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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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A member from the IBM install team works on the ASC Sequoia computer. The supercomputer is used for nuclear research including how to prolong the life of older nuclear weapons.