#"rayon"

2 articles tagged with ""rayon""

"rust""systems-programming""performance"

Rust Rayon: I Added One Letter to My Iterator and Got 8x Faster 🦀⚡

I was processing a 10-second buffer of raw IQ samples from my RTL-SDR in Rust. It worked fine. Then I changed `.iter()` to `.par_iter()` and suddenly all eight CPU cores lit up like a Christmas tree. That's Rayon — the library that makes parallelism embarrassingly easy.

Mar 14, 2026

"rust""systems-programming""performance"

8 min read

Rust Rayon: I Added `.par_iter()` and Accidentally Used All 4 CPU Cores 🦀⚡

Coming from a world where PHP runs on one core and Node.js pretends it doesn't need the others, Rayon is the kind of magic that makes you feel like you've been leaving money on the table for 7 years.

Feb 22, 2026