Titan replaced the XT5 Jaguar at ORNL last month. Jaguar ranked as the world’s fastest computer on the Top500 lists in November 2009 and June 2010, and now Titan is the scientific research community’s most powerful computational tool for exploring solutions to some of today’s most challenging problems.
Oak Ridge National Laboratory's Titan is now ranked as the world's fastest supercomputer.
“The new Top500 list clearly demonstrates the U.S. commitment to applying high-performance computing to breakthrough science, and that’s our focus at Oak Ridge,” said ORNL Director Thom Mason. “We’ll deliver science from Day One with Titan, and I look forward to the advancements the Titan team will make in areas such as materials research, nuclear energy, combustion and climate science.”
Titan is a Cray XK7 system that contains 18,688 nodes, each built from a 16-core AMD Opteron 6274 processor and an NVIDIA Tesla K20X GPU accelerator. Titan also has 710 terabytes of memory.
Its hybrid architecture – the combination of traditional central processing units (CPUs) with graphic processing units (GPUs) – is largely lauded as the first step toward the goal of exascale computing, or generating 1,000 quadrillion calculations per second using 20 megawatts of electricity or less.
Titan reached a speed of 17.59 petaflops on the Linpack benchmark test – the specific application that is used to rank supercomputers on the Top500 list. Titan is capable of a theoretical peak speed of 27 quadrillion calculations per second – 27 petaflops – while using approximately 9 megawatts of electricity, roughly the amount required for 9,000 homes.
That capability makes Titan 10 times faster than Jaguar with only a 20 percent increase in electrical power consumption – a major efficiency coup made possible by GPUs, which were first created for computer gaming.
“It’s not practical or affordable to continue increasing supercomputing capacity with traditional CPU-only architecture,” said ORNL’s Jeff Nichols, associate laboratory director for computing and computational sciences. “Combining GPUs and CPUs is a responsible move toward lowering our carbon footprint, and Titan will enable scientific leadership by providing unprecedented computing power for research in energy, climate change, materials, and other disciplines.”
Because they handle hundreds of calculations simultaneously, GPUs can perform many more calculations than CPUs in a given time. By relying on its 299,008 CPU cores to guide simulations and allowing its new NVIDIA GPUs to do the heavy lifting, Titan will enable researchers to run scientific calculations with greater speed and increased fidelity.
“The order of magnitude performance increase of Titan over Jaguar will allow U.S. scientists and industry to address problems they could only dream of tackling before,” said Buddy Bland, Titan project manager at DOE’s Oak Ridge Leadership Computing Facility. Scientists began using portions of Titan as it was under construction, demonstrating the significant capabilities of the hybrid system. Among early application areas:* Materials research: The magnetic properties of materials could vastly accelerate numerous technologies such as next-generation electric motors and generators, and Titan already is allowing researchers to improve the calculations of a material’s magnetic states as they vary by temperature.
* Nuclear power: The U.S. acquires 20 percent of its power from nuclear plants, and Titan will lead the way to extending the life cycles of aging reactors and ensuring they remain safe. Titan allows researchers to simulate a fuel rod through one round of use in a reactor core in 13 hours, a job that took 60 hours on the Jaguar system.
Other efforts include calculating specific climate change adaptation and mitigation scenarios, obtaining a molecular description of thin films important for the emerging field of flexible organic electronic devices, and calculating radiation transport, a process important in fields ranging from astrophysics to medical imaging.
“Titan builds on the Oak Ridge Leadership Computing Facility’s established reputation for enabling transformational discoveries across the scientific spectrum,” Nichols said.
ORNL is managed by UT-Battelle for the Department of Energy. The Department of Energy is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit http://science.energy.gov/.
The Oak Ridge Leadership Computing Facility supports national science priorities through deployment and operation of advanced supercomputers as part of DOE’s commitment to providing scientists with world-leading research tools.
The Top500 project was started in 1993 to provide a basis for tracking and detecting trends in high-performance computing. Twice a year, a list of sites operating the 500 most powerful computer systems is released. The best performance on the High Performance Linpack benchmark is used as performance measure for ranking the computer systems. The list contains a variety of information including the system’s specifications and its major application areas.
Caption: Oak Ridge National Laboratory's Titan is now ranked as the world's fastest supercomputer.NOTE TO EDITORS: You may read other press releases from Oak Ridge National Laboratory or learn more about the lab at http://www.ornl.gov/news. Additional information about ORNL is available at the sites below:
Morgan McCorkle | Newswise Science News
Cutting edge research for the industries of tomorrow – DFKI and NICT expand cooperation
21.03.2017 | Deutsches Forschungszentrum für Künstliche Intelligenz GmbH, DFKI
Molecular motor-powered biocomputers
20.03.2017 | Technische Universität Dresden
Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), hot gas, and charged particles, they found magnetic fields that are exceptionally ordered over distances of many million light years. This makes them the most extended magnetic fields in the universe known so far.
The results will be published on March 22 in the journal „Astronomy & Astrophysics“.
Galaxy clusters are the largest gravitationally bound structures in the universe. With a typical extent of about 10 million light years, i.e. 100 times the...
Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.
Ubiquitin is a small protein that can be linked to other cellular proteins, thereby controlling and modulating their functions. The attachment occurs in many...
In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating...
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors.
Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are...
Enzymes behave differently in a test tube compared with the molecular scrum of a living cell. Chemists from the University of Basel have now been able to simulate these confined natural conditions in artificial vesicles for the first time. As reported in the academic journal Small, the results are offering better insight into the development of nanoreactors and artificial organelles.
Enzymes behave differently in a test tube compared with the molecular scrum of a living cell. Chemists from the University of Basel have now been able to...
20.03.2017 | Event News
14.03.2017 | Event News
07.03.2017 | Event News
27.03.2017 | Earth Sciences
27.03.2017 | Life Sciences
27.03.2017 | Life Sciences