Roadrunner, a hybrid supercomputer at LANL, uses a video game chip to propel performance to petaflop speeds capable of more than a thousand trillion calculations per second. Photo by LeRoy Sanchez

Roadrunner, a hybrid supercomputer at LANL, uses a video game chip to propel performance to petaflop speeds capable of more than a thousand trillion calculations per second.

Photo by LeRoy Sanchez