portage-ng / portage / app-misc / joy2key / 1.6.3-r2
emerge -vp

These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.60 s (backtrack: 0/20).

[ebuild  N     ] x11-libs/xcb-util-wm-0.4.2::gentoo  279 KiB
[ebuild   R    ] x11-base/xcb-proto-1.17.0::gentoo  PYTHON_TARGETS="python3_14* -python3_12 -python3_13* (-python3_11%)" 149 KiB
[ebuild  N     ] x11-libs/xcb-util-errors-1.0.1-r2::gentoo  262 KiB
[ebuild  N     ] x11-apps/xwininfo-1.1.7::gentoo  170 KiB
[ebuild  N     ] app-misc/joy2key-1.6.3-r2::gentoo  USE="X" 69 KiB

Total: 5 packages (4 new, 1 reinstall), Size of downloads: 928 KiB

Wall time
2.614 s vs. 0.029 s for portage-ng