Complex sentence: Titan is an upgrade of Jaguar, a previous supercomputer at Oak Ridge, to use graphics processing units (GPUs) in addition to conventional central processing units (CPUs), and is the first such hybrid to perform over 10 petaFLOPS.
Split into simpler sentences: Titan is an upgrade of Jaguar, a previous supercomputer at Oak Ridge, to use graphics processing units (GPUs) in addition to conventional central processing units (CPUs). It is the first such hybrid to perform over 10 petaFLOPS.