portage-ng / portage / virtual / libudev / 251-r2
pmerge --pretend --verbose
[ebuild   R    ] virtual/libudev-251-r2:0/1::gentoo USE="(-systemd)"

Total: 1 package (1 reinstall)


 * Running sanity checks...

 * resolver plan required 4 ops (0.00 seconds)

Wall time
0.426 s vs. 0.002 s for portage-ng