sentences:  The SX-9 features the first CPU capable of a peak vector performance of 102.4 gigaFLOPS per single core.On February 4, 2008, the NSF and the University of Texas at Austin opened full scale research runs on an AMD, Sun supercomputer named Ranger,
  the most powerful supercomputing system in the world for open science research, which operates at sustained speed of 0.5 petaFLOPS.On May 25, 2008, an American supercomputer built by IBM, named 'Roadrunner', reached the computing milestone of one petaFLOPS.