name                                 old cpu/op  new cpu/op  delta
BM_Group_CountLeadingEmptyOrDeleted  0.98ns ± 0%             0.78ns ± 0%  -20.51%        (p=0.000 n=10+10)

PiperOrigin-RevId: 496397005
Change-Id: I1c6b325b14566da194f21d3387b6f4d838bf0b34