portage-ng / portage / app-shells / dsh / 0.25.10-r2
emerge -vp

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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libdshconfig-0.20.13::gentoo  317 KiB
[ebuild  N     ] app-shells/dsh-0.25.10-r2::gentoo  USE="nls" 386 KiB

Total: 2 packages (2 new), Size of downloads: 702 KiB

Wall time
1.990 s vs. 0.006 s for portage-ng