A look at IBM's Sequoia - the world's fastest supercomputer (photos) Summary: IBM's Sequoia supercomputer retakes the crown for the fastest supercomputer in the world. By Andy Smith | June 18, 2012 -- 13:47 GMT (06:47 PDT) Previous | Next Image 10 of 12 Here's an inside look at Mira. Topics: IBM, CXO Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.