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=head1 SUMMARY

The total computational power of institutions 
as a whole has dramatically rised in the last decades, but
due to distributed ownership and administration restrictions, 
individuals are not able to capitalize such computing power. 
Many machines sit idle for very long periods of time while 
their owners are busy doing other things. Many of them run
some sort of UNIX, have Perl installed and provide SSH access.

If such is your scenario you can use L<GRID::Machine> to
have perl interpreters running in 
those nodes and make them collaborate to give you more computational 
power and more fun. All this without having to ask administrators 
or having to install any additional software.

This tutorial introduces the basics of parallel computing by means of 
a simple program that distributes