To answer demands from supercomputing sites that a metric be developed that emphasizes data movement over sheer number crunching peak potential, Dr. While raw floating point peak performance is a competitive fuel, for those engaged in scientific computing at scale, determining what makes a machine valuable is far more nuanced. ![]() This shift in value stands to reason, since larger machines mean more data coursing through the system, thus an increased reliance on memory and the I/O subsystem, among other factors. ![]() However, many have argued the benchmark is getting long in tooth with its myopic focus on sheer floating point performance over other important factors that determine a supercomputer’s value for real-world applications. ![]() When we cover the bi-annual listing of the world’s most powerful supercomputers, the metric at the heart of those results, the high performance Linpack benchmark, the gold standard for over two decades, is the basis.
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