# original version:
  H:\temp>perl x.pl
  1.2

# with the new library:
  H:\temp>perl -Ilib x.pl
  1.49

# I modified the program to accept a parameter
# and tried again
  H:\temp>perl -Ilib x.pl 10
  1.49 - 10 times

# this only happened once!
  H:\temp>perl x.pl 10
  1.2 - 10 times
  1118932187.88553
  1118932187.94562
  1118932188.0057
  1118932188.06579
  1118932188.13589

  H:\temp>perl -Ilib x.pl 10
  1.49 - 10 times

# then tried again a few times
  H:\temp>perl x.pl 10 & perl -Ilib x.pl 10
  1.2 - 10 times
  1.49 - 10 times