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<p class="MsoNormal">Dear Vijeta,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Based on QE error convention codes in mp_world.f90, I think this error is CUDA_ERROR_UNSUPPORTED_PTX_VERSION. It can come from an outdated driver, or not passing the right flags to NVCC ("-arch sm_70") or PGI (“-gpu=cc70”). Are you sure
that your build really runs with 1 GPU ? In that case, it might be that the 2 GPUs have a different architecture (then use something like “-gpu=cc70,cc80” to specify multiple archs).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Best,<o:p></o:p></p>
<p class="MsoNormal">Louis<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> users <users-bounces@lists.quantum-espresso.org>
<b>On Behalf Of </b>Vijeta Sharma<br>
<b>Sent:</b> Monday, January 2, 2023 1:05 PM<br>
<b>To:</b> users@lists.quantum-espresso.org<br>
<b>Subject:</b> [QE-users] QE Multi-GPU mpirun run command<o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">External email: Use caution opening links or attachments</span></b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Dear QE researchers, <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">I am running QE-GPU with the following command for 2 GPU (1 process each GPU):
<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><em><span style="font-size:10.0pt;font-family:"Calibri",sans-serif">mpirun -np 2 pw.x -inp data.in </span></em>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">But it is giving error of <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p>*** error in Message Passing (mp) module ***<br>
*** error code: 9422<br>
*** error in Message Passing (mp) module ***<br>
*** error code: 9422<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">Can anyone provide me the correct mpirun command to run QE on multi-GPU ?
<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">--------------------- <br>
Regards, <br>
Vijeta Sharma <o:p></o:p></p>
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<p class="MsoNormal">Pune, India <br>
<o:p></o:p></p>
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