Laith Sakka is a Staff Research Scientist at Meta with a decade of experience building high-performance systems, compilers, and ML infrastructure. He earned a PhD from Purdue for compiler optimizations and has published PLDI and OOPSLA work on program transformation and locality, then drove major Velox and PyTorch efforts at Meta to boost execution speed, reliability, and developer ergonomics. Laith’s contributions to PyTorch’s Dynamo and to Velox’s function authoring and fuzzing frameworks show a rare blend of deep compiler expertise and practical ML-engine engineering. He excels at turning research into production—whether fusing recursive traversals for 5× speedups or hardening large-scale engines with automated validation—and is active in the PyTorch open-source community. Based in Seattle, he pairs rigorous academic training with a track record of shipping performance-critical infrastructure at scale.
10 years of coding experience
7 years of employment as a software developer
Bachelor's degree Computer Engineering, Bachelor's degree Computer Engineering at Princess Sumaya University for Technology
Doctor of Philosophy (PhD) Computer Engineering, Doctor of Philosophy (PhD) Computer Engineering at Purdue University
Tensors and Dynamic neural networks in Python with strong GPU acceleration
Role in this project:
ML Engineer
Contributions:352 reviews, 226 PRs, 1824 pushes in 1 year 2 months
Contributions summary:Laith primarily contributed to the PyTorch library, focusing on the Dynamo component. Their work involved implementing and fixing functionalities related to automatic differentiation and optimization. This includes addressing issues with operator support, improving the handling of random calls within inlined code, and extending support for built-in callables. Additionally, the user contributed tests to ensure the correctness of these features.
Tensors and Dynamic neural networks in Python with strong GPU acceleration
Contributions:174 pushes, 34 branches in 1 year
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