<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="Generator" content="Microsoft Word 15 (filtered medium)">
<style><!--
/* Font Definitions */
@font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0cm;
        font-size:10.0pt;
        font-family:"Calibri",sans-serif;}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:blue;
        text-decoration:underline;}
span.EmailStyle19
        {mso-style-type:personal-reply;
        font-family:"Calibri",sans-serif;
        color:windowtext;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-size:10.0pt;
        mso-ligatures:none;}
@page WordSection1
        {size:612.0pt 792.0pt;
        margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
        {page:WordSection1;}
/* List Definitions */
@list l0
        {mso-list-id:176038402;
        mso-list-type:hybrid;
        mso-list-template-ids:-1902202158 1056364414 134807555 134807557 134807553 134807555 134807557 134807553 134807555 134807557;}
@list l0:level1
        {mso-level-start-at:0;
        mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;
        mso-fareast-font-family:Calibri;
        mso-bidi-font-family:"Times New Roman";}
@list l0:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l0:level3
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l0:level4
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l0:level5
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l0:level6
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
@list l0:level7
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Symbol;}
@list l0:level8
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:"Courier New";}
@list l0:level9
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-18.0pt;
        font-family:Wingdings;}
ol
        {margin-bottom:0cm;}
ul
        {margin-bottom:0cm;}
--></style>
</head>
<body lang="en-CH" link="blue" vlink="purple" style="word-wrap:break-word">
<div class="WordSection1">
<p class="MsoNormal"><span lang="DE-CH" style="font-size:11.0pt;mso-fareast-language:EN-US">Hi Ava<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE-CH" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">Thanks for testing. Indeed, the .sif file does not seem to work with the host MPI properly. These .sif files were directly built with apptainer. This was a test and
 we will not provide such containers in the future any longer. Instead, I suggest the download of a cp2k production docker container. Could you test such a docker container with apptainer? You can download it with the command  <o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">apptainer pull docker://mkrack/cp2k:2023.2_mpich_generic_psmp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">or<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">apptainer pull docker://mkrack/cp2k:2023.2_openmpi_generic_psmp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">depending on your host MPI version.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">A list of the available docker containers can be found
<a href="https://hub.docker.com/repository/docker/mkrack/cp2k/tags?page=1&ordering=last_updated">
here</a>.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">Best<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US">Matthias<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<div id="mail-editor-reference-message-container">
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:12.0pt;margin-left:36.0pt">
<b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">cp2k@googlegroups.com <cp2k@googlegroups.com> on behalf of Ava Rajh <ava.rajh@gmail.com><br>
<b>Date: </b>Thursday, 19 October 2023 at 12:17<br>
<b>To: </b>cp2k <cp2k@googlegroups.com><br>
<b>Subject: </b>Re: [CP2K:19391] Help with running cp2k in parallel with Slurm<o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Sorry for the confusion, I read the output wrong,
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">and if I put the ntasks in the header of the batch file I get the same result as running just with srun, so the number of tasks determines the number of programs running with one
 MPI rank each. <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">On Thursday, October 19, 2023 at 10:20:39 AM UTC+2 Ava Rajh wrote:<o:p></o:p></span></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm">
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Hi Matthias,
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Thank you for the reply<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">I tried both, first just with the srun command and as part of the #SBATCH file.
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">If I run the "srun" command and specify the number of tasks I get the before mentioned multiple copies of the same program with 1 MPI rank each. The same happens if I run the command
 outside the container without the srun and specify the number of tasks with just: mpiexec -n 4
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">and if I put the ntasks in the header of the batch file, then I just get one copy of the program with 1 MPI rank, no matter how many -ntasks are defined.
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">Any idea about how to start my calculation would be very helpful, thank you.
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">kind regards, Ava<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">On Wednesday, October 18, 2023 at 7:21:22 PM UTC+2 Krack Matthias wrote:<o:p></o:p></span></p>
</div>
<blockquote style="border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm">
<div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="DE-CH" style="font-size:11.0pt">Hi Ava</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="DE-CH" style="font-size:11.0pt"> </span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="EN-US" style="font-size:11.0pt">Do you run the “srun” command as part of a SLURM batch job file with a #SBATCH header section or interactively?</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="EN-US" style="font-size:11.0pt">Your guess is right, the –ntasks flag defines the number of MPI ranks.</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="EN-US" style="font-size:11.0pt"> </span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="EN-US" style="font-size:11.0pt">Best</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="EN-US" style="font-size:11.0pt"> </span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="EN-US" style="font-size:11.0pt">Matthias</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt">
<span lang="EN-US" style="font-size:11.0pt"> </span><span style="font-size:11.0pt"><o:p></o:p></span></p>
</div>
</div>
<div>
<div>
<div>
<div>
<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt;margin-left:72.0pt">
<b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">cp...@googlegroups.com <cp...@googlegroups.com> on behalf of Ava Rajh <ava....@gmail.com><br>
<b>Date: </b>Wednesday, 18 October 2023 at 14:17<br>
<b>To: </b>cp2k <cp...@googlegroups.com><br>
<b>Subject: </b>[CP2K:19379] Help with running cp2k in parallel with Slurm</span><span style="font-size:11.0pt"><o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">Dear all, <br>
<br>
I am trying to run cp2k on our HPC cluster and I am new in doing any kind of parallel computing and work on a cluster, so I would appreciate if some help and I apologize if I am missing something obvious.
<o:p></o:p></span></p>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">I am trying to use Cp2k in combination with apptainer  and I followed instructions at
<a href="https://github.com/cp2k/cp2k/tree/master/tools/apptainer" target="_blank">
https://github.com/cp2k/cp2k/tree/master/tools/apptainer</a>  <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt"> <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">I have a .sif file in my work directory and if I work within it (Running MPI within the container), everything works perfectly and I can set the number of MPI threads.
<o:p></o:p></span></p>
</div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt"> <o:p></o:p></span></p>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">But when trying to run it through slurm, I can't seem to be able to set the number of MPI processes per node. If i start a command like:
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">srun --ntasks=2 apptainer run -B $PWD cp2k-2023.2_mpich_generic_psmp.sif cp2k -i H2O-32.in<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">it just starts 2 instances of the program that run at the same time, and for each, the total number of message passing processes is 1. I am able to set and change the number of OpenMP threads though.
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">So my question would be first, am I wrongly assuming that --ntasks X should correspond to the number of MPI threads? And if I am, how would I set it.
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt"> <o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">Please let me know if I need to provide any more information to diagnose the issue.
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">Thank you very much for the help and kind regards,
<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">Ava Rajh<o:p></o:p></span></p>
</div>
</div>
</div>
</div>
</div>
<div>
<div>
<div>
<div>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">
<span style="font-size:11.0pt">-- <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 cp2k+uns...@googlegroups.com.<br>
To view this discussion on the web visit <a href="https://groups.google.com/d/msgid/cp2k/2393b350-7de0-4599-97e0-4f52ffec0c5en%40googlegroups.com?utm_medium=email&utm_source=footer" target="_blank">
https://groups.google.com/d/msgid/cp2k/2393b350-7de0-4599-97e0-4f52ffec0c5en%40googlegroups.com</a>.<o:p></o:p></span></p>
</div>
</div>
</div>
</div>
</blockquote>
</div>
</blockquote>
</div>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:11.0pt">--
<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 on the web visit <a href="https://groups.google.com/d/msgid/cp2k/1a89bd22-860c-4922-a2b6-bd20232ca770n%40googlegroups.com?utm_medium=email&utm_source=footer">
https://groups.google.com/d/msgid/cp2k/1a89bd22-860c-4922-a2b6-bd20232ca770n%40googlegroups.com</a>.<o:p></o:p></span></p>
</div>
</div>
</div>
</body>
</html>

<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 on the web visit <a href="https://groups.google.com/d/msgid/cp2k/ZRAP278MB0827D6DA09823659200590A5F4D4A%40ZRAP278MB0827.CHEP278.PROD.OUTLOOK.COM?utm_medium=email&utm_source=footer">https://groups.google.com/d/msgid/cp2k/ZRAP278MB0827D6DA09823659200590A5F4D4A%40ZRAP278MB0827.CHEP278.PROD.OUTLOOK.COM</a>.<br />