public static final class BopParameters.Builder extends com.google.protobuf.GeneratedMessage.Builder<BopParameters.Builder> implements BopParametersOrBuilder
Contains the definitions for all the bop algorithm parameters and their default values. NEXT TAG: 42Protobuf type
operations_research.bop.BopParameters| Modifier and Type | Method and Description |
|---|---|
BopParameters.Builder |
addAllSolverOptimizerSets(java.lang.Iterable<? extends BopSolverOptimizerSet> values)
List of set of optimizers to be run by the solvers.
|
BopParameters.Builder |
addSolverOptimizerSets(BopSolverOptimizerSet.Builder builderForValue)
List of set of optimizers to be run by the solvers.
|
BopParameters.Builder |
addSolverOptimizerSets(BopSolverOptimizerSet value)
List of set of optimizers to be run by the solvers.
|
BopParameters.Builder |
addSolverOptimizerSets(int index,
BopSolverOptimizerSet.Builder builderForValue)
List of set of optimizers to be run by the solvers.
|
BopParameters.Builder |
addSolverOptimizerSets(int index,
BopSolverOptimizerSet value)
List of set of optimizers to be run by the solvers.
|
BopSolverOptimizerSet.Builder |
addSolverOptimizerSetsBuilder()
List of set of optimizers to be run by the solvers.
|
BopSolverOptimizerSet.Builder |
addSolverOptimizerSetsBuilder(int index)
List of set of optimizers to be run by the solvers.
|
BopParameters |
build() |
BopParameters |
buildPartial() |
BopParameters.Builder |
clear() |
BopParameters.Builder |
clearComputeEstimatedImpact()
Compute estimated impact at each iteration when true; only once when false.
|
BopParameters.Builder |
clearDecomposedProblemMinTimeInSeconds()
HACK.
|
BopParameters.Builder |
clearDecomposerNumVariablesThreshold()
Only try to decompose the problem when the number of variables is greater
than the threshold.
|
BopParameters.Builder |
clearDefaultSolverOptimizerSets()
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "]; |
BopParameters.Builder |
clearExploitSymmetryInSatFirstSolution()
If true, find and exploit symmetries in proving satisfiability in the first
problem.
|
BopParameters.Builder |
clearGuidedSatConflictsChunk()
The first solutions based on guided SAT will work in chunk of that many
conflicts at the time.
|
BopParameters.Builder |
clearLogSearchProgress()
Whether the solver should log the search progress to LOG(INFO).
|
BopParameters.Builder |
clearLpMaxDeterministicTime()
The max deterministic time given to the LP solver each time it is called.
|
BopParameters.Builder |
clearMaxDeterministicTime()
Maximum time allowed in deterministic time to solve a problem.
|
BopParameters.Builder |
clearMaxLpSolveForFeasibilityProblems()
The maximum number of time the LP solver will run to feasibility for pure
feasibility problems (with a constant-valued objective function).
|
BopParameters.Builder |
clearMaxNumberOfBacktracksInLs()
Maximum number of backtracks times the number of variables in Local Search,
ie.
|
BopParameters.Builder |
clearMaxNumberOfConflictsForQuickCheck()
The number of conflicts the SAT solver has to solve a random LNS
subproblem for the quick check of infeasibility.
|
BopParameters.Builder |
clearMaxNumberOfConflictsInRandomLns()
The number of conflicts the SAT solver has to solve a random LNS
subproblem.
|
BopParameters.Builder |
clearMaxNumberOfConflictsInRandomSolutionGeneration()
The number of conflicts the SAT solver has to generate a random solution.
|
BopParameters.Builder |
clearMaxNumberOfConsecutiveFailingOptimizerCalls()
Maximum number of consecutive optimizer calls without improving the
current solution.
|
BopParameters.Builder |
clearMaxNumberOfExploredAssignmentsPerTryInLs()
The maximum number of assignments the Local Search iterates on during one
try.
|
BopParameters.Builder |
clearMaxNumBrokenConstraintsInLs()
Abort the LS search tree as soon as strictly more than this number of
constraints are broken.
|
BopParameters.Builder |
clearMaxNumDecisionsInLs()
Maximum number of cascading decisions the solver might use to repair the
current solution in the LS.
|
BopParameters.Builder |
clearMaxTimeInSeconds()
Maximum time allowed in seconds to solve a problem.
|
BopParameters.Builder |
clearNumberOfSolvers()
The number of solvers used to run Bop.
|
BopParameters.Builder |
clearNumBopSolversUsedByDecomposition()
The number of BopSolver created (thread pool workers) used by the integral
solver to solve a decomposed problem.
|
BopParameters.Builder |
clearNumRandomLnsTries()
Number of tries in the random lns.
|
BopParameters.Builder |
clearNumRelaxedVars()
Number of variables to relax in the exhaustive Large Neighborhood Search.
|
BopParameters.Builder |
clearPruneSearchTree()
Avoid exploring both branches (b, a, ...) and (a, b, ...).
|
BopParameters.Builder |
clearRandomSeed()
The seed used to initialize the random generator.
|
BopParameters.Builder |
clearRelativeGapLimit()
Limit used to stop the optimization as soon as the relative gap is smaller
than the given value.
|
BopParameters.Builder |
clearSolverOptimizerSets()
List of set of optimizers to be run by the solvers.
|
BopParameters.Builder |
clearSortConstraintsByNumTerms()
Sort constraints by increasing total number of terms instead of number of
contributing terms.
|
BopParameters.Builder |
clearSynchronizationType()
optional .operations_research.bop.BopParameters.ThreadSynchronizationType synchronization_type = 25 [default = NO_SYNCHRONIZATION]; |
BopParameters.Builder |
clearUseLearnedBinaryClausesInLp()
Whether we use the learned binary clauses in the Linear Relaxation.
|
BopParameters.Builder |
clearUseLpLns()
Use Large Neighborhood Search based on the LP relaxation.
|
BopParameters.Builder |
clearUseLpStrongBranching()
Use strong branching in the linear relaxation optimizer.
|
BopParameters.Builder |
clearUsePotentialOneFlipRepairsInLs()
Whether we keep a list of variable that can potentially repair in one flip
all the current infeasible constraints (such variable must at least appear
in all the infeasible constraints for this to happen).
|
BopParameters.Builder |
clearUseRandomLns()
Use the random Large Neighborhood Search instead of the exhaustive one.
|
BopParameters.Builder |
clearUseSatToChooseLnsNeighbourhood()
Whether we use sat propagation to choose the lns neighbourhood.
|
BopParameters.Builder |
clearUseSymmetry()
If true, find and exploit the eventual symmetries of the problem.
|
BopParameters.Builder |
clearUseTranspositionTableInLs()
Whether we use an hash set during the LS to avoid exploring more than once
the "same" state.
|
boolean |
getComputeEstimatedImpact()
Compute estimated impact at each iteration when true; only once when false.
|
double |
getDecomposedProblemMinTimeInSeconds()
HACK.
|
int |
getDecomposerNumVariablesThreshold()
Only try to decompose the problem when the number of variables is greater
than the threshold.
|
BopParameters |
getDefaultInstanceForType() |
java.lang.String |
getDefaultSolverOptimizerSets()
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "]; |
com.google.protobuf.ByteString |
getDefaultSolverOptimizerSetsBytes()
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "]; |
static com.google.protobuf.Descriptors.Descriptor |
getDescriptor() |
com.google.protobuf.Descriptors.Descriptor |
getDescriptorForType() |
boolean |
getExploitSymmetryInSatFirstSolution()
If true, find and exploit symmetries in proving satisfiability in the first
problem.
|
int |
getGuidedSatConflictsChunk()
The first solutions based on guided SAT will work in chunk of that many
conflicts at the time.
|
boolean |
getLogSearchProgress()
Whether the solver should log the search progress to LOG(INFO).
|
double |
getLpMaxDeterministicTime()
The max deterministic time given to the LP solver each time it is called.
|
double |
getMaxDeterministicTime()
Maximum time allowed in deterministic time to solve a problem.
|
int |
getMaxLpSolveForFeasibilityProblems()
The maximum number of time the LP solver will run to feasibility for pure
feasibility problems (with a constant-valued objective function).
|
long |
getMaxNumberOfBacktracksInLs()
Maximum number of backtracks times the number of variables in Local Search,
ie.
|
int |
getMaxNumberOfConflictsForQuickCheck()
The number of conflicts the SAT solver has to solve a random LNS
subproblem for the quick check of infeasibility.
|
int |
getMaxNumberOfConflictsInRandomLns()
The number of conflicts the SAT solver has to solve a random LNS
subproblem.
|
int |
getMaxNumberOfConflictsInRandomSolutionGeneration()
The number of conflicts the SAT solver has to generate a random solution.
|
int |
getMaxNumberOfConsecutiveFailingOptimizerCalls()
Maximum number of consecutive optimizer calls without improving the
current solution.
|
long |
getMaxNumberOfExploredAssignmentsPerTryInLs()
The maximum number of assignments the Local Search iterates on during one
try.
|
int |
getMaxNumBrokenConstraintsInLs()
Abort the LS search tree as soon as strictly more than this number of
constraints are broken.
|
int |
getMaxNumDecisionsInLs()
Maximum number of cascading decisions the solver might use to repair the
current solution in the LS.
|
double |
getMaxTimeInSeconds()
Maximum time allowed in seconds to solve a problem.
|
int |
getNumberOfSolvers()
The number of solvers used to run Bop.
|
int |
getNumBopSolversUsedByDecomposition()
The number of BopSolver created (thread pool workers) used by the integral
solver to solve a decomposed problem.
|
int |
getNumRandomLnsTries()
Number of tries in the random lns.
|
int |
getNumRelaxedVars()
Number of variables to relax in the exhaustive Large Neighborhood Search.
|
boolean |
getPruneSearchTree()
Avoid exploring both branches (b, a, ...) and (a, b, ...).
|
int |
getRandomSeed()
The seed used to initialize the random generator.
|
double |
getRelativeGapLimit()
Limit used to stop the optimization as soon as the relative gap is smaller
than the given value.
|
BopSolverOptimizerSet |
getSolverOptimizerSets(int index)
List of set of optimizers to be run by the solvers.
|
BopSolverOptimizerSet.Builder |
getSolverOptimizerSetsBuilder(int index)
List of set of optimizers to be run by the solvers.
|
java.util.List<BopSolverOptimizerSet.Builder> |
getSolverOptimizerSetsBuilderList()
List of set of optimizers to be run by the solvers.
|
int |
getSolverOptimizerSetsCount()
List of set of optimizers to be run by the solvers.
|
java.util.List<BopSolverOptimizerSet> |
getSolverOptimizerSetsList()
List of set of optimizers to be run by the solvers.
|
BopSolverOptimizerSetOrBuilder |
getSolverOptimizerSetsOrBuilder(int index)
List of set of optimizers to be run by the solvers.
|
java.util.List<? extends BopSolverOptimizerSetOrBuilder> |
getSolverOptimizerSetsOrBuilderList()
List of set of optimizers to be run by the solvers.
|
boolean |
getSortConstraintsByNumTerms()
Sort constraints by increasing total number of terms instead of number of
contributing terms.
|
BopParameters.ThreadSynchronizationType |
getSynchronizationType()
optional .operations_research.bop.BopParameters.ThreadSynchronizationType synchronization_type = 25 [default = NO_SYNCHRONIZATION]; |
boolean |
getUseLearnedBinaryClausesInLp()
Whether we use the learned binary clauses in the Linear Relaxation.
|
boolean |
getUseLpLns()
Use Large Neighborhood Search based on the LP relaxation.
|
boolean |
getUseLpStrongBranching()
Use strong branching in the linear relaxation optimizer.
|
boolean |
getUsePotentialOneFlipRepairsInLs()
Whether we keep a list of variable that can potentially repair in one flip
all the current infeasible constraints (such variable must at least appear
in all the infeasible constraints for this to happen).
|
boolean |
getUseRandomLns()
Use the random Large Neighborhood Search instead of the exhaustive one.
|
boolean |
getUseSatToChooseLnsNeighbourhood()
Whether we use sat propagation to choose the lns neighbourhood.
|
boolean |
getUseSymmetry()
If true, find and exploit the eventual symmetries of the problem.
|
boolean |
getUseTranspositionTableInLs()
Whether we use an hash set during the LS to avoid exploring more than once
the "same" state.
|
boolean |
hasComputeEstimatedImpact()
Compute estimated impact at each iteration when true; only once when false.
|
boolean |
hasDecomposedProblemMinTimeInSeconds()
HACK.
|
boolean |
hasDecomposerNumVariablesThreshold()
Only try to decompose the problem when the number of variables is greater
than the threshold.
|
boolean |
hasDefaultSolverOptimizerSets()
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "]; |
boolean |
hasExploitSymmetryInSatFirstSolution()
If true, find and exploit symmetries in proving satisfiability in the first
problem.
|
boolean |
hasGuidedSatConflictsChunk()
The first solutions based on guided SAT will work in chunk of that many
conflicts at the time.
|
boolean |
hasLogSearchProgress()
Whether the solver should log the search progress to LOG(INFO).
|
boolean |
hasLpMaxDeterministicTime()
The max deterministic time given to the LP solver each time it is called.
|
boolean |
hasMaxDeterministicTime()
Maximum time allowed in deterministic time to solve a problem.
|
boolean |
hasMaxLpSolveForFeasibilityProblems()
The maximum number of time the LP solver will run to feasibility for pure
feasibility problems (with a constant-valued objective function).
|
boolean |
hasMaxNumberOfBacktracksInLs()
Maximum number of backtracks times the number of variables in Local Search,
ie.
|
boolean |
hasMaxNumberOfConflictsForQuickCheck()
The number of conflicts the SAT solver has to solve a random LNS
subproblem for the quick check of infeasibility.
|
boolean |
hasMaxNumberOfConflictsInRandomLns()
The number of conflicts the SAT solver has to solve a random LNS
subproblem.
|
boolean |
hasMaxNumberOfConflictsInRandomSolutionGeneration()
The number of conflicts the SAT solver has to generate a random solution.
|
boolean |
hasMaxNumberOfConsecutiveFailingOptimizerCalls()
Maximum number of consecutive optimizer calls without improving the
current solution.
|
boolean |
hasMaxNumberOfExploredAssignmentsPerTryInLs()
The maximum number of assignments the Local Search iterates on during one
try.
|
boolean |
hasMaxNumBrokenConstraintsInLs()
Abort the LS search tree as soon as strictly more than this number of
constraints are broken.
|
boolean |
hasMaxNumDecisionsInLs()
Maximum number of cascading decisions the solver might use to repair the
current solution in the LS.
|
boolean |
hasMaxTimeInSeconds()
Maximum time allowed in seconds to solve a problem.
|
boolean |
hasNumberOfSolvers()
The number of solvers used to run Bop.
|
boolean |
hasNumBopSolversUsedByDecomposition()
The number of BopSolver created (thread pool workers) used by the integral
solver to solve a decomposed problem.
|
boolean |
hasNumRandomLnsTries()
Number of tries in the random lns.
|
boolean |
hasNumRelaxedVars()
Number of variables to relax in the exhaustive Large Neighborhood Search.
|
boolean |
hasPruneSearchTree()
Avoid exploring both branches (b, a, ...) and (a, b, ...).
|
boolean |
hasRandomSeed()
The seed used to initialize the random generator.
|
boolean |
hasRelativeGapLimit()
Limit used to stop the optimization as soon as the relative gap is smaller
than the given value.
|
boolean |
hasSortConstraintsByNumTerms()
Sort constraints by increasing total number of terms instead of number of
contributing terms.
|
boolean |
hasSynchronizationType()
optional .operations_research.bop.BopParameters.ThreadSynchronizationType synchronization_type = 25 [default = NO_SYNCHRONIZATION]; |
boolean |
hasUseLearnedBinaryClausesInLp()
Whether we use the learned binary clauses in the Linear Relaxation.
|
boolean |
hasUseLpLns()
Use Large Neighborhood Search based on the LP relaxation.
|
boolean |
hasUseLpStrongBranching()
Use strong branching in the linear relaxation optimizer.
|
boolean |
hasUsePotentialOneFlipRepairsInLs()
Whether we keep a list of variable that can potentially repair in one flip
all the current infeasible constraints (such variable must at least appear
in all the infeasible constraints for this to happen).
|
boolean |
hasUseRandomLns()
Use the random Large Neighborhood Search instead of the exhaustive one.
|
boolean |
hasUseSatToChooseLnsNeighbourhood()
Whether we use sat propagation to choose the lns neighbourhood.
|
boolean |
hasUseSymmetry()
If true, find and exploit the eventual symmetries of the problem.
|
boolean |
hasUseTranspositionTableInLs()
Whether we use an hash set during the LS to avoid exploring more than once
the "same" state.
|
protected com.google.protobuf.GeneratedMessage.FieldAccessorTable |
internalGetFieldAccessorTable() |
boolean |
isInitialized() |
BopParameters.Builder |
mergeFrom(BopParameters other) |
BopParameters.Builder |
mergeFrom(com.google.protobuf.CodedInputStream input,
com.google.protobuf.ExtensionRegistryLite extensionRegistry) |
BopParameters.Builder |
mergeFrom(com.google.protobuf.Message other) |
BopParameters.Builder |
removeSolverOptimizerSets(int index)
List of set of optimizers to be run by the solvers.
|
BopParameters.Builder |
setComputeEstimatedImpact(boolean value)
Compute estimated impact at each iteration when true; only once when false.
|
BopParameters.Builder |
setDecomposedProblemMinTimeInSeconds(double value)
HACK.
|
BopParameters.Builder |
setDecomposerNumVariablesThreshold(int value)
Only try to decompose the problem when the number of variables is greater
than the threshold.
|
BopParameters.Builder |
setDefaultSolverOptimizerSets(java.lang.String value)
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "]; |
BopParameters.Builder |
setDefaultSolverOptimizerSetsBytes(com.google.protobuf.ByteString value)
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "]; |
BopParameters.Builder |
setExploitSymmetryInSatFirstSolution(boolean value)
If true, find and exploit symmetries in proving satisfiability in the first
problem.
|
BopParameters.Builder |
setGuidedSatConflictsChunk(int value)
The first solutions based on guided SAT will work in chunk of that many
conflicts at the time.
|
BopParameters.Builder |
setLogSearchProgress(boolean value)
Whether the solver should log the search progress to LOG(INFO).
|
BopParameters.Builder |
setLpMaxDeterministicTime(double value)
The max deterministic time given to the LP solver each time it is called.
|
BopParameters.Builder |
setMaxDeterministicTime(double value)
Maximum time allowed in deterministic time to solve a problem.
|
BopParameters.Builder |
setMaxLpSolveForFeasibilityProblems(int value)
The maximum number of time the LP solver will run to feasibility for pure
feasibility problems (with a constant-valued objective function).
|
BopParameters.Builder |
setMaxNumberOfBacktracksInLs(long value)
Maximum number of backtracks times the number of variables in Local Search,
ie.
|
BopParameters.Builder |
setMaxNumberOfConflictsForQuickCheck(int value)
The number of conflicts the SAT solver has to solve a random LNS
subproblem for the quick check of infeasibility.
|
BopParameters.Builder |
setMaxNumberOfConflictsInRandomLns(int value)
The number of conflicts the SAT solver has to solve a random LNS
subproblem.
|
BopParameters.Builder |
setMaxNumberOfConflictsInRandomSolutionGeneration(int value)
The number of conflicts the SAT solver has to generate a random solution.
|
BopParameters.Builder |
setMaxNumberOfConsecutiveFailingOptimizerCalls(int value)
Maximum number of consecutive optimizer calls without improving the
current solution.
|
BopParameters.Builder |
setMaxNumberOfExploredAssignmentsPerTryInLs(long value)
The maximum number of assignments the Local Search iterates on during one
try.
|
BopParameters.Builder |
setMaxNumBrokenConstraintsInLs(int value)
Abort the LS search tree as soon as strictly more than this number of
constraints are broken.
|
BopParameters.Builder |
setMaxNumDecisionsInLs(int value)
Maximum number of cascading decisions the solver might use to repair the
current solution in the LS.
|
BopParameters.Builder |
setMaxTimeInSeconds(double value)
Maximum time allowed in seconds to solve a problem.
|
BopParameters.Builder |
setNumberOfSolvers(int value)
The number of solvers used to run Bop.
|
BopParameters.Builder |
setNumBopSolversUsedByDecomposition(int value)
The number of BopSolver created (thread pool workers) used by the integral
solver to solve a decomposed problem.
|
BopParameters.Builder |
setNumRandomLnsTries(int value)
Number of tries in the random lns.
|
BopParameters.Builder |
setNumRelaxedVars(int value)
Number of variables to relax in the exhaustive Large Neighborhood Search.
|
BopParameters.Builder |
setPruneSearchTree(boolean value)
Avoid exploring both branches (b, a, ...) and (a, b, ...).
|
BopParameters.Builder |
setRandomSeed(int value)
The seed used to initialize the random generator.
|
BopParameters.Builder |
setRelativeGapLimit(double value)
Limit used to stop the optimization as soon as the relative gap is smaller
than the given value.
|
BopParameters.Builder |
setSolverOptimizerSets(int index,
BopSolverOptimizerSet.Builder builderForValue)
List of set of optimizers to be run by the solvers.
|
BopParameters.Builder |
setSolverOptimizerSets(int index,
BopSolverOptimizerSet value)
List of set of optimizers to be run by the solvers.
|
BopParameters.Builder |
setSortConstraintsByNumTerms(boolean value)
Sort constraints by increasing total number of terms instead of number of
contributing terms.
|
BopParameters.Builder |
setSynchronizationType(BopParameters.ThreadSynchronizationType value)
optional .operations_research.bop.BopParameters.ThreadSynchronizationType synchronization_type = 25 [default = NO_SYNCHRONIZATION]; |
BopParameters.Builder |
setUseLearnedBinaryClausesInLp(boolean value)
Whether we use the learned binary clauses in the Linear Relaxation.
|
BopParameters.Builder |
setUseLpLns(boolean value)
Use Large Neighborhood Search based on the LP relaxation.
|
BopParameters.Builder |
setUseLpStrongBranching(boolean value)
Use strong branching in the linear relaxation optimizer.
|
BopParameters.Builder |
setUsePotentialOneFlipRepairsInLs(boolean value)
Whether we keep a list of variable that can potentially repair in one flip
all the current infeasible constraints (such variable must at least appear
in all the infeasible constraints for this to happen).
|
BopParameters.Builder |
setUseRandomLns(boolean value)
Use the random Large Neighborhood Search instead of the exhaustive one.
|
BopParameters.Builder |
setUseSatToChooseLnsNeighbourhood(boolean value)
Whether we use sat propagation to choose the lns neighbourhood.
|
BopParameters.Builder |
setUseSymmetry(boolean value)
If true, find and exploit the eventual symmetries of the problem.
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BopParameters.Builder |
setUseTranspositionTableInLs(boolean value)
Whether we use an hash set during the LS to avoid exploring more than once
the "same" state.
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addRepeatedField, clearField, clearOneof, clone, getAllFields, getField, getFieldBuilder, getOneofFieldDescriptor, getParentForChildren, getRepeatedField, getRepeatedFieldBuilder, getRepeatedFieldCount, getUnknownFields, getUnknownFieldSetBuilder, hasField, hasOneof, internalGetMapField, internalGetMapFieldReflection, internalGetMutableMapField, internalGetMutableMapFieldReflection, isClean, markClean, mergeUnknownFields, mergeUnknownLengthDelimitedField, mergeUnknownVarintField, newBuilderForField, onBuilt, onChanged, parseUnknownField, setField, setRepeatedField, setUnknownFields, setUnknownFieldSetBuilder, setUnknownFieldsProto3findInitializationErrors, getInitializationErrorString, internalMergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, mergeFrom, newUninitializedMessageException, toStringaddAll, addAll, mergeDelimitedFrom, mergeDelimitedFrom, newUninitializedMessageExceptionequals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitpublic static final com.google.protobuf.Descriptors.Descriptor getDescriptor()
protected com.google.protobuf.GeneratedMessage.FieldAccessorTable internalGetFieldAccessorTable()
internalGetFieldAccessorTable in class com.google.protobuf.GeneratedMessage.Builder<BopParameters.Builder>public BopParameters.Builder clear()
clear in interface com.google.protobuf.Message.Builderclear in interface com.google.protobuf.MessageLite.Builderclear in class com.google.protobuf.GeneratedMessage.Builder<BopParameters.Builder>public com.google.protobuf.Descriptors.Descriptor getDescriptorForType()
getDescriptorForType in interface com.google.protobuf.Message.BuildergetDescriptorForType in interface com.google.protobuf.MessageOrBuildergetDescriptorForType in class com.google.protobuf.GeneratedMessage.Builder<BopParameters.Builder>public BopParameters getDefaultInstanceForType()
getDefaultInstanceForType in interface com.google.protobuf.MessageLiteOrBuildergetDefaultInstanceForType in interface com.google.protobuf.MessageOrBuilderpublic BopParameters build()
build in interface com.google.protobuf.Message.Builderbuild in interface com.google.protobuf.MessageLite.Builderpublic BopParameters buildPartial()
buildPartial in interface com.google.protobuf.Message.BuilderbuildPartial in interface com.google.protobuf.MessageLite.Builderpublic BopParameters.Builder mergeFrom(com.google.protobuf.Message other)
mergeFrom in interface com.google.protobuf.Message.BuildermergeFrom in class com.google.protobuf.AbstractMessage.Builder<BopParameters.Builder>public BopParameters.Builder mergeFrom(BopParameters other)
public final boolean isInitialized()
isInitialized in interface com.google.protobuf.MessageLiteOrBuilderisInitialized in class com.google.protobuf.GeneratedMessage.Builder<BopParameters.Builder>public BopParameters.Builder mergeFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry) throws java.io.IOException
mergeFrom in interface com.google.protobuf.Message.BuildermergeFrom in interface com.google.protobuf.MessageLite.BuildermergeFrom in class com.google.protobuf.AbstractMessage.Builder<BopParameters.Builder>java.io.IOExceptionpublic boolean hasMaxTimeInSeconds()
Maximum time allowed in seconds to solve a problem. The counter will starts as soon as Solve() is called.
optional double max_time_in_seconds = 1 [default = inf];hasMaxTimeInSeconds in interface BopParametersOrBuilderpublic double getMaxTimeInSeconds()
Maximum time allowed in seconds to solve a problem. The counter will starts as soon as Solve() is called.
optional double max_time_in_seconds = 1 [default = inf];getMaxTimeInSeconds in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxTimeInSeconds(double value)
Maximum time allowed in seconds to solve a problem. The counter will starts as soon as Solve() is called.
optional double max_time_in_seconds = 1 [default = inf];value - The maxTimeInSeconds to set.public BopParameters.Builder clearMaxTimeInSeconds()
Maximum time allowed in seconds to solve a problem. The counter will starts as soon as Solve() is called.
optional double max_time_in_seconds = 1 [default = inf];public boolean hasMaxDeterministicTime()
Maximum time allowed in deterministic time to solve a problem. The deterministic time should be correlated with the real time used by the solver, the time unit being roughly the order of magnitude of a second. The counter will starts as soon as SetParameters() or SolveWithTimeLimit() is called.
optional double max_deterministic_time = 27 [default = inf];hasMaxDeterministicTime in interface BopParametersOrBuilderpublic double getMaxDeterministicTime()
Maximum time allowed in deterministic time to solve a problem. The deterministic time should be correlated with the real time used by the solver, the time unit being roughly the order of magnitude of a second. The counter will starts as soon as SetParameters() or SolveWithTimeLimit() is called.
optional double max_deterministic_time = 27 [default = inf];getMaxDeterministicTime in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxDeterministicTime(double value)
Maximum time allowed in deterministic time to solve a problem. The deterministic time should be correlated with the real time used by the solver, the time unit being roughly the order of magnitude of a second. The counter will starts as soon as SetParameters() or SolveWithTimeLimit() is called.
optional double max_deterministic_time = 27 [default = inf];value - The maxDeterministicTime to set.public BopParameters.Builder clearMaxDeterministicTime()
Maximum time allowed in deterministic time to solve a problem. The deterministic time should be correlated with the real time used by the solver, the time unit being roughly the order of magnitude of a second. The counter will starts as soon as SetParameters() or SolveWithTimeLimit() is called.
optional double max_deterministic_time = 27 [default = inf];public boolean hasLpMaxDeterministicTime()
The max deterministic time given to the LP solver each time it is called. If this is not enough to solve the LP at hand, it will simply be called again later (and the solve will resume from where it stopped).
optional double lp_max_deterministic_time = 37 [default = 1];hasLpMaxDeterministicTime in interface BopParametersOrBuilderpublic double getLpMaxDeterministicTime()
The max deterministic time given to the LP solver each time it is called. If this is not enough to solve the LP at hand, it will simply be called again later (and the solve will resume from where it stopped).
optional double lp_max_deterministic_time = 37 [default = 1];getLpMaxDeterministicTime in interface BopParametersOrBuilderpublic BopParameters.Builder setLpMaxDeterministicTime(double value)
The max deterministic time given to the LP solver each time it is called. If this is not enough to solve the LP at hand, it will simply be called again later (and the solve will resume from where it stopped).
optional double lp_max_deterministic_time = 37 [default = 1];value - The lpMaxDeterministicTime to set.public BopParameters.Builder clearLpMaxDeterministicTime()
The max deterministic time given to the LP solver each time it is called. If this is not enough to solve the LP at hand, it will simply be called again later (and the solve will resume from where it stopped).
optional double lp_max_deterministic_time = 37 [default = 1];public boolean hasMaxNumberOfConsecutiveFailingOptimizerCalls()
Maximum number of consecutive optimizer calls without improving the current solution. If this number is reached, the search will be aborted. Note that this parameter only applies when an initial solution has been found or is provided. Also note that there is no limit to the number of calls, when the parameter is not set.
optional int32 max_number_of_consecutive_failing_optimizer_calls = 35;hasMaxNumberOfConsecutiveFailingOptimizerCalls in interface BopParametersOrBuilderpublic int getMaxNumberOfConsecutiveFailingOptimizerCalls()
Maximum number of consecutive optimizer calls without improving the current solution. If this number is reached, the search will be aborted. Note that this parameter only applies when an initial solution has been found or is provided. Also note that there is no limit to the number of calls, when the parameter is not set.
optional int32 max_number_of_consecutive_failing_optimizer_calls = 35;getMaxNumberOfConsecutiveFailingOptimizerCalls in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxNumberOfConsecutiveFailingOptimizerCalls(int value)
Maximum number of consecutive optimizer calls without improving the current solution. If this number is reached, the search will be aborted. Note that this parameter only applies when an initial solution has been found or is provided. Also note that there is no limit to the number of calls, when the parameter is not set.
optional int32 max_number_of_consecutive_failing_optimizer_calls = 35;value - The maxNumberOfConsecutiveFailingOptimizerCalls to set.public BopParameters.Builder clearMaxNumberOfConsecutiveFailingOptimizerCalls()
Maximum number of consecutive optimizer calls without improving the current solution. If this number is reached, the search will be aborted. Note that this parameter only applies when an initial solution has been found or is provided. Also note that there is no limit to the number of calls, when the parameter is not set.
optional int32 max_number_of_consecutive_failing_optimizer_calls = 35;public boolean hasRelativeGapLimit()
Limit used to stop the optimization as soon as the relative gap is smaller than the given value. The relative gap is defined as: abs(solution_cost - best_bound) / max(abs(solution_cost), abs(best_bound)).
optional double relative_gap_limit = 28 [default = 0.0001];hasRelativeGapLimit in interface BopParametersOrBuilderpublic double getRelativeGapLimit()
Limit used to stop the optimization as soon as the relative gap is smaller than the given value. The relative gap is defined as: abs(solution_cost - best_bound) / max(abs(solution_cost), abs(best_bound)).
optional double relative_gap_limit = 28 [default = 0.0001];getRelativeGapLimit in interface BopParametersOrBuilderpublic BopParameters.Builder setRelativeGapLimit(double value)
Limit used to stop the optimization as soon as the relative gap is smaller than the given value. The relative gap is defined as: abs(solution_cost - best_bound) / max(abs(solution_cost), abs(best_bound)).
optional double relative_gap_limit = 28 [default = 0.0001];value - The relativeGapLimit to set.public BopParameters.Builder clearRelativeGapLimit()
Limit used to stop the optimization as soon as the relative gap is smaller than the given value. The relative gap is defined as: abs(solution_cost - best_bound) / max(abs(solution_cost), abs(best_bound)).
optional double relative_gap_limit = 28 [default = 0.0001];public boolean hasMaxNumDecisionsInLs()
Maximum number of cascading decisions the solver might use to repair the current solution in the LS.
optional int32 max_num_decisions_in_ls = 2 [default = 4];hasMaxNumDecisionsInLs in interface BopParametersOrBuilderpublic int getMaxNumDecisionsInLs()
Maximum number of cascading decisions the solver might use to repair the current solution in the LS.
optional int32 max_num_decisions_in_ls = 2 [default = 4];getMaxNumDecisionsInLs in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxNumDecisionsInLs(int value)
Maximum number of cascading decisions the solver might use to repair the current solution in the LS.
optional int32 max_num_decisions_in_ls = 2 [default = 4];value - The maxNumDecisionsInLs to set.public BopParameters.Builder clearMaxNumDecisionsInLs()
Maximum number of cascading decisions the solver might use to repair the current solution in the LS.
optional int32 max_num_decisions_in_ls = 2 [default = 4];public boolean hasMaxNumBrokenConstraintsInLs()
Abort the LS search tree as soon as strictly more than this number of constraints are broken. The default is a large value which basically disable this heuristic.
optional int32 max_num_broken_constraints_in_ls = 38 [default = 2147483647];hasMaxNumBrokenConstraintsInLs in interface BopParametersOrBuilderpublic int getMaxNumBrokenConstraintsInLs()
Abort the LS search tree as soon as strictly more than this number of constraints are broken. The default is a large value which basically disable this heuristic.
optional int32 max_num_broken_constraints_in_ls = 38 [default = 2147483647];getMaxNumBrokenConstraintsInLs in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxNumBrokenConstraintsInLs(int value)
Abort the LS search tree as soon as strictly more than this number of constraints are broken. The default is a large value which basically disable this heuristic.
optional int32 max_num_broken_constraints_in_ls = 38 [default = 2147483647];value - The maxNumBrokenConstraintsInLs to set.public BopParameters.Builder clearMaxNumBrokenConstraintsInLs()
Abort the LS search tree as soon as strictly more than this number of constraints are broken. The default is a large value which basically disable this heuristic.
optional int32 max_num_broken_constraints_in_ls = 38 [default = 2147483647];public boolean hasLogSearchProgress()
Whether the solver should log the search progress to LOG(INFO).
optional bool log_search_progress = 14 [default = false];hasLogSearchProgress in interface BopParametersOrBuilderpublic boolean getLogSearchProgress()
Whether the solver should log the search progress to LOG(INFO).
optional bool log_search_progress = 14 [default = false];getLogSearchProgress in interface BopParametersOrBuilderpublic BopParameters.Builder setLogSearchProgress(boolean value)
Whether the solver should log the search progress to LOG(INFO).
optional bool log_search_progress = 14 [default = false];value - The logSearchProgress to set.public BopParameters.Builder clearLogSearchProgress()
Whether the solver should log the search progress to LOG(INFO).
optional bool log_search_progress = 14 [default = false];public boolean hasComputeEstimatedImpact()
Compute estimated impact at each iteration when true; only once when false.
optional bool compute_estimated_impact = 3 [default = true];hasComputeEstimatedImpact in interface BopParametersOrBuilderpublic boolean getComputeEstimatedImpact()
Compute estimated impact at each iteration when true; only once when false.
optional bool compute_estimated_impact = 3 [default = true];getComputeEstimatedImpact in interface BopParametersOrBuilderpublic BopParameters.Builder setComputeEstimatedImpact(boolean value)
Compute estimated impact at each iteration when true; only once when false.
optional bool compute_estimated_impact = 3 [default = true];value - The computeEstimatedImpact to set.public BopParameters.Builder clearComputeEstimatedImpact()
Compute estimated impact at each iteration when true; only once when false.
optional bool compute_estimated_impact = 3 [default = true];public boolean hasPruneSearchTree()
Avoid exploring both branches (b, a, ...) and (a, b, ...).
optional bool prune_search_tree = 4 [default = false];hasPruneSearchTree in interface BopParametersOrBuilderpublic boolean getPruneSearchTree()
Avoid exploring both branches (b, a, ...) and (a, b, ...).
optional bool prune_search_tree = 4 [default = false];getPruneSearchTree in interface BopParametersOrBuilderpublic BopParameters.Builder setPruneSearchTree(boolean value)
Avoid exploring both branches (b, a, ...) and (a, b, ...).
optional bool prune_search_tree = 4 [default = false];value - The pruneSearchTree to set.public BopParameters.Builder clearPruneSearchTree()
Avoid exploring both branches (b, a, ...) and (a, b, ...).
optional bool prune_search_tree = 4 [default = false];public boolean hasSortConstraintsByNumTerms()
Sort constraints by increasing total number of terms instead of number of contributing terms.
optional bool sort_constraints_by_num_terms = 5 [default = false];hasSortConstraintsByNumTerms in interface BopParametersOrBuilderpublic boolean getSortConstraintsByNumTerms()
Sort constraints by increasing total number of terms instead of number of contributing terms.
optional bool sort_constraints_by_num_terms = 5 [default = false];getSortConstraintsByNumTerms in interface BopParametersOrBuilderpublic BopParameters.Builder setSortConstraintsByNumTerms(boolean value)
Sort constraints by increasing total number of terms instead of number of contributing terms.
optional bool sort_constraints_by_num_terms = 5 [default = false];value - The sortConstraintsByNumTerms to set.public BopParameters.Builder clearSortConstraintsByNumTerms()
Sort constraints by increasing total number of terms instead of number of contributing terms.
optional bool sort_constraints_by_num_terms = 5 [default = false];public boolean hasUseRandomLns()
Use the random Large Neighborhood Search instead of the exhaustive one.
optional bool use_random_lns = 6 [default = true];hasUseRandomLns in interface BopParametersOrBuilderpublic boolean getUseRandomLns()
Use the random Large Neighborhood Search instead of the exhaustive one.
optional bool use_random_lns = 6 [default = true];getUseRandomLns in interface BopParametersOrBuilderpublic BopParameters.Builder setUseRandomLns(boolean value)
Use the random Large Neighborhood Search instead of the exhaustive one.
optional bool use_random_lns = 6 [default = true];value - The useRandomLns to set.public BopParameters.Builder clearUseRandomLns()
Use the random Large Neighborhood Search instead of the exhaustive one.
optional bool use_random_lns = 6 [default = true];public boolean hasRandomSeed()
The seed used to initialize the random generator. TODO(user): Some of our client test fail depending on this value! we need to fix them and ideally randomize our behavior from on test to the next so that this doesn't happen in the future.
optional int32 random_seed = 7 [default = 8];hasRandomSeed in interface BopParametersOrBuilderpublic int getRandomSeed()
The seed used to initialize the random generator. TODO(user): Some of our client test fail depending on this value! we need to fix them and ideally randomize our behavior from on test to the next so that this doesn't happen in the future.
optional int32 random_seed = 7 [default = 8];getRandomSeed in interface BopParametersOrBuilderpublic BopParameters.Builder setRandomSeed(int value)
The seed used to initialize the random generator. TODO(user): Some of our client test fail depending on this value! we need to fix them and ideally randomize our behavior from on test to the next so that this doesn't happen in the future.
optional int32 random_seed = 7 [default = 8];value - The randomSeed to set.public BopParameters.Builder clearRandomSeed()
The seed used to initialize the random generator. TODO(user): Some of our client test fail depending on this value! we need to fix them and ideally randomize our behavior from on test to the next so that this doesn't happen in the future.
optional int32 random_seed = 7 [default = 8];public boolean hasNumRelaxedVars()
Number of variables to relax in the exhaustive Large Neighborhood Search.
optional int32 num_relaxed_vars = 8 [default = 10];hasNumRelaxedVars in interface BopParametersOrBuilderpublic int getNumRelaxedVars()
Number of variables to relax in the exhaustive Large Neighborhood Search.
optional int32 num_relaxed_vars = 8 [default = 10];getNumRelaxedVars in interface BopParametersOrBuilderpublic BopParameters.Builder setNumRelaxedVars(int value)
Number of variables to relax in the exhaustive Large Neighborhood Search.
optional int32 num_relaxed_vars = 8 [default = 10];value - The numRelaxedVars to set.public BopParameters.Builder clearNumRelaxedVars()
Number of variables to relax in the exhaustive Large Neighborhood Search.
optional int32 num_relaxed_vars = 8 [default = 10];public boolean hasMaxNumberOfConflictsInRandomLns()
The number of conflicts the SAT solver has to solve a random LNS subproblem.
optional int32 max_number_of_conflicts_in_random_lns = 9 [default = 2500];hasMaxNumberOfConflictsInRandomLns in interface BopParametersOrBuilderpublic int getMaxNumberOfConflictsInRandomLns()
The number of conflicts the SAT solver has to solve a random LNS subproblem.
optional int32 max_number_of_conflicts_in_random_lns = 9 [default = 2500];getMaxNumberOfConflictsInRandomLns in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxNumberOfConflictsInRandomLns(int value)
The number of conflicts the SAT solver has to solve a random LNS subproblem.
optional int32 max_number_of_conflicts_in_random_lns = 9 [default = 2500];value - The maxNumberOfConflictsInRandomLns to set.public BopParameters.Builder clearMaxNumberOfConflictsInRandomLns()
The number of conflicts the SAT solver has to solve a random LNS subproblem.
optional int32 max_number_of_conflicts_in_random_lns = 9 [default = 2500];public boolean hasNumRandomLnsTries()
Number of tries in the random lns.
optional int32 num_random_lns_tries = 10 [default = 1];hasNumRandomLnsTries in interface BopParametersOrBuilderpublic int getNumRandomLnsTries()
Number of tries in the random lns.
optional int32 num_random_lns_tries = 10 [default = 1];getNumRandomLnsTries in interface BopParametersOrBuilderpublic BopParameters.Builder setNumRandomLnsTries(int value)
Number of tries in the random lns.
optional int32 num_random_lns_tries = 10 [default = 1];value - The numRandomLnsTries to set.public BopParameters.Builder clearNumRandomLnsTries()
Number of tries in the random lns.
optional int32 num_random_lns_tries = 10 [default = 1];public boolean hasMaxNumberOfBacktracksInLs()
Maximum number of backtracks times the number of variables in Local Search, ie. max num backtracks == max_number_of_backtracks_in_ls / num variables.
optional int64 max_number_of_backtracks_in_ls = 11 [default = 100000000];hasMaxNumberOfBacktracksInLs in interface BopParametersOrBuilderpublic long getMaxNumberOfBacktracksInLs()
Maximum number of backtracks times the number of variables in Local Search, ie. max num backtracks == max_number_of_backtracks_in_ls / num variables.
optional int64 max_number_of_backtracks_in_ls = 11 [default = 100000000];getMaxNumberOfBacktracksInLs in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxNumberOfBacktracksInLs(long value)
Maximum number of backtracks times the number of variables in Local Search, ie. max num backtracks == max_number_of_backtracks_in_ls / num variables.
optional int64 max_number_of_backtracks_in_ls = 11 [default = 100000000];value - The maxNumberOfBacktracksInLs to set.public BopParameters.Builder clearMaxNumberOfBacktracksInLs()
Maximum number of backtracks times the number of variables in Local Search, ie. max num backtracks == max_number_of_backtracks_in_ls / num variables.
optional int64 max_number_of_backtracks_in_ls = 11 [default = 100000000];public boolean hasUseLpLns()
Use Large Neighborhood Search based on the LP relaxation.
optional bool use_lp_lns = 12 [default = true];hasUseLpLns in interface BopParametersOrBuilderpublic boolean getUseLpLns()
Use Large Neighborhood Search based on the LP relaxation.
optional bool use_lp_lns = 12 [default = true];getUseLpLns in interface BopParametersOrBuilderpublic BopParameters.Builder setUseLpLns(boolean value)
Use Large Neighborhood Search based on the LP relaxation.
optional bool use_lp_lns = 12 [default = true];value - The useLpLns to set.public BopParameters.Builder clearUseLpLns()
Use Large Neighborhood Search based on the LP relaxation.
optional bool use_lp_lns = 12 [default = true];public boolean hasUseSatToChooseLnsNeighbourhood()
Whether we use sat propagation to choose the lns neighbourhood.
optional bool use_sat_to_choose_lns_neighbourhood = 15 [default = true];hasUseSatToChooseLnsNeighbourhood in interface BopParametersOrBuilderpublic boolean getUseSatToChooseLnsNeighbourhood()
Whether we use sat propagation to choose the lns neighbourhood.
optional bool use_sat_to_choose_lns_neighbourhood = 15 [default = true];getUseSatToChooseLnsNeighbourhood in interface BopParametersOrBuilderpublic BopParameters.Builder setUseSatToChooseLnsNeighbourhood(boolean value)
Whether we use sat propagation to choose the lns neighbourhood.
optional bool use_sat_to_choose_lns_neighbourhood = 15 [default = true];value - The useSatToChooseLnsNeighbourhood to set.public BopParameters.Builder clearUseSatToChooseLnsNeighbourhood()
Whether we use sat propagation to choose the lns neighbourhood.
optional bool use_sat_to_choose_lns_neighbourhood = 15 [default = true];public boolean hasMaxNumberOfConflictsForQuickCheck()
The number of conflicts the SAT solver has to solve a random LNS subproblem for the quick check of infeasibility.
optional int32 max_number_of_conflicts_for_quick_check = 16 [default = 10];hasMaxNumberOfConflictsForQuickCheck in interface BopParametersOrBuilderpublic int getMaxNumberOfConflictsForQuickCheck()
The number of conflicts the SAT solver has to solve a random LNS subproblem for the quick check of infeasibility.
optional int32 max_number_of_conflicts_for_quick_check = 16 [default = 10];getMaxNumberOfConflictsForQuickCheck in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxNumberOfConflictsForQuickCheck(int value)
The number of conflicts the SAT solver has to solve a random LNS subproblem for the quick check of infeasibility.
optional int32 max_number_of_conflicts_for_quick_check = 16 [default = 10];value - The maxNumberOfConflictsForQuickCheck to set.public BopParameters.Builder clearMaxNumberOfConflictsForQuickCheck()
The number of conflicts the SAT solver has to solve a random LNS subproblem for the quick check of infeasibility.
optional int32 max_number_of_conflicts_for_quick_check = 16 [default = 10];public boolean hasUseSymmetry()
If true, find and exploit the eventual symmetries of the problem. TODO(user): turn this on by default once the symmetry finder becomes fast enough to be negligeable for most problem. Or at least support a time limit.
optional bool use_symmetry = 17 [default = false];hasUseSymmetry in interface BopParametersOrBuilderpublic boolean getUseSymmetry()
If true, find and exploit the eventual symmetries of the problem. TODO(user): turn this on by default once the symmetry finder becomes fast enough to be negligeable for most problem. Or at least support a time limit.
optional bool use_symmetry = 17 [default = false];getUseSymmetry in interface BopParametersOrBuilderpublic BopParameters.Builder setUseSymmetry(boolean value)
If true, find and exploit the eventual symmetries of the problem. TODO(user): turn this on by default once the symmetry finder becomes fast enough to be negligeable for most problem. Or at least support a time limit.
optional bool use_symmetry = 17 [default = false];value - The useSymmetry to set.public BopParameters.Builder clearUseSymmetry()
If true, find and exploit the eventual symmetries of the problem. TODO(user): turn this on by default once the symmetry finder becomes fast enough to be negligeable for most problem. Or at least support a time limit.
optional bool use_symmetry = 17 [default = false];public boolean hasExploitSymmetryInSatFirstSolution()
If true, find and exploit symmetries in proving satisfiability in the first problem. This feature is experimental. On some problems, computing symmetries may run forever. You may also run into unforseen problems as this feature was not extensively tested.
optional bool exploit_symmetry_in_sat_first_solution = 40 [default = false];hasExploitSymmetryInSatFirstSolution in interface BopParametersOrBuilderpublic boolean getExploitSymmetryInSatFirstSolution()
If true, find and exploit symmetries in proving satisfiability in the first problem. This feature is experimental. On some problems, computing symmetries may run forever. You may also run into unforseen problems as this feature was not extensively tested.
optional bool exploit_symmetry_in_sat_first_solution = 40 [default = false];getExploitSymmetryInSatFirstSolution in interface BopParametersOrBuilderpublic BopParameters.Builder setExploitSymmetryInSatFirstSolution(boolean value)
If true, find and exploit symmetries in proving satisfiability in the first problem. This feature is experimental. On some problems, computing symmetries may run forever. You may also run into unforseen problems as this feature was not extensively tested.
optional bool exploit_symmetry_in_sat_first_solution = 40 [default = false];value - The exploitSymmetryInSatFirstSolution to set.public BopParameters.Builder clearExploitSymmetryInSatFirstSolution()
If true, find and exploit symmetries in proving satisfiability in the first problem. This feature is experimental. On some problems, computing symmetries may run forever. You may also run into unforseen problems as this feature was not extensively tested.
optional bool exploit_symmetry_in_sat_first_solution = 40 [default = false];public boolean hasMaxNumberOfConflictsInRandomSolutionGeneration()
The number of conflicts the SAT solver has to generate a random solution.
optional int32 max_number_of_conflicts_in_random_solution_generation = 20 [default = 500];hasMaxNumberOfConflictsInRandomSolutionGeneration in interface BopParametersOrBuilderpublic int getMaxNumberOfConflictsInRandomSolutionGeneration()
The number of conflicts the SAT solver has to generate a random solution.
optional int32 max_number_of_conflicts_in_random_solution_generation = 20 [default = 500];getMaxNumberOfConflictsInRandomSolutionGeneration in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxNumberOfConflictsInRandomSolutionGeneration(int value)
The number of conflicts the SAT solver has to generate a random solution.
optional int32 max_number_of_conflicts_in_random_solution_generation = 20 [default = 500];value - The maxNumberOfConflictsInRandomSolutionGeneration to set.public BopParameters.Builder clearMaxNumberOfConflictsInRandomSolutionGeneration()
The number of conflicts the SAT solver has to generate a random solution.
optional int32 max_number_of_conflicts_in_random_solution_generation = 20 [default = 500];public boolean hasMaxNumberOfExploredAssignmentsPerTryInLs()
The maximum number of assignments the Local Search iterates on during one try. Note that if the Local Search is called again on the same solution it will not restart from scratch but will iterate on the next max_number_of_explored_assignments_per_try_in_ls assignments.
optional int64 max_number_of_explored_assignments_per_try_in_ls = 21 [default = 10000];hasMaxNumberOfExploredAssignmentsPerTryInLs in interface BopParametersOrBuilderpublic long getMaxNumberOfExploredAssignmentsPerTryInLs()
The maximum number of assignments the Local Search iterates on during one try. Note that if the Local Search is called again on the same solution it will not restart from scratch but will iterate on the next max_number_of_explored_assignments_per_try_in_ls assignments.
optional int64 max_number_of_explored_assignments_per_try_in_ls = 21 [default = 10000];getMaxNumberOfExploredAssignmentsPerTryInLs in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxNumberOfExploredAssignmentsPerTryInLs(long value)
The maximum number of assignments the Local Search iterates on during one try. Note that if the Local Search is called again on the same solution it will not restart from scratch but will iterate on the next max_number_of_explored_assignments_per_try_in_ls assignments.
optional int64 max_number_of_explored_assignments_per_try_in_ls = 21 [default = 10000];value - The maxNumberOfExploredAssignmentsPerTryInLs to set.public BopParameters.Builder clearMaxNumberOfExploredAssignmentsPerTryInLs()
The maximum number of assignments the Local Search iterates on during one try. Note that if the Local Search is called again on the same solution it will not restart from scratch but will iterate on the next max_number_of_explored_assignments_per_try_in_ls assignments.
optional int64 max_number_of_explored_assignments_per_try_in_ls = 21 [default = 10000];public boolean hasUseTranspositionTableInLs()
Whether we use an hash set during the LS to avoid exploring more than once the "same" state. Note that because the underlying SAT solver may learn information in the middle of the LS, this may make the LS slightly less "complete", but it should be faster.
optional bool use_transposition_table_in_ls = 22 [default = true];hasUseTranspositionTableInLs in interface BopParametersOrBuilderpublic boolean getUseTranspositionTableInLs()
Whether we use an hash set during the LS to avoid exploring more than once the "same" state. Note that because the underlying SAT solver may learn information in the middle of the LS, this may make the LS slightly less "complete", but it should be faster.
optional bool use_transposition_table_in_ls = 22 [default = true];getUseTranspositionTableInLs in interface BopParametersOrBuilderpublic BopParameters.Builder setUseTranspositionTableInLs(boolean value)
Whether we use an hash set during the LS to avoid exploring more than once the "same" state. Note that because the underlying SAT solver may learn information in the middle of the LS, this may make the LS slightly less "complete", but it should be faster.
optional bool use_transposition_table_in_ls = 22 [default = true];value - The useTranspositionTableInLs to set.public BopParameters.Builder clearUseTranspositionTableInLs()
Whether we use an hash set during the LS to avoid exploring more than once the "same" state. Note that because the underlying SAT solver may learn information in the middle of the LS, this may make the LS slightly less "complete", but it should be faster.
optional bool use_transposition_table_in_ls = 22 [default = true];public boolean hasUsePotentialOneFlipRepairsInLs()
Whether we keep a list of variable that can potentially repair in one flip all the current infeasible constraints (such variable must at least appear in all the infeasible constraints for this to happen).
optional bool use_potential_one_flip_repairs_in_ls = 39 [default = false];hasUsePotentialOneFlipRepairsInLs in interface BopParametersOrBuilderpublic boolean getUsePotentialOneFlipRepairsInLs()
Whether we keep a list of variable that can potentially repair in one flip all the current infeasible constraints (such variable must at least appear in all the infeasible constraints for this to happen).
optional bool use_potential_one_flip_repairs_in_ls = 39 [default = false];getUsePotentialOneFlipRepairsInLs in interface BopParametersOrBuilderpublic BopParameters.Builder setUsePotentialOneFlipRepairsInLs(boolean value)
Whether we keep a list of variable that can potentially repair in one flip all the current infeasible constraints (such variable must at least appear in all the infeasible constraints for this to happen).
optional bool use_potential_one_flip_repairs_in_ls = 39 [default = false];value - The usePotentialOneFlipRepairsInLs to set.public BopParameters.Builder clearUsePotentialOneFlipRepairsInLs()
Whether we keep a list of variable that can potentially repair in one flip all the current infeasible constraints (such variable must at least appear in all the infeasible constraints for this to happen).
optional bool use_potential_one_flip_repairs_in_ls = 39 [default = false];public boolean hasUseLearnedBinaryClausesInLp()
Whether we use the learned binary clauses in the Linear Relaxation.
optional bool use_learned_binary_clauses_in_lp = 23 [default = true];hasUseLearnedBinaryClausesInLp in interface BopParametersOrBuilderpublic boolean getUseLearnedBinaryClausesInLp()
Whether we use the learned binary clauses in the Linear Relaxation.
optional bool use_learned_binary_clauses_in_lp = 23 [default = true];getUseLearnedBinaryClausesInLp in interface BopParametersOrBuilderpublic BopParameters.Builder setUseLearnedBinaryClausesInLp(boolean value)
Whether we use the learned binary clauses in the Linear Relaxation.
optional bool use_learned_binary_clauses_in_lp = 23 [default = true];value - The useLearnedBinaryClausesInLp to set.public BopParameters.Builder clearUseLearnedBinaryClausesInLp()
Whether we use the learned binary clauses in the Linear Relaxation.
optional bool use_learned_binary_clauses_in_lp = 23 [default = true];public boolean hasNumberOfSolvers()
The number of solvers used to run Bop. Note that one thread will be created per solver. The type of communication between solvers is specified by the synchronization_type parameter.
optional int32 number_of_solvers = 24 [default = 1];hasNumberOfSolvers in interface BopParametersOrBuilderpublic int getNumberOfSolvers()
The number of solvers used to run Bop. Note that one thread will be created per solver. The type of communication between solvers is specified by the synchronization_type parameter.
optional int32 number_of_solvers = 24 [default = 1];getNumberOfSolvers in interface BopParametersOrBuilderpublic BopParameters.Builder setNumberOfSolvers(int value)
The number of solvers used to run Bop. Note that one thread will be created per solver. The type of communication between solvers is specified by the synchronization_type parameter.
optional int32 number_of_solvers = 24 [default = 1];value - The numberOfSolvers to set.public BopParameters.Builder clearNumberOfSolvers()
The number of solvers used to run Bop. Note that one thread will be created per solver. The type of communication between solvers is specified by the synchronization_type parameter.
optional int32 number_of_solvers = 24 [default = 1];public boolean hasSynchronizationType()
optional .operations_research.bop.BopParameters.ThreadSynchronizationType synchronization_type = 25 [default = NO_SYNCHRONIZATION];hasSynchronizationType in interface BopParametersOrBuilderpublic BopParameters.ThreadSynchronizationType getSynchronizationType()
optional .operations_research.bop.BopParameters.ThreadSynchronizationType synchronization_type = 25 [default = NO_SYNCHRONIZATION];getSynchronizationType in interface BopParametersOrBuilderpublic BopParameters.Builder setSynchronizationType(BopParameters.ThreadSynchronizationType value)
optional .operations_research.bop.BopParameters.ThreadSynchronizationType synchronization_type = 25 [default = NO_SYNCHRONIZATION];value - The synchronizationType to set.public BopParameters.Builder clearSynchronizationType()
optional .operations_research.bop.BopParameters.ThreadSynchronizationType synchronization_type = 25 [default = NO_SYNCHRONIZATION];public java.util.List<BopSolverOptimizerSet> getSolverOptimizerSetsList()
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;getSolverOptimizerSetsList in interface BopParametersOrBuilderpublic int getSolverOptimizerSetsCount()
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;getSolverOptimizerSetsCount in interface BopParametersOrBuilderpublic BopSolverOptimizerSet getSolverOptimizerSets(int index)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;getSolverOptimizerSets in interface BopParametersOrBuilderpublic BopParameters.Builder setSolverOptimizerSets(int index, BopSolverOptimizerSet value)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopParameters.Builder setSolverOptimizerSets(int index, BopSolverOptimizerSet.Builder builderForValue)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopParameters.Builder addSolverOptimizerSets(BopSolverOptimizerSet value)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopParameters.Builder addSolverOptimizerSets(int index, BopSolverOptimizerSet value)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopParameters.Builder addSolverOptimizerSets(BopSolverOptimizerSet.Builder builderForValue)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopParameters.Builder addSolverOptimizerSets(int index, BopSolverOptimizerSet.Builder builderForValue)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopParameters.Builder addAllSolverOptimizerSets(java.lang.Iterable<? extends BopSolverOptimizerSet> values)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopParameters.Builder clearSolverOptimizerSets()
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopParameters.Builder removeSolverOptimizerSets(int index)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopSolverOptimizerSet.Builder getSolverOptimizerSetsBuilder(int index)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopSolverOptimizerSetOrBuilder getSolverOptimizerSetsOrBuilder(int index)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;getSolverOptimizerSetsOrBuilder in interface BopParametersOrBuilderpublic java.util.List<? extends BopSolverOptimizerSetOrBuilder> getSolverOptimizerSetsOrBuilderList()
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;getSolverOptimizerSetsOrBuilderList in interface BopParametersOrBuilderpublic BopSolverOptimizerSet.Builder addSolverOptimizerSetsBuilder()
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public BopSolverOptimizerSet.Builder addSolverOptimizerSetsBuilder(int index)
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public java.util.List<BopSolverOptimizerSet.Builder> getSolverOptimizerSetsBuilderList()
List of set of optimizers to be run by the solvers. Note that the i_th solver will run the min(i, solver_optimizer_sets_size())_th optimizer set. The default is defined by default_solver_optimizer_sets (only one set).
repeated .operations_research.bop.BopSolverOptimizerSet solver_optimizer_sets = 26;public boolean hasDefaultSolverOptimizerSets()
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "];hasDefaultSolverOptimizerSets in interface BopParametersOrBuilderpublic java.lang.String getDefaultSolverOptimizerSets()
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "];getDefaultSolverOptimizerSets in interface BopParametersOrBuilderpublic com.google.protobuf.ByteString getDefaultSolverOptimizerSetsBytes()
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "];getDefaultSolverOptimizerSetsBytes in interface BopParametersOrBuilderpublic BopParameters.Builder setDefaultSolverOptimizerSets(java.lang.String value)
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "];value - The defaultSolverOptimizerSets to set.public BopParameters.Builder clearDefaultSolverOptimizerSets()
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "];public BopParameters.Builder setDefaultSolverOptimizerSetsBytes(com.google.protobuf.ByteString value)
optional string default_solver_optimizer_sets = 33 [default = "methods:{type:LOCAL_SEARCH } methods:{type:RANDOM_FIRST_SOLUTION } methods:{type:LINEAR_RELAXATION } methods:{type:LP_FIRST_SOLUTION } methods:{type:OBJECTIVE_FIRST_SOLUTION } methods:{type:USER_GUIDED_FIRST_SOLUTION } methods:{type:RANDOM_CONSTRAINT_LNS_GUIDED_BY_LP } methods:{type:RANDOM_VARIABLE_LNS_GUIDED_BY_LP } methods:{type:RELATION_GRAPH_LNS } methods:{type:RELATION_GRAPH_LNS_GUIDED_BY_LP } methods:{type:RANDOM_CONSTRAINT_LNS } methods:{type:RANDOM_VARIABLE_LNS } methods:{type:SAT_CORE_BASED } methods:{type:COMPLETE_LNS } "];value - The bytes for defaultSolverOptimizerSets to set.public boolean hasUseLpStrongBranching()
Use strong branching in the linear relaxation optimizer. The strong branching is a what-if analysis on each variable v, i.e. compute the best bound when v is assigned to true, compute the best bound when v is assigned to false, and then use those best bounds to improve the overall best bound. This is useful to improve the best_bound, but also to fix some variables during search. Note that using probing might be time consuming as it runs the LP solver 2 * num_variables times.
optional bool use_lp_strong_branching = 29 [default = false];hasUseLpStrongBranching in interface BopParametersOrBuilderpublic boolean getUseLpStrongBranching()
Use strong branching in the linear relaxation optimizer. The strong branching is a what-if analysis on each variable v, i.e. compute the best bound when v is assigned to true, compute the best bound when v is assigned to false, and then use those best bounds to improve the overall best bound. This is useful to improve the best_bound, but also to fix some variables during search. Note that using probing might be time consuming as it runs the LP solver 2 * num_variables times.
optional bool use_lp_strong_branching = 29 [default = false];getUseLpStrongBranching in interface BopParametersOrBuilderpublic BopParameters.Builder setUseLpStrongBranching(boolean value)
Use strong branching in the linear relaxation optimizer. The strong branching is a what-if analysis on each variable v, i.e. compute the best bound when v is assigned to true, compute the best bound when v is assigned to false, and then use those best bounds to improve the overall best bound. This is useful to improve the best_bound, but also to fix some variables during search. Note that using probing might be time consuming as it runs the LP solver 2 * num_variables times.
optional bool use_lp_strong_branching = 29 [default = false];value - The useLpStrongBranching to set.public BopParameters.Builder clearUseLpStrongBranching()
Use strong branching in the linear relaxation optimizer. The strong branching is a what-if analysis on each variable v, i.e. compute the best bound when v is assigned to true, compute the best bound when v is assigned to false, and then use those best bounds to improve the overall best bound. This is useful to improve the best_bound, but also to fix some variables during search. Note that using probing might be time consuming as it runs the LP solver 2 * num_variables times.
optional bool use_lp_strong_branching = 29 [default = false];public boolean hasDecomposerNumVariablesThreshold()
Only try to decompose the problem when the number of variables is greater than the threshold.
optional int32 decomposer_num_variables_threshold = 30 [default = 50];hasDecomposerNumVariablesThreshold in interface BopParametersOrBuilderpublic int getDecomposerNumVariablesThreshold()
Only try to decompose the problem when the number of variables is greater than the threshold.
optional int32 decomposer_num_variables_threshold = 30 [default = 50];getDecomposerNumVariablesThreshold in interface BopParametersOrBuilderpublic BopParameters.Builder setDecomposerNumVariablesThreshold(int value)
Only try to decompose the problem when the number of variables is greater than the threshold.
optional int32 decomposer_num_variables_threshold = 30 [default = 50];value - The decomposerNumVariablesThreshold to set.public BopParameters.Builder clearDecomposerNumVariablesThreshold()
Only try to decompose the problem when the number of variables is greater than the threshold.
optional int32 decomposer_num_variables_threshold = 30 [default = 50];public boolean hasNumBopSolversUsedByDecomposition()
The number of BopSolver created (thread pool workers) used by the integral solver to solve a decomposed problem. TODO(user): Merge this with the number_of_solvers parameter.
optional int32 num_bop_solvers_used_by_decomposition = 31 [default = 1];hasNumBopSolversUsedByDecomposition in interface BopParametersOrBuilderpublic int getNumBopSolversUsedByDecomposition()
The number of BopSolver created (thread pool workers) used by the integral solver to solve a decomposed problem. TODO(user): Merge this with the number_of_solvers parameter.
optional int32 num_bop_solvers_used_by_decomposition = 31 [default = 1];getNumBopSolversUsedByDecomposition in interface BopParametersOrBuilderpublic BopParameters.Builder setNumBopSolversUsedByDecomposition(int value)
The number of BopSolver created (thread pool workers) used by the integral solver to solve a decomposed problem. TODO(user): Merge this with the number_of_solvers parameter.
optional int32 num_bop_solvers_used_by_decomposition = 31 [default = 1];value - The numBopSolversUsedByDecomposition to set.public BopParameters.Builder clearNumBopSolversUsedByDecomposition()
The number of BopSolver created (thread pool workers) used by the integral solver to solve a decomposed problem. TODO(user): Merge this with the number_of_solvers parameter.
optional int32 num_bop_solvers_used_by_decomposition = 31 [default = 1];public boolean hasDecomposedProblemMinTimeInSeconds()
HACK. To avoid spending too little time on small problems, spend at least this time solving each of the decomposed sub-problem. This only make sense if num_bop_solvers_used_by_decomposition is greater than 1 so that the overhead can be "absorbed" by the other threads.
optional double decomposed_problem_min_time_in_seconds = 36 [default = 0];hasDecomposedProblemMinTimeInSeconds in interface BopParametersOrBuilderpublic double getDecomposedProblemMinTimeInSeconds()
HACK. To avoid spending too little time on small problems, spend at least this time solving each of the decomposed sub-problem. This only make sense if num_bop_solvers_used_by_decomposition is greater than 1 so that the overhead can be "absorbed" by the other threads.
optional double decomposed_problem_min_time_in_seconds = 36 [default = 0];getDecomposedProblemMinTimeInSeconds in interface BopParametersOrBuilderpublic BopParameters.Builder setDecomposedProblemMinTimeInSeconds(double value)
HACK. To avoid spending too little time on small problems, spend at least this time solving each of the decomposed sub-problem. This only make sense if num_bop_solvers_used_by_decomposition is greater than 1 so that the overhead can be "absorbed" by the other threads.
optional double decomposed_problem_min_time_in_seconds = 36 [default = 0];value - The decomposedProblemMinTimeInSeconds to set.public BopParameters.Builder clearDecomposedProblemMinTimeInSeconds()
HACK. To avoid spending too little time on small problems, spend at least this time solving each of the decomposed sub-problem. This only make sense if num_bop_solvers_used_by_decomposition is greater than 1 so that the overhead can be "absorbed" by the other threads.
optional double decomposed_problem_min_time_in_seconds = 36 [default = 0];public boolean hasGuidedSatConflictsChunk()
The first solutions based on guided SAT will work in chunk of that many conflicts at the time. This allows to simulate parallelism between the different guiding strategy on a single core.
optional int32 guided_sat_conflicts_chunk = 34 [default = 1000];hasGuidedSatConflictsChunk in interface BopParametersOrBuilderpublic int getGuidedSatConflictsChunk()
The first solutions based on guided SAT will work in chunk of that many conflicts at the time. This allows to simulate parallelism between the different guiding strategy on a single core.
optional int32 guided_sat_conflicts_chunk = 34 [default = 1000];getGuidedSatConflictsChunk in interface BopParametersOrBuilderpublic BopParameters.Builder setGuidedSatConflictsChunk(int value)
The first solutions based on guided SAT will work in chunk of that many conflicts at the time. This allows to simulate parallelism between the different guiding strategy on a single core.
optional int32 guided_sat_conflicts_chunk = 34 [default = 1000];value - The guidedSatConflictsChunk to set.public BopParameters.Builder clearGuidedSatConflictsChunk()
The first solutions based on guided SAT will work in chunk of that many conflicts at the time. This allows to simulate parallelism between the different guiding strategy on a single core.
optional int32 guided_sat_conflicts_chunk = 34 [default = 1000];public boolean hasMaxLpSolveForFeasibilityProblems()
The maximum number of time the LP solver will run to feasibility for pure feasibility problems (with a constant-valued objective function). Set this to a small value, e.g., 1, if fractional solutions offer useful guidance to other solvers in the portfolio. A negative value means no limit.
optional int32 max_lp_solve_for_feasibility_problems = 41 [default = 0];hasMaxLpSolveForFeasibilityProblems in interface BopParametersOrBuilderpublic int getMaxLpSolveForFeasibilityProblems()
The maximum number of time the LP solver will run to feasibility for pure feasibility problems (with a constant-valued objective function). Set this to a small value, e.g., 1, if fractional solutions offer useful guidance to other solvers in the portfolio. A negative value means no limit.
optional int32 max_lp_solve_for_feasibility_problems = 41 [default = 0];getMaxLpSolveForFeasibilityProblems in interface BopParametersOrBuilderpublic BopParameters.Builder setMaxLpSolveForFeasibilityProblems(int value)
The maximum number of time the LP solver will run to feasibility for pure feasibility problems (with a constant-valued objective function). Set this to a small value, e.g., 1, if fractional solutions offer useful guidance to other solvers in the portfolio. A negative value means no limit.
optional int32 max_lp_solve_for_feasibility_problems = 41 [default = 0];value - The maxLpSolveForFeasibilityProblems to set.public BopParameters.Builder clearMaxLpSolveForFeasibilityProblems()
The maximum number of time the LP solver will run to feasibility for pure feasibility problems (with a constant-valued objective function). Set this to a small value, e.g., 1, if fractional solutions offer useful guidance to other solvers in the portfolio. A negative value means no limit.
optional int32 max_lp_solve_for_feasibility_problems = 41 [default = 0];Copyright © 2024. All rights reserved.