portage-ng / portage / dev-ml / dune / 3.19.1
pmerge --pretend --verbose
[ebuild  N     ] dev-lang/ocaml-5.5.1:0/5.5.1::gentoo USE="ocamlopt -emacs -flambda -latex -test -xemacs" 6.3 MiB
[ebuild  N     ] dev-ml/dune-3.19.1:0/3.19.1::gentoo USE="-emacs" 2.8 MiB

Total: 2 packages (2 new), Size of downloads: 9.1 MiB


 * Running sanity checks...

 * resolver plan required 9 ops (0.01 seconds)

Wall time
0.438 s vs. 0.011 s for portage-ng