[Ipopt] Benchmarch of linear solvers

Jonathan Hogg jonathan.hogg at stfc.ac.uk
Mon Sep 12 11:19:31 EDT 2011

I'm not aware of any done recently, and in fact this is on my list of 
things to do this month.

Preliminary results indicate it can be very problem dependant and you 
can get significant changes in behaviour by tweaking solver parameters 
(eg scaling, pivoting, ordering, definitions of zero, supernode 
amalgamation strategies).


On 12/09/11 15:01, Wendel Alexandre Xavier de Melo wrote:
> Hi experts
> I have a question: For using Ipotp, we have some options of linear
> solvers. Is there any benchmark study about what is best linear solver
> for use with Ipopt?
> I would like to run my application as fast as possible...
> Best regards
> Wendel Alexandre Melo
> Master degree student
> Federal University of Rio de janeiro
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