Slides of my talk on Devel::NYTProf and optimizing perl code at OSCON in July 2010. It covers the new features in NYTProf v4 and outlines a multi-phase approach to optimizing your perl code. Best viewed fullscreen.
A screencast of this talk, that includes a demo, can be viewed at http://blip.tv/file/3913278
An updated version of the slides can be viewed at http://www.slideshare.net/Tim.Bunce/develnytprof-v4-at-yapceu-201008-4906467