Is the Top500 meaningless? Not so, says US national laboratory CTO

▤ Summary

This article examines Oak Ridge National Laboratory’s Frontier supercomputer and the limits of the Top500 benchmark. It shows how a one-line software fix helped the system exceed exascale performance after an urgent debugging effort with HPE and AMD. The piece also explains how Frontier supports real scientific and engineering work, including GE and Safran’s jet engine turbulence modeling. It notes that ORNL plans to add Lux and Discovery, while older systems eventually get retired because vendors stop supporting outdated software and security patches.

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