portage-ng / portage / app-portage / portage-utils / 0.97
emerge -vp

These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.60 s (backtrack: 0/20).

[ebuild     UD ] app-portage/portage-utils-0.97::gentoo [0.97.1::gentoo] USE="openmp qmanifest -static" 1818 KiB

Total: 1 package (1 downgrade), Size of downloads: 1818 KiB

Wall time
2.601 s vs. 0.023 s for portage-ng