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Supercomputing
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Author Supercomputing
HenryTo
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PostPosted: Sun Apr 15, 2007 6:42 pm    Post subject: Supercomputing Reply with quote

Cray's supercomputer at the Department of Energy's Oak Ridge National Laboratory (ORNL) upgraded (doubled) its performance to 119 teraflops - putting it number 2 on the world's Top 500 list of supercomputers:

http://www.hpcwire.com/hpc/1370386.html
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HenryTo
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PostPosted: Tue Jun 23, 2009 10:17 pm    Post subject: Reply with quote

New semi-annual "Top 500" list of the world's fastest supercomputers is released:

http://www.top500.org/lists/2009/06/press-release

Quote:
The entry level to the list moved up to the 17.1 Tflop/s mark on the Linpack benchmark, compared to 12.64 Tflop/s six months ago.

The last system on the newest list would have been listed at position 274 in the previous TOP500 just six months ago. This turnover rate is gain just above average after the TOP500 recorded the highest turnover in its history one year ago.

Total combined performance of all 500 systems has grown to 22.6 Pflop/s, compared to 16.95 Pflop/s six months ago and 11.7 Pflop/s one year ago.
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PostPosted: Fri Jun 19, 2009 1:36 am    Post subject: Reply with quote

The University of Toronto fires up the most powerful supercomputer in Canada - and putting it at number 12 on the "Top 500" list of supercomputers worldwide:

http://www.thestar.com/news/gta/article/652745
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PostPosted: Sat Jun 13, 2009 1:39 am    Post subject: Reply with quote

Building the "exascale" computer - what it means and how do we get there:

http://www.pcplus.co.uk/node/3072/

Quote:
One exaflop is 1,000 times faster than a petaflop. The fastest computer in the world is currently the IBM-based Roadrunner, which is located in Los Alamos, New Mexico. Roadrunner runs at an astounding one petaflop, which equates to more than 1,000 trillion operations per second. The supercomputer has 129,600 processing cores and takes up more room than a small house, yet it’s still not quite fast enough to run some of the most intense global weather simulations, nuclear tests and brain modelling tasks that modern science demands. For example, the lab currently uses the processing power of Roadrunner to run complex visual cortex and cellular modelling experiments in almost real- time. In the next six months, the computer will be used for nuclear simulation and stockpile tests to make sure that the US nuclear weapon reserves are safe. However, when exascale calculations become a reality in the future, the lab could step up to running tests on ocean and atmosphere interactions. These are not currently possible because the data streams involved are simply too large. The move to exascale is therefore critical, because researchers require increasingly fast results from their experiments.
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PostPosted: Sat May 30, 2009 2:34 pm    Post subject: Reply with quote

A true super computer homeless man stays wired in SF Arrow

http://online.wsj.com/article/SB124363359881267523.html
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PostPosted: Fri May 29, 2009 3:27 am    Post subject: Reply with quote

The latest trends in the supercomputing space, courtesy of Top500.org:

http://www.top500.org/blog/2009/05/20/top_trends_high_performance_computing

Quote:
Introduction

If we calculate the performance predictions for the TOP500 list, then we will see a 100 Petaflops system most likely in the year 2016. In the past we had a performance increase within 11 years from Gigaflops (Cray2 in 1986), via Teraflops (Intel ASCI Red in 1997) up to the Petaflops ( IBM Roadrunner in 2008 ) by a factor of 1000. Despite these performance improvements the HPC arena will more and more be defined indirectly via the highly compute-intensive applications. They are coming from a variety of areas, involving quantum mechanical physics, weather forecasting, climate research, molecular modeling (computing the structures and properties of chemical compounds, biological macromolecules, polymers, and crystals), physical simulations (such as simulation of airplanes in wind tunnels and research into nuclear fusion), cryptanalysis, and improved seismic processing for oil exploration for continued supply. For most of these applications detailed results may only be achieved with systems in the Petaflops range. And hopefully Exascale Systems will be seen first in 2019.

But what are the trends in the nearest future which will form the basis for all these performance predictions. The major challenges to all processor requirements for HPC systems now and in the future will be: low cost, low power consumption, availability of support for parallel programming, and efficient porting of existing codes.
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PostPosted: Wed May 27, 2009 12:23 am    Post subject: Reply with quote

Germany unveils the fastest supercomputer in Europe - and the third fastest in the world:

http://www.google.com/hostednews/afp/article/ALeqM5gR8XY_dducd-C_KFpWxRTeBQh1Cw

Quote:
The "Jugene," capable of 1,000,000,000,000,000 calculations per second, ranks behind the "Roadrunner" and "Jaguar" computers in the United States, said Kosta Schinarakis from the Juelich research centre, where the computer is located.

Jugene will be used for a wide variety of operations, including research on fuel cells for electric cars, weather forecasting and the origins of the universe, the centre said.

The machine is no ordinary PC, requiring 295,000 processors located in 72 lockers each the size of a telephone box.
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PostPosted: Sat May 02, 2009 10:09 pm    Post subject: Reply with quote

Fool.com's writer on IBM's latest supercomputing threat to Google:

http://www.fool.com/investing/general/2009/04/29/how-ibm-plans-to-destroy-google.aspx
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PostPosted: Thu Apr 30, 2009 7:12 pm    Post subject: Reply with quote

Aside from modeling our nation's nuclear stockpile and various astrophysics projects, the most powerful of them all is also assisting with other projects such as those that deal with alternative energy, protein folding, etc.

http://www.wired.com/wiredscience/2009/04/supercomputers-2/

Quote:
Jackie Chen of Sandia National Laboratories is using 30 million processor-hours on Jaguar to simulate the combustion process of alternative fuels, like biofuel and ethanol. Her modeling of flames, ignition and turbulence can influence engine design, allowing for higher-efficiency and lower emissions vehicles.

“To understand the underlying physics of what’s going on in the internal combustion engines with alternative fuels,” said Chen, “we need some of the world’s largest calculations.”

Other ongoing projects seek to understand how proteins misfold in neurodegenerative diseases, develop thermoelectric materials to capture wasted heat from tailpipe emissions and create high-resolution climate models.
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PostPosted: Sun Apr 26, 2009 11:42 pm    Post subject: Reply with quote

IBM's Blue Gene to compete on ‘Jeopardy!’:

http://www.nytimes.com/2009/04/27/technology/27jeopardy.html?ref=technology

Quote:
Eric Nyberg, a computer scientist at Carnegie Mellon University, is collaborating with I.B.M. on research to devise computing systems capable of answering questions that are not limited to specific topics. The real difficulty, Dr. Nyberg said, is not searching a database but getting the computer to understand what it should be searching for.

The system must be able to deal with analogies, puns, double entendres and relationships like size and location, all at lightning speed.

In a demonstration match here at the I.B.M. laboratory against two researchers recently, Watson appeared to be both aggressive and competent, but also made the occasional puzzling blunder.
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PostPosted: Wed Mar 25, 2009 11:45 pm    Post subject: Reply with quote

A glimpse of the next International Supercomputing Conference in June - from talks to exhibits to technologies:

http://www.hpcwire.com/features/Bigger-and-Better-ISC-Moves-to-Hamburg-41842587.html?viewAll=y

Quote:
HPCwire: The 33rd TOP500 list will be unveiled in Hamburg. Can you tell yet whether there will be any big surprises?

Prof. Meuer: At last year's conference, the 31st edition of the TOP500 list was topped by the first-ever petaflop/s machine, the IBM supercomputer installed at Los Alamos National Laboratory and named "Roadrunner," which carried out more than 10^15 floating point operations per second running the Linpack benchmark. In the 32nd list that we released at the SC08 conference in Austin last November there appeared a second petaflop/s machine -- the Cray XT5 "Jaguar" at Oak Ridge National Laboratory, which placed just behind Roadrunner at the top of the list. I expect that Jaguar will top the next list, and that Roadrunner will lose its top ranking. I've seen several indicators pointing to this change, so it won't be a big surprise if it happens. But to know for sure, we will just have to wait for the ISC'09 opening session.
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PostPosted: Sat Mar 14, 2009 12:02 pm    Post subject: Reply with quote

Still so much to do so little....magic:


http://www.latimes.com/entertainment/news/photos/la-et-scene-watchmen-pg,0,3647516.photogallery?index=7
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PostPosted: Sat Mar 07, 2009 12:09 am    Post subject: Reply with quote

A real-world adoption of the Nvidia Tesla GPUs in place of traditional CPUs:

http://www.finextra.com/fullstory.asp?id=19711

Quote:
The new platform replaces more than 500 traditional CPU cores consuming 25 kW, allowing a 100 fold increase in the amount of calculation achieved per Watt. The overall reduction of response times is a factor of 15, contributing to a reduction in total cost of operation.

BNP Paribas CIB says overall electricity consumption will be reduced by a factor of 190, significantly cutting the bank's environmental impact.

Stéphane Tyc, head, GECD quantitative research, BNP Paribas CIB, says: "We are extremely pleased with these performances, which significantly exceed our initial expectations. We hope to transfer more calculations to the GPU architecture in the near future."
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PostPosted: Mon Mar 02, 2009 12:50 am    Post subject: Reply with quote

The "Earth Simulator" - the Japanese pride for more than two years - now just a smaller version of itself, even after a major upgrade:

http://mdn.mainichi.jp/mdnnews/news/20090228p2a00m0na026000c.html

Quote:
The old Earth Simulator was the world fastest computer for 2 1/2 years after it was switched on in 2002. As of last November it was ranked 73rd, and fifth in Japan. The upgrades are expected to make it the fastest in Japan, and about the 18th fastest in the world.The old Earth Simulator was the world fastest computer for 2 1/2 years after it was switched on in 2002. As of last November it was ranked 73rd, and fifth in Japan. The upgrades are expected to make it the fastest in Japan, and about the 18th fastest in the world.
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PostPosted: Fri Feb 13, 2009 9:28 am    Post subject: Reply with quote

Computers are still computers, super or no:


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PostPosted: Thu Feb 12, 2009 12:53 am    Post subject: Reply with quote

The "petaflop era" finally comes to Europe - courtesy of IBM, of course:

http://www.eweek.com/c/a/IT-Infrastructure/IBM-BlueGene-Supercomputer-Looks-to-Break-the-Petaflop-Mark-in-Europe/
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