Heur_Stats Struct Reference

Detailed Description

statistics for heuristics

Definition at line 351 of file heur_scheduler.c.

Data Fields
SCIP_Real	oldupperbound
SCIP_Real	newupperbound
int	nruns
int	nrunsbestsol
SCIP_Longint	nsolsfound
SCIP_Longint	nbestsolsfound
SCIP_CLOCK *	setupclock
SCIP_CLOCK *	execclock
SCIP_Longint	nbacktracks
SCIP_Longint	nconflicts
SCIP_Longint	nprobnodes
int	divingdepth
SCIP_Longint	usednodes
int	nfixings
int	statushist [NHISTENTRIES]

Field Documentation

oldupperbound

SCIP_Real Heur_Stats::oldupperbound

upper bound before the heuristic started

Definition at line 353 of file heur_scheduler.c.

Referenced by executeDivingHeuristic(), executeLNSHeuristic(), getReward(), and initRunStats().

newupperbound

SCIP_Real Heur_Stats::newupperbound

new upper bound for allrewards mode to work correctly

Definition at line 354 of file heur_scheduler.c.

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

nruns

int Heur_Stats::nruns

number of runs of a heuristic

Definition at line 355 of file heur_scheduler.c.

Referenced by heurStatsReset(), printDivingHeurStatistics(), updateHeurStatsDiving(), and updateHeurStatsLNS().

nrunsbestsol

int Heur_Stats::nrunsbestsol

number of runs that produced a new incumbent

Definition at line 356 of file heur_scheduler.c.

Referenced by heurStatsReset(), updateHeurStatsDiving(), and updateHeurStatsLNS().

nsolsfound

SCIP_Longint Heur_Stats::nsolsfound

the total number of solutions found

Definition at line 357 of file heur_scheduler.c.

Referenced by executeDivingHeuristic(), executeLNSHeuristic(), heurStatsReset(), initRunStats(), printDivingHeurStatistics(), transferSolution(), updateHeurStatsDiving(), updateHeurStatsLNS(), and updateSolveFreq().

nbestsolsfound

SCIP_Longint Heur_Stats::nbestsolsfound

the total number of improving solutions found

Definition at line 358 of file heur_scheduler.c.

Referenced by executeDivingHeuristic(), executeLNSHeuristic(), getReward(), heurStatsReset(), initRunStats(), printDivingHeurStatistics(), SCIP_DECL_HEUREXEC(), transferSolution(), updateFixingRate(), updateHeurStatsDiving(), and updateHeurStatsLNS().

setupclock

SCIP_CLOCK* Heur_Stats::setupclock

clock for setup time

Definition at line 359 of file heur_scheduler.c.

Referenced by heurStatsReset(), includeDivingHeurs(), printDivingHeurStatistics(), and schedulerFreeDivingHeur().

execclock

SCIP_CLOCK* Heur_Stats::execclock

clock for the heuristic execution

Definition at line 360 of file heur_scheduler.c.

Referenced by executeDivingHeuristic(), heurStatsReset(), includeDivingHeurs(), printDivingHeurStatistics(), and schedulerFreeDivingHeur().

nbacktracks

SCIP_Longint Heur_Stats::nbacktracks

total number of used backtracks

Definition at line 362 of file heur_scheduler.c.

Referenced by executeDivingHeuristic(), heurStatsReset(), initRunStats(), and updateHeurStatsDiving().

nconflicts

SCIP_Longint Heur_Stats::nconflicts

total number of conflict constraints generated

Definition at line 363 of file heur_scheduler.c.

Referenced by executeDivingHeuristic(), getReward(), heurStatsReset(), initRunStats(), and updateHeurStatsDiving().

nprobnodes

SCIP_Longint Heur_Stats::nprobnodes

total number of probing nodes used

Definition at line 364 of file heur_scheduler.c.

Referenced by executeDivingHeuristic(), heurStatsReset(), initRunStats(), printDivingHeurStatistics(), updateHeurStatsDiving(), and updateSolveFreq().

divingdepth

int Heur_Stats::divingdepth

depth of last dive

Definition at line 365 of file heur_scheduler.c.

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

usednodes

SCIP_Longint Heur_Stats::usednodes

total number of used nodes

Definition at line 367 of file heur_scheduler.c.

Referenced by executeLNSHeuristic(), getReward(), heurStatsReset(), initRunStats(), updateHeurStatsLNS(), and updateRunStats().

nfixings

int Heur_Stats::nfixings

the number of fixings in one run

Definition at line 368 of file heur_scheduler.c.

Referenced by DECL_VARFIXINGS(), executeLNSHeuristic(), heurStatsReset(), initRunStats(), LNSFixMoreVariables(), LNSUnfixVariables(), and tryAdd2variableBuffer().

statushist

int Heur_Stats::statushist[NHISTENTRIES]

array to count sub-SCIP statuses

Definition at line 369 of file heur_scheduler.c.

Referenced by heurStatsReset(), and updateHeurStatsLNS().