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Example 1 with Measures

use of org.chocosolver.solver.search.measure.Measures in project scheduler by btrplace.

the class InstanceSolverRunner method getStatistics.

/**
 * Get the statistics about the solving process.
 *
 * @return the statistics
 */
public SingleRunnerStatistics getStatistics() {
    if (rp != null) {
        Measures m = rp.getSolver().getMeasures();
        stats.setMetrics(new Metrics(m));
        stats.setCompleted(m.getSearchState().equals(SearchState.TERMINATED) || m.getSearchState().equals(SearchState.NEW));
    }
    return stats;
}
Also used : Metrics(org.btrplace.scheduler.choco.runner.Metrics) Measures(org.chocosolver.solver.search.measure.Measures)

Example 2 with Measures

use of org.chocosolver.solver.search.measure.Measures in project scheduler by btrplace.

the class InstanceSolverRunner method call.

@Override
// for the LifeCycleViolationException
@SuppressWarnings("squid:S1166")
public SolvingStatistics call() throws SchedulerException {
    stats = new SingleRunnerStatistics(params, instance, System.currentTimeMillis());
    rp = null;
    // Build the core problem
    long d = -System.currentTimeMillis();
    try {
        rp = buildRP();
    } catch (@SuppressWarnings("unused") LifeCycleViolationException ex) {
        // If there is a violation of the cycle it is not a bug that should be propagated
        // it it just indicating there is no solution
        stats.setCompleted(true);
        stats.setMetrics(new Metrics());
        return stats;
    } finally {
        d += System.currentTimeMillis();
        stats.setCoreBuildDuration(d);
    }
    stats.setNbManagedVMs(rp.getManageableVMs().size());
    // Customize the core problem
    d = -System.currentTimeMillis();
    if (!specialise()) {
        d += System.currentTimeMillis();
        stats.setSpecialisationDuration(d);
        stats.setCompleted(true);
        return getStatistics();
    }
    d += System.currentTimeMillis();
    stats.setSpecialisationDuration(d);
    // statistics
    stats.setMetrics(new Metrics(rp.getSolver().getMeasures()));
    rp.getLogger().debug(stats.toString());
    // The solution monitor to store the measures at each solution
    rp.getSolver().plugMonitor((IMonitorSolution) () -> {
        Solution solution = new Solution(rp.getModel());
        solution.record();
        ReconfigurationPlan plan = rp.buildReconfigurationPlan(solution, origin);
        views.forEach(v -> v.insertActions(rp, solution, plan));
        MeasuresRecorder m = rp.getSolver().getMeasures();
        SolutionStatistics st = new SolutionStatistics(new Metrics(m), plan);
        IntVar o = rp.getObjective();
        if (o != null) {
            st.setObjective(solution.getIntVal(o));
        }
        stats.addSolution(st);
        params.solutionListeners().forEach(c -> c.accept(rp, plan));
    });
    setVerbosity();
    // The actual solving process
    rp.solve(params.getTimeLimit(), params.doOptimize());
    return getStatistics();
}
Also used : LifeCycleViolationException(org.btrplace.scheduler.choco.LifeCycleViolationException) ChocoView(org.btrplace.scheduler.choco.view.ChocoView) Ready(org.btrplace.model.constraint.Ready) MeasuresRecorder(org.chocosolver.solver.search.measure.MeasuresRecorder) SchedulerException(org.btrplace.scheduler.SchedulerException) Node(org.btrplace.model.Node) OptConstraint(org.btrplace.model.constraint.OptConstraint) ContradictionException(org.chocosolver.solver.exception.ContradictionException) Callable(java.util.concurrent.Callable) SolvingStatistics(org.btrplace.scheduler.choco.runner.SolvingStatistics) CObjective(org.btrplace.scheduler.choco.constraint.CObjective) ReconfigurationPlan(org.btrplace.plan.ReconfigurationPlan) DefaultReconfigurationProblemBuilder(org.btrplace.scheduler.choco.DefaultReconfigurationProblemBuilder) ArrayList(java.util.ArrayList) HashSet(java.util.HashSet) VM(org.btrplace.model.VM) Running(org.btrplace.model.constraint.Running) SchedulerModelingException(org.btrplace.scheduler.SchedulerModelingException) Measures(org.chocosolver.solver.search.measure.Measures) ReconfigurationProblem(org.btrplace.scheduler.choco.ReconfigurationProblem) IMonitorSolution(org.chocosolver.solver.search.loop.monitors.IMonitorSolution) SearchState(org.chocosolver.solver.search.SearchState) ChocoMapper(org.btrplace.scheduler.choco.constraint.ChocoMapper) SatConstraint(org.btrplace.model.constraint.SatConstraint) Model(org.btrplace.model.Model) Sleeping(org.btrplace.model.constraint.Sleeping) Constraint(org.btrplace.model.constraint.Constraint) Collection(java.util.Collection) SolutionStatistics(org.btrplace.scheduler.choco.runner.SolutionStatistics) Set(java.util.Set) ChocoConstraint(org.btrplace.scheduler.choco.constraint.ChocoConstraint) Cause(org.chocosolver.solver.Cause) Parameters(org.btrplace.scheduler.choco.Parameters) IntVar(org.chocosolver.solver.variables.IntVar) List(java.util.List) Killed(org.btrplace.model.constraint.Killed) Metrics(org.btrplace.scheduler.choco.runner.Metrics) ChocoViews(org.btrplace.scheduler.choco.view.ChocoViews) Solution(org.chocosolver.solver.Solution) Optional(java.util.Optional) Instance(org.btrplace.model.Instance) Metrics(org.btrplace.scheduler.choco.runner.Metrics) LifeCycleViolationException(org.btrplace.scheduler.choco.LifeCycleViolationException) ReconfigurationPlan(org.btrplace.plan.ReconfigurationPlan) SolutionStatistics(org.btrplace.scheduler.choco.runner.SolutionStatistics) IntVar(org.chocosolver.solver.variables.IntVar) IMonitorSolution(org.chocosolver.solver.search.loop.monitors.IMonitorSolution) Solution(org.chocosolver.solver.Solution) MeasuresRecorder(org.chocosolver.solver.search.measure.MeasuresRecorder)

Aggregations

Metrics (org.btrplace.scheduler.choco.runner.Metrics)2 Measures (org.chocosolver.solver.search.measure.Measures)2 ArrayList (java.util.ArrayList)1 Collection (java.util.Collection)1 HashSet (java.util.HashSet)1 List (java.util.List)1 Optional (java.util.Optional)1 Set (java.util.Set)1 Callable (java.util.concurrent.Callable)1 Instance (org.btrplace.model.Instance)1 Model (org.btrplace.model.Model)1 Node (org.btrplace.model.Node)1 VM (org.btrplace.model.VM)1 Constraint (org.btrplace.model.constraint.Constraint)1 Killed (org.btrplace.model.constraint.Killed)1 OptConstraint (org.btrplace.model.constraint.OptConstraint)1 Ready (org.btrplace.model.constraint.Ready)1 Running (org.btrplace.model.constraint.Running)1 SatConstraint (org.btrplace.model.constraint.SatConstraint)1 Sleeping (org.btrplace.model.constraint.Sleeping)1