Sign up for our Technology Newsletter 
U.S. Takes Back Supercomputing Crown
The U.S., once again, is home to the world’s most powerful supercomputer after being kicked off the list by China two years ago and then again by Japan last year.
The top computer, an IBM system at the Department of Energy’s Lawrence Livermore National Laboratory, is capable of 16.32 sustained petaflops, according to the Top 500 list, a global, twice a year ranking, released Monday.
This system, named Sequoia, has more than 1.57 million compute cores and relies on architecture and parallelism, and not Moore’s Law, to achieve its speeds.
“We’re at the point where the processors themselves aren’t really getting any faster,” said Michael Papka, Argonne National Laboratory deputy associate director for computing, environment and life sciences.
The Argonne lab installed a similar IBM system, which ranks third on the new Top 500 list. “Moore’s Law is generally slowing down and we’re doing it (getting faster speeds) by parallelism,” Papka said.
U.S. high performance computing technology dominates the world market. IBM systems claimed five of the top ten spots in the list, and 213 systems out the 500.
Hewlett-Packard is number two, with 141 systems on the list. Nearly 75% of the systems on this list run Intel processors, and 13% use AMD chips.
China’s Supercomputer Uses Homegrown Chips
Comments Off on China’s Supercomputer Uses Homegrown Chips
China has built its latest supercomputer based entirely on homegrown microprocessors, a major move towards breaking the country’s reliance on Western technology for high-performance computing.
China’s National Supercomputer Center in Jinan debuted the computer last Thursday, according to a report from the country’s state-run press. The supercomputer uses 8,704 “Shenwei 1600″ microprocessors, which were developed by a design center in Shanghai, called the National High Performance Integrated Circuit Design Center.
Details of the microprocessors and the design center were not immediately available.
The supercomputer has a theoretical peak speed of 1.07 petaflops (quadrillion floating-point calculations per second), and a sustained performance of 0.79 petaflops when measured with the Linpack benchmark. This could place it at number 13 in the world’s top 500 supercomputing list. Photos of the chips used and the supercomputer’s data center can be found here.
China’s Shandong Academy of Sciences built the computer. Officials of the academy could not be immediately reached for comment on Monday.
A report from The New York Times said the supercomputer’s name in English was the Sunway BlueLight MPP.
Japan Takes 1st Place On Supercomputer List
Comments Off on Japan Takes 1st Place On Supercomputer List
A Japanese computer has earned the number one spot on the Top 500 supercomputer list, ending China’s short reign of just six months. At 8.16 petaflops (quadrillion floating-point calculations per second), the K computer is more powerful than the next five systems combined.
The K computer’s performance was measured using 68,544 SPARC64 VIIIfx CPUs each with eight cores, for a total of 548,352 cores, almost twice as many as any other system on the Top500 list. The computer is still being put together, and when it enters service in November 2012 will have more than 80,000 SPARC64 VIIIfx CPUs according to its manufacturer, Fujitsu.
Japan’s ascension to the top means that the Chinese Tianhe-1A supercomputer, which took the number 1 position in November last year, is now in second spot with its 2.57 petaflops. But China continues to grow the number of systems it has on the list, up from 42 to 62 systems. The change at the top also means that Jaguar, built for the U.S. Department of Energy (DOE), is bumped down to third place.