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LiveUpdated 2026-09-22 08:21 UTC

We now use full LTO for CPython 3.12 and later in python-build-standalone, which should…

We now use full LTO for CPython 3.12 and later in python-build-standalone, which should modestly improve runtime…

This is a dev post classified by Jev as Languages & runtimes (a launch), kept by the Dev Radar because it carries real work, not commentary.

We now use full LTO for CPython 3.12 and later in python-build-standalone, which should modestly improve runtime performance. (Turns out that CPython defaults to ThinLTO when building with clang on 3.12 and later!)

Posted by Charlie Marsh (50.7k followers) 13 h ago · 85 likes · 6.1k views · view the original post on X. Kept by the Dev Radar as Languages & runtimes.

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