RSoC 2026: A new CPU scheduler for Redox OS

Redox OS just swapped its old “everyone gets a sip” Round Robin scheduler for a new Deficit Weighted Round Robin setup that can actually give VIPs (like your audio and UI) the front of the line. The dev’s barroom analogy sold it with drama—angry VIPs, fired bartenders, and all—and the benchmarks were even spicier: a 150‑FPS bump in the Redox 3D demo and roughly 1.5x faster on heavy CPU tasks under load. Translation: under stress, your apps feel snappier.

But the community spotlight immediately swung to a different plot twist: “Wait, there’s a full Rust OS this far along?” One top comment asked whether Redox boots straight from assembly into Rust or still leans on C and gcc (the classic C compiler) to get things started. That single question lit up the age‑old flame: Rust‑purity vs. pragmatic bootstraps—is Redox all‑Rust, or is there still a little C in the basement? While the post itself explains how the new scheduler avoids starving low‑priority tasks, the crowd’s vibe was equal parts impressed and curious, poking at the “how Rust is it really?” angle.

Meanwhile, the blog’s bartender‑and‑bouncer story practically begged for memes: VIP audio stacks skipping the line, background jobs relegated to the “cheap token” queue, and a system that finally knows who to serve first. Speed wins were the headline, but the comment energy was all about Rust cred and what’s under the hood.