Caltech HPC Resources

• The Caltech Supercomputing Lab offers a total of 28,591 CPU cores, 228 GPUs, and over 229 TB of memory across 500+ compute nodes.
• Compute resources are supported by approximately 5.0 petabytes of storage.
• All nodes run Red Hat Linux 9.
• Each standard GPU node hosts (4) Nvidia P100 GPU's, each containing 16GB of memory. 
• 2 of our GPU nodes host (2) V100 16GB cards.
• 1 of our GPU nodes host (4) V100 32GB cards. 
• 4 of our GPU nodes host (4) H100 GPUs each

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 TB	32	16-core Intel Skylake (2.1 GHz)	192 GB	2666 MT/s	7 Days	EDR
Large Memory	11	352	4 TB	32	16-core Intel Skylake (2.1 GHz)	384 GB	2666 MT/s	7 Days	EDR
Expansion Compute	85	4760	32 TB	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-P100	50	1,400	12.8 TB	28	14-core Intel Broadwell (2.4 GHz)	256 GB	2400 MT/s	7 Days	EDR	4

 GPU-H100   4               2,048     6 TB     128              AMD EPYC 955 (3.1 GHz)     1.5TB            4800    MT/s 7 Days    EDR              4