Im sure its done,Captain, Its the Beast.. Titan, the U.S. Department of Energy's top open science computer, is going live on Monday with an upgrade that will likely make it the fastest supercomputer on the planet. At 20 petaflops -- that's 20 quadrillion calculations each second -- Titan outperforms by four petaflops the DOE's Sequoia supercomputer, which has held the crown since June.