NH_Stats Struct Reference

Detailed Description

statistics for a neighborhood

Definition at line 340 of file heur_alns.c.

Data Fields
SCIP_CLOCK *	setupclock
SCIP_CLOCK *	submipclock
SCIP_Longint	usednodes
SCIP_Real	oldupperbound
SCIP_Real	newupperbound
int	nruns
int	nrunsbestsol
SCIP_Longint	nsolsfound
SCIP_Longint	nbestsolsfound
int	nfixings
int	statushist [NHISTENTRIES]

Field Documentation

setupclock

SCIP_CLOCK* NH_Stats::setupclock

clock for sub-SCIP setup time

Definition at line 342 of file heur_alns.c.

Referenced by alnsFreeNeighborhood(), collectNeighborhoodStatistics(), executeLNSHeuristic(), neighborhoodStatsReset(), printNeighborhoodStatistics(), schedulerFreeNeighborhood(), and SCIP_DECL_HEUREXEC().

submipclock

SCIP_CLOCK* NH_Stats::submipclock

clock for the sub-SCIP solve

Definition at line 343 of file heur_alns.c.

Referenced by alnsFreeNeighborhood(), neighborhoodStatsReset(), printNeighborhoodStatistics(), and SCIP_DECL_HEUREXEC().

usednodes

SCIP_Longint NH_Stats::usednodes

total number of used nodes

Definition at line 344 of file heur_alns.c.

Referenced by collectNeighborhoodStatistics(), getReward(), initRunStats(), neighborhoodStatsReset(), printNeighborhoodStatistics(), SCIP_DECL_HEUREXEC(), updateNeighborhoodStats(), and updateRunStats().

oldupperbound

SCIP_Real NH_Stats::oldupperbound

upper bound before the sub-SCIP started

Definition at line 345 of file heur_alns.c.

Referenced by getReward(), and initRunStats().

newupperbound

SCIP_Real NH_Stats::newupperbound

new upper bound for allrewards mode to work correctly

Definition at line 346 of file heur_alns.c.

Referenced by getReward(), initRunStats(), and transferSolution().

nruns

int NH_Stats::nruns

number of runs of a neighborhood

Definition at line 347 of file heur_alns.c.

Referenced by collectNeighborhoodStatistics(), executeLNSHeuristic(), neighborhoodStatsReset(), printNeighborhoodStatistics(), SCIP_DECL_HEUREXEC(), and updateNeighborhoodStats().

nrunsbestsol

int NH_Stats::nrunsbestsol

number of runs that produced a new incumbent

Definition at line 348 of file heur_alns.c.

Referenced by neighborhoodStatsReset(), and updateNeighborhoodStats().

nsolsfound

SCIP_Longint NH_Stats::nsolsfound

the total number of solutions found

Definition at line 349 of file heur_alns.c.

Referenced by collectNeighborhoodStatistics(), initRunStats(), neighborhoodStatsReset(), printNeighborhoodStatistics(), transferSolution(), and updateNeighborhoodStats().

nbestsolsfound

SCIP_Longint NH_Stats::nbestsolsfound

the total number of improving solutions found

Definition at line 350 of file heur_alns.c.

Referenced by collectNeighborhoodStatistics(), getReward(), initRunStats(), neighborhoodStatsReset(), printNeighborhoodStatistics(), transferSolution(), updateFixingRate(), updateMinimumImprovement(), updateNeighborhoodStats(), and updateTargetNodeLimit().

nfixings

int NH_Stats::nfixings

the number of fixings in one run

Definition at line 351 of file heur_alns.c.

Referenced by executeLNSHeuristic(), getReward(), initRunStats(), neighborhoodStatsReset(), and SCIP_DECL_HEUREXEC().

statushist

int NH_Stats::statushist[NHISTENTRIES]

array to count sub-SCIP statuses

Definition at line 352 of file heur_alns.c.

Referenced by collectNeighborhoodStatistics(), neighborhoodStatsReset(), printNeighborhoodStatistics(), and updateNeighborhoodStats().