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IT Services : High Performance Computing

Allocations


Introduction

An allocation is a set of resources that are allocated to you, created via salloc into which you can submit jobs with sbatch and any other command that creates a job.

The advantage of using allocations is that if you wish to run jobs that do not use a whole node (e.g. serial jobs or MPI or OpenMP jobs that do not scale to 12 or 20 cores) then you can create an allocation then submit jobs into this. How to do this in detail for MPI or OpenMP or serial jobs is covered in the sections on these types of jobs (See MPI and OpenMP ).

It is also very useful in conjunction with Visualisation .