No optimisation to the baseOS other than mounting the /var/lib/docker on a RAID0 array with noatime on the volume and CPU mitigations disabled on the host
Compilation is mostly go binaries (with the normal stuff like go vet/go test).
Rarely it will do other things like commit-lint (javascript) or KICS/SNYK scanning.
the machines themselves are Dual EPYC 7313 w/ 256G DDR4.