[Ipopt-tickets] [Ipopt] #216: interface to MKL PARDISO
Ipopt
coin-trac at coin-or.org
Tue Nov 26 05:32:03 EST 2013
#216: interface to MKL PARDISO
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Reporter: akalinki | Owner: stefan
Type: defect | Status: assigned
Priority: normal | Component: Ipopt
Version: 3.11 | Severity: normal
Resolution: | Keywords:
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Comment (by stefan):
With r2440, I reset {{{IPARM_[7]}}} back to 0 when using MKL Pardiso (so
it's now the same again as with Basel Pardiso).
While setting it to 1 seemed to help to avoid some numerical difficulties
on some instances, it also seems to decrease performance on another
testset quite much, i.e., in a way that it became even worse than using
Ipopt with Mumps. Further, on that testset, it also increased the number
of instances where Ipopt failed to converge (from 12 to 28 out of 1314).
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Ticket URL: <https://projects.coin-or.org/Ipopt/ticket/216#comment:21>
Ipopt <http://projects.coin-or.org/Ipopt>
Interior-point optimizer for nonlinear programs.
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