C:\test>junk
             Rate   grepGen    mapGen  smartGen shuffleEm
grepGen    35.3/s        --      -51%      -97%     -100%
mapGen     72.6/s      106%        --      -94%     -100%
smartGen   1250/s     3439%     1621%        --      -95%
shuffleEm 26859/s    75977%    36902%     2049%        --