portage-ng / portage / acct-group / portage / 0-r2
emerge -vp

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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild   R    ] acct-group/portage-0-r2::gentoo  0 KiB

Total: 1 package (1 reinstall), Size of downloads: 0 KiB

Wall time
1.972 s vs. 0.005 s for portage-ng