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    <p>The main challenge with this is having the inertia available from
      the linear solver.  Iterative solvers don't normally provide
      matrix inertia, that's usually a by-product of a direct solver.</p>
    <p>Damien<br>
    </p>
    <br>
    <div class="moz-cite-prefix">On 3/20/2017 2:49 PM, Stuart Rogers
      wrote:<br>
    </div>
    <blockquote
cite="mid:CAHBg-_pcMwpT6pdci_VhFfrB7uScpb3d2c6h4vU3Ek-vOY-hBw@mail.gmail.com"
      type="cite">
      <div dir="ltr"><span style="font-size:12.8px">There was a previous
          thread on this topic: </span><a moz-do-not-send="true"
          href="https://list.coin-or.org/pipermail/ipopt/2016-August/004288.html"
          target="_blank" style="font-size:12.8px">https://list.coin-or.<wbr>org/pipermail/ipopt/2016-<wbr>August/004288.html</a><br>
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        <div><br>
        </div>
        <div><span style="font-size:12.8px">From: Amir Patel</span><br
            style="font-size:12.8px">
          <span style="font-size:12.8px">Sent: 17 March 2017 04:08:41 PM</span><br
            style="font-size:12.8px">
          <span style="font-size:12.8px">To: </span><a
            moz-do-not-send="true"
            href="mailto:waechter@iems.northwestern.edu"
            style="font-size:12.8px">waechter@iems.northwestern.edu</a><br
            style="font-size:12.8px">
          <span style="font-size:12.8px">Subject: GPU support in IPOPT?</span><br
            style="font-size:12.8px">
          <br style="font-size:12.8px">
          <span style="font-size:12.8px">Hi Prof. W?chter</span><br
            style="font-size:12.8px">
          <br style="font-size:12.8px">
          <span style="font-size:12.8px">I hope you are well!</span><br
            style="font-size:12.8px">
          <br style="font-size:12.8px">
          <span style="font-size:12.8px">I would like to leverage GPU
            accelerated linear solver (eg. CuSolver) in IPOPT. Has this
            been done before? Is it possible?</span><br
            style="font-size:12.8px">
          <br style="font-size:12.8px">
          <span style="font-size:12.8px">Best Regards</span><br
            style="font-size:12.8px">
          <span style="font-size:12.8px">Amir</span><br>
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      <pre wrap="">_______________________________________________
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</pre>
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