Comment by mindcrash
For those of you who are a little bit more adventurous - The custom CachyOS kernel is also available within a Portage overlay:
https://github.com/Szowisz/CachyOS-kernels
Which enables you to run a Gentoo based system on the kernel modified by the CachyOS kernel team through a ebuild for the official sources on GitHub.
When emerging it deals with all necessary dependency flags and configuration for you, just a little bit tinkering with USE flags required.
Now that you mention Gentoo, the whole distro make me think of this: https://www.shlomifish.org/humour/by-others/funroll-loops/Ge...