<font face="Sans Serif" size="3">I am trying to run CP2K on a linux cluster with GPU support. I have successfully complied the code with CUDA support. But the utilization of GPU is zero, even though the program is running , meaning that the code is running on cpu cores.</font><div><font face="Sans Serif" size="3"><br /></font></div><div><font face="Sans Serif" size="3">This is the script that I am using to run cp2k </font></div><div><p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures;">#!/bin/bash</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures;">#SBATCH --job-name=LiCl ### Job Name</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures;">#SBATCH --output=cp2k.out ### File in which to store job output</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures;">#SBATCH --error=cp2k.err ### File in which to store job error messages</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures;">#SBATCH --time=3-00:00:00 ### Wall clock time limit in Days-HH:MM:SS </span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures;">#SBATCH --ntasks=64</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures;">#SBATCH --gres=gpu:1</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures;">#SBATCH --cpus-per-task=1</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0); min-height: 13px;"><span style="font-variant-ligatures: no-common-ligatures;"></span><br /></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures;">module load gcc cuda/</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">11</span><span style="font-variant-ligatures: no-common-ligatures;">.</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">8</span><span style="font-variant-ligatures: no-common-ligatures;">.</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">0</span><span style="font-variant-ligatures: no-common-ligatures;"> openmpi/</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">4</span><span style="font-variant-ligatures: no-common-ligatures;">.</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">1</span><span style="font-variant-ligatures: no-common-ligatures;">.6-gpu intel-oneapi-mkl/</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">2022</span><span style="font-variant-ligatures: no-common-ligatures;">.</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">0</span><span style="font-variant-ligatures: no-common-ligatures;">.</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">2</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0); min-height: 13px;"><span style="font-variant-ligatures: no-common-ligatures;"></span><br /></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures; color: rgb(235, 239, 24);">source</span><span style="font-variant-ligatures: no-common-ligatures;"> /cp2k_plumed_gpu/cp2k-2024.</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">1</span><span style="font-variant-ligatures: no-common-ligatures;">/tools/toolchain/install/setup</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0); min-height: 13px;"><span style="font-variant-ligatures: no-common-ligatures;"></span><br /></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(50, 244, 241);"><span style="font-variant-ligatures: no-common-ligatures; color: rgb(235, 239, 24);">export</span><span style="font-variant-ligatures: no-common-ligatures;"><b> OMP_NUM_THREADS=</b></span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(99, 226, 255);">$SLURM_NTASKS</span></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0); min-height: 13px;"><span style="font-variant-ligatures: no-common-ligatures;"></span><br /></p>
<p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures;">/cp2k_plumed_gpu/cp2k-2024.</span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(251, 30, 255);">1</span><span style="font-variant-ligatures: no-common-ligatures;">/exe/local_cuda/cp2k.psmp </span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(254, 215, 216);">-i</span><span style="font-variant-ligatures: no-common-ligatures;"> colvars.inp </span><span style="font-variant-ligatures: no-common-ligatures; color: rgb(254, 215, 216);">-o</span><span style="font-variant-ligatures: no-common-ligatures;"> colvars.out</span></p><p style="margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures;"><br /></span></p></div><div><font face="Sans Serif" size="3">Are there any additional flags that I need to use to run the code on GPUs?</font></div>
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