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==== Large parallel job, not a multiple of | ==== Large parallel job, not a multiple of whole nodes ==== | ||
Not every application runs with maximum efficiency on a multiple of 32 cores. Choosing the number of cores to request, and whether or not to request whole nodes, may be a trade-off between ''running'' time (or efficient use of the computer) and ''waiting'' time (or efficient use of your time). If you want help evaluating these factors, please contact [[Technical support]]. | Not every application runs with maximum efficiency on a multiple of 32 (or 40, or 48) cores. Choosing the number of cores to request, and whether or not to request whole nodes, may be a trade-off between ''running'' time (or efficient use of the computer) and ''waiting'' time (or efficient use of your time). If you want help evaluating these factors, please contact [[Technical support]]. |