portage-ng / portage / app-editors / emact / 2.58.0-r1
emerge -vp

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

Calculating dependencies ... done!
Dependency resolution took 0.99 s (backtrack: 0/20).

[ebuild  N     ] app-editors/emact-2.58.0-r1::gentoo  USE="-gui" 568 KiB

Total: 1 package (1 new), Size of downloads: 568 KiB

Wall time
1.998 s vs. 0.004 s for portage-ng