1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 2 /* */ 3 /* This file is part of the program and library */ 4 /* SCIP --- Solving Constraint Integer Programs */ 5 /* */ 6 /* Copyright (c) 2002-2023 Zuse Institute Berlin (ZIB) */ 7 /* */ 8 /* Licensed under the Apache License, Version 2.0 (the "License"); */ 9 /* you may not use this file except in compliance with the License. */ 10 /* You may obtain a copy of the License at */ 11 /* */ 12 /* http://www.apache.org/licenses/LICENSE-2.0 */ 13 /* */ 14 /* Unless required by applicable law or agreed to in writing, software */ 15 /* distributed under the License is distributed on an "AS IS" BASIS, */ 16 /* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */ 17 /* See the License for the specific language governing permissions and */ 18 /* limitations under the License. */ 19 /* */ 20 /* You should have received a copy of the Apache-2.0 license */ 21 /* along with SCIP; see the file LICENSE. If not visit scipopt.org. */ 22 /* */ 23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 24 25 /**@file type_timing.h 26 * @brief timing definitions for SCIP 27 * @author Timo Berthold 28 * @author Matthias Miltenberger 29 * @author Michael Winkler 30 */ 31 32 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/ 33 34 #ifndef __SCIP_TYPE_TIMING_H__ 35 #define __SCIP_TYPE_TIMING_H__ 36 37 #include "scip/def.h" 38 #include "scip/type_result.h" 39 #include "scip/type_scip.h" 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 46 /** presolving execution timing flags 47 * 48 * @note: in contrast to other timings, these timings need to start from 0x0002u in order to avoid confusion with 49 * the now obsolete '(presol)delay' boolean flag used until SCIP version 3.1.1 50 */ 51 #define SCIP_PRESOLTIMING_NONE 0x002u /**< presolving disabled */ 52 #define SCIP_PRESOLTIMING_FAST 0x004u /**< timing for fast presolving methods */ 53 #define SCIP_PRESOLTIMING_MEDIUM 0x008u /**< timing for more expensive presolving methods */ 54 #define SCIP_PRESOLTIMING_EXHAUSTIVE 0x010u /**< timing for most expensive presolving methods */ 55 #define SCIP_PRESOLTIMING_FINAL 0x020u /**< timing for final presolving methods */ 56 57 /** call presolver in every timing */ 58 #define SCIP_PRESOLTIMING_ALWAYS (SCIP_PRESOLTIMING_FAST | SCIP_PRESOLTIMING_MEDIUM | SCIP_PRESOLTIMING_EXHAUSTIVE ) 59 #define SCIP_PRESOLTIMING_MAX (SCIP_PRESOLTIMING_FAST | SCIP_PRESOLTIMING_MEDIUM | SCIP_PRESOLTIMING_EXHAUSTIVE | SCIP_PRESOLTIMING_FINAL) 60 61 typedef unsigned int SCIP_PRESOLTIMING; 62 63 64 /** propagation execution timing flags */ 65 #define SCIP_PROPTIMING_BEFORELP 0x001u /**< call propagator before LP is solved */ 66 #define SCIP_PROPTIMING_DURINGLPLOOP 0x002u /**< call propagator after each LP solving during cut-and-price loop */ 67 #define SCIP_PROPTIMING_AFTERLPLOOP 0x004u /**< call propagator after the cut-and-price loop was finished */ 68 #define SCIP_PROPTIMING_AFTERLPNODE 0x008u /**< call propagator after the processing of a node with solved LP was 69 * finished */ 70 71 /** call propagator regardless of current status */ 72 #define SCIP_PROPTIMING_ALWAYS (SCIP_PROPTIMING_BEFORELP | SCIP_PROPTIMING_DURINGLPLOOP | SCIP_PROPTIMING_AFTERLPLOOP | SCIP_PROPTIMING_AFTERLPNODE ) 73 74 typedef unsigned int SCIP_PROPTIMING; 75 76 77 /** heuristics execution timing flags */ 78 #define SCIP_HEURTIMING_BEFORENODE 0x001u /**< call heuristic before the processing of the node starts */ 79 #define SCIP_HEURTIMING_DURINGLPLOOP 0x002u /**< call heuristic after each LP solving during cut-and-price loop */ 80 #define SCIP_HEURTIMING_AFTERLPLOOP 0x004u /**< call heuristic after the cut-and-price loop was finished */ 81 #define SCIP_HEURTIMING_AFTERLPNODE 0x008u /**< call heuristic after the processing of a node with solved LP was 82 * finished */ 83 #define SCIP_HEURTIMING_AFTERPSEUDONODE 0x010u /**< call heuristic after the processing of a node without solved LP was 84 * finished */ 85 #define SCIP_HEURTIMING_AFTERLPPLUNGE 0x020u /**< call heuristic after the processing of the last node in the current 86 * plunge was finished, and only if the LP was solved for this node */ 87 #define SCIP_HEURTIMING_AFTERPSEUDOPLUNGE 0x040u /**< call heuristic after the processing of the last node in the current 88 * plunge was finished, and only if the LP was not solved for this node */ 89 #define SCIP_HEURTIMING_DURINGPRICINGLOOP 0x080u /**< call heuristic during pricing loop */ 90 #define SCIP_HEURTIMING_BEFOREPRESOL 0x100u /**< call heuristic before presolving */ 91 #define SCIP_HEURTIMING_DURINGPRESOLLOOP 0x200u /**< call heuristic during presolving loop */ 92 #define SCIP_HEURTIMING_AFTERPROPLOOP 0x400u /**< call heuristic after propagation which is performed before solving the LP */ 93 /* it turned out that a heuristic timing DURINGPROPLOOP causes severe troubles with the resolving of propagations */ 94 95 /** call heuristic after the processing of a node was finished */ 96 #define SCIP_HEURTIMING_AFTERNODE (SCIP_HEURTIMING_AFTERLPNODE | SCIP_HEURTIMING_AFTERPSEUDONODE) 97 98 /** call heuristic after the processing of the last node in the current plunge was finished */ 99 #define SCIP_HEURTIMING_AFTERPLUNGE (SCIP_HEURTIMING_AFTERLPPLUNGE | SCIP_HEURTIMING_AFTERPSEUDOPLUNGE) 100 101 typedef unsigned int SCIP_HEURTIMING; 102 103 #ifdef __cplusplus 104 } 105 #endif 106 107 #endif 108