Computer Science

Data wave

Big data extends far beyond its literal interpretation. It’s more than large volumes of information. It’s also complexity, including new… Read More

May 1, 2013

Updating apps

Ramanan Sankaran and his Oak Ridge National Laboratory colleagues have been setting up to run their combustion simulations on Titan,… Read More

March 13, 2013

Living with failure

Computer scientist Maya Gokhale is optimistic about exascale computing’s fast, bright future. But to achieve this success, the Lawrence Livermore… Read More

December 12, 2012

High speed, low power

Powering today’s petaflops computers – capable of quadrillions of calculations per second – costs $5 million to $10 million a year. Using current technology… Read More

November 14, 2012

Proxy apps for that

Achieving exascale computing will depend on many interacting parts. That requirement spawned the idea of co-design, in which developers consider… Read More

October 24, 2012

Mira, Mira

Fans of Star Trek: The Next Generation know Q as omnipotent alien with a mind like a supercomputer. Technophiles know Q as… Read More

April 26, 2012

Power players

Fast in supercomputing used to be so simple. The fastest supercomputer was the one that could perform the most flops,… Read More

February 21, 2012

Game on

Next year, the Jaguar supercomputer at Oak Ridge National Laboratory (ORNL) will get a new name: Titan. The move is… Read More

December 28, 2011

Age of uncertainty

Each element of any computer model comes with uncertainty – imprecision springing from indefinite data, poorly understood physical properties and inexactness… Read More

December 12, 2011

Extreme teamwork

Part of the Science at the Exascale series. Researchers building and programming potent computers of the future face many of… Read More

August 23, 2011