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Caltech HPC Resources

  • The Caltech Supercomputing Lab offers a total of 16,840 CPU cores, 200 GPUs, and over 130 TB of memory across 347 compute nodes.
  • Compute resources are supported by approximately 5.0 petabytes of storage.
  • All nodes run CentOS Linux 7.
  • Each standard GPU node hosts (4) Nvidia P100 GPU's, each containing 16GB of memory. 
  • 2 of our GPU nodes each host (2) V100 16GB cards.
  • 1 of our GPU nodes host (4) V100 32GB cards. 
Upcoming Cluster Refresh (2023)
  • 10,880 Intel Cores
  • 640 AMD Cores
  • 16 Nvidia H100 GPUs (Fall 2023)
  • HDR core upgrade
  • New login nodes with 2x memory

Interactive login nodes:

Hostname Accessibility Nodes Cores/Node CPU Type Memory/Node Memory Speed
login.hpc.caltech.edu Caltech Only 2 32 16-core Intel Skylake (2.1  GHz) 192 GB TBD
vislogin.hpc.caltech.edu OOD          2         32                 16-core Intel Cascadelake (2.1  GHz)                  192 GB

Compute nodes:

Type Nodes Total Cores Total Memory Cores/Node CPU Type Memory/Node Memory Speed Walltime Limit Infiniband GPUs/Node
Compute 179 5728 34,368 GB 32 16-core Intel Skylake (2.1 GHz) 192 GB 2666 MT/s
7 Days EDR
Large Memory 11 352 4,224 GB 32 16-core Intel Skylake (2.1 GHz) 384 GB 2666 MT/s
7 Days
EDR
Expansion Compute 85 4760 32,810 GB 56 28-core Intel Cascadelake 8276 (2.20 GHz) 386 GB 2933 MT/s 7 Days EDR
Expansion Big Mem Compute 9 504 13.5  TB 56 28-core Intel Cascadelake 8276 (2.20 GHz) 1.5 TB 2933 MT/s 7 Days EDR
Expansion Big Mem 4-way Compute 2 192 3 TB 96 24-core Intel Cascadelake 8276 (2.40 GHz) 1.5 TB 2933 MT/s 7 Days EDR
2nd Expansion-IceLake 61 3904
32  TB 64 32-core Intel Icelake 8352Y (2.20 GHz)
528 GB 3200 MT/s 7 Days EDR
GPU 50 1,400 12,800
 GB
28 14-core Intel Broadwell (2.4 GHz) 256 GB 2400 MT/s 7 Days
EDR 4