Yellowstone (supercomputer)

Yellowstone was the inaugural computing resource at the NCAR-Wyoming Supercomputing Center (NWSC) in Cheyenne, Wyoming. It was installed, tested, and readied for production in the summer of 2012. The Yellowstone supercomputing cluster was decommissioned on December 31, 2017. Yellowstone is a highly capable petascale system designed for conducting breakthrough scientific research in the interdisciplinary field of Earth system science. Scientists use this computer and its associated resources to model and analyze complex processes in the atmosphere, oceans, ice caps, and throughout the Earth system, accelerating scientific research in climate change, severe weather, geomagnetic storms, carbon sequestration, aviation safety, wildfires, and many other topics. Funded by the National Science Foundation and the State and University of Wyoming, and operated by the National Center for Atmospheric Research, Yellowstone’s purpose is to improve the predictive power of Earth system science simulation to benefit decision-making and planning for society.

Yellowstone is a 1.5-petaflops IBM iDataPlex cluster computer with 4,536 dual-socket compute nodes that contain 9,072, 2.6-GHz Intel Xeon E5-2670 8-core processors (72,576 cores), and its aggregate memory size is 145 terabytes. The nodes interconnect in a full fat tree network via a Mellanox FDR InfiniBand switching fabric. System software includes the Red Hat Enterprise Linux operating system for Scientific Computing,LSF Batch Subsystem and Resource Manager, and IBM General Parallel File System (GPFS).

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