"Lazy Optimization: Patterns for Efficient Smalltalk Programming"
KenAuer, Knowledge Systems Corporation
KentBeck, First Class Software, Inc.
Published within Pattern Languages of Program Design 2 (ISBN 0-201-89527-7 )
http://www.rolemodelsoftware.com/moreAboutUs/publications/articles/lazyopt.php
A comment from LazyOptimization:
...what normally turns people off is that it has the word "Smalltalk" in the subtitle, whereas 90% of what they say is applicable to any language. -- KyleBrown