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methods for problem statistics
- Author
- Tobias Achterberg
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Stefan Heinz
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Gregor Hendel
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Gerald Gamrath
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Marc Pfetsch
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Stefan Vigerske
Definition in file stat.c.
#include <assert.h>
#include "scip/def.h"
#include "blockmemshell/memory.h"
#include "scip/set.h"
#include "scip/prob.h"
#include "scip/stat.h"
#include "scip/clock.h"
#include "scip/vbc.h"
#include "scip/mem.h"
#include "scip/history.h"
Go to the source code of this file.
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| SCIP_RETCODE | SCIPstatCreate (SCIP_STAT **stat, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr) |
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| SCIP_RETCODE | SCIPstatFree (SCIP_STAT **stat, BMS_BLKMEM *blkmem) |
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| void | SCIPstatDisableVarHistory (SCIP_STAT *stat) |
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| void | SCIPstatEnableVarHistory (SCIP_STAT *stat) |
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| void | SCIPstatMark (SCIP_STAT *stat) |
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| void | SCIPstatReset (SCIP_STAT *stat, SCIP_SET *set) |
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| void | SCIPstatResetImplications (SCIP_STAT *stat) |
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| void | SCIPstatResetPresolving (SCIP_STAT *stat) |
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| void | SCIPstatResetPrimalDualIntegral (SCIP_STAT *stat, SCIP_SET *set, SCIP_Bool partialreset) |
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| void | SCIPstatUpdatePrimalDualIntegral (SCIP_STAT *stat, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_Real upperbound, SCIP_Real lowerbound) |
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| void | SCIPstatResetCurrentRun (SCIP_STAT *stat) |
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| void | SCIPstatResetDisplay (SCIP_STAT *stat) |
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| void | SCIPstatEnforceLPUpdates (SCIP_STAT *stat) |
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| void | SCIPstatUpdateMemsaveMode (SCIP_STAT *stat, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, SCIP_MEM *mem) |
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creates problem statistics data
- Parameters
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| stat | pointer to problem statistics data |
| blkmem | block memory |
| set | global SCIP settings |
| messagehdlr | message handler |
Definition at line 43 of file stat.c.
References BMSallocMemory, FALSE, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_CLOCKTYPE_DEFAULT, SCIP_OKAY, SCIP_STATUS_UNKNOWN, SCIPclockCreate(), SCIPhistoryCreate(), SCIPstatReset(), SCIPvbcCreate(), and TRUE.
Referenced by copyProb(), and SCIPcreateProb().
| void SCIPstatDisableVarHistory |
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SCIP_STAT * |
stat | ) |
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| void SCIPstatEnableVarHistory |
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SCIP_STAT * |
stat | ) |
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reset statistics to the data before solving started
- Parameters
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| stat | problem statistics data |
| set | global SCIP settings |
Definition at line 159 of file stat.c.
References SCIP_Stat::barrierlptime, SCIP_Stat::barrierzeroittime, SCIP_Stat::conflictlptime, SCIP_Stat::copyclock, SCIP_Stat::divinglptime, SCIP_Stat::domchgcount, SCIP_Stat::duallptime, SCIP_Stat::dualzeroittime, FALSE, SCIP_Stat::firstlpdualbound, SCIP_Stat::firstlptime, SCIP_Stat::firstprimalbound, SCIP_Stat::firstprimalheur, SCIP_Stat::firstprimaltime, SCIP_Stat::firstsolgap, SCIP_Stat::glbhistory, SCIP_Stat::lastsolgap, SCIP_Stat::lexduallptime, SCIP_Stat::lpcount, SCIP_Stat::lpsoltime, SCIP_Stat::marked_ncolidx, SCIP_Stat::marked_nrowidx, SCIP_Stat::marked_nvaridx, SCIP_Stat::maxcopytime, SCIP_Stat::maxtotaldepth, SCIP_Stat::memsavemode, SCIP_Stat::mincopytime, SCIP_Stat::nactiveconss, SCIP_Stat::nbarrierlpiterations, SCIP_Stat::nbarrierlps, SCIP_Stat::nbarrierzeroitlps, SCIP_Stat::nboundchgs, SCIP_Stat::ncolidx, SCIP_Stat::nconflictlpiterations, SCIP_Stat::nconflictlps, SCIP_Stat::nconfrestarts, SCIP_Stat::ncopies, SCIP_Stat::ncreatednodes, SCIP_Stat::ndivinglpiterations, SCIP_Stat::ndivinglps, SCIP_Stat::nduallpiterations, SCIP_Stat::nduallps, SCIP_Stat::ndualresolvelpiterations, SCIP_Stat::ndualresolvelps, SCIP_Stat::ndualzeroitlps, SCIP_Stat::nenabledconss, SCIP_Stat::nexternalsolsfound, SCIP_Stat::nholechgs, SCIP_Stat::ninitconssadded, SCIP_Stat::ninitlpiterations, SCIP_Stat::ninitlps, SCIP_Stat::nlexduallpiterations, SCIP_Stat::nlexduallps, SCIP_Stat::nlexdualresolvelpiterations, SCIP_Stat::nlexdualresolvelps, SCIP_Stat::nlpiterations, SCIP_Stat::nlps, SCIP_Stat::nlpsolsfound, SCIP_Stat::nlpsoltime, SCIP_Stat::nnlps, SCIP_Stat::nnodelpiterations, SCIP_Stat::nnodelps, SCIP_Stat::nnodesbeforefirst, SCIP_Stat::nodeactivationtime, SCIP_Stat::nprimallpiterations, SCIP_Stat::nprimallps, SCIP_Stat::nprimalresolvelpiterations, SCIP_Stat::nprimalresolvelps, SCIP_Stat::nprimalzeroitlps, SCIP_Stat::nprobboundchgs, SCIP_Stat::nprobholechgs, SCIP_Stat::npssolsfound, SCIP_Stat::nrootboundchgs, SCIP_Stat::nrootfirstlpiterations, SCIP_Stat::nrootintfixings, SCIP_Stat::nrootlpiterations, SCIP_Stat::nrootlps, SCIP_Stat::nrootsblpiterations, SCIP_Stat::nrootstrongbranchs, SCIP_Stat::nrowidx, SCIP_Stat::nruns, SCIP_Stat::nrunsbeforefirst, SCIP_Stat::nsbdivinglpiterations, SCIP_Stat::nsbdivinglps, SCIP_Stat::nsbdowndomchgs, SCIP_Stat::nsblpiterations, SCIP_Stat::nsbsolsfound, SCIP_Stat::nsbupdomchgs, SCIP_Stat::nstrongbranchs, SCIP_Stat::ntotalinternalnodes, SCIP_Stat::ntotalnodes, NULL, SCIP_Stat::nvaridx, SCIP_Stat::presolvingtime, SCIP_Stat::prevrunnvars, SCIP_Stat::primallptime, SCIP_Stat::primalzeroittime, SCIP_Stat::pseudosoltime, SCIP_Stat::sbsoltime, SCIP_DEFAULT_INFINITY, SCIP_REAL_MAX, SCIP_REAL_MIN, SCIP_UNKNOWN, SCIPclockReset(), SCIPhistoryReset(), SCIPstatResetImplications(), SCIPstatResetPresolving(), SCIPstatResetPrimalDualIntegral(), SCIP_Stat::solindex, SCIP_Stat::solvingtime, SCIP_Stat::strongbranchtime, SCIP_Stat::strongpropclock, and SCIP_Stat::vsidsweight.
Referenced by freeTransform(), and SCIPstatCreate().
| void SCIPstatResetImplications |
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SCIP_STAT * |
stat | ) |
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| void SCIPstatResetPresolving |
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SCIP_STAT * |
stat | ) |
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reset presolving and current run specific statistics
- Parameters
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| stat | problem statistics data |
Definition at line 290 of file stat.c.
References SCIP_Stat::npresoladdconss, SCIP_Stat::npresoladdholes, SCIP_Stat::npresolaggrvars, SCIP_Stat::npresolchgbds, SCIP_Stat::npresolchgcoefs, SCIP_Stat::npresolchgsides, SCIP_Stat::npresolchgvartypes, SCIP_Stat::npresoldelconss, SCIP_Stat::npresolfixedvars, SCIP_Stat::npresolrounds, SCIP_Stat::npresolupgdconss, NULL, and SCIPstatResetCurrentRun().
Referenced by initPresolve(), and SCIPstatReset().
reset primal-dual integral
- Parameters
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| stat | problem statistics data |
| set | global SCIP settings |
| partialreset | should time and integral value be kept? (in combination with no statistical reset, integrals are added for each problem to be solved) |
Definition at line 312 of file stat.c.
References SCIP_Stat::lastdualbound, SCIP_Stat::lastlowerbound, SCIP_Stat::lastprimalbound, SCIP_Stat::lastupperbound, NULL, SCIP_Stat::previntegralevaltime, SCIP_Stat::previousgap, SCIP_Stat::primaldualintegral, SCIP_UNKNOWN, and SCIPsetInfinity().
Referenced by freeTransform(), and SCIPstatReset().
update the primal-dual integral statistic. method accepts + and - SCIPsetInfinity() as values for upper and lower bound, respectively
- Parameters
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| stat | problem statistics data |
| set | global SCIP settings |
| transprob | transformed problem |
| origprob | original problem |
| upperbound | current upper bound in transformed problem, or infinity |
| lowerbound | current lower bound in transformed space, or -infinity |
Definition at line 338 of file stat.c.
References SCIP_Stat::lastdualbound, SCIP_Stat::lastlowerbound, SCIP_Stat::lastprimalbound, SCIP_Stat::lastupperbound, MAX, NULL, SCIP_Stat::previntegralevaltime, SCIP_Stat::previousgap, SCIP_Stat::primaldualintegral, REALABS, SCIP_Real, SCIP_STAGE_EXITPRESOLVE, SCIP_UNKNOWN, SCIPclockGetTime(), SCIPprobExternObjval(), SCIPsetIsEQ(), SCIPsetIsFeasGE(), SCIPsetIsGE(), SCIPsetIsInfinity(), SCIPsetIsLE(), SCIPsetIsZero(), and SCIP_Stat::solvingtime.
Referenced by exitPresolve(), SCIPnodeUpdateLowerbound(), SCIPsolveCIP(), and SCIPstoreSolutionGap().
| void SCIPstatResetCurrentRun |
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SCIP_STAT * |
stat | ) |
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reset current branch and bound run specific statistics
- Parameters
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| stat | problem statistics data |
Definition at line 431 of file stat.c.
References SCIP_Stat::bestsolnode, SCIP_Stat::glbhistorycrun, SCIP_Stat::lastbranchdir, SCIP_Stat::lastbranchvalue, SCIP_Stat::lastbranchvar, SCIP_Stat::lastconflictnode, SCIP_Stat::lastdivenode, SCIP_Stat::maxdepth, SCIP_Stat::nactivatednodes, SCIP_Stat::nbacktracks, SCIP_Stat::ncreatednodesrun, SCIP_Stat::ndeactivatednodes, SCIP_Stat::ndelayedcutoffs, SCIP_Stat::ninternalnodes, SCIP_Stat::nnodes, SCIP_Stat::npricerounds, SCIP_Stat::nrepropboundchgs, SCIP_Stat::nrepropcutoffs, SCIP_Stat::nreprops, SCIP_Stat::nrootboundchgsrun, SCIP_Stat::nrootintfixingsrun, SCIP_Stat::nseparounds, NULL, SCIP_Stat::plungedepth, SCIP_Stat::rootlowerbound, SCIP_BRANCHDIR_DOWNWARDS, SCIP_REAL_MIN, SCIP_STATUS_UNKNOWN, SCIP_UNKNOWN, SCIPhistoryReset(), SCIPstatResetDisplay(), and SCIP_Stat::status.
Referenced by freeSolve(), initSolve(), and SCIPstatResetPresolving().
| void SCIPstatResetDisplay |
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SCIP_STAT * |
stat | ) |
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| void SCIPstatEnforceLPUpdates |
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SCIP_STAT * |
stat | ) |
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increases LP count, such that all lazy updates depending on the LP are enforced again
- Parameters
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| stat | problem statistics data |
Definition at line 479 of file stat.c.
References SCIP_Stat::lpcount, and NULL.
Referenced by initSolve().
depending on the current memory usage, switches mode flag to standard or memory saving mode
- Parameters
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| stat | problem statistics data |
| set | global SCIP settings |
| messagehdlr | message handler |
| mem | block memory pools |
Definition at line 489 of file stat.c.
References FALSE, SCIP_Stat::memsavemode, SCIP_Stat::nnodes, NULL, SCIP_Longint, SCIP_Real, SCIP_VERBLEVEL_HIGH, SCIPmemGetUsed(), SCIPmessagePrintVerbInfo(), SCIPsetIsLT(), and TRUE.
Referenced by SCIPsolveCIP().
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