d:\Web-Dev\arrays>perl -v

This is perl, v5.10.0 built for MSWin32-x86-multi-thread
(with 5 registered patches, see perl -V for more detail)

Copyright 1987-2007, Larry Wall

Binary build 1004 [287188] provided by ActiveState http://www.ActiveState.com
Built Sep  3 2008 13:16:37

[snip]

D:\Web-Dev\arrays>perl test.pl
Records: 308273 in 5.641 seconds
Records: 279997 in 98.281 seconds
Records: 308273 in 128.656 seconds
Records: 279997 in 96.953 seconds
Records: 308273 in 129.188 seconds

##</code><code>##

bash-3.2$ /bin/perl -v

This is perl, v5.10.0 built for cygwin-thread-multi-64int
(with 6 registered patches, see perl -V for more detail)

Copyright 1987-2007, Larry Wall

[snip]

bash-3.2$ /bin/perl test.pl
Records: 308273 in 6.719 seconds
Records: 279997 in 5.875 seconds
Records: 308273 in 6.484 seconds
Records: 279997 in 5.906 seconds
Records: 308273 in 6.515 seconds