Ruff author: ThinLTO on PGO instrumented builds cuts build time with no perf cost
charliermarsh · x · 2026-10-10
charliermarsh (author of Ruff/Uv) shares a build-optimization finding: enabling ThinLTO for the instrumented binary built during PGO significantly reduces build time, with seemingly no performance cost in the final optimized binary.
Related event: Ruff Author Finds ThinLTO Dramatically Speeds Up PGO Builds(4 posts)→
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