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Advanced computing is the backbone of the Department of Defense and of critical strategic importance to our nation’s defense. All DoD sensors, platforms and missions depend heavily on computer systems. To meet the escalating demands for greater processing performance, it is imperative that future computer system designs be developed to support new generations of advanced DoD systems and enable new computing application code. Targeting this crucial need, the Defense Advanced Research Projects Agency (DARPA) has initiated the Ubiquitous High Performance Computing (UHPC) program to create an innovative, revolutionary new generation of computing systems that overcomes the limitations of current evolutionary...

Computer scientists at the U.S. Defense Advanced Research Projects Agency (DARPA) in Arlington, Va., are asking industry for novel technologies and approaches that offer dramatic advances in high-performance military computer performance, and enable so-called extreme scale computing -- the notion of exceeding today's peta-scale computing to achieve one quintillion (1,000,000,000,000,000,000) calculations per second. DARPA released a broad agency announcement Monday (DARPA-BAA-10-78) for the Omnipresent High Performance Computing (OHPC) program to help develop tomorrow's high-performance computers to meet the relentlessly increasing demands for greater performance, higher energy efficiency, ease of programmability, dependability, and security in aerospace and defense computing for military...

A Chinese supercomputer has been ranked as the world’s second-fastest machine, surpassing European and Japanese systems and underscoring China’s aggressive commitment to science and technology. The Dawning Nebulae, based at the National Supercomputing Center in Shenzhen, China, has achieved a sustained computing speed of 1.27 petaflops — the equivalent of one thousand trillion mathematical operations a second — in the latest semiannual ranking of the world’s fastest 500 computers. The newest ranking was made public on Monday at the International Supercomputer Conference in Hamburg, Germany. Supercomputers are used for scientific and engineering problems as diverse as climate simulation and automotive...

Jaguar, an American computer that can perform as many calculations in a day as a normal computer can in 100 years, has been crowned as the world's fastest supercomputer. Jaguar, built by the Cray company and housed at the Oak Ridge National Laboratory in Tennessee, has a top speed of 1.75 petaflops per second, according to a bi-annual top 500 supercomputer survey. A petaflop is equivalent to 1,000 trillion calculations The $120 million (£82 million) Jaguar has been used by scientists to simulate the explosion of stars, the flow of uranium into the Columbia river from ageing underground storage facilities,...

This is the quintessential sort of clue you hear on the TV game show “Jeopardy!” It’s witty (the clue’s category is “Postcards From the Edge”), demands a large store of trivia and requires contestants to make confident, split-second decisions. This particular clue appeared in a mock version of the game in December, held in Hawthorne, N.Y. at one of I.B.M.’s research labs. Two contestants — Dorothy Gilmartin, a health teacher with her hair tied back in a ponytail, and Alison Kolani, a copy editor — furrowed their brows in concentration. Who would be the first to answer?