https://rexai.top/en/tags/branch-prediction/Recent content in Branch Prediction on 梦兽编程Hugo -- 0.163.3en梦兽编程Mon, 10 Aug 2026 06:30:00 +0800https://rexai.top/en/languages/rust/2026-08-10-rust-branchless-filter-if/Mon, 10 Aug 2026 06:30:00 +0800https://rexai.top/en/languages/rust/2026-08-10-rust-branchless-filter-if/Filtering 1M floats: why is keeping half the slowest case? I reproduced the HN-top branch-prediction experiment on Windows (i5-12400F, rustc 1.97.1): a branchless rewrite cut the worst case from 5.1ms to 1.5ms (3.4x faster) — and learned when the trick backfires