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uv: An extremely Fast Python Package Manager :: Jane Street

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Charlie Marsh is the founder of Astral, which develops uv, a next-generation Python package manager written in Rust. In this talk at Jane Street’s NYC office, Charlie details the unique challenges of the Python packaging ecosystem and how he made uv so fast: allocators, concurrency, zero-copy tricks, and more. Hi everyone. Charlie Marsh is the founder of Astral, a company building high performance developer tools for the Python ecosystem. Over the past two years, he’s released Ruff, a Python lintern auto formatter, and UV, a Python package and project manager. Both projects have grown to tens of millions of downloads per month, and have seen rapid adoption across both open-source and enterprise. Okay, everyone can hear me? Okay, great, excellent. Wow, very nice intro. Now, what am I gonna do with my own intro slides? Yeah, my name is Charlie, I’m the founder of Astral. Yeah, so I, me and my team, we spend our time trying to build really fast Python tooling in Rust. We’re primarily know

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