solve problem with multi-threads #918
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2. solveFirstInterruptOthers 3. add copy model method 4. add copy model solution 5. add some Solution methods
Opt-Mucca
reviewed
Oct 28, 2024
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Thanks for the PR @liangbug !
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Appendix 1. from pyscipopt import Model
def main():
orig_scip = Model()
copy_scip = Model.copyModel(orig_scip)
new_scip = Model(sourceModel=orig_scip)
orig_scip_param_names = orig_scip.getParams().keys()
copy_scip_param_names = copy_scip.getParams().keys()
new_scip_param_names = new_scip.getParams().keys()
lost_params = sorted(list(set(orig_scip_param_names) - set(new_scip_param_names)))
print('The count of orig scip params:', len(orig_scip_param_names))
print('The count of copy scip params:', len(copy_scip_param_names))
print('The count of new scip params:', len(new_scip_param_names))
print('The lost of new scip params:', lost_params)
if __name__ == "__main__":
main() |
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Hey @liangbug! Last week, @Opt-Mucca, @mmghannam, and I discussed this PR and came to the following conclusions.
However, we understand the frustration with using What do you think of this, @liangbug? Does it sound reasonable? |
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I understand yours concerns. |
2. model addOrigVarsConssObjectiveFrom 3. add some Solution methods
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Hi @Opt-Mucca @Joao-Dionisio
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Joao-Dionisio
requested changes
Nov 15, 2024
Co-authored-by: João Dionísio <57299939+Joao-Dionisio@users.noreply.github.com>
Joao-Dionisio
approved these changes
Nov 18, 2024
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Thank you for your contribution @liangbug!! We'll now work on adding some of your code to the examples, to show people how they can change the interface. |
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I want to solve problem with multi-threads and different random seeds
So I added some methods including
The copyed model from init method argument sourceModel loses some scip components.
The new copy model method use full scip components.