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- Introduces PowerSpecFileExample after cloudsimplus/cloudsimplus#430 - Adds power consumption specification files to src/main/resources/power-specs - Refactor SwfWorkloadFormatExample1 and update docs - Update to CloudSim Plus 8.1.0 Signed-off-by: Manoel Campos <[email protected]>
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‎pom.xml‎

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The module version defines the version of CloudSim Plus to be used.
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This way, it cannot be a version number which doesn't exist for CloudSim Plus.
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-->
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<version>8.0.0</version>
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<version>8.1.0</version>
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<name>CloudSim Plus Examples</name>
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<description>

‎src/main/java/org/cloudsimplus/examples/power/PowerExample.java‎

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* @author Manoel Campos da Silva Filho
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* @since CloudSim Plus 1.2.4
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*
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* @see PowerSpecFileExample
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* @see VmsRamAndBwUsageExample
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* @see org.cloudsimplus.examples.resourceusage.VmsCpuUsageExample
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*/

‎src/main/java/org/cloudsimplus/examples/power/PowerSpecFileExample.java‎

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/*
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* CloudSim Plus: A modern, highly-extensible and easier-to-use Framework for
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* Modeling and Simulation of Cloud Computing Infrastructures and Services.
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* http://cloudsimplus.org
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*
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* Copyright (C) 2015-2021 Universidade da Beira Interior (UBI, Portugal) and
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* the Instituto Federal de Educação Ciência e Tecnologia do Tocantins (IFTO, Brazil).
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*
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* This file is part of CloudSim Plus.
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*
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* CloudSim Plus is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* CloudSim Plus is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CloudSim Plus. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.cloudsimplus.examples.power;
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import org.cloudsimplus.brokers.DatacenterBroker;
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import org.cloudsimplus.brokers.DatacenterBrokerSimple;
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import org.cloudsimplus.builders.tables.CloudletsTableBuilder;
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import org.cloudsimplus.cloudlets.Cloudlet;
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import org.cloudsimplus.cloudlets.CloudletSimple;
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import org.cloudsimplus.core.CloudSimPlus;
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import org.cloudsimplus.datacenters.Datacenter;
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import org.cloudsimplus.datacenters.DatacenterSimple;
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import org.cloudsimplus.hosts.Host;
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import org.cloudsimplus.hosts.HostSimple;
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import org.cloudsimplus.power.models.PowerModelHostSpec;
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import org.cloudsimplus.resources.Pe;
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import org.cloudsimplus.resources.PeSimple;
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import org.cloudsimplus.schedulers.vm.VmSchedulerTimeShared;
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import org.cloudsimplus.utilizationmodels.UtilizationModelDynamic;
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import org.cloudsimplus.utilizationmodels.UtilizationModelFull;
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import org.cloudsimplus.vms.HostResourceStats;
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import org.cloudsimplus.vms.Vm;
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import org.cloudsimplus.vms.VmSimple;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Comparator;
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import java.util.List;
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import static java.util.Comparator.comparingLong;
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/**
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* An example to show power consumption of Hosts
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* using the specifications from a file created based on
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* <a href="https://www.specs.org">www.specs.org</a> website public data.
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* Realize that for this goal, you define a {@link PowerModelHostSpec}
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* for each Host by calling {@code host.setPowerModel(powerModel)}.
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*
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* @author Manoel Campos da Silva Filho
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* @since CloudSim Plus 8.1.0
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*
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* @see #POWER_SPEC_FILE
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* @see #createPowerHost(int)
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* @see PowerExample
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*/
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public class PowerSpecFileExample {
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/**
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* Defines, between other things, the time intervals
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* to keep Hosts CPU utilization history records.
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*/
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private static final int SCHEDULING_INTERVAL = 10;
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private static final int HOSTS = 2;
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private static final int HOST_PES = 8;
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/** Indicates the time (in seconds) the Host takes to start up. */
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private static final double HOST_START_UP_DELAY = 5;
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/** Indicates the time (in seconds) the Host takes to shut down. */
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private static final double HOST_SHUT_DOWN_DELAY = 3;
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/** Indicates Host power consumption (in Watts) during startup. */
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private static final double HOST_START_UP_POWER = 5;
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/** Indicates Host power consumption (in Watts) during shutdown. */
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private static final double HOST_SHUT_DOWN_POWER = 3;
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private static final int VMS = 4;
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private static final int VM_PES = 4;
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private static final int CLOUDLETS = 8;
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private static final int CLOUDLET_PES = 2;
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private static final int CLOUDLET_LENGTH = 50000;
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/**
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* The path to the file containing host power utilization specs.
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*/
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private static final String POWER_SPEC_FILE = "power-specs/PowerModelSpecPowerHpProLiantMl110G3PentiumD930.txt";
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private final CloudSimPlus simulation;
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private final DatacenterBroker broker0;
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private List<Vm> vmList;
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private List<Cloudlet> cloudletList;
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private Datacenter datacenter0;
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private final List<Host> hostList;
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/**
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* Indicates how hosts consume power according to CPU utilization percentage
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* (based on data from a power spec file).
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* This attribute is used just to ensure the same data will be read just once
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* and used for all created Hosts.
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*/
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private final PowerModelHostSpec DEF_POWER_MODEL = PowerModelHostSpec.getInstance(POWER_SPEC_FILE);
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public static void main(String[] args) {
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new PowerSpecFileExample();
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}
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private PowerSpecFileExample() {
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/*Enables just some level of log messages.
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Make sure to import org.cloudsimplus.util.Log;*/
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//Log.setLevel(ch.qos.logback.classic.Level.WARN);
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simulation = new CloudSimPlus();
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hostList = new ArrayList<>(HOSTS);
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datacenter0 = createDatacenter();
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//Creates a broker that is a software acting on behalf of a cloud customer to manage his/her VMs and Cloudlets
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broker0 = new DatacenterBrokerSimple(simulation);
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vmList = createVms();
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cloudletList = createCloudlets();
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broker0.submitVmList(vmList);
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broker0.submitCloudletList(cloudletList);
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simulation.start();
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System.out.println("------------------------------- SIMULATION FOR SCHEDULING INTERVAL = " + SCHEDULING_INTERVAL+" -------------------------------");
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final var cloudletFinishedList = broker0.getCloudletFinishedList();
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final Comparator<Cloudlet> hostComparator = comparingLong(cl -> cl.getVm().getHost().getId());
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cloudletFinishedList.sort(hostComparator.thenComparing(cl -> cl.getVm().getId()));
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new CloudletsTableBuilder(cloudletFinishedList).build();
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printHostsCpuUtilizationAndPowerConsumption();
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}
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/**
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* The Host CPU Utilization History is only computed
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* if VMs utilization history is enabled by calling
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* {@code vm.getUtilizationHistory().enable()}.
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*/
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private void printHostsCpuUtilizationAndPowerConsumption() {
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System.out.println();
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for (final Host host : hostList) {
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printHostCpuUtilizationAndPowerConsumption(host);
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}
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System.out.println();
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}
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private void printHostCpuUtilizationAndPowerConsumption(final Host host) {
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final HostResourceStats cpuStats = host.getCpuUtilizationStats();
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//The total Host's CPU utilization for the time specified by the map key
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final double utilizationPercentMean = cpuStats.getMean();
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final double watts = host.getPowerModel().getPower(utilizationPercentMean);
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System.out.printf(
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"Host %2d CPU Usage mean: %6.1f%% | Power Consumption mean: %8.0f W%n",
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host.getId(), utilizationPercentMean * 100, watts);
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}
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/**
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* Creates a {@link Datacenter} and its {@link Host}s.
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*/
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private Datacenter createDatacenter() {
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for(int i = 0; i < HOSTS; i++) {
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final var host = createPowerHost(i);
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hostList.add(host);
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}
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final var dc = new DatacenterSimple(simulation, hostList);
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dc.setSchedulingInterval(SCHEDULING_INTERVAL);
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return dc;
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}
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private Host createPowerHost(final int id) {
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final var peList = new ArrayList<Pe>(HOST_PES);
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//List of Host's CPUs (Processing Elements, PEs)
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for (int i = 0; i < HOST_PES; i++) {
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peList.add(new PeSimple(1000));
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}
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final long ram = 2048; //in Megabytes
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final long bw = 10000; //in Megabits/s
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final long storage = 1000000; //in Megabytes
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final var vmScheduler = new VmSchedulerTimeShared();
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final var host = new HostSimple(ram, bw, storage, peList);
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final var powerModel = new PowerModelHostSpec(DEF_POWER_MODEL.getPowerSpecs());
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powerModel.setStartupDelay(HOST_START_UP_DELAY)
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.setShutDownDelay(HOST_SHUT_DOWN_DELAY)
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.setStartupPower(HOST_START_UP_POWER)
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.setShutDownPower(HOST_SHUT_DOWN_POWER);
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System.out.println(Arrays.toString(powerModel.getPowerSpecs()));
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host.setId(id)
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.setVmScheduler(vmScheduler)
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.setPowerModel(powerModel);
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host.enableUtilizationStats();
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return host;
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}
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/**
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* Creates a list of VMs.
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*/
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private List<Vm> createVms() {
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final var list = new ArrayList<Vm>(VMS);
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for (int i = 0; i < VMS; i++) {
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final var vm = new VmSimple(i, 1000, VM_PES);
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vm.setRam(512).setBw(1000).setSize(10000);
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list.add(vm);
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}
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return list;
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}
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/**
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* Creates a list of Cloudlets.
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*/
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private List<Cloudlet> createCloudlets() {
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final var cloudletList = new ArrayList<Cloudlet>(CLOUDLETS);
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final var utilization = new UtilizationModelDynamic(0.2);
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for (int i = 0; i < CLOUDLETS; i++) {
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//Sets half of the cloudlets with the defined length and the other half with the double of it
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final long length = i < CLOUDLETS / 2 ? CLOUDLET_LENGTH : CLOUDLET_LENGTH * 2;
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final var cloudlet =
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new CloudletSimple(i, length, CLOUDLET_PES)
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.setFileSize(1024)
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.setOutputSize(1024)
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.setUtilizationModelCpu(new UtilizationModelFull())
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.setUtilizationModelRam(utilization)
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.setUtilizationModelBw(utilization);
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cloudletList.add(cloudlet);
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}
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return cloudletList;
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}
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}

‎src/main/java/org/cloudsimplus/examples/traces/SwfWorkloadFormatExample1.java‎

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* at the developer machine and can <b>spend a long time to finish</b>,
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* the example allow to limit the maximum number of cloudlets to be submitted
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* to the DatacenterBroker.
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* See the {@link #maximumNumberOfCloudletsToCreateFromTheWorkloadFile} attribute for more details.
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* See the {@link #maxCloudletsToCreateFromWorkloadFile} attribute for more details.
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* </p>
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*
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* <p>
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/**
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* Defines the maximum number of cloudlets to be created
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* from the given workload file.
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* The value -1 indicates that every job inside the workload file
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* {@link Integer#MAX_VALUE} indicates that every job inside the workload file
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* will be created as one cloudlet.
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*/
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private int maximumNumberOfCloudletsToCreateFromTheWorkloadFile = -1;
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private int maxCloudletsToCreateFromWorkloadFile = Integer.MAX_VALUE;
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private final int HOST_PES = 12;
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final var cloudletFinishedList = broker.getCloudletFinishedList();
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new CloudletsTableBuilder(cloudletFinishedList).build();
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System.out.println(getClass().getSimpleName() + " finished!");
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System.out.printf("Simulation finished at %s. Execution time: %.2f seconds%n", LocalTime.now(), TimeUtil.elapsedSeconds(startSecs));
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} catch (Exception e) {
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System.out.printf("Error during simulation execution: %s%n", e.getMessage());
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*/
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private void createVms() {
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final double totalCloudletPes = cloudletList.stream().mapToDouble(Cloudlet::getPesNumber).sum();
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/* The number to multiple the VM_PES was chosen at random.
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/* The number to multiply the VM_PES was chosen at random.
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* It's used to reduce the number of VMs to create. */
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final int totalVms = (int)Math.ceil(totalCloudletPes / (VM_PES*6));
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private void createCloudletsFromWorkloadFile() {
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final var reader = SwfWorkloadFileReader.getInstance(WORKLOAD_FILENAME, VM_MIPS);
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reader.setMaxLinesToRead(maximumNumberOfCloudletsToCreateFromTheWorkloadFile);
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reader.setMaxLinesToRead(maxCloudletsToCreateFromWorkloadFile);
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this.cloudletList = reader.generateWorkload();
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System.out.printf("# Created %12d Cloudlets for %s%n", this.cloudletList.size(), broker);

‎src/main/resources/power-specs/PowerModelSpecPowerHpProLiantMl110G3PentiumD930.txt‎

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*
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* Title: CloudSim Toolkit
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* Description: CloudSim (Cloud Simulation) Toolkit for Modeling and Simulation of Clouds
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* Licence: GPL - http://www.gnu.org/copyleft/gpl.html
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*
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* Copyright (c) 2009-2012, The University of Melbourne, Australia
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*
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* The power model of an HP ProLiant ML110 G3 (1 x [Pentium D930 3000 MHz, 2 cores], 4GB).
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* https://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110127-00342.html

‎src/main/resources/power-specs/PowerModelSpecPowerHpProLiantMl110G4Xeon3040.txt‎

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*
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* Title: CloudSim Toolkit
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* Description: CloudSim (Cloud Simulation) Toolkit for Modeling and Simulation of Clouds
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* Licence: GPL - http://www.gnu.org/copyleft/gpl.html
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*
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* Copyright (c) 2009-2012, The University of Melbourne, Australia
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*
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* The power model of an HP ProLiant ML110 G4 (1 x [Xeon 3040 1860 MHz, 2 cores], 4GB).
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* https://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110127-00342.html

‎src/main/resources/power-specs/PowerModelSpecPowerHpProLiantMl110G5Xeon3075.txt‎

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*
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* Title: CloudSim Toolkit
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* Description: CloudSim (Cloud Simulation) Toolkit for Modeling and Simulation of Clouds
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* Licence: GPL - http://www.gnu.org/copyleft/gpl.html
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*
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* Copyright (c) 2009-2012, The University of Melbourne, Australia
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*
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* The power model of an HP ProLiant ML110 G5 (1 x [Xeon 3075 2660 MHz, 2 cores], 4GB).
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* https://www.spec.org/power_ssj2008/results/res2011q1/power_ssj2008-20110124-00339.html

‎src/main/resources/power-specs/PowerModelSpecPowerIbmX3250XeonX3470.txt‎

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*
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* Title: CloudSim Toolkit
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* Description: CloudSim (Cloud Simulation) Toolkit for Modeling and Simulation of Clouds
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* Licence: GPL - http://www.gnu.org/copyleft/gpl.html
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*
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* Copyright (c) 2009-2012, The University of Melbourne, Australia
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*
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* The power model of an IBM server x3250 (1 x [Xeon X3470 2933 MHz, 4 cores], 8GB).
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* https://www.spec.org/power_ssj2008/results/res2009q4/power_ssj2008-20091104-00213.html

‎src/main/resources/power-specs/PowerModelSpecPowerIbmX3250XeonX3480.txt‎

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*
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* Title: CloudSim Toolkit
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* Description: CloudSim (Cloud Simulation) Toolkit for Modeling and Simulation of Clouds
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* Licence: GPL - http://www.gnu.org/copyleft/gpl.html
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*
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* Copyright (c) 2009-2012, The University of Melbourne, Australia
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*
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* The power model of an IBM server x3250 (1 x [Xeon X3480 3067 MHz, 4 cores], 8GB).
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* https://www.spec.org/power_ssj2008/results/res2010q4/power_ssj2008-20101001-00297.html

‎src/main/resources/power-specs/PowerModelSpecPowerIbmX3550XeonX5670.txt‎

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*
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* Title: CloudSim Toolkit
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* Description: CloudSim (Cloud Simulation) Toolkit for Modeling and Simulation of Clouds
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* Licence: GPL - http://www.gnu.org/copyleft/gpl.html
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*
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* Copyright (c) 2009-2012, The University of Melbourne, Australia
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*
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* The power model of an IBM server x3550 (2 x [Xeon X5670 2933 MHz, 6 cores], 12GB).
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* https://www.spec.org/power_ssj2008/results/res2010q2/power_ssj2008-20100315-00239.html

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