Parameters with prefix separating. More...

Namespaces
namespace	AGGREGATION
	Parameters with prefix separating/aggregation.

namespace	CGMIP
	Parameters with prefix separating/cgmip.

namespace	CLIQUE
	Parameters with prefix separating/clique.

namespace	CLOSECUTS
	Parameters with prefix separating/closecuts.

namespace	CMIR
	Parameters with prefix separating/cmir.

namespace	CONVEXPROJ
	Parameters with prefix separating/convexproj.

namespace	DISJUNCTIVE
	Parameters with prefix separating/disjunctive.

namespace	ECCUTS
	Parameters with prefix separating/eccuts.

namespace	FLOWCOVER
	Parameters with prefix separating/flowcover.

namespace	GAUGE
	Parameters with prefix separating/gauge.

namespace	GOMORY
	Parameters with prefix separating/gomory.

namespace	GOMORYMI
	Parameters with prefix separating/gomorymi.

namespace	IMPLIEDBOUNDS
	Parameters with prefix separating/impliedbounds.

namespace	INTERMINOR
	Parameters with prefix separating/interminor.

namespace	INTOBJ
	Parameters with prefix separating/intobj.

namespace	KNAPSACKCOVER
	Parameters with prefix separating/knapsackcover.

namespace	LAGROMORY
	Parameters with prefix separating/lagromory.

namespace	MCF
	Parameters with prefix separating/mcf.

namespace	MINOR
	Parameters with prefix separating/minor.

namespace	MIXING
	Parameters with prefix separating/mixing.

namespace	ODDCYCLE
	Parameters with prefix separating/oddcycle.

namespace	RAPIDLEARNING
	Parameters with prefix separating/rapidlearning.

namespace	RLT
	Parameters with prefix separating/rlt.

namespace	STRONGCG
	Parameters with prefix separating/strongcg.

namespace	ZEROHALF
	Parameters with prefix separating/zerohalf.

Variables
constexpr Param< int >	CUTAGELIMIT { "separating/cutagelimit" }
	maximum age a cut can reach before it is deleted from the global cut pool, or -1 to keep all cuts

constexpr Param< char >	CUTSELRESTART { "separating/cutselrestart" }
	cut selection during restart ('a'ge, activity 'q'uotient)

constexpr Param< char >	CUTSELSUBSCIP { "separating/cutselsubscip" }
	cut selection for sub SCIPs ('a'ge, activity 'q'uotient)

constexpr Param< char >	EFFICACYNORM { "separating/efficacynorm" }
	row norm to use for efficacy calculation ('e'uclidean, 'm'aximum, 's'um, 'd'iscrete)

constexpr Param< bool >	FILTERCUTPOOLREL { "separating/filtercutpoolrel" }
	should cutpool separate only cuts with high relative efficacy?

constexpr Param< int >	MAXADDROUNDS { "separating/maxaddrounds" }
	maximal additional number of separation rounds in subsequent price-and-cut loops (-1: no additional restriction)

constexpr Param< double >	MAXBOUNDDIST { "separating/maxbounddist" }
	maximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying separation (0.0: only on current best node, 1.0: on all nodes)

constexpr Param< double >	MAXCOEFRATIO { "separating/maxcoefratio" }
	maximal ratio between coefficients in strongcg, cmir, and flowcover cuts

constexpr Param< double >	MAXCOEFRATIOFACROWPREP { "separating/maxcoefratiofacrowprep" }
	maximal ratio between coefficients (as factor of 1/feastol) to ensure in rowprep cleanup

constexpr Param< int >	MAXCUTS { "separating/maxcuts" }
	maximal number of cuts separated per separation round (0: disable local separation)

constexpr Param< double >	MAXCUTSGENFACTOR { "separating/maxcutsgenfactor" }
	factor w.r.t.

constexpr Param< int >	MAXCUTSROOT { "separating/maxcutsroot" }
	maximal number of separated cuts per separation round at the root node (0: disable root node separation)

constexpr Param< double >	MAXCUTSROOTGENFACTOR { "separating/maxcutsrootgenfactor" }
	factor w.r.t.

constexpr Param< double >	MAXLOCALBOUNDDIST { "separating/maxlocalbounddist" }
	maximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying local separation (0.0: only on current best node, 1.0: on all nodes)

constexpr Param< int >	MAXROUNDS { "separating/maxrounds" }
	maximal number of separation rounds per node (-1: unlimited)

constexpr Param< int >	MAXROUNDSROOT { "separating/maxroundsroot" }
	maximal number of separation rounds in the root node (-1: unlimited)

constexpr Param< int >	MAXROUNDSROOTSUBRUN { "separating/maxroundsrootsubrun" }
	maximal number of separation rounds in the root node of a subsequent run (-1: unlimited)

constexpr Param< int >	MAXRUNS { "separating/maxruns" }
	maximal number of runs for which separation is enabled (-1: unlimited)

constexpr Param< int >	MAXSTALLROUNDS { "separating/maxstallrounds" }
	maximal number of consecutive separation rounds without objective or integrality improvement in local nodes (-1: no additional restriction)

constexpr Param< int >	MAXSTALLROUNDSROOT { "separating/maxstallroundsroot" }
	maximal number of consecutive separation rounds without objective or integrality improvement in the root node (-1: no additional restriction)

constexpr Param< double >	MINACTIVITYQUOT { "separating/minactivityquot" }
	minimum cut activity quotient to convert cuts into constraints during a restart (0.0: all cuts are converted)

constexpr Param< double >	MINEFFICACY { "separating/minefficacy" }
	minimal efficacy for a cut to enter the LP

constexpr Param< double >	MINEFFICACYROOT { "separating/minefficacyroot" }
	minimal efficacy for a cut to enter the LP in the root node

constexpr Param< char >	ORTHOFUNC { "separating/orthofunc" }
	function used for calc. scalar prod. in orthogonality test ('e'uclidean, 'd'iscrete)

constexpr Param< int >	POOLFREQ { "separating/poolfreq" }
	separation frequency for the global cut pool (-1: disable global cut pool, 0: only separate pool at the root)

Detailed Description

Parameters with prefix separating.

Variable Documentation

◆ CUTAGELIMIT

Param<int> scippp::params::SEPARATING::CUTAGELIMIT { "separating/cutagelimit" }

constexpr

maximum age a cut can reach before it is deleted from the global cut pool, or -1 to keep all cuts

Definition at line 6015 of file parameters.hpp.

◆ CUTSELRESTART

Param<char> scippp::params::SEPARATING::CUTSELRESTART { "separating/cutselrestart" }

constexpr

cut selection during restart ('a'ge, activity 'q'uotient)

Definition at line 5989 of file parameters.hpp.

◆ CUTSELSUBSCIP

Param<char> scippp::params::SEPARATING::CUTSELSUBSCIP { "separating/cutselsubscip" }

constexpr

cut selection for sub SCIPs ('a'ge, activity 'q'uotient)

Definition at line 5991 of file parameters.hpp.

◆ EFFICACYNORM

Param<char> scippp::params::SEPARATING::EFFICACYNORM { "separating/efficacynorm" }

constexpr

row norm to use for efficacy calculation ('e'uclidean, 'm'aximum, 's'um, 'd'iscrete)

Definition at line 5987 of file parameters.hpp.

◆ FILTERCUTPOOLREL

Param<bool> scippp::params::SEPARATING::FILTERCUTPOOLREL { "separating/filtercutpoolrel" }

constexpr

should cutpool separate only cuts with high relative efficacy?

Definition at line 5993 of file parameters.hpp.

◆ MAXADDROUNDS

Param<int> scippp::params::SEPARATING::MAXADDROUNDS { "separating/maxaddrounds" }

constexpr

maximal additional number of separation rounds in subsequent price-and-cut loops (-1: no additional restriction)

Definition at line 6003 of file parameters.hpp.

◆ MAXBOUNDDIST

Param<double> scippp::params::SEPARATING::MAXBOUNDDIST { "separating/maxbounddist" }

constexpr

maximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying separation (0.0: only on current best node, 1.0: on all nodes)

Definition at line 5964 of file parameters.hpp.

◆ MAXCOEFRATIO

Param<double> scippp::params::SEPARATING::MAXCOEFRATIO { "separating/maxcoefratio" }

constexpr

maximal ratio between coefficients in strongcg, cmir, and flowcover cuts

Definition at line 5969 of file parameters.hpp.

◆ MAXCOEFRATIOFACROWPREP

Param<double> scippp::params::SEPARATING::MAXCOEFRATIOFACROWPREP { "separating/maxcoefratiofacrowprep" }

constexpr

maximal ratio between coefficients (as factor of 1/feastol) to ensure in rowprep cleanup

Definition at line 5971 of file parameters.hpp.

◆ MAXCUTS

Param<int> scippp::params::SEPARATING::MAXCUTS { "separating/maxcuts" }

constexpr

maximal number of cuts separated per separation round (0: disable local separation)

Definition at line 6011 of file parameters.hpp.

◆ MAXCUTSGENFACTOR

Param<double> scippp::params::SEPARATING::MAXCUTSGENFACTOR { "separating/maxcutsgenfactor" }

constexpr

factor w.r.t.

maxcuts for maximal number of cuts generated per separation round (-1.0: no limit, >= 0.0: valid finite limit)

Definition at line 5980 of file parameters.hpp.

◆ MAXCUTSROOT

Param<int> scippp::params::SEPARATING::MAXCUTSROOT { "separating/maxcutsroot" }

constexpr

maximal number of separated cuts per separation round at the root node (0: disable root node separation)

Definition at line 6013 of file parameters.hpp.

◆ MAXCUTSROOTGENFACTOR

Param<double> scippp::params::SEPARATING::MAXCUTSROOTGENFACTOR { "separating/maxcutsrootgenfactor" }

constexpr

factor w.r.t.

maxcutsroot for maximal number of generated cuts per separation round at the root node (-1.0: no limit, >= 0.0: valid finite limit)

Definition at line 5983 of file parameters.hpp.

◆ MAXLOCALBOUNDDIST

Param<double> scippp::params::SEPARATING::MAXLOCALBOUNDDIST { "separating/maxlocalbounddist" }

constexpr

maximal relative distance from current node's dual bound to primal bound compared to best node's dual bound for applying local separation (0.0: only on current best node, 1.0: on all nodes)

Definition at line 5967 of file parameters.hpp.

◆ MAXROUNDS

Param<int> scippp::params::SEPARATING::MAXROUNDS { "separating/maxrounds" }

constexpr

maximal number of separation rounds per node (-1: unlimited)

Definition at line 5997 of file parameters.hpp.

◆ MAXROUNDSROOT

Param<int> scippp::params::SEPARATING::MAXROUNDSROOT { "separating/maxroundsroot" }

constexpr

maximal number of separation rounds in the root node (-1: unlimited)

Definition at line 5999 of file parameters.hpp.

◆ MAXROUNDSROOTSUBRUN

Param<int> scippp::params::SEPARATING::MAXROUNDSROOTSUBRUN { "separating/maxroundsrootsubrun" }

constexpr

maximal number of separation rounds in the root node of a subsequent run (-1: unlimited)

Definition at line 6001 of file parameters.hpp.

◆ MAXRUNS

Param<int> scippp::params::SEPARATING::MAXRUNS { "separating/maxruns" }

constexpr

maximal number of runs for which separation is enabled (-1: unlimited)

Definition at line 5995 of file parameters.hpp.

◆ MAXSTALLROUNDS

Param<int> scippp::params::SEPARATING::MAXSTALLROUNDS { "separating/maxstallrounds" }

constexpr

maximal number of consecutive separation rounds without objective or integrality improvement in local nodes (-1: no additional restriction)

Definition at line 6006 of file parameters.hpp.

◆ MAXSTALLROUNDSROOT

Param<int> scippp::params::SEPARATING::MAXSTALLROUNDSROOT { "separating/maxstallroundsroot" }

constexpr

maximal number of consecutive separation rounds without objective or integrality improvement in the root node (-1: no additional restriction)

Definition at line 6009 of file parameters.hpp.

◆ MINACTIVITYQUOT

Param<double> scippp::params::SEPARATING::MINACTIVITYQUOT { "separating/minactivityquot" }

constexpr

minimum cut activity quotient to convert cuts into constraints during a restart (0.0: all cuts are converted)

Definition at line 5977 of file parameters.hpp.

◆ MINEFFICACY

Param<double> scippp::params::SEPARATING::MINEFFICACY { "separating/minefficacy" }

constexpr

minimal efficacy for a cut to enter the LP

Definition at line 5973 of file parameters.hpp.

◆ MINEFFICACYROOT

Param<double> scippp::params::SEPARATING::MINEFFICACYROOT { "separating/minefficacyroot" }

constexpr

minimal efficacy for a cut to enter the LP in the root node

Definition at line 5975 of file parameters.hpp.

◆ ORTHOFUNC

Param<char> scippp::params::SEPARATING::ORTHOFUNC { "separating/orthofunc" }

constexpr

function used for calc. scalar prod. in orthogonality test ('e'uclidean, 'd'iscrete)

Definition at line 5985 of file parameters.hpp.

◆ POOLFREQ

Param<int> scippp::params::SEPARATING::POOLFREQ { "separating/poolfreq" }

constexpr

separation frequency for the global cut pool (-1: disable global cut pool, 0: only separate pool at the root)

Definition at line 6017 of file parameters.hpp.

SCIP++ refs/heads/main

Namespaces

Variables

Detailed Description

Variable Documentation

◆ CUTAGELIMIT

◆ CUTSELRESTART

◆ CUTSELSUBSCIP

◆ EFFICACYNORM

◆ FILTERCUTPOOLREL

◆ MAXADDROUNDS

◆ MAXBOUNDDIST

◆ MAXCOEFRATIO

◆ MAXCOEFRATIOFACROWPREP

◆ MAXCUTS

◆ MAXCUTSGENFACTOR

◆ MAXCUTSROOT

◆ MAXCUTSROOTGENFACTOR

◆ MAXLOCALBOUNDDIST

◆ MAXROUNDS

◆ MAXROUNDSROOT

◆ MAXROUNDSROOTSUBRUN

◆ MAXRUNS

◆ MAXSTALLROUNDS

◆ MAXSTALLROUNDSROOT

◆ MINACTIVITYQUOT

◆ MINEFFICACY

◆ MINEFFICACYROOT

◆ ORTHOFUNC

◆ POOLFREQ