1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 2 /* */ 3 /* This file is part of the program and library */ 4 /* SCIP --- Solving Constraint Integer Programs */ 5 /* */ 6 /* Copyright (C) 2002-2021 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 type_timing.h 17 * @brief timing definitions for SCIP 18 * @author Timo Berthold 19 * @author Matthias Miltenberger 20 * @author Michael Winkler 21 */ 22 23 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/ 24 25 #ifndef __SCIP_TYPE_TIMING_H__ 26 #define __SCIP_TYPE_TIMING_H__ 27 28 #include "scip/def.h" 29 #include "scip/type_result.h" 30 #include "scip/type_scip.h" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 37 /** presolving execution timing flags 38 * 39 * @note: in contrast to other timings, these timings need to start from 0x0002u in order to avoid confusion with 40 * the now obsolete '(presol)delay' boolean flag used until SCIP version 3.1.1 41 */ 42 #define SCIP_PRESOLTIMING_NONE 0x002u /**< presolving disabled */ 43 #define SCIP_PRESOLTIMING_FAST 0x004u /**< timing for fast presolving methods */ 44 #define SCIP_PRESOLTIMING_MEDIUM 0x008u /**< timing for more expensive presolving methods */ 45 #define SCIP_PRESOLTIMING_EXHAUSTIVE 0x010u /**< timing for most expensive presolving methods */ 46 #define SCIP_PRESOLTIMING_FINAL 0x020u /**< timing for final presolving methods */ 47 48 /** call presolver in every timing */ 49 #define SCIP_PRESOLTIMING_ALWAYS (SCIP_PRESOLTIMING_FAST | SCIP_PRESOLTIMING_MEDIUM | SCIP_PRESOLTIMING_EXHAUSTIVE ) 50 #define SCIP_PRESOLTIMING_MAX (SCIP_PRESOLTIMING_FAST | SCIP_PRESOLTIMING_MEDIUM | SCIP_PRESOLTIMING_EXHAUSTIVE | SCIP_PRESOLTIMING_FINAL) 51 52 typedef unsigned int SCIP_PRESOLTIMING; 53 54 55 /** propagation execution timing flags */ 56 #define SCIP_PROPTIMING_BEFORELP 0x001u /**< call propagator before LP is solved */ 57 #define SCIP_PROPTIMING_DURINGLPLOOP 0x002u /**< call propagator after each LP solving during cut-and-price loop */ 58 #define SCIP_PROPTIMING_AFTERLPLOOP 0x004u /**< call propagator after the cut-and-price loop was finished */ 59 #define SCIP_PROPTIMING_AFTERLPNODE 0x008u /**< call propagator after the processing of a node with solved LP was 60 * finished */ 61 62 /** call propagator regardless of current status */ 63 #define SCIP_PROPTIMING_ALWAYS (SCIP_PROPTIMING_BEFORELP | SCIP_PROPTIMING_DURINGLPLOOP | SCIP_PROPTIMING_AFTERLPLOOP | SCIP_PROPTIMING_AFTERLPNODE ) 64 65 typedef unsigned int SCIP_PROPTIMING; 66 67 68 /** heuristics execution timing flags */ 69 #define SCIP_HEURTIMING_BEFORENODE 0x001u /**< call heuristic before the processing of the node starts */ 70 #define SCIP_HEURTIMING_DURINGLPLOOP 0x002u /**< call heuristic after each LP solving during cut-and-price loop */ 71 #define SCIP_HEURTIMING_AFTERLPLOOP 0x004u /**< call heuristic after the cut-and-price loop was finished */ 72 #define SCIP_HEURTIMING_AFTERLPNODE 0x008u /**< call heuristic after the processing of a node with solved LP was 73 * finished */ 74 #define SCIP_HEURTIMING_AFTERPSEUDONODE 0x010u /**< call heuristic after the processing of a node without solved LP was 75 * finished */ 76 #define SCIP_HEURTIMING_AFTERLPPLUNGE 0x020u /**< call heuristic after the processing of the last node in the current 77 * plunge was finished, and only if the LP was solved for this node */ 78 #define SCIP_HEURTIMING_AFTERPSEUDOPLUNGE 0x040u /**< call heuristic after the processing of the last node in the current 79 * plunge was finished, and only if the LP was not solved for this node */ 80 #define SCIP_HEURTIMING_DURINGPRICINGLOOP 0x080u /**< call heuristic during pricing loop */ 81 #define SCIP_HEURTIMING_BEFOREPRESOL 0x100u /**< call heuristic before presolving */ 82 #define SCIP_HEURTIMING_DURINGPRESOLLOOP 0x200u /**< call heuristic during presolving loop */ 83 #define SCIP_HEURTIMING_AFTERPROPLOOP 0x400u /**< call heuristic after propagation which is performed before solving the LP */ 84 /* it turned out that a heuristic timing DURINGPROPLOOP causes severe troubles with the resolving of propagations */ 85 86 /** call heuristic after the processing of a node was finished */ 87 #define SCIP_HEURTIMING_AFTERNODE (SCIP_HEURTIMING_AFTERLPNODE | SCIP_HEURTIMING_AFTERPSEUDONODE) 88 89 /** call heuristic after the processing of the last node in the current plunge was finished */ 90 #define SCIP_HEURTIMING_AFTERPLUNGE (SCIP_HEURTIMING_AFTERLPPLUNGE | SCIP_HEURTIMING_AFTERPSEUDOPLUNGE) 91 92 typedef unsigned int SCIP_HEURTIMING; 93 94 #ifdef __cplusplus 95 } 96 #endif 97 98 #endif 99