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marylou4 is a Dell 1955 Linux cluster. There are 630 nodes, each with two Intel 2.6GHz Xeon EM64T dual-core processors and 8 GB of fully-buffered RAM. 210 of the nodes are connected with an Infiniband switch for MPI performance, as well as standard Ethernet. All 630 nodes are connected with Gigabit Ethernet.
