[SCIP] Reliability Branching

Ahmed Ibrahim Ahmed.Ibrahim at umanitoba.ca
Wed Jan 6 23:36:28 CET 2016


Hi SCIP community,
Can any one help me clear the confusion between the following parameters in reliability branching:

  1.  branching/relpscost/sbiterofs: explained in 'http://scip.zib.de/doc/html/PARAMETERS.php' as the additional number of allowed strong LP iterations
  2.  branching/relpscost/sbiterquot: explained in 'http://scip.zib.de/doc/html/PARAMETERS.php' as the amaximal fraction of strong branching LP iterations compared to node relaxation LP iterations
  3.  branching/relpscost/initcand: explained in 'http://scip.zib.de/doc/html/PARAMETERS.php' as the iteration limit for strong branching initializations for pseudocosts entries

To me the three seem to do the same thing, which is deciding the maximum number of strong branching LP iterations . I don't understand how they are different?

Regards,
Ahmed
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