Update Slurm

Slurm.md

@@ -70,13 +70,32 @@ sleep 1m
 Some important options: 
 
 ```
-#SBATCH --mem=<size[units]>
-#SBATCH --mem-per-cpu=<size[units]>
-#SBATCH --cpus-per-task=<ncpus>
-#SBATCH --gpus=[<type>:]<number>
-#SBATCH --contraint=<Feature>
+#SBATCH --mem=<size[units]>             : memory 
+#SBATCH --mem-per-cpu=<size[units]>     : memory per CPU
+#SBATCH --cpus-per-task=<ncpus>         : cpus per task
+#SBATCH --gpus=[<type>:]<number>        : GPUs 
+#SBATCH --contraint=<Feature>           : specific type of GPU 
+```
+
+Example from Relion: 
+
+```
+#SBATCH --job-name=r401profile-4gpu
+#SBATCH --partition=gpu
+#SBATCH --clusters=gmerlin6
+#SBATCH --gpus=4
+#SBATCH --nodes=1
+#SBATCH --mem-per-gpu 25600
+#SBATCH --ntasks=5
+#SBATCH --cpus-per-task=4
+#SBATCH --error=Refine3D/job038/run.err
+#SBATCH --output=Refine3D/job038/run.out
+#SBATCH --open-mode=append
+#SBATCH --time=1-00:00:00
 ```
 
 ### Cancelling jobs
 
 `scancel <jobid> --cluser=<cluster_name>`
+
+