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Advanced MPI scheduling: Difference between revisions
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If you need more memory per node than the smallest node provides (e.g. more than 125 GiB at Graham) then you should not use <code>--mem=0</code>, but request the amount explicitly. Furthermore, some memory on each node is reserved for the operating system. To find the largest amount your job can request and still qualify for a given node type, | If you need more memory per node than the smallest node provides (e.g. more than 125 GiB at Graham) then you should not use <code>--mem=0</code>, but request the amount explicitly. Furthermore, some memory on each node is reserved for the operating system. To find the largest amount your job can request and still qualify for a given node type, see the <i>Available memory</i> column of the <i>Node characteristics</i> table for each cluster. | ||
* [[Béluga/en#Node_characteristics|Béluga node characteristics]] | * [[Béluga/en#Node_characteristics|Béluga node characteristics]] | ||
* [[Cedar#Node_characteristics|Cedar node characteristics]] | * [[Cedar#Node_characteristics|Cedar node characteristics]] | ||