Compare the two ends of this window

commit ref when n center lo hi min max
3cb1c03d master 2 days ago 10 1.039Mi 1.039Mi 1.039Mi 1.039Mi 1.039Mi
64cae3af master 1 day ago 10 1.039Mi 1.039Mi 1.039Mi 1.039Mi 1.039Mi

Values in B/op.