portage-ng / portage / sci-libs / octomap / 1.10.0-r1
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  N     ] sci-libs/octomap-1.10.0-r1:0/1.10::gentoo  USE="-doc -dynamicEDT3D -qt6" 1655 KiB

Total: 1 package (1 new), Size of downloads: 1655 KiB

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