scippp::params::HEURISTICS::PSCOSTDIVING Namespace Reference

Parameters with prefix heuristics/pscostdiving. More...

Variables
constexpr Param< bool >	BACKTRACK { "heuristics/pscostdiving/backtrack" }
	use one level of backtracking if infeasibility is encountered?
constexpr Param< int >	FREQ { "heuristics/pscostdiving/freq" }
	frequency for calling primal heuristic <pscostdiving> (-1: never, 0: only at depth freqofs)
constexpr Param< int >	FREQOFS { "heuristics/pscostdiving/freqofs" }
	frequency offset for calling primal heuristic <pscostdiving>
constexpr Param< double >	LPRESOLVEDOMCHGQUOT { "heuristics/pscostdiving/lpresolvedomchgquot" }
	percentage of immediate domain changes during probing to trigger LP resolve
constexpr Param< int >	LPSOLVEFREQ { "heuristics/pscostdiving/lpsolvefreq" }
	LP solve frequency for diving heuristics (0: only after enough domain changes have been found)
constexpr Param< int >	MAXDEPTH { "heuristics/pscostdiving/maxdepth" }
	maximal depth level to call primal heuristic <pscostdiving> (-1: no limit)
constexpr Param< double >	MAXDIVEAVGQUOT { "heuristics/pscostdiving/maxdiveavgquot" }
	maximal quotient (curlowerbound - lowerbound)/(avglowerbound - lowerbound) where diving is performed (0.0: no limit)
constexpr Param< double >	MAXDIVEAVGQUOTNOSOL { "heuristics/pscostdiving/maxdiveavgquotnosol" }
	maximal AVGQUOT when no solution was found yet (0.0: no limit)
constexpr Param< double >	MAXDIVEUBQUOT { "heuristics/pscostdiving/maxdiveubquot" }
	maximal quotient (curlowerbound - lowerbound)/(cutoffbound - lowerbound) where diving is performed (0.0: no limit)
constexpr Param< double >	MAXDIVEUBQUOTNOSOL { "heuristics/pscostdiving/maxdiveubquotnosol" }
	maximal UBQUOT when no solution was found yet (0.0: no limit)
constexpr Param< int >	MAXLPITEROFS { "heuristics/pscostdiving/maxlpiterofs" }
	additional number of allowed LP iterations
constexpr Param< double >	MAXLPITERQUOT { "heuristics/pscostdiving/maxlpiterquot" }
	maximal fraction of diving LP iterations compared to node LP iterations
constexpr Param< double >	MAXRELDEPTH { "heuristics/pscostdiving/maxreldepth" }
	maximal relative depth to start diving
constexpr Param< double >	MINRELDEPTH { "heuristics/pscostdiving/minreldepth" }
	minimal relative depth to start diving
constexpr Param< bool >	ONLYLPBRANCHCANDS { "heuristics/pscostdiving/onlylpbranchcands" }
	should only LP branching candidates be considered instead of the slower but more general constraint handler diving variable selection?
constexpr Param< int >	PRIORITY { "heuristics/pscostdiving/priority" }
	priority of heuristic <pscostdiving>

Detailed Description

Parameters with prefix heuristics/pscostdiving.

Variable Documentation

BACKTRACK

Param<bool> scippp::params::HEURISTICS::PSCOSTDIVING::BACKTRACK { "heuristics/pscostdiving/backtrack" }

constexpr

use one level of backtracking if infeasibility is encountered?

Definition at line 3859 of file parameters.hpp.

FREQ

Param<int> scippp::params::HEURISTICS::PSCOSTDIVING::FREQ { "heuristics/pscostdiving/freq" }

constexpr

frequency for calling primal heuristic <pscostdiving> (-1: never, 0: only at depth freqofs)

Definition at line 3835 of file parameters.hpp.

FREQOFS

Param<int> scippp::params::HEURISTICS::PSCOSTDIVING::FREQOFS { "heuristics/pscostdiving/freqofs" }

constexpr

frequency offset for calling primal heuristic <pscostdiving>

Definition at line 3837 of file parameters.hpp.

LPRESOLVEDOMCHGQUOT

Param<double> scippp::params::HEURISTICS::PSCOSTDIVING::LPRESOLVEDOMCHGQUOT { "heuristics/pscostdiving/lpresolvedomchgquot" }

constexpr

percentage of immediate domain changes during probing to trigger LP resolve

Definition at line 3861 of file parameters.hpp.

LPSOLVEFREQ

Param<int> scippp::params::HEURISTICS::PSCOSTDIVING::LPSOLVEFREQ { "heuristics/pscostdiving/lpsolvefreq" }

constexpr

LP solve frequency for diving heuristics (0: only after enough domain changes have been found)

Definition at line 3863 of file parameters.hpp.

MAXDEPTH

Param<int> scippp::params::HEURISTICS::PSCOSTDIVING::MAXDEPTH { "heuristics/pscostdiving/maxdepth" }

constexpr

maximal depth level to call primal heuristic <pscostdiving> (-1: no limit)

Definition at line 3839 of file parameters.hpp.

MAXDIVEAVGQUOT

Param<double> scippp::params::HEURISTICS::PSCOSTDIVING::MAXDIVEAVGQUOT { "heuristics/pscostdiving/maxdiveavgquot" }

constexpr

maximal quotient (curlowerbound - lowerbound)/(avglowerbound - lowerbound) where diving is performed (0.0: no limit)

Definition at line 3853 of file parameters.hpp.

MAXDIVEAVGQUOTNOSOL

Param<double> scippp::params::HEURISTICS::PSCOSTDIVING::MAXDIVEAVGQUOTNOSOL { "heuristics/pscostdiving/maxdiveavgquotnosol" }

constexpr

maximal AVGQUOT when no solution was found yet (0.0: no limit)

Definition at line 3857 of file parameters.hpp.

MAXDIVEUBQUOT

Param<double> scippp::params::HEURISTICS::PSCOSTDIVING::MAXDIVEUBQUOT { "heuristics/pscostdiving/maxdiveubquot" }

constexpr

maximal quotient (curlowerbound - lowerbound)/(cutoffbound - lowerbound) where diving is performed (0.0: no limit)

Definition at line 3850 of file parameters.hpp.

MAXDIVEUBQUOTNOSOL

Param<double> scippp::params::HEURISTICS::PSCOSTDIVING::MAXDIVEUBQUOTNOSOL { "heuristics/pscostdiving/maxdiveubquotnosol" }

constexpr

maximal UBQUOT when no solution was found yet (0.0: no limit)

Definition at line 3855 of file parameters.hpp.

MAXLPITEROFS

Param<int> scippp::params::HEURISTICS::PSCOSTDIVING::MAXLPITEROFS { "heuristics/pscostdiving/maxlpiterofs" }

constexpr

additional number of allowed LP iterations

Definition at line 3847 of file parameters.hpp.

MAXLPITERQUOT

Param<double> scippp::params::HEURISTICS::PSCOSTDIVING::MAXLPITERQUOT { "heuristics/pscostdiving/maxlpiterquot" }

constexpr

maximal fraction of diving LP iterations compared to node LP iterations

Definition at line 3845 of file parameters.hpp.

MAXRELDEPTH

Param<double> scippp::params::HEURISTICS::PSCOSTDIVING::MAXRELDEPTH { "heuristics/pscostdiving/maxreldepth" }

constexpr

maximal relative depth to start diving

Definition at line 3843 of file parameters.hpp.

MINRELDEPTH

Param<double> scippp::params::HEURISTICS::PSCOSTDIVING::MINRELDEPTH { "heuristics/pscostdiving/minreldepth" }

constexpr

minimal relative depth to start diving

Definition at line 3841 of file parameters.hpp.

ONLYLPBRANCHCANDS

Param<bool> scippp::params::HEURISTICS::PSCOSTDIVING::ONLYLPBRANCHCANDS { "heuristics/pscostdiving/onlylpbranchcands" }

constexpr

should only LP branching candidates be considered instead of the slower but more general constraint handler diving variable selection?

Definition at line 3866 of file parameters.hpp.

PRIORITY

Param<int> scippp::params::HEURISTICS::PSCOSTDIVING::PRIORITY { "heuristics/pscostdiving/priority" }

constexpr

priority of heuristic <pscostdiving>

Definition at line 3833 of file parameters.hpp.