portage-ng / portage / sci-ml / oneDNN / 3.11.2
emerge -vp

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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] sci-ml/oneDNN-3.11.2::gentoo  USE="openmp -cblas -doc -mkl -static-libs -test" 13453 KiB

Total: 1 package (1 new), Size of downloads: 13453 KiB

Wall time
1.985 s vs. 0.021 s for portage-ng