anomalous_map: 16 wallclock secs (15.34 usr +  0.06 sys = 15.41 CPU) @  1.49/s (n=23)
anomalous_two: 15 wallclock secs (14.98 usr +  0.02 sys = 15.00 CPU) @  1.60/s (n=24)
buk_substr: 17 wallclock secs (16.56 usr +  0.03 sys = 16.59 CPU) @  0.30/s (n=5)
with_chop_fixed: 15 wallclock secs (15.22 usr +  0.02 sys = 15.23 CPU) @  1.51/s (n=23)
with_split: 17 wallclock secs (17.41 usr +  0.00 sys = 17.41 CPU) @  0.34/s (n=6)
with_substr: 15 wallclock secs (15.50 usr +  0.00 sys = 15.50 CPU) @  1.29/s (n=20)

                   Rate buk_substr with_split with_substr anomalous_map with_chop_fixed anomalous_two
buk_substr      0.301/s         --       -13%        -77%          -80%            -80%          -81%
with_split      0.345/s        14%         --        -73%          -77%            -77%          -78%
with_substr      1.29/s       328%       274%          --          -14%            -15%          -19%
anomalous_map    1.49/s       395%       333%         16%            --             -1%           -7%
with_chop_fixed  1.51/s       401%       338%         17%            1%              --           -6%
anomalous_two    1.60/s       431%       364%         24%            7%              6%            --