scippp::params::HEURISTICS::FRACDIVING Namespace Reference

Parameters with prefix heuristics/fracdiving. More...

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

Detailed Description

Parameters with prefix heuristics/fracdiving.

Variable Documentation

BACKTRACK

constexpr Param<bool> scippp::params::HEURISTICS::FRACDIVING::BACKTRACK { "heuristics/fracdiving/backtrack" }

constexpr

use one level of backtracking if infeasibility is encountered?

Definition at line 3005 of file parameters.hpp.

FREQ

constexpr Param<int> scippp::params::HEURISTICS::FRACDIVING::FREQ { "heuristics/fracdiving/freq" }

constexpr

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

Definition at line 2981 of file parameters.hpp.

FREQOFS

constexpr Param<int> scippp::params::HEURISTICS::FRACDIVING::FREQOFS { "heuristics/fracdiving/freqofs" }

constexpr

frequency offset for calling primal heuristic <fracdiving>

Definition at line 2983 of file parameters.hpp.

LPRESOLVEDOMCHGQUOT

constexpr Param<double> scippp::params::HEURISTICS::FRACDIVING::LPRESOLVEDOMCHGQUOT { "heuristics/fracdiving/lpresolvedomchgquot" }

constexpr

percentage of immediate domain changes during probing to trigger LP resolve

Definition at line 3007 of file parameters.hpp.

LPSOLVEFREQ

constexpr Param<int> scippp::params::HEURISTICS::FRACDIVING::LPSOLVEFREQ { "heuristics/fracdiving/lpsolvefreq" }

constexpr

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

Definition at line 3009 of file parameters.hpp.

MAXDEPTH

constexpr Param<int> scippp::params::HEURISTICS::FRACDIVING::MAXDEPTH { "heuristics/fracdiving/maxdepth" }

constexpr

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

Definition at line 2985 of file parameters.hpp.

MAXDIVEAVGQUOT

constexpr Param<double> scippp::params::HEURISTICS::FRACDIVING::MAXDIVEAVGQUOT { "heuristics/fracdiving/maxdiveavgquot" }

constexpr

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

Definition at line 2999 of file parameters.hpp.

MAXDIVEAVGQUOTNOSOL

constexpr Param<double> scippp::params::HEURISTICS::FRACDIVING::MAXDIVEAVGQUOTNOSOL { "heuristics/fracdiving/maxdiveavgquotnosol" }

constexpr

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

Definition at line 3003 of file parameters.hpp.

MAXDIVEUBQUOT

constexpr Param<double> scippp::params::HEURISTICS::FRACDIVING::MAXDIVEUBQUOT { "heuristics/fracdiving/maxdiveubquot" }

constexpr

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

Definition at line 2996 of file parameters.hpp.

MAXDIVEUBQUOTNOSOL

constexpr Param<double> scippp::params::HEURISTICS::FRACDIVING::MAXDIVEUBQUOTNOSOL { "heuristics/fracdiving/maxdiveubquotnosol" }

constexpr

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

Definition at line 3001 of file parameters.hpp.

MAXLPITEROFS

constexpr Param<int> scippp::params::HEURISTICS::FRACDIVING::MAXLPITEROFS { "heuristics/fracdiving/maxlpiterofs" }

constexpr

additional number of allowed LP iterations

Definition at line 2993 of file parameters.hpp.

MAXLPITERQUOT

constexpr Param<double> scippp::params::HEURISTICS::FRACDIVING::MAXLPITERQUOT { "heuristics/fracdiving/maxlpiterquot" }

constexpr

maximal fraction of diving LP iterations compared to node LP iterations

Definition at line 2991 of file parameters.hpp.

MAXRELDEPTH

constexpr Param<double> scippp::params::HEURISTICS::FRACDIVING::MAXRELDEPTH { "heuristics/fracdiving/maxreldepth" }

constexpr

maximal relative depth to start diving

Definition at line 2989 of file parameters.hpp.

MINRELDEPTH

constexpr Param<double> scippp::params::HEURISTICS::FRACDIVING::MINRELDEPTH { "heuristics/fracdiving/minreldepth" }

constexpr

minimal relative depth to start diving

Definition at line 2987 of file parameters.hpp.

ONLYLPBRANCHCANDS

constexpr Param<bool> scippp::params::HEURISTICS::FRACDIVING::ONLYLPBRANCHCANDS { "heuristics/fracdiving/onlylpbranchcands" }

constexpr

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

Definition at line 3012 of file parameters.hpp.

PRIORITY

constexpr Param<int> scippp::params::HEURISTICS::FRACDIVING::PRIORITY { "heuristics/fracdiving/priority" }

constexpr

priority of heuristic <fracdiving>

Definition at line 2979 of file parameters.hpp.