IBM just published another Ruby of my articles on Ruby.   'Profiling and 
Optimizing Ruby Code'  You can see it at: 

http://www-128.ibm.com/developerworks/edu/os-dw-os-ruby2-i.html


-- 
thanks,
-pate
-------------------------
We are often unable to tell people what they need to know, because 
they want to know something else, and would therefore only 
misunderstand what we said
- the Raven   (George MacDonald, Lilith)