![]() When you connect to the login nodes, you are sharing their resources (CPU cycles, memory, disk space, network bandwidth, etc.) with a few dozen other researchers. You can see the overall structure in the diagram below.Īn important point about the diagram above is that OSC clusters are a collection of shared, finite resources. Once the resources it requires become available, the batch scheduler will then run your job on a subset of our hundreds of “compute nodes”. Your job will then wait in a queue along with other researchers' jobs. These nodes serve as a staging area for you to marshal your data and submit jobs to the batch scheduler. When you login you’ll be connected to one of the system’s “login nodes”. Using HPC is a little different from running programs on your desktop.
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