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    <p>Something I'm not understanding. You want to run on 2 nodes, but
      you don't seem to be using a batch queue system... so how does MPI
      know which two nodes to use? Does this machine have slurm
      installed?<br>
    </p>
    <p>--Steve<br>
    </p>
    <div class="moz-cite-prefix">On 8/12/2021 12:28 AM, Shamim Haque
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAHrQTHWB6WZuorNa1maPiM_z3qwOcT2f8jSFZcTTKB+QzYHTGg@mail.gmail.com">
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        <div class="gmail_default" style="color:#000000">Hi Steven,</div>
        <div class="gmail_default" style="color:#000000"><br>
        </div>
        <div class="gmail_default" style="color:#000000">I used the
          generic Submitscript, no change in that. The Runscript is as
          follows:</div>
        <div class="gmail_default" style="color:#000000"><br>
        </div>
        <div class="gmail_default" style=""><i style=""><font
              color="#a64d79">echo "Preparing:"<br>
              set -x                          # Output commands<br>
              set -e                          # Abort on errors<br>
              cd @RUNDIR@-active<br>
              echo "Checking:"<br>
              pwd<br>
              hostname<br>
              date<br>
              echo "Environment:"<br>
              module load /home2/mallick/ET/Cactus/openmpi-x86_64<br>
              export CACTUS_NUM_PROCS=@NUM_PROCS@<br>
              export CACTUS_NUM_THREADS=@NUM_THREADS@<br>
              export GMON_OUT_PREFIX=gmon.out<br>
              export OMP_NUM_THREADS=@NUM_THREADS@<br>
              env | sort &gt; SIMFACTORY/ENVIRONMENT<br>
              echo "Starting:"<br>
              export CACTUS_STARTTIME=$(date +%s)<br>
              mpirun -np @NUM_PROCS@ @EXECUTABLE@ -L 3 @PARFILE@<br>
            </font></i></div>
        <div class="gmail_default" style=""><i><font color="#a64d79">echo
              "Stopping:"<br>
              date<br>
              echo "Done."<br>
            </font></i></div>
        <div>
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            data-smartmail="gmail_signature">
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              <div>
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                  <div>
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                      <div>
                        <div dir="ltr"><font color="#666666"><br>
                          </font></div>
                        <div><span class="gmail_default"
                            style="color:rgb(0,0,0)">I have attached
                            these files here as well. All the
                            output/error files are attached in my
                            previous mail. </span></div>
                        <div><font color="#666666"><span
                              class="gmail_default"
                              style="color:rgb(0,0,0)"><br>
                            </span></font></div>
                        <div><font color="#666666"><span
                              class="gmail_default"
                              style="color:rgb(0,0,0)">Regards</span></font></div>
                        <div dir="ltr"><font color="#666666">Shamim
                            Haque</font></div>
                        <div dir="ltr"><font color="#666666">Junior
                            Research Fellow (JRF)<br>
                          </font>
                          <div><font color="#666666">Department of
                              Physics</font></div>
                          <div><font color="#666666">IISER Bhopal</font></div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
        <br>
      </div>
      <div hspace="streak-pt-mark" style="max-height:1px"><img alt=""
          style="width:0px;max-height:0px;overflow:hidden"
src="https://mailfoogae.appspot.com/t?sender=ac2hhbWltc0BpaXNlcmIuYWMuaW4%3D&amp;type=zerocontent&amp;guid=1bfbface-450a-422e-bbc9-02ec895c8f53"
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      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">On Thu, Aug 12, 2021 at 12:48
          AM Steven R. Brandt &lt;<a href="mailto:sbrandt@cct.lsu.edu"
            moz-do-not-send="true">sbrandt@cct.lsu.edu</a>&gt; wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <p>What SubmitScript and RunScript are you using? Can you
              show us? Thanks.</p>
            <p>--Steve<br>
            </p>
            <div>On 8/10/2021 2:35 AM, Shamim Haque wrote:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">
                <div class="gmail_default" style="color:rgb(0,0,0)">Hello,</div>
                <div class="gmail_default" style="color:rgb(0,0,0)"><br>
                </div>
                <div class="gmail_default" style="color:rgb(0,0,0)">I am
                  trying to run the BNS simulation on the cluster at
                  IISER Bhopal. Upon using 2 nodes (16x2 cores) my
                  simulation stalled at this message:</div>
                <div class="gmail_default" style="color:rgb(0,0,0)"> </div>
                <div class="gmail_default"><i><font color="#a64d79">The
                      environment variable CACTUS_NUM_PROCS is set to
                      32, but there are 1 MPI processes. This may
                      indicate a severe problem with the MPI startup
                      mechanism.</font></i></div>
                <i><font color="#a64d79">APPLICATION TERMINATED WITH THE
                    EXIT STRING: Aborted (signal 6)</font><br>
                </i>
                <div class="gmail_default" style="color:rgb(0,0,0)"><br>
                </div>
                <div class="gmail_default" style="color:rgb(0,0,0)">The
                  command fed into the simfactory via jobscript is as
                  follows:</div>
                <div class="gmail_default" style="color:rgb(0,0,0)"><br>
                </div>
                <div class="gmail_default"><font color="#a64d79"><i>time
                      mpirun /home2/mallick/ET/Cactus/simfactory/bin/sim
                      create-submit nsns30
                      --basedir=/home2/mallick/simulations --procs=32
                      --ppn=16 --num-threads=1 --num-smt=1 --ppn-used=16
                      --parfile
                      /home2/mallick/ET/Cactus/parfile/nsns_vlr_mass_diff.par
                      --walltime=24:00:00</i></font><i><b><font
                        color="#a64d79"><br>
                      </font></b></i></div>
                <div class="gmail_default" style="color:rgb(0,0,0)"><br>
                </div>
                <div class="gmail_default" style="color:rgb(0,0,0)">I
                  could not figure out the issue. I am also struggling
                  with setting up the machine scripts as per the
                  cluster, so I am not sure if that is somehow hampering
                  the simulation.</div>
                <div class="gmail_default" style="color:rgb(0,0,0)"><br>
                </div>
                <div class="gmail_default" style="color:rgb(0,0,0)">Thanks
                  in advance for helping me with this issue. I have
                  attached the concerned scripts and outputs for
                  reference.</div>
                <div class="gmail_default"><br>
                </div>
                <div class="gmail_default">Regards</div>
                <div>
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                          <div>
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                              <div>
                                <div dir="ltr"><font color="#666666">Shamim
                                    Haque</font></div>
                                <div dir="ltr"><font color="#666666">Junior
                                    Research Fellow (JRF)<br>
                                  </font>
                                  <div><font color="#666666">Department
                                      of Physics</font></div>
                                  <div><font color="#666666">IISER
                                      Bhopal</font></div>
                                </div>
                              </div>
                            </div>
                          </div>
                        </div>
                      </div>
                    </div>
                  </div>
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                  alt="" style="width: 0px; max-height: 0px; overflow:
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