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The smp partiton is the default and is for jobs with cores.which require less or equal than 128 cores. By default each core is attributed 256GB/128core = 2GB/core. Jobs in this partition might share a node.
Nodes in the mpp partition are exclusively reserved, and hence the entire memory is available for the job. This partition is used when one ore more nodes are needed.
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Similarly, the GPU nodes can be accessed via the gpu partition. Note, that the type and number of GPUs need to be specified.
More infos about the hardware specification of each node can be found in the System Overview (TODO: Link).
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