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scippp::params::HEURISTICS::DISTRIBUTIONDIVING Namespace Reference

Parameters with prefix heuristics/distributiondiving. More...

Variables

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

Detailed Description

Parameters with prefix heuristics/distributiondiving.

Variable Documentation

◆ BACKTRACK

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

use one level of backtracking if infeasibility is encountered?

Definition at line 2794 of file parameters.hpp.

◆ FREQ

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

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

Definition at line 2770 of file parameters.hpp.

◆ FREQOFS

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

frequency offset for calling primal heuristic <distributiondiving>

Definition at line 2772 of file parameters.hpp.

◆ LPRESOLVEDOMCHGQUOT

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

percentage of immediate domain changes during probing to trigger LP resolve

Definition at line 2796 of file parameters.hpp.

◆ LPSOLVEFREQ

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

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

Definition at line 2798 of file parameters.hpp.

◆ MAXDEPTH

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

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

Definition at line 2774 of file parameters.hpp.

◆ MAXDIVEAVGQUOT

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

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

Definition at line 2788 of file parameters.hpp.

◆ MAXDIVEAVGQUOTNOSOL

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

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

Definition at line 2792 of file parameters.hpp.

◆ MAXDIVEUBQUOT

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

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

Definition at line 2785 of file parameters.hpp.

◆ MAXDIVEUBQUOTNOSOL

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

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

Definition at line 2790 of file parameters.hpp.

◆ MAXLPITEROFS

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

additional number of allowed LP iterations

Definition at line 2782 of file parameters.hpp.

◆ MAXLPITERQUOT

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

maximal fraction of diving LP iterations compared to node LP iterations

Definition at line 2780 of file parameters.hpp.

◆ MAXRELDEPTH

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

maximal relative depth to start diving

Definition at line 2778 of file parameters.hpp.

◆ MINRELDEPTH

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

minimal relative depth to start diving

Definition at line 2776 of file parameters.hpp.

◆ ONLYLPBRANCHCANDS

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

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

Definition at line 2801 of file parameters.hpp.

◆ PRIORITY

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

priority of heuristic <distributiondiving>

Definition at line 2768 of file parameters.hpp.

◆ SCOREPARAM

constexpr Param<char> scippp::params::HEURISTICS::DISTRIBUTIONDIVING::SCOREPARAM { "heuristics/distributiondiving/scoreparam" }
constexpr

the score;largest 'd'ifference, 'l'owest cumulative probability,'h'ighest c.p., 'v'otes lowest c.p., votes highest c.p.

('w'), 'r'evolving

Definition at line 2804 of file parameters.hpp.