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Whether related towith case against Geohotz or not ,Sony is known to have  closed the  PlayStation  Network  . Why? There are external threats.

• NVIDIA Powers Titan, Worlds Fastest Supercomputer For Open Scientific Research

Titan, the worlds fastest open-science supercomputer,⁽¹⁾ was completed this month at Oak Ridge National Laboratory in Tennessee, opening new windows of opportunity into the exploration of some of the worlds toughest scientific challenges.

Titans peak performance is more than 20 petaflops -- or 20 million billion floating-point operations per second -- about 90 percent of which comes from 18,688 NVIDIA® Tesla® K20 GPU accelerators. These are based on the NVIDIA Kepler™ architecture, the fastest, most efficient, highest-performance computing architecture ever built.

Researchers use ever faster supercomputers to accelerate the pace of discovery and innovation across a range of scientific fields of inquiry -- from developing more efficient engines and higher capacity, lighter weight batteries, to studying climate change and finding cures for disease. Titan is a milestone on the path to exascale computing, which targets building a 1,000 petaflops supercomputer.

Titan is operated by Oak Ridge National Laboratory, part of the U.S. Department of Energys network of research labs, as an open-science system. This means it is available to researchers from academia, government laboratories, and a broad range of industries who will use Titan to model physical and biological phenomena and seek breakthroughs faster than possible by experimentation alone.

Supported by the energy efficiency and cost-effectiveness of the Tesla K20 GPU, Titan is more than 10 times faster and five times more energy efficient than its predecessor, the 2.3-petaflops⁽²⁾ Jaguar system, while occupying the same floor space. Had Oak Ridge upgraded Jaguar by simply expanding its CPU-based architecture, the system would be more than four times its current size and consume more than 30 megawatts of power.⁽³⁾
 
"Basing Titan on Tesla GPUs allows Oak Ridge to run phenomenally complex applications at scale, and validates the use of accelerated computing to address our most pressing scientific problems," said Steve Scott, chief technology officer of the GPU Accelerated Computing business at NVIDIA. "You simply cant get these levels of performance, power- and cost-efficiency with conventional CPU-based architectures. Accelerated computing is the best and most realistic approach to enable exascale performance levels within the next decade."

Titan development began three years ago with Oak Ridges decision to upgrade Jaguar, the previous open science system leader and a former world No. 1 most powerful supercomputer. The upgrade includes the Tesla K20 GPU accelerators, a replacement of the compute modules to convert the systems 200 cabinets to a Cray XK7 supercomputer, and 710 terabytes of memory.

"Science and technology have always been our primary goal, and Titan is a groundbreaking tool that will allow researchers worldwide to leverage GPU-accelerated computing to make unparalleled breakthroughs," said Jeff Nichols, associate laboratory director for computing and computational sciences at Oak Ridge National Laboratory. "The new Tesla GPU accelerators offer the performance and energy efficiency that enable Titan to scale to unprecedented performance levels without consuming the energy equivalent of a small city."


About NVIDIA Tesla GPUs NVIDIA Tesla GPUs are massively parallel accelerators based on the NVIDIA CUDA® parallel computing platform and programming model. Tesla GPUs are designed from the ground up for power-efficient, high performance computing, computational science and supercomputing, delivering dramatically higher application acceleration for a range of scientific and commercial applications than a CPU-only approach.

More information about NVIDIA Tesla GPUs is available at the Tesla website. To learn more about CUDA or download the latest version, visit the CUDA website. More NVIDIA news, company and product information, videos, images and other information is available at the NVIDIA newsroom.




Data taken from http://nvidianews.nvidia.com/Releases/NVIDIA-Powers-Titan-World-s-Fastest-Supercomputer-For-Open-Scientific-Research-8a0.aspx (accessed on Jan 16, 2013)

Schematic Motherboard BIOSTAR N55SB-A2T (TForce550se)
Processor : AMD SOCKET 940 AM2
Chipset : Nvidia MCP55S