Research Engineer at DeepMind. Previously: quantitative-trading researcher at BlackRock & several other hedge funds.
New York
Joined January 2024
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David Smalling retweeted
I had Opus 5.5 formalize CPython in Lean: 613,318 lines of Lean that copy Python's internals line by line, tested against the real interpreter and checked by Lean.
On the way it found real bugs in Python, including crashes from plain Python code. 🧵
