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Learning to Schedule Heuristics in Branch-and-Bound

To reproduce our results, do the following:

  • The source code of our version of SCIP can be found in the directory scip. To find out how to install and compile SCIP, please visit https://www.scipopt.org.

  • To collect data for diving and LNS heuristic, run SCIP with the setting datacollection.set and save the output in an out-file (see https://www.scipopt.org for more information on how to do that).

  • To obtain a schedule, execute

    python obtainSchedule.py <path/to/SCIPoutfile.out> <whichheuristics>

    where <whichheuristics> can take values diving, LNS, and diving+LNS depending on which heuristics should be added to the schedule.

  • The schedule setting will be saved as schedule.set.

A collection of GISP instances can be found in the directory instances.