I justed to had to run it after everyone else. This is Ubuntu 6.10 with Dell Optiplex GX620.

sgkirkup@72sp691lin:~$ ./performance-test.pl 
Section A took 0.8600 CPU seconds
Section B took 2.1800 CPU seconds
Section A took 0.8800 CPU seconds
Section B took 2.2200 CPU seconds
sgkirkup@72sp691lin:~$ ./performance-test.pl 
Section A took 0.8200 CPU seconds
Section B took 2.1300 CPU seconds
Section A took 0.8500 CPU seconds
Section B took 2.1800 CPU seconds
sgkirkup@72sp691lin:~$ ./performance-test.pl 
Section A took 0.8300 CPU seconds
Section B took 2.2100 CPU seconds
Section A took 0.8600 CPU seconds
Section B took 2.1900 CPU seconds
sgkirkup@72sp691lin:~$ perl -v

This is perl, v5.8.8 built for i486-linux-gnu-thread-multi

Copyright 1987-2006, Larry Wall

Perl may be copied only under the terms of either the Artistic License
+ or the
GNU General Public License, which may be found in the Perl 5 source ki
+t.

Complete documentation for Perl, including FAQ lists, should be found 
+on
this system using "man perl" or "perldoc perl".  If you have access to
+ the
Internet, point your browser at http://www.perl.org/, the Perl Home Pa
+ge.
[download]