China's new computer does 1,000 trillion jobs per second

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4:


It is interesting to learn that,"China has installed the country's first domestically-made supercomputer capable of doing 1,000 trillion operations per second".

Computers are advancing in Fastness at an alarming Speed.

As of November 2009 the fastest supercomputer in the world is the Cray XT5 Jaguar system at National Center for Computational Sciences with more than 19000 computers and 224,000 processing elements, based on standard AMD processors.

The second fastest supercomputer and the fastest heterogeneous (or hybrid) machine is Dawning Nebulae in China. This machine is a cluster of 4640 blade servers each with 1 NVIDIA Tesla C2050 (Fermi) GPGPU and 2 Intel Westmere CPUs. The Tesla GPUs deliver most of the Linpack performance since each Tesla C2050 GPU has 515 Gigaflops peak double precision performance. The most remarkable thing about the hybrid supercomputers like Nebulae and the IBM Roadrunner (uses IBM Cell as coprocessor) is the low power of these systems. Nebulae for example is 2.55 Megawatts power and delivers 1.271 Petaflops/s compared to the number 1 supercomputer Jaguar (made using AMD Opteron CPUs) that consumes 7 Megawatt power and delivers 1.759 Petaflops/s. This makes Nebulae two times higher performance per watt compared to Jaguar.

In February 2009 IBM also announced work on "Sequoia," which appears to be a 20 petaflops supercomputer. This will be equivalent to 2 million laptops (whereas Roadrunner is comparable to a mere 100,000 laptops). It is slated for deployment in late 2011. The Sequoia will be powered by 1.6 million cores (specific 45-nanometer chips in development) and 1.6 petabytes of memory. It will be housed in 96 refrigerators spanning roughly 3,000 square feet.

Moore's Law and economies of scale are the dominant factors in supercomputer design. The design concepts that allowed past supercomputers to out-perform desktop machines of the time tended to be gradually incorporated into commodity PCs. Furthermore the costs of chip development and production make it uneconomical to design custom chips for a small run and favor mass-produced chips that have enough demand to recoup the cost of production. A current model quad-core Xeon workstation running at 2.66 GHz will outperform a multimillion dollar Cray C90 supercomputer used in the early 1990s most workloads requiring such a supercomputer in the 1990s can be done on workstations costing less than 4,000 US dollars as of 2010. Supercomputing is taking a step of increasing density allowing for desktop supercomputers to become available offering the computer power that in 1998 required a large room to require less than a desktop footprint.

In addition, many problems carried out by supercomputers are particularly suitable for parallelization (in essence splitting up into smaller parts to be worked on simultaneously) and in particular, fairly coarse-grained parallelization that limits the amount of information that needs to be transferred between independent processing units. For this reason traditional supercomputers can be replaced for many applications by "clusters" of computers of standard design, which can be programmed to act as one large computer.

Dr.A.Jagadeesh Nellore(AP)

Posted by: Dr.A.Jagadeesh - 03 Sep, 2010

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8: sounds great. If China has done it then India should do it too and be one up with new innovations.

Posted by: pravas - 02 Sep, 2010

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