On Wed, 9 Apr 2025 10:41:34 GMT, Matthias Baesken <mbaes...@openjdk.org> wrote:
> Wait, `LOW` is `-O2`? 👀 I thought it was like no optimization at all. I'm > sooo confused with these levels. So maybe going from `LOW` to `SIZE` will > actually lose more optimization than I thought. _sigh_ -Os is the same as -O2 minus some optimizations that increase footprint. https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html -O3 mostly adds more serious footprint increasing optimizations like loop unrolling. I've seen a number of warnings that suggest in some cases the larger code can reduce performance, so you may be best off with -O2 or -Os for best performance. ------------- PR Comment: https://git.openjdk.org/jdk/pull/23563#issuecomment-2790938638
