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SLURM-GPU's

From ALICE Documentation

Revision as of 07:33, 2 September 2020 by Schulzrf (talk | contribs) (GPU's)

GPU's

Some programs can take advantage of the unique hardware architecture in a graphics processing unit (GPU). You have to check your documentation for compatibility. Not all nodes on the ALICE cluster are equipped with GPUs (see the hardware description).

To request a node with GPUs, choose one of the gpu partitions and add one of the following lines to your script:

--gres=gpu:<number>

or

--gres=gpu:<GPU_type>:<number>

where:

  • <number> is the number of GPUs per node requested.
  • <GPU_type> is one of the following: 2080ti

// We strongly recommend that you always specify how many GPUs you will need for your job. This way, slurm can schedule other jobs on the node which will use the remaining GPUs.

Just like for using CPUs, you can specify the memory that you need on the GPU with

 --mem-per-gpu=<number>