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.
Right now I'm building Enroute, open-source headless git infrastructure built for agentic workloads.
Writing
Solving for faster SHA-1 collision detection
SHA-1 with collision detection doesn't have to be so slow. How a code generator that moves the checks to SIMD can narrow the gap to plain SHA-1 to ~20–30%.
September 20, 2026
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
Also available as RSS.