scippp::params::MISC Namespace Reference

Parameters with prefix misc. More...

Variables
constexpr Param< bool >	ALLOWSTRONGDUALREDS { "misc/allowstrongdualreds" }
	should strong dual reductions be allowed in propagation and presolving?
constexpr Param< bool >	ALLOWWEAKDUALREDS { "misc/allowweakdualreds" }
	should weak dual reductions be allowed in propagation and presolving?
constexpr Param< bool >	AVOIDMEMOUT { "misc/avoidmemout" }
	try to avoid running into memory limit by restricting plugins like heuristics?
constexpr Param< bool >	CALCINTEGRAL { "misc/calcintegral" }
	should SCIP calculate the primal dual integral value?
constexpr Param< bool >	CATCHCTRLC { "misc/catchctrlc" }
	should the CTRL-C interrupt be caught by SCIP?
constexpr Param< bool >	ESTIMEXTERNMEM { "misc/estimexternmem" }
	should the usage of external memory be estimated?
constexpr Param< bool >	FINITESOLUTIONSTORE { "misc/finitesolutionstore" }
	should SCIP try to remove infinite fixings from solutions copied to the solution store?
constexpr Param< bool >	IMPROVINGSOLS { "misc/improvingsols" }
	should only solutions be checked which improve the primal bound
constexpr Param< bool >	OUTPUTORIGSOL { "misc/outputorigsol" }
	should the best solution be transformed to the orignal space and be output in command line run?
constexpr Param< bool >	PRINTREASON { "misc/printreason" }
	should the reason be printed if a given start solution is infeasible
constexpr Param< double >	REFERENCEVALUE { "misc/referencevalue" }
	objective value for reference purposes
constexpr Param< bool >	RESETSTAT { "misc/resetstat" }
	should the statistics be reset if the transformed problem is freed (in case of a Benders' decomposition this parameter should be set to FALSE)
constexpr Param< bool >	SCALEOBJ { "misc/scaleobj" }
	should the objective function be scaled so that it is always integer?
constexpr Param< bool >	SHOWDIVINGSTATS { "misc/showdivingstats" }
	should detailed statistics for diving heuristics be shown?
constexpr Param< bool >	TRANSORIGSOLS { "misc/transorigsols" }
	should SCIP try to transfer original solutions to the transformed space (after presolving)?
constexpr Param< bool >	TRANSSOLSORIG { "misc/transsolsorig" }
	should SCIP try to transfer transformed solutions to the original space (after solving)?
constexpr Param< bool >	USECONSTABLE { "misc/useconstable" }
	should a hashtable be used to map from constraint names to constraints?
constexpr Param< bool >	USESMALLTABLES { "misc/usesmalltables" }
	should smaller hashtables be used? yields better performance for small problems with about 100 variables
constexpr Param< int >	USESYMMETRY { "misc/usesymmetry" }
	bitset describing used symmetry handling technique (0: off; 1: polyhedral (orbitopes and/or symresacks); 2: orbital fixing; 3: orbitopes and orbital fixing; 4: Schreier Sims cuts; 5: Schreier Sims cuts and orbitopes); 6: Schreier Sims cuts and orbital fixing; 7: Schreier Sims cuts, orbitopes, and orbital fixing, see type_symmetry.h.
constexpr Param< bool >	USEVARTABLE { "misc/usevartable" }
	should a hashtable be used to map from variable names to variables?

Detailed Description

Parameters with prefix misc.

Variable Documentation

ALLOWSTRONGDUALREDS

constexpr Param<bool> scippp::params::MISC::ALLOWSTRONGDUALREDS { "misc/allowstrongdualreds" }

constexpr

should strong dual reductions be allowed in propagation and presolving?

Definition at line 4426 of file parameters.hpp.

ALLOWWEAKDUALREDS

constexpr Param<bool> scippp::params::MISC::ALLOWWEAKDUALREDS { "misc/allowweakdualreds" }

constexpr

should weak dual reductions be allowed in propagation and presolving?

Definition at line 4428 of file parameters.hpp.

AVOIDMEMOUT

constexpr Param<bool> scippp::params::MISC::AVOIDMEMOUT { "misc/avoidmemout" }

constexpr

try to avoid running into memory limit by restricting plugins like heuristics?

Definition at line 4414 of file parameters.hpp.

CALCINTEGRAL

constexpr Param<bool> scippp::params::MISC::CALCINTEGRAL { "misc/calcintegral" }

constexpr

should SCIP calculate the primal dual integral value?

Definition at line 4420 of file parameters.hpp.

CATCHCTRLC

constexpr Param<bool> scippp::params::MISC::CATCHCTRLC { "misc/catchctrlc" }

constexpr

should the CTRL-C interrupt be caught by SCIP?

Definition at line 4397 of file parameters.hpp.

ESTIMEXTERNMEM

constexpr Param<bool> scippp::params::MISC::ESTIMEXTERNMEM { "misc/estimexternmem" }

constexpr

should the usage of external memory be estimated?

Definition at line 4412 of file parameters.hpp.

FINITESOLUTIONSTORE

constexpr Param<bool> scippp::params::MISC::FINITESOLUTIONSTORE { "misc/finitesolutionstore" }

constexpr

should SCIP try to remove infinite fixings from solutions copied to the solution store?

Definition at line 4422 of file parameters.hpp.

IMPROVINGSOLS

constexpr Param<bool> scippp::params::MISC::IMPROVINGSOLS { "misc/improvingsols" }

constexpr

should only solutions be checked which improve the primal bound

Definition at line 4408 of file parameters.hpp.

OUTPUTORIGSOL

constexpr Param<bool> scippp::params::MISC::OUTPUTORIGSOL { "misc/outputorigsol" }

constexpr

should the best solution be transformed to the orignal space and be output in command line run?

Definition at line 4424 of file parameters.hpp.

PRINTREASON

constexpr Param<bool> scippp::params::MISC::PRINTREASON { "misc/printreason" }

constexpr

should the reason be printed if a given start solution is infeasible

Definition at line 4410 of file parameters.hpp.

REFERENCEVALUE

constexpr Param<double> scippp::params::MISC::REFERENCEVALUE { "misc/referencevalue" }

constexpr

objective value for reference purposes

Definition at line 4434 of file parameters.hpp.

RESETSTAT

constexpr Param<bool> scippp::params::MISC::RESETSTAT { "misc/resetstat" }

constexpr

should the statistics be reset if the transformed problem is freed (in case of a Benders' decomposition this parameter should be set to FALSE)

Definition at line 4406 of file parameters.hpp.

SCALEOBJ

constexpr Param<bool> scippp::params::MISC::SCALEOBJ { "misc/scaleobj" }

constexpr

should the objective function be scaled so that it is always integer?

Definition at line 4430 of file parameters.hpp.

SHOWDIVINGSTATS

constexpr Param<bool> scippp::params::MISC::SHOWDIVINGSTATS { "misc/showdivingstats" }

constexpr

should detailed statistics for diving heuristics be shown?

Definition at line 4432 of file parameters.hpp.

TRANSORIGSOLS

constexpr Param<bool> scippp::params::MISC::TRANSORIGSOLS { "misc/transorigsols" }

constexpr

should SCIP try to transfer original solutions to the transformed space (after presolving)?

Definition at line 4416 of file parameters.hpp.

TRANSSOLSORIG

constexpr Param<bool> scippp::params::MISC::TRANSSOLSORIG { "misc/transsolsorig" }

constexpr

should SCIP try to transfer transformed solutions to the original space (after solving)?

Definition at line 4418 of file parameters.hpp.

USECONSTABLE

constexpr Param<bool> scippp::params::MISC::USECONSTABLE { "misc/useconstable" }

constexpr

should a hashtable be used to map from constraint names to constraints?

Definition at line 4401 of file parameters.hpp.

USESMALLTABLES

constexpr Param<bool> scippp::params::MISC::USESMALLTABLES { "misc/usesmalltables" }

constexpr

should smaller hashtables be used? yields better performance for small problems with about 100 variables

Definition at line 4403 of file parameters.hpp.

USESYMMETRY

constexpr Param<int> scippp::params::MISC::USESYMMETRY { "misc/usesymmetry" }

constexpr

bitset describing used symmetry handling technique (0: off; 1: polyhedral (orbitopes and/or symresacks); 2: orbital fixing; 3: orbitopes and orbital fixing; 4: Schreier Sims cuts; 5: Schreier Sims cuts and orbitopes); 6: Schreier Sims cuts and orbital fixing; 7: Schreier Sims cuts, orbitopes, and orbital fixing, see type_symmetry.h.

Definition at line 4439 of file parameters.hpp.

USEVARTABLE

constexpr Param<bool> scippp::params::MISC::USEVARTABLE { "misc/usevartable" }

constexpr

should a hashtable be used to map from variable names to variables?

Definition at line 4399 of file parameters.hpp.