portage-ng / portage / sci-mathematics / spin / 6.5.2-r1
pmerge --pretend --verbose
[ebuild  N     ] sci-mathematics/spin-6.5.2-r1::gentoo USE="-doc -examples -graphviz -tk" 5.8 MiB

Total: 1 package (1 new), Size of downloads: 5.8 MiB


 * Running sanity checks...

 * resolver plan required 4 ops (0.00 seconds)

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