Rust High-Frequency Quantitative Trading

Jul 18, 2026 · Operations

Low‑Latency HFT: Isolating CPUs with isolcpus, nohz_full, rcu_nocbs and IRQ Affinity

After binding HFT strategy threads to a dedicated core, four sources of interference—other runnable tasks, timer ticks, RCU callbacks, and hardware interrupts—still affect latency; the article explains how isolcpus, nohz_full, rcu_nocbs and IRQ affinity can eliminate each source, shows exact kernel parameters, verification commands, and warns about common pitfalls.