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    <p>Sure, I attached it to this email.<br>
      <br>
      Best wishes,<br>
      <br>
      Lars<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 30/05/18 15:12, Azadi, Sam wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:4B00501C-C672-4C9A-B4A9-9B31F829D13C@ic.ac.uk">
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      Lars—
      <div class=""><br class="">
      </div>
      <div class="">Would you share your make.inc file for other users
        of QE on ARCHER?</div>
      <div class="">Best, Sam</div>
      <div class="">——</div>
      <div class="">Sam Azadi</div>
      <div class="">Imperial College London</div>
      <div class=""><br class="">
      </div>
      <div class="">
        <div>
          <blockquote type="cite" class="">
            <div class="">On 30 May 2018, at 14:49, Lars Blumenthal <<a
                href="mailto:lars.blumenthal11@imperial.ac.uk" class=""
                moz-do-not-send="true">lars.blumenthal11@imperial.ac.uk</a>>
              wrote:</div>
            <br class="Apple-interchange-newline">
            <div class="">
              <div text="#000000" bgcolor="#FFFFFF" class="">
                <p class="">This is for future reference: With Paolo's
                  help, I found out that I had to recompile QE.<br
                    class="">
                  At first I was running the pwscf v.6.1 that was
                  precompiled on ARCHER and in that case the
                  parallelisation over k-points didn't work when using
                  hybrid functionals.<br class="">
                  However, it does work with the pwscf version (also
                  v.6.1) I compiled myself.<br class="">
                  <br class="">
                  Many thanks to Paolo and best wishes,<br class="">
                  <br class="">
                  Lars<br class="">
                  <span class="">PhD Student <br class="">
                    EPSRC Centre for Doctoral Training on Theory and
                    Simulation of Materials <br class="">
                    Imperial College London </span></p>
                <br class="">
                <div class="moz-cite-prefix">On 30/05/18 12:36, Paolo
                  Giannozzi wrote:<br class="">
                </div>
                <blockquote type="cite"
cite="mid:CAPMgbCvZs9i=_VxKE91FtEu3oN0ktCzhs_MBuASxwwNUR3Gi3w@mail.gmail.com"
                  class="">
                  <div dir="ltr" class="">
                    <div class="">I made a quick test on a reduced
                      version of your job and found no problems, but the
                      original job requires a larger machine and I have
                      no time to work on it now.<br class="">
                      <br class="">
                    </div>
                    Paolo<br class="">
                  </div>
                  <div class="gmail_extra"><br class="">
                    <div class="gmail_quote">On Wed, May 30, 2018 at
                      11:58 AM, Lars Blumenthal <span dir="ltr"
                        class="">
                        <<a
                          href="mailto:lars.blumenthal11@imperial.ac.uk"
                          target="_blank" moz-do-not-send="true"
                          class="">lars.blumenthal11@imperial.ac.uk</a>></span>
                      wrote:<br class="">
                      <blockquote class="gmail_quote" style="margin:0 0
                        0 .8ex;border-left:1px #ccc
                        solid;padding-left:1ex">
                        <div text="#000000" bgcolor="#FFFFFF" class="">
                          <p class="">Does anyone have any
                            advice/feedback?<br class="">
                            <br class="">
                            Many thanks,<br class="">
                          </p>
                          <p class="">Lars<span class=""><br class="">
                              PhD Student <br class="">
                              EPSRC Centre for Doctoral Training on
                              Theory and Simulation of Materials <br
                                class="">
                              Imperial College London </span></p>
                          <div class="">
                            <div class="h5"><br class="">
                              <div
                                class="m_-5893252416424499142moz-cite-prefix">On
                                25/05/18 17:03, Lars Blumenthal wrote:<br
                                  class="">
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                          <blockquote type="cite" class="">
                            <div class="">
                              <div class="h5">Hi everyone, <br class="">
                                <br class="">
                                I am trying to do scf calculations using
                                the HSE functional with PWSCF v.6.1 (svn
                                rev. 13369).
                                <br class="">
                                <br class="">
                                When I don't use parallelisation over
                                k-points, i.e. when I don't specify
                                npools, the calculation runs
                                successfully.
                                <br class="">
                                However, as soon as I try to make use of
                                npools, the calculation crashes with: <br
                                  class="">
                                <br class="">
                                DPOTRF exited with INFO= 7 <br class="">
                                Error in routine DPOTRF (1): <br
                                  class="">
                                Cholesky failed in aceupdate. <br
                                  class="">
                                <br class="">
                                I have attached the corresponding output
                                file. Previously I have had the same
                                issue with another compound but in that
                                case npools = 2 actually did work and it
                                only crashed with the above error when
                                npools > 2. So it's not necessarily
                                that the parallelisation with npools
                                doesn't work at all. <br class="">
                                <br class="">
                                Not using the ACE algorithm makes the
                                calculation painfully slow so I'd like
                                to avoid that. Do you have any advice on
                                how to optimise the parallelisation of
                                hybrid DFT calculations in general?
                                <br class="">
                                <br class="">
                                Many thanks and best wishes, <br
                                  class="">
                                <br class="">
                                Lars Blumenthal <br class="">
                                PhD Student <br class="">
                                EPSRC Centre for Doctoral Training on
                                Theory and Simulation of Materials <br
                                  class="">
                                Imperial College London <br class="">
                                <br class="">
                                <br class="">
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                    <br class="">
                    -- <br class="">
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                      data-smartmail="gmail_signature">
                      <div dir="ltr" class="">
                        <div class="">
                          <div dir="ltr" class="">
                            <div class="">Paolo Giannozzi, Dip. Scienze
                              Matematiche Informatiche e Fisiche,<br
                                class="">
                              Univ. Udine, via delle Scienze 208, 33100
                              Udine, Italy<br class="">
                              Phone +39-0432-558216, fax +39-0432-558222<br
                                class="">
                              <br class="">
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