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Longwood is the newest High-Performance Compute Cluster at HMS. It is located at the Massachusetts Green High Performance Computing Center.

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This provides a heterogeneous environment with both Intel (DGX) and ARM (Grace Hopper) architectures. Module management is supported through LMOD, allowing easy loading of software suites like the NVIDIA NeMo deep learning toolkit and more.

How to connect

Note

The cluster is currently only accessible via secure shell (ssh) command line from the HMS network:

  • HMS wired LAN

  • HMS Secure wireless network

  • HMS VPN

Two-factor authentication (DUO) is not required for logins because all connections must originate from an HMS network. Currently, the login server hostname is: login.dgx.rc.hms.harvard.edu

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Info

At this time it is possible to submit a job to either gpu_dgx or gpu_grace without using the flag --gres=gpu: to run a CPU-only job

Email List: longwood-cluster-announce

Everyone with a Longwood account gets automatically subscribed to the HMS email list longwood-cluster-announce@hms.harvard.edu , which is used by HMS IT to communicate Longwood cluster related information regarding service outages and other notifications. Subscription to this list is compulsory, and please note that cluster users cannot send messages to this list. Any questions related to Longwood should be sent to: rchelp@hms.harvard.edu

Questions?

Contact Research Computing for support with software and tools - rchelp@hms.harvard.edu

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