Пример #1
0
 /** Print a table of metrics for the given data. */
 private static void printData(Data data) {
   System.out.println("n\tK\tT\tSpdup\tEffic\tEDSF");
   System.out.println(
       data.n
           + "\t"
           + FMT_0.format(data.K_series.x(0))
           + "\t"
           + FMT_0.format(data.T_series.x(0))
           + "\t"
           + FMT_3.format(data.Speedup_series.x(0))
           + "\t"
           + FMT_3.format(data.Eff_series.x(0)));
   for (int i = 1; i < data.K_series.length(); ++i) {
     System.out.println(
         data.n
             + "\t"
             + FMT_0.format(data.K_series.x(i))
             + "\t"
             + FMT_0.format(data.T_series.x(i))
             + "\t"
             + FMT_3.format(data.Speedup_series.x(i))
             + "\t"
             + FMT_3.format(data.Eff_series.x(i))
             + "\t"
             + FMT_3.format(data.EDSF_series_2.x(i - 1)));
   }
 }
Пример #2
0
 /** Plot the given data. */
 private static void plotData(Data data, String label) {
   int len = data.K_series.length();
   T_plot.xySeries(new AggregateXYSeries(data.K_series, data.T_series))
       .label(label, data.K_series.x(len - 1), data.T_series.x(len - 1));
   Speedup_plot.xySeries(new AggregateXYSeries(data.K_series, data.Speedup_series))
       .label(label, data.K_series.x(len - 1), data.Speedup_series.x(len - 1));
   Eff_plot.xySeries(new AggregateXYSeries(data.K_series, data.Eff_series))
       .label(label, data.K_series.x(len - 1), data.Eff_series.x(len - 1));
   EDSF_plot.xySeries(new AggregateXYSeries(data.K_series_2, data.EDSF_series_2))
       .label(label, data.K_series_2.x(len - 2), data.EDSF_series_2.x(len - 2));
 }
Пример #3
0
  /** Parse the given line of input. */
  private static void parseLine(String line, int linenum) {
    Scanner scanner = new Scanner(line);
    if (scanner.hasNextInt()) {
      // A running time data line. Parse contents.
      int n = scanner.nextInt();
      if (!scanner.hasNextInt()) error("K invalid", linenum);
      int K = scanner.nextInt();
      if (K < 0) error("K < 0", linenum);
      if (K == 0) return; // Ignore T_seq
      K_max = Math.max(K_max, K);
      double T_min = Double.POSITIVE_INFINITY;
      double T_max = Double.NEGATIVE_INFINITY;
      while (scanner.hasNextLong()) {
        double T = (double) scanner.nextLong();
        if (T <= 0.0) error("T invalid", linenum);
        T_min = Math.min(T_min, T);
        T_max = Math.max(T_max, T);
      }
      if (T_min == Double.POSITIVE_INFINITY) {
        error("T values missing", linenum);
      }

      // Record data.
      Data data = getData(n);
      if (K == 0) {
        data.T_seq = T_min;
        data.T_max_seq = T_max;
        data.Dev_seq = (T_max - T_min) / T_min;
      } else if (K == 1) {
        double Speedup = data.T_seq == 0.0 ? 1.0 : data.T_seq / T_min;
        double Eff = Speedup;
        double Dev = (T_max - T_min) / T_min;
        data.T_par_1 = T_min;
        data.K_series.add(K);
        data.T_series.add(T_min);
        data.T_max_series.add(T_max);
        data.Speedup_series.add(Speedup);
        data.Eff_series.add(Eff);
        data.Dev_series.add(Dev);
      } else {
        double Speedup = data.T_seq == 0.0 ? data.T_par_1 / T_min : data.T_seq / T_min;
        double Eff = Speedup / K;
        double Dev = (T_max - T_min) / T_min;
        double EDSF = (K * T_min - data.T_par_1) / data.T_par_1 / (K - 1);
        data.K_series.add(K);
        data.T_series.add(T_min);
        data.T_max_series.add(T_max);
        data.Speedup_series.add(Speedup);
        data.Eff_series.add(Eff);
        data.Dev_series.add(Dev);
        data.K_series_2.add(K);
        data.EDSF_series_2.add(EDSF);
      }
    } else {
      // A problem size specification line or plot specification line.
      String keyword = scanner.next();
      if (keyword.equals("n")) {
        // A problem size specification line. Parse contents.
        if (!scanner.hasNextInt()) error("Missing n value", linenum);
        int n = scanner.nextInt();
        if (!scanner.hasNextDouble()) error("Missing N value", linenum);
        double N = scanner.nextDouble();
        String labelText = scanner.findInLine(QUOTED_STRING_PATTERN);
        if (labelText == null) error("Missing quoted label text", linenum);
        labelText = labelText.substring(1, labelText.length() - 1);

        // Record contents.
        Data data = getData(n);
        data.N = N;
        data.labelText = labelText;
      } else if (keyword.equals("time")) {
        parsePlotSpecification(T_plot, scanner, linenum);
      } else if (keyword.equals("speedup")) {
        parsePlotSpecification(Speedup_plot, scanner, linenum);
      } else if (keyword.equals("eff")) {
        parsePlotSpecification(Eff_plot, scanner, linenum);
      } else if (keyword.equals("edsf")) {
        parsePlotSpecification(EDSF_plot, scanner, linenum);
      } else {
        error("Unknown command", linenum);
      }
    }
  }