<div dir="ltr">CPK7 is so old.Why not try the latest version?<div><br></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">Somayeh Ahmadkhani <<a href="mailto:so.ahmadkhani@gmail.com">so.ahmadkhani@gmail.com</a>> 于2025年8月12日周二 15:23写道:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><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>mpirun cp2k.psmp -i PBE_water.inp -o out_put.out</p>
<p></p>
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</blockquote></div>
<p></p>
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