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For informations about data transfer from other computers please follow the instructions and caveats on the dedicated section Data storage, or the document Data Management.
Accounting
For accounting information please consult our dedicated section.
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Since a physical core (8 HTs) is assigned to one task, a maximum of 16 tasks per node can be asked (--ntasks-per-node), corresponding (as mentioned) to receive 8 logical cpus per task. The use of --cpus-per-task is hence discouraged as a sbatch directive, potentially leading to uncorrect incorrect allocation.
For instance:
#SBATCH -N 1
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will result in having 32 logical cpus for the job cpuset, for instance 0-15, 64-79. Slurm automatically assign assigns the cpuset most appropriate to access the (2-per-socket) GPUs
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If you have an hybrid MPI/OpenMP application, ask for a number of tasks so to obtain a number of logical cores equale equal to the product of the number of MPI processes * the number of OMP threads per task. For instance, for 4 MPI processes and 16 OMP threads per task, you need 64 logical cores, hence 8 physical cores:
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