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<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hi
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Thanks for the reply.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Is there any documentation how to incorporate your own linear solver? I see there is the option for ‘custom’ in the Ipopt solver selection (<a href="https://www.coin-or.org/Ipopt/documentation/node51.html">https://www.coin-or.org/Ipopt/documentation/node51.html</a>
).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif">Amir<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-ZA" style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Stefan Vigerske [mailto:stefan@math.hu-berlin.de]
<br>
<b>Sent:</b> Monday, 20 March 2017 1:06 PM<br>
<b>To:</b> Amir Patel <a.patel@uct.ac.za>; ipopt@list.coin-or.org<br>
<b>Subject:</b> Re: [Ipopt] CUSolver with IPOPT<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi,<br>
<br>
I'm not aware of an interface from Ipopt to CUSolver, so it would need <br>
to be written.<br>
The linear solvers for which interfaces exist already (various HSL <br>
codes, Mumps, Wsmp, Pardiso) do not use GPUs.<br>
<br>
Stefan<br>
<br>
On 03/20/2017 11:32 AM, Amir Patel wrote:<br>
> Hi Everyone<br>
><br>
> I would really like to leverage off the new GPU linear solvers to do the LU computations IPOPT requires. How can I go about getting IPOPT to use CUSolver? Would I need to write my own interface to it?<br>
><br>
> Alternatively, do any of the existing solvers use GPUs at all? I found a paper, "General-Purpose Sparse Matrix Building Blocks using the NVIDIA CUDA Technology Platform", by Christen, Schenk, and Helmar which modified Paradiso and showed great success. But
I cannot find this code anywhere...<br>
><br>
> Any help would greatly be appreciated!<br>
><br>
> Best Regards<br>
> Amir<br>
><br>
> [Description: <a href="cid:GQFCUFUZWCCY.IMAGE_13.gif">cid:GQFCUFUZWCCY.IMAGE_13.gif</a>]<br>
><br>
> AMIR PATEL<br>
> [Description: <a href="cid:NUFCNKRVYNWE.IMAGE_13.BMP">cid:NUFCNKRVYNWE.IMAGE_13.BMP</a>]<br>
> DEPARTMENT OF ELECTRICAL ENGINEERING<br>
> Senior Lecturer<br>
> PhD (Mechatronics) Cape Town<br>
><br>
> Room 4.08| Menzies Building, Upper Campus, Rondebosch<br>
> Email: <a href="mailto:a.patel@uct.ac.za%3cmailto:a.patel@uct.ac.za">a.patel@uct.ac.za<mailto:a.patel@uct.ac.za</a>><br>
> Telephone: +27 (0)21 650 2803<br>
><br>
><br>
><br>
><br>
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<a href="https://protect-za.mimecast.com/s/zK8dB2fMVrOc2">http://www.gams.com/~stefan</a><o:p></o:p></p>
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