anomalous_map: 20 wallclock secs (17.09 usr +  0.16 sys = 17.25 CPU) @  2.03/s (n=35)
anomalous_two: 17 wallclock secs (15.12 usr +  0.08 sys = 15.20 CPU) @  2.04/s (n=31)
buk_substr: 16 wallclock secs (15.59 usr +  0.01 sys = 15.61 CPU) @  0.70/s (n=11)
with_chop_fixed: 16 wallclock secs (15.09 usr +  0.17 sys = 15.27 CPU) @  2.23/s (n=34)
with_split: 16 wallclock secs (15.19 usr +  0.00 sys = 15.19 CPU) @  0.86/s (n=13)
with_substr: 15 wallclock secs (15.39 usr +  0.00 sys = 15.39 CPU) @  1.75/s (n=27)

                   Rate buk_substr with_split with_substr anomalous_map anomalous_two with_chop_fixed
buk_substr      0.705/s         --       -18%        -60%          -65%          -65%            -68%
with_split      0.856/s        21%         --        -51%          -58%          -58%            -62%
with_substr      1.75/s       149%       105%          --          -14%          -14%            -21%
anomalous_map    2.03/s       188%       137%         16%            --           -0%             -9%
anomalous_two    2.04/s       189%       138%         16%            0%            --             -8%
with_chop_fixed  2.23/s       216%       160%         27%           10%            9%              --