Examples with Instance org.btrplace.model.Instance used on opensource projects

Example 1 with Instance

use of org.btrplace.model.Instance in project scheduler by btrplace.

the class KilledSplitterTest method simpleTest.

@Test
public void simpleTest() {
    KilledSplitter splitter = new KilledSplitter();
    List<Instance> instances = new ArrayList<>();
    Model m0 = new DefaultModel();
    VM v = m0.newVM(1);
    m0.getMapping().addReadyVM(v);
    m0.getMapping().addRunningVM(m0.newVM(2), m0.newNode(1));
    Model m1 = new DefaultModel();
    m1.getMapping().addReadyVM(m1.newVM(3));
    m1.getMapping().addSleepingVM(m1.newVM(4), m1.newNode(2));
    m1.getMapping().addRunningVM(m1.newVM(5), m1.newNode(3));
    instances.add(new Instance(m0, new ArrayList<>(), new MinMTTR()));
    instances.add(new Instance(m1, new ArrayList<>(), new MinMTTR()));
    TIntIntHashMap index = Instances.makeVMIndex(instances);
    Set<VM> all = new HashSet<>(m0.getMapping().getAllVMs());
    all.addAll(m1.getMapping().getAllVMs());
    // Only VMs in m0
    Killed single = new Killed(v);
    Assert.assertTrue(splitter.split(single, null, instances, index, new TIntIntHashMap()));
    Assert.assertTrue(instances.get(0).getSatConstraints().contains(single));
    Assert.assertFalse(instances.get(1).getSatConstraints().contains(single));
}

Example 2 with Instance

use of org.btrplace.model.Instance in project scheduler by btrplace.

the class MaxOnlineSplitterTest method testSplit.

@Test
public void testSplit() throws SchedulerException {
    MaxOnlineSplitter splitter = new MaxOnlineSplitter();
    Model mo = new DefaultModel();
    Node[] ns = new Node[10];
    for (int i = 0; i < ns.length; i++) {
        Node n = mo.newNode();
        mo.getMapping().addOnlineNode(n);
        ns[i] = n;
    }
    FixedNodeSetsPartitioning cut = new FixedSizePartitioning(5);
    Instance origin = new Instance(mo, Collections.emptyList(), new MinMTTR());
    List<Instance> instances = cut.split(new DefaultParameters(), origin);
    TIntIntHashMap vmIndex = Instances.makeVMIndex(instances);
    TIntIntHashMap nodeIndex = Instances.makeNodeIndex(instances);
    MaxOnline m1 = new MaxOnline(new HashSet<>(Arrays.asList(ns[0], ns[1], ns[2], ns[3], ns[4])), 3);
    // This one is valid as m1 stay in the first partition
    Assert.assertTrue(splitter.split(m1, origin, instances, vmIndex, nodeIndex));
    boolean found = false;
    for (Instance i : instances) {
        if (i.getSatConstraints().contains(m1)) {
            if (found) {
                Assert.fail(m1 + " is already in a partition");
            }
            found = true;
        }
    }
    // Invalid, the constraint is over 2 partitions
    MaxOnline m2 = new MaxOnline(new HashSet<>(Arrays.asList(ns[0], ns[1], ns[5])), 3);
    Assert.assertFalse(splitter.split(m2, origin, instances, vmIndex, nodeIndex));
}

Example 3 with Instance

use of org.btrplace.model.Instance in project scheduler by btrplace.

the class OnlineSplitterTest method simpleTest.

@Test
public void simpleTest() {
    OnlineSplitter splitter = new OnlineSplitter();
    List<Instance> instances = new ArrayList<>();
    Model m0 = new DefaultModel();
    Node n = m0.newNode();
    m0.getMapping().addOnlineNode(n);
    m0.getMapping().addOnlineNode(m0.newNode(1));
    Model m1 = new DefaultModel();
    m1.getMapping().addOnlineNode(m1.newNode(2));
    m1.getMapping().addOnlineNode(m1.newNode(3));
    instances.add(new Instance(m0, new ArrayList<>(), new MinMTTR()));
    instances.add(new Instance(m1, new ArrayList<>(), new MinMTTR()));
    Set<Node> all = new HashSet<>(m0.getMapping().getAllNodes());
    all.addAll(m1.getMapping().getAllNodes());
    TIntIntHashMap nodeIndex = Instances.makeNodeIndex(instances);
    // Only nodes in m0
    Online oSimple = new Online(n);
    Assert.assertTrue(splitter.split(oSimple, null, instances, new TIntIntHashMap(), nodeIndex));
    Assert.assertTrue(instances.get(0).getSatConstraints().contains(oSimple));
    Assert.assertFalse(instances.get(1).getSatConstraints().contains(oSimple));
}

Example 4 with Instance

use of org.btrplace.model.Instance in project scheduler by btrplace.

the class OverbookSplitterTest method simpleTest.

@Test
public void simpleTest() {
    OverbookSplitter splitter = new OverbookSplitter();
    List<Instance> instances = new ArrayList<>();
    Model m0 = new DefaultModel();
    Node n = m0.newNode(0);
    m0.getMapping().addOnlineNode(n);
    m0.getMapping().addOnlineNode(m0.newNode(1));
    Model m1 = new DefaultModel();
    m1.getMapping().addOnlineNode(m1.newNode(2));
    m1.getMapping().addOnlineNode(m1.newNode(3));
    instances.add(new Instance(m0, new ArrayList<>(), new MinMTTR()));
    instances.add(new Instance(m1, new ArrayList<>(), new MinMTTR()));
    Set<Node> all = new HashSet<>(m0.getMapping().getAllNodes());
    all.addAll(m1.getMapping().getAllNodes());
    TIntIntHashMap nodeIndex = Instances.makeNodeIndex(instances);
    // Only nodes in m0
    Overbook oSimple = new Overbook(n, "cpu", 2);
    Assert.assertTrue(splitter.split(oSimple, null, instances, new TIntIntHashMap(), nodeIndex));
    Assert.assertTrue(instances.get(0).getSatConstraints().contains(oSimple));
    Assert.assertFalse(instances.get(1).getSatConstraints().contains(oSimple));
}

Example 5 with Instance

use of org.btrplace.model.Instance 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();
}