Java tutorial
/********************************************************* Copyright or or Copr. IETR/INSA: Matthieu Wipliez, Jonathan Piat, Maxime Pelcat, Jean-Franois Nezan, Mickal Raulet [mwipliez,jpiat,mpelcat,jnezan,mraulet]@insa-rennes.fr This software is a computer program whose purpose is to prototype parallel applications. This software is governed by the CeCILL-C license under French law and abiding by the rules of distribution of free software. You can use, modify and/ or redistribute the software under the terms of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following URL "http://www.cecill.info". As a counterpart to the access to the source code and rights to copy, modify and redistribute granted by the license, users are provided only with a limited warranty and the software's author, the holder of the economic rights, and the successive licensors have only limited liability. In this respect, the user's attention is drawn to the risks associated with loading, using, modifying and/or developing or reproducing the software by the user in light of its specific status of free software, that may mean that it is complicated to manipulate, and that also therefore means that it is reserved for developers and experienced professionals having in-depth computer knowledge. Users are therefore encouraged to load and test the software's suitability as regards their requirements in conditions enabling the security of their systems and/or data to be ensured and, more generally, to use and operate it in the same conditions as regards security. The fact that you are presently reading this means that you have had knowledge of the CeCILL-C license and that you accept its terms. *********************************************************/ package org.ietr.preesm.mapper.ui.stats; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Frame; import java.awt.event.WindowEvent; import javax.swing.BorderFactory; import javax.swing.JPanel; import org.eclipse.swt.SWT; import org.eclipse.swt.awt.SWT_AWT; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.widgets.Composite; import org.ietr.preesm.mapper.ui.MouseClickedListener; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.CombinedDomainXYPlot; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYSplineRenderer; import org.jfree.data.xy.DefaultXYDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; /** * Plots the performance of a given implementation and compares it to the * maximum possible speed ups * * @author mpelcat */ public class PerformancePlotter extends ApplicationFrame { /** * */ private static final long serialVersionUID = 1L; /** * The data set containing the speedups */ private DefaultXYDataset speedups; /** * Display panel */ private ChartPanel chartPanel = null; /** * Constructs a new demonstration application. * * @param title * the frame title. */ public PerformancePlotter(final String title) { super(title); JFreeChart chart = createChart(title); final JPanel content = new JPanel(new BorderLayout()); chartPanel = new ChartPanel(chart); content.add(chartPanel); chartPanel.setPreferredSize(new java.awt.Dimension(500, 470)); chartPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5)); setContentPane(content); } /** * Creates a chart in order to plot the speed-ups. * * @return A chart. */ private JFreeChart createChart(String title) { // Creating display domain NumberAxis horizontalAxis = new NumberAxis("Number of operators"); final CombinedDomainXYPlot plot = new CombinedDomainXYPlot(horizontalAxis); // Creating the best speedups subplot this.speedups = new DefaultXYDataset(); final NumberAxis xAxis = new NumberAxis("speedups"); xAxis.setAutoRangeIncludesZero(false); XYSplineRenderer renderer = new XYSplineRenderer(); final XYPlot subplot = new XYPlot(this.speedups, null, xAxis, renderer); subplot.setBackgroundPaint(Color.white); subplot.setDomainGridlinePaint(Color.lightGray); subplot.setRangeGridlinePaint(Color.lightGray); plot.add(subplot); plot.setForegroundAlpha(0.5f); final JFreeChart chart = new JFreeChart(title, plot); chart.setBorderPaint(Color.white); chart.setBorderVisible(true); chart.setBackgroundPaint(Color.white); plot.setBackgroundPaint(Color.white); plot.setDomainGridlinePaint(Color.white); plot.setRangeGridlinePaint(Color.white); final ValueAxis axis = plot.getDomainAxis(); axis.setAutoRange(true); return chart; } /** * Creates the graph values for input data: * * @param workLength * sum of all the actor timings * @param spanLength * length of the longest path in the DAG * @param resultTime * latency of the current simulation * @param resultNbCores * number of cores for the current simulation * @param resultNbMainCores * number of cores with type main for the current simulation * */ public void setData(long workLength, long spanLength, long resultTime, int resultNbCores, int resultNbMainCores) { double absoluteBestSpeedup = ((double) workLength) / ((double) spanLength); int maxCoreNumber = (int) Math.ceil(absoluteBestSpeedup) + 10; // Creating point for current speedup double[][] currentSpeedup = new double[2][1]; currentSpeedup[0][0] = resultNbMainCores; currentSpeedup[1][0] = ((double) workLength) / ((double) resultTime); this.speedups.addSeries("Currently obtained speedup", currentSpeedup); // Creating curve for best speedups // The speedup is limited y the span length double[][] bestSpeedups = new double[2][maxCoreNumber]; for (int nbCores = 1; nbCores <= maxCoreNumber; nbCores++) { bestSpeedups[0][nbCores - 1] = nbCores; if (nbCores < absoluteBestSpeedup) { bestSpeedups[1][nbCores - 1] = nbCores; } else { bestSpeedups[1][nbCores - 1] = absoluteBestSpeedup; } } this.speedups.addSeries("Maximum achievable speedups", bestSpeedups); // Creating curve for best speedups // The speedup is limited y the span length double[][] reachableSpeedups = new double[2][maxCoreNumber]; for (int nbCores = 1; nbCores <= maxCoreNumber; nbCores++) { reachableSpeedups[0][nbCores - 1] = nbCores; reachableSpeedups[1][nbCores - 1] = ((double) (workLength * nbCores)) / ((double) (spanLength * nbCores + workLength)); } this.speedups.addSeries("Greedy-Scheduling Theorem bound", reachableSpeedups); } @Override public void windowClosing(WindowEvent event) { if (event.equals(WindowEvent.WINDOW_CLOSING)) { } } public void display(Composite parentComposite) { Composite composite = new Composite(parentComposite, SWT.EMBEDDED | SWT.FILL); parentComposite.setLayout(new FillLayout()); Frame frame = SWT_AWT.new_Frame(composite); frame.add(this.getContentPane()); MouseClickedListener listener = new MouseClickedListener(frame); chartPanel.addChartMouseListener(listener); chartPanel.addMouseMotionListener(listener); chartPanel.addMouseListener(listener); } public void display() { this.pack(); RefineryUtilities.centerFrameOnScreen(this); this.setVisible(true); } }