scippp::params::HEURISTICS::LPFACE Namespace Reference

Parameters with prefix heuristics/lpface. More...

Variables
constexpr Param< bool >	COPYCUTS { "heuristics/lpface/copycuts" }
	if uselprows == FALSE, should all active cuts from cutpool be copied to constraints in subproblem?
constexpr Param< bool >	DUALBASISEQUATIONS { "heuristics/lpface/dualbasisequations" }
	should dually nonbasic rows be turned into equations?
constexpr Param< int >	FREQ { "heuristics/lpface/freq" }
	frequency for calling primal heuristic <lpface> (-1: never, 0: only at depth freqofs)
constexpr Param< int >	FREQOFS { "heuristics/lpface/freqofs" }
	frequency offset for calling primal heuristic <lpface>
constexpr Param< bool >	KEEPSUBSCIP { "heuristics/lpface/keepsubscip" }
	should the heuristic continue solving the same sub-SCIP?
constexpr Param< double >	LPLIMFAC { "heuristics/lpface/lplimfac" }
	factor by which the limit on the number of LP depends on the node limit
constexpr Param< int >	MAXDEPTH { "heuristics/lpface/maxdepth" }
	maximal depth level to call primal heuristic <lpface> (-1: no limit)
constexpr Param< long long >	MAXNODES { "heuristics/lpface/maxnodes" }
	maximum number of nodes to regard in the subproblem
constexpr Param< double >	MINFIXINGRATE { "heuristics/lpface/minfixingrate" }
	required percentage of fixed integer variables in sub-MIP to run
constexpr Param< long long >	MINNODES { "heuristics/lpface/minnodes" }
	minimum number of nodes required to start the subproblem
constexpr Param< int >	MINPATHLEN { "heuristics/lpface/minpathlen" }
	the minimum active search tree path length along which lower bound hasn't changed before heuristic becomes active
constexpr Param< long long >	NODESOFS { "heuristics/lpface/nodesofs" }
	number of nodes added to the contingent of the total nodes
constexpr Param< double >	NODESQUOT { "heuristics/lpface/nodesquot" }
	contingent of sub problem nodes in relation to the number of nodes of the original problem
constexpr Param< int >	PRIORITY { "heuristics/lpface/priority" }
	priority of heuristic <lpface>
constexpr Param< char >	SUBSCIPOBJECTIVE { "heuristics/lpface/subscipobjective" }
	objective function in the sub-SCIP: (z)ero, (r)oot-LP-difference, (i)nference, LP (f)ractionality, (o)riginal
constexpr Param< bool >	USELPROWS { "heuristics/lpface/uselprows" }
	should subproblem be created out of the rows in the LP rows?

Detailed Description

Parameters with prefix heuristics/lpface.

Variable Documentation

COPYCUTS

constexpr Param<bool> scippp::params::HEURISTICS::LPFACE::COPYCUTS { "heuristics/lpface/copycuts" }

constexpr

if uselprows == FALSE, should all active cuts from cutpool be copied to constraints in subproblem?

Definition at line 3299 of file parameters.hpp.

DUALBASISEQUATIONS

constexpr Param<bool> scippp::params::HEURISTICS::LPFACE::DUALBASISEQUATIONS { "heuristics/lpface/dualbasisequations" }

constexpr

should dually nonbasic rows be turned into equations?

Definition at line 3295 of file parameters.hpp.

FREQ

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

constexpr

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

Definition at line 3275 of file parameters.hpp.

FREQOFS

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

constexpr

frequency offset for calling primal heuristic <lpface>

Definition at line 3277 of file parameters.hpp.

KEEPSUBSCIP

constexpr Param<bool> scippp::params::HEURISTICS::LPFACE::KEEPSUBSCIP { "heuristics/lpface/keepsubscip" }

constexpr

should the heuristic continue solving the same sub-SCIP?

Definition at line 3297 of file parameters.hpp.

LPLIMFAC

constexpr Param<double> scippp::params::HEURISTICS::LPFACE::LPLIMFAC { "heuristics/lpface/lplimfac" }

constexpr

factor by which the limit on the number of LP depends on the node limit

Definition at line 3291 of file parameters.hpp.

MAXDEPTH

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

constexpr

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

Definition at line 3279 of file parameters.hpp.

MAXNODES

constexpr Param<long long> scippp::params::HEURISTICS::LPFACE::MAXNODES { "heuristics/lpface/maxnodes" }

constexpr

maximum number of nodes to regard in the subproblem

Definition at line 3283 of file parameters.hpp.

MINFIXINGRATE

constexpr Param<double> scippp::params::HEURISTICS::LPFACE::MINFIXINGRATE { "heuristics/lpface/minfixingrate" }

constexpr

required percentage of fixed integer variables in sub-MIP to run

Definition at line 3289 of file parameters.hpp.

MINNODES

constexpr Param<long long> scippp::params::HEURISTICS::LPFACE::MINNODES { "heuristics/lpface/minnodes" }

constexpr

minimum number of nodes required to start the subproblem

Definition at line 3285 of file parameters.hpp.

MINPATHLEN

constexpr Param<int> scippp::params::HEURISTICS::LPFACE::MINPATHLEN { "heuristics/lpface/minpathlen" }

constexpr

the minimum active search tree path length along which lower bound hasn't changed before heuristic becomes active

Definition at line 3304 of file parameters.hpp.

NODESOFS

constexpr Param<long long> scippp::params::HEURISTICS::LPFACE::NODESOFS { "heuristics/lpface/nodesofs" }

constexpr

number of nodes added to the contingent of the total nodes

Definition at line 3281 of file parameters.hpp.

NODESQUOT

constexpr Param<double> scippp::params::HEURISTICS::LPFACE::NODESQUOT { "heuristics/lpface/nodesquot" }

constexpr

contingent of sub problem nodes in relation to the number of nodes of the original problem

Definition at line 3287 of file parameters.hpp.

PRIORITY

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

constexpr

priority of heuristic <lpface>

Definition at line 3273 of file parameters.hpp.

SUBSCIPOBJECTIVE

constexpr Param<char> scippp::params::HEURISTICS::LPFACE::SUBSCIPOBJECTIVE { "heuristics/lpface/subscipobjective" }

constexpr

objective function in the sub-SCIP: (z)ero, (r)oot-LP-difference, (i)nference, LP (f)ractionality, (o)riginal

Definition at line 3301 of file parameters.hpp.

USELPROWS

constexpr Param<bool> scippp::params::HEURISTICS::LPFACE::USELPROWS { "heuristics/lpface/uselprows" }

constexpr

should subproblem be created out of the rows in the LP rows?

Definition at line 3293 of file parameters.hpp.