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Monday, May 11, 2009

Britain Presents Powerful

Britain presents powerful new computer
LONDON, Jan. 15 (Xinhua) -- Britain officially presented its powerful new computer Tuesday, but scientists still called for continued efforts to improve the computer's powerfulness. The computer's 60 teraflops (trillion operations per second) have been up and running since autumn 2007, but Chancellor of the Exchequer Alistair Darling marks the official start Tuesday by unveiling a plaque at Edinburgh University's Advanced Computing Facility, the BBC reported. The computer, going by the name of HECToR (high-end computing terascale resource), is four times more powerful than Britain's previous best computer HPCx, which will continue to run. However, HECToR ranks only 17th in the list of the world's most powerful computers (as measured against the popular TOP 500 list.)
According to the report, the machine will be used by up to 1,000 groups of scientists to model complex systems. Each user's proposal for time on the machine will have to go through a peer-review process.
Chemists, engineers and physicists will be lining up to use the computer to predict the properties of materials, or to study how they behave under extreme conditions.
However, the supercomputer is unlikely to change much for some of British largest consumers of computer power, including the Met Office Hadley Center for Climate Change.
HECToR will be used in collaborative work between the Hadley Center and the Natural Environment Research Council, with the details yet to be decided.
HECToR will run for six years and will be upgraded in two years to be five times more powerful than it is now.



Iranians claim to have built Opteron-based supercomputerA high-performance computing research center in Iran says on its Web site that it used AMD's Opteron processor in a new supercomputer -- raising questions about how the facility might have obtained the chips.
Review roundup: Invasion of the ultrasmall desktop PCsThe newest ultrasmall computers are good citizens in home and small offices where space is tight -- if you can live with a few trade-offs. Here's what to look for in small computers, plus an in-depth examination of three top models.
The big switch to utility computing

FAQ: Everything you need to know about the MacBook AirThe oohs and aahs from Tuesday's unveiling of Apple's new MacBook Air have died down -- mostly. Now it's time to take a closer look at just what Steve Jobs pulled out of that envelope at the Macworld Expo.

Opinion: Blu-ray or HD DVD -- neither, thanksAs the skirmish between Blu-ray and HD DVD drags on, you should be patient and wait -- not for Blu-ray, but for systems that can store video-on-demand movies and TV on spinning disk and flash memory.

Ultramobile PCs plentiful but still not getting respectLots of new ultramobile PCs are in the pipeline, but so far, vendors have not yet hit a home run and few people are enthused about them.

Can Macs conquer the enterprise? The time is ripe ... Macs are now stable, Intel-based workhorses that run Windows apps and make end users happy. Is that enough for entry to the enterprise?

Energy crisis: Where's an outlet when you need one?As gadgets get better and more numerous, ways to keep them powered are failing to keep up. It's a problem that screams for a solution, says columnist Mike Elgan.

Review: Two new 22-in. LCDs offer great viewsTwo new displays from Envision and Lenovo offer good-quality video for desktops that can't handle larger monitors.

Common SenseSuggesting that the Iranian IT community isn't all that different from the U.S. IT community isn't a stretch. It's common sense.

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