59 lines
1.5 KiB
Java
59 lines
1.5 KiB
Java
package com.baeldung;
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import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
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import it.unimi.dsi.fastutil.ints.IntSet;
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import org.openjdk.jmh.annotations.*;
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import org.openjdk.jmh.infra.Blackhole;
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import org.openjdk.jmh.runner.Runner;
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import org.openjdk.jmh.runner.RunnerException;
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import org.openjdk.jmh.runner.options.Options;
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import org.openjdk.jmh.runner.options.OptionsBuilder;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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@BenchmarkMode(Mode.AverageTime)
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@OutputTimeUnit(TimeUnit.MICROSECONDS)
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@State(Scope.Benchmark)
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public class FastUtilTypeSpecificBenchmarkUnitTest {
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@Param({"100", "1000", "10000", "100000"})
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public int setSize;
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@Benchmark
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public IntSet givenFastUtilsIntSetWithInitialSizeSet_whenPopulated_checkTimeTaken() {
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IntSet intSet = new IntOpenHashSet(setSize);
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for(int i = 0; i < setSize; i++){
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intSet.add(i);
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}
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return intSet;
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}
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@Benchmark
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public Set<Integer> givenCollectionsHashSetWithInitialSizeSet_whenPopulated_checkTimeTaken() {
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Set<Integer> intSet = new HashSet<Integer>(setSize);
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for(int i = 0; i < setSize; i++){
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intSet.add(i);
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}
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return intSet;
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}
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public static void main(String... args) throws RunnerException {
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Options opts = new OptionsBuilder()
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.include(".*")
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.warmupIterations(1)
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.measurementIterations(2)
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.jvmArgs("-Xms2g", "-Xmx2g")
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.shouldDoGC(true)
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.forks(1)
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.build();
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new Runner(opts).run();
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}
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}
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