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At the 2012 International Supercomputing Conference, Germany, IBM's Sequoia was named the world's fastest supercomputer. Their Top 500 Supercomputer list is updated twice a year.
Sequoia is an IBM BlueGene/Q system which was installed at the Department of Energy’s National Nuclear Security Administration at the Livermore National Laboratory. In the test, Sequoia 16.32 petaflop/s on the Linpack benchmark using 1,572,864 cores. Sequoia is 55% faster than the second fastest computer in the world, Japan's K and is more energy efficient.
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IBM placed 42.6 percent off the Top 500 Supercomputers. HP was second with 138 supercomputers for a 27.6 percent, and Cray was third with 26 supercomputers - 5.2 percent of those on the list.
Intel dominated the chip list with 70 percent using it Xeon processor. In celebration the chipmaker has released the production schedule for their Xeon family Many Integrated Cores Architecture (MIC) co-processor called Xeon Pi. It can reach 1 TeraFLOP performance from a single PCIe card.
Here's David Chernicoff's take on the new processor.
How was this list determined?
The group used the Linpack Benchmark which is a "measure of a computer’s floating-point rate of execution. It is determined by running a computer program that solves a dense system of linear equations. Over the years the characteristics of the benchmark has changed a bit. In fact, there are three benchmarks included in the Linpack Benchmark report." Here's a list of FAQ's about the Linpack Benchmark.
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