portage-ng / portage / app-arch / sasquatch / 4.5.1.5-r1
emerge -vp

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

Calculating dependencies ... done!
Dependency resolution took 0.98 s (backtrack: 0/20).

[ebuild  N     ] app-arch/sasquatch-4.5.1.5-r1::gentoo  USE="xattr -debug -deprecated -lz4 -lzma -lzo -zstd" 487 KiB

Total: 1 package (1 new), Size of downloads: 487 KiB

Wall time
1.970 s vs. 0.009 s for portage-ng