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Does SCIP.jl support branch and price? #181

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Darksonn opened this issue Jan 3, 2021 · 3 comments
Open

Does SCIP.jl support branch and price? #181

Darksonn opened this issue Jan 3, 2021 · 3 comments

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@Darksonn
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Darksonn commented Jan 3, 2021

I know that I can use SCIP as a branch-and-price framework, but is unclear whether this wrapper supports those parts of SCIP.

@rschwarz
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rschwarz commented Jan 3, 2021

No, the pricer plugin infrastructure is not wrapped, currently.

@matbesancon
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Isn't there the raw wrapper? https://github.com/scipopt/SCIP.jl/blob/master/src/wrapper/pub_pricer.jl

Note: this means you would have to use it in a fairly raw interface with managed-scip instead of the MOI wrapper

@rschwarz
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rschwarz commented Jan 7, 2021

True, you can do anything manually, but there is no specific support through code in SCIP.jl.

To be honest, I don't know enough about what would be requried in terms of memory management etc.

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