PyTorch went through a few iterations for turning Python code into a graph to improve performance: TorchScript can trace or parse …

Thomas J. Fan @thomasjpfan Dec 27, 2023

I developed rustimport_jupyter to compile Rust code in Jupyter and have the compiled code available in Python! In this post, I showcase a simple function, @numpy_team function, and @DataPolars expression plugin: thomasjpfan.com/2023/12/python…

www.thomasjpfan.com Python Extensions in Rust with Jupyter Notebooks The Rust programming language has gotten more prominent for writing compiled Python extensions. Currently, there is a bunch of boilerplate for wrapping writing up a Rust …

Thomas J. Fan @thomasjpfan Aug 16, 2023

I wrote a quick blog post about generating NumPy UFuncs with Cython 3.0. The feature is quite nice 😊! thomasjpfan.com/2023/08/quick-…

thomasjpfan.com Quick NumPy UFuncs with Cython 3.0 Cython 3.0 was finally released on July 17, 2023 and it comes with many features. There are many exciting features such as a Pure Python …