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Durham University

COSMA

COSMA7

COSMA7

COSMA7

COSMA 7 has 452 compute nodes, each with 512GB RAM and 28 cores (2x Intel Xeon Gold 5120 CPU @ 2.20GHz) giving it 12656 cores. The CPU is based on the skylake architecture.

The nodes are connected via Mellanox EDR Infiniband switches in a 2:1 blocking configuration. Access is enabled through three login/development servers each with 1.5TB of memory. Currently connected is a DELL storage system configured with 3.1 PB of data space (/cosma7), and a fast I/O storage with 440TB (/snap7) for temporary checkpointing. Both file systems are based on Lustre.

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