portage-ng / portage / media-gfx / nvidia-cg-toolkit / 3.1.0013-r6
pmerge --pretend --verbose
pmerge: error: no matching ebuilds: '=media-gfx/nvidia-cg-toolkit-3.1.0013-r6'

Wall time
0.411 s vs. 0.017 s for portage-ng