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Polaris, one of the N8 HPCs, is an SGI HPC cluster with a total of 332 compute nodes.
CMS have installed several UM versions on Polaris. The central UM directory is /home/polaris_lds1/earhum. FCM (code management system), gcom (UM communications software), and the UM versions 6.6.3, 7.3 and 8.4 are held in this directory. Other versions of the UM and related software will also be installed here as required.
Details of how to setup and run each UM version on Polaris can be found below: