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NEWS

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Thursday, November 21, 2013 - 04:11

The November 2013 release of the Green500 list was announced today at the SC|13 conference in Denver, Colorado, USA. Continuing the trend from previous years, heterogeneous supercomputing systems totally dominates the top 10 spots of the Green500. A heterogeneous system uses computational building blocks that consist of two or more types of “computing brains.” These types of computing brains include traditional processors (CPUs), graphics processing units (GPUs), and co-processors. In this edition of the Green500, one system smashes through the 4-billion floating-point operation per second (gigaflops) per watt barrier.

TSUBAME-KFC, a heterogeneous supercomputing system developed at the Tokyo Institute of Technology (TITech) in Japan, tops the list with an efficiency of 4.5 gigaflops/watt. Each computational node within TSUBAME-KFC consists of two Intel Ivy Bridge processors and four NVIDIA Kepler GPUs. In fact, all systems in the top ten of the Green500 use a similar architecture, i.e., Intel CPUs combined with NVIDIA GPUs. Wilkes, a supercomputer housed at Cambridge University, takes the second spot. The third position is filled by the HA-PACS TCA system at the University of Tsukuba. Of particular note, this list also sees two petaflop systems, each capable of computing over one quadrillion operations per second, achieve an efficiency of over 3 gigaflops/watt, namely Piz Daint at Swiss National Supercomputing Center and TSUBAME 2.5 at Tokyo Institute of Technology. Thus, Piz Daint is the greenest petaflop supercomputer on the Green500. As a point of reference, Tianhe-2, the fastest supercomputer in the world according to the Top500 list, achieves an efficiency of 1.9 gigaflops/watt.

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News
Friday, June 28, 2013 - 11:52

BLACKSBURG, Va., June 28, 2013 -- Today’s release of the Green500 List (http://www.green500.org/lists/green201306) shows that the top end of the list is again dominated by heterogeneous supercomputers, those that combine two or more types of processing elements together, such as a traditional processor or central processing unit (CPU) combined with a graphical processing unit (GPU) or coprocessor.

Two heterogeneous systems, based on NVIDIA’s Kepler K20 GPU accelerators, claim the top two positions and break through the three-billion floating-point operations per second (gigaflops or GFLOPS) per watt barrier. Eurora, located at Cineca, debuts at the top of the Green500 at 3.21 gigaflops/watt, followed closely by Aurora Tigon at 3.18 gigaflops/watt. The energy efficiency of these machines, manufactured by Eurotech, improves upon the previous greenest supercomputer in the world by nearly 30%. Two other heterogeneous systems, Beacon with an efficiency of 2.449 gigaflops/watt* and SANAM with an efficiency of 2.35 gigaflops/watt, come in at numbers 3 and 4 on the Green500. The former is based on Intel Xeon Phi 5110P coprocessors while the latter is based on AMD FirePro S10000 GPUs.

Rounding out the top five is CADMOS BlueGene/Q, which is based on a previously list-leading custom design of the IBM BlueGene/Q architecture with PowerPC-based CPU processors. In fact, the next swath of supercomputers down to No. 28 are dominated by IBM BlueGene/Q systems with one set at approximately 2.30 gigaflops/watt and another at approximately 2.18 gigaflops/watt. Overall, the greenest fifty systems are either heterogeneous systems, which incorporate accelerators (GPUs) or coprocessors, or custom BlueGene/Q systems. The exceptions are a pair of homogeneous systems at 40 and 41, which are the only homogeneous systems based on Intel’s new Ivy Bridge processors...

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News
Wednesday, November 14, 2012 - 12:32

Heterogeneous Systems Re-Claim Green500 List Dominance

SALT LAKE CITY, UT - November 14, 2012 - The latest Green500 List was released today (http://www.green500.org/lists/green201211) and the top spots on the list have been taken over by machines that combine commodity processors with coprocessors or graphics processing units (GPUs) to form heterogeneous high-performance computing systems.

With all eyes on the new TOP500 number one system, Oak Ridge National Labs' Titan, it was a system belonging to a neighbor at the University of Tennessee that debuted at the top of the November Green500 List. The National Institute for Computational Sciences' Beacon system has set the new energy efficiency bar at nearly two-and-a-half billion floating-point operations per second (gigaflops) per watt. Employing Intel's Sandy Bridge series of Xeon central processing units (CPUs) and four of Intel's Xeon Phi coprocessors per node Beacon achieved a peak 112,200 gigaflops of performance running the LINPACK benchmark while consuming only 44.89 kW of power.

The Intel Xeon Phi--"Knights Corner"-- is a 22nm multicore coprocessor featuring the world's first 3D Tri-Gate transistors. Like its GPU counterparts, the Intel Xeon Phi resides on a PCI Express board that plugs into a machine's expansion slots.

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News
Monday, September 10, 2012 - 10:16

Hello Green Community,

The Green500.org website is now accepting submitted content, e.g., papers, presentations, story links, etc. If you have something related to energy efficient supercomputing, or anything related to green computing or green anything! please share it with us and we might share it with the world.

Submit an item today!

The Green500 Team

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News
Wednesday, June 27, 2012 - 00:00
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News
Thursday, December 8, 2011 - 01:00
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News
Friday, July 15, 2011 - 00:00
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News
Tuesday, July 5, 2011 - 00:00
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News
Thursday, June 30, 2011 - 00:00

Growing Greenness in the Grassroots Green500

June 30, 2011 – The latest release of The Green500 List points to a rapidly increasing pace of greenness on the Green500 List. Of the ten greenest supercomputers in the world, two trends towards greener supercomputing have emerged: (1) aggregating many low-power processors a la IBM BlueGene/Q and the K Computer by Fujitsu at the RIKEN Advanced Institute for Computational Science and (2) using energy-efficient accelerators, typically from the gaming/graphics market, e.g., AMD Radeon GPU, NVIDIA Tesla Fermi GPU, Cell, and Intel Knights Corner, to complement the commodity CPUs from Intel and AMD.

The Green500 has ranked the energy efficiency of the world‟s 500 fastest supercomputers since its debut in 2007, serving as a complement to the well-known supercomputer industry marker TOP500. Green500 founder Wu Feng notes that “The Green500 seeks to raise awareness in the energy efficiency of supercomputing, and in turn, drive energy efficiency as a first-order design constraint – one that is on par with performance or speed.” To measure this energy efficiency, the Green500 uses a metric defined as „millions of floating-point operations per second‟ (MFLOPS) divided by „watts‟ (W) or MFLOPS/W.

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News
Monday, January 10, 2011 - 01:00
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News
Thursday, December 16, 2010 - 01:00

Wu-chun Feng and Kirk Cameron

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News
Tuesday, November 9, 2010 - 01:00

On Thursday, November 18, the Green500 will host a Birds-Of-a-Feather session at SC|10 to bring together environmentally responsible supercomputing stakeholders. The session will be hosted by Wu-chun Feng and Kirk Cameron of Virginia Tech in room 389 from 12:15pm to 1:15pm.

read more >

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News
Tuesday, October 19, 2010 - 00:00

The updated run rules for the Green500 and Little Green500 list will be available on the website starting October 20th. The updated run rules can be found here. At the same time the submission portal for the November 2010 list will open.

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News
Wednesday, June 30, 2010 - 00:00

Jun 30, 2010 by Virginia Tech

With the latest release of The Green500 List, accelerator-based supercomputers now occupy the top eight slots of the Green500, where the fuel efficiency (or energy efficiency) of supercomputers is defined as millions of floating-point operations per second (MFLOPS) divided by watts (W) or MFLOPS/W. Accelerators refer to the use of dedicated hardware to perform computations faster than a traditional processor, also known as a central processing unit (CPU).

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News
Tuesday, May 4, 2010 - 00:00

May 04, 2010 by insiderHPC

In the inaugural episode of the Green HPC podcast series we will examine the issues that datacenter managers and system designers are facing with high performance computing systems of all sizes today. Even if you aren’t “green at heart,” there are very practical and compelling reasons why a growing awareness of energy use in your datacenter — how much, where it goes, and what it costs you — is critical to your success.

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News
Wednesday, December 2, 2009 - 01:00

by Newport Television, LLC

The orange of Syracuse University and blue of IBM, have teamed up to make green. Today, Syracuse University opened up a brand new environmentally friendly computer center unlike anything else in the world -- and one that may make it less expensive to operate your computer at home.

read more >

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News
Monday, November 30, 2009 - 01:00

by Steven Mackay

The sixth edition of the Green500 List shows a continuing improvement in energy efficiency among the world's fastest supercomputers. Three IBM QPACE (quantum chromodynamics parallel computing on the Cell) top the latest Green500 list, all tying for first place and all are located in Germany: Jülich Research Center, University of Regensburg, and University of Wuppertal.

read more >

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News
Wednesday, November 25, 2009 - 01:00

by Don Monroe

On November 19, three matching German supercomputers easily won the latest Green500 prize, which rewards not just raw computing power but energy efficiency. The machines, at the Research Center of Jülich and the universities of Regensburg and Wuppertal, were designed for high-energy-physics calculations as part of the "QPACE" project.

read more >

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News
Monday, November 23, 2009 - 01:00

Nov 23, 2009 by Greg Kline

Purdue University's student Cluster Challenge team at the SC09 supercomputing conference in Portland, Ore., was fast and green. The Purdue team in the competition, where teams of undergraduates from around the country pushed their student-run supercomputers to the maximum over three days, won the award for getting the most done on the least amount of power, organizers announced Thursday (Nov. 19). Purdue also won the power consumption award last year.

http://news.uns.purdue.edu/x/2009b/091123EvansChallenge.html

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News
Thursday, November 12, 2009 - 01:00

On Thursday, November 19, the Green500 will host a Birds-Of-a-Feather session at SC09 to bring together environmentally responsible supercomputing stakeholders. The session will be hosted by Wu-chun Feng and Kirk Cameron of Virginia Tech in room A107 at 12:15pm. The hour-long session will cover where the Green500 is and where it going. We invite all those interested in green supercomputing to join.

read more >

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News
Thursday, November 5, 2009 - 01:00

The Green500

Nov 05, 2009

The Green500 is getting a refresh. Since its 2007 debut, the Green500 has ranked only the energy efficiency of the world's 500 fastest performing supercomputers. Now, the Green500 is expanding the definition of a supercomputer to include a wider spectrum of the high-end computing world with the 'Little Green500' list and opening its doors to innovation with two new exploratory lists: the 'Open Green500' and 'HPCC Green500.'

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News
Friday, September 18, 2009 - 00:00

by IBM

President Obama recognized IBM (NYSE: IBM) and its Blue Gene family of supercomputers with the National Medal of Technology and Innovation, the country's most prestigious award given to leading innovators for technological achievement...

read more >

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News
Sunday, November 16, 2008 - 01:00

The Green500

Nov 16, 2008

On Wednesday, November 19, at SC|08, the founders of the Green500 from Virginia Tech will host a Birds-of-a-Feather (BoF) session, centered around evolving the list to better serve the high-performance computing community. Being "green" has undergone a true revolution -- from being largely scoffed at in the early 2000s to being so important that being "green" has become a necessity rather than a luxury.

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News
Friday, November 14, 2008 - 01:00

The Green500 List announced today that Supermicro will become the title sponsor for the November 2008 and June 2009 lists of the Green500.

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News
Monday, June 30, 2008 - 00:00

The inaugural Green500 was announced on November 15, 2007 at SC|07 with the most recent list announced on June 30, 2008. As a complement to the TOP500, the unveiling of the Green500 ushered in a new era where supercomputers can be compared by performance-per-watt.

This 3rd edition of the Green500 contains a plethora of interesting takeaways, of which the following five are most notable.

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News
Tuesday, February 5, 2008 - 01:00

Wu-chun Feng and Kirk W. Cameron

Feb 05, 2008

Dear Green500 List Stakeholders,

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