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| Developer(s) | SchedMD |
|---|---|
| Stable release | |
| Repository | |
| Written in | C |
| Operating system | Linux, BSDs |
| Type | Job Scheduler for Clusters and Supercomputers |
| License | GNU General Public License |
| Website | slurm |
The Slurm Workload Manager, formerly known as Simple Linux Utility for Resource Management (SLURM), or simply Slurm, is a free and open-source job scheduler for Linux and Unix-like kernels, used by many of the world's supercomputers and computer clusters.
It provides three key functions:
- allocating exclusive and/or non-exclusive access to resources (computer nodes) to users for some duration of time so they can perform work,
- providing a framework for starting, executing, and monitoring work, typically a parallel job such as Message Passing Interface (MPI) on a set of allocated nodes, and
- arbitrating contention for resources by managing a queue of pending jobs.
Slurm is the workload manager on about 60% of the TOP500 supercomputers.[1]
Slurm uses a best fit algorithm based on Hilbert curve scheduling or fat tree network topology in order to optimize locality of task assignments on parallel computers.[2]
- ^ "Running a Job on HPC using Slurm | HPC | USC". hpcc.usc.edu. Archived from the original on 2019-03-06. Retrieved 2019-03-05.
- ^ Pascual, Jose Antonio; Navaridas, Javier; Miguel-Alonso, Jose (2009). Effects of Topology-Aware Allocation Policies on Scheduling Performance. Job Scheduling Strategies for Parallel Processing. Lecture Notes in Computer Science. Vol. 5798. pp. 138–144. doi:10.1007/978-3-642-04633-9_8. ISBN 978-3-642-04632-2.