Sunday, March 10, 2013

Top 10 Super Computers

1 SEQUOIA SUPERCOMPUTER, Lawrence Livermore National Laboratory

Researchers from IBM and Lawrence Livermore National Laboratory in California with Sequoia, the LLNL system that was named the most powerful supercomputer in the world Monday in the top 500 list. 
The new Top 500 champion is Sequoia, a Blue Gene/Q supercomputer built on IBM Power architecture at the Department of Energy’s Lawrence Livermore National Laboratory in Californa. The emergence of Sequoia has returned the U.S. to the top spot of the Top500 list for the first time since November 2009. Sequoia consists of 96 racks; 98,304 compute nodes, 1.6 million cores and 1.6 petabytes of memory, and hit an impressive new record of 16.32 Petaflops  on the Linpack benchmark. The National Nuclear Security Administration uses Sequoia to research the safety, security and reliability of the United States’ nuclear deterrent – replacing the need for underground testing. The Blue Gene/Q Sequoia is eight times more powerful than its predecessor BlueGene/L technology.

2 K-UPERCOMPUTER, RIKEN Advanced Institute for Computational Science (AICS), Japan
The “K” supercomputer, a joint project by Fujitsu and the RIKEN center, is now the No. 2 system.  Installed at the RIKEN Advanced Institute for Computational Science (AICS) in Kobe, Japan, the K Computer it achieved an impressive 10.51 Petaflop/s on the Linpack benchmark using 705,024 SPARC64 processing cores. The K Computer is the first supercomputer to achieve a performance level of 10 Petaflop/s, or 10 quadrillion calculations per second. The K computer had taken the No. 1 position in both June 2011 and November 2011.
3 MIRA SUPERCOMPUTER, Argonne National Laboratory, Illinois

A look at the cabling supporting the Mira supercomputer in Argonne National Laboratory (Photo: ANL)
Argonne National Lab’s (ANL) Blue Gene/Q-based system Mira is the third-fastest system in the world. Mira is being used to significantly advance science and industry. Mira has 48 racks and 786,432 processors, and weigh 104 tons. It is 20 times faster and five times more energy-efficient than Argonne’s current system, Intrepid. When it goes into full production, more than 5 billion computing hours will be allotted to scientists on Mira every year. Any researcher in the world can apply for time on Mira to run programs for their experiments.
4 SUPERMUC SUPERCOMPUTER, Leibniz Rechenzentrum, Munich, Germany
The new SuperMUC” system at the The Leibniz Supercomputing Centre (LRZ) was built with IBM System x iDataPlex Direct Water Cooled dx360 M4 servers with more than 150,000 cores to provide a peak performance of up to three petaflops, which is equivalent to the work of more than 110,000 personal computers. IBM says it is the world’s first commercially available hot-water cooled supercomputer. The SuperMUC system is Europe’s fastest computer, and will be used to drive a wide spectrum of research — from simulating the blood flow behind an artificial heart valve, to devise quieter airplanes to unearthing new insights in geophysics, including the understanding of earthquakes.
5 TIANHE-1A, National Supercomputing Center, Tianjin, China

The Tianhe-1A, the most powerful supercomputer in the world as of November 2010.
The Chinese Tianhe-1A system at the National Supercomputer Center in Tianjin is in fifth place in the latest survey, achieving a performance level of 2.57 petaflop/s (quadrillions of calculations per second). In 2010 the Tianhe-1A system took the top spot, but was dethroned by the K Supercomputer when the next TOP500 list was published in June 2011.
6 JAGUAR, Oak Ridge National Laboratory
Jaguar was the top performer in the June 2010 survey, but has slowly slipped back to its current position in sixth place, where it remains with a 1.75 petaflop performance speed running the Linpack benchmark. Jaguar is a Cray XT5 system located at the Department of Energy’s Oak Ridge Leadership Computing Facility in Tennessee. While Jaguar fell a few flops short this year, it retains a leadership position in supercomputing style with its striking Jaguar motif.

A look at the IBM Ble Gene / Q systems powering the Fermi supercomputer at Cineca in Italy.
In seventh place is the FERMI system housed at Cineca, a non-profit consortium, made up of 54 Italian universities and research organizations. FERMI is composed of 10.240 PowerA2 sockets running at 1.6GHz, with 16 cores each, totaling 163.840 compute cores and a system peak performance of 2.1 PFlops. Each processor comes with 16Gbyte of RAM (1Gbyte per core). The system will be equipped with a scratch storage system with a capacity of 2 petabytes and bandwidth in excess of 100 GByte/s. FERMI will enable computational science of scale, and will allow Italian and European teams of researchers to perform computationally intensive, large-scale research projects attacking fundamental problems in science and engineering that require massive calculations. ISCRA (Italian SuperComputing Resources Allocation) and PRACE will manage the access to the Tier-0 supercomputer by the way of international peer-review procedures ensuring world-class research is carried out that will be competitive worldwide. The system is named for Enrico Fermi, the Italian-born nuclear physicist.
8 JuQUEEN, Juelich, Germany
JuQueen is the newest system at the Forschungszentrum Juelich (FZJ) supercomputing center in Germany, whose JuGENE system previously held a spot in the top 10. The structure of the Blue Gene/Q is similar to that of the Blue Gene/P with increased performance metrics and on-board water cooling. The system consists of eight racks and will have a peak performance of 1.6 petaflops. It clocked in at 1.38 petaflops in the Linpack testing for the Top 500. One rack contains 32 node boards with 32 compute nodes each. A node consists of a processor comprising 16 IBM PowerPC A2 cores (1.6 GHz, 64 bits) for the execution of user applications; one additional core is used for the operating system. Each core can execute four processes/threads and has a quad floating point unit.
A cool shot of the Curie supercomputer, a Bull-powered system at the French atomic energy agency.
In the ninth position this year is the Curie supercomputer system, which resides at the Commissariat a l’Energie Atomique (CEA). The Curie supercomputer, owned by GENCI and operated into the TGCC by CEA, is the first French Tier0 system open to scientists through the French participation into the PRACE research infrastructure. Curie consists of 280 bullx B chassis housing 5,040 bullx B510 nodes, each with two 8-core Intel Sandy Bridge processors and a local SSD disk. The system has a total of 77,000 cores.
10 NEBULAE, China

, which is located at the National Supercomputing Centre in Shenzhen, China, achieved 1.271 PFlop/s to rank 10th overall. Nebulae was built from a Dawning TC3600 Blade system with Intel X5650 processors and NVIDIA Tesla C2050 GPU.

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