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Using the computing cluster of the ICM
Your desktop station can run most classical analyses with MEG-EEG data, from preprocessing, to source reconstruction, connectivity etc. However, you will soon hit the limits of your individual desktop if you start running a LOT of computations. Luckily, the ICM is equipped with a cluster of computing nodes that are reserved for this purpose.
You may be able to use several hundreds computers simultaneously. Also, some of these computers have much larger amounts of memory than your desktop.
The scheduler used at ICM is called SLURM. You can ask chatGPT for help.
The procedure to use the cluster is explained in this documentation:
Create a script
#!/bin/bash
#SBATCH --mem=8G
#SBATCH --partition=medium
#SBATCH --time=1:00:00
#SBATCH --nodes=8
#SBATCH --job-name=Pom-pidom
#SBATCH --output=/network/iss/cenir/analyse/meeg/CARACAS/Test_Max/ds003690/derivatives/CardiClassif_30comp/logs/log-%a
#SBATCH --error=/network/iss/cenir/analyse/meeg/CARACAS/Test_Max/ds003690/derivatives/CardiClassif_30comp/logs/err/err-%a
#SBATCH --array=1-30
echo started on $HOSTNAME
date
module load matlab
tic="date +%s"
cmd=$( printf "script_02_ds003690_precomp(%d)" ${SLURM_ARRAY_TASK_ID})
freesurfer -sub $
matlab -nodesktop -nodisplay -nosoftwareopengl -r "cd /network/iss/cenir/analyse/meeg/CARACAS/Test_Max/code; $cmd;exit;"
let toc="date +%s"
let sec="$toc - $tic"
let heu="$sec / 3600"
let min="($sec - $heu * 3600) / 60"
echo Elapsed time: $heu H : $min minLog on the cluster and launch your script
ssh sphpc-login02
sbatch /your_script_aboveCheck that everything runs…
squeue
squeue -u your_usernamewill list all jobs
scancel #jobid
scancel -u your_username