Originally written by Philippe Charles and David Shields of IBM Research. Subsequent contributors include, but are not limited to: Chris Abbey C. Scott Ananian Musachy Barroso Joe Berkovitz Eric Blake Norris Boyd Ian P. Cardenas Pascal Davoust Mo DeJong Chris Dennis Alan Donovan Michael Ernst Bu FeiMing Max Gilead Adam Hawthorne Diane Holt Elliott Hughes Andrew M. Inggs C. Brian Jones Marko Kreen David Lum Phil Norman Takashi Okamoto Emil Ong Andrew Pimlott Daniel Resare Mark Richters Kumaran Santhanam Gregory Steuck Brian Sullivan Andrew G. Tereschenko Russ Trotter Andrew Vajoczki Jerry Veldhuis Dirk Weigenand Vadim Zaliva Henner Zeller