this post was submitted on 10 Nov 2025
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I hear a lot of people talk about the CachyOS kernel, but from this benchmark it seems like the optimizations used for the packages is as relevant (or even more so). It's also interesting that while distro-wide -O3 is basically useless, x86_64-v3 actually makes a significant difference. Unless openSUSE is doing other things that Phoronix doesn't highlight?
There's also lot of manual patching, environment variables and idiosyncracies for specific packages like (say) python and ruby.