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For GALILEO100, every GPU will be treated as 24 cores in terms of accounting. That is because GPU nodes have 48 CPUs and 2 GPU each. So allocating 1 GPU is equivalent to allocating half of the node (i.e. 24 CPUs). For MARCONI100 which has 32 CPUs and 4 GPU each, the rule holds similarly.
Some examples based on GALILEO100 (1 node):
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