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Difference between SCIPgetPrioChild and SCIPgetBestChild #40

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dxyzx0 opened this issue Jan 17, 2023 · 1 comment
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Difference between SCIPgetPrioChild and SCIPgetBestChild #40

dxyzx0 opened this issue Jan 17, 2023 · 1 comment

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@dxyzx0
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dxyzx0 commented Jan 17, 2023

Sorry to bring up this naive question. I have read the source code of these 2 functions and I know SCIPgetBestChild returns the best node w.r.t the node selection strategy. However, I can't understand meaning of the attribute tree->childrenprio in SCIPgetPrioChild.

  1. What priority is this attribute?
  2. Why does SCIP need this attribute?

Thanks a lot.
@ambros-gleixner
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This is the priority which child should first be selected. It can be set by the branching rule when creating children using information that may not be available later. The documentation at

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