http://www.sciencedaily.com/news/computers_math/distributed_computing/ Distributed computing and computer grids. From supercomputers to computer grids, browse innovations from computer programmers and scientists around the world. en-us Wed, 11 Nov 2009 03:05:01 EST Wed, 11 Nov 2009 03:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/computers_math/distributed_computing/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/10/091026125535.htm The world's fastest supercomputer, Roadrunner, at Los Alamos National Laboratory has completed its initial "shakedown" phase doing accelerated petascale computer modeling and simulations of a variety of unclassified, fundamental science projects. Mon, 26 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091026125535.htm http://www.sciencedaily.com/releases/2009/10/091014122056.htm Researchers have combined low-power, embedded processors typically used in netbooks with flash memory to create a server architecture that is fast, but far more energy efficient for data-intensive applications than the systems now used by major Internet services. Thu, 15 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091014122056.htm http://www.sciencedaily.com/releases/2009/08/090803092606.htm The world's smallest computers, made of DNA and other biological molecules, just got more "user friendly." Wed, 14 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090803092606.htm http://www.sciencedaily.com/releases/2009/10/091008192739.htm The University of Tennessee's Kraken supercomputer was just upgraded to a peak performance exceeding one petaflop, making it the fastest system in the country managed by an academic institution and placing it among the five fastest systems in the world. Tue, 13 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091008192739.htm http://www.sciencedaily.com/releases/2009/09/090930141541.htm A way to filter out denial of service attacks on computer networks, including cloud computing systems, could significantly improve security on government, commercial, and educational systems. Fri, 02 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090930141541.htm http://www.sciencedaily.com/releases/2009/09/090930194254.htm Although hospital computer equipment can act as a reservoir for pathogenic organisms, including MRSA, researchers found that bacterial contamination rates from computer equipment were low, possibly as the result of good hand hygiene. Thu, 01 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090930194254.htm http://www.sciencedaily.com/releases/2009/09/090918100012.htm Korean computer scientists have developed a security policy specification for home networks that could make us more secure from cyber attack in our homes. Sun, 20 Sep 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090918100012.htm http://www.sciencedaily.com/releases/2009/09/090902112752.htm More computers discarded by consumers in the United States are getting a second life in developing countries than previously believed, according to a new study -- the most comprehensive ever done on the topic. The findings may ease growing concerns about environmental pollution with toxic metals that can result from dismantling and recycling computer components in developing countries. Thu, 03 Sep 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090902112752.htm http://www.sciencedaily.com/releases/2009/08/090824204828.htm Researchers have created a platform for trading computing resources that allows the selling and buying of standardized computing resources. In the process, they could make computing a utility like electricity. Tue, 25 Aug 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090824204828.htm http://www.sciencedaily.com/releases/2009/08/090824151307.htm More than a half billion people use online social networks, posting vast amounts of information about themselves to share with online friends and colleagues. A new study has found that the practices of many popular social networking sites typically make that personal information available to companies that track Web users' browsing habits, and allow them to link anonymous browsing habits to specific people. Tue, 25 Aug 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090824151307.htm http://www.sciencedaily.com/releases/2009/08/090821135030.htm Cystorm, Iowa State University's second supercomputer, is capable of a peak performance of 28.16 trillion calculations per second. It will help researchers advance their work in materials science, power systems and systems biology. Tue, 25 Aug 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090821135030.htm http://www.sciencedaily.com/releases/2009/07/090730121212.htm Computer scientists are working to prevent quantum computers from compromising today's online security. Thu, 13 Aug 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090730121212.htm http://www.sciencedaily.com/releases/2009/07/090729140241.htm Developing software is a complicated and laborious process. A new European platform automates much of the tricky building and testing phases of programming. Sat, 08 Aug 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090729140241.htm http://www.sciencedaily.com/releases/2009/06/090624111917.htm Researchers are developing programming tools to enable engineers in the defense industry to utilize the processing power of GPUs without having to learn the complicated programming language required to use them directly. Fri, 31 Jul 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090624111917.htm http://www.sciencedaily.com/releases/2009/07/090723142057.htm A supercomputer named Novo-G described by its lead designer as likely the most powerful computer of its kind in the world became operational the week of July 21, 2009. Fri, 24 Jul 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090723142057.htm http://www.sciencedaily.com/releases/2009/06/090630075612.htm From searching for cures for disease to monitoring the Earth’s atmosphere, grid computing has become essential to data-intensive research. But accessing limited grid resources is not always a simple task. Fri, 10 Jul 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630075612.htm http://www.sciencedaily.com/releases/2009/06/090616193351.htm Not using your computer at the moment? You can now donate your computer's idle time to cutting-edge biomedical research aimed at finding a cure for HIV, Parkinson's, arthritis, and breast cancer. Sun, 21 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090616193351.htm http://www.sciencedaily.com/releases/2009/05/090508190421.htm Cloud computing is a hot topic in the technology world these days. Even if you're not a tech-phile, chances are if you've watched a lot of television or skimmed a business magazine, you've heard someone talking about cloud computing as the way of the future. While it's difficult to predict the future, a new cloud computing infrastructure is demonstrating that cloud computing's potential is being realized now. Mon, 25 May 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090508190421.htm http://www.sciencedaily.com/releases/2009/05/090521112719.htm A working definition for cloud computing -- a new computer technique with potential for achieving significant cost savings and information technology agility -- has been released by a team of computer security experts at the National Institute of Standards and Technology. Thu, 21 May 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090521112719.htm http://www.sciencedaily.com/releases/2009/05/090514083931.htm At the Taiwan Open 2009, the Dutch national supercomputer Huygens defeated two human Go professionals in an official match. This is the second victory of Huygens playing Go against professional players. Mon, 18 May 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/05/090514083931.htm http://www.sciencedaily.com/releases/2009/04/090424114216.htm Personal computers may soon save large amounts of energy by "sleep talking." Computer scientists have created a plug-and-play hardware prototype for personal computers that induces a new energy saving state known as "sleep talking." The new sleep talking state provides much of the energy savings of sleep mode and some of the network-and-Internet-connected convenience of awake mode. Fri, 01 May 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090424114216.htm http://www.sciencedaily.com/releases/2009/04/090416105350.htm The outlook is bleak for laptops, hard drives and desktops – clouds are on the horizon and could change the way we use computers forever. For some, the ‘cloud’ is just the latest technological craze, but for others it is the future of computing, and it has already generated a large body of research literature. What seems certain is that cloud computing has the potential to bring about irreversible changes in the way computers are used around the world. Tue, 21 Apr 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090416105350.htm http://www.sciencedaily.com/releases/2009/04/090408140219.htm Highlighting another challenge to the development of quantum computers, theorists at NIST have shown that a type of software operation, proposed as a solution to fundamental problems with the computers' hardware, will not function as some designers had hoped. Thu, 09 Apr 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090408140219.htm http://www.sciencedaily.com/releases/2009/04/090408170901.htm What's faster than the speediest supercomputer? How about a high-speed grid linking 12 world-class supercomputers? That's what researchers have now built. Wed, 08 Apr 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/04/090408170901.htm http://www.sciencedaily.com/releases/2009/03/090318090142.htm How does the human brain run itself without any software? Find that out, say European researchers, and a whole new field of neural computing will open up. A prototype ‘brain on a chip’ is already working. Mon, 23 Mar 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090318090142.htm http://www.sciencedaily.com/releases/2009/03/090305080734.htm The ASTRA project, standing for Ancient instruments Sound/Timbre Reconstruction Application, has revived an instrument that hasn't been played or heard in centuries. Using the Enabling Grids for E-sciencE infrastructure for computing power, scientists have reconstructed the "epigonion," a harp-like, stringed instrument used in ancient Greece. Mon, 09 Mar 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/03/090305080734.htm http://www.sciencedaily.com/releases/2009/03/090305164353.htm Putting idle servers to sleep when they're not in use is part of University of Michigan researchers' plan to save up to 75 percent of the energy that power-hungry computer data centers consume. Thu, 05 Mar 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/03/090305164353.htm http://www.sciencedaily.com/releases/2009/02/090217092750.htm Physicists are harnessing the power of supercomputing to recreate how galaxies are born, how they develop over time and, ultimately, how they collapse. Scientists are creating computer simulations to better understand the physics of black holes and the role they play in galaxy formation. Sun, 22 Feb 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/02/090217092750.htm http://www.sciencedaily.com/releases/2009/02/090205083528.htm Software which automatically shuts down computer systems after usage, is saving large organizations up to £13,000 ($19,000 US) in electricity costs each month. Mon, 09 Feb 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/02/090205083528.htm http://www.sciencedaily.com/releases/2009/02/090205110609.htm One of the themes of Dan Brown’s The Da Vinci Code is the need to keep vital and sensitive information secure. Today, we take it for granted that most of our information is safe because it's encrypted. Every time we use a credit card, transfer money from our checking accounts -- or even chat on a cell phone -- our personal information is protected by a cryptographic system. But the development of quantum computers threatens to shatter the security of current cryptographic systems used by businesses and banks around the world. Scientists are now developing a system aimed to keep encryption safe from quantum computers. Fri, 06 Feb 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/02/090205110609.htm http://www.sciencedaily.com/releases/2009/01/090114132730.htm The worldwide attempt to increase the speed of supercomputers merely by increasing the number of processor cores on individual chips unexpectedly worsens performance for many complex applications, new simulations have found. Thu, 15 Jan 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/01/090114132730.htm http://www.sciencedaily.com/releases/2009/01/090108082531.htm A powerful new tool that can extract features and patterns from enormously large and complex data sets has been developed. The tool -- a set of problem-solving calculations known as an algorithm -- is compact enough to run on computers with as little as two gigabytes of memory. Sat, 10 Jan 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/01/090108082531.htm http://www.sciencedaily.com/releases/2008/12/081222113532.htm Over the last 60 years, ever-smaller generations of transistors have driven exponential growth in computing power. Could molecules, each turned into miniscule computer components, trigger even greater growth in computing over the next 60? Tue, 30 Dec 2008 20:00:00 EST http://www.sciencedaily.com/releases/2008/12/081222113532.htm http://www.sciencedaily.com/releases/2008/12/081217124434.htm Barry Sanders, director of the University of Calgary's Institute for Quantum Information Science, is hoping computer animation can help the public better understand quantum physics. Videos are published for the first time in the New Journal of Physics. For the first time, a detailed description on the making of Sanders' animation -- Solid State Quantum Computer in Silicon -- was published this month in the New Journal of Physics. Fri, 19 Dec 2008 14:00:00 EST http://www.sciencedaily.com/releases/2008/12/081217124434.htm http://www.sciencedaily.com/releases/2008/12/081202115421.htm A more human approach to processing raw data could change the way that computers deal with information, according to academics. Sat, 06 Dec 2008 08:00:00 EST http://www.sciencedaily.com/releases/2008/12/081202115421.htm http://www.sciencedaily.com/releases/2008/12/081201144559.htm Many computing luminaries, such as Steve Jobs or Bill Gates, have an early experience in common -- an engaging experience in middle school or high school that sparked an excitement for learning everything they could about computers. Today, many young people are surrounded by computing at home and in school, and some of them will likely find a similar passion that will lead them to push tomorrow's frontiers in computer science. Tue, 02 Dec 2008 14:00:00 EST http://www.sciencedaily.com/releases/2008/12/081201144559.htm http://www.sciencedaily.com/releases/2008/11/081121101007.htm The steps needed to achieve speedy optical control of electron spin in a quantum dot are revealed in a new study published in the journal Nature. The instructions bring the prospect of fast quantum computers one step closer. Mon, 24 Nov 2008 23:00:00 EST http://www.sciencedaily.com/releases/2008/11/081121101007.htm http://www.sciencedaily.com/releases/2008/11/081120130601.htm Quantum computers would likely outperform conventional computers in simulating chemical reactions involving more than four atoms, according to scientists. Such improved ability to model and predict complex chemical reactions could revolutionize drug design and materials science, among other fields. Fri, 21 Nov 2008 17:00:00 EST http://www.sciencedaily.com/releases/2008/11/081120130601.htm http://www.sciencedaily.com/releases/2008/11/081121081051.htm The dream of using the Internet to allow people to access as much computer processing and storage power as they need, when they need it, is a step closer thanks to European researchers. Fri, 21 Nov 2008 00:00:00 EST http://www.sciencedaily.com/releases/2008/11/081121081051.htm http://www.sciencedaily.com/releases/2008/11/081117121243.htm A Cray XT high-performance computing system at the Oak Ridge National Laboratory is the world's fastest supercomputer for science. The Cray XT, called Jaguar, has a peak performance of 1.64 petaflops, (quadrillion floating point operations, or calculations) per second, incorporating a 1.382 petaflops XT5 and a 266 teraflops XT4 systems. Mon, 17 Nov 2008 00:00:00 EST http://www.sciencedaily.com/releases/2008/11/081117121243.htm http://www.sciencedaily.com/releases/2008/10/081029131325.htm CSC's Cray supercomputer has been upgraded to over 85 teraflops (trillions of floating point operations per second). This makes the new Cray XT5 system at CSC the most powerful academic supercomputer in the Nordic countries and one of the fastest supercomputers in Europe. Thu, 13 Nov 2008 02:00:00 EST http://www.sciencedaily.com/releases/2008/10/081029131325.htm http://www.sciencedaily.com/releases/2008/11/081112074425.htm Hot on the heels of a new supercomputer, plans for a new light-speed data line between the Translational Genomics Research Institute and Arizona State University could slash the time is takes to transfer genetic information. Accelerating the flow of information could help speed discoveries that eventually could help produce treatments and cures for diseases such as Alzheimer's, autism, diabetes and various cancers. Wed, 12 Nov 2008 00:00:00 EST http://www.sciencedaily.com/releases/2008/11/081112074425.htm http://www.sciencedaily.com/releases/2008/11/081104084217.htm Doctors use diagnostic sonography or ultrasound to visualize organs and other internal structures of the human body. Scientist have now developed a computer model that can predict the sound transmission of improved designs for ultrasound instruments. The computer model is capable of processing large quantities of data and can be run on both a PC and a parallel supercomputer. Thu, 06 Nov 2008 23:00:00 EST http://www.sciencedaily.com/releases/2008/11/081104084217.htm http://www.sciencedaily.com/releases/2008/11/081103090902.htm When it is fully up and running, the four massive detectors on the new Large Hadron Collider (LHC) at the CERN particle-physics lab near Geneva are expected to produce up to 15 million gigabytes, aka 15 petabytes, of data every year. Computer scientists have now risen to the challenge of dealing with this unprecedented volume of data. Mon, 03 Nov 2008 00:00:00 EST http://www.sciencedaily.com/releases/2008/11/081103090902.htm http://www.sciencedaily.com/releases/2008/10/081029084044.htm In less time than the blink of an eye, the Translational Genomics Research Institute's new supercomputer at Arizona State University can do operations equal to every dollar in the recent Wall Street bailout. That would be 700 billion computations in less than 1/60th of a second. Thu, 30 Oct 2008 05:00:00 EDT http://www.sciencedaily.com/releases/2008/10/081029084044.htm http://www.sciencedaily.com/releases/2008/10/081029104256.htm There have been several revolutions during the 60 year history of electronic computation, such as high level programming languages and client/server separation, but one key challenge has yet to be fully resolved. This is to break down large complex processes into small more manageable components that can then be reused in different applications. Thu, 30 Oct 2008 02:00:00 EDT http://www.sciencedaily.com/releases/2008/10/081029104256.htm http://www.sciencedaily.com/releases/2008/10/081022164709.htm Scientists have performed the ultimate miniaturization of computer memory: storing information inside the nucleus of an atom. This breakthrough is a key step in bringing to life a quantum computer -- a device based on the fundamental theory of quantum mechanics which could crack problems unsolvable by current technology. Thu, 23 Oct 2008 11:00:00 EDT http://www.sciencedaily.com/releases/2008/10/081022164709.htm http://www.sciencedaily.com/releases/2008/10/081014092842.htm New technology developed by European researchers allows companies to deploy their business processes using grid computing and, even better, it validates a platform that gives easy access to grid resources. It is a big deal. Thu, 16 Oct 2008 02:00:00 EDT http://www.sciencedaily.com/releases/2008/10/081014092842.htm