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Callback implementation #356

Merged
merged 2 commits into from
Feb 10, 2025
Merged

Callback implementation #356

merged 2 commits into from
Feb 10, 2025

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g-poveda
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Few more usefull callback are implemented :

  • warmstart callback between step of sequential solver (like lexico)
  • retrieve results of sequential solvers separately (typically to analyse how lexico is running its several phases)
  • early stopper based on objective gap (abs or relative)

@g-poveda
Adding more callbacks :
98d31ae 
- warmstart : allows to warmstart using on_step_end() function, can be used in LexicoSolver typically
- sequential_solvers_callback : retrieve separately  solutions found on each step of solve (for lexico or sequential solve)
@g-poveda
implementing an early stopper for cpsat solver, based on optimality g…
65fb247 
…ap to best bound. this could be generalized to mip solver in further work
@g-poveda g-poveda merged commit 0a4b6b2 into airbus:master Feb 10, 2025
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