The diversity is occurring now, but it is by no means the first time it has ever happened,” said Thomas Sterling. “As we look back over the last 40 years we see these different cases where the majority of people are working on one level with one modality and others are working at the very high end of the supercomputing. This time is different because this time both sides are still high-performance computing. Both are still pushing the edge beyond conventional enterprise servers or lap tops or desk side machines. One of the differences is that the two are out of phase with each other. The second issue is there are two very different objective functions. One is achieving sometimes competitively high performance, the other is accessibility. In case of accessibility, cost is a key issue.”
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