scippp::params::HEURISTICS::ADAPTIVEDIVING Namespace Reference

Parameters with prefix heuristics/adaptivediving. More...

Variables
constexpr Param< double >	BESTSOLWEIGHT { "heuristics/adaptivediving/bestsolweight" }
	weight of incumbent solutions compared to other solutions in computation of LP iteration limit
constexpr Param< double >	EPSILON { "heuristics/adaptivediving/epsilon" }
	parameter that increases probability of exploration among divesets (only active if seltype is 'e')
constexpr Param< int >	FREQ { "heuristics/adaptivediving/freq" }
	frequency for calling primal heuristic <adaptivediving> (-1: never, 0: only at depth freqofs)
constexpr Param< int >	FREQOFS { "heuristics/adaptivediving/freqofs" }
	frequency offset for calling primal heuristic <adaptivediving>
constexpr Param< int >	MAXDEPTH { "heuristics/adaptivediving/maxdepth" }
	maximal depth level to call primal heuristic <adaptivediving> (-1: no limit)
constexpr Param< long long >	MAXLPITEROFS { "heuristics/adaptivediving/maxlpiterofs" }
	additional number of allowed LP iterations
constexpr Param< double >	MAXLPITERQUOT { "heuristics/adaptivediving/maxlpiterquot" }
	maximal fraction of diving LP iterations compared to node LP iterations
constexpr Param< int >	PRIORITY { "heuristics/adaptivediving/priority" }
	priority of heuristic <adaptivediving>
constexpr Param< char >	SCORETYPE { "heuristics/adaptivediving/scoretype" }
	score parameter for selection: minimize either average 'n'odes, LP 'i'terations,backtrack/'c'onflict ratio, 'd'epth, 1 / 's'olutions, or 1 / solutions'u'ccess
constexpr Param< double >	SELCONFIDENCECOEFF { "heuristics/adaptivediving/selconfidencecoeff" }
	coefficient c to decrease initial confidence (calls + 1.0) / (calls + c) in scores
constexpr Param< char >	SELTYPE { "heuristics/adaptivediving/seltype" }
	selection strategy: (e)psilon-greedy, (w)eighted distribution, (n)ext diving
constexpr Param< bool >	USEADAPTIVECONTEXT { "heuristics/adaptivediving/useadaptivecontext" }
	should the heuristic use its own statistics, or shared statistics?

Detailed Description

Parameters with prefix heuristics/adaptivediving.

Variable Documentation

BESTSOLWEIGHT

constexpr Param<double> scippp::params::HEURISTICS::ADAPTIVEDIVING::BESTSOLWEIGHT { "heuristics/adaptivediving/bestsolweight" }

constexpr

weight of incumbent solutions compared to other solutions in computation of LP iteration limit

Definition at line 2308 of file parameters.hpp.

EPSILON

constexpr Param<double> scippp::params::HEURISTICS::ADAPTIVEDIVING::EPSILON { "heuristics/adaptivediving/epsilon" }

constexpr

parameter that increases probability of exploration among divesets (only active if seltype is 'e')

Definition at line 2293 of file parameters.hpp.

FREQ

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

constexpr

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

Definition at line 2287 of file parameters.hpp.

FREQOFS

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

constexpr

frequency offset for calling primal heuristic <adaptivediving>

Definition at line 2289 of file parameters.hpp.

MAXDEPTH

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

constexpr

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

Definition at line 2291 of file parameters.hpp.

MAXLPITEROFS

constexpr Param<long long> scippp::params::HEURISTICS::ADAPTIVEDIVING::MAXLPITEROFS { "heuristics/adaptivediving/maxlpiterofs" }

constexpr

additional number of allowed LP iterations

Definition at line 2306 of file parameters.hpp.

MAXLPITERQUOT

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

constexpr

maximal fraction of diving LP iterations compared to node LP iterations

Definition at line 2304 of file parameters.hpp.

PRIORITY

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

constexpr

priority of heuristic <adaptivediving>

Definition at line 2285 of file parameters.hpp.

SCORETYPE

constexpr Param<char> scippp::params::HEURISTICS::ADAPTIVEDIVING::SCORETYPE { "heuristics/adaptivediving/scoretype" }

constexpr

score parameter for selection: minimize either average 'n'odes, LP 'i'terations,backtrack/'c'onflict ratio, 'd'epth, 1 / 's'olutions, or 1 / solutions'u'ccess

Definition at line 2296 of file parameters.hpp.

SELCONFIDENCECOEFF

constexpr Param<double> scippp::params::HEURISTICS::ADAPTIVEDIVING::SELCONFIDENCECOEFF { "heuristics/adaptivediving/selconfidencecoeff" }

constexpr

coefficient c to decrease initial confidence (calls + 1.0) / (calls + c) in scores

Definition at line 2302 of file parameters.hpp.

SELTYPE

constexpr Param<char> scippp::params::HEURISTICS::ADAPTIVEDIVING::SELTYPE { "heuristics/adaptivediving/seltype" }

constexpr

selection strategy: (e)psilon-greedy, (w)eighted distribution, (n)ext diving

Definition at line 2298 of file parameters.hpp.

USEADAPTIVECONTEXT

constexpr Param<bool> scippp::params::HEURISTICS::ADAPTIVEDIVING::USEADAPTIVECONTEXT { "heuristics/adaptivediving/useadaptivecontext" }

constexpr

should the heuristic use its own statistics, or shared statistics?

Definition at line 2300 of file parameters.hpp.