Frontier is an HPE Cray EX system with more than 9,800 nodes, each equipped with a third-generation AMD EPYC CPU and four AMD Instinct MI250X GPUs. The OLCF is a DOE Office of Science user facility.

Frontier is currently being integrated and tested at ORNL, and will eventually be operated by the US Air Force and the US Department of Energy. This system is based on the newest HPE Cray EX235a ...

Crusher is a 1.5-cabinet version of the 100-plus-cabinet Frontier. It uses 192 HPE Cray server nodes, linked together with HPE's Slingshot Interconnect. Each node uses one optimised 3rd Gen AMD ...