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    Have you tried ssh to MIC and check mpiexec.hydra again ? It might
    be different files just using the same path.<br>
    <br>
    Min<br>
     <br>
    <div class="moz-cite-prefix">(14-5-23 15:48), Yida Wang wrote:<br>
    </div>
    <blockquote
cite="mid:CA+5zHjwGqE5twa6nWdUuFJSTam8Vv-idyRrmhh2hAOF+zmbiQQ@mail.gmail.com"
      type="cite">
      <div dir="ltr">I don't know how Intel guys implement this. But I
        think the mpiexec.hydra file they provide is a regular Linux
        executable file. "file" it returns "mpiexec.hydra: ELF 64-bit
        LSB executable, x86-64, version 1 (SYSV), dynamically linked
        (uses shared libs), for GNU/Linux 2.6.9, not stripped".
        <div>
          <br>
        </div>
        <div>One need to make sure mpiexec.hydra and pmi_proxy are
          accessible to MICs before launching processes on MICs from
          host.</div>
      </div>
      <div class="gmail_extra"><br>
        <br>
        <div class="gmail_quote">On Fri, May 23, 2014 at 4:43 PM, Reuti
          <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:reuti@staff.uni-marburg.de" target="_blank">reuti@staff.uni-marburg.de</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div style="word-wrap:break-word">
              <div>
                <div>Am 23.05.2014 um 22:38 schrieb Yida Wang:</div>
                <div class=""><br>
                  <blockquote type="cite">
                    <div dir="ltr">Thank you! That works, but is not
                      very convenient. Can I know why you guys don't
                      configure mpich to behave as the same as
                      Intel-MPI? Basically, using Intel-MPI, one can use
                      the same mpiexec.hydra on both host and Xeon Phi.</div>
                  </blockquote>
                  <div><br>
                  </div>
                </div>
                <div>I don't have Intel-MPI, but is it really a binary
                  or a wrapper to two different versions? What does
                  `file mpiexec.hydra` show?</div>
                <span class="HOEnZb"><font color="#888888">
                    <div>
                      <br>
                    </div>
                    <div>-- Reuti</div>
                  </font></span>
                <div>
                  <div class="h5">
                    <div><br>
                    </div>
                    <br>
                    <blockquote type="cite">
                      <div class="gmail_extra">
                        <div class="gmail_quote">On Fri, May 23, 2014 at
                          1:18 PM, "Antonio J. Peña" <span dir="ltr"><<a
                              moz-do-not-send="true"
                              href="mailto:apenya@mcs.anl.gov"
                              target="_blank">apenya@mcs.anl.gov</a>></span>
                          wrote:<br>
                          <blockquote class="gmail_quote"
                            style="margin:0 0 0 .8ex;border-left:1px
                            #ccc solid;padding-left:1ex">
                            <div bgcolor="#FFFFFF" text="#000000">
                              <div><br>
                                For that, you have to deploy two
                                installations of MPICH: one compiled for
                                the host, and the other for the MIC. To
                                make things easy, place them under the
                                same path in both hosts - one that is
                                not shared.<br>
                                <br>
                                  Antonio
                                <div>
                                  <div><br>
                                    <br>
                                    <br>
                                    On 05/22/2014 04:28 PM, Yida Wang
                                    wrote:<br>
                                  </div>
                                </div>
                              </div>
                              <blockquote type="cite">
                                <div>
                                  <div>
                                    <div dir="ltr">Hi Guys,
                                      <div><br>
                                      </div>
                                      <div>Can MPICH be configured to
                                        support launching processes on
                                        Intel-MIC from the host? I know
                                        that there's a way to compile
                                        MPICH to be running on Intel-MIC
                                        only, but how about running
                                        heterogeneously on both host and
                                        Intel-MIC together?</div>
                                      <div><br>
                                      </div>
                                      <div>My compiled version returned
                                        "hydra_pmi_proxy: cannot execute
                                        binary file" and got stuck when
                                        I tried to launch processes on
                                        Intel-MIC.</div>
                                      <div><br>
                                      </div>
                                      <div>Thanks,</div>
                                      <div>YW</div>
                                    </div>
                                    <br>
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                                <span><font color="#888888"> </font></span></blockquote>
                              <span><font color="#888888"> <br>
                                  <br>
                                  <pre cols="72">-- 
Antonio J. Peña
Postdoctoral Appointee
Mathematics and Computer Science Division
Argonne National Laboratory
9700 South Cass Avenue, Bldg. 240, Of. 3148
Argonne, IL 60439-4847
<a moz-do-not-send="true" href="mailto:apenya@mcs.anl.gov" target="_blank">apenya@mcs.anl.gov</a>
<a moz-do-not-send="true" href="http://www.mcs.anl.gov/%7Eapenya" target="_blank">www.mcs.anl.gov/~apenya</a></pre>
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