We maintain 5 clusters, with roughly 29,000 cores total. Please click on cluster names for more information. To download a Word document that describes our facilities, equipment, and other resources for HPC and research computing, click here.

Cluster Name Approx. Core Count Login Address Monitor Dashboard Purpose
Grace 11,000 general
Farnam 6,300 medical/life science
Omega 6,500 highly parallel, tightly coupled
Ruddle 3,600 Yale Center for Genome Analysis
Milgram 1,600 n/a Psychology dept. HIPAA cluster


We maintain several high performance storage systems which amount to about 9 PB total. Listed below are the shared filesystems and the clusters where they are available. We distinguish where clusters store their home directories with an asterisk. Using /home will always refer to the home directory of the cluster you are on.

Filesystem Size Mounting Clusters
/gpfs/loomis 2.6 PB Grace*, Omega*, Farnam
/gpfs/ysm 1.5 PB Grace, Omega, Farnam*
/gpfs/slayman 1.0 PB Grace, Omega, Farnam
/gpfs/ycga 2.0 PB Ruddle*
/ycga-ba 1.1 PB Ruddle
/gpfs/milgram 1.1 PB Milgram*