<p>Dear CP2K developers and users,</p>
<p>I am running CP2K for a water system containing approximately 2,600 molecules.<br />
With CP2K version 7, I was able to save around 50 steps in a 12-hour run. However, after switching to a newer version, I now obtain data for only 2 steps in the same 12-hour period. Furthermore, when using the DFT-D4 correction, I can only obtain 1 step per 12 hours.</p>
<p>Could you please help me understand and resolve this performance issue?<br />
I have attached my SBATCH script and input file for more details, in case they are useful.</p>
<p>Thank you in advance for your support.</p>
<p>Best regards,</p>my SBATCH script is as follows<br /><br />
<p>#!/bin/bash</p>
<p>#SBATCH --job-name=cp2k</p><p>#SBATCH --ntasks=64</p>
<p>#SBATCH --mem=300G</p>
<p>#SBATCH --nodes=4</p>
<p>#SBATCH --time=12:00:00</p>
<p>#SBATCH --error=cp2k_job.err</p>
<p>module load intel/</p>
<p>module load impi/2021.14</p>
<p>module load cp2k/2025.1</p>
<p>export <b>OMP_NUM_THREADS</b>=1</p>
<p>ulimit -s unlimited</p>
<p>mpirunĀ cp2k.psmp -i PBE_water.inp -o out_put.out</p>
<p></p>
-- <br />
You received this message because you are subscribed to the Google Groups "cp2k" group.<br />
To unsubscribe from this group and stop receiving emails from it, send an email to <a href="mailto:cp2k+unsubscribe@googlegroups.com">cp2k+unsubscribe@googlegroups.com</a>.<br />
To view this discussion visit <a href="https://groups.google.com/d/msgid/cp2k/42185194-bb4f-4c3d-9bdc-6bfde1149b7dn%40googlegroups.com?utm_medium=email&utm_source=footer">https://groups.google.com/d/msgid/cp2k/42185194-bb4f-4c3d-9bdc-6bfde1149b7dn%40googlegroups.com</a>.<br />