The Jaguar Cray supercomputer at Oak Ridge National Laboratory has become the world’s most powerful supercomputer, at 1.75 petaflops per second, edging out the IBM Roadrunner system at the U.S. Department of Energy’s Los Alamos National Laboratory in New Mexico, which has slowed slightly to 1.04 petaflops per second.

The newest version of the TOP500 list, which is issued twice yearly, will be formally presented on Tuesday, Nov. 17, at the SC09 Conference, to be held at the Oregon Convention Center in Portland.

Source: Top 500 news release