Rate   str2time split_nocheck BrowserUk2  BrowserUk   inline_c
str2time       16534/s         --          -87%       -93%       -93%       -97%
split_nocheck 127292/s       670%            --       -44%       -45%       -74%
BrowserUk2    227574/s      1276%           79%         --        -2%       -53%
BrowserUk     231067/s      1297%           82%         2%         --       -52%
inline_c      485678/s      2837%          282%       113%       110%         --