Hi, I'm Sam!

Berlin-based software engineer working on open source projects, with a soft spot for Rust. I enjoy solving hard problems across performance, scalability and distributed systems.

Writing

Speeding up gearhash on ARM64 (2× faster)

The gearhash crate has gained a NEON backend for improved performance. How a direct port started out slower than scalar, and the dependency-chain work that fixed it.

September 6, 2026

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