portage-ng / portage / virtual / editor / 0-r8
emerge -vp

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

Calculating dependencies ... done!
Dependency resolution took 1.63 s (backtrack: 0/20).

[ebuild     U  ] virtual/editor-0-r8::gentoo [0-r7::gentoo] 0 KiB

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

Wall time
2.613 s vs. 0.019 s for portage-ng