A senior engineer in the Compiler Performance Engineering group at Sun Microsystems, Darryl Gove analyzes and optimizes application performance on current and future UltraSPARC systems. He is a regular contributor to the developer portal (http://developers.sun.com) and maintains a blog on developer topics (http://blogs.sun.com/d). Prior to joining Sun, Darryl worked for several U.K. organizations in software architecture and development. He earned M.Sc. and Ph.D. degrees in Operational Research from the University of Southampton, U.K.