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Long story short on a geo mean basis for all the tests that ran successfully on each of the tested Linux distributions, openSUSE Tumbleweed was slightly ahead of Fedora Workstation 43 for a second place finish but CachyOS still delivering notably better performance overall.
My takeaway was that Tumbleweed blew Cachy out of the water in Super Tux Kart Vulkan, the only important benchmark.
Thanks for saving me a click
Yeah.
Its so disparate (and so different from all the OpenGL results) it must be some config thing. What Vulkan switch is openSUSE flipping that all other other distros missed?
I'd also like to know what leads to Ubuntu doing so well in the PHP and Python benchmarks.
That could be versioning?
For example, Arch Linux (CachyOS) sticks to one Python version systemwide, and doesn't upgrade it until the whole Arch repo is ready to transition, while in Ubuntu many Python version exist in parallel. The Phoronix bench presumably uses the latest one. Perhaps Python 3.14 (and associated libraries) have some dramatic performance gains in certain benchmarks?
I know there are some Python 'hacks' as well. Clear Linux, for instance, used to ship Python with some custom build flags and code patches that forced AVX2 and some other stuff, but I think Cachy pulled these in?
This is only relevant for people exclusively running open source games from the distro's repository.
Steam games (incl. the Windows games on top of Proton) run inside Steam Linux Runtime, a container based on Debian 11 that is identical on every distribution. Use whatever distribution you like but the optimizations of CachyOS are mostly pointless.
Though I assume performance can still vary by host kernel, right?
Sure. That's why I wrote "mostly pointless" but the runtime stack is self-contained in Steam and proprietary games are compiled by the developer anyway. There are limits to what CachyOS/Gentoo/... can do.
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.