[Scip] CLP slower with SCIP
Tobias Achterberg
achterberg at zib.de
Thu Dec 18 12:21:45 MET 2008
Hi Riley,
of course it would be most helpful if you could send the instance. Not to the SCIP mailing
list (as your file might be quite large), but to Timo (berthold at zib.de) or Kati
(wolter at zib.de).
Tobias
riley clement wrote:
> Hi all,
>
> I have linked SCIP with CLP and I have a problem instance which takes
> CLP over an hour in the root node to solve (the lp relaxation). When I
> print out this lp relaxation to file, CLP (accessed via command line)
> can solve it within 10 mins (which is still worrying since xpress solved
> in 10 seconds). Can anyone guess why there is a descrepancy between CLP
> command line performance, and SCIP-CLP?
>
> Cheers,
> Riley
>
>
>
>
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