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<p class=MsoNormal><font face=Arial size=2><span style='font-size:10.0pt;
font-family:Arial'>Hi everyone,<o:p></o:p></span></font></p>
<p class=MsoNormal><font face=Arial size=2><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font face=Arial size=2><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>I recently use Ipopt for my project. I try ma27
solver and its work very well. I also try ma57 with metis but I observe that
the results are worst (more slow and worst objective function value). I also
buy a license for pardiso and it is the same. In fact pardiso is worst than
ma57 (with openmp on a quad core). <o:p></o:p></span></font></p>
<p class=MsoNormal><font face=Arial size=2><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font face=Arial size=2><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Did you know if it exist some papers or reports that present
comparison results with Ipopt using different linear solver because it seems
very strange to me why I observed this results?<o:p></o:p></span></font></p>
<p class=MsoNormal><font face=Arial size=2><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p style='margin-bottom:0cm;margin-bottom:.0001pt'><font face=Georgia size=2><span lang=EN-CA style='font-size:10.0pt;font-family:Georgia'>Pascal </span></font><o:p></o:p></p>
<p class=MsoNormal><font face="Times New Roman" size=3><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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