Created to monitor the U.S. nuclear weapons stockpile, the IBM supercomputer was the first to break the petaflop barrier.
Cray XT5 supercomputer known as "Jaguar" finally bests IBM after three tries. The top 10, while still dominated by supercomputers housed in the U.S., had just one newcomer.
Researchers are using IBM's Roadrunner to analyze tens of thousands of genetic sequences from individuals with HIV in the hopes of zeroing in on vaccine target areas.
The IBM system at Los Alamos retains the lead it nabbed a year ago as the most powerful supercomputer in the world.
This story misidentified the maker of the Power processor. The maker is IBM.
In the latest ranking of high-performance computers, the IBM-based Roadrunner system at Los Alamos National Laboratory once again crosses the petaflop barrier.
In the twice-yearly list of the fastest computers on the planet, IBM has 5 of the top 10 most powerful computers, including the No. 1 spot.
Apple acknowledges Monday .Mac email issues; RoadRunner blocking .Mac mail
RoadRunner cable modem issues: a follow-up
RoadRunner suspends sales to Mac owners