perl tmp.pl keys 10000 >  log
perl tmp.pl each 10000 >> log
perl tmp.pl keys 100000 >>  log
perl tmp.pl each 100000 >> log
perl tmp.pl keys 1000000 >> log
perl tmp.pl each 1000000 >> log
perl tmp.pl keys 2000000 >> log
perl tmp.pl each 2000000 >> log