https://issues.dlang.org/show_bug.cgi?id=18362
Issue ID: 18362 Summary: Build dmd with LTO and PGO Product: D Version: D2 Hardware: All OS: All Status: NEW Severity: enhancement Priority: P1 Component: installer Assignee: nob...@puremagic.com Reporter: greensunn...@gmail.com >From the ebay's TSV tools: > Combined, LTO and PGO resulted in performance improvements greater than 25% > on three of my standard six benchmarks, and five of the six improved at least > 8%. https://forum.dlang.org/post/qaornkbwmgigdnuxz...@forum.dlang.org Even just 5% (or 2%) for free, would be worth exploring. --