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- Moves VmCost from testbeds module to cloudsim-plus module, inside t…
…he vms package. - Changes order of parameters in ResourceLoader methods for consistence. - Refactors CloudletTaskCompletionTimeMinimization experiments to remove code duplication. Signed-off-by: Manoel Campos <manoelcampos@gmail.com>
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140 changes: 140 additions & 0 deletions
140
...simplus/testbeds/sla/taskcompletiontime/AbstractCloudletTaskCompletionTimeExperiment.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,140 @@ | ||
| package org.cloudsimplus.testbeds.sla.taskcompletiontime; | ||
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| import org.apache.commons.math3.stat.descriptive.SummaryStatistics; | ||
| import org.cloudbus.cloudsim.brokers.DatacenterBroker; | ||
| import org.cloudbus.cloudsim.brokers.DatacenterBrokerSimple; | ||
| import org.cloudbus.cloudsim.cloudlets.Cloudlet; | ||
| import org.cloudbus.cloudsim.core.Machine; | ||
| import org.cloudbus.cloudsim.hosts.Host; | ||
| import org.cloudbus.cloudsim.hosts.HostSimple; | ||
| import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple; | ||
| import org.cloudbus.cloudsim.provisioners.ResourceProvisionerSimple; | ||
| import org.cloudbus.cloudsim.resources.Pe; | ||
| import org.cloudbus.cloudsim.resources.PeSimple; | ||
| import org.cloudbus.cloudsim.schedulers.vm.VmSchedulerTimeShared; | ||
| import org.cloudbus.cloudsim.vms.Vm; | ||
| import org.cloudsimplus.builders.tables.CloudletsTableBuilder; | ||
| import org.cloudsimplus.testbeds.ExperimentRunner; | ||
| import org.cloudsimplus.testbeds.SimulationExperiment; | ||
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| import java.util.ArrayList; | ||
| import java.util.Comparator; | ||
| import java.util.List; | ||
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| import static java.util.Comparator.comparingDouble; | ||
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| public abstract class AbstractCloudletTaskCompletionTimeExperiment extends SimulationExperiment { | ||
| private static final int HOST_PES = 32; | ||
| private int hostsNumber; | ||
| private int vmsNumber; | ||
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| protected AbstractCloudletTaskCompletionTimeExperiment(final int index, final ExperimentRunner runner, final long seed) { | ||
| super(index, runner, seed); | ||
| } | ||
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| protected DatacenterBroker getFirstBroker() { | ||
| return getBrokerList().stream().findFirst().orElse(DatacenterBroker.NULL); | ||
| } | ||
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| protected final void printBrokerFinishedCloudlets(final DatacenterBroker broker) { | ||
| final List<Cloudlet> finishedCloudlets = broker.getCloudletFinishedList(); | ||
| final Comparator<Cloudlet> sortByVmId = comparingDouble(c -> c.getVm().getId()); | ||
| final Comparator<Cloudlet> sortByStartTime = comparingDouble(Cloudlet::getExecStartTime); | ||
| finishedCloudlets.sort(sortByVmId.thenComparing(sortByStartTime)); | ||
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| new CloudletsTableBuilder(finishedCloudlets).build(); | ||
| } | ||
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| /** | ||
| * Gets the total number of vPEs (VM PEs) across all existing VMs. | ||
| * @return | ||
| */ | ||
| protected final double getSumPesVms() { | ||
| return getVmList().stream() | ||
| .mapToDouble(Machine::getNumberOfPes) | ||
| .sum(); | ||
| } | ||
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| protected final double getSumPesCloudlets() { | ||
| return getCloudletList().stream() | ||
| .mapToDouble(Cloudlet::getNumberOfPes) | ||
| .sum(); | ||
| } | ||
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| /** | ||
| * Shows the average wait time of all cloudlets | ||
| * | ||
| * @param cloudletList list of cloudlets | ||
| */ | ||
| protected final void waitTimeAverage(final List<Cloudlet> cloudletList) { | ||
| final double averageWaitTime = cloudletList.stream().mapToDouble(Cloudlet::getWaitingTime).average().orElse(0); | ||
| System.out.println("\n# The wait time is: " + averageWaitTime); | ||
| } | ||
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| /** | ||
| * Computes the Task Completion Time average for all finished Cloudlets on this | ||
| * experiment. | ||
| * | ||
| * @return the Task Completion Time average | ||
| */ | ||
| protected double getTaskCompletionTimeAverage() { | ||
| final SummaryStatistics cloudletTaskCompletionTime = new SummaryStatistics(); | ||
| final DatacenterBroker broker = getBrokerList().stream() | ||
| .findFirst() | ||
| .orElse(DatacenterBroker.NULL); | ||
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| broker.getCloudletFinishedList().stream() | ||
| .map(c -> c.getFinishTime() - c.getLastDatacenterArrivalTime()) | ||
| .forEach(cloudletTaskCompletionTime::addValue); | ||
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| return cloudletTaskCompletionTime.getMean(); | ||
| } | ||
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| @Override | ||
| protected final List<Vm> createVms(final DatacenterBroker broker) { | ||
| List<Vm> vmList = new ArrayList<>(vmsNumber); | ||
| for (int i = 0; i < vmsNumber; i++) { | ||
| Vm vm = createVm(); | ||
| vmList.add(vm); | ||
| } | ||
| return vmList; | ||
| } | ||
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| @Override | ||
| protected final List<Host> createHosts() { | ||
| final List<Host> hostList = new ArrayList<>(hostsNumber); | ||
| for (int i = 0; i < hostsNumber; i++) { | ||
| hostList.add(createHost()); | ||
| } | ||
| return hostList; | ||
| } | ||
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| @Override | ||
| protected final DatacenterBroker createBroker() { | ||
| return new DatacenterBrokerSimple(getCloudSim()); | ||
| } | ||
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| protected final Host createHost() { | ||
| final List<Pe> pesList = new ArrayList<>(HOST_PES); | ||
| for (int i = 0; i < HOST_PES; i++) { | ||
| pesList.add(new PeSimple(100000, new PeProvisionerSimple())); | ||
| } | ||
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| final Host h = new HostSimple(40960, 10000000, 10000000, pesList) | ||
| .setRamProvisioner(new ResourceProvisionerSimple()) | ||
| .setBwProvisioner(new ResourceProvisionerSimple()) | ||
| .setVmScheduler(new VmSchedulerTimeShared()); | ||
| return h; | ||
| } | ||
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| protected abstract Vm createVm(); | ||
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| protected final void setHostsNumber(final int hostsNumber) { | ||
| this.hostsNumber = hostsNumber; | ||
| } | ||
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| protected final void setVmsNumber(final int vmsNumber) { | ||
| this.vmsNumber = vmsNumber; | ||
| } | ||
| } |
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