seleniumloadtest20.sbatch

#!/bin/bash
#SBATCH --job-name=selenium-test          # Job name
#SBATCH --partition=belleman              # Partition name
#SBATCH --account=belleman                # Account name
#SBATCH --nodes=3                         # Number of nodes
#SBATCH --ntasks-per-node=7               # Limit number of tasks per node
#SBATCH --ntasks=20                       # Number of tasks
#SBATCH --mem=8G                          # Memory per node
#SBATCH --gres=gpu:titan_rtx:1            # GPU resource allocation
#SBATCH --output=selenium_test_%j.log     # Standard output log
#SBATCH --error=selenium_test_%j.err      # Standard error log
#SBATCH --distribution=cyclic             # Even task distribution across nodes

# Run tasks in parallel, each with its own Xvfb instance
srun bash -c "
    RANDOM_DISPLAY=\$((RANDOM + 1000))
    DISPLAY=:\$RANDOM_DISPLAY Xvfb :\$RANDOM_DISPLAY -screen 0 1920x1080x24 &
    XVFB_PID=\$!
    echo \"Started Xvfb on DISPLAY :\$RANDOM_DISPLAY with PID \$XVFB_PID\"
    export DISPLAY=:\$RANDOM_DISPLAY
    python seleniumloadtest.py
    kill \$XVFB_PID
"