Package net.imglib2.util

Class BenchmarkHelper

  • public class BenchmarkHelper
extends java.lang.Object
    Tools for setting up basic benchmarks. Call benchmark(int, Runnable) with the number of iterations and a Runnable to benchmark to obtain a list of run-times in milliseconds.

    • Constructor Summary

      Constructors 
      Constructor Description
      BenchmarkHelper()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.util.ArrayList<java.lang.Long> benchmark​(int numRuns, java.lang.Runnable benchmark)
      Run a benchmark numRuns times and record the milliseconds taken for each run.
      static void benchmarkAndPrint​(int numRuns, boolean printIndividualTimes, java.lang.Runnable b)
      Run a benchmark numRuns times and print the results to System.out .
      private static long median​(java.util.ArrayList<java.lang.Long> values)
      Compute median of a sorted list of Longs.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • BenchmarkHelper

        public BenchmarkHelper()

    • Method Detail

      • benchmark

        public static java.util.ArrayList<java.lang.Long> benchmark​(int numRuns,
                                                            java.lang.Runnable benchmark)
        Run a benchmark numRuns times and record the milliseconds taken for each run.
        Parameters:
        numRuns - how many times to run the benchmark.
        benchmark - the benchmark.
        Returns:
        run-times for each run (in milliseconds).

      • benchmarkAndPrint

        public static void benchmarkAndPrint​(int numRuns,
                                     boolean printIndividualTimes,
                                     java.lang.Runnable b)
        Run a benchmark numRuns times and print the results to System.out .
        Parameters:
        numRuns - how many times to run the benchmark.
        printIndividualTimes - whether to print the time for every individual run or just the median.
        b - the benchmark.

      • median

        private static long median​(java.util.ArrayList<java.lang.Long> values)
        Compute median of a sorted list of Longs.
        Parameters:
        values - sorted list of values.
        Returns:
        median of the values.