RSoC 2026: A new CPU scheduler for Redox OS (redox-os.org)

Redox OS is updating its CPU process scheduler for RSoC 2026 by replacing the legacy Round Robin algorithm with a Deficit Weighted Round Robin (DWRR) scheduler that can prioritize different process contexts. The post describes how the scheduler assigns weighted “tokens” to multiple queues, then uses an interleaved variant to reduce starvation and improve responsiveness under heavy CPU load. Benchmarks in an isolated test harness and in the pixelcannon demo are reported as showing significant responsiveness and throughput gains, especially compared to the old Round Robin approach.