Attention

The Bessemer HPC service was decommissioned on 2025-10-31 and can no longer be accessed by users. Removal of Bessemer references in our documentation is ongoing

Decommissioned Clusters

ShARC

Some of the ShARC hardware.

The ShARC HPC cluster was retired in November 2023. It was shipped to Igor Sikorsky Kyiv Polytechnic Institute in Kyiv, for it’s second life.

Key features:

  • 2024 CPU cores (mixture of Intel Haswell, Intel Broadwell and Intel Skylake-SP over its lifetime)

  • 10 TB RAM (98 nodes with 64GB, 9 nodes with 256Gb, and 1 node with 384GB)

  • 669 TB Lustre filesystem

  • Fast OmniPath(100 GB/s) interconnects between worker nodes and to/from storage nodes.

  • 16 public GPUS (NVIDIA Telsa K80)

  • Used the Sun of Grid Engine job scheduler / resource manager

  • CentOS 7.x operating system

Iceberg

Some of the Iceberg hardware.

The Iceberg HPC cluster was retired in November 2019.

Key features:

  • Approx. 3500 CPU cores (mixture of AMD, Intel Ivybridge and Intel Westmere over its lifetime)

  • 260 TB Lustre filesystem

  • Fast Infiniband interconnects between worker nodes and to/from storage nodes.

  • 16 public GPUS (NVIDIA K40M and NVIDIA M2070 GPUs)

  • Used the Sun of Grid Engine job scheduler / resource manager

  • Scientific Linux 6 operating system