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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>
<div><br>
</div>
<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>
</div>
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