Scippy

SCIP

Solving Constraint Integer Programs

stat.c
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1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
6 /* Copyright (C) 2002-2020 Konrad-Zuse-Zentrum */
7 /* fuer Informationstechnik Berlin */
8 /* */
9 /* SCIP is distributed under the terms of the ZIB Academic License. */
10 /* */
11 /* You should have received a copy of the ZIB Academic License */
12 /* along with SCIP; see the file COPYING. If not visit scipopt.org. */
13 /* */
14 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
15 
16 /**@file stat.c
17  * @ingroup OTHER_CFILES
18  * @brief methods for problem statistics
19  * @author Tobias Achterberg
20  * @author Stefan Heinz
21  * @author Gregor Hendel
22  * @author Gerald Gamrath
23  * @author Marc Pfetsch
24  * @author Stefan Vigerske
25  */
26 
27 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
28 
29 #include "scip/clock.h"
30 #include "scip/history.h"
31 #include "scip/mem.h"
32 #include "scip/prob.h"
33 #include "scip/pub_message.h"
34 #include "scip/pub_misc.h"
35 #include "scip/pub_var.h"
36 #include "scip/set.h"
37 #include "scip/stat.h"
38 #include "scip/struct_set.h"
39 #include "scip/struct_stat.h"
40 #include "scip/var.h"
41 #include "scip/visual.h"
42 
43 
44 
45 /** creates problem statistics data */
47  SCIP_STAT** stat, /**< pointer to problem statistics data */
48  BMS_BLKMEM* blkmem, /**< block memory */
49  SCIP_SET* set, /**< global SCIP settings */
50  SCIP_PROB* transprob, /**< transformed problem, or NULL */
51  SCIP_PROB* origprob, /**< original problem, or NULL */
52  SCIP_MESSAGEHDLR* messagehdlr /**< message handler */
53  )
54 {
55  assert(stat != NULL);
56  assert(set != NULL);
57 
58  SCIP_ALLOC( BMSallocMemory(stat) );
59 
60  SCIP_CALL( SCIPclockCreate(&(*stat)->solvingtime, SCIP_CLOCKTYPE_DEFAULT) );
61  SCIP_CALL( SCIPclockCreate(&(*stat)->solvingtimeoverall, SCIP_CLOCKTYPE_DEFAULT) );
62  SCIP_CALL( SCIPclockCreate(&(*stat)->presolvingtime, SCIP_CLOCKTYPE_DEFAULT) );
63  SCIP_CALL( SCIPclockCreate(&(*stat)->presolvingtimeoverall, SCIP_CLOCKTYPE_DEFAULT) );
64  SCIP_CALL( SCIPclockCreate(&(*stat)->primallptime, SCIP_CLOCKTYPE_DEFAULT) );
65  SCIP_CALL( SCIPclockCreate(&(*stat)->duallptime, SCIP_CLOCKTYPE_DEFAULT) );
66  SCIP_CALL( SCIPclockCreate(&(*stat)->lexduallptime, SCIP_CLOCKTYPE_DEFAULT) );
67  SCIP_CALL( SCIPclockCreate(&(*stat)->barrierlptime, SCIP_CLOCKTYPE_DEFAULT) );
68  SCIP_CALL( SCIPclockCreate(&(*stat)->resolveinstablelptime, SCIP_CLOCKTYPE_DEFAULT) );
69  SCIP_CALL( SCIPclockCreate(&(*stat)->divinglptime, SCIP_CLOCKTYPE_DEFAULT) );
70  SCIP_CALL( SCIPclockCreate(&(*stat)->strongbranchtime, SCIP_CLOCKTYPE_DEFAULT) );
71  SCIP_CALL( SCIPclockCreate(&(*stat)->conflictlptime, SCIP_CLOCKTYPE_DEFAULT) );
72  SCIP_CALL( SCIPclockCreate(&(*stat)->lpsoltime, SCIP_CLOCKTYPE_DEFAULT) );
73  SCIP_CALL( SCIPclockCreate(&(*stat)->relaxsoltime, SCIP_CLOCKTYPE_DEFAULT) );
74  SCIP_CALL( SCIPclockCreate(&(*stat)->pseudosoltime, SCIP_CLOCKTYPE_DEFAULT) );
75  SCIP_CALL( SCIPclockCreate(&(*stat)->sbsoltime, SCIP_CLOCKTYPE_DEFAULT) );
76  SCIP_CALL( SCIPclockCreate(&(*stat)->nodeactivationtime, SCIP_CLOCKTYPE_DEFAULT) );
77  SCIP_CALL( SCIPclockCreate(&(*stat)->nlpsoltime, SCIP_CLOCKTYPE_DEFAULT) );
78  SCIP_CALL( SCIPclockCreate(&(*stat)->copyclock, SCIP_CLOCKTYPE_DEFAULT) );
79  SCIP_CALL( SCIPclockCreate(&(*stat)->strongpropclock, SCIP_CLOCKTYPE_DEFAULT) );
80  SCIP_CALL( SCIPclockCreate(&(*stat)->reoptupdatetime, SCIP_CLOCKTYPE_DEFAULT) );
81 
82  /* turn statistic timing on or off, depending on the user parameter */
83  SCIPstatEnableOrDisableStatClocks(*stat, set->time_statistictiming);
84 
85  SCIP_CALL( SCIPhistoryCreate(&(*stat)->glbhistory, blkmem) );
86  SCIP_CALL( SCIPhistoryCreate(&(*stat)->glbhistorycrun, blkmem) );
87  SCIP_CALL( SCIPvisualCreate(&(*stat)->visual, messagehdlr) );
88 
89  SCIP_CALL( SCIPregressionCreate(&(*stat)->regressioncandsobjval) );
90 
91  (*stat)->status = SCIP_STATUS_UNKNOWN;
92  (*stat)->marked_nvaridx = 0;
93  (*stat)->marked_ncolidx = 0;
94  (*stat)->marked_nrowidx = 0;
95  (*stat)->subscipdepth = 0;
96  (*stat)->detertimecnt = 0.0;
97  (*stat)->nreoptruns = 0;
98 
99  SCIPstatReset(*stat, set, transprob, origprob);
100 
101  return SCIP_OKAY;
102 }
103 
104 /** frees problem statistics data */
106  SCIP_STAT** stat, /**< pointer to problem statistics data */
107  BMS_BLKMEM* blkmem /**< block memory */
108  )
109 {
110  assert(stat != NULL);
111  assert(*stat != NULL);
112 
113  SCIPclockFree(&(*stat)->solvingtime);
114  SCIPclockFree(&(*stat)->solvingtimeoverall);
115  SCIPclockFree(&(*stat)->presolvingtime);
116  SCIPclockFree(&(*stat)->presolvingtimeoverall);
117  SCIPclockFree(&(*stat)->primallptime);
118  SCIPclockFree(&(*stat)->duallptime);
119  SCIPclockFree(&(*stat)->lexduallptime);
120  SCIPclockFree(&(*stat)->barrierlptime);
121  SCIPclockFree(&(*stat)->resolveinstablelptime);
122  SCIPclockFree(&(*stat)->divinglptime);
123  SCIPclockFree(&(*stat)->strongbranchtime);
124  SCIPclockFree(&(*stat)->conflictlptime);
125  SCIPclockFree(&(*stat)->lpsoltime);
126  SCIPclockFree(&(*stat)->relaxsoltime);
127  SCIPclockFree(&(*stat)->pseudosoltime);
128  SCIPclockFree(&(*stat)->sbsoltime);
129  SCIPclockFree(&(*stat)->nodeactivationtime);
130  SCIPclockFree(&(*stat)->nlpsoltime);
131  SCIPclockFree(&(*stat)->copyclock);
132  SCIPclockFree(&(*stat)->strongpropclock);
133  SCIPclockFree(&(*stat)->reoptupdatetime);
134 
135  SCIPhistoryFree(&(*stat)->glbhistory, blkmem);
136  SCIPhistoryFree(&(*stat)->glbhistorycrun, blkmem);
137  SCIPvisualFree(&(*stat)->visual);
138 
139  SCIPregressionFree(&(*stat)->regressioncandsobjval);
140 
141  BMSfreeMemory(stat);
142 
143  return SCIP_OKAY;
144 }
145 
146 /** diables the collection of any statistic for a variable */
148  SCIP_STAT* stat /**< problem statistics data */
149  )
150 {
151  assert(stat != NULL);
152 
153  stat->collectvarhistory = FALSE;
154 }
155 
156 /** enables the collection of statistics for a variable */
158  SCIP_STAT* stat /**< problem statistics data */
159  )
160 {
161  assert(stat != NULL);
162 
163  stat->collectvarhistory = TRUE;
164 }
165 
166 /** marks statistics to be able to reset them when solving process is freed */
168  SCIP_STAT* stat /**< problem statistics data */
169  )
170 {
171  assert(stat != NULL);
172 
173  stat->marked_nvaridx = stat->nvaridx;
174  stat->marked_ncolidx = stat->ncolidx;
175  stat->marked_nrowidx = stat->nrowidx;
176 }
177 
178 /** reset statistics to the data before solving started */
180  SCIP_STAT* stat, /**< problem statistics data */
181  SCIP_SET* set, /**< global SCIP settings */
182  SCIP_PROB* transprob, /**< transformed problem, or NULL */
183  SCIP_PROB* origprob /**< original problem, or NULL */
184  )
185 {
186  assert(stat != NULL);
187  assert(stat->marked_nvaridx >= 0);
188  assert(stat->marked_ncolidx >= 0);
189  assert(stat->marked_nrowidx >= 0);
190 
194  SCIPclockReset(stat->duallptime);
201  SCIPclockReset(stat->lpsoltime);
204  SCIPclockReset(stat->sbsoltime);
206  SCIPclockReset(stat->nlpsoltime);
207  SCIPclockReset(stat->copyclock);
209 
211 
213 
214  stat->vsidsweight = 1.0;
215  stat->nlpiterations = 0;
216  stat->nrootlpiterations = 0;
217  stat->nrootfirstlpiterations = 0;
218  stat->nprimallpiterations = 0;
219  stat->nduallpiterations = 0;
220  stat->nlexduallpiterations = 0;
221  stat->nbarrierlpiterations = 0;
222  stat->nprimalresolvelpiterations = 0;
223  stat->ndualresolvelpiterations = 0;
224  stat->nlexdualresolvelpiterations = 0;
225  stat->nnodelpiterations = 0;
226  stat->ninitlpiterations = 0;
227  stat->ndivinglpiterations = 0;
228  stat->nsbdivinglpiterations = 0;
229  stat->nsblpiterations = 0;
230  stat->nsbtimesiterlimhit = 0L;
231  stat->nrootsblpiterations = 0;
232  stat->nconflictlpiterations = 0;
233  stat->nresolveinstablelps = 0;
234  stat->nresolveinstablelpiters = 0;
235  stat->ntotalnodes = 0;
236  stat->ntotalinternalnodes = 0;
237  stat->ntotalnodesmerged = 0;
238  stat->ncreatednodes = 0;
239  stat->nlpsolsfound = 0;
240  stat->nrelaxsolsfound = 0;
241  stat->npssolsfound = 0;
242  stat->nsbsolsfound = 0;
243  stat->nlpbestsolsfound = 0;
244  stat->nrelaxbestsolsfound = 0;
245  stat->npsbestsolsfound = 0;
246  stat->nsbbestsolsfound = 0;
247  stat->nexternalsolsfound = 0;
248  stat->domchgcount = 0;
249  stat->nboundchgs = 0;
250  stat->nholechgs = 0;
251  stat->nprobboundchgs = 0;
252  stat->nprobholechgs = 0;
253  stat->nsbdowndomchgs = 0;
254  stat->nsbupdomchgs = 0;
255  stat->nruns = 0;
256  stat->nconfrestarts = 0;
257  stat->nrootboundchgs = 0;
258  stat->nrootintfixings = 0;
259  stat->prevrunnvars = 0;
260  stat->nvaridx = stat->marked_nvaridx;
261  stat->ncolidx = stat->marked_ncolidx;
262  stat->nrowidx = stat->marked_nrowidx;
263  stat->nnz = 0;
264  stat->avgnnz = 0;
265  stat->lpcount = 0;
266  stat->relaxcount = 0;
267  stat->nlps = 0;
268  stat->nrootlps = 0;
269  stat->nprimallps = 0;
270  stat->nprimalzeroitlps = 0;
271  stat->nduallps = 0;
272  stat->ndualzeroitlps = 0;
273  stat->nlexduallps = 0;
274  stat->nbarrierlps = 0;
275  stat->nbarrierzeroitlps = 0;
276  stat->nprimalresolvelps = 0;
277  stat->ndualresolvelps = 0;
278  stat->nlexdualresolvelps = 0;
279  stat->nnodelps = 0;
280  stat->nnodezeroitlps = 0;
281  stat->nisstoppedcalls = 0;
282  stat->ninitlps = 0;
283  stat->ndivinglps = 0;
284  stat->nsbdivinglps = 0;
285  stat->nnumtroublelpmsgs = 0;
286  stat->nstrongbranchs = 0;
287  stat->nrootstrongbranchs = 0;
288  stat->nconflictlps = 0;
289  stat->nnlps = 0;
290  stat->maxtotaldepth = -1;
291  stat->nactiveconss = 0;
292  stat->nenabledconss = 0;
293  stat->solindex = 0;
294  stat->memsavemode = FALSE;
295  stat->nnodesbeforefirst = -1;
296  stat->ninitconssadded = 0;
297  stat->nactiveconssadded = 0;
298  stat->externmemestim = 0;
299  stat->nrunsbeforefirst = -1;
300  stat->firstprimalheur = NULL;
305  stat->primalzeroittime = 0.0;
306  stat->dualzeroittime = 0.0;
307  stat->barrierzeroittime = 0.0;
308  stat->maxcopytime = SCIP_REAL_MIN;
309  stat->mincopytime = SCIP_REAL_MAX;
310  stat->firstlptime = 0.0;
312  stat->ncopies = 0;
313  stat->nclockskipsleft = 0;
314  stat->marked_nvaridx = -1;
315  stat->marked_ncolidx = -1;
316  stat->marked_nrowidx = -1;
317  stat->branchedunbdvar = FALSE;
318  stat->bestefficacy = 0.0;
319  stat->minefficacyfac = 0.5;
320  stat->ncutpoolfails = 0;
321 
322  stat->ndivesetlpiterations = 0;
323  stat->ndivesetcalls = 0;
324  stat->ndivesetlps = 0;
325  stat->totaldivesetdepth = 0;
326 
327  stat->userinterrupt = FALSE;
328  stat->userrestart = FALSE;
329  stat->inrestart = FALSE;
330  stat->collectvarhistory = TRUE;
331  stat->performpresol = FALSE;
332  stat->disableenforelaxmsg = FALSE;
333 
335  SCIPstatResetPresolving(stat, set, transprob, origprob);
337 }
338 
339 /** reset implication counter */
341  SCIP_STAT* stat /**< problem statistics data */
342  )
343 {
344  assert(stat != NULL);
345 
346  stat->nimplications = 0;
347 }
348 
349 /** reset presolving and current run specific statistics */
351  SCIP_STAT* stat, /**< problem statistics data */
352  SCIP_SET* set, /**< global SCIP settings */
353  SCIP_PROB* transprob, /**< transformed problem, or NULL if not yet existing */
354  SCIP_PROB* origprob /**< original problem, or NULL */
355  )
356 {
357  assert(stat != NULL);
358 
359  stat->npresolrounds = 0;
360  stat->npresolroundsfast = 0;
361  stat->npresolroundsmed = 0;
362  stat->npresolroundsext = 0;
363  stat->npresolfixedvars = 0;
364  stat->npresolaggrvars = 0;
365  stat->npresolchgvartypes = 0;
366  stat->npresolchgbds = 0;
367  stat->npresoladdholes = 0;
368  stat->npresoldelconss = 0;
369  stat->npresoladdconss = 0;
370  stat->npresolupgdconss = 0;
371  stat->npresolchgcoefs = 0;
372  stat->npresolchgsides = 0;
373 
374  SCIPstatResetCurrentRun(stat, set, transprob, origprob, FALSE);
375 }
376 
377 /** reset primal-dual, primal-reference, and reference-dual integral */
379  SCIP_STAT* stat, /**< problem statistics data */
380  SCIP_SET* set, /**< global SCIP settings */
381  SCIP_Bool partialreset /**< should time and integral value be kept? (in combination with no statistical
382  * reset, integrals are added for each problem to be solved) */
383  )
384 {
385  assert(stat != NULL);
386 
387  stat->previousgap = 100.0;
388  stat->previousdualrefgap = 100.0;
389  stat->previousprimalrefgap = 100.0;
391  stat->lastdualbound = SCIP_UNKNOWN;
392  stat->lastlowerbound = -SCIPsetInfinity(set);
393  stat->lastupperbound = SCIPsetInfinity(set);
394 
395  /* partial resets keep the integral value and previous evaluation time */
396  if( !partialreset )
397  {
398  stat->previntegralevaltime = 0.0;
399  stat->dualrefintegral = 0.0;
400  stat->primalrefintegral = 0.0;
401  stat->primaldualintegral = 0.0;
402  }
403 }
404 
405 /** returns the gap bounded by 100 */
406 static
408  SCIP_SET* set, /**< global SCIP settings */
409  SCIP_Real primalbound, /**< current primal bound */
410  SCIP_Real dualbound, /**< current dual bound */
411  SCIP_Real upperbound, /**< current upper bound in transformed problem, or infinity */
412  SCIP_Real lowerbound /**< current lower bound in transformed space, or -infinity */
413  )
414 {
415  SCIP_Real gap;
416 
417  /* computation of the gap, special cases are handled first */
418  if( primalbound >= SCIP_UNKNOWN || dualbound >= SCIP_UNKNOWN ) /*lint !e777*/
419  gap = 100.0;
420  /* the gap is 0.0 if bounds coincide */
421  else if( SCIPsetIsGE(set, lowerbound, upperbound) || SCIPsetIsEQ(set, primalbound, dualbound) )
422  gap = 0.0;
423  /* the gap is 100.0 if bounds have different signs */
424  else if( primalbound * dualbound <= 0.0 ) /*lint !e777*/
425  gap = 100.0;
426  else if( !SCIPsetIsInfinity(set, REALABS(primalbound)) && !SCIPsetIsInfinity(set, REALABS(dualbound)) )
427  {
428  SCIP_Real absprim = REALABS(primalbound);
429  SCIP_Real absdual = REALABS(dualbound);
430 
431  /* The gap in the definition of the primal-dual integral differs from the default SCIP gap function.
432  * Here, the MAX(primalbound, dualbound) is taken for gap quotient in order to ensure a gap <= 100.
433  */
434  gap = 100.0 * REALABS(primalbound - dualbound) / MAX(absprim, absdual);
435  assert(SCIPsetIsLE(set, gap, 100.0));
436  }
437  else
438  gap = 100.0;
439 
440  return gap;
441 }
442 
443 /** update the primal-dual, primal-reference, and reference-dual integral statistics.
444  * method accepts + and - SCIPsetInfinity() as values for upper and lower bound, respectively
445  */
447  SCIP_STAT* stat, /**< problem statistics data */
448  SCIP_SET* set, /**< global SCIP settings */
449  SCIP_PROB* transprob, /**< transformed problem */
450  SCIP_PROB* origprob, /**< original problem */
451  SCIP_Real upperbound, /**< current upper bound in transformed problem, or infinity */
452  SCIP_Real lowerbound /**< current lower bound in transformed space, or -infinity */
453  )
454 {
455  SCIP_Real currentgap;
456  SCIP_Real currentdualrefgap;
457  SCIP_Real currentprimalrefgap;
458  SCIP_Real solvingtime;
459  SCIP_Real primalbound;
460  SCIP_Real dualbound;
461  SCIP_Real deltatime;
462 
463  assert(stat != NULL);
464  assert(set != NULL);
465 
466  solvingtime = SCIPclockGetTime(stat->solvingtime);
467  assert(solvingtime >= stat->previntegralevaltime);
468 
469  if( !SCIPsetIsInfinity(set, upperbound) ) /*lint !e777*/
470  {
471  /* get value in original space for gap calculation */
472  primalbound = SCIPprobExternObjval(transprob, origprob, set, upperbound);
473 
474  if( SCIPsetIsZero(set, primalbound) )
475  primalbound = 0.0;
476  }
477  else
478  {
479  /* no new upper bound: use stored values from last update */
480  upperbound = stat->lastupperbound;
481  primalbound = stat->lastprimalbound;
482  assert(SCIPsetIsZero(set, primalbound) == (primalbound == 0.0)); /*lint !e777*/
483  }
484 
485  if( !SCIPsetIsInfinity(set, -lowerbound) ) /*lint !e777*/
486  {
487  /* get value in original space for gap calculation */
488  dualbound = SCIPprobExternObjval(transprob, origprob, set, lowerbound);
489 
490  if( SCIPsetIsZero(set, dualbound) )
491  dualbound = 0.0;
492  }
493  else
494  {
495  /* no new lower bound: use stored values from last update */
496  lowerbound = stat->lastlowerbound;
497  dualbound = stat->lastdualbound;
498  assert(SCIPsetIsZero(set, dualbound) == (dualbound == 0.0)); /*lint !e777*/
499  }
500 
501  /* calculate primal-dual and dual reference gap */
502  currentgap = getGap(set, primalbound, dualbound, upperbound, lowerbound);
503 
504  /* if primal and dual bound have opposite signs, the gap always evaluates to 100.0% */
505  assert(currentgap == 0.0 || currentgap == 100.0 || SCIPsetIsGE(set, primalbound * dualbound, 0.0));
506 
507  /* update the integral based on previous information */
508  deltatime = solvingtime - stat->previntegralevaltime;
509  stat->primaldualintegral += deltatime * stat->previousgap;
510  stat->dualrefintegral += deltatime * stat->previousdualrefgap;
511  stat->primalrefintegral += deltatime * stat->previousprimalrefgap;
512 
513  if( !SCIPsetIsInfinity(set, REALABS(set->misc_referencevalue)) )
514  {
515  currentdualrefgap = getGap(set, set->misc_referencevalue, dualbound, upperbound, lowerbound);
516  assert(currentdualrefgap == 0.0 || currentdualrefgap == 100.0 || SCIPsetIsGE(set, set->misc_referencevalue * dualbound, 0.0));
517 
518  currentprimalrefgap = getGap(set, primalbound, set->misc_referencevalue, upperbound, lowerbound);
519  assert(currentprimalrefgap == 0.0 || currentprimalrefgap == 100.0 || SCIPsetIsGE(set, primalbound * set->misc_referencevalue, 0.0));
520  }
521  else
522  {
523  currentdualrefgap = 100.0;
524  currentprimalrefgap = 100.0;
525  }
526 
527  /* update all relevant information for next evaluation */
528  stat->previousgap = currentgap;
529  stat->previousdualrefgap = currentdualrefgap;
530  stat->previousprimalrefgap = currentprimalrefgap;
531  stat->previntegralevaltime = solvingtime;
532  stat->lastprimalbound = primalbound;
533  stat->lastdualbound = dualbound;
534  stat->lastlowerbound = lowerbound;
535  stat->lastupperbound = upperbound;
536 }
537 
538 /** optionally update and return the reference-dual integral statistic */
540  SCIP_STAT* stat, /**< problem statistics data */
541  SCIP_SET* set, /**< global SCIP settings */
542  SCIP_PROB* transprob, /**< transformed problem */
543  SCIP_PROB* origprob, /**< original problem */
544  SCIP_Bool update /**< should the value be updated first? */
545  )
546 {
547  assert(stat != NULL);
548  assert(set != NULL);
549  assert(transprob != NULL);
550  assert(origprob != NULL);
551 
552  /* update the reference-dual integral first */
553  if( update )
554  SCIPstatUpdatePrimalDualIntegrals(stat, set, transprob, origprob, SCIPsetInfinity(set), -SCIPsetInfinity(set));
555 
556  return stat->dualrefintegral;
557 }
558 
559 /** optionally update and return the primal-reference integral statistic */
561  SCIP_STAT* stat, /**< problem statistics data */
562  SCIP_SET* set, /**< global SCIP settings */
563  SCIP_PROB* transprob, /**< transformed problem */
564  SCIP_PROB* origprob, /**< original problem */
565  SCIP_Bool update /**< should the value be updated first? */
566  )
567 {
568  assert(stat != NULL);
569  assert(set != NULL);
570  assert(transprob != NULL);
571  assert(origprob != NULL);
572 
573  /* update the primal-reference integral first */
574  if( update )
575  SCIPstatUpdatePrimalDualIntegrals(stat, set, transprob, origprob, SCIPsetInfinity(set), -SCIPsetInfinity(set));
576 
577  return stat->primalrefintegral;
578 }
579 
580 /** optionally update and return the primal-dual integral statistic */
582  SCIP_STAT* stat, /**< problem statistics data */
583  SCIP_SET* set, /**< global SCIP settings */
584  SCIP_PROB* transprob, /**< transformed problem */
585  SCIP_PROB* origprob, /**< original problem */
586  SCIP_Bool update /**< should the value be updated first? */
587  )
588 {
589  assert(stat != NULL);
590  assert(set != NULL);
591  assert(transprob != NULL);
592  assert(origprob != NULL);
593 
594  /* update the primal dual reference integral first */
595  if( update )
596  SCIPstatUpdatePrimalDualIntegrals(stat, set, transprob, origprob, SCIPsetInfinity(set), -SCIPsetInfinity(set));
597 
598  return stat->primaldualintegral;
599 }
600 
601 /** reset current branch and bound run specific statistics */
603  SCIP_STAT* stat, /**< problem statistics data */
604  SCIP_SET* set, /**< global SCIP settings */
605  SCIP_PROB* transprob, /**< transformed problem, or NULL */
606  SCIP_PROB* origprob, /**< original problem, or NULL */
607  SCIP_Bool solved /**< is problem already solved? */
608  )
609 {
610  assert(stat != NULL);
611 
612  stat->nnodes = 0;
613  stat->ninternalnodes = 0;
614  stat->ncreatednodesrun = 0;
615  stat->nactivatednodes = 0;
616  stat->ndeactivatednodes = 0;
617  stat->nbacktracks = 0;
618  stat->ndelayedcutoffs = 0;
619  stat->nreprops = 0;
620  stat->nrepropboundchgs = 0;
621  stat->nrepropcutoffs = 0;
622  stat->lastdivenode = 0;
623  stat->lastconflictnode = 0;
624  stat->bestsolnode = 0;
628  stat->lastbranchvar = NULL;
630  stat->nrootboundchgsrun = 0;
631  stat->nrootintfixingsrun = 0;
632  stat->npricerounds = 0;
633  stat->nseparounds = 0;
634  stat->maxdepth = -1;
635  stat->plungedepth = 0;
636  stat->nobjleaves = 0;
637  stat->ninfeasleaves = 0;
638  stat->nfeasleaves = 0;
639  stat->branchedunbdvar = FALSE;
640  stat->nnumtroublelpmsgs = 0;
641 
642  stat->nearlybacktracks = 0;
643  stat->nnodesaboverefbound = 0;
644 
645  assert(transprob == NULL || origprob != NULL);
646  /* calculate the reference bound in transformed space from the reference value */
647  if( transprob != NULL && !SCIPsetIsInfinity(set, SCIPsetGetReferencevalue(set)) )
648  stat->referencebound = SCIPprobInternObjval(transprob, origprob, set, SCIPsetGetReferencevalue(set));
649  else
650  stat->referencebound = SCIPsetInfinity(set);
651 
652  if( !solved )
653  stat->status = SCIP_STATUS_UNKNOWN;
654 
656 
658 
659  SCIPstatResetDisplay(stat);
660 }
661 
662 /** resets display statistics, such that a new header line is displayed before the next display line */
664  SCIP_STAT* stat /**< problem statistics data */
665  )
666 {
667  assert(stat != NULL);
668 
669  stat->lastdispnode = 0;
670  stat->ndisplines = 0;
671 }
672 
673 /** increases LP count, such that all lazy updates depending on the LP are enforced again */
675  SCIP_STAT* stat /**< problem statistics data */
676  )
677 {
678  assert(stat != NULL);
679 
680  stat->lpcount++;
681 }
682 
683 /** depending on the current memory usage, switches mode flag to standard or memory saving mode */
685  SCIP_STAT* stat, /**< problem statistics data */
686  SCIP_SET* set, /**< global SCIP settings */
687  SCIP_MESSAGEHDLR* messagehdlr, /**< message handler */
688  SCIP_MEM* mem /**< block memory pools */
689  )
690 {
691  assert(stat != NULL);
692  assert(set != NULL);
693 
694  if( SCIPsetIsLT(set, set->mem_savefac, 1.0) )
695  {
696  SCIP_Longint memused;
697 
698  memused = SCIPmemGetTotal(mem);
699  if( !stat->memsavemode && memused >= set->mem_savefac * set->limit_memory * 1024.0 * 1024.0 )
700  {
701  /* switch to memory saving mode */
702  SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_HIGH,
703  "(node %" SCIP_LONGINT_FORMAT ") switching to memory saving mode (mem: %.1fM/%.1fM)\n",
704  stat->nnodes, (SCIP_Real)memused/(1024.0*1024.0), set->limit_memory);
705  stat->memsavemode = TRUE;
706  set->nodesel = NULL;
707  }
708  else if( stat->memsavemode && memused < 0.5 * set->mem_savefac * set->limit_memory * 1024.0 * 1024.0 )
709  {
710  /* switch to standard mode */
711  SCIPmessagePrintVerbInfo(messagehdlr, set->disp_verblevel, SCIP_VERBLEVEL_HIGH,
712  "(node %" SCIP_LONGINT_FORMAT ") switching to standard mode (mem: %.1fM/%.1fM)\n",
713  stat->nnodes, (SCIP_Real)memused/(1024.0*1024.0), set->limit_memory);
714  stat->memsavemode = FALSE;
715  set->nodesel = NULL;
716  }
717  }
718  else
719  stat->memsavemode = FALSE;
720 }
721 
722 /** returns the estimated number of bytes used by extern software, e.g., the LP solver */
724  SCIP_STAT* stat /**< dynamic SCIP statistics */
725  )
726 {
727  return stat->externmemestim;
728 }
729 
730 /** enables or disables all statistic clocks of \p stat concerning LP execution time, strong branching time, etc.
731  *
732  * @note: The (pre-)solving time clocks which are relevant for the output during (pre-)solving
733  * are not affected by this method
734  *
735  * @see: For completely disabling all timing of SCIP, consider setting the parameter timing/enabled to FALSE
736  */
738  SCIP_STAT* stat, /**< SCIP statistics */
739  SCIP_Bool enable /**< should the LP clocks be enabled? */
740  )
741 {
742  assert(stat != NULL);
743 
744  SCIPclockEnableOrDisable(stat->primallptime, enable);
745  SCIPclockEnableOrDisable(stat->duallptime, enable);
749  SCIPclockEnableOrDisable(stat->divinglptime, enable);
752  SCIPclockEnableOrDisable(stat->lpsoltime, enable);
753  SCIPclockEnableOrDisable(stat->relaxsoltime, enable);
755  SCIPclockEnableOrDisable(stat->sbsoltime, enable);
757  SCIPclockEnableOrDisable(stat->nlpsoltime, enable);
758  SCIPclockEnableOrDisable(stat->copyclock, enable);
760 }
761 
762 /** recompute root LP best-estimate from scratch */
764  SCIP_STAT* stat, /**< SCIP statistics */
765  SCIP_SET* set, /**< global SCIP settings */
766  SCIP_Real rootlpobjval, /**< root LP objective value */
767  SCIP_VAR** vars, /**< problem variables */
768  int nvars /**< number of variables */
769  )
770 {
771  int v;
772  stat->rootlpbestestimate = rootlpobjval;
773 
774  /* compute best-estimate contribution for every variable */
775  for( v = 0; v < nvars; ++v )
776  {
777  SCIP_Real rootlpsol;
778  SCIP_Real varminpseudoscore;
779 
780  /* stop at the first continuous variable */
781  if( !SCIPvarIsIntegral(vars[v]) )
782  break;
783 
784  rootlpsol = SCIPvarGetRootSol(vars[v]);
785  varminpseudoscore = SCIPvarGetMinPseudocostScore(vars[v], stat, set, rootlpsol);
786  assert(varminpseudoscore >= 0);
787  stat->rootlpbestestimate += varminpseudoscore;
788 
789  SCIPstatDebugMsg(stat, "Root LP Estimate initialization: <%s> + %15.9f\n", SCIPvarGetName(vars[v]), varminpseudoscore);
790  }
791 }
792 
793 /** update root LP best-estimate with changed variable pseudo-costs */
795  SCIP_STAT* stat, /**< SCIP statistics */
796  SCIP_SET* set, /**< global SCIP settings */
797  SCIP_VAR* var, /**< variable with changed pseudo costs */
798  SCIP_Real oldrootpscostscore /**< old minimum pseudo cost score of variable */
799  )
800 {
801  SCIP_Real rootlpsol;
802  SCIP_Real varminpseudoscore;
803 
805 
806  /* entire root LP best-estimate must be computed from scratch first */
807  if( stat->rootlpbestestimate == SCIP_INVALID ) /*lint !e777*/
808  return SCIP_OKAY;
809 
810  rootlpsol = SCIPvarGetRootSol(var);
811 
812  /* LP root estimate only works for variables with fractional LP root solution */
813  if( SCIPsetIsFeasIntegral(set, rootlpsol) )
814  return SCIP_OKAY;
815 
816  /* subtract old pseudo cost contribution and add new contribution afterwards */
817  stat->rootlpbestestimate -= oldrootpscostscore;
818 
819  varminpseudoscore = SCIPvarGetMinPseudocostScore(var, stat, set, rootlpsol);
820  assert(varminpseudoscore >= 0.0);
821  stat->rootlpbestestimate += varminpseudoscore;
822 
823  SCIPstatDebugMsg(stat, "Root LP estimate update: <%s> - %15.9f + %15.9f\n", SCIPvarGetName(var), oldrootpscostscore, varminpseudoscore);
824 
825  return SCIP_OKAY;
826 }
827 
828 /** prints a debug message */
830  SCIP_STAT* stat, /**< SCIP statistics */
831  const char* sourcefile, /**< name of the source file that called the function */
832  int sourceline, /**< line in the source file where the function was called */
833  const char* formatstr, /**< format string like in printf() function */
834  ... /**< format arguments line in printf() function */
835  )
836 {
837  va_list ap;
838 
839  assert( sourcefile != NULL );
840  assert( stat != NULL );
841 
842  if ( stat->subscipdepth > 0 )
843  printf("%d: [%s:%d] debug: ", stat->subscipdepth, sourcefile, sourceline);
844  else
845  printf("[%s:%d] debug: ", sourcefile, sourceline);
846 
847  va_start(ap, formatstr); /*lint !e838*/
848  printf(formatstr, ap);
849  va_end(ap);
850 }
851 
852 /** prints a debug message without precode */
854  SCIP_STAT* stat, /**< SCIP statistics */
855  const char* formatstr, /**< format string like in printf() function */
856  ... /**< format arguments line in printf() function */
857  )
858 { /*lint --e{715}*/
859  va_list ap;
860 
861  assert(stat != NULL);
862 
863  va_start(ap, formatstr); /*lint !e838*/
864  printf(formatstr, ap);
865  va_end(ap);
866 }
SCIP_Longint nlexduallps
Definition: struct_stat.h:186
SCIP_Longint nprimallps
Definition: struct_stat.h:182
SCIP_RETCODE SCIPvisualCreate(SCIP_VISUAL **visual, SCIP_MESSAGEHDLR *messagehdlr)
Definition: visual.c:76
SCIP_Longint ndualresolvelpiterations
Definition: struct_stat.h:61
SCIP_Real lastupperbound
Definition: struct_stat.h:142
SCIP_Longint nsbdivinglps
Definition: struct_stat.h:197
int npresoladdconss
Definition: struct_stat.h:240
SCIP_Bool SCIPsetIsInfinity(SCIP_SET *set, SCIP_Real val)
Definition: set.c:5980
SCIP_Longint ninfeasleaves
Definition: struct_stat.h:77
SCIP_Real firstlpdualbound
Definition: struct_stat.h:118
int npresolroundsfast
Definition: struct_stat.h:231
SCIP_Longint nnodelpiterations
Definition: struct_stat.h:63
int marked_ncolidx
Definition: struct_stat.h:219
SCIP_Bool SCIPsetIsLE(SCIP_SET *set, SCIP_Real val1, SCIP_Real val2)
Definition: set.c:6038
void SCIPstatEnableVarHistory(SCIP_STAT *stat)
Definition: stat.c:157
SCIP_Longint nlpsolsfound
Definition: struct_stat.h:92
void SCIPstatPrintDebugMessage(SCIP_STAT *stat, const char *sourcefile, int sourceline, const char *formatstr,...)
Definition: stat.c:829
int solindex
Definition: struct_stat.h:258
SCIP_Longint nsbdowndomchgs
Definition: struct_stat.h:110
SCIP_STATUS status
Definition: struct_stat.h:174
SCIP_Longint nlpiterations
Definition: struct_stat.h:53
void SCIPstatComputeRootLPBestEstimate(SCIP_STAT *stat, SCIP_SET *set, SCIP_Real rootlpobjval, SCIP_VAR **vars, int nvars)
Definition: stat.c:763
SCIP_Longint externmemestim
Definition: struct_stat.h:116
SCIP_Real primalrefintegral
Definition: struct_stat.h:133
SCIP_Longint nfeasleaves
Definition: struct_stat.h:76
SCIP_Real SCIPstatGetPrimalReferenceIntegral(SCIP_STAT *stat, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_Bool update)
Definition: stat.c:560
SCIP_Longint nnumtroublelpmsgs
Definition: struct_stat.h:198
SCIP_Longint ndeactivatednodes
Definition: struct_stat.h:84
SCIP_Longint nlexdualresolvelps
Definition: struct_stat.h:191
int npricerounds
Definition: struct_stat.h:221
SCIP_Longint relaxcount
Definition: struct_stat.h:179
#define SCIPstatDebugMsg
Definition: stat.h:313
SCIP_Longint nlps
Definition: struct_stat.h:180
static SCIP_Real getGap(SCIP_SET *set, SCIP_Real primalbound, SCIP_Real dualbound, SCIP_Real upperbound, SCIP_Real lowerbound)
Definition: stat.c:407
SCIP_Longint nbarrierlpiterations
Definition: struct_stat.h:59
SCIP_Longint ninitconssadded
Definition: struct_stat.h:114
SCIP_CLOCK * conflictlptime
Definition: struct_stat.h:159
int nrunsbeforefirst
Definition: struct_stat.h:259
SCIP_Real rootlowerbound
Definition: struct_stat.h:119
internal methods for clocks and timing issues
void SCIPstatUpdateMemsaveMode(SCIP_STAT *stat, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, SCIP_MEM *mem)
Definition: stat.c:684
SCIP_Longint ntotalnodes
Definition: struct_stat.h:78
SCIP_Real previntegralevaltime
Definition: struct_stat.h:138
int npresolaggrvars
Definition: struct_stat.h:235
SCIP_Real lastbranchvalue
Definition: struct_stat.h:131
SCIP_Longint nrootfirstlpiterations
Definition: struct_stat.h:55
SCIP_Longint ndivinglps
Definition: struct_stat.h:195
SCIP_Longint nsbtimesiterlimhit
Definition: struct_stat.h:112
SCIP_RETCODE SCIPregressionCreate(SCIP_REGRESSION **regression)
Definition: misc.c:405
SCIP_BRANCHDIR lastbranchdir
Definition: struct_stat.h:175
int npresolfixedvars
Definition: struct_stat.h:234
void SCIPstatDisableVarHistory(SCIP_STAT *stat)
Definition: stat.c:147
SCIP_Real lastsolgap
Definition: struct_stat.h:124
SCIP_Longint nrootstrongbranchs
Definition: struct_stat.h:200
SCIP_Real SCIPsetInfinity(SCIP_SET *set)
Definition: set.c:5845
SCIP_Longint nactiveconssadded
Definition: struct_stat.h:115
int nclockskipsleft
Definition: struct_stat.h:263
int npresoldelconss
Definition: struct_stat.h:239
SCIP_Longint nstrongbranchs
Definition: struct_stat.h:199
SCIP_Longint nholechgs
Definition: struct_stat.h:107
SCIP_RETCODE SCIPhistoryCreate(SCIP_HISTORY **history, BMS_BLKMEM *blkmem)
Definition: history.c:42
SCIP_Longint nrootsblpiterations
Definition: struct_stat.h:69
void SCIPvisualFree(SCIP_VISUAL **visual)
Definition: visual.c:97
#define FALSE
Definition: def.h:73
void SCIPstatEnableOrDisableStatClocks(SCIP_STAT *stat, SCIP_Bool enable)
Definition: stat.c:737
SCIP_Bool SCIPsetIsFeasIntegral(SCIP_SET *set, SCIP_Real val)
Definition: set.c:6521
SCIP_Longint nrootlps
Definition: struct_stat.h:181
SCIP_Longint ncreatednodes
Definition: struct_stat.h:81
void SCIPhistoryReset(SCIP_HISTORY *history)
Definition: history.c:69
SCIP_Real primaldualintegral
Definition: struct_stat.h:134
SCIP_Bool SCIPsetIsZero(SCIP_SET *set, SCIP_Real val)
Definition: set.c:6092
#define TRUE
Definition: def.h:72
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:54
int nenabledconss
Definition: struct_stat.h:228
SCIP_Longint nnlps
Definition: struct_stat.h:202
void SCIPstatResetImplications(SCIP_STAT *stat)
Definition: stat.c:340
SCIP_Real SCIPprobInternObjval(SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_SET *set, SCIP_Real objval)
Definition: prob.c:2104
SCIP_Longint nbacktracks
Definition: struct_stat.h:87
public methods for problem variables
SCIP_Real previousdualrefgap
Definition: struct_stat.h:136
int maxtotaldepth
Definition: struct_stat.h:225
SCIP_CLOCK * barrierlptime
Definition: struct_stat.h:155
int ndisplines
Definition: struct_stat.h:223
SCIP_EXPORT SCIP_VARSTATUS SCIPvarGetStatus(SCIP_VAR *var)
Definition: var.c:17136
SCIP_Longint lastdispnode
Definition: struct_stat.h:101
SCIP_Longint nnodesaboverefbound
Definition: struct_stat.h:86
int npresolroundsext
Definition: struct_stat.h:233
methods for creating output for visualization tools (VBC, BAK)
void SCIPclockEnableOrDisable(SCIP_CLOCK *clck, SCIP_Bool enable)
Definition: clock.c:251
SCIP_CLOCK * copyclock
Definition: struct_stat.h:166
SCIP_Real rootlpbestestimate
Definition: struct_stat.h:143
#define BMSfreeMemory(ptr)
Definition: memory.h:137
int maxdepth
Definition: struct_stat.h:224
SCIP_CLOCK * nlpsoltime
Definition: struct_stat.h:165
SCIP_Real lastdualbound
Definition: struct_stat.h:140
SCIP_Longint nlpbestsolsfound
Definition: struct_stat.h:96
SCIP_Real dualzeroittime
Definition: struct_stat.h:126
Definition: heur_padm.c:125
SCIP_Longint nexternalsolsfound
Definition: struct_stat.h:100
void SCIPstatEnforceLPUpdates(SCIP_STAT *stat)
Definition: stat.c:674
internal methods for branching and inference history
int nrootintfixings
Definition: struct_stat.h:212
SCIP_Longint ntotalnodesmerged
Definition: struct_stat.h:80
SCIP_Longint nsblpiterations
Definition: struct_stat.h:68
SCIP_Real primalzeroittime
Definition: struct_stat.h:125
int nrootboundchgs
Definition: struct_stat.h:210
SCIP_Bool SCIPsetIsGE(SCIP_SET *set, SCIP_Real val1, SCIP_Real val2)
Definition: set.c:6074
SCIP_HISTORY * glbhistorycrun
Definition: struct_stat.h:170
SCIP_EXPORT SCIP_Real SCIPvarGetRootSol(SCIP_VAR *var)
Definition: var.c:13119
int ncutpoolfails
Definition: struct_stat.h:208
SCIP_Real avgnnz
Definition: struct_stat.h:117
int nconfrestarts
Definition: struct_stat.h:209
SCIP_Longint nlexduallpiterations
Definition: struct_stat.h:58
SCIP_Bool SCIPsetIsLT(SCIP_SET *set, SCIP_Real val1, SCIP_Real val2)
Definition: set.c:6020
SCIP_CLOCK * strongpropclock
Definition: struct_stat.h:167
int npresolchgcoefs
Definition: struct_stat.h:242
int npresolchgvartypes
Definition: struct_stat.h:236
SCIP_RETCODE SCIPstatUpdateVarRootLPBestEstimate(SCIP_STAT *stat, SCIP_SET *set, SCIP_VAR *var, SCIP_Real oldrootpscostscore)
Definition: stat.c:794
SCIP_Real barrierzeroittime
Definition: struct_stat.h:127
SCIP_Longint nobjleaves
Definition: struct_stat.h:75
SCIP_Longint npssolsfound
Definition: struct_stat.h:94
void SCIPregressionReset(SCIP_REGRESSION *regression)
Definition: misc.c:389
SCIP_EXPORT const char * SCIPvarGetName(SCIP_VAR *var)
Definition: var.c:17017
SCIP_Real mincopytime
Definition: struct_stat.h:129
int npresolroundsmed
Definition: struct_stat.h:232
int prevrunnvars
Definition: struct_stat.h:214
SCIP_EXPORT SCIP_Bool SCIPvarIsIntegral(SCIP_VAR *var)
Definition: var.c:17208
internal methods for storing and manipulating the main problem
void SCIPmessagePrintVerbInfo(SCIP_MESSAGEHDLR *messagehdlr, SCIP_VERBLEVEL verblevel, SCIP_VERBLEVEL msgverblevel, const char *formatstr,...)
Definition: message.c:669
void SCIPstatResetCurrentRun(SCIP_STAT *stat, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_Bool solved)
Definition: stat.c:602
SCIP_Longint lpcount
Definition: struct_stat.h:178
SCIP_RETCODE SCIPstatFree(SCIP_STAT **stat, BMS_BLKMEM *blkmem)
Definition: stat.c:105
int ndivesetcalls
Definition: struct_stat.h:206
methods for block memory pools and memory buffers
SCIP_Longint bestsolnode
Definition: struct_stat.h:104
void SCIPclockReset(SCIP_CLOCK *clck)
Definition: clock.c:200
SCIP_Longint nconflictlpiterations
Definition: struct_stat.h:70
int npresolchgsides
Definition: struct_stat.h:243
SCIP_CLOCK * pseudosoltime
Definition: struct_stat.h:162
void SCIPstatReset(SCIP_STAT *stat, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob)
Definition: stat.c:179
SCIP_Longint nrelaxbestsolsfound
Definition: struct_stat.h:97
SCIP_Longint nsbupdomchgs
Definition: struct_stat.h:111
SCIP_HEUR * firstprimalheur
Definition: struct_stat.h:173
SCIP_Longint ninitlpiterations
Definition: struct_stat.h:64
SCIP_LPSOLSTAT lastsblpsolstats[2]
Definition: struct_stat.h:176
SCIP_Real SCIPclockGetTime(SCIP_CLOCK *clck)
Definition: clock.c:429
SCIP_Longint nsbdivinglpiterations
Definition: struct_stat.h:67
SCIP_REGRESSION * regressioncandsobjval
Definition: struct_stat.h:52
#define NULL
Definition: lpi_spx1.cpp:155
SCIP_Longint nprimalresolvelpiterations
Definition: struct_stat.h:60
int nseparounds
Definition: struct_stat.h:222
SCIP_HISTORY * glbhistory
Definition: struct_stat.h:169
SCIP_Bool userinterrupt
Definition: struct_stat.h:265
#define REALABS(x)
Definition: def.h:187
SCIP_Longint nconflictlps
Definition: struct_stat.h:201
int npresolchgbds
Definition: struct_stat.h:237
internal methods for global SCIP settings
#define SCIP_CALL(x)
Definition: def.h:364
int npresoladdholes
Definition: struct_stat.h:238
int marked_nvaridx
Definition: struct_stat.h:218
SCIP_Longint nsbbestsolsfound
Definition: struct_stat.h:99
SCIP_Longint nduallpiterations
Definition: struct_stat.h:57
SCIP_Longint nbarrierzeroitlps
Definition: struct_stat.h:188
SCIP_Real SCIPvarGetMinPseudocostScore(SCIP_VAR *var, SCIP_STAT *stat, SCIP_SET *set, SCIP_Real solval)
Definition: var.c:14426
SCIP_Bool SCIPsetIsEQ(SCIP_SET *set, SCIP_Real val1, SCIP_Real val2)
Definition: set.c:6002
SCIP_Real vsidsweight
Definition: struct_stat.h:120
SCIP_Real previousprimalrefgap
Definition: struct_stat.h:137
void SCIPstatResetDisplay(SCIP_STAT *stat)
Definition: stat.c:663
SCIP_Longint ncreatednodesrun
Definition: struct_stat.h:82
SCIP_Longint nprimalresolvelps
Definition: struct_stat.h:189
SCIP_Longint nresolveinstablelps
Definition: struct_stat.h:71
SCIP_CLOCK * divinglptime
Definition: struct_stat.h:157
SCIP_Longint nprobboundchgs
Definition: struct_stat.h:108
SCIP_RETCODE SCIPclockCreate(SCIP_CLOCK **clck, SCIP_CLOCKTYPE clocktype)
Definition: clock.c:161
SCIP_Longint nduallps
Definition: struct_stat.h:184
internal methods for problem variables
#define SCIP_UNKNOWN
Definition: def.h:184
SCIP_Bool userrestart
Definition: struct_stat.h:266
SCIP_Real bestefficacy
Definition: struct_stat.h:145
SCIP_Longint nisstoppedcalls
Definition: struct_stat.h:203
public data structures and miscellaneous methods
#define SCIP_Bool
Definition: def.h:70
SCIP_Real lastprimalbound
Definition: struct_stat.h:139
SCIP_Longint ndivesetlpiterations
Definition: struct_stat.h:66
SCIP_Longint ndualresolvelps
Definition: struct_stat.h:190
SCIP_CLOCK * sbsoltime
Definition: struct_stat.h:163
SCIP_Longint ndivesetlps
Definition: struct_stat.h:196
SCIP_Real minefficacyfac
Definition: struct_stat.h:146
SCIP_CLOCK * presolvingtime
Definition: struct_stat.h:150
SCIP_Bool memsavemode
Definition: struct_stat.h:264
int npresolrounds
Definition: struct_stat.h:230
SCIP_Longint nearlybacktracks
Definition: struct_stat.h:85
SCIP_Longint nlexdualresolvelpiterations
Definition: struct_stat.h:62
SCIP_Bool branchedunbdvar
Definition: struct_stat.h:270
SCIP_Real lastlowerbound
Definition: struct_stat.h:141
SCIP_RETCODE SCIPstatCreate(SCIP_STAT **stat, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_MESSAGEHDLR *messagehdlr)
Definition: stat.c:46
void SCIPclockFree(SCIP_CLOCK **clck)
Definition: clock.c:176
int marked_nrowidx
Definition: struct_stat.h:220
SCIP_Longint nrepropcutoffs
Definition: struct_stat.h:91
#define MAX(x, y)
Definition: tclique_def.h:83
SCIP_Longint lastdivenode
Definition: struct_stat.h:102
SCIP_Longint nresolveinstablelpiters
Definition: struct_stat.h:72
SCIP_Real maxcopytime
Definition: struct_stat.h:128
SCIP_CLOCK * resolveinstablelptime
Definition: struct_stat.h:156
datastructures for problem statistics
SCIP_CLOCK * relaxsoltime
Definition: struct_stat.h:161
SCIP_Real SCIPsetGetReferencevalue(SCIP_SET *set)
Definition: set.c:5726
SCIP_Longint nnz
Definition: struct_stat.h:177
void SCIPregressionFree(SCIP_REGRESSION **regression)
Definition: misc.c:421
SCIP_CLOCK * lexduallptime
Definition: struct_stat.h:154
SCIP_Longint nnodesbeforefirst
Definition: struct_stat.h:113
void SCIPstatResetPrimalDualIntegrals(SCIP_STAT *stat, SCIP_SET *set, SCIP_Bool partialreset)
Definition: stat.c:378
#define SCIP_REAL_MAX
Definition: def.h:164
SCIP_Longint nrootlpiterations
Definition: struct_stat.h:54
SCIP_CLOCK * strongbranchtime
Definition: struct_stat.h:158
#define SCIP_REAL_MIN
Definition: def.h:165
void SCIPstatUpdatePrimalDualIntegrals(SCIP_STAT *stat, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_Real upperbound, SCIP_Real lowerbound)
Definition: stat.c:446
SCIP_Real firstsolgap
Definition: struct_stat.h:123
#define SCIP_DEFAULT_INFINITY
Definition: def.h:168
int nactiveconss
Definition: struct_stat.h:227
void SCIPstatResetPresolving(SCIP_STAT *stat, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob)
Definition: stat.c:350
SCIP_Longint lastconflictnode
Definition: struct_stat.h:103
SCIP_Longint domchgcount
Definition: struct_stat.h:105
SCIP_Longint SCIPmemGetTotal(SCIP_MEM *mem)
Definition: mem.c:99
SCIP_CLOCK * solvingtime
Definition: struct_stat.h:148
SCIP_Longint nbarrierlps
Definition: struct_stat.h:187
SCIP_Longint nprimalzeroitlps
Definition: struct_stat.h:183
SCIP_CLOCK * primallptime
Definition: struct_stat.h:152
SCIP_Longint nnodezeroitlps
Definition: struct_stat.h:193
SCIP_Longint npsbestsolsfound
Definition: struct_stat.h:98
public methods for message output
int nrootboundchgsrun
Definition: struct_stat.h:211
SCIP_Longint nboundchgs
Definition: struct_stat.h:106
#define SCIP_Real
Definition: def.h:163
internal methods for problem statistics
SCIP_Real firstprimaltime
Definition: struct_stat.h:122
SCIP_Real referencebound
Definition: struct_stat.h:144
SCIP_Longint SCIPstatGetMemExternEstim(SCIP_STAT *stat)
Definition: stat.c:723
SCIP_Longint nrepropboundchgs
Definition: struct_stat.h:90
SCIP_Real firstprimalbound
Definition: struct_stat.h:121
SCIP_Longint ntotalinternalnodes
Definition: struct_stat.h:79
#define BMSallocMemory(ptr)
Definition: memory.h:111
#define SCIP_INVALID
Definition: def.h:183
SCIP_CLOCK * duallptime
Definition: struct_stat.h:153
#define SCIP_Longint
Definition: def.h:148
SCIP_Longint nactivatednodes
Definition: struct_stat.h:83
SCIP_VAR * lastbranchvar
Definition: struct_stat.h:171
SCIP_Longint nprimallpiterations
Definition: struct_stat.h:56
SCIP_Longint nreprops
Definition: struct_stat.h:89
SCIP_Longint nsbsolsfound
Definition: struct_stat.h:95
SCIP_Bool disableenforelaxmsg
Definition: struct_stat.h:271
SCIP_CLOCK * nodeactivationtime
Definition: struct_stat.h:164
SCIP_Longint ndualzeroitlps
Definition: struct_stat.h:185
SCIP_Real firstlptime
Definition: struct_stat.h:130
SCIP_Bool collectvarhistory
Definition: struct_stat.h:268
SCIP_Longint ninternalnodes
Definition: struct_stat.h:74
SCIP_Bool performpresol
Definition: struct_stat.h:269
SCIP_Real SCIPprobExternObjval(SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_SET *set, SCIP_Real objval)
Definition: prob.c:2082
SCIP_Real SCIPstatGetPrimalDualIntegral(SCIP_STAT *stat, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_Bool update)
Definition: stat.c:581
int plungedepth
Definition: struct_stat.h:226
SCIP_Bool inrestart
Definition: struct_stat.h:267
SCIP_Real SCIPstatGetDualReferenceIntegral(SCIP_STAT *stat, SCIP_SET *set, SCIP_PROB *transprob, SCIP_PROB *origprob, SCIP_Bool update)
Definition: stat.c:539
SCIP_Real previousgap
Definition: struct_stat.h:135
SCIP_Longint nnodelps
Definition: struct_stat.h:192
SCIP_Longint nnodes
Definition: struct_stat.h:73
int nrootintfixingsrun
Definition: struct_stat.h:213
struct BMS_BlkMem BMS_BLKMEM
Definition: memory.h:429
SCIP_Longint nrelaxsolsfound
Definition: struct_stat.h:93
#define SCIP_ALLOC(x)
Definition: def.h:375
SCIP_Longint nprobholechgs
Definition: struct_stat.h:109
void SCIPhistoryFree(SCIP_HISTORY **history, BMS_BLKMEM *blkmem)
Definition: history.c:57
int npresolupgdconss
Definition: struct_stat.h:241
void SCIPstatMark(SCIP_STAT *stat)
Definition: stat.c:167
datastructures for global SCIP settings
SCIP_Real dualrefintegral
Definition: struct_stat.h:132
int subscipdepth
Definition: struct_stat.h:205
void SCIPstatDebugMessagePrint(SCIP_STAT *stat, const char *formatstr,...)
Definition: stat.c:853
SCIP_Longint ninitlps
Definition: struct_stat.h:194
SCIP_Longint ndelayedcutoffs
Definition: struct_stat.h:88
SCIP_CLOCK * lpsoltime
Definition: struct_stat.h:160
int nimplications
Definition: struct_stat.h:229
SCIP_Longint totaldivesetdepth
Definition: struct_stat.h:204
SCIP_Longint ndivinglpiterations
Definition: struct_stat.h:65