portage-ng / portage / sys-apps / pcsc-slb-rf72-drv / 1.1.0-r2
pmerge --pretend --verbose
pmerge: error: no matching ebuilds: '=sys-apps/pcsc-slb-rf72-drv-1.1.0-r2'

Wall time
0.407 s vs. 0.072 s for portage-ng