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• 05:02, 22 November 2025 PC talk contribs created page Inlining Gone Wrong: How Rust’s Optimizer Sometimes Betrays You (Created page with "500px There’s a special kind of heartbreak every systems developer knows:
You open your profiler expecting to see your carefully tuned function blazing fast…
…and instead, it’s taking more time than before you optimized it. You didn’t change the algorithm. You just added #[inline(always)]. Welcome to the dark side of Rust’s inlining optimizer — where performance can sometimes regress the moment you try to help i...")