https://segflow.github.io/tags/inlining/Recent content in Inlining on SegflowHugoen-usMon, 14 Sep 2020 10:00:00 +0100https://segflow.github.io/post/inlining-budgets/Mon, 14 Sep 2020 10:00:00 +0100https://segflow.github.io/post/inlining-budgets/<p>After <a href="../../post/go-compiler-optimization/">my map-lookup contribution to the Go compiler</a> back in April, I kept poking the toolchain whenever a benchmark surprised me. Last week it surprised me again, and the lesson is short enough to fit in one post: Go inlines aggressively, but not infinitely, and the <em>shape</em> of your function matters more than its length.</p> <p>The story starts with a three-line helper that I was sure the compiler would inline. <code>pprof</code> disagreed.</p>