SDSC Expanse CPU
Resource Type
Latest Status

Expanse is a Dell integrated compute cluster, with AMD Rome processors, interconnected with Mellanox HDR InfiniBand in a hybrid fat-tree topology. The compute node section of Expanse has a peak performance of 3.373 PF. Full bisection bandwidth is available at rack level (56 compute nodes) with HDR100 connectivity to each node. HDR200 switches are used at the rack level and 3:1 oversubscription cross-rack. Compute nodes feature 1TB of NVMe storage and 256GB of DRAM per node. The system also features 7PB of Lustre based performance storage (140GB/s aggregate), and 5PB of Ceph based object storage.

Is an ACCESS Allocated Production Compute resource
Resource supports community software areas for users to share software with other users
Resource offers discounted job queues where running jobs can be preempted
Resource supports community accounts for science gateways
Resource support community software areas for science gateways to share software on a resource
General compute use
Resource is allocated by ACCESS
Specialized analysis nodes with large memory
has advance reservations
Support for Science Gateways
Run Jobs and Workflows on ACCESS Resources from a Single Entry Point
An intuitive, innovative, and interactive interface to remote computing resources
Organization Name
San Diego Supercomputer Center
Global Resource ID