portage-ng / portage / dev-embedded / gpsim / 0.32.1-r1
pmerge --pretend --verbose
[ebuild  N     ] dev-embedded/gputils-1.5.2-r1::gentoo USE="-doc" 6.9 MiB
[ebuild  N     ] dev-embedded/gpsim-0.32.1-r1::gentoo USE="-doc -gui" 3.6 MiB

Total: 2 packages (2 new), Size of downloads: 10.5 MiB


 * Running sanity checks...

 * resolver plan required 23 ops (0.01 seconds)

Wall time
0.437 s vs. 0.022 s for portage-ng