I wrote an article on using RubyInline for optimization where I take  
png.rb, sprinkle in a little profiling and a little C and make it go  
over 100 times faster.



http://segment7.net/projects/ruby/inline_optimization.html


-- 
Eric Hodel - drbrain / segment7.net - http://blog.segment7.net
This implementation is HODEL-HASH-9600 compliant

http://trackmap.robotcoop.com