1hr+ for a general update* (following the guide. Pre-kernel)
On a more serious note, gentoo is fun… On competent hardware. This is a 4 core Celeron N2940 with 4gb of RAM.
*emerge --ask --verbose --update --deep --changed-use @world is too long to type…
I just run updates overnight and its never an issue. I’m also running Gentoo on my 5800X3D with 64GB RAM so compilation is generally fast.